Imported Upstream version 2.15.0
[platform/upstream/git.git] / unpack-trees.c
index aa15111..71b70cc 100644 (file)
@@ -1,5 +1,7 @@
 #define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
+#include "repository.h"
+#include "config.h"
 #include "dir.h"
 #include "tree.h"
 #include "tree-walk.h"
@@ -161,7 +163,7 @@ void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
        msgs[ERROR_BIND_OVERLAP] = _("Entry '%s' overlaps with '%s'.  Cannot bind.");
 
        msgs[ERROR_SPARSE_NOT_UPTODATE_FILE] =
-               _("Cannot update sparse checkout: the following entries are not up-to-date:\n%s");
+               _("Cannot update sparse checkout: the following entries are not up to date:\n%s");
        msgs[ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN] =
                _("The following working tree files would be overwritten by sparse checkout update:\n%s");
        msgs[ERROR_WOULD_LOSE_ORPHANED_REMOVED] =
@@ -252,45 +254,43 @@ static int check_submodule_move_head(const struct cache_entry *ce,
                                     const char *new_id,
                                     struct unpack_trees_options *o)
 {
+       unsigned flags = SUBMODULE_MOVE_HEAD_DRY_RUN;
        const struct submodule *sub = submodule_from_ce(ce);
+
        if (!sub)
                return 0;
 
-       switch (sub->update_strategy.type) {
-       case SM_UPDATE_UNSPECIFIED:
-       case SM_UPDATE_CHECKOUT:
-               if (submodule_move_head(ce->name, old_id, new_id, SUBMODULE_MOVE_HEAD_DRY_RUN))
-                       return o->gently ? -1 :
-                               add_rejected_path(o, ERROR_WOULD_LOSE_SUBMODULE, ce->name);
-               return 0;
-       case SM_UPDATE_NONE:
-               return 0;
-       case SM_UPDATE_REBASE:
-       case SM_UPDATE_MERGE:
-       case SM_UPDATE_COMMAND:
-       default:
-               warning(_("submodule update strategy not supported for submodule '%s'"), ce->name);
-               return -1;
-       }
+       if (o->reset)
+               flags |= SUBMODULE_MOVE_HEAD_FORCE;
+
+       if (submodule_move_head(ce->name, old_id, new_id, flags))
+               return o->gently ? -1 :
+                                  add_rejected_path(o, ERROR_WOULD_LOSE_SUBMODULE, ce->name);
+       return 0;
 }
 
-static void reload_gitmodules_file(struct index_state *index,
-                                  struct checkout *state)
+/*
+ * Preform the loading of the repository's gitmodules file.  This function is
+ * used by 'check_update()' to perform loading of the gitmodules file in two
+ * differnt situations:
+ * (1) before removing entries from the working tree if the gitmodules file has
+ *     been marked for removal.  This situation is specified by 'state' == NULL.
+ * (2) before checking out entries to the working tree if the gitmodules file
+ *     has been marked for update.  This situation is specified by 'state' != NULL.
+ */
+static void load_gitmodules_file(struct index_state *index,
+                                struct checkout *state)
 {
-       int i;
-       for (i = 0; i < index->cache_nr; i++) {
-               struct cache_entry *ce = index->cache[i];
-               if (ce->ce_flags & CE_UPDATE) {
-                       int r = strcmp(ce->name, ".gitmodules");
-                       if (r < 0)
-                               continue;
-                       else if (r == 0) {
-                               submodule_free();
-                               checkout_entry(ce, state, NULL);
-                               gitmodules_config();
-                               git_config(submodule_config, NULL);
-                       } else
-                               break;
+       int pos = index_name_pos(index, GITMODULES_FILE, strlen(GITMODULES_FILE));
+
+       if (pos >= 0) {
+               struct cache_entry *ce = index->cache[pos];
+               if (!state && ce->ce_flags & CE_WT_REMOVE) {
+                       repo_read_gitmodules(the_repository);
+               } else if (state && (ce->ce_flags & CE_UPDATE)) {
+                       submodule_free();
+                       checkout_entry(ce, state, NULL);
+                       repo_read_gitmodules(the_repository);
                }
        }
 }
@@ -303,18 +303,9 @@ static void unlink_entry(const struct cache_entry *ce)
 {
        const struct submodule *sub = submodule_from_ce(ce);
        if (sub) {
-               switch (sub->update_strategy.type) {
-               case SM_UPDATE_UNSPECIFIED:
-               case SM_UPDATE_CHECKOUT:
-               case SM_UPDATE_REBASE:
-               case SM_UPDATE_MERGE:
-                       submodule_move_head(ce->name, "HEAD", NULL,
-                                           SUBMODULE_MOVE_HEAD_FORCE);
-                       break;
-               case SM_UPDATE_NONE:
-               case SM_UPDATE_COMMAND:
-                       return; /* Do not touch the submodule. */
-               }
+               /* state.force is set at the caller. */
+               submodule_move_head(ce->name, "HEAD", NULL,
+                                   SUBMODULE_MOVE_HEAD_FORCE);
        }
        if (!check_leading_path(ce->name, ce_namelen(ce)))
                return;
@@ -337,8 +328,7 @@ static struct progress *get_progress(struct unpack_trees_options *o)
                        total++;
        }
 
