From: "SZEDER Gábor" <szeder.dev@gmail.com>
To: Phillip Wood <phillip.wood@dunelm.org.uk>
Cc: Git Mailing List <git@vger.kernel.org>,
Johannes Schindelin <Johannes.Schindelin@gmx.de>,
Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH] rebase --abort: cleanup refs/rewritten
Date: Tue, 7 May 2019 17:15:31 +0200 [thread overview]
Message-ID: <20190507151530.GO14763@szeder.dev> (raw)
In-Reply-To: <20190426103212.8097-1-phillip.wood123@gmail.com>
On Fri, Apr 26, 2019 at 11:32:12AM +0100, Phillip Wood wrote:
> From: Phillip Wood <phillip.wood@dunelm.org.uk>
>
> When `rebase -r` finishes it removes any refs under refs/rewritten
> that it has created. However if the rebase is aborted these refs are
> not removed. This can cause problems for future rebases. For example I
> recently wanted to merge a updated version of a topic branch into an
> integration branch so ran `rebase -ir` and removed the picks and label
> for the topic branch from the todo list so that
> merge -C <old-merge> topic
> would pick up the new version of topic. Unfortunately
> refs/rewritten/topic already existed from a previous rebase that had
> been aborted so the rebase just used the old topic, not the new one.
>
> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
> ---
>
> Notes:
> This is based on pw/rebase-i-internal, it would be nicer to base it on
> maint but there are function name clashes adding sequencer.h to rebase.c
> an maint. Those clashes are fixed in pw/rebase-i-internal
>
> builtin/rebase.c | 13 ++++++++++---
> t/t3430-rebase-merges.sh | 8 ++++++++
> 2 files changed, 18 insertions(+), 3 deletions(-)
>
> diff --git a/builtin/rebase.c b/builtin/rebase.c
> index 82bd50a1b4..e2e49c8239 100644
> --- a/builtin/rebase.c
> +++ b/builtin/rebase.c
> @@ -761,9 +761,16 @@ 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;
This patch and the topic 'pw/rebase-abort-clean-rewritten' can't be
compiled on its own, because it starts using 'struct replay_opts'
here, which is defined in 'sequencer.h', but 'builtin/rebase.c'
doesn't include that header yet. (Though 'pu' already builds fine,
because commit 0609b741a4 (rebase -i: combine rebase--interactive.c
with rebase.c, 2019-04-17) in the parallel topic
'pw/rebase-i-internal' adds the necessary #include.)
So, to keep future bisects from potentially tipping over the compiler
error, this patch should either #include "sequencer.h", or be applied
on top of 'pw/rebase-i-internal'.
> +
> + 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;
> }
> diff --git a/t/t3430-rebase-merges.sh b/t/t3430-rebase-merges.sh
> index 4c69255ee6..6ebebf7098 100755
> --- a/t/t3430-rebase-merges.sh
> +++ b/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 &&
> --
> 2.21.0
>
next prev parent reply other threads:[~2019-05-07 15:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-26 10:32 [PATCH] rebase --abort: cleanup refs/rewritten Phillip Wood
2019-04-29 16:07 ` Johannes Schindelin
2019-04-30 8:54 ` Phillip Wood
2019-04-30 22:49 ` Johannes Schindelin
2019-05-01 15:36 ` Phillip Wood
2019-05-03 9:21 ` Johannes Schindelin
2019-05-03 10:06 ` Phillip Wood
2019-05-07 15:15 ` SZEDER Gábor [this message]
2019-05-07 16:07 ` Junio C Hamano
2019-05-07 20:06 ` Phillip Wood
2019-05-14 18:03 ` [PATCH v2 0/4] rebase --abort/--quit: " Phillip Wood
2019-05-14 18:03 ` [PATCH v2 1/4] rebase: fix a memory leak Phillip Wood
2019-05-14 18:03 ` [PATCH v2 2/4] rebase: warn if state directory cannot be removed Phillip Wood
2019-05-14 18:03 ` [PATCH v2 3/4] sequencer: return errors from sequencer_remove_state() Phillip Wood
2019-05-14 18:03 ` [PATCH v2 4/4] rebase --abort/--quit: cleanup refs/rewritten Phillip Wood
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