diff options
Diffstat (limited to 'builtin/pull.c')
-rw-r--r-- | builtin/pull.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/builtin/pull.c b/builtin/pull.c index d6e46ee6d0..3ecb881b0b 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -857,10 +857,24 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (merge_heads.nr > 1) die(_("Cannot merge multiple branches into empty head.")); return pull_into_void(*merge_heads.sha1, curr_head); - } else if (opt_rebase) { - if (merge_heads.nr > 1) - die(_("Cannot rebase onto multiple branches.")); + } + if (opt_rebase && merge_heads.nr > 1) + die(_("Cannot rebase onto multiple branches.")); + + if (opt_rebase) { + struct commit_list *list = NULL; + struct commit *merge_head, *head; + + head = lookup_commit_reference(orig_head); + commit_list_insert(head, &list); + merge_head = lookup_commit_reference(merge_heads.sha1[0]); + if (is_descendant_of(merge_head, list)) { + /* we can fast-forward this without invoking rebase */ + opt_ff = "--ff-only"; + return run_merge(); + } return run_rebase(curr_head, *merge_heads.sha1, rebase_fork_point); - } else + } else { return run_merge(); + } } |