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-rw-r--r--revision.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/revision.c b/revision.c
index b6ed0149a5..ad78efda51 100644
--- a/revision.c
+++ b/revision.c
@@ -477,6 +477,36 @@ static void handle_all(struct rev_info *revs, unsigned flags)
for_each_ref(handle_one_ref);
}
+static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
+{
+ unsigned char sha1[20];
+ struct object *it;
+ struct commit *commit;
+ struct commit_list *parents;
+
+ if (*arg == '^') {
+ flags ^= UNINTERESTING;
+ arg++;
+ }
+ if (get_sha1(arg, sha1))
+ return 0;
+ while (1) {
+ it = get_reference(revs, arg, sha1, 0);
+ if (strcmp(it->type, tag_type))
+ break;
+ memcpy(sha1, ((struct tag*)it)->tagged->sha1, 20);
+ }
+ if (strcmp(it->type, commit_type))
+ return 0;
+ commit = (struct commit *)it;
+ for (parents = commit->parents; parents; parents = parents->next) {
+ it = &parents->item->object;
+ it->flags |= flags;
+ add_pending_object(revs, it, arg);
+ }
+ return 1;
+}
+
void init_revisions(struct rev_info *revs)
{
memset(revs, 0, sizeof(*revs));
@@ -751,6 +781,13 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
}
*dotdot = '.';
}
+ dotdot = strstr(arg, "^@");
+ if (dotdot && !dotdot[2]) {
+ *dotdot = 0;
+ if (add_parents_only(revs, arg, flags))
+ continue;
+ *dotdot = '^';
+ }
local_flags = 0;
if (*arg == '^') {
local_flags = UNINTERESTING;