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From: Phillip Wood <phillip.wood123@gmail.com>
To: Denton Liu <liu.denton@gmail.com>, phillip.wood@dunelm.org.uk
Cc: Git Mailing List <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v3 3/4] cherry-pick/revert: add scissors line on merge conflict
Date: Thu, 7 Mar 2019 18:36:39 +0000	[thread overview]
Message-ID: <8404ea52-6556-1232-176e-f74f8d9583f8@gmail.com> (raw)
In-Reply-To: <20190307175628.GA14130@dev-l>

On 07/03/2019 17:56, Denton Liu wrote:
> Hi Phillip,
> 
> On Thu, Mar 07, 2019 at 03:24:16PM +0000, Phillip Wood wrote:
>> Hi Denton
>>
>> On 07/03/2019 09:58, Denton Liu wrote:
>>> diff --git a/builtin/rebase--helper.c b/builtin/rebase--helper.c
>>> index f7c2a5fdc8..5f1bc9d383 100644
>>> --- a/builtin/rebase--helper.c
>>> +++ b/builtin/rebase--helper.c
>>> @@ -48,10 +48,10 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
>>>  		OPT_END()
>>>  	};
>>> +	opts.action = REPLAY_INTERACTIVE_REBASE;
>>>  	sequencer_init_config(&opts);
>>>  	git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
>>> -	opts.action = REPLAY_INTERACTIVE_REBASE;
>>>  	opts.allow_ff = 1;
>>>  	opts.allow_empty = 1;
>>
>>
>> What are you basing this series on? builtin/rebase--helper.c was removed
>> last September in 34b47315d9 ("rebase -i: move rebase--helper modes to
>> rebase--interactive", 2018-09-27)
> 
> I was basing this patch on the tip of dl/merge-cleanup-scissors-fix. I
> can rebase or merge my work to something else but I'll wait for
> additional directions since I don't know what would be best.

See what Junio says, I think it might be simple enough for him to fix
that up when he merges it into pu.


I've just realized that if you're cherry-picking a range of commits and
it stops for a conflict resolution then the new option is not saved.
You'll need to update populate_opts_cb() and save_opts() in sequencer.c
to do that.

