#include "cache.h"
+#include "object-store.h"
#include "tag.h"
#include "blob.h"
#include "tree.h"
#include "diff.h"
#include "refs.h"
#include "revision.h"
+#include "repository.h"
#include "graph.h"
#include "grep.h"
#include "reflog-walk.h"
#include "decorate.h"
#include "log-tree.h"
#include "string-list.h"
+#include "line-log.h"
+#include "mailmap.h"
+#include "commit-slab.h"
+#include "dir.h"
+#include "cache-tree.h"
+#include "bisect.h"
+#include "packfile.h"
+#include "worktree.h"
+#include "strvec.h"
+#include "commit-reach.h"
+#include "commit-graph.h"
+#include "prio-queue.h"
+#include "hashmap.h"
+#include "utf8.h"
+#include "bloom.h"
+#include "json-writer.h"
volatile show_early_output_fn_t show_early_output;
-char *path_name(const struct name_path *path, const char *name)
-{
- const struct name_path *p;
- char *n, *m;
- int nlen = strlen(name);
- int len = nlen + 1;
-
- for (p = path; p; p = p->up) {
- if (p->elem_len)
- len += p->elem_len + 1;
- }
- n = xmalloc(len);
- m = n + len - (nlen + 1);
- strcpy(m, name);
- for (p = path; p; p = p->up) {
- if (p->elem_len) {
- m -= p->elem_len + 1;
- memcpy(m, p->elem, p->elem_len);
- m[p->elem_len] = '/';
- }
- }
- return n;
-}
+static const char *term_bad;
+static const char *term_good;
-static int show_path_component_truncated(FILE *out, const char *name, int len)
-{
- int cnt;
- for (cnt = 0; cnt < len; cnt++) {
- int ch = name[cnt];
- if (!ch || ch == '\n')
- return -1;
- fputc(ch, out);
- }
- return len;
-}
+implement_shared_commit_slab(revision_sources, char *);
-static int show_path_truncated(FILE *out, const struct name_path *path)
+static inline int want_ancestry(const struct rev_info *revs);
+
+void show_object_with_name(FILE *out, struct object *obj, const char *name)
{
- int emitted, ours;
+ const char *p;
- if (!path)
- return 0;
- emitted = show_path_truncated(out, path->up);
- if (emitted < 0)
- return emitted;
- if (emitted)
- fputc('/', out);
- ours = show_path_component_truncated(out, path->elem, path->elem_len);
- if (ours < 0)
- return ours;
- return ours || emitted;
-}
-
-void show_object_with_name(FILE *out, struct object *obj, const struct name_path *path, const char *component)
-{
- struct name_path leaf;
- leaf.up = (struct name_path *)path;
- leaf.elem = component;
- leaf.elem_len = strlen(component);
-
- fprintf(out, "%s ", sha1_to_hex(obj->sha1));
- show_path_truncated(out, &leaf);
+ fprintf(out, "%s ", oid_to_hex(&obj->oid));
+ for (p = name; *p && *p != '\n'; p++)
+ fputc(*p, out);
fputc('\n', out);
}
-void add_object(struct object *obj,
- struct object_array *p,
- struct name_path *path,
- const char *name)
-{
- add_object_array(obj, path_name(path, name), p);
-}
-
static void mark_blob_uninteresting(struct blob *blob)
{
if (!blob)
blob->object.flags |= UNINTERESTING;
}
-void mark_tree_uninteresting(struct tree *tree)
+static void mark_tree_contents_uninteresting(struct repository *r,
+ struct tree *tree)
{
struct tree_desc desc;
struct name_entry entry;
- struct object *obj = &tree->object;
- if (!tree)
- return;
- if (obj->flags & UNINTERESTING)
+ if (parse_tree_gently(tree, 1) < 0)
return;
- obj->flags |= UNINTERESTING;
- if (!has_sha1_file(obj->sha1))
- return;
- if (parse_tree(tree) < 0)
- die("bad tree %s", sha1_to_hex(obj->sha1));
init_tree_desc(&desc, tree->buffer, tree->size);
while (tree_entry(&desc, &entry)) {
switch (object_type(entry.mode)) {
case OBJ_TREE:
- mark_tree_uninteresting(lookup_tree(entry.sha1));
+ mark_tree_uninteresting(r, lookup_tree(r, &entry.oid));
break;
case OBJ_BLOB:
- mark_blob_uninteresting(lookup_blob(entry.sha1));
+ mark_blob_uninteresting(lookup_blob(r, &entry.oid));
break;
default:
/* Subproject commit - not in this repository */
* We don't care about the tree any more
* after it has been marked uninteresting.
*/
- free(tree->buffer);
- tree->buffer = NULL;
+ free_tree_buffer(tree);
}
-void mark_parents_uninteresting(struct commit *commit)
+void mark_tree_uninteresting(struct repository *r, struct tree *tree)
{
- struct commit_list *parents = NULL, *l;
+ struct object *obj;
- for (l = commit->parents; l; l = l->next)
- commit_list_insert(l->item, &parents);
+ if (!tree)
+ return;
- while (parents) {
- struct commit *commit = parents->item;
- l = parents;
- parents = parents->next;
- free(l);
+ obj = &tree->object;
+ if (obj->flags & UNINTERESTING)
+ return;
+ obj->flags |= UNINTERESTING;
+ mark_tree_contents_uninteresting(r, tree);
+}
- while (commit) {
- /*
- * A missing commit is ok iff its parent is marked
- * uninteresting.
- *
- * We just mark such a thing parsed, so that when
- * it is popped next time around, we won't be trying
- * to parse it and get an error.
- */
- if (!has_sha1_file(commit->object.sha1))
- commit->object.parsed = 1;
+struct path_and_oids_entry {
+ struct hashmap_entry ent;
+ char *path;
+ struct oidset trees;
+};
- if (commit->object.flags & UNINTERESTING)
- break;
+static int path_and_oids_cmp(const void *hashmap_cmp_fn_data,
+ const struct hashmap_entry *eptr,
+ const struct hashmap_entry *entry_or_key,
+ const void *keydata)
+{
+ const struct path_and_oids_entry *e1, *e2;
- commit->object.flags |= UNINTERESTING;
+ e1 = container_of(eptr, const struct path_and_oids_entry, ent);
+ e2 = container_of(entry_or_key, const struct path_and_oids_entry, ent);
- /*
- * Normally we haven't parsed the parent
- * yet, so we won't have a parent of a parent
- * here. However, it may turn out that we've
- * reached this commit some other way (where it
- * wasn't uninteresting), in which case we need
- * to mark its parents recursively too..
- */
- if (!commit->parents)
- break;
+ return strcmp(e1->path, e2->path);
+}
+
+static void paths_and_oids_clear(struct hashmap *map)
+{
+ struct hashmap_iter iter;
+ struct path_and_oids_entry *entry;
+
+ hashmap_for_each_entry(map, &iter, entry, ent /* member name */) {
+ oidset_clear(&entry->trees);
+ free(entry->path);
+ }
+
+ hashmap_clear_and_free(map, struct path_and_oids_entry, ent);
+}
+
+static void paths_and_oids_insert(struct hashmap *map,
+ const char *path,
+ const struct object_id *oid)
+{
+ int hash = strhash(path);
+ struct path_and_oids_entry key;
+ struct path_and_oids_entry *entry;
+
+ hashmap_entry_init(&key.ent, hash);
+
+ /* use a shallow copy for the lookup */
+ key.path = (char *)path;
+ oidset_init(&key.trees, 0);
+
+ entry = hashmap_get_entry(map, &key, ent, NULL);
+ if (!entry) {
+ entry = xcalloc(1, sizeof(struct path_and_oids_entry));
+ hashmap_entry_init(&entry->ent, hash);
+ entry->path = xstrdup(key.path);
+ oidset_init(&entry->trees, 16);
+ hashmap_put(map, &entry->ent);
+ }
+
+ oidset_insert(&entry->trees, oid);
+}
- for (l = commit->parents->next; l; l = l->next)
- commit_list_insert(l->item, &parents);
- commit = commit->parents->item;
+static void add_children_by_path(struct repository *r,
+ struct tree *tree,
+ struct hashmap *map)
+{
+ struct tree_desc desc;
+ struct name_entry entry;
+
+ if (!tree)
+ return;
+
+ if (parse_tree_gently(tree, 1) < 0)
+ return;
+
+ init_tree_desc(&desc, tree->buffer, tree->size);
+ while (tree_entry(&desc, &entry)) {
+ switch (object_type(entry.mode)) {
+ case OBJ_TREE:
+ paths_and_oids_insert(map, entry.path, &entry.oid);
+
+ if (tree->object.flags & UNINTERESTING) {
+ struct tree *child = lookup_tree(r, &entry.oid);
+ if (child)
+ child->object.flags |= UNINTERESTING;
+ }
+ break;
+ case OBJ_BLOB:
+ if (tree->object.flags & UNINTERESTING) {
+ struct blob *child = lookup_blob(r, &entry.oid);
+ if (child)
+ child->object.flags |= UNINTERESTING;
+ }
+ break;
+ default:
+ /* Subproject commit - not in this repository */
+ break;
}
}
+
+ free_tree_buffer(tree);
+}
+
+void mark_trees_uninteresting_sparse(struct repository *r,
+ struct oidset *trees)
+{
+ unsigned has_interesting = 0, has_uninteresting = 0;
+ struct hashmap map = HASHMAP_INIT(path_and_oids_cmp, NULL);
+ struct hashmap_iter map_iter;
+ struct path_and_oids_entry *entry;
+ struct object_id *oid;
+ struct oidset_iter iter;
+
+ oidset_iter_init(trees, &iter);
+ while ((!has_interesting || !has_uninteresting) &&
+ (oid = oidset_iter_next(&iter))) {
+ struct tree *tree = lookup_tree(r, oid);
+
+ if (!tree)
+ continue;
+
+ if (tree->object.flags & UNINTERESTING)
+ has_uninteresting = 1;
+ else
+ has_interesting = 1;
+ }
+
+ /* Do not walk unless we have both types of trees. */
+ if (!has_uninteresting || !has_interesting)
+ return;
+
+ oidset_iter_init(trees, &iter);
+ while ((oid = oidset_iter_next(&iter))) {
+ struct tree *tree = lookup_tree(r, oid);
+ add_children_by_path(r, tree, &map);
+ }
+
+ hashmap_for_each_entry(&map, &map_iter, entry, ent /* member name */)
+ mark_trees_uninteresting_sparse(r, &entry->trees);
+
+ paths_and_oids_clear(&map);
+}
+
+struct commit_stack {
+ struct commit **items;
+ size_t nr, alloc;
+};
+#define COMMIT_STACK_INIT { NULL, 0, 0 }
+
+static void commit_stack_push(struct commit_stack *stack, struct commit *commit)
+{
+ ALLOC_GROW(stack->items, stack->nr + 1, stack->alloc);
+ stack->items[stack->nr++] = commit;
+}
+
+static struct commit *commit_stack_pop(struct commit_stack *stack)
+{
+ return stack->nr ? stack->items[--stack->nr] : NULL;
+}
+
+static void commit_stack_clear(struct commit_stack *stack)
+{
+ FREE_AND_NULL(stack->items);
+ stack->nr = stack->alloc = 0;
+}
+
+static void mark_one_parent_uninteresting(struct commit *commit,
+ struct commit_stack *pending)
+{
+ struct commit_list *l;
+
+ if (commit->object.flags & UNINTERESTING)
+ return;
+ commit->object.flags |= UNINTERESTING;
+
+ /*
+ * Normally we haven't parsed the parent
+ * yet, so we won't have a parent of a parent
+ * here. However, it may turn out that we've
+ * reached this commit some other way (where it
+ * wasn't uninteresting), in which case we need
+ * to mark its parents recursively too..
+ */
+ for (l = commit->parents; l; l = l->next)
+ commit_stack_push(pending, l->item);
}
-static void add_pending_object_with_mode(struct rev_info *revs, struct object *obj, const char *name, unsigned mode)
+void mark_parents_uninteresting(struct commit *commit)
+{
+ struct commit_stack pending = COMMIT_STACK_INIT;
+ struct commit_list *l;
+
+ for (l = commit->parents; l; l = l->next)
+ mark_one_parent_uninteresting(l->item, &pending);
+
+ while (pending.nr > 0)
+ mark_one_parent_uninteresting(commit_stack_pop(&pending),
+ &pending);
+
+ commit_stack_clear(&pending);
+}
+
+static void add_pending_object_with_path(struct rev_info *revs,
+ struct object *obj,
+ const char *name, unsigned mode,
+ const char *path)
{
+ struct interpret_branch_name_options options = { 0 };
if (!obj)
return;
if (revs->no_walk && (obj->flags & UNINTERESTING))
revs->no_walk = 0;
if (revs->reflog_info && obj->type == OBJ_COMMIT) {
struct strbuf buf = STRBUF_INIT;
- int len = interpret_branch_name(name, &buf);
- int st;
+ int len = interpret_branch_name(name, 0, &buf, &options);
if (0 < len && name[len] && buf.len)
strbuf_addstr(&buf, name + len);
- st = add_reflog_for_walk(revs->reflog_info,
- (struct commit *)obj,
- buf.buf[0] ? buf.buf: name);
+ add_reflog_for_walk(revs->reflog_info,
+ (struct commit *)obj,
+ buf.buf[0] ? buf.buf: name);
strbuf_release(&buf);
- if (st)
- return;
+ return; /* do not add the commit itself */
}
- add_object_array_with_mode(obj, name, &revs->pending, mode);
+ add_object_array_with_path(obj, name, &revs->pending, mode, path);
+}
+
+static void add_pending_object_with_mode(struct rev_info *revs,
+ struct object *obj,
+ const char *name, unsigned mode)
+{
+ add_pending_object_with_path(revs, obj, name, mode, NULL);
}
-void add_pending_object(struct rev_info *revs, struct object *obj, const char *name)
+void add_pending_object(struct rev_info *revs,
+ struct object *obj, const char *name)
{
add_pending_object_with_mode(revs, obj, name, S_IFINVALID);
}
void add_head_to_pending(struct rev_info *revs)
{
- unsigned char sha1[20];
+ struct object_id oid;
struct object *obj;
- if (get_sha1("HEAD", sha1))
+ if (get_oid("HEAD", &oid))
return;
- obj = parse_object(sha1);
+ obj = parse_object(revs->repo, &oid);
if (!obj)
return;
add_pending_object(revs, obj, "HEAD");
}
-static struct object *get_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
+static struct object *get_reference(struct rev_info *revs, const char *name,
+ const struct object_id *oid,
+ unsigned int flags)
{
struct object *object;
- object = parse_object(sha1);
+ /*
+ * If the repository has commit graphs, repo_parse_commit() avoids
+ * reading the object buffer, so use it whenever possible.
+ */
+ if (oid_object_info(revs->repo, oid, NULL) == OBJ_COMMIT) {
+ struct commit *c = lookup_commit(revs->repo, oid);
+ if (!repo_parse_commit(revs->repo, c))
+ object = (struct object *) c;
+ else
+ object = NULL;
+ } else {
+ object = parse_object(revs->repo, oid);
+ }
+
if (!object) {
if (revs->ignore_missing)
return object;
+ if (revs->exclude_promisor_objects && is_promisor_object(oid))
+ return NULL;
die("bad object %s", name);
}
object->flags |= flags;
return object;
}
-void add_pending_sha1(struct rev_info *revs, const char *name,
- const unsigned char *sha1, unsigned int flags)
+void add_pending_oid(struct rev_info *revs, const char *name,
+ const struct object_id *oid, unsigned int flags)
{
- struct object *object = get_reference(revs, name, sha1, flags);
+ struct object *object = get_reference(revs, name, oid, flags);
add_pending_object(revs, object, name);
}
-static struct commit *handle_commit(struct rev_info *revs, struct object *object, const char *name)
+static struct commit *handle_commit(struct rev_info *revs,
+ struct object_array_entry *entry)
{
+ struct object *object = entry->item;
+ const char *name = entry->name;
+ const char *path = entry->path;
+ unsigned int mode = entry->mode;
unsigned long flags = object->flags;
/*
struct tag *tag = (struct tag *) object;
if (revs->tag_objects && !(flags & UNINTERESTING))
add_pending_object(revs, object, tag->tag);
- if (!tag->tagged)
- die("bad tag");
- object = parse_object(tag->tagged->sha1);
+ object = parse_object(revs->repo, get_tagged_oid(tag));
if (!object) {
- if (flags & UNINTERESTING)
+ if (revs->ignore_missing_links || (flags & UNINTERESTING))
return NULL;
- die("bad object %s", sha1_to_hex(tag->tagged->sha1));
+ if (revs->exclude_promisor_objects &&
+ is_promisor_object(&tag->tagged->oid))
+ return NULL;
+ die("bad object %s", oid_to_hex(&tag->tagged->oid));
}
+ object->flags |= flags;
+ /*
+ * We'll handle the tagged object by looping or dropping
+ * through to the non-tag handlers below. Do not
+ * propagate path data from the tag's pending entry.
+ */
+ path = NULL;
+ mode = 0;
}
/*
*/
if (object->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)object;
- if (parse_commit(commit) < 0)
+
+ if (repo_parse_commit(revs->repo, commit) < 0)
die("unable to parse commit %s", name);
if (flags & UNINTERESTING) {
- commit->object.flags |= UNINTERESTING;
mark_parents_uninteresting(commit);
- revs->limited = 1;
+
+ if (!revs->topo_order || !generation_numbers_enabled(the_repository))
+ revs->limited = 1;
+ }
+ if (revs->sources) {
+ char **slot = revision_sources_at(revs->sources, commit);
+
+ if (!*slot)
+ *slot = xstrdup(name);
}
- if (revs->show_source && !commit->util)
- commit->util = (void *) name;
return commit;
}
if (!revs->tree_objects)
return NULL;
if (flags & UNINTERESTING) {
- mark_tree_uninteresting(tree);
+ mark_tree_contents_uninteresting(revs->repo, tree);
return NULL;
}
- add_pending_object(revs, object, "");
+ add_pending_object_with_path(revs, object, name, mode, path);
return NULL;
}
* Blob object? You know the drill by now..
