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[PATCH v4 2/3] rebase, cherry-pick, revert: run auto maintenance when done

From: Thomas Bachem via GitGitGadget <hidden>
Date: 2026-09-09 08:25:37
Subsystem: the rest · Maintainer: Linus Torvalds

From: Thomas Bachem <redacted>

"git cherry-pick", "git revert" and the merge backend of "git rebase"
create their commits in process, so auto maintenance runs only when
they spawn a command that runs it, like the "git commit" for a
resolved conflict. A sequence thus runs it in the middle, after each
resolution, or never.

Run it once when the sequence is done, like the apply backend does.

The sequencer has no single place where every sequence ends: a
sequence of several commits ends in pick_commits(), a single pick
returns as soon as its commit is made, and "--continue" and "--skip"
have entry points of their own. Run it from the two builtins that
start or continue a sequence instead: run_specific_rebase() once the
sequencer has returned and removed its state directory, and
run_sequencer() after a successful pick, "--continue" or "--skip".

Assisted-by: Claude Fable 5.1
Signed-off-by: Thomas Bachem <redacted>
---
 builtin/rebase.c                | 13 ++++++++++---
 builtin/revert.c                | 19 ++++++++++++-------
 t/t3418-rebase-continue.sh      | 12 ++++++++++++
 t/t3510-cherry-pick-sequence.sh | 23 +++++++++++++++++++++++
 4 files changed, 57 insertions(+), 10 deletions(-)
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 10a306310c..535db60181 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -762,9 +762,16 @@ static int run_specific_rebase(struct rebase_options *opts)
 
 	if (opts->dont_finish_rebase)
 		; /* do nothing */
-	else if (opts->type == REBASE_MERGE)
-		; /* merge backend cleans up after itself */
-	else if (status == 0) {
+	else if (opts->type == REBASE_MERGE) {
+		int quiet = !(opts->flags & (REBASE_NO_QUIET|REBASE_VERBOSE));
+
+		/*
+		 * The sequencer cleans up after itself. Its state directory
+		 * is gone once it is done, and stays while it is stopped.
+		 */
+		if (status == 0 && !is_directory(opts->state_dir))
+			run_auto_maintenance(the_repository, quiet);
+	} else if (status == 0) {
 		if (!file_exists(state_dir_path("stopped-sha", opts)))
 			finish_rebase(opts);
 	} else if (status == 2) {
diff --git a/builtin/revert.c b/builtin/revert.c
index bedc40f368..52100a20cb 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -8,6 +8,7 @@
 #include "gettext.h"
 #include "revision.h"
 #include "rerere.h"
+#include "run-command.h"
 #include "sequencer.h"
 #include "branch.h"
 
@@ -116,7 +117,7 @@ static int run_sequencer(int argc, const char **argv, const char *prefix,
 	const char *strategy = &sentinel_value;
 	const char *gpg_sign = &sentinel_value;
 	enum empty_action empty_opt = EMPTY_COMMIT_UNSPECIFIED;
-	int cmd = 0;
+	int cmd = 0, ret;
 	struct option base_options[] = {
 		OPT_CMDMODE(0, "quit", &cmd, N_("end revert or cherry-pick sequence"), 'q'),
 		OPT_CMDMODE(0, "continue", &cmd, N_("resume revert or cherry-pick sequence"), 'c'),
@@ -264,18 +265,22 @@ static int run_sequencer(int argc, const char **argv, const char *prefix,
 	free(options);
 
 	if (cmd == 'q') {
-		int ret = sequencer_remove_state(opts);
+		ret = sequencer_remove_state(opts);
 		if (!ret)
 			remove_branch_state(the_repository, 0);
 		return ret;
 	}
-	if (cmd == 'c')
-		return sequencer_continue(the_repository, opts);
 	if (cmd == 'a')
 		return sequencer_rollback(the_repository, opts);
-	if (cmd == 's')
-		return sequencer_skip(the_repository, opts);
-	return sequencer_pick_revisions(the_repository, opts);
+	if (cmd == 'c')
+		ret = sequencer_continue(the_repository, opts);
+	else if (cmd == 's')
+		ret = sequencer_skip(the_repository, opts);
+	else
+		ret = sequencer_pick_revisions(the_repository, opts);
+	if (!ret)
+		run_auto_maintenance(the_repository, opts->quiet);
+	return ret;
 }
 
 int cmd_revert(int argc,
diff --git a/t/t3418-rebase-continue.sh b/t/t3418-rebase-continue.sh
index cb5c3a1cb5..025787b5f2 100755
--- a/t/t3418-rebase-continue.sh
+++ b/t/t3418-rebase-continue.sh
@@ -395,4 +395,16 @@ test_orig_head () {
 test_orig_head --apply
 test_orig_head --merge
 
+test_expect_success 'rebase runs auto maintenance once it is done' '
+	git checkout -b auto-maintenance topic &&
+	test_must_fail env GIT_TRACE2_EVENT="$(pwd)/stop.txt" \
+		git rebase -x false main &&
+	test_subcommand_flex ! git maintenance run --auto <stop.txt &&
+	echo resolved >F2 &&
+	git add F2 &&
+	test_must_fail git rebase --continue &&
+	GIT_TRACE2_EVENT="$(pwd)/end.txt" git rebase --continue &&
+	test_subcommand_flex git maintenance run --auto <end.txt
+'
+
 test_done
diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
index 5777dff496..2bea55c3b6 100755
--- a/t/t3510-cherry-pick-sequence.sh
+++ b/t/t3510-cherry-pick-sequence.sh
@@ -721,4 +721,27 @@ test_expect_success 'commit descriptions in insn sheet are optional' '
 	test_line_count = 4 commits
 '
 
+test_expect_success 'cherry-pick runs auto maintenance once it is done' '
+	pristine_detach base &&
+	GIT_TRACE2_EVENT="$(pwd)/single.txt" git cherry-pick picked &&
+	test_subcommand_flex git maintenance run --auto <single.txt &&
+	GIT_TRACE2_EVENT="$(pwd)/sequence.txt" \
+		git cherry-pick anotherpick yetanotherpick &&
+	test_subcommand_flex git maintenance run --auto <sequence.txt &&
+	grep "\"child_start\".*\"maintenance\"" sequence.txt >maintenance &&
+	test_line_count = 1 maintenance
+'
+
+test_expect_success 'cherry-pick runs auto maintenance once a stopped sequence is done' '
+	pristine_detach initial &&
+	test_must_fail env GIT_TRACE2_EVENT="$(pwd)/stop.txt" \
+		git cherry-pick base..anotherpick &&
+	test_subcommand_flex ! git maintenance run --auto <stop.txt &&
+	echo resolved >foo &&
+	git add foo &&
+	test_must_fail git cherry-pick --continue &&
+	GIT_TRACE2_EVENT="$(pwd)/end.txt" git cherry-pick --skip &&
+	test_subcommand_flex git maintenance run --auto <end.txt
+'
+
 test_done
-- 
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