-       return start_progress_delay(_("Checking out files"),
-                                   total, 50, 1);
+       return start_delayed_progress(_("Checking out files"), total);
 }
 
 static int check_updates(struct unpack_trees_options *o)
@@ -359,6 +349,10 @@ static int check_updates(struct unpack_trees_options *o)
 
        if (o->update)
                git_attr_set_direction(GIT_ATTR_CHECKOUT, index);
+
+       if (should_update_submodules() && o->update && !o->dry_run)
+               load_gitmodules_file(index, NULL);
+
        for (i = 0; i < index->cache_nr; i++) {
                const struct cache_entry *ce = index->cache[i];
 
@@ -372,8 +366,9 @@ static int check_updates(struct unpack_trees_options *o)
        remove_scheduled_dirs();
 
        if (should_update_submodules() && o->update && !o->dry_run)
-               reload_gitmodules_file(index, &state);
+               load_gitmodules_file(index, &state);
 
+       enable_delayed_checkout(&state);
        for (i = 0; i < index->cache_nr; i++) {
                struct cache_entry *ce = index->cache[i];
 
@@ -389,6 +384,7 @@ static int check_updates(struct unpack_trees_options *o)
                }
        }
        stop_progress(&progress);
+       errs |= finish_delayed_checkout(&state);
        if (o->update)
                git_attr_set_direction(GIT_ATTR_CHECKIN, NULL);
        return errs != 0;
@@ -654,10 +650,10 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
                else if (i > 1 && are_same_oid(&names[i], &names[i - 2]))
                        t[i] = t[i - 2];
                else {
-                       const unsigned char *sha1 = NULL;
+                       const struct object_id *oid = NULL;
                        if (dirmask & 1)
-                               sha1 = names[i].oid->hash;
-                       buf[nr_buf++] = fill_tree_descriptor(t+i, sha1);
+                               oid = names[i].oid;
+                       buf[nr_buf++] = fill_tree_descriptor(t + i, oid);
                }
        }
 
@@ -1068,7 +1064,7 @@ static int clear_ce_flags_dir(struct cache_entry **cache, int nr,
        struct cache_entry **cache_end;
        int dtype = DT_DIR;
        int ret = is_excluded_from_list(prefix->buf, prefix->len,
-                                       basename, &dtype, el);
+                                       basename, &dtype, el, &the_index);
        int rc;
 
        strbuf_addch(prefix, '/');
@@ -1171,7 +1167,7 @@ static int clear_ce_flags_1(struct cache_entry **cache, int nr,
                /* Non-directory */
                dtype = ce_to_dtype(ce);
                ret = is_excluded_from_list(ce->name, ce_namelen(ce),
-                                           name, &dtype, el);
+                                           name, &dtype, el, &the_index);
                if (ret < 0)
                        ret = defval;
                if (ret > 0)
@@ -1251,7 +1247,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
                o->skip_sparse_checkout = 1;
        if (!o->skip_sparse_checkout) {
                char *sparse = git_pathdup("info/sparse-checkout");
-               if (add_excludes_from_file_to_list(sparse, "", 0, &el, 0) < 0)
+               if (add_excludes_from_file_to_list(sparse, "", 0, &el, NULL) < 0)
                        o->skip_sparse_checkout = 1;
                else
                        o->el = &el;
@@ -1391,6 +1387,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
                                                  WRITE_TREE_SILENT |
                                                  WRITE_TREE_REPAIR);
                }
+               move_index_extensions(&o->result, o->dst_index);
                discard_index(o->dst_index);
                *o->dst_index = o->result;
        } else {
@@ -1592,7 +1589,7 @@ static int verify_clean_subdirectory(const struct cache_entry *ce,
        memset(&d, 0, sizeof(d));
        if (o->dir)
                d.exclude_per_dir = o->dir->exclude_per_dir;
-       i = read_directory(&d, pathbuf, namelen+1, NULL);
+       i = read_directory(&d, &the_index, pathbuf, namelen+1, NULL);
        if (i)
                return o->gently ? -1 :
                        add_rejected_path(o, ERROR_NOT_UPTODATE_DIR, ce->name);
@@ -1634,7 +1631,7 @@ static int check_ok_to_remove(const char *name, int len, int dtype,
                return 0;
 
        if (o->dir &&
-           is_excluded(o->dir, name, &dtype))
+           is_excluded(o->dir, &the_index, name, &dtype))
                /*
                 * ce->name is explicitly excluded, so it is Ok to
                 * overwrite it.