*/
if (object->type == OBJ_BLOB) {
- struct blob *blob = (struct blob *)object;
if (!revs->blob_objects)
return NULL;
- if (flags & UNINTERESTING) {
- mark_blob_uninteresting(blob);
+ if (flags & UNINTERESTING)
return NULL;
- }
- add_pending_object(revs, object, "");
+ add_pending_object_with_path(revs, object, name, mode, path);
return NULL;
}
die("%s is unknown object", name);
}
-static int everybody_uninteresting(struct commit_list *orig)
+static int everybody_uninteresting(struct commit_list *orig,
+ struct commit **interesting_cache)
{
struct commit_list *list = orig;
+
+ if (*interesting_cache) {
+ struct commit *commit = *interesting_cache;
+ if (!(commit->object.flags & UNINTERESTING))
+ return 0;
+ }
+
while (list) {
struct commit *commit = list->item;
list = list->next;
if (commit->object.flags & UNINTERESTING)
continue;
+
+ *interesting_cache = commit;
return 0;
}
return 1;
}
/*
+ * A definition of "relevant" commit that we can use to simplify limited graphs
+ * by eliminating side branches.
+ *
+ * A "relevant" commit is one that is !UNINTERESTING (ie we are including it
+ * in our list), or that is a specified BOTTOM commit. Then after computing
+ * a limited list, during processing we can generally ignore boundary merges
+ * coming from outside the graph, (ie from irrelevant parents), and treat
+ * those merges as if they were single-parent. TREESAME is defined to consider
+ * only relevant parents, if any. If we are TREESAME to our on-graph parents,
+ * we don't care if we were !TREESAME to non-graph parents.
+ *
+ * Treating bottom commits as relevant ensures that a limited graph's
+ * connection to the actual bottom commit is not viewed as a side branch, but
+ * treated as part of the graph. For example:
+ *
+ * ....Z...A---X---o---o---B
+ * . /
+ * W---Y
+ *
+ * When computing "A..B", the A-X connection is at least as important as
+ * Y-X, despite A being flagged UNINTERESTING.
+ *
+ * And when computing --ancestry-path "A..B", the A-X connection is more
+ * important than Y-X, despite both A and Y being flagged UNINTERESTING.
+ */
+static inline int relevant_commit(struct commit *commit)
+{
+ return (commit->object.flags & (UNINTERESTING | BOTTOM)) != UNINTERESTING;
+}
+
+/*
+ * Return a single relevant commit from a parent list. If we are a TREESAME
+ * commit, and this selects one of our parents, then we can safely simplify to
+ * that parent.
+ */
+static struct commit *one_relevant_parent(const struct rev_info *revs,
+ struct commit_list *orig)
+{
+ struct commit_list *list = orig;
+ struct commit *relevant = NULL;
+
+ if (!orig)
+ return NULL;
+
+ /*
+ * For 1-parent commits, or if first-parent-only, then return that
+ * first parent (even if not "relevant" by the above definition).
+ * TREESAME will have been set purely on that parent.
+ */
+ if (revs->first_parent_only || !orig->next)
+ return orig->item;
+
+ /*
+ * For multi-parent commits, identify a sole relevant parent, if any.
+ * If we have only one relevant parent, then TREESAME will be set purely
+ * with regard to that parent, and we can simplify accordingly.
+ *
+ * If we have more than one relevant parent, or no relevant parents
+ * (and multiple irrelevant ones), then we can't select a parent here
+ * and return NULL.
+ */
+ while (list) {
+ struct commit *commit = list->item;
+ list = list->next;
+ if (relevant_commit(commit)) {
+ if (relevant)
+ return NULL;
+ relevant = commit;
+ }
+ }
+ return relevant;
+}
+
+/*
* The goal is to get REV_TREE_NEW as the result only if the
* diff consists of all '+' (and no other changes), REV_TREE_OLD
* if the whole diff is removal of old data, and otherwise
* REV_TREE_DIFFERENT (of course if the trees are the same we
* want REV_TREE_SAME).
- * That means that once we get to REV_TREE_DIFFERENT, we do not
- * have to look any further.
+ *
+ * The only time we care about the distinction is when
+ * remove_empty_trees is in effect, in which case we care only about
+ * whether the whole change is REV_TREE_NEW, or if there's another type
+ * of change. Which means we can stop the diff early in either of these
+ * cases:
+ *
+ * 1. We're not using remove_empty_trees at all.
+ *
+ * 2. We saw anything except REV_TREE_NEW.
*/
static int tree_difference = REV_TREE_SAME;
static void file_add_remove(struct diff_options *options,
int addremove, unsigned mode,
- const unsigned char *sha1,
+ const struct object_id *oid,
+ int oid_valid,
const char *fullpath, unsigned dirty_submodule)
{
int diff = addremove == '+' ? REV_TREE_NEW : REV_TREE_OLD;
+ struct rev_info *revs = options->change_fn_data;
tree_difference |= diff;
- if (tree_difference == REV_TREE_DIFFERENT)
- DIFF_OPT_SET(options, HAS_CHANGES);
+ if (!revs->remove_empty_trees || tree_difference != REV_TREE_NEW)
+ options->flags.has_changes = 1;
}
static void file_change(struct diff_options *options,
unsigned old_mode, unsigned new_mode,
- const unsigned char *old_sha1,
- const unsigned char *new_sha1,
+ const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ int old_oid_valid, int new_oid_valid,
const char *fullpath,
unsigned old_dirty_submodule, unsigned new_dirty_submodule)
{
tree_difference = REV_TREE_DIFFERENT;
- DIFF_OPT_SET(options, HAS_CHANGES);
+ options->flags.has_changes = 1;
+}
+
+static int bloom_filter_atexit_registered;
+static unsigned int count_bloom_filter_maybe;
+static unsigned int count_bloom_filter_definitely_not;
+static unsigned int count_bloom_filter_false_positive;
+static unsigned int count_bloom_filter_not_present;
+
+static void trace2_bloom_filter_statistics_atexit(void)
+{
+ struct json_writer jw = JSON_WRITER_INIT;
+
+ jw_object_begin(&jw, 0);
+ jw_object_intmax(&jw, "filter_not_present", count_bloom_filter_not_present);
+ jw_object_intmax(&jw, "maybe", count_bloom_filter_maybe);
+ jw_object_intmax(&jw, "definitely_not", count_bloom_filter_definitely_not);
+ jw_object_intmax(&jw, "false_positive", count_bloom_filter_false_positive);
+ jw_end(&jw);
+
+ trace2_data_json("bloom", the_repository, "statistics", &jw);
+
+ jw_release(&jw);
+}
+
+static int forbid_bloom_filters(struct pathspec *spec)
+{
+ if (spec->has_wildcard)
+ return 1;
+ if (spec->nr > 1)
+ return 1;
+ if (spec->magic & ~PATHSPEC_LITERAL)
+ return 1;
+ if (spec->nr && (spec->items[0].magic & ~PATHSPEC_LITERAL))
+ return 1;
+
+ return 0;
+}
+
+static void prepare_to_use_bloom_filter(struct rev_info *revs)
+{
+ struct pathspec_item *pi;
+ char *path_alloc = NULL;
+ const char *path, *p;
+ size_t len;
+ int path_component_nr = 1;
+
+ if (!revs->commits)
+ return;
+
+ if (forbid_bloom_filters(&revs->prune_data))
+ return;
+
+ repo_parse_commit(revs->repo, revs->commits->item);
+
+ revs->bloom_filter_settings = get_bloom_filter_settings(revs->repo);
+ if (!revs->bloom_filter_settings)
+ return;
+
+ if (!revs->pruning.pathspec.nr)
+ return;
+
+ pi = &revs->pruning.pathspec.items[0];
+
+ /* remove single trailing slash from path, if needed */
+ if (pi->len > 0 && pi->match[pi->len - 1] == '/') {
+ path_alloc = xmemdupz(pi->match, pi->len - 1);
+ path = path_alloc;
+ } else
+ path = pi->match;
+
+ len = strlen(path);
+ if (!len) {
+ revs->bloom_filter_settings = NULL;
+ free(path_alloc);
+ return;
+ }
+
+ p = path;
+ while (*p) {
+ /*
+ * At this point, the path is normalized to use Unix-style
+ * path separators. This is required due to how the
+ * changed-path Bloom filters store the paths.
+ */
+ if (*p == '/')
+ path_component_nr++;
+ p++;
+ }
+
+ revs->bloom_keys_nr = path_component_nr;
+ ALLOC_ARRAY(revs->bloom_keys, revs->bloom_keys_nr);
+
+ fill_bloom_key(path, len, &revs->bloom_keys[0],
+ revs->bloom_filter_settings);
+ path_component_nr = 1;
+
+ p = path + len - 1;
+ while (p > path) {
+ if (*p == '/')
+ fill_bloom_key(path, p - path,
+ &revs->bloom_keys[path_component_nr++],
+ revs->bloom_filter_settings);
+ p--;
+ }
+
+ if (trace2_is_enabled() && !bloom_filter_atexit_registered) {
+ atexit(trace2_bloom_filter_statistics_atexit);
+ bloom_filter_atexit_registered = 1;
+ }
+
+ free(path_alloc);
+}
+
+static int check_maybe_different_in_bloom_filter(struct rev_info *revs,
+ struct commit *commit)
+{
+ struct bloom_filter *filter;
+ int result = 1, j;
+
+ if (!revs->repo->objects->commit_graph)
+ return -1;
+
+ if (commit_graph_generation(commit) == GENERATION_NUMBER_INFINITY)
+ return -1;
+
+ filter = get_bloom_filter(revs->repo, commit);
+
+ if (!filter) {
+ count_bloom_filter_not_present++;
+ return -1;
+ }
+
+ for (j = 0; result && j < revs->bloom_keys_nr; j++) {
+ result = bloom_filter_contains(filter,
+ &revs->bloom_keys[j],
+ revs->bloom_filter_settings);
+ }
+
+ if (result)
+ count_bloom_filter_maybe++;
+ else
+ count_bloom_filter_definitely_not++;
+
+ return result;
}
-static int rev_compare_tree(struct rev_info *revs, struct commit *parent, struct commit *commit)
+static int rev_compare_tree(struct rev_info *revs,
+ struct commit *parent, struct commit *commit, int nth_parent)
{
- struct tree *t1 = parent->tree;
- struct tree *t2 = commit->tree;
+ struct tree *t1 = get_commit_tree(parent);
+ struct tree *t2 = get_commit_tree(commit);
+ int bloom_ret = 1;
if (!t1)
return REV_TREE_NEW;
* If we are simplifying by decoration, then the commit
* is worth showing if it has a tag pointing at it.
*/
- if (lookup_decoration(&name_decoration, &commit->object))
+ if (get_name_decoration(&commit->object))
return REV_TREE_DIFFERENT;
/*
* A commit that is not pointed by a tag is uninteresting
return REV_TREE_SAME;
}
+ if (revs->bloom_keys_nr && !nth_parent) {
+ bloom_ret = check_maybe_different_in_bloom_filter(revs, commit);
+
+ if (bloom_ret == 0)
+ return REV_TREE_SAME;
+ }
+
tree_difference = REV_TREE_SAME;
- DIFF_OPT_CLR(&revs->pruning, HAS_CHANGES);
- if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "",
- &revs->pruning) < 0)
- return REV_TREE_DIFFERENT;
+ revs->pruning.flags.has_changes = 0;
+ diff_tree_oid(&t1->object.oid, &t2->object.oid, "", &revs->pruning);
+
+ if (!nth_parent)
+ if (bloom_ret == 1 && tree_difference == REV_TREE_SAME)
+ count_bloom_filter_false_positive++;
+
return tree_difference;
}
static int rev_same_tree_as_empty(struct rev_info *revs, struct commit *commit)
{
- int retval;
- void *tree;
- unsigned long size;
- struct tree_desc empty, real;
- struct tree *t1 = commit->tree;
+ struct tree *t1 = get_commit_tree(commit);
if (!t1)
return 0;
- tree = read_object_with_reference(t1->object.sha1, tree_type, &size, NULL);
- if (!tree)
- return 0;
- init_tree_desc(&real, tree, size);
- init_tree_desc(&empty, "", 0);
-
tree_difference = REV_TREE_SAME;
- DIFF_OPT_CLR(&revs->pruning, HAS_CHANGES);
- retval = diff_tree(&empty, &real, "", &revs->pruning);
- free(tree);
+ revs->pruning.flags.has_changes = 0;
+ diff_tree_oid(NULL, &t1->object.oid, "", &revs->pruning);
- return retval >= 0 && (tree_difference == REV_TREE_SAME);
+ return tree_difference == REV_TREE_SAME;
}
-static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
+struct treesame_state {
+ unsigned int nparents;
+ unsigned char treesame[FLEX_ARRAY];
+};
+
+static struct treesame_state *initialise_treesame(struct rev_info *revs, struct commit *commit)
{
- struct commit_list **pp, *parent;
- int tree_changed = 0, tree_same = 0, nth_parent = 0;
+ unsigned n = commit_list_count(commit->parents);
+ struct treesame_state *st = xcalloc(1, st_add(sizeof(*st), n));
+ st->nparents = n;
+ add_decoration(&revs->treesame, &commit->object, st);
+ return st;
+}
+
+/*
+ * Must be called immediately after removing the nth_parent from a commit's
+ * parent list, if we are maintaining the per-parent treesame[] decoration.
+ * This does not recalculate the master TREESAME flag - update_treesame()
+ * should be called to update it after a sequence of treesame[] modifications
+ * that may have affected it.
+ */
+static int compact_treesame(struct rev_info *revs, struct commit *commit, unsigned nth_parent)
+{
+ struct treesame_state *st;
+ int old_same;
+
+ if (!commit->parents) {
+ /*
+ * Have just removed the only parent from a non-merge.
+ * Different handling, as we lack decoration.
+ */
+ if (nth_parent != 0)
+ die("compact_treesame %u", nth_parent);
+ old_same = !!(commit->object.flags & TREESAME);
+ if (rev_same_tree_as_empty(revs, commit))
+ commit->object.flags |= TREESAME;
+ else
+ commit->object.flags &= ~TREESAME;
+ return old_same;
+ }
+
+ st = lookup_decoration(&revs->treesame, &commit->object);
+ if (!st || nth_parent >= st->nparents)
+ die("compact_treesame %u", nth_parent);
+
+ old_same = st->treesame[nth_parent];
+ memmove(st->treesame + nth_parent,
+ st->treesame + nth_parent + 1,
+ st->nparents - nth_parent - 1);
+
+ /*
+ * If we've just become a non-merge commit, update TREESAME
+ * immediately, and remove the no-longer-needed decoration.
+ * If still a merge, defer update until update_treesame().
+ */
+ if (--st->nparents == 1) {
+ if (commit->parents->next)
+ die("compact_treesame parents mismatch");
+ if (st->treesame[0] && revs->dense)
+ commit->object.flags |= TREESAME;
+ else
+ commit->object.flags &= ~TREESAME;
+ free(add_decoration(&revs->treesame, &commit->object, NULL));
+ }
+
+ return old_same;
+}
+
+static unsigned update_treesame(struct rev_info *revs, struct commit *commit)
+{
+ if (commit->parents && commit->parents->next) {
+ unsigned n;
+ struct treesame_state *st;
+ struct commit_list *p;
+ unsigned relevant_parents;
+ unsigned relevant_change, irrelevant_change;
+
+ st = lookup_decoration(&revs->treesame, &commit->object);
+ if (!st)
+ die("update_treesame %s", oid_to_hex(&commit->object.oid));
+ relevant_parents = 0;
+ relevant_change = irrelevant_change = 0;
+ for (p = commit->parents, n = 0; p; n++, p = p->next) {
+ if (relevant_commit(p->item)) {
+ relevant_change |= !st->treesame[n];
+ relevant_parents++;
+ } else
+ irrelevant_change |= !st->treesame[n];
+ }
+ if (relevant_parents ? relevant_change : irrelevant_change)
+ commit->object.flags &= ~TREESAME;
+ else
+ commit->object.flags |= TREESAME;
+ }
+
+ return commit->object.flags & TREESAME;
+}
+
+static inline int limiting_can_increase_treesame(const struct rev_info *revs)
+{
+ /*
+ * TREESAME is irrelevant unless prune && dense;
+ * if simplify_history is set, we can't have a mixture of TREESAME and
+ * !TREESAME INTERESTING parents (and we don't have treesame[]
+ * decoration anyway);
+ * if first_parent_only is set, then the TREESAME flag is locked
+ * against the first parent (and again we lack treesame[] decoration).
+ */
+ return revs->prune && revs->dense &&
+ !revs->simplify_history &&
+ !revs->first_parent_only;
+}
+
+static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
+{
+ struct commit_list **pp, *parent;
+ struct treesame_state *ts = NULL;
+ int relevant_change = 0, irrelevant_change = 0;
+ int relevant_parents, nth_parent;
/*
* If we don't do pruning, everything is interesting
if (!revs->prune)
return;
- if (!commit->tree)
+ if (!get_commit_tree(commit))
return;
if (!commit->parents) {
if (!revs->dense && !commit->parents->next)
return;
- pp = &commit->parents;
- while ((parent = *pp) != NULL) {
+ for (pp = &commit->parents, nth_parent = 0, relevant_parents = 0;
+ (parent = *pp) != NULL;
+ pp = &parent->next, nth_parent++) {
struct commit *p = parent->item;
+ if (relevant_commit(p))
+ relevant_parents++;
- /*
- * Do not compare with later parents when we care only about
- * the first parent chain, in order to avoid derailing the
- * traversal to follow a side branch that brought everything
- * in the path we are limited to by the pathspec.
- */
- if (revs->first_parent_only && nth_parent++)
- break;
- if (parse_commit(p) < 0)
+ if (nth_parent == 1) {
+ /*
+ * This our second loop iteration - so we now know
+ * we're dealing with a merge.
+ *
+ * Do not compare with later parents when we care only about
+ * the first parent chain, in order to avoid derailing the
+ * traversal to follow a side branch that brought everything
+ * in the path we are limited to by the pathspec.
+ */
+ if (revs->first_parent_only)
+ break;
+ /*
+ * If this will remain a potentially-simplifiable
+ * merge, remember per-parent treesame if needed.
+ * Initialise the array with the comparison from our
+ * first iteration.
+ */
+ if (revs->treesame.name &&
+ !revs->simplify_history &&
+ !(commit->object.flags & UNINTERESTING)) {
+ ts = initialise_treesame(revs, commit);
+ if (!(irrelevant_change || relevant_change))
+ ts->treesame[0] = 1;
+ }
+ }
+ if (repo_parse_commit(revs->repo, p) < 0)
die("cannot simplify commit %s (because of %s)",
- sha1_to_hex(commit->object.sha1),
- sha1_to_hex(p->object.sha1));
- switch (rev_compare_tree(revs, p, commit)) {
+ oid_to_hex(&commit->object.oid),
+ oid_to_hex(&p->object.oid));
+ switch (rev_compare_tree(revs, p, commit, nth_parent)) {
case REV_TREE_SAME:
- tree_same = 1;
- if (!revs->simplify_history || (p->object.flags & UNINTERESTING)) {
+ if (!revs->simplify_history || !relevant_commit(p)) {
/* Even if a merge with an uninteresting
* side branch brought the entire change
* we are interested in, we do not want
* to lose the other branches of this
* merge, so we just keep going.
