[PATCH 2/2] cherry-pick: fix --quit not deleting CHERRY_PICK_HEAD

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--quit is supposed to be --abort but without restoring HEAD. Leaving
CHERRY_PICK_HEAD behind could make other commands mistake that
cherry-pick is still ongoing (e.g. "git commit --amend" will refuse to
work). Clean it too.

For abort, this job of deleting CHERRY_PICK_HEAD is on "git reset" so
we don't need to do anything else.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/revert.c                | 9 +++++++--
 t/t3510-cherry-pick-sequence.sh | 3 ++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/builtin/revert.c b/builtin/revert.c
index 76f0a35b07..e94a4ead2b 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -7,6 +7,7 @@
 #include "rerere.h"
 #include "dir.h"
 #include "sequencer.h"
+#include "branch.h"
 
 /*
  * This implements the builtins revert and cherry-pick.
@@ -191,8 +192,12 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
 	opts->gpg_sign = xstrdup_or_null(opts->gpg_sign);
 	opts->strategy = xstrdup_or_null(opts->strategy);
 
-	if (cmd == 'q')
-		return sequencer_remove_state(opts);
+	if (cmd == 'q') {
+		int ret = sequencer_remove_state(opts);
+		if (!ret)
+			remove_branch_state(the_repository);
+		return ret;
+	}
 	if (cmd == 'c')
 		return sequencer_continue(opts);
 	if (cmd == 'a')
diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
index 3505b6aa14..9d121f8ce6 100755
--- a/t/t3510-cherry-pick-sequence.sh
+++ b/t/t3510-cherry-pick-sequence.sh
@@ -103,7 +103,8 @@ test_expect_success '--quit cleans up sequencer state' '
 	pristine_detach initial &&
 	test_expect_code 1 git cherry-pick base..picked &&
 	git cherry-pick --quit &&
-	test_path_is_missing .git/sequencer
+	test_path_is_missing .git/sequencer &&
+	test_path_is_missing .git/CHERRY_PICK_HEAD
 '
 
 test_expect_success '--quit keeps HEAD and conflicted index intact' '
-- 
2.18.0.1004.g6639190530




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