diff options
| -rw-r--r-- | revision.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/revision.c b/revision.c index 5184716bf0..33ee9ee3b2 100644 --- a/revision.c +++ b/revision.c @@ -1308,6 +1308,25 @@ static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp } } +static void remove_duplicate_parents(struct commit *commit) +{ + struct commit_list *p; + struct commit_list **pp = &commit->parents; + + /* Examine existing parents while marking ones we have seen... */ + for (p = commit->parents; p; p = p->next) { + struct commit *parent = p->item; + if (parent->object.flags & TMP_MARK) + continue; + parent->object.flags |= TMP_MARK; + *pp = p; + pp = &p->next; + } + /* ... and clear the temporary mark */ + for (p = commit->parents; p; p = p->next) + p->item->object.flags &= ~TMP_MARK; +} + static int rewrite_parents(struct rev_info *revs, struct commit *commit) { struct commit_list **pp = &commit->parents; @@ -1324,6 +1343,7 @@ static int rewrite_parents(struct rev_info *revs, struct commit *commit) } pp = &parent->next; } + remove_duplicate_parents(commit); return 0; } |