*/
- pp = &parent->next;
+ if (ts)
+ ts->treesame[nth_parent] = 1;
continue;
}
parent->next = NULL;
commit->parents = parent;
- commit->object.flags |= TREESAME;
+
+ /*
+ * A merge commit is a "diversion" if it is not
+ * TREESAME to its first parent but is TREESAME
+ * to a later parent. In the simplified history,
+ * we "divert" the history walk to the later
+ * parent. These commits are shown when "show_pulls"
+ * is enabled, so do not mark the object as
+ * TREESAME here.
+ */
+ if (!revs->show_pulls || !nth_parent)
+ commit->object.flags |= TREESAME;
+
return;
case REV_TREE_NEW:
* IOW, we pretend this parent is a
* "root" commit.
*/
- if (parse_commit(p) < 0)
+ if (repo_parse_commit(revs->repo, p) < 0)
die("cannot simplify commit %s (invalid %s)",
- sha1_to_hex(commit->object.sha1),
- sha1_to_hex(p->object.sha1));
+ oid_to_hex(&commit->object.oid),
+ oid_to_hex(&p->object.oid));
p->parents = NULL;
}
/* fallthrough */
case REV_TREE_OLD:
case REV_TREE_DIFFERENT:
- tree_changed = 1;
- pp = &parent->next;
+ if (relevant_commit(p))
+ relevant_change = 1;
+ else
+ irrelevant_change = 1;
+
+ if (!nth_parent)
+ commit->object.flags |= PULL_MERGE;
+
continue;
}
- die("bad tree compare for commit %s", sha1_to_hex(commit->object.sha1));
+ die("bad tree compare for commit %s", oid_to_hex(&commit->object.oid));
}
- if (tree_changed && !tree_same)
- return;
- commit->object.flags |= TREESAME;
-}
-
-static void commit_list_insert_by_date_cached(struct commit *p, struct commit_list **head,
- struct commit_list *cached_base, struct commit_list **cache)
-{
- struct commit_list *new_entry;
- if (cached_base && p->date < cached_base->item->date)
- new_entry = commit_list_insert_by_date(p, &cached_base->next);
- else
- new_entry = commit_list_insert_by_date(p, head);
-
- if (cache && (!*cache || p->date < (*cache)->item->date))
- *cache = new_entry;
+ /*
+ * TREESAME is straightforward for single-parent commits. For merge
+ * commits, it is most useful to define it so that "irrelevant"
+ * parents cannot make us !TREESAME - if we have any relevant
+ * parents, then we only consider TREESAMEness with respect to them,
+ * allowing irrelevant merges from uninteresting branches to be
+ * simplified away. Only if we have only irrelevant parents do we
+ * base TREESAME on them. Note that this logic is replicated in
+ * update_treesame, which should be kept in sync.
+ */
+ if (relevant_parents ? !relevant_change : !irrelevant_change)
+ commit->object.flags |= TREESAME;
}
-static int add_parents_to_list(struct rev_info *revs, struct commit *commit,
- struct commit_list **list, struct commit_list **cache_ptr)
+static int process_parents(struct rev_info *revs, struct commit *commit,
+ struct commit_list **list, struct prio_queue *queue)
{
struct commit_list *parent = commit->parents;
unsigned left_flag;
- struct commit_list *cached_base = cache_ptr ? *cache_ptr : NULL;
if (commit->object.flags & ADDED)
return 0;
commit->object.flags |= ADDED;
+ if (revs->include_check &&
+ !revs->include_check(commit, revs->include_check_data))
+ return 0;
+
/*
* If the commit is uninteresting, don't try to
* prune parents - we want the maximal uninteresting
parent = parent->next;
if (p)
p->object.flags |= UNINTERESTING;
- if (parse_commit(p) < 0)
+ if (repo_parse_commit_gently(revs->repo, p, 1) < 0)
continue;
if (p->parents)
mark_parents_uninteresting(p);
if (p->object.flags & SEEN)
continue;
p->object.flags |= SEEN;
- commit_list_insert_by_date_cached(p, list, cached_base, cache_ptr);
+ if (list)
+ commit_list_insert_by_date(p, list);
+ if (queue)
+ prio_queue_put(queue, p);
}
return 0;
}
for (parent = commit->parents; parent; parent = parent->next) {
struct commit *p = parent->item;
-
- if (parse_commit(p) < 0)
+ int gently = revs->ignore_missing_links ||
+ revs->exclude_promisor_objects;
+ if (repo_parse_commit_gently(revs->repo, p, gently) < 0) {
+ if (revs->exclude_promisor_objects &&
+ is_promisor_object(&p->object.oid)) {
+ if (revs->first_parent_only)
+ break;
+ continue;
+ }
return -1;
- if (revs->show_source && !p->util)
- p->util = commit->util;
+ }
+ if (revs->sources) {
+ char **slot = revision_sources_at(revs->sources, p);
+
+ if (!*slot)
+ *slot = *revision_sources_at(revs->sources, commit);
+ }
p->object.flags |= left_flag;
if (!(p->object.flags & SEEN)) {
p->object.flags |= SEEN;
- commit_list_insert_by_date_cached(p, list, cached_base, cache_ptr);
+ if (list)
+ commit_list_insert_by_date(p, list);
+ if (queue)
+ prio_queue_put(queue, p);
}
if (revs->first_parent_only)
break;
return;
left_first = left_count < right_count;
- init_patch_ids(&ids);
+ init_patch_ids(revs->repo, &ids);
ids.diffopts.pathspec = revs->diffopt.pathspec;
/* Compute patch-ids for one side */
*/
if (left_first != !!(flags & SYMMETRIC_LEFT))
continue;
- commit->util = add_commit_patch_id(commit, &ids);
+ add_commit_patch_id(commit, &ids);
}
/* either cherry_mark or cherry_pick are true */
/*
* Have we seen the same patch id?
*/
- id = has_commit_patch_id(commit, &ids);
+ id = patch_id_iter_first(commit, &ids);
if (!id)
continue;
- id->seen = 1;
- commit->object.flags |= cherry_flag;
- }
-
- /* Now check the original side for seen ones */
- for (p = list; p; p = p->next) {
- struct commit *commit = p->item;
- struct patch_id *ent;
- ent = commit->util;
- if (!ent)
- continue;
- if (ent->seen)
- commit->object.flags |= cherry_flag;
- commit->util = NULL;
+ commit->object.flags |= cherry_flag;
+ do {
+ id->commit->object.flags |= cherry_flag;
+ } while ((id = patch_id_iter_next(id, &ids)));
}
free_patch_ids(&ids);
/* How many extra uninteresting commits we want to see.. */
#define SLOP 5
-static int still_interesting(struct commit_list *src, unsigned long date, int slop)
+static int still_interesting(struct commit_list *src, timestamp_t date, int slop,
+ struct commit **interesting_cache)
{
/*
* No source list at all? We're definitely done..
* Does the destination list contain entries with a date
* before the source list? Definitely _not_ done.
*/
- if (date < src->item->date)
+ if (date <= src->item->date)
return SLOP;
/*
* Does the source list still have interesting commits in
* it? Definitely not done..
*/
- if (!everybody_uninteresting(src))
+ if (!everybody_uninteresting(src, interesting_cache))
return SLOP;
/* Ok, we're closing in.. */
* to filter the result of "A..B" further to the ones that can actually
* reach A.
*/
-static struct commit_list *collect_bottom_commits(struct rev_info *revs)
+static struct commit_list *collect_bottom_commits(struct commit_list *list)
{
- struct commit_list *bottom = NULL;
- int i;
- for (i = 0; i < revs->cmdline.nr; i++) {
- struct rev_cmdline_entry *elem = &revs->cmdline.rev[i];
- if ((elem->flags & UNINTERESTING) &&
- elem->item->type == OBJ_COMMIT)
- commit_list_insert((struct commit *)elem->item, &bottom);
- }
+ struct commit_list *elem, *bottom = NULL;
+ for (elem = list; elem; elem = elem->next)
+ if (elem->item->object.flags & BOTTOM)
+ commit_list_insert(elem->item, &bottom);
return bottom;
}
static int limit_list(struct rev_info *revs)
{
int slop = SLOP;
- unsigned long date = ~0ul;
+ timestamp_t date = TIME_MAX;
struct commit_list *list = revs->commits;
struct commit_list *newlist = NULL;
struct commit_list **p = &newlist;
struct commit_list *bottom = NULL;
+ struct commit *interesting_cache = NULL;
if (revs->ancestry_path) {
- bottom = collect_bottom_commits(revs);
+ bottom = collect_bottom_commits(list);
if (!bottom)
die("--ancestry-path given but there are no bottom commits");
}
while (list) {
- struct commit_list *entry = list;
- struct commit *commit = list->item;
+ struct commit *commit = pop_commit(&list);
struct object *obj = &commit->object;
show_early_output_fn_t show;
- list = list->next;
- free(entry);
+ if (commit == interesting_cache)
+ interesting_cache = NULL;
if (revs->max_age != -1 && (commit->date < revs->max_age))
obj->flags |= UNINTERESTING;
- if (add_parents_to_list(revs, commit, &list, NULL) < 0)
+ if (process_parents(revs, commit, &list, NULL) < 0)
return -1;
if (obj->flags & UNINTERESTING) {
mark_parents_uninteresting(commit);
- if (revs->show_all)
- p = &commit_list_insert(commit, p)->next;
- slop = still_interesting(list, date, slop);
+ slop = still_interesting(list, date, slop, &interesting_cache);
if (slop)
continue;
- /* If showing all, add the whole pending list to the end */
- if (revs->show_all)
- *p = list;
break;
}
- if (revs->min_age != -1 && (commit->date > revs->min_age))
+ if (revs->min_age != -1 && (commit->date > revs->min_age) &&
+ !revs->line_level_traverse)
continue;
date = commit->date;
p = &commit_list_insert(commit, p)->next;
free_commit_list(bottom);
}
+ /*
+ * Check if any commits have become TREESAME by some of their parents
+ * becoming UNINTERESTING.
+ */
+ if (limiting_can_increase_treesame(revs))
+ for (list = newlist; list; list = list->next) {
+ struct commit *c = list->item;
+ if (c->object.flags & (UNINTERESTING | TREESAME))
+ continue;
+ update_treesame(revs, c);
+ }
+
revs->commits = newlist;
return 0;
}
+/*
+ * Add an entry to refs->cmdline with the specified information.
+ * *name is copied.
+ */
static void add_rev_cmdline(struct rev_info *revs,
struct object *item,
const char *name,
unsigned flags)
{
struct rev_cmdline_info *info = &revs->cmdline;
- int nr = info->nr;
+ unsigned int nr = info->nr;
ALLOC_GROW(info->rev, nr + 1, info->alloc);
info->rev[nr].item = item;
- info->rev[nr].name = name;
+ info->rev[nr].name = xstrdup(name);
info->rev[nr].whence = whence;
info->rev[nr].flags = flags;
info->nr++;
}
+static void add_rev_cmdline_list(struct rev_info *revs,
+ struct commit_list *commit_list,
+ int whence,
+ unsigned flags)
+{
+ while (commit_list) {
+ struct object *object = &commit_list->item->object;
+ add_rev_cmdline(revs, object, oid_to_hex(&object->oid),
+ whence, flags);
+ commit_list = commit_list->next;
+ }
+}
+
struct all_refs_cb {
int all_flags;
int warned_bad_reflog;
struct rev_info *all_revs;
const char *name_for_errormsg;
+ struct worktree *wt;
};
-static int handle_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+int ref_excluded(struct string_list *ref_excludes, const char *path)
+{
+ struct string_list_item *item;
+
+ if (!ref_excludes)
+ return 0;
+ for_each_string_list_item(item, ref_excludes) {
+ if (!wildmatch(item->string, path, 0))
+ return 1;
+ }
+ return 0;
+}
+
+static int handle_one_ref(const char *path, const struct object_id *oid,
+ int flag, void *cb_data)
{
struct all_refs_cb *cb = cb_data;
- struct object *object = get_reference(cb->all_revs, path, sha1,
- cb->all_flags);
+ struct object *object;
+
+ if (ref_excluded(cb->all_revs->ref_excludes, path))
+ return 0;
+
+ object = get_reference(cb->all_revs, path, oid, cb->all_flags);
add_rev_cmdline(cb->all_revs, object, path, REV_CMD_REF, cb->all_flags);
- add_pending_sha1(cb->all_revs, path, sha1, cb->all_flags);
+ add_pending_oid(cb->all_revs, path, oid, cb->all_flags);
return 0;
}
{
cb->all_revs = revs;
cb->all_flags = flags;
+ revs->rev_input_given = 1;
+ cb->wt = NULL;
}
-static void handle_refs(const char *submodule, struct rev_info *revs, unsigned flags,
- int (*for_each)(const char *, each_ref_fn, void *))
+void clear_ref_exclusion(struct string_list **ref_excludes_p)
+{
+ if (*ref_excludes_p) {
+ string_list_clear(*ref_excludes_p, 0);
+ free(*ref_excludes_p);
+ }
+ *ref_excludes_p = NULL;
+}
+
+void add_ref_exclusion(struct string_list **ref_excludes_p, const char *exclude)
+{
+ if (!*ref_excludes_p) {
+ *ref_excludes_p = xcalloc(1, sizeof(**ref_excludes_p));
+ (*ref_excludes_p)->strdup_strings = 1;
+ }
+ string_list_append(*ref_excludes_p, exclude);
+}
+
+static void handle_refs(struct ref_store *refs,
+ struct rev_info *revs, unsigned flags,
+ int (*for_each)(struct ref_store *, each_ref_fn, void *))
{
struct all_refs_cb cb;
+
+ if (!refs) {
+ /* this could happen with uninitialized submodules */
+ return;
+ }
+
init_all_refs_cb(&cb, revs, flags);
- for_each(submodule, handle_one_ref, &cb);
+ for_each(refs, handle_one_ref, &cb);
}
-static void handle_one_reflog_commit(unsigned char *sha1, void *cb_data)
+static void handle_one_reflog_commit(struct object_id *oid, void *cb_data)
{
struct all_refs_cb *cb = cb_data;
- if (!is_null_sha1(sha1)) {
- struct object *o = parse_object(sha1);
+ if (!is_null_oid(oid)) {
+ struct object *o = parse_object(cb->all_revs->repo, oid);
if (o) {
o->flags |= cb->all_flags;
/* ??? CMDLINEFLAGS ??? */
}
}
-static int handle_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
- const char *email, unsigned long timestamp, int tz,
+static int handle_one_reflog_ent(struct object_id *ooid, struct object_id *noid,
+ const char *email, timestamp_t timestamp, int tz,
const char *message, void *cb_data)
{
- handle_one_reflog_commit(osha1, cb_data);
- handle_one_reflog_commit(nsha1, cb_data);
+ handle_one_reflog_commit(ooid, cb_data);
+ handle_one_reflog_commit(noid, cb_data);
return 0;
}
-static int handle_one_reflog(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+static int handle_one_reflog(const char *refname_in_wt,
+ const struct object_id *oid,
+ int flag, void *cb_data)
{
struct all_refs_cb *cb = cb_data;
+ struct strbuf refname = STRBUF_INIT;
+
cb->warned_bad_reflog = 0;
- cb->name_for_errormsg = path;
- for_each_reflog_ent(path, handle_one_reflog_ent, cb_data);
