Merge branch 'pw/rebase-abort-clean-rewritten' into jch

"git rebase --abort" used to leave refs/rewritten/ when concluding
"git rebase -r", which has been corrected.

* pw/rebase-abort-clean-rewritten:
  rebase --abort: cleanup refs/rewritten

Author: gitster

builtin/rebase.c

@@ -747,9 +747,16 @@ static int finish_rebase(struct rebase_options *opts)
 	 * user should see them.
 	 */
 	run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
-	strbuf_addstr(&dir, opts->state_dir);
-	remove_dir_recursively(&dir, 0);
-	strbuf_release(&dir);
+	if (opts->type == REBASE_INTERACTIVE) {
+		struct replay_opts replay = REPLAY_OPTS_INIT;
+
+		replay.action = REPLAY_INTERACTIVE_REBASE;
+		sequencer_remove_state(&replay);
+	} else {
+		strbuf_addstr(&dir, opts->state_dir);
+		remove_dir_recursively(&dir, 0);
+		strbuf_release(&dir);
+	}
 
 	return 0;
 }

t/t3430-rebase-merges.sh

@@ -224,6 +224,14 @@ test_expect_success 'refs/rewritten/* is worktree-local' '
 	test_cmp_rev HEAD "$(cat wt/b)"
 '
 
+test_expect_success '--abort cleans up refs/rewritten' '
+	git checkout -b abort-cleans-refs-rewritten H &&
+	GIT_SEQUENCE_EDITOR="echo break >>" git rebase -ir @^ &&
+	git rev-parse --verify refs/rewritten/onto &&
+	git rebase --abort &&
+	test_must_fail git rev-parse --verify refs/rewritten/onto
+'
+
 test_expect_success 'post-rewrite hook and fixups work for merges' '
 	git checkout -b post-rewrite &&
 	test_commit same1 &&