get_ref_dir(): return early if directory cannot be read

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 454674976ea7661b90d46ae5b5698be37b391166..2e1325824c5d1457a3a29fbf2b80661c05f035e6 100644 (file)
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -846,6 +846,8 @@ cat >> "$todo" << EOF
 #  f, fixup = like "squash", but discard this commit's log message
 #  x, exec = run command (the rest of the line) using shell
 #
+# These lines can be re-ordered; they are executed from top to bottom.
+#
 # If you remove a line here THAT COMMIT WILL BE LOST.
 # However, if you remove everything, the rebase will be aborted.
 #