+ strbuf_worktree_ref(cb->wt, &refname, refname_in_wt);
+ cb->name_for_errormsg = refname.buf;
+ refs_for_each_reflog_ent(get_main_ref_store(the_repository),
+ refname.buf,
+ handle_one_reflog_ent, cb_data);
+ strbuf_release(&refname);
return 0;
}
-static void handle_reflog(struct rev_info *revs, unsigned flags)
+static void add_other_reflogs_to_pending(struct all_refs_cb *cb)
+{
+ struct worktree **worktrees, **p;
+
+ worktrees = get_worktrees();
+ for (p = worktrees; *p; p++) {
+ struct worktree *wt = *p;
+
+ if (wt->is_current)
+ continue;
+
+ cb->wt = wt;
+ refs_for_each_reflog(get_worktree_ref_store(wt),
+ handle_one_reflog,
+ cb);
+ }
+ free_worktrees(worktrees);
+}
+
+void add_reflogs_to_pending(struct rev_info *revs, unsigned flags)
{
struct all_refs_cb cb;
+
cb.all_revs = revs;
cb.all_flags = flags;
+ cb.wt = NULL;
for_each_reflog(handle_one_reflog, &cb);
+
+ if (!revs->single_worktree)
+ add_other_reflogs_to_pending(&cb);
+}
+
+static void add_cache_tree(struct cache_tree *it, struct rev_info *revs,
+ struct strbuf *path, unsigned int flags)
+{
+ size_t baselen = path->len;
+ int i;
+
+ if (it->entry_count >= 0) {
+ struct tree *tree = lookup_tree(revs->repo, &it->oid);
+ tree->object.flags |= flags;
+ add_pending_object_with_path(revs, &tree->object, "",
+ 040000, path->buf);
+ }
+
+ for (i = 0; i < it->subtree_nr; i++) {
+ struct cache_tree_sub *sub = it->down[i];
+ strbuf_addf(path, "%s%s", baselen ? "/" : "", sub->name);
+ add_cache_tree(sub->cache_tree, revs, path, flags);
+ strbuf_setlen(path, baselen);
+ }
+
+}
+
+static void do_add_index_objects_to_pending(struct rev_info *revs,
+ struct index_state *istate,
+ unsigned int flags)
+{
+ int i;
+
+ for (i = 0; i < istate->cache_nr; i++) {
+ struct cache_entry *ce = istate->cache[i];
+ struct blob *blob;
+
+ if (S_ISGITLINK(ce->ce_mode))
+ continue;
+
+ blob = lookup_blob(revs->repo, &ce->oid);
+ if (!blob)
+ die("unable to add index blob to traversal");
+ blob->object.flags |= flags;
+ add_pending_object_with_path(revs, &blob->object, "",
+ ce->ce_mode, ce->name);
+ }
+
+ if (istate->cache_tree) {
+ struct strbuf path = STRBUF_INIT;
+ add_cache_tree(istate->cache_tree, revs, &path, flags);
+ strbuf_release(&path);
+ }
+}
+
+void add_index_objects_to_pending(struct rev_info *revs, unsigned int flags)
+{
+ struct worktree **worktrees, **p;
+
+ repo_read_index(revs->repo);
+ do_add_index_objects_to_pending(revs, revs->repo->index, flags);
+
+ if (revs->single_worktree)
+ return;
+
+ worktrees = get_worktrees();
+ for (p = worktrees; *p; p++) {
+ struct worktree *wt = *p;
+ struct index_state istate = { NULL };
+
+ if (wt->is_current)
+ continue; /* current index already taken care of */
+
+ if (read_index_from(&istate,
+ worktree_git_path(wt, "index"),
+ get_worktree_git_dir(wt)) > 0)
+ do_add_index_objects_to_pending(revs, &istate, flags);
+ discard_index(&istate);
+ }
+ free_worktrees(worktrees);
+}
+
+struct add_alternate_refs_data {
+ struct rev_info *revs;
+ unsigned int flags;
+};
+
+static void add_one_alternate_ref(const struct object_id *oid,
+ void *vdata)
+{
+ const char *name = ".alternate";
+ struct add_alternate_refs_data *data = vdata;
+ struct object *obj;
+
+ obj = get_reference(data->revs, name, oid, data->flags);
+ add_rev_cmdline(data->revs, obj, name, REV_CMD_REV, data->flags);
+ add_pending_object(data->revs, obj, name);
}
-static int add_parents_only(struct rev_info *revs, const char *arg_, int flags)
+static void add_alternate_refs_to_pending(struct rev_info *revs,
+ unsigned int flags)
{
- unsigned char sha1[20];
+ struct add_alternate_refs_data data;
+ data.revs = revs;
+ data.flags = flags;
+ for_each_alternate_ref(add_one_alternate_ref, &data);
+}
+
+static int add_parents_only(struct rev_info *revs, const char *arg_, int flags,
+ int exclude_parent)
+{
+ struct object_id oid;
struct object *it;
struct commit *commit;
struct commit_list *parents;
+ int parent_number;
const char *arg = arg_;
if (*arg == '^') {
- flags ^= UNINTERESTING;
+ flags ^= UNINTERESTING | BOTTOM;
arg++;
}
- if (get_sha1(arg, sha1))
+ if (get_oid_committish(arg, &oid))
return 0;
while (1) {
- it = get_reference(revs, arg, sha1, 0);
+ it = get_reference(revs, arg, &oid, 0);
if (!it && revs->ignore_missing)
return 0;
if (it->type != OBJ_TAG)
break;
if (!((struct tag*)it)->tagged)
return 0;
- hashcpy(sha1, ((struct tag*)it)->tagged->sha1);
+ oidcpy(&oid, &((struct tag*)it)->tagged->oid);
}
if (it->type != OBJ_COMMIT)
return 0;
commit = (struct commit *)it;
- for (parents = commit->parents; parents; parents = parents->next) {
+ if (exclude_parent &&
+ exclude_parent > commit_list_count(commit->parents))
+ return 0;
+ for (parents = commit->parents, parent_number = 1;
+ parents;
+ parents = parents->next, parent_number++) {
+ if (exclude_parent && parent_number != exclude_parent)
+ continue;
+
it = &parents->item->object;
it->flags |= flags;
add_rev_cmdline(revs, it, arg_, REV_CMD_PARENTS_ONLY, flags);
return 1;
}
-void init_revisions(struct rev_info *revs, const char *prefix)
+void repo_init_revisions(struct repository *r,
+ struct rev_info *revs,
+ const char *prefix)
{
memset(revs, 0, sizeof(*revs));
+ revs->repo = r;
revs->abbrev = DEFAULT_ABBREV;
- revs->ignore_merges = 1;
+ revs->ignore_merges = -1;
revs->simplify_history = 1;
- DIFF_OPT_SET(&revs->pruning, RECURSIVE);
- DIFF_OPT_SET(&revs->pruning, QUICK);
+ revs->pruning.repo = r;
+ revs->pruning.flags.recursive = 1;
+ revs->pruning.flags.quick = 1;
revs->pruning.add_remove = file_add_remove;
revs->pruning.change = file_change;
- revs->lifo = 1;
+ revs->pruning.change_fn_data = revs;
+ revs->sort_order = REV_SORT_IN_GRAPH_ORDER;
revs->dense = 1;
revs->prefix = prefix;
revs->max_age = -1;
revs->skip_count = -1;
revs->max_count = -1;
revs->max_parents = -1;
+ revs->expand_tabs_in_log = -1;
revs->commit_format = CMIT_FMT_DEFAULT;
+ revs->expand_tabs_in_log_default = 8;
+ grep_init(&revs->grep_filter, revs->repo, prefix);
revs->grep_filter.status_only = 1;
- revs->grep_filter.pattern_tail = &(revs->grep_filter.pattern_list);
- revs->grep_filter.header_tail = &(revs->grep_filter.header_list);
- revs->grep_filter.regflags = REG_NEWLINE;
- diff_setup(&revs->diffopt);
+ repo_diff_setup(revs->repo, &revs->diffopt);
if (prefix && !revs->diffopt.prefix) {
revs->diffopt.prefix = prefix;
revs->diffopt.prefix_length = strlen(prefix);
}
- revs->notes_opt.use_default_notes = -1;
+ init_display_notes(&revs->notes_opt);
}
static void add_pending_commit_list(struct rev_info *revs,
- struct commit_list *commit_list,
- unsigned int flags)
+ struct commit_list *commit_list,
+ unsigned int flags)
{
while (commit_list) {
struct object *object = &commit_list->item->object;
object->flags |= flags;
- add_pending_object(revs, object, sha1_to_hex(object->sha1));
+ add_pending_object(revs, object, oid_to_hex(&object->oid));
commit_list = commit_list->next;
}
}
{
struct commit_list *bases;
struct commit *head, *other;
- unsigned char sha1[20];
+ struct object_id oid;
const char **prune = NULL;
int i, prune_num = 1; /* counting terminating NULL */
+ struct index_state *istate = revs->repo->index;
- if (get_sha1("HEAD", sha1))
+ if (get_oid("HEAD", &oid))
die("--merge without HEAD?");
- head = lookup_commit_or_die(sha1, "HEAD");
- if (get_sha1("MERGE_HEAD", sha1))
+ head = lookup_commit_or_die(&oid, "HEAD");
+ if (get_oid("MERGE_HEAD", &oid))
die("--merge without MERGE_HEAD?");
- other = lookup_commit_or_die(sha1, "MERGE_HEAD");
+ other = lookup_commit_or_die(&oid, "MERGE_HEAD");
add_pending_object(revs, &head->object, "HEAD");
add_pending_object(revs, &other->object, "MERGE_HEAD");
- bases = get_merge_bases(head, other, 1);
- add_pending_commit_list(revs, bases, UNINTERESTING);
+ bases = get_merge_bases(head, other);
+ add_rev_cmdline_list(revs, bases, REV_CMD_MERGE_BASE, UNINTERESTING | BOTTOM);
+ add_pending_commit_list(revs, bases, UNINTERESTING | BOTTOM);
free_commit_list(bases);
head->object.flags |= SYMMETRIC_LEFT;
- if (!active_nr)
- read_cache();
- for (i = 0; i < active_nr; i++) {
- struct cache_entry *ce = active_cache[i];
+ if (!istate->cache_nr)
+ repo_read_index(revs->repo);
+ for (i = 0; i < istate->cache_nr; i++) {
+ const struct cache_entry *ce = istate->cache[i];
if (!ce_stage(ce))
continue;
- if (ce_path_match(ce, &revs->prune_data)) {
+ if (ce_path_match(istate, ce, &revs->prune_data, NULL)) {
prune_num++;
- prune = xrealloc(prune, sizeof(*prune) * prune_num);
+ REALLOC_ARRAY(prune, prune_num);
prune[prune_num-2] = ce->name;
prune[prune_num-1] = NULL;
}
- while ((i+1 < active_nr) &&
- ce_same_name(ce, active_cache[i+1]))
+ while ((i+1 < istate->cache_nr) &&
+ ce_same_name(ce, istate->cache[i+1]))
i++;
}
- free_pathspec(&revs->prune_data);
- init_pathspec(&revs->prune_data, prune);
+ clear_pathspec(&revs->prune_data);
+ parse_pathspec(&revs->prune_data, PATHSPEC_ALL_MAGIC & ~PATHSPEC_LITERAL,
+ PATHSPEC_PREFER_FULL | PATHSPEC_LITERAL_PATH, "", prune);
revs->limited = 1;
}
-int handle_revision_arg(const char *arg_, struct rev_info *revs,
- int flags,
- int cant_be_filename)
+static int dotdot_missing(const char *arg, char *dotdot,
+ struct rev_info *revs, int symmetric)
+{
+ if (revs->ignore_missing)
+ return 0;
+ /* de-munge so we report the full argument */
+ *dotdot = '.';
+ die(symmetric
+ ? "Invalid symmetric difference expression %s"
+ : "Invalid revision range %s", arg);
+}
+
+static int handle_dotdot_1(const char *arg, char *dotdot,
+ struct rev_info *revs, int flags,
+ int cant_be_filename,
+ struct object_context *a_oc,
+ struct object_context *b_oc)
+{
+ const char *a_name, *b_name;
+ struct object_id a_oid, b_oid;
+ struct object *a_obj, *b_obj;
+ unsigned int a_flags, b_flags;
+ int symmetric = 0;
+ unsigned int flags_exclude = flags ^ (UNINTERESTING | BOTTOM);
+ unsigned int oc_flags = GET_OID_COMMITTISH | GET_OID_RECORD_PATH;
+
+ a_name = arg;
+ if (!*a_name)
+ a_name = "HEAD";
+
+ b_name = dotdot + 2;
+ if (*b_name == '.') {
+ symmetric = 1;
+ b_name++;
+ }
+ if (!*b_name)
+ b_name = "HEAD";
+
+ if (get_oid_with_context(revs->repo, a_name, oc_flags, &a_oid, a_oc) ||
+ get_oid_with_context(revs->repo, b_name, oc_flags, &b_oid, b_oc))
+ return -1;
+
+ if (!cant_be_filename) {
+ *dotdot = '.';
+ verify_non_filename(revs->prefix, arg);
+ *dotdot = '\0';
+ }
+
+ a_obj = parse_object(revs->repo, &a_oid);
+ b_obj = parse_object(revs->repo, &b_oid);
+ if (!a_obj || !b_obj)
+ return dotdot_missing(arg, dotdot, revs, symmetric);
+
+ if (!symmetric) {
+ /* just A..B */
+ b_flags = flags;
+ a_flags = flags_exclude;
+ } else {
+ /* A...B -- find merge bases between the two */
+ struct commit *a, *b;
+ struct commit_list *exclude;
+
+ a = lookup_commit_reference(revs->repo, &a_obj->oid);
+ b = lookup_commit_reference(revs->repo, &b_obj->oid);
+ if (!a || !b)
+ return dotdot_missing(arg, dotdot, revs, symmetric);
+
+ exclude = get_merge_bases(a, b);
+ add_rev_cmdline_list(revs, exclude, REV_CMD_MERGE_BASE,
+ flags_exclude);
+ add_pending_commit_list(revs, exclude, flags_exclude);
+ free_commit_list(exclude);
+
+ b_flags = flags;
+ a_flags = flags | SYMMETRIC_LEFT;
+ }
+
+ a_obj->flags |= a_flags;
+ b_obj->flags |= b_flags;
+ add_rev_cmdline(revs, a_obj, a_name, REV_CMD_LEFT, a_flags);
+ add_rev_cmdline(revs, b_obj, b_name, REV_CMD_RIGHT, b_flags);
+ add_pending_object_with_path(revs, a_obj, a_name, a_oc->mode, a_oc->path);
+ add_pending_object_with_path(revs, b_obj, b_name, b_oc->mode, b_oc->path);
+ return 0;
+}
+
+static int handle_dotdot(const char *arg,
+ struct rev_info *revs, int flags,
+ int cant_be_filename)
+{
+ struct object_context a_oc, b_oc;
+ char *dotdot = strstr(arg, "..");
+ int ret;
+
+ if (!dotdot)
+ return -1;
+
+ memset(&a_oc, 0, sizeof(a_oc));
+ memset(&b_oc, 0, sizeof(b_oc));
+
+ *dotdot = '\0';
+ ret = handle_dotdot_1(arg, dotdot, revs, flags, cant_be_filename,
+ &a_oc, &b_oc);
+ *dotdot = '.';
+
+ free(a_oc.path);
+ free(b_oc.path);
+
+ return ret;
+}
+
+static int handle_revision_arg_1(const char *arg_, struct rev_info *revs, int flags, unsigned revarg_opt)
{
- unsigned mode;
- char *dotdot;
+ struct object_context oc;
+ char *mark;
struct object *object;
- unsigned char sha1[20];
+ struct object_id oid;
int local_flags;
const char *arg = arg_;
+ int cant_be_filename = revarg_opt & REVARG_CANNOT_BE_FILENAME;
+ unsigned get_sha1_flags = GET_OID_RECORD_PATH;
- dotdot = strstr(arg, "..");
- if (dotdot) {
- unsigned char from_sha1[20];
- const char *next = dotdot + 2;
- const char *this = arg;
- int symmetric = *next == '.';
- unsigned int flags_exclude = flags ^ UNINTERESTING;
- unsigned int a_flags;
-
- *dotdot = 0;
- next += symmetric;
-
- if (!*next)
- next = "HEAD";
- if (dotdot == arg)
- this = "HEAD";
- if (!get_sha1(this, from_sha1) &&
- !get_sha1(next, sha1)) {
- struct commit *a, *b;
- struct commit_list *exclude;
-
- a = lookup_commit_reference(from_sha1);
- b = lookup_commit_reference(sha1);
- if (!a || !b) {
- if (revs->ignore_missing)
- return 0;
- die(symmetric ?
- "Invalid symmetric difference expression %s...%s" :
- "Invalid revision range %s..%s",
- arg, next);
- }
+ flags = flags & UNINTERESTING ? flags | BOTTOM : flags & ~BOTTOM;
- if (!cant_be_filename) {
- *dotdot = '.';
- verify_non_filename(revs->prefix, arg);
- }
+ if (!cant_be_filename && !strcmp(arg, "..")) {
+ /*
+ * Just ".."? That is not a range but the
+ * pathspec for the parent directory.
