[PATCH 3/3] rebase: fix rebase to use full ref to find fork-point

[Alex Torok <alext9@gmail.com>]

rebase --fork-point needs to look up the full ref name before calling
get_fork_point in the same manner that merge-base --fork-point does.

Signed-off-by: Alex Torok <alext9@gmail.com>
---
 builtin/rebase.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/builtin/rebase.c b/builtin/rebase.c
index e755087b0f..821994f676 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1980,8 +1980,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 		struct commit *head =
 			lookup_commit_reference(the_repository,
 						&options.orig_head);
+		char * full_name;
+		dwim_ref_or_die(options.upstream_name, strlen(options.upstream_name), &full_name);
 		options.restrict_revision =
-			get_fork_point(options.upstream_name, head);
+			get_fork_point(full_name, head);
 	}
 
 	if (repo_read_index(the_repository) < 0)
-- 
2.17.1