Best Wishes

Phillip


>>> diff --git a/builtin/revert.c b/builtin/revert.c
>>> index 9a66720cfc..fe18036be7 100644
>>> --- a/builtin/revert.c
>>> +++ b/builtin/revert.c
>>> @@ -95,11 +95,13 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
>>>  {
>>>  	const char * const * usage_str = revert_or_cherry_pick_usage(opts);
>>>  	const char *me = action_name(opts);
>>> +	const char *cleanup_arg = NULL;
>>>  	int cmd = 0;
>>>  	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'),
>>>  		OPT_CMDMODE(0, "abort", &cmd, N_("cancel revert or cherry-pick sequence"), 'a'),
>>> +		OPT_STRING(0, "cleanup", &cleanup_arg, N_("default"), N_("how to strip spaces and #comments from message")),
>>>  		OPT_BOOL('n', "no-commit", &opts->no_commit, N_("don't automatically commit")),
>>>  		OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit message")),
>>>  		OPT_NOOP_NOARG('r', NULL),
>>> @@ -136,6 +138,9 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
>>>  	if (opts->keep_redundant_commits)
>>>  		opts->allow_empty = 1;
>>> +	if (cleanup_arg)
>>> +		opts->default_msg_cleanup = get_cleanup_mode(cleanup_arg, 1);
>>> +
>>>  	/* Check for incompatible command line arguments */
>>>  	if (cmd) {
>>>  		char *this_operation;
>>> diff --git a/sequencer.c b/sequencer.c
>>> index 707e72fb39..5c04bae7ac 100644
>>> --- a/sequencer.c
>>> +++ b/sequencer.c
>>> @@ -153,6 +153,11 @@ static GIT_PATH_FUNC(rebase_path_strategy, "rebase-merge/strategy")
>>>  static GIT_PATH_FUNC(rebase_path_strategy_opts, "rebase-merge/strategy_opts")
>>>  static GIT_PATH_FUNC(rebase_path_allow_rerere_autoupdate, "rebase-merge/allow_rerere_autoupdate")
>>> +static inline int is_rebase_i(const struct replay_opts *opts)
>>> +{
>>> +	return opts->action == REPLAY_INTERACTIVE_REBASE;
>>> +}
>>> +
>>
>> This is already in sequencer.c in a different place in recent versions
> 
> I was just moving this function from below here so that the compiler
> would pick it up.
> 
>>
>> Best Wishes
>>
>> Phillip
>>
>>>  static int git_sequencer_config(const char *k, const char *v, void *cb)
>>>  {
>>>  	struct replay_opts *opts = cb;
>>> @@ -165,17 +170,7 @@ static int git_sequencer_config(const char *k, const char *v, void *cb)
>>>  		if (status)
>>>  			return status;
>>> -		if (!strcmp(s, "verbatim"))
>>> -			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_NONE;
>>> -		else if (!strcmp(s, "whitespace"))
>>> -			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SPACE;
>>> -		else if (!strcmp(s, "strip"))
>>> -			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_ALL;
>>> -		else if (!strcmp(s, "scissors"))
>>> -			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SPACE;
>>> -		else
>>> -			warning(_("invalid commit message cleanup mode '%s'"),
>>> -				  s);
>>> +		opts->default_msg_cleanup = get_cleanup_mode(s, !is_rebase_i(opts));
>>>  		free((char *)s);
>>>  		return status;
>>> @@ -199,11 +194,6 @@ void sequencer_init_config(struct replay_opts *opts)
>>>  	git_config(git_sequencer_config, opts);
>>>  }
>>> -static inline int is_rebase_i(const struct replay_opts *opts)
>>> -{
>>> -	return opts->action == REPLAY_INTERACTIVE_REBASE;
>>> -}
>>> -
>>>  static const char *get_dir(const struct replay_opts *opts)
>>>  {
>>>  	if (is_rebase_i(opts))
>>> @@ -516,10 +506,16 @@ enum commit_msg_cleanup_mode get_cleanup_mode(const char *cleanup_arg,
>>>  		die(_("Invalid cleanup mode %s"), cleanup_arg);
>>>  }
>>> -void append_conflicts_hint(struct strbuf *msgbuf)
>>> +void append_conflicts_hint(struct strbuf *msgbuf, enum commit_msg_cleanup_mode cleanup_mode)
>>>  {
>>>  	int i;
>>> +	if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) {
>>> +		strbuf_addch(msgbuf, '\n');
>>> +		wt_status_append_cut_line(msgbuf);
>>> +		strbuf_addch(msgbuf, comment_line_char);
>>> +	}
>>> +
>>>  	strbuf_addch(msgbuf, '\n');
>>>  	strbuf_commented_addf(msgbuf, "Conflicts:\n");
>>>  	for (i = 0; i < active_nr;) {
>>> @@ -586,7 +582,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next,