+ */
+ return -1;
+ }
- if (symmetric) {
- exclude = get_merge_bases(a, b, 1);
- add_pending_commit_list(revs, exclude,
- flags_exclude);
- free_commit_list(exclude);
- a_flags = flags | SYMMETRIC_LEFT;
- } else
- a_flags = flags_exclude;
- a->object.flags |= a_flags;
- b->object.flags |= flags;
- add_rev_cmdline(revs, &a->object, this,
- REV_CMD_LEFT, a_flags);
- add_rev_cmdline(revs, &b->object, next,
- REV_CMD_RIGHT, flags);
- add_pending_object(revs, &a->object, this);
- add_pending_object(revs, &b->object, next);
+ if (!handle_dotdot(arg, revs, flags, revarg_opt))
+ return 0;
+
+ mark = strstr(arg, "^@");
+ if (mark && !mark[2]) {
+ *mark = 0;
+ if (add_parents_only(revs, arg, flags, 0))
return 0;
- }
- *dotdot = '.';
+ *mark = '^';
}
- dotdot = strstr(arg, "^@");
- if (dotdot && !dotdot[2]) {
- *dotdot = 0;
- if (add_parents_only(revs, arg, flags))
- return 0;
- *dotdot = '^';
+ mark = strstr(arg, "^!");
+ if (mark && !mark[2]) {
+ *mark = 0;
+ if (!add_parents_only(revs, arg, flags ^ (UNINTERESTING | BOTTOM), 0))
+ *mark = '^';
}
- dotdot = strstr(arg, "^!");
- if (dotdot && !dotdot[2]) {
- *dotdot = 0;
- if (!add_parents_only(revs, arg, flags ^ UNINTERESTING))
- *dotdot = '^';
+ mark = strstr(arg, "^-");
+ if (mark) {
+ int exclude_parent = 1;
+
+ if (mark[2]) {
+ char *end;
+ exclude_parent = strtoul(mark + 2, &end, 10);
+ if (*end != '\0' || !exclude_parent)
+ return -1;
+ }
+
+ *mark = 0;
+ if (!add_parents_only(revs, arg, flags ^ (UNINTERESTING | BOTTOM), exclude_parent))
+ *mark = '^';
}
local_flags = 0;
if (*arg == '^') {
- local_flags = UNINTERESTING;
+ local_flags = UNINTERESTING | BOTTOM;
arg++;
}
- if (get_sha1_with_mode(arg, sha1, &mode))
+
+ if (revarg_opt & REVARG_COMMITTISH)
+ get_sha1_flags |= GET_OID_COMMITTISH;
+
+ if (get_oid_with_context(revs->repo, arg, get_sha1_flags, &oid, &oc))
return revs->ignore_missing ? 0 : -1;
if (!cant_be_filename)
verify_non_filename(revs->prefix, arg);
- object = get_reference(revs, arg, sha1, flags ^ local_flags);
+ object = get_reference(revs, arg, &oid, flags ^ local_flags);
+ if (!object)
+ return revs->ignore_missing ? 0 : -1;
add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags);
- add_pending_object_with_mode(revs, object, arg, mode);
+ add_pending_object_with_path(revs, object, arg, oc.mode, oc.path);
+ free(oc.path);
return 0;
}
-struct cmdline_pathspec {
- int alloc;
- int nr;
- const char **path;
-};
-
-static void append_prune_data(struct cmdline_pathspec *prune, const char **av)
+int handle_revision_arg(const char *arg, struct rev_info *revs, int flags, unsigned revarg_opt)
{
- while (*av) {
- ALLOC_GROW(prune->path, prune->nr+1, prune->alloc);
- prune->path[prune->nr++] = *(av++);
- }
+ int ret = handle_revision_arg_1(arg, revs, flags, revarg_opt);
+ if (!ret)
+ revs->rev_input_given = 1;
+ return ret;
}
-static void read_pathspec_from_stdin(struct rev_info *revs, struct strbuf *sb,
- struct cmdline_pathspec *prune)
+static void read_pathspec_from_stdin(struct strbuf *sb,
+ struct strvec *prune)
{
- while (strbuf_getwholeline(sb, stdin, '\n') != EOF) {
- int len = sb->len;
- if (len && sb->buf[len - 1] == '\n')
- sb->buf[--len] = '\0';
- ALLOC_GROW(prune->path, prune->nr+1, prune->alloc);
- prune->path[prune->nr++] = xstrdup(sb->buf);
- }
+ while (strbuf_getline(sb, stdin) != EOF)
+ strvec_push(prune, sb->buf);
}
static void read_revisions_from_stdin(struct rev_info *revs,
- struct cmdline_pathspec *prune)
+ struct strvec *prune)
{
struct strbuf sb;
int seen_dashdash = 0;
+ int save_warning;
+
+ save_warning = warn_on_object_refname_ambiguity;
+ warn_on_object_refname_ambiguity = 0;
strbuf_init(&sb, 1000);
- while (strbuf_getwholeline(&sb, stdin, '\n') != EOF) {
+ while (strbuf_getline(&sb, stdin) != EOF) {
int len = sb.len;
- if (len && sb.buf[len - 1] == '\n')
- sb.buf[--len] = '\0';
if (!len)
break;
if (sb.buf[0] == '-') {
}
die("options not supported in --stdin mode");
}
- if (handle_revision_arg(sb.buf, revs, 0, 1))
+ if (handle_revision_arg(sb.buf, revs, 0,
+ REVARG_CANNOT_BE_FILENAME))
die("bad revision '%s'", sb.buf);
}
if (seen_dashdash)
- read_pathspec_from_stdin(revs, &sb, prune);
+ read_pathspec_from_stdin(&sb, prune);
+
strbuf_release(&sb);
+ warn_on_object_refname_ambiguity = save_warning;
}
static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what)
}
static int handle_revision_opt(struct rev_info *revs, int argc, const char **argv,
- int *unkc, const char **unkv)
+ int *unkc, const char **unkv,
+ const struct setup_revision_opt* opt)
{
const char *arg = argv[0];
const char *optarg;
int argcount;
+ const unsigned hexsz = the_hash_algo->hexsz;
/* pseudo revision arguments */
if (!strcmp(arg, "--all") || !strcmp(arg, "--branches") ||
!strcmp(arg, "--tags") || !strcmp(arg, "--remotes") ||
!strcmp(arg, "--reflog") || !strcmp(arg, "--not") ||
!strcmp(arg, "--no-walk") || !strcmp(arg, "--do-walk") ||
- !strcmp(arg, "--bisect") || !prefixcmp(arg, "--glob=") ||
- !prefixcmp(arg, "--branches=") || !prefixcmp(arg, "--tags=") ||
- !prefixcmp(arg, "--remotes="))
+ !strcmp(arg, "--bisect") || starts_with(arg, "--glob=") ||
+ !strcmp(arg, "--indexed-objects") ||
+ !strcmp(arg, "--alternate-refs") ||
+ starts_with(arg, "--exclude=") ||
+ starts_with(arg, "--branches=") || starts_with(arg, "--tags=") ||
+ starts_with(arg, "--remotes=") || starts_with(arg, "--no-walk="))
{
unkv[(*unkc)++] = arg;
return 1;
revs->skip_count = atoi(optarg);
return argcount;
} else if ((*arg == '-') && isdigit(arg[1])) {
- /* accept -<digit>, like traditional "head" */
- revs->max_count = atoi(arg + 1);
+ /* accept -<digit>, like traditional "head" */
+ if (strtol_i(arg + 1, 10, &revs->max_count) < 0 ||
+ revs->max_count < 0)
+ die("'%s': not a non-negative integer", arg + 1);
revs->no_walk = 0;
} else if (!strcmp(arg, "-n")) {
if (argc <= 1)
revs->max_count = atoi(argv[1]);
revs->no_walk = 0;
return 2;
- } else if (!prefixcmp(arg, "-n")) {
- revs->max_count = atoi(arg + 2);
+ } else if (skip_prefix(arg, "-n", &optarg)) {
+ revs->max_count = atoi(optarg);
revs->no_walk = 0;
} else if ((argcount = parse_long_opt("max-age", argv, &optarg))) {
revs->max_age = atoi(optarg);
} else if (!strcmp(arg, "--merge")) {
revs->show_merge = 1;
} else if (!strcmp(arg, "--topo-order")) {
- revs->lifo = 1;
+ revs->sort_order = REV_SORT_IN_GRAPH_ORDER;
revs->topo_order = 1;
} else if (!strcmp(arg, "--simplify-merges")) {
revs->simplify_merges = 1;
+ revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->limited = 1;
} else if (!strcmp(arg, "--simplify-by-decoration")) {
revs->simplify_merges = 1;
+ revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->simplify_by_decoration = 1;
revs->limited = 1;
revs->prune = 1;
- load_ref_decorations(DECORATE_SHORT_REFS);
} else if (!strcmp(arg, "--date-order")) {
- revs->lifo = 0;
+ revs->sort_order = REV_SORT_BY_COMMIT_DATE;
+ revs->topo_order = 1;
+ } else if (!strcmp(arg, "--author-date-order")) {
+ revs->sort_order = REV_SORT_BY_AUTHOR_DATE;
+ revs->topo_order = 1;
+ } else if (!strcmp(arg, "--early-output")) {
+ revs->early_output = 100;
+ revs->topo_order = 1;
+ } else if (skip_prefix(arg, "--early-output=", &optarg)) {
+ if (strtoul_ui(optarg, 10, &revs->early_output) < 0)
+ die("'%s': not a non-negative integer", optarg);
revs->topo_order = 1;
- } else if (!prefixcmp(arg, "--early-output")) {
- int count = 100;
- switch (arg[14]) {
- case '=':
- count = atoi(arg+15);
- /* Fallthrough */
- case 0:
- revs->topo_order = 1;
- revs->early_output = count;
- }
} else if (!strcmp(arg, "--parents")) {
revs->rewrite_parents = 1;
revs->print_parents = 1;
revs->dense = 1;
} else if (!strcmp(arg, "--sparse")) {
revs->dense = 0;
- } else if (!strcmp(arg, "--show-all")) {
- revs->show_all = 1;
+ } else if (!strcmp(arg, "--in-commit-order")) {
+ revs->tree_blobs_in_commit_order = 1;
} else if (!strcmp(arg, "--remove-empty")) {
revs->remove_empty_trees = 1;
} else if (!strcmp(arg, "--merges")) {
revs->min_parents = 2;
} else if (!strcmp(arg, "--no-merges")) {
revs->max_parents = 1;
- } else if (!prefixcmp(arg, "--min-parents=")) {
- revs->min_parents = atoi(arg+14);
- } else if (!prefixcmp(arg, "--no-min-parents")) {
+ } else if (skip_prefix(arg, "--min-parents=", &optarg)) {
+ revs->min_parents = atoi(optarg);
+ } else if (!strcmp(arg, "--no-min-parents")) {
revs->min_parents = 0;
- } else if (!prefixcmp(arg, "--max-parents=")) {
- revs->max_parents = atoi(arg+14);
- } else if (!prefixcmp(arg, "--no-max-parents")) {
+ } else if (skip_prefix(arg, "--max-parents=", &optarg)) {
+ revs->max_parents = atoi(optarg);
+ } else if (!strcmp(arg, "--no-max-parents")) {
revs->max_parents = -1;
} else if (!strcmp(arg, "--boundary")) {
revs->boundary = 1;
revs->tree_objects = 1;
revs->blob_objects = 1;
revs->edge_hint = 1;
+ } else if (!strcmp(arg, "--objects-edge-aggressive")) {
+ revs->tag_objects = 1;
+ revs->tree_objects = 1;
+ revs->blob_objects = 1;
+ revs->edge_hint = 1;
+ revs->edge_hint_aggressive = 1;
} else if (!strcmp(arg, "--verify-objects")) {
revs->tag_objects = 1;
revs->tree_objects = 1;
revs->verify_objects = 1;
} else if (!strcmp(arg, "--unpacked")) {
revs->unpacked = 1;
- } else if (!prefixcmp(arg, "--unpacked=")) {
- die("--unpacked=<packfile> no longer supported.");
+ } else if (starts_with(arg, "--unpacked=")) {
+ die(_("--unpacked=<packfile> no longer supported"));
} else if (!strcmp(arg, "-r")) {
revs->diff = 1;
- DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
+ revs->diffopt.flags.recursive = 1;
} else if (!strcmp(arg, "-t")) {
revs->diff = 1;
- DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
- DIFF_OPT_SET(&revs->diffopt, TREE_IN_RECURSIVE);
+ revs->diffopt.flags.recursive = 1;
+ revs->diffopt.flags.tree_in_recursive = 1;
} else if (!strcmp(arg, "-m")) {
+ /*
+ * To "diff-index", "-m" means "match missing", and to the "log"
+ * family of commands, it means "show full diff for merges". Set
+ * both fields appropriately.
+ */
revs->ignore_merges = 0;
+ revs->match_missing = 1;
+ } else if ((argcount = parse_long_opt("diff-merges", argv, &optarg))) {
+ if (!strcmp(optarg, "off")) {
+ revs->ignore_merges = 1;
+ } else {
+ die(_("unknown value for --diff-merges: %s"), optarg);
+ }
+ return argcount;
+ } else if (!strcmp(arg, "--no-diff-merges")) {
+ revs->ignore_merges = 1;
} else if (!strcmp(arg, "-c")) {
revs->diff = 1;
revs->dense_combined_merges = 0;
revs->combine_merges = 1;
+ } else if (!strcmp(arg, "--combined-all-paths")) {
+ revs->diff = 1;
+ revs->combined_all_paths = 1;
} else if (!strcmp(arg, "--cc")) {
revs->diff = 1;
revs->dense_combined_merges = 1;
} else if (!strcmp(arg, "--pretty")) {
revs->verbose_header = 1;
revs->pretty_given = 1;
- get_commit_format(arg+8, revs);
- } else if (!prefixcmp(arg, "--pretty=") || !prefixcmp(arg, "--format=")) {
+ get_commit_format(NULL, revs);
+ } else if (skip_prefix(arg, "--pretty=", &optarg) ||
+ skip_prefix(arg, "--format=", &optarg)) {
/*
* Detached form ("--pretty X" as opposed to "--pretty=X")
* not allowed, since the argument is optional.
*/
revs->verbose_header = 1;
revs->pretty_given = 1;
- get_commit_format(arg+9, revs);
+ get_commit_format(optarg, revs);
+ } else if (!strcmp(arg, "--expand-tabs")) {
+ revs->expand_tabs_in_log = 8;
+ } else if (!strcmp(arg, "--no-expand-tabs")) {
+ revs->expand_tabs_in_log = 0;
+ } else if (skip_prefix(arg, "--expand-tabs=", &arg)) {
+ int val;
+ if (strtol_i(arg, 10, &val) < 0 || val < 0)
+ die("'%s': not a non-negative integer", arg);
+ revs->expand_tabs_in_log = val;
} else if (!strcmp(arg, "--show-notes") || !strcmp(arg, "--notes")) {
- revs->show_notes = 1;
+ enable_default_display_notes(&revs->notes_opt, &revs->show_notes);
revs->show_notes_given = 1;
- revs->notes_opt.use_default_notes = 1;
} else if (!strcmp(arg, "--show-signature")) {
revs->show_signature = 1;
- } else if (!prefixcmp(arg, "--show-notes=") ||
- !prefixcmp(arg, "--notes=")) {
- struct strbuf buf = STRBUF_INIT;
- revs->show_notes = 1;
+ } else if (!strcmp(arg, "--no-show-signature")) {
+ revs->show_signature = 0;
+ } else if (!strcmp(arg, "--show-linear-break")) {
+ revs->break_bar = " ..........";
+ revs->track_linear = 1;
+ revs->track_first_time = 1;
+ } else if (skip_prefix(arg, "--show-linear-break=", &optarg)) {
+ revs->break_bar = xstrdup(optarg);
+ revs->track_linear = 1;
+ revs->track_first_time = 1;
+ } else if (skip_prefix(arg, "--show-notes=", &optarg) ||
+ skip_prefix(arg, "--notes=", &optarg)) {
+ if (starts_with(arg, "--show-notes=") &&
+ revs->notes_opt.use_default_notes < 0)
+ revs->notes_opt.use_default_notes = 1;
+ enable_ref_display_notes(&revs->notes_opt, &revs->show_notes, optarg);
revs->show_notes_given = 1;
- if (!prefixcmp(arg, "--show-notes")) {
- if (revs->notes_opt.use_default_notes < 0)
- revs->notes_opt.use_default_notes = 1;
- strbuf_addstr(&buf, arg+13);
- }
- else
- strbuf_addstr(&buf, arg+8);
- expand_notes_ref(&buf);
- string_list_append(&revs->notes_opt.extra_notes_refs,
- strbuf_detach(&buf, NULL));
} else if (!strcmp(arg, "--no-notes")) {
- revs->show_notes = 0;
+ disable_display_notes(&revs->notes_opt, &revs->show_notes);
revs->show_notes_given = 1;
- revs->notes_opt.use_default_notes = -1;
- /* we have been strdup'ing ourselves, so trick
- * string_list into free()ing strings */
- revs->notes_opt.extra_notes_refs.strdup_strings = 1;
- string_list_clear(&revs->notes_opt.extra_notes_refs, 0);
- revs->notes_opt.extra_notes_refs.strdup_strings = 0;
} else if (!strcmp(arg, "--standard-notes")) {
revs->show_notes_given = 1;
revs->notes_opt.use_default_notes = 1;
revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->graph = graph_init(revs);
+ } else if (!strcmp(arg, "--encode-email-headers")) {
+ revs->encode_email_headers = 1;
+ } else if (!strcmp(arg, "--no-encode-email-headers")) {
+ revs->encode_email_headers = 0;
} else if (!strcmp(arg, "--root")) {
revs->show_root_diff = 1;
} else if (!strcmp(arg, "--no-commit-id")) {
revs->abbrev = 0;
} else if (!strcmp(arg, "--abbrev")) {
revs->abbrev = DEFAULT_ABBREV;
- } else if (!prefixcmp(arg, "--abbrev=")) {
- revs->abbrev = strtoul(arg + 9, NULL, 10);
+ } else if (skip_prefix(arg, "--abbrev=", &optarg)) {
+ revs->abbrev = strtoul(optarg, NULL, 10);
if (revs->abbrev < MINIMUM_ABBREV)
revs->abbrev = MINIMUM_ABBREV;
- else if (revs->abbrev > 40)
- revs->abbrev = 40;
+ else if (revs->abbrev > hexsz)
+ revs->abbrev = hexsz;
} else if (!strcmp(arg, "--abbrev-commit")) {
revs->abbrev_commit = 1;
revs->abbrev_commit_given = 1;
} else if (!strcmp(arg, "--full-diff")) {
revs->diff = 1;
revs->full_diff = 1;
+ } else if (!strcmp(arg, "--show-pulls")) {
+ revs->show_pulls = 1;
} else if (!strcmp(arg, "--full-history")) {
revs->simplify_history = 0;
} else if (!strcmp(arg, "--relative-date")) {
- revs->date_mode = DATE_RELATIVE;
+ revs->date_mode.type = DATE_RELATIVE;
revs->date_mode_explicit = 1;
} else if ((argcount = parse_long_opt("date", argv, &optarg))) {
- revs->date_mode = parse_date_format(optarg);
+ parse_date_format(optarg, &revs->date_mode);
revs->date_mode_explicit = 1;
return argcount;
} else if (!strcmp(arg, "--log-size")) {
} else if ((argcount = parse_long_opt("committer", argv, &optarg))) {
add_header_grep(revs, GREP_HEADER_COMMITTER, optarg);
return argcount;
+ } else if ((argcount = parse_long_opt("grep-reflog", argv, &optarg))) {
+ add_header_grep(revs, GREP_HEADER_REFLOG, optarg);
+ return argcount;
} else if ((argcount = parse_long_opt("grep", argv, &optarg))) {
add_message_grep(revs, optarg);
return argcount;
+ } else if (!strcmp(arg, "--grep-debug")) {
+ revs->grep_filter.debug = 1;
+ } else if (!strcmp(arg, "--basic-regexp")) {
+ revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_BRE;
} else if (!strcmp(arg, "--extended-regexp") || !strcmp(arg, "-E")) {
- revs->grep_filter.regflags |= REG_EXTENDED;
+ revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_ERE;
} else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {
- revs->grep_filter.regflags |= REG_ICASE;
- DIFF_OPT_SET(&revs->diffopt, PICKAXE_IGNORE_CASE);
+ revs->grep_filter.ignore_case = 1;
+ revs->diffopt.pickaxe_opts |= DIFF_PICKAXE_IGNORE_CASE;
} else if (!strcmp(arg, "--fixed-strings") || !strcmp(arg, "-F")) {
- revs->grep_filter.fixed = 1;
+ revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_FIXED;
+ } else if (!strcmp(arg, "--perl-regexp") || !strcmp(arg, "-P")) {
+ revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_PCRE;
} else if (!strcmp(arg, "--all-match")) {
revs->grep_filter.all_match = 1;
+ } else if (!strcmp(arg, "--invert-grep")) {
+ revs->invert_grep = 1;
} else if ((argcount = parse_long_opt("encoding", argv, &optarg))) {
if (strcmp(optarg, "none"))
git_log_output_encoding = xstrdup(optarg);
revs->limited = 1;
} else if (!strcmp(arg, "--ignore-missing")) {
revs->ignore_missing = 1;
+ } else if (opt && opt->allow_exclude_promisor_objects &&
+ !strcmp(arg, "--exclude-promisor-objects")) {
+ if (fetch_if_missing)
+ BUG("exclude_promisor_objects can only be used when fetch_if_missing is 0");
+ revs->exclude_promisor_objects = 1;
} else {
- int opts = diff_opt_parse(&revs->diffopt, argv, argc);
+ int opts = diff_opt_parse(&revs->diffopt, argv, argc, revs->prefix);
if (!opts)
unkv[(*unkc)++] = arg;
return opts;
}
+ if (revs->graph && revs->track_linear)
+ die("--show-linear-break and --graph are incompatible");
return 1;
}
const char * const usagestr[])
{
int n = handle_revision_opt(revs, ctx->argc, ctx->argv,
- &ctx->cpidx, ctx->out);
+ &ctx->cpidx, ctx->out, NULL);
if (n <= 0) {
error("unknown option `%s'", ctx->argv[0]);
usage_with_options(usagestr, options);
ctx->argc -= n;
}
-static int for_each_bad_bisect_ref(const char *submodule, each_ref_fn fn, void *cb_data)
+static int for_each_bisect_ref(struct ref_store *refs, each_ref_fn fn,
+ void *cb_data, const char *term)
{
- return for_each_ref_in_submodule(submodule, "refs/bisect/bad", fn, cb_data);
+ struct strbuf bisect_refs = STRBUF_INIT;
+ int status;
+ strbuf_addf(&bisect_refs, "refs/bisect/%s", term);
+ status = refs_for_each_fullref_in(refs, bisect_refs.buf, fn, cb_data, 0);
+ strbuf_release(&bisect_refs);
+ return status;
}
-static int for_each_good_bisect_ref(const char *submodule, each_ref_fn fn, void *cb_data)
+static int for_each_bad_bisect_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in_submodule(submodule, "refs/bisect/good", fn, cb_data);
+ return for_each_bisect_ref(refs, fn, cb_data, term_bad);
+}
+
+static int for_each_good_bisect_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
+{
+ return for_each_bisect_ref(refs, fn, cb_data, term_good);
}
static int handle_revision_pseudo_opt(const char *submodule,
- struct rev_info *revs,
- int argc, const char **argv, int *flags)
+ struct rev_info *revs,
+ const char **argv, int *flags)
{
const char *arg = argv[0];
const char *optarg;
+ struct ref_store *refs;
int argcount;
+ if (submodule) {
+ /*
+ * We need some something like get_submodule_worktrees()
+ * before we can go through all worktrees of a submodule,
+ * .e.g with adding all HEADs from --all, which is not
+ * supported right now, so stick to single worktree.
