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-rw-r--r--commit.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/commit.c b/commit.c
index 4ff8077dbf..94b1af9392 100644
--- a/commit.c
+++ b/commit.c
@@ -1316,6 +1316,19 @@ struct commit_extra_header *read_commit_extra_headers(struct commit *commit,
return extra;
}
+void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data)
+{
+ struct commit_extra_header *extra, *to_free;
+
+ to_free = read_commit_extra_headers(commit, NULL);
+ for (extra = to_free; extra; extra = extra->next) {
+ if (strcmp(extra->key, "mergetag"))
+ continue; /* not a merge tag */
+ fn(commit, extra, data);
+ }
+ free_commit_extra_headers(to_free);
+}
+
static inline int standard_header_field(const char *field, size_t len)
{
return ((len == 4 && !memcmp(field, "tree ", 5)) ||