packaging: Add contrib installation

[platform/upstream/git.git] / line-log.c

diff --git a/line-log.c b/line-log.c
index 40e1738..75c8b1a 100644 (file)
--- a/line-log.c
+++ b/line-log.c
@@ -14,7 +14,8 @@
 #include "graph.h"
 #include "userdiff.h"
 #include "line-log.h"
-#include "argv-array.h"
+#include "strvec.h"
+#include "bloom.h"
 
 static void range_set_grow(struct range_set *rs, size_t extra)
 {
@@ -480,7 +481,7 @@ static struct commit *check_single_commit(struct rev_info *revs)
                if (obj->flags & UNINTERESTING)
                        continue;
                obj = deref_tag(revs->repo, obj, NULL, 0);
-               if (obj->type != OBJ_COMMIT)
+               if (!obj || obj->type != OBJ_COMMIT)
                        die("Non commit %s?", revs->pending.objects[i].name);
                if (commit)
                        die("More than one commit to dig from: %s and %s?",
@@ -757,12 +758,12 @@ static void parse_pathspec_from_ranges(struct pathspec *pathspec,
                                       struct line_log_data *range)
 {
        struct line_log_data *r;
-       struct argv_array array = ARGV_ARRAY_INIT;
+       struct strvec array = STRVEC_INIT;
        const char **paths;
 
        for (r = range; r; r = r->next)
-               argv_array_push(&array, r->path);
-       paths = argv_array_detach(&array);
+               strvec_push(&array, r->path);
+       paths = strvec_detach(&array);
 
        parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL, "", paths);
        /* strings are now owned by pathspec */
@@ -1146,6 +1147,37 @@ int line_log_print(struct rev_info *rev, struct commit *commit)
        return 1;
 }
 
+static int bloom_filter_check(struct rev_info *rev,
+                             struct commit *commit,
+                             struct line_log_data *range)
+{
+       struct bloom_filter *filter;
+       struct bloom_key key;
+       int result = 0;
+
+       if (!commit->parents)
+               return 1;
+
+       if (!rev->bloom_filter_settings ||
+           !(filter = get_bloom_filter(rev->repo, commit)))
+               return 1;
+
+       if (!range)
+               return 0;
+
+       while (!result && range) {
+               fill_bloom_key(range->path, strlen(range->path), &key, rev->bloom_filter_settings);
+
+               if (bloom_filter_contains(filter, &key, rev->bloom_filter_settings))
+                       result = 1;
+
+               clear_bloom_key(&key);
+               range = range->next;
+       }
+
+       return result;
+}
+
 static int process_ranges_ordinary_commit(struct rev_info *rev, struct commit *commit,
                                          struct line_log_data *range)
 {
@@ -1159,6 +1191,7 @@ static int process_ranges_ordinary_commit(struct rev_info *rev, struct commit *c
 
        queue_diffs(range, &rev->diffopt, &queue, commit, parent);
        changed = process_all_files(&parent_range, rev, &queue, range);
+
        if (parent)
                add_line_range(rev, parent, parent_range);
        free_line_log_data(parent_range);
@@ -1227,13 +1260,17 @@ static int process_ranges_merge_commit(struct rev_info *rev, struct commit *comm
        /* NEEDSWORK leaking like a sieve */
 }
 
-static int process_ranges_arbitrary_commit(struct rev_info *rev, struct commit *commit)
+int line_log_process_ranges_arbitrary_commit(struct rev_info *rev, struct commit *commit)
 {
        struct line_log_data *range = lookup_line_range(rev, commit);
        int changed = 0;
 
        if (range) {
-               if (!commit->parents || !commit->parents->next)
+               if (commit->parents && !bloom_filter_check(rev, commit, range)) {
+                       struct line_log_data *prange = line_log_data_copy(range);
+                       add_line_range(rev, commit->parents->item, prange);
+                       clear_commit_line_range(rev, commit);
+               } else if (!commit->parents || !commit->parents->next)
                        changed = process_ranges_ordinary_commit(rev, commit, range);
                else
                        changed = process_ranges_merge_commit(rev, commit, range);
@@ -1270,7 +1307,7 @@ int line_log_filter(struct rev_info *rev)
        while (list) {
                struct commit_list *to_free = NULL;
                commit = list->item;
-               if (process_ranges_arbitrary_commit(rev, commit)) {
+               if (line_log_process_ranges_arbitrary_commit(rev, commit)) {
                        *pp = list;
                        pp = &list->next;
                } else