+ */
+ if (!revs->single_worktree)
+ BUG("--single-worktree cannot be used together with submodule");
+ refs = get_submodule_ref_store(submodule);
+ } else
+ refs = get_main_ref_store(revs->repo);
+
/*
* NOTE!
*
* register it in the list at the top of handle_revision_opt.
*/
if (!strcmp(arg, "--all")) {
- handle_refs(submodule, revs, *flags, for_each_ref_submodule);
- handle_refs(submodule, revs, *flags, head_ref_submodule);
+ handle_refs(refs, revs, *flags, refs_for_each_ref);
+ handle_refs(refs, revs, *flags, refs_head_ref);
+ if (!revs->single_worktree) {
+ struct all_refs_cb cb;
+
+ init_all_refs_cb(&cb, revs, *flags);
+ other_head_refs(handle_one_ref, &cb);
+ }
+ clear_ref_exclusion(&revs->ref_excludes);
} else if (!strcmp(arg, "--branches")) {
- handle_refs(submodule, revs, *flags, for_each_branch_ref_submodule);
+ handle_refs(refs, revs, *flags, refs_for_each_branch_ref);
+ clear_ref_exclusion(&revs->ref_excludes);
} else if (!strcmp(arg, "--bisect")) {
- handle_refs(submodule, revs, *flags, for_each_bad_bisect_ref);
- handle_refs(submodule, revs, *flags ^ UNINTERESTING, for_each_good_bisect_ref);
+ read_bisect_terms(&term_bad, &term_good);
+ handle_refs(refs, revs, *flags, for_each_bad_bisect_ref);
+ handle_refs(refs, revs, *flags ^ (UNINTERESTING | BOTTOM),
+ for_each_good_bisect_ref);
revs->bisect = 1;
} else if (!strcmp(arg, "--tags")) {
- handle_refs(submodule, revs, *flags, for_each_tag_ref_submodule);
+ handle_refs(refs, revs, *flags, refs_for_each_tag_ref);
+ clear_ref_exclusion(&revs->ref_excludes);
} else if (!strcmp(arg, "--remotes")) {
- handle_refs(submodule, revs, *flags, for_each_remote_ref_submodule);
+ handle_refs(refs, revs, *flags, refs_for_each_remote_ref);
+ clear_ref_exclusion(&revs->ref_excludes);
} else if ((argcount = parse_long_opt("glob", argv, &optarg))) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
for_each_glob_ref(handle_one_ref, optarg, &cb);
+ clear_ref_exclusion(&revs->ref_excludes);
return argcount;
- } else if (!prefixcmp(arg, "--branches=")) {
+ } else if ((argcount = parse_long_opt("exclude", argv, &optarg))) {
+ add_ref_exclusion(&revs->ref_excludes, optarg);
+ return argcount;
+ } else if (skip_prefix(arg, "--branches=", &optarg)) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, arg + 11, "refs/heads/", &cb);
- } else if (!prefixcmp(arg, "--tags=")) {
+ for_each_glob_ref_in(handle_one_ref, optarg, "refs/heads/", &cb);
+ clear_ref_exclusion(&revs->ref_excludes);
+ } else if (skip_prefix(arg, "--tags=", &optarg)) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, arg + 7, "refs/tags/", &cb);
- } else if (!prefixcmp(arg, "--remotes=")) {
+ for_each_glob_ref_in(handle_one_ref, optarg, "refs/tags/", &cb);
+ clear_ref_exclusion(&revs->ref_excludes);
+ } else if (skip_prefix(arg, "--remotes=", &optarg)) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, arg + 10, "refs/remotes/", &cb);
+ for_each_glob_ref_in(handle_one_ref, optarg, "refs/remotes/", &cb);
+ clear_ref_exclusion(&revs->ref_excludes);
} else if (!strcmp(arg, "--reflog")) {
- handle_reflog(revs, *flags);
+ add_reflogs_to_pending(revs, *flags);
+ } else if (!strcmp(arg, "--indexed-objects")) {
+ add_index_objects_to_pending(revs, *flags);
+ } else if (!strcmp(arg, "--alternate-refs")) {
+ add_alternate_refs_to_pending(revs, *flags);
} else if (!strcmp(arg, "--not")) {
- *flags ^= UNINTERESTING;
+ *flags ^= UNINTERESTING | BOTTOM;
} else if (!strcmp(arg, "--no-walk")) {
- revs->no_walk = 1;
+ revs->no_walk = REVISION_WALK_NO_WALK_SORTED;
+ } else if (skip_prefix(arg, "--no-walk=", &optarg)) {
+ /*
+ * Detached form ("--no-walk X" as opposed to "--no-walk=X")
+ * not allowed, since the argument is optional.
+ */
+ if (!strcmp(optarg, "sorted"))
+ revs->no_walk = REVISION_WALK_NO_WALK_SORTED;
+ else if (!strcmp(optarg, "unsorted"))
+ revs->no_walk = REVISION_WALK_NO_WALK_UNSORTED;
+ else
+ return error("invalid argument to --no-walk");
} else if (!strcmp(arg, "--do-walk")) {
revs->no_walk = 0;
+ } else if (!strcmp(arg, "--single-worktree")) {
+ revs->single_worktree = 1;
} else {
return 0;
}
return 1;
}
+static void NORETURN diagnose_missing_default(const char *def)
+{
+ int flags;
+ const char *refname;
+
+ refname = resolve_ref_unsafe(def, 0, NULL, &flags);
+ if (!refname || !(flags & REF_ISSYMREF) || (flags & REF_ISBROKEN))
+ die(_("your current branch appears to be broken"));
+
+ skip_prefix(refname, "refs/heads/", &refname);
+ die(_("your current branch '%s' does not have any commits yet"),
+ refname);
+}
+
/*
* Parse revision information, filling in the "rev_info" structure,
* and removing the used arguments from the argument list.
*/
int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *opt)
{
- int i, flags, left, seen_dashdash, read_from_stdin, got_rev_arg = 0;
- struct cmdline_pathspec prune_data;
+ int i, flags, left, seen_dashdash, revarg_opt;
+ struct strvec prune_data = STRVEC_INIT;
const char *submodule = NULL;
+ int seen_end_of_options = 0;
- memset(&prune_data, 0, sizeof(prune_data));
if (opt)
submodule = opt->submodule;
argv[i] = NULL;
argc = i;
if (argv[i + 1])
- append_prune_data(&prune_data, argv + i + 1);
+ strvec_pushv(&prune_data, argv + i + 1);
seen_dashdash = 1;
break;
}
/* Second, deal with arguments and options */
flags = 0;
- read_from_stdin = 0;
+ revarg_opt = opt ? opt->revarg_opt : 0;
+ if (seen_dashdash)
+ revarg_opt |= REVARG_CANNOT_BE_FILENAME;
for (left = i = 1; i < argc; i++) {
const char *arg = argv[i];
- if (*arg == '-') {
+ if (!seen_end_of_options && *arg == '-') {
int opts;
opts = handle_revision_pseudo_opt(submodule,
- revs, argc - i, argv + i,
+ revs, argv + i,
&flags);
if (opts > 0) {
i += opts - 1;
argv[left++] = arg;
continue;
}
- if (read_from_stdin++)
+ if (revs->read_from_stdin++)
die("--stdin given twice?");
read_revisions_from_stdin(revs, &prune_data);
continue;
}
- opts = handle_revision_opt(revs, argc - i, argv + i, &left, argv);
+ if (!strcmp(arg, "--end-of-options")) {
+ seen_end_of_options = 1;
+ continue;
+ }
+
+ opts = handle_revision_opt(revs, argc - i, argv + i,
+ &left, argv, opt);
if (opts > 0) {
i += opts - 1;
continue;
continue;
}
- if (handle_revision_arg(arg, revs, flags, seen_dashdash)) {
+
+ if (handle_revision_arg(arg, revs, flags, revarg_opt)) {
int j;
if (seen_dashdash || *arg == '^')
die("bad revision '%s'", arg);
* but the latter we have checked in the main loop.
*/
for (j = i; j < argc; j++)
- verify_filename(revs->prefix, argv[j]);
+ verify_filename(revs->prefix, argv[j], j == i);
- append_prune_data(&prune_data, argv + i);
+ strvec_pushv(&prune_data, argv + i);
break;
}
- else
- got_rev_arg = 1;
}
if (prune_data.nr) {
* call init_pathspec() to set revs->prune_data here.
* }
*/
- ALLOC_GROW(prune_data.path, prune_data.nr+1, prune_data.alloc);
- prune_data.path[prune_data.nr++] = NULL;
- init_pathspec(&revs->prune_data,
- get_pathspec(revs->prefix, prune_data.path));
+ parse_pathspec(&revs->prune_data, 0, 0,
+ revs->prefix, prune_data.v);
}
+ strvec_clear(&prune_data);
if (revs->def == NULL)
revs->def = opt ? opt->def : NULL;
opt->tweak(revs, opt);
if (revs->show_merge)
prepare_show_merge(revs);
- if (revs->def && !revs->pending.nr && !got_rev_arg) {
- unsigned char sha1[20];
+ if (revs->def && !revs->pending.nr && !revs->rev_input_given) {
+ struct object_id oid;
struct object *object;
- unsigned mode;
- if (get_sha1_with_mode(revs->def, sha1, &mode))
- die("bad default revision '%s'", revs->def);
- object = get_reference(revs, revs->def, sha1, 0);
- add_pending_object_with_mode(revs, object, revs->def, mode);
+ struct object_context oc;
+ if (get_oid_with_context(revs->repo, revs->def, 0, &oid, &oc))
+ diagnose_missing_default(revs->def);
+ object = get_reference(revs, revs->def, &oid, 0);
+ add_pending_object_with_mode(revs, object, revs->def, oc.mode);
}
/* Did the user ask for any diff output? Run the diff! */
revs->diff = 1;
/* Pickaxe, diff-filter and rename following need diffs */
- if (revs->diffopt.pickaxe ||
+ if ((revs->diffopt.pickaxe_opts & DIFF_PICKAXE_KINDS_MASK) ||
revs->diffopt.filter ||
- DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
+ revs->diffopt.flags.follow_renames)
revs->diff = 1;
- if (revs->topo_order)
+ if (revs->diffopt.objfind)
+ revs->simplify_history = 0;
+
+ if (revs->line_level_traverse) {
+ if (want_ancestry(revs))
+ revs->limited = 1;
+ revs->topo_order = 1;
+ }
+
+ if (revs->topo_order && !generation_numbers_enabled(the_repository))
revs->limited = 1;
if (revs->prune_data.nr) {
- diff_tree_setup_paths(revs->prune_data.raw, &revs->pruning);
+ copy_pathspec(&revs->pruning.pathspec, &revs->prune_data);
/* Can't prune commits with rename following: the paths change.. */
- if (!DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
+ if (!revs->diffopt.flags.follow_renames)
revs->prune = 1;
if (!revs->full_diff)
- diff_tree_setup_paths(revs->prune_data.raw, &revs->diffopt);
+ copy_pathspec(&revs->diffopt.pathspec,
+ &revs->prune_data);
}
- if (revs->combine_merges)
+ if (revs->combine_merges && revs->ignore_merges < 0)
revs->ignore_merges = 0;
+ if (revs->ignore_merges < 0)
+ revs->ignore_merges = 1;
+ if (revs->combined_all_paths && !revs->combine_merges)
+ die("--combined-all-paths makes no sense without -c or --cc");
+
revs->diffopt.abbrev = revs->abbrev;
- if (diff_setup_done(&revs->diffopt) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&revs->diffopt);
+
+ grep_commit_pattern_type(GREP_PATTERN_TYPE_UNSPECIFIED,
+ &revs->grep_filter);
+ if (!is_encoding_utf8(get_log_output_encoding()))
+ revs->grep_filter.ignore_locale = 1;
compile_grep_patterns(&revs->grep_filter);
if (revs->reverse && revs->reflog_info)
die("cannot combine --reverse with --walk-reflogs");
+ if (revs->reflog_info && revs->limited)
+ die("cannot combine --walk-reflogs with history-limiting options");
if (revs->rewrite_parents && revs->children.name)
die("cannot combine --parents and --children");
if (revs->reflog_info && revs->graph)
die("cannot combine --walk-reflogs with --graph");
+ if (revs->no_walk && revs->graph)
+ die("cannot combine --no-walk with --graph");
+ if (!revs->reflog_info && revs->grep_filter.use_reflog_filter)
+ die("cannot use --grep-reflog without --walk-reflogs");
+
+ if (revs->line_level_traverse &&
+ (revs->diffopt.output_format & ~(DIFF_FORMAT_PATCH | DIFF_FORMAT_NO_OUTPUT)))
+ die(_("-L does not yet support diff formats besides -p and -s"));
+
+ if (revs->expand_tabs_in_log < 0)
+ revs->expand_tabs_in_log = revs->expand_tabs_in_log_default;
return left;
}
l->next = add_decoration(&revs->children, &parent->object, l);
}
-static int remove_duplicate_parents(struct commit *commit)
+static int remove_duplicate_parents(struct rev_info *revs, struct commit *commit)
{
+ struct treesame_state *ts = lookup_decoration(&revs->treesame, &commit->object);
struct commit_list **pp, *p;
int surviving_parents;
/* Examine existing parents while marking ones we have seen... */
pp = &commit->parents;
+ surviving_parents = 0;
while ((p = *pp) != NULL) {
struct commit *parent = p->item;
if (parent->object.flags & TMP_MARK) {
*pp = p->next;
+ if (ts)
+ compact_treesame(revs, commit, surviving_parents);
continue;
}
parent->object.flags |= TMP_MARK;
+ surviving_parents++;
pp = &p->next;
}
- /* count them while clearing the temporary mark */
- surviving_parents = 0;
+ /* clear the temporary mark */
for (p = commit->parents; p; p = p->next) {
p->item->object.flags &= ~TMP_MARK;
- surviving_parents++;
}
+ /* no update_treesame() - removing duplicates can't affect TREESAME */
return surviving_parents;
}
return st;
}
+static int mark_redundant_parents(struct commit *commit)
+{
+ struct commit_list *h = reduce_heads(commit->parents);
+ int i = 0, marked = 0;
+ struct commit_list *po, *pn;
+
+ /* Want these for sanity-checking only */
+ int orig_cnt = commit_list_count(commit->parents);
+ int cnt = commit_list_count(h);
+
+ /*
+ * Not ready to remove items yet, just mark them for now, based
+ * on the output of reduce_heads(). reduce_heads outputs the reduced
+ * set in its original order, so this isn't too hard.
+ */
+ po = commit->parents;
+ pn = h;
+ while (po) {
+ if (pn && po->item == pn->item) {
+ pn = pn->next;
+ i++;
+ } else {
+ po->item->object.flags |= TMP_MARK;
+ marked++;
+ }
+ po=po->next;
+ }
+
+ if (i != cnt || cnt+marked != orig_cnt)
+ die("mark_redundant_parents %d %d %d %d", orig_cnt, cnt, i, marked);
+
+ free_commit_list(h);
+
+ return marked;
+}
+
+static int mark_treesame_root_parents(struct commit *commit)
+{
+ struct commit_list *p;
+ int marked = 0;
+
+ for (p = commit->parents; p; p = p->next) {
+ struct commit *parent = p->item;
+ if (!parent->parents && (parent->object.flags & TREESAME)) {
+ parent->object.flags |= TMP_MARK;
+ marked++;
+ }
+ }
+
+ return marked;
+}
+
+/*
+ * Awkward naming - this means one parent we are TREESAME to.
+ * cf mark_treesame_root_parents: root parents that are TREESAME (to an
+ * empty tree). Better name suggestions?
+ */
+static int leave_one_treesame_to_parent(struct rev_info *revs, struct commit *commit)
+{
+ struct treesame_state *ts = lookup_decoration(&revs->treesame, &commit->object);
+ struct commit *unmarked = NULL, *marked = NULL;
+ struct commit_list *p;
+ unsigned n;
+
+ for (p = commit->parents, n = 0; p; p = p->next, n++) {
+ if (ts->treesame[n]) {
+ if (p->item->object.flags & TMP_MARK) {
+ if (!marked)
+ marked = p->item;
+ } else {
+ if (!unmarked) {
+ unmarked = p->item;
+ break;
+ }
+ }
+ }
+ }
+
+ /*
+ * If we are TREESAME to a marked-for-deletion parent, but not to any
+ * unmarked parents, unmark the first TREESAME parent. This is the
+ * parent that the default simplify_history==1 scan would have followed,
+ * and it doesn't make sense to omit that path when asking for a
+ * simplified full history. Retaining it improves the chances of
+ * understanding odd missed merges that took an old version of a file.
+ *
+ * Example:
+ *
+ * I--------*X A modified the file, but mainline merge X used
+ * \ / "-s ours", so took the version from I. X is
+ * `-*A--' TREESAME to I and !TREESAME to A.
+ *
+ * Default log from X would produce "I". Without this check,
+ * --full-history --simplify-merges would produce "I-A-X", showing
+ * the merge commit X and that it changed A, but not making clear that
+ * it had just taken the I version. With this check, the topology above
+ * is retained.
+ *
+ * Note that it is possible that the simplification chooses a different
+ * TREESAME parent from the default, in which case this test doesn't
+ * activate, and we _do_ drop the default parent. Example:
+ *
+ * I------X A modified the file, but it was reverted in B,
+ * \ / meaning mainline merge X is TREESAME to both
+ * *A-*B parents.
+ *
+ * Default log would produce "I" by following the first parent;
+ * --full-history --simplify-merges will produce "I-A-B". But this is a
+ * reasonable result - it presents a logical full history leading from
+ * I to X, and X is not an important merge.
