rebase --apply: don't run post-checkout hook if there is an error

The hook should only be run if the worktree and refs were successfully
updated. This primarily affects "rebase --apply" but also "rebase
--merge" when it fast-forwards.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/reset.c b/reset.c
index 3e7b9e2e13..3537de91f6 100644
--- a/reset.c
+++ b/reset.c
@@ -126,7 +126,7 @@ reset_head_refs:
 			ret = create_symref("HEAD", switch_to_branch,
 					    reflog_head);
 	}
-	if (run_hook)
+	if (!ret && run_hook)
 		run_hook_le(NULL, "post-checkout",
 			    oid_to_hex(head ? head : null_oid()),
 			    oid_to_hex(oid), "1", NULL);