replace: cleanup redirection style in tests

diff --git a/commit.c b/commit.c
index 4ff8077dbfbc6cdd6c14728a3d33a78d075c236f..94b1af9392bcfee0e6a6127e4da530531671b711 100644 (file)
--- 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)) ||