+ */
+ if (!unmarked && marked) {
+ marked->object.flags &= ~TMP_MARK;
+ return 1;
+ }
+
+ return 0;
+}
+
+static int remove_marked_parents(struct rev_info *revs, struct commit *commit)
+{
+ struct commit_list **pp, *p;
+ int nth_parent, removed = 0;
+
+ pp = &commit->parents;
+ nth_parent = 0;
+ while ((p = *pp) != NULL) {
+ struct commit *parent = p->item;
+ if (parent->object.flags & TMP_MARK) {
+ parent->object.flags &= ~TMP_MARK;
+ *pp = p->next;
+ free(p);
+ removed++;
+ compact_treesame(revs, commit, nth_parent);
+ continue;
+ }
+ pp = &p->next;
+ nth_parent++;
+ }
+
+ /* Removing parents can only increase TREESAMEness */
+ if (removed && !(commit->object.flags & TREESAME))
+ update_treesame(revs, commit);
+
+ return nth_parent;
+}
+
static struct commit_list **simplify_one(struct rev_info *revs, struct commit *commit, struct commit_list **tail)
{
struct commit_list *p;
+ struct commit *parent;
struct merge_simplify_state *st, *pst;
int cnt;
return tail;
}
- /*
- * Do we know what commit all of our parents should be rewritten to?
- * Otherwise we are not ready to rewrite this one yet.
- */
- for (cnt = 0, p = commit->parents; p; p = p->next) {
- pst = locate_simplify_state(revs, p->item);
- if (!pst->simplified) {
- tail = &commit_list_insert(p->item, tail)->next;
- cnt++;
- }
- }
- if (cnt) {
- tail = &commit_list_insert(commit, tail)->next;
- return tail;
+ /*
+ * Do we know what commit all of our parents that matter
+ * should be rewritten to? Otherwise we are not ready to
+ * rewrite this one yet.
+ */
+ for (cnt = 0, p = commit->parents; p; p = p->next) {
+ pst = locate_simplify_state(revs, p->item);
+ if (!pst->simplified) {
+ tail = &commit_list_insert(p->item, tail)->next;
+ cnt++;
+ }
+ if (revs->first_parent_only)
+ break;
+ }
+ if (cnt) {
+ tail = &commit_list_insert(commit, tail)->next;
+ return tail;
+ }
+
+ /*
+ * Rewrite our list of parents. Note that this cannot
+ * affect our TREESAME flags in any way - a commit is
+ * always TREESAME to its simplification.
+ */
+ for (p = commit->parents; p; p = p->next) {
+ pst = locate_simplify_state(revs, p->item);
+ p->item = pst->simplified;
+ if (revs->first_parent_only)
+ break;
+ }
+
+ if (revs->first_parent_only)
+ cnt = 1;
+ else
+ cnt = remove_duplicate_parents(revs, commit);
+
+ /*
+ * It is possible that we are a merge and one side branch
+ * does not have any commit that touches the given paths;
+ * in such a case, the immediate parent from that branch
+ * will be rewritten to be the merge base.
+ *
+ * o----X X: the commit we are looking at;
+ * / / o: a commit that touches the paths;
+ * ---o----'
+ *
+ * Further, a merge of an independent branch that doesn't
+ * touch the path will reduce to a treesame root parent:
+ *
+ * ----o----X X: the commit we are looking at;
+ * / o: a commit that touches the paths;
+ * r r: a root commit not touching the paths
+ *
+ * Detect and simplify both cases.
+ */
+ if (1 < cnt) {
+ int marked = mark_redundant_parents(commit);
+ marked += mark_treesame_root_parents(commit);
+ if (marked)
+ marked -= leave_one_treesame_to_parent(revs, commit);
+ if (marked)
+ cnt = remove_marked_parents(revs, commit);
+ }
+
+ /*
+ * A commit simplifies to itself if it is a root, if it is
+ * UNINTERESTING, if it touches the given paths, or if it is a
+ * merge and its parents don't simplify to one relevant commit
+ * (the first two cases are already handled at the beginning of
+ * this function).
+ *
+ * Otherwise, it simplifies to what its sole relevant parent
+ * simplifies to.
+ */
+ if (!cnt ||
+ (commit->object.flags & UNINTERESTING) ||
+ !(commit->object.flags & TREESAME) ||
+ (parent = one_relevant_parent(revs, commit->parents)) == NULL ||
+ (revs->show_pulls && (commit->object.flags & PULL_MERGE)))
+ st->simplified = commit;
+ else {
+ pst = locate_simplify_state(revs, parent);
+ st->simplified = pst->simplified;
+ }
+ return tail;
+}
+
+static void simplify_merges(struct rev_info *revs)
+{
+ struct commit_list *list, *next;
+ struct commit_list *yet_to_do, **tail;
+ struct commit *commit;
+
+ if (!revs->prune)
+ return;
+
+ /* feed the list reversed */
+ yet_to_do = NULL;
+ for (list = revs->commits; list; list = next) {
+ commit = list->item;
+ next = list->next;
+ /*
+ * Do not free(list) here yet; the original list
+ * is used later in this function.
+ */
+ commit_list_insert(commit, &yet_to_do);
+ }
+ while (yet_to_do) {
+ list = yet_to_do;
+ yet_to_do = NULL;
+ tail = &yet_to_do;
+ while (list) {
+ commit = pop_commit(&list);
+ tail = simplify_one(revs, commit, tail);
+ }
+ }
+
+ /* clean up the result, removing the simplified ones */
+ list = revs->commits;
+ revs->commits = NULL;
+ tail = &revs->commits;
+ while (list) {
+ struct merge_simplify_state *st;
+
+ commit = pop_commit(&list);
+ st = locate_simplify_state(revs, commit);
+ if (st->simplified == commit)
+ tail = &commit_list_insert(commit, tail)->next;
+ }
+}
+
+static void set_children(struct rev_info *revs)
+{
+ struct commit_list *l;
+ for (l = revs->commits; l; l = l->next) {
+ struct commit *commit = l->item;
+ struct commit_list *p;
+
+ for (p = commit->parents; p; p = p->next)
+ add_child(revs, p->item, commit);
+ }
+}
+
+void reset_revision_walk(void)
+{
+ clear_object_flags(SEEN | ADDED | SHOWN | TOPO_WALK_EXPLORED | TOPO_WALK_INDEGREE);
+}
+
+static int mark_uninteresting(const struct object_id *oid,
+ struct packed_git *pack,
+ uint32_t pos,
+ void *cb)
+{
+ struct rev_info *revs = cb;
+ struct object *o = parse_object(revs->repo, oid);
+ o->flags |= UNINTERESTING | SEEN;
+ return 0;
+}
+
+define_commit_slab(indegree_slab, int);
+define_commit_slab(author_date_slab, timestamp_t);
+
+struct topo_walk_info {
+ uint32_t min_generation;
+ struct prio_queue explore_queue;
+ struct prio_queue indegree_queue;
+ struct prio_queue topo_queue;
+ struct indegree_slab indegree;
+ struct author_date_slab author_date;
+};
+
+static inline void test_flag_and_insert(struct prio_queue *q, struct commit *c, int flag)
+{
+ if (c->object.flags & flag)
+ return;
+
+ c->object.flags |= flag;
+ prio_queue_put(q, c);
+}
+
+static void explore_walk_step(struct rev_info *revs)
+{
+ struct topo_walk_info *info = revs->topo_walk_info;
+ struct commit_list *p;
+ struct commit *c = prio_queue_get(&info->explore_queue);
+
+ if (!c)
+ return;
+
+ if (repo_parse_commit_gently(revs->repo, c, 1) < 0)
+ return;
+
+ if (revs->sort_order == REV_SORT_BY_AUTHOR_DATE)
+ record_author_date(&info->author_date, c);
+
+ if (revs->max_age != -1 && (c->date < revs->max_age))
+ c->object.flags |= UNINTERESTING;
+
+ if (process_parents(revs, c, NULL, NULL) < 0)
+ return;
+
+ if (c->object.flags & UNINTERESTING)
+ mark_parents_uninteresting(c);
+
+ for (p = c->parents; p; p = p->next)
+ test_flag_and_insert(&info->explore_queue, p->item, TOPO_WALK_EXPLORED);
+}
+
+static void explore_to_depth(struct rev_info *revs,
+ uint32_t gen_cutoff)
+{
+ struct topo_walk_info *info = revs->topo_walk_info;
+ struct commit *c;
+ while ((c = prio_queue_peek(&info->explore_queue)) &&
+ commit_graph_generation(c) >= gen_cutoff)
+ explore_walk_step(revs);
+}
+
+static void indegree_walk_step(struct rev_info *revs)
+{
+ struct commit_list *p;
+ struct topo_walk_info *info = revs->topo_walk_info;
+ struct commit *c = prio_queue_get(&info->indegree_queue);
+
+ if (!c)
+ return;
+
+ if (repo_parse_commit_gently(revs->repo, c, 1) < 0)
+ return;
+
+ explore_to_depth(revs, commit_graph_generation(c));
+
+ for (p = c->parents; p; p = p->next) {
+ struct commit *parent = p->item;
+ int *pi = indegree_slab_at(&info->indegree, parent);
+
+ if (*pi)
+ (*pi)++;
+ else
+ *pi = 2;
+
+ test_flag_and_insert(&info->indegree_queue, parent, TOPO_WALK_INDEGREE);
+
+ if (revs->first_parent_only)
+ return;
+ }
+}
+
+static void compute_indegrees_to_depth(struct rev_info *revs,
+ uint32_t gen_cutoff)
+{
+ struct topo_walk_info *info = revs->topo_walk_info;
+ struct commit *c;
+ while ((c = prio_queue_peek(&info->indegree_queue)) &&
+ commit_graph_generation(c) >= gen_cutoff)
+ indegree_walk_step(revs);
+}
+
+static void reset_topo_walk(struct rev_info *revs)
+{
+ struct topo_walk_info *info = revs->topo_walk_info;
+
+ clear_prio_queue(&info->explore_queue);
+ clear_prio_queue(&info->indegree_queue);
+ clear_prio_queue(&info->topo_queue);
+ clear_indegree_slab(&info->indegree);
+ clear_author_date_slab(&info->author_date);
+
+ FREE_AND_NULL(revs->topo_walk_info);
+}
+
+static void init_topo_walk(struct rev_info *revs)
+{
+ struct topo_walk_info *info;
+ struct commit_list *list;
+ if (revs->topo_walk_info)
+ reset_topo_walk(revs);
+
+ revs->topo_walk_info = xmalloc(sizeof(struct topo_walk_info));
+ info = revs->topo_walk_info;
+ memset(info, 0, sizeof(struct topo_walk_info));
+
+ init_indegree_slab(&info->indegree);
+ memset(&info->explore_queue, 0, sizeof(info->explore_queue));
+ memset(&info->indegree_queue, 0, sizeof(info->indegree_queue));
+ memset(&info->topo_queue, 0, sizeof(info->topo_queue));
+
+ switch (revs->sort_order) {
+ default: /* REV_SORT_IN_GRAPH_ORDER */
+ info->topo_queue.compare = NULL;
+ break;
+ case REV_SORT_BY_COMMIT_DATE:
+ info->topo_queue.compare = compare_commits_by_commit_date;
+ break;
+ case REV_SORT_BY_AUTHOR_DATE:
+ init_author_date_slab(&info->author_date);
+ info->topo_queue.compare = compare_commits_by_author_date;
+ info->topo_queue.cb_data = &info->author_date;
+ break;
}
- /*
- * Rewrite our list of parents.
- */
- for (p = commit->parents; p; p = p->next) {
- pst = locate_simplify_state(revs, p->item);
- p->item = pst->simplified;
+ info->explore_queue.compare = compare_commits_by_gen_then_commit_date;
+ info->indegree_queue.compare = compare_commits_by_gen_then_commit_date;
+
+ info->min_generation = GENERATION_NUMBER_INFINITY;
+ for (list = revs->commits; list; list = list->next) {
+ struct commit *c = list->item;
+ uint32_t generation;
+
+ if (repo_parse_commit_gently(revs->repo, c, 1))
+ continue;
+
+ test_flag_and_insert(&info->explore_queue, c, TOPO_WALK_EXPLORED);
+ test_flag_and_insert(&info->indegree_queue, c, TOPO_WALK_INDEGREE);
+
+ generation = commit_graph_generation(c);
+ if (generation < info->min_generation)
+ info->min_generation = generation;
+
+ *(indegree_slab_at(&info->indegree, c)) = 1;
+
+ if (revs->sort_order == REV_SORT_BY_AUTHOR_DATE)
+ record_author_date(&info->author_date, c);
}
- cnt = remove_duplicate_parents(commit);
+ compute_indegrees_to_depth(revs, info->min_generation);
- /*
- * It is possible that we are a merge and one side branch
- * does not have any commit that touches the given paths;
- * in such a case, the immediate parents will be rewritten
- * to different commits.
- *
- * o----X X: the commit we are looking at;
- * / / o: a commit that touches the paths;
- * ---o----'
- *
- * Further reduce the parents by removing redundant parents.
- */
- if (1 < cnt) {
- struct commit_list *h = reduce_heads(commit->parents);
- cnt = commit_list_count(h);
- free_commit_list(commit->parents);
- commit->parents = h;
+ for (list = revs->commits; list; list = list->next) {
+ struct commit *c = list->item;
+
+ if (*(indegree_slab_at(&info->indegree, c)) == 1)
+ prio_queue_put(&info->topo_queue, c);
}
/*
- * A commit simplifies to itself if it is a root, if it is
- * UNINTERESTING, if it touches the given paths, or if it is a
- * merge and its parents simplifies to more than one commits
- * (the first two cases are already handled at the beginning of
- * this function).
- *
- * Otherwise, it simplifies to what its sole parent simplifies to.
+ * This is unfortunate; the initial tips need to be shown
+ * in the order given from the revision traversal machinery.
*/
- if (!cnt ||
- (commit->object.flags & UNINTERESTING) ||
- !(commit->object.flags & TREESAME) ||
- (1 < cnt))
- st->simplified = commit;
- else {
- pst = locate_simplify_state(revs, commit->parents->item);
- st->simplified = pst->simplified;
- }
- return tail;
+ if (revs->sort_order == REV_SORT_IN_GRAPH_ORDER)
+ prio_queue_reverse(&info->topo_queue);
}
-static void simplify_merges(struct rev_info *revs)
+static struct commit *next_topo_commit(struct rev_info *revs)
{
- struct commit_list *list;
- struct commit_list *yet_to_do, **tail;
+ struct commit *c;
+ struct topo_walk_info *info = revs->topo_walk_info;
- if (!revs->topo_order)
- sort_in_topological_order(&revs->commits, revs->lifo);
- if (!revs->prune)
- return;
+ /* pop next off of topo_queue */
+ c = prio_queue_get(&info->topo_queue);
- /* feed the list reversed */
- yet_to_do = NULL;
- for (list = revs->commits; list; list = list->next)
- commit_list_insert(list->item, &yet_to_do);
- while (yet_to_do) {
- list = yet_to_do;
- yet_to_do = NULL;
- tail = &yet_to_do;
- while (list) {
- struct commit *commit = list->item;
- struct commit_list *next = list->next;
- free(list);
- list = next;
- tail = simplify_one(revs, commit, tail);
- }
- }
+ if (c)
+ *(indegree_slab_at(&info->indegree, c)) = 0;
- /* clean up the result, removing the simplified ones */
- list = revs->commits;
- revs->commits = NULL;
- tail = &revs->commits;
- while (list) {
- struct commit *commit = list->item;
- struct commit_list *next = list->next;
- struct merge_simplify_state *st;
- free(list);
- list = next;
- st = locate_simplify_state(revs, commit);
- if (st->simplified == commit)
- tail = &commit_list_insert(commit, tail)->next;
- }
+ return c;
}
-static void set_children(struct rev_info *revs)
+static void expand_topo_walk(struct rev_info *revs, struct commit *commit)
{
- struct commit_list *l;
- for (l = revs->commits; l; l = l->next) {
- struct commit *commit = l->item;
- struct commit_list *p;
+ struct commit_list *p;
+ struct topo_walk_info *info = revs->topo_walk_info;
+ if (process_parents(revs, commit, NULL, NULL) < 0) {
+ if (!revs->ignore_missing_links)
+ die("Failed to traverse parents of commit %s",
+ oid_to_hex(&commit->object.oid));
+ }
- for (p = commit->parents; p; p = p->next)
- add_child(revs, p->item, commit);
+ for (p = commit->parents; p; p = p->next) {
+ struct commit *parent = p->item;
+ int *pi;
+ uint32_t generation;
+
+ if (parent->object.flags & UNINTERESTING)
+ continue;
+
+ if (repo_parse_commit_gently(revs->repo, parent, 1) < 0)
+ continue;
+
+ generation = commit_graph_generation(parent);
+ if (generation < info->min_generation) {
+ info->min_generation = generation;
+ compute_indegrees_to_depth(revs, info->min_generation);
+ }
+
+ pi = indegree_slab_at(&info->indegree, parent);
+
+ (*pi)--;
+ if (*pi == 1)
+ prio_queue_put(&info->topo_queue, parent);
+
+ if (revs->first_parent_only)
+ return;
}
}
int prepare_revision_walk(struct rev_info *revs)
{
- int nr = revs->pending.nr;
- struct object_array_entry *e, *list;
+ int i;
+ struct object_array old_pending;
+ struct commit_list **next = &revs->commits;
- e = list = revs->pending.objects;
+ memcpy(&old_pending, &revs->pending, sizeof(old_pending));
revs->pending.nr = 0;
revs->pending.alloc = 0;
revs->pending.objects = NULL;
- while (--nr >= 0) {
- struct commit *commit = handle_commit(revs, e->item, e->name);
+ for (i = 0; i < old_pending.nr; i++) {
+ struct object_array_entry *e = old_pending.objects + i;
+ struct commit *commit = handle_commit(revs, e);
if (commit) {
if (!(commit->object.flags & SEEN)) {
commit->object.flags |= SEEN;
- commit_list_insert_by_date(commit, &revs->commits);
+ next = commit_list_append(commit, next);
}
}
- e++;
}
- if (!revs->leak_pending)
- free(list);
+ object_array_clear(&old_pending);
+ /* Signal whether we need per-parent treesame decoration */
+ if (revs->simplify_merges ||
+ (revs->limited && limiting_can_increase_treesame(revs)))
+ revs->treesame.name = "treesame";
+
+ if (revs->exclude_promisor_objects) {
+ for_each_packed_object(mark_uninteresting, revs,
+ FOR_EACH_OBJECT_PROMISOR_ONLY);
+ }
+
+ if (!revs->reflog_info)
+ prepare_to_use_bloom_filter(revs);
+ if (revs->no_walk != REVISION_WALK_NO_WALK_UNSORTED)
+ commit_list_sort_by_date(&revs->commits);
if (revs->no_walk)
return 0;
- if (revs->limited)
+ if (revs->limited) {
if (limit_list(revs) < 0)
return -1;
- if (revs->topo_order)
- sort_in_topological_order(&revs->commits, revs->lifo);
+ if (revs->topo_order)
+ sort_in_topological_order(&revs->commits, revs->sort_order);
+ } else if (revs->topo_order)
+ init_topo_walk(revs);
+ if (revs->line_level_traverse && want_ancestry(revs))
+ /*
+ * At the moment we can only do line-level log with parent
+ * rewriting by performing this expensive pre-filtering step.
+ * If parent rewriting is not requested, then we rather
+ * perform the line-level log filtering during the regular
+ * history traversal.
+ */
+ line_log_filter(revs);
if (revs->simplify_merges)
simplify_merges(revs);
if (revs->children.name)
set_children(revs);
+
return 0;
}
-enum rewrite_result {
- rewrite_one_ok,
- rewrite_one_noparents,
- rewrite_one_error
-};
-
-static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp)
+static enum rewrite_result rewrite_one_1(struct rev_info *revs,
+ struct commit **pp,
+ struct prio_queue *queue)
{
- struct commit_list *cache = NULL;
-
for (;;) {
struct commit *p = *pp;
if (!revs->limited)
- if (add_parents_to_list(revs, p, &revs->commits, &cache) < 0)
+ if (process_parents(revs, p, NULL, queue) < 0)
return rewrite_one_error;
- if (p->parents && p->parents->next)
- return rewrite_one_ok;
if (p->object.flags & UNINTERESTING)
return rewrite_one_ok;
if (!(p->object.flags & TREESAME))
return rewrite_one_ok;
if (!p->parents)
return rewrite_one_noparents;
- *pp = p->parents->item;
+ if ((p = one_relevant_parent(revs, p->parents)) == NULL)
+ return rewrite_one_ok;
+ *pp = p;
+ }
+}
+
+static void merge_queue_into_list(struct prio_queue *q, struct commit_list **list)
+{
+ while (q->nr) {
+ struct commit *item = prio_queue_peek(q);
+ struct commit_list *p = *list;
+
+ if (p && p->item->date >= item->date)
+ list = &p->next;
+ else {
+ p = commit_list_insert(item, list);
+ list = &p->next; /* skip newly added item */
+ prio_queue_get(q); /* pop item */
+ }
}
}
-static int rewrite_parents(struct rev_info *revs, struct commit *commit)
+static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp)
+{
+ struct prio_queue queue = { compare_commits_by_commit_date };
+ enum rewrite_result ret = rewrite_one_1(revs, pp, &queue);
+ merge_queue_into_list(&queue, &revs->commits);
+ clear_prio_queue(&queue);
+ return ret;
+}
+
+int rewrite_parents(struct rev_info *revs, struct commit *commit,
+ rewrite_parent_fn_t rewrite_parent)
{
struct commit_list **pp = &commit->parents;
while (*pp) {
struct commit_list *parent = *pp;
- switch (rewrite_one(revs, &parent->item)) {
+ switch (rewrite_parent(revs, &parent->item)) {
case rewrite_one_ok:
break;
case rewrite_one_noparents:
}
pp = &parent->next;
}
- remove_duplicate_parents(commit);
+ remove_duplicate_parents(revs, commit);
+ return 0;
+}
+
+static int commit_rewrite_person(struct strbuf *buf, const char *what, struct string_list *mailmap)
+{
+ char *person, *endp;
+ size_t len, namelen, maillen;
+ const char *name;
+ const char *mail;
+ struct ident_split ident;
+
+ person = strstr(buf->buf, what);
+ if (!person)
+ return 0;
+
+ person += strlen(what);
+ endp = strchr(person, '\n');
+ if (!endp)
+ return 0;
+
+ len = endp - person;
+
+ if (split_ident_line(&ident, person, len))
+ return 0;
+
+ mail = ident.mail_begin;
+ maillen = ident.mail_end - ident.mail_begin;
+ name = ident.name_begin;
+ namelen = ident.name_end - ident.name_begin;
+
+ if (map_user(mailmap, &mail, &maillen, &name, &namelen)) {
+ struct strbuf namemail = STRBUF_INIT;
+
+ strbuf_addf(&namemail, "%.*s <%.*s>",
+ (int)namelen, name, (int)maillen, mail);
+
+ strbuf_splice(buf, ident.name_begin - buf->buf,
+ ident.mail_end - ident.name_begin + 1,
+ namemail.buf, namemail.len);
+
+ strbuf_release(&namemail);
+
+ return 1;
+ }
+
return 0;
}
static int commit_match(struct commit *commit, struct rev_info *opt)
{
+ int retval;
+ const char *encoding;
+ const char *message;
+ struct strbuf buf = STRBUF_INIT;
+
if (!opt->grep_filter.pattern_list && !opt->grep_filter.header_list)
return 1;
- return grep_buffer(&opt->grep_filter,
- commit->buffer, strlen(commit->buffer));
+
+ /* Prepend "fake" headers as needed */
+ if (opt->grep_filter.use_reflog_filter) {
+ strbuf_addstr(&buf, "reflog ");
+ get_reflog_message(&buf, opt->reflog_info);
+ strbuf_addch(&buf, '\n');
+ }
+
+ /*
+ * We grep in the user's output encoding, under the assumption that it
+ * is the encoding they are most likely to write their grep pattern
+ * for. In addition, it means we will match the "notes" encoding below,
+ * so we will not end up with a buffer that has two different encodings
+ * in it.
+ */
+ encoding = get_log_output_encoding();
+ message = logmsg_reencode(commit, NULL, encoding);
+
+ /* Copy the commit to temporary if we are using "fake" headers */
+ if (buf.len)
+ strbuf_addstr(&buf, message);
+
+ if (opt->grep_filter.header_list && opt->mailmap) {
+ if (!buf.len)
+ strbuf_addstr(&buf, message);
+
+ commit_rewrite_person(&buf, "\nauthor ", opt->mailmap);
+ commit_rewrite_person(&buf, "\ncommitter ", opt->mailmap);
+ }
+
+ /* Append "fake" message parts as needed */
+ if (opt->show_notes) {
+ if (!buf.len)
+ strbuf_addstr(&buf, message);
+ format_display_notes(&commit->object.oid, &buf, encoding, 1);
+ }
+
+ /*
+ * Find either in the original commit message, or in the temporary.
+ * Note that we cast away the constness of "message" here. It is
+ * const because it may come from the cached commit buffer. That's OK,
+ * because we know that it is modifiable heap memory, and that while
+ * grep_buffer may modify it for speed, it will restore any
+ * changes before returning.
+ */
+ if (buf.len)
+ retval = grep_buffer(&opt->grep_filter, buf.buf, buf.len);
+ else
+ retval = grep_buffer(&opt->grep_filter,
+ (char *)message, strlen(message));
+ strbuf_release(&buf);
+ unuse_commit_buffer(commit, message);
+ return opt->invert_grep ? !retval : retval;
}
-static inline int want_ancestry(struct rev_info *revs)
+static inline int want_ancestry(const struct rev_info *revs)
{
return (revs->rewrite_parents || revs->children.name);
}
+/*
+ * Return a timestamp to be used for --since/--until comparisons for this
+ * commit, based on the revision options.
+ */
+static timestamp_t comparison_date(const struct rev_info *revs,
+ struct commit *commit)
+{
+ return revs->reflog_info ?
+ get_reflog_timestamp(revs->reflog_info) :
+ commit->date;
+}
+
enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit)
{
if (commit->object.flags & SHOWN)
return commit_ignore;
- if (revs->unpacked && has_sha1_pack(commit->object.sha1))
+ if (revs->unpacked && has_object_pack(&commit->object.oid))
return commit_ignore;
- if (revs->show_all)
- return commit_show;
if (commit->object.flags & UNINTERESTING)
return commit_ignore;
- if (revs->min_age != -1 && (commit->date > revs->min_age))
- return commit_ignore;
+ if (revs->line_level_traverse && !want_ancestry(revs)) {
+ /*
+ * In case of line-level log with parent rewriting
+ * prepare_revision_walk() already took care of all line-level
+ * log filtering, and there is nothing left to do here.
+ *
+ * If parent rewriting was not requested, then this is the
+ * place to perform the line-level log filtering. Notably,
+ * this check, though expensive, must come before the other,
+ * cheaper filtering conditions, because the tracked line
+ * ranges must be adjusted even when the commit will end up
+ * being ignored based on other conditions.
+ */
+ if (!line_log_process_ranges_arbitrary_commit(revs, commit))
+ return commit_ignore;
+ }
+ if (revs->min_age != -1 &&
+ comparison_date(revs, commit) > revs->min_age)
+ return commit_ignore;
if (revs->min_parents || (revs->max_parents >= 0)) {
- int n = 0;
- struct commit_list *p;
- for (p = commit->parents; p; p = p->next)
- n++;
+ int n = commit_list_count(commit->parents);
if ((n < revs->min_parents) ||
((revs->max_parents >= 0) && (n > revs->max_parents)))
return commit_ignore;
if (revs->prune && revs->dense) {
/* Commit without changes? */
if (commit->object.flags & TREESAME) {
+ int n;
+ struct commit_list *p;
/* drop merges unless we want parenthood */
if (!want_ancestry(revs))
return commit_ignore;
- /* non-merge - always ignore it */
- if (!commit->parents || !commit->parents->next)
- return commit_ignore;
+
+ if (revs->show_pulls && (commit->object.flags & PULL_MERGE))
+ return commit_show;
+
+ /*
+ * If we want ancestry, then need to keep any merges
+ * between relevant commits to tie together topology.
+ * For consistency with TREESAME and simplification
+ * use "relevant" here rather than just INTERESTING,
+ * to treat bottom commit(s) as part of the topology.
+ */
+ for (n = 0, p = commit->parents; p; p = p->next)
+ if (relevant_commit(p->item))
+ if (++n >= 2)
+ return commit_show;
+ return commit_ignore;
}
}
return commit_show;
}
+define_commit_slab(saved_parents, struct commit_list *);
+
+#define EMPTY_PARENT_LIST ((struct commit_list *)-1)
+
+/*
+ * You may only call save_parents() once per commit (this is checked
+ * for non-root commits).
+ */
+static void save_parents(struct rev_info *revs, struct commit *commit)
+{
+ struct commit_list **pp;
+
+ if (!revs->saved_parents_slab) {
+ revs->saved_parents_slab = xmalloc(sizeof(struct saved_parents));
+ init_saved_parents(revs->saved_parents_slab);
+ }
+
+ pp = saved_parents_at(revs->saved_parents_slab, commit);
+
+ /*
+ * When walking with reflogs, we may visit the same commit
+ * several times: once for each appearance in the reflog.
+ *
+ * In this case, save_parents() will be called multiple times.
+ * We want to keep only the first set of parents. We need to
+ * store a sentinel value for an empty (i.e., NULL) parent
+ * list to distinguish it from a not-yet-saved list, however.
+ */
+ if (*pp)
+ return;
+ if (commit->parents)
+ *pp = copy_commit_list(commit->parents);
+ else
+ *pp = EMPTY_PARENT_LIST;
+}
+
+static void free_saved_parents(struct rev_info *revs)
+{
+ if (revs->saved_parents_slab)
+ clear_saved_parents(revs->saved_parents_slab);
+}
+
+struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit)
+{
+ struct commit_list *parents;
+
+ if (!revs->saved_parents_slab)
+ return commit->parents;
+
+ parents = *saved_parents_at(revs->saved_parents_slab, commit);
+ if (parents == EMPTY_PARENT_LIST)
+ return NULL;
+ return parents;
+}
+
enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
{
enum commit_action action = get_commit_action(revs, commit);
if (action == commit_show &&
- !revs->show_all &&
revs->prune && revs->dense && want_ancestry(revs)) {
- if (rewrite_parents(revs, commit) < 0)
+ /*
+ * --full-diff on simplified parents is no good: it
+ * will show spurious changes from the commits that
+ * were elided. So we save the parents on the side
+ * when --full-diff is in effect.
+ */
+ if (revs->full_diff)
+ save_parents(revs, commit);
+ if (rewrite_parents(revs, commit, rewrite_one) < 0)
return commit_error;
}
return action;
}
+static void track_linear(struct rev_info *revs, struct commit *commit)
+{
+ if (revs->track_first_time) {
+ revs->linear = 1;
+ revs->track_first_time = 0;
+ } else {
+ struct commit_list *p;
+ for (p = revs->previous_parents; p; p = p->next)
+ if (p->item == NULL || /* first commit */
+ oideq(&p->item->object.oid, &commit->object.oid))
+ break;
+ revs->linear = p != NULL;
+ }
+ if (revs->reverse) {
+ if (revs->linear)
+ commit->object.flags |= TRACK_LINEAR;
+ }
+ free_commit_list(revs->previous_parents);
+ revs->previous_parents = copy_commit_list(commit->parents);
+}
+
static struct commit *get_revision_1(struct rev_info *revs)
{
- if (!revs->commits)
- return NULL;
+ while (1) {
+ struct commit *commit;
- do {
- struct commit_list *entry = revs->commits;
- struct commit *commit = entry->item;
+ if (revs->reflog_info)
+ commit = next_reflog_entry(revs->reflog_info);
+ else if (revs->topo_walk_info)
+ commit = next_topo_commit(revs);
+ else
+ commit = pop_commit(&revs->commits);
- revs->commits = entry->next;
- free(entry);
+ if (!commit)
+ return NULL;
- if (revs->reflog_info) {
- fake_reflog_parent(revs->reflog_info, commit);
+ if (revs->reflog_info)
commit->object.flags &= ~(ADDED | SEEN | SHOWN);
- }
/*
* If we haven't done the list limiting, we need to look at
*/
if (!revs->limited) {
if (revs->max_age != -1 &&
- (commit->date < revs->max_age))
+ comparison_date(revs, commit) < revs->max_age)
continue;
- if (add_parents_to_list(revs, commit, &revs->commits, NULL) < 0)
- die("Failed to traverse parents of commit %s",
- sha1_to_hex(commit->object.sha1));
+
+ if (revs->reflog_info)
+ try_to_simplify_commit(revs, commit);
+ else if (revs->topo_walk_info)
+ expand_topo_walk(revs, commit);
+ else if (process_parents(revs, commit, &revs->commits, NULL) < 0) {
+ if (!revs->ignore_missing_links)
+ die("Failed to traverse parents of commit %s",
+ oid_to_hex(&commit->object.oid));
+ }
}
switch (simplify_commit(revs, commit)) {
continue;
case commit_error:
die("Failed to simplify parents of commit %s",
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
default:
+ if (revs->track_linear)
+ track_linear(revs, commit);
return commit;
}
- } while (revs->commits);
- return NULL;
+ }
}
-static void gc_boundary(struct object_array *array)
+/*
+ * Return true for entries that have not yet been shown. (This is an
+ * object_array_each_func_t.)
+ */
+static int entry_unshown(struct object_array_entry *entry, void *cb_data_unused)
{
- unsigned nr = array->nr;
- unsigned alloc = array->alloc;
- struct object_array_entry *objects = array->objects;
+ return !(entry->item->flags & SHOWN);
+}
- if (alloc <= nr) {
- unsigned i, j;
- for (i = j = 0; i < nr; i++) {
- if (objects[i].item->flags & SHOWN)
- continue;
- if (i != j)
- objects[j] = objects[i];
- j++;
- }
- for (i = j; i < nr; i++)
- objects[i].item = NULL;
- array->nr = j;
- }
+/*
+ * If array is on the verge of a realloc, garbage-collect any entries
+ * that have already been shown to try to free up some space.
+ */
+static void gc_boundary(struct object_array *array)
+{
+ if (array->nr == array->alloc)
+ object_array_filter(array, entry_unshown, NULL);
}
static void create_boundary_commit_list(struct rev_info *revs)
* If revs->topo_order is set, sort the boundary commits
* in topological order
*/
- sort_in_topological_order(&revs->commits, revs->lifo);
+ sort_in_topological_order(&revs->commits, revs->sort_order);
}
static struct commit *get_revision_internal(struct rev_info *revs)
}
/*
- * Now pick up what they want to give us
+ * If our max_count counter has reached zero, then we are done. We
+ * don't simply return NULL because we still might need to show
+ * boundary commits. But we want to avoid calling get_revision_1, which
+ * might do a considerable amount of work finding the next commit only
+ * for us to throw it away.
+ *
+ * If it is non-zero, then either we don't have a max_count at all
+ * (-1), or it is still counting, in which case we decrement.
*/
- c = get_revision_1(revs);
- if (c) {
- while (0 < revs->skip_count) {
- revs->skip_count--;
- c = get_revision_1(revs);
- if (!c)
- break;
+ if (revs->max_count) {
+ c = get_revision_1(revs);
+ if (c) {
+ while (revs->skip_count > 0) {
+ revs->skip_count--;
+ c = get_revision_1(revs);
+ if (!c)
+ break;
+ }
}
- }
- /*
- * Check the max_count.
- */
- switch (revs->max_count) {
- case -1:
- break;
- case 0:
- c = NULL;
- break;
- default:
- revs->max_count--;
+ if (revs->max_count > 0)
+ revs->max_count--;
}
if (c)
c->object.flags |= SHOWN;
- if (!revs->boundary) {
+ if (!revs->boundary)
return c;
- }
if (!c) {
/*
if (revs->reverse) {
reversed = NULL;
- while ((c = get_revision_internal(revs))) {
+ while ((c = get_revision_internal(revs)))
commit_list_insert(c, &reversed);
- }
revs->commits = reversed;
revs->reverse = 0;
revs->reverse_output_stage = 1;
}
- if (revs->reverse_output_stage)
- return pop_commit(&revs->commits);
+ if (revs->reverse_output_stage) {
+ c = pop_commit(&revs->commits);
+ if (revs->track_linear)
+ revs->linear = !!(c && c->object.flags & TRACK_LINEAR);
+ return c;
+ }
c = get_revision_internal(revs);
if (c && revs->graph)
graph_update(revs->graph, c);
+ if (!c) {
+ free_saved_parents(revs);
+ if (revs->previous_parents) {
+ free_commit_list(revs->previous_parents);
+ revs->previous_parents = NULL;
+ }
+ }
return c;
}
-char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
+const char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
{
if (commit->object.flags & BOUNDARY)
return "-";
void put_revision_mark(const struct rev_info *revs, const struct commit *commit)
{
- char *mark = get_revision_mark(revs, commit);
+ const char *mark = get_revision_mark(revs, commit);
if (!strlen(mark))
return;
fputs(mark, stdout);
projects / platform / upstream / git.git / blobdiff