>>>  			_(action_name(opts)));
>>>  	if (!clean)
>>> -		append_conflicts_hint(msgbuf);
>>> +		append_conflicts_hint(msgbuf, opts->default_msg_cleanup);
>>>  	return !clean;
>>>  }
>>> diff --git a/sequencer.h b/sequencer.h
>>> index 5690e0c27e..aa99503dd7 100644
>>> --- a/sequencer.h
>>> +++ b/sequencer.h
>>> @@ -91,7 +91,8 @@ int rearrange_squash(void);
>>>  extern const char sign_off_header[];
>>>  void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag);
>>> -void append_conflicts_hint(struct strbuf *msgbuf);
>>> +void append_conflicts_hint(struct strbuf *msgbuf,
>>> +		enum commit_msg_cleanup_mode cleanup_mode);
>>>  enum commit_msg_cleanup_mode get_cleanup_mode(const char *cleanup_arg,
>>>  	int use_editor);
>>> diff --git a/t/t3507-cherry-pick-conflict.sh b/t/t3507-cherry-pick-conflict.sh
>>> index 74ff925526..c3894ca9d6 100755
>>> --- a/t/t3507-cherry-pick-conflict.sh
>>> +++ b/t/t3507-cherry-pick-conflict.sh
>>> @@ -189,6 +189,46 @@ test_expect_success 'failed cherry-pick registers participants in index' '
>>>  	test_cmp expected actual
>>>  '
>>> +test_expect_success \
>>> +	'cherry-pick conflict, ensure commit.cleanup = scissors places scissors line properly' '
>>> +	pristine_detach initial &&
>>> +	git config commit.cleanup scissors &&
>>> +	cat <<-EOF >expected &&
>>> +		picked
>>> +
>>> +		# ------------------------ >8 ------------------------
>>> +		# Do not modify or remove the line above.
>>> +		# Everything below it will be ignored.
>>> +		#
>>> +		# Conflicts:
>>> +		#	foo
>>> +		EOF
>>> +
>>> +	test_must_fail git cherry-pick picked &&
>>> +
>>> +	test_i18ncmp expected .git/MERGE_MSG
>>> +'
>>> +
>>> +test_expect_success \
>>> +	'cherry-pick conflict, ensure cleanup=scissors places scissors line properly' '
>>> +	pristine_detach initial &&
>>> +	git config --unset commit.cleanup &&
>>> +	cat <<-EOF >expected &&
>>> +		picked
>>> +
>>> +		# ------------------------ >8 ------------------------
>>> +		# Do not modify or remove the line above.
>>> +		# Everything below it will be ignored.
>>> +		#
>>> +		# Conflicts:
>>> +		#	foo
>>> +		EOF
>>> +
>>> +	test_must_fail git cherry-pick --cleanup=scissors picked &&
>>> +
>>> +	test_i18ncmp expected .git/MERGE_MSG
>>> +'
>>> +
>>>  test_expect_success 'failed cherry-pick describes conflict in work tree' '
>>>  	pristine_detach initial &&
>>>  	cat <<-EOF >expected &&
>>> @@ -335,6 +375,52 @@ test_expect_success 'revert conflict, diff3 -m style' '
>>>  	test_cmp expected actual
>>>  '
>>> +test_expect_success \
>>> +	'revert conflict, ensure commit.cleanup = scissors places scissors line properly' '
>>> +	pristine_detach initial &&
>>> +	git config commit.cleanup scissors &&
>>> +	cat >expected <<-EOF &&
>>> +		Revert "picked"
>>> +
>>> +		This reverts commit OBJID.
>>> +
>>> +		# ------------------------ >8 ------------------------
>>> +		# Do not modify or remove the line above.
>>> +		# Everything below it will be ignored.
>>> +		#
>>> +		# Conflicts:
>>> +		#	foo
>>> +		EOF
>>> +
>>> +	test_must_fail git revert picked &&
>>> +
>>> +	sed "s/$OID_REGEX/OBJID/" .git/MERGE_MSG >actual &&
>>> +	test_i18ncmp expected actual
>>> +'
>>> +
>>> +test_expect_success \
>>> +	'revert conflict, ensure cleanup=scissors places scissors line properly' '
>>> +	pristine_detach initial &&
>>> +	git config --unset commit.cleanup &&
>>> +	cat >expected <<-EOF &&
>>> +		Revert "picked"
>>> +
>>> +		This reverts commit OBJID.
>>> +
>>> +		# ------------------------ >8 ------------------------
>>> +		# Do not modify or remove the line above.
>>> +		# Everything below it will be ignored.
>>> +		#
>>> +		# Conflicts:
>>> +		#	foo
>>> +		EOF
>>> +
>>> +	test_must_fail git revert --cleanup=scissors picked &&
>>> +
>>> +	sed "s/$OID_REGEX/OBJID/" .git/MERGE_MSG >actual &&
>>> +	test_i18ncmp expected actual
>>> +'
>>> +
>>>  test_expect_success 'failed cherry-pick does not forget -s' '
>>>  	pristine_detach initial &&
>>>  	test_must_fail git cherry-pick -s picked &&
>>>
> 
> Thanks,
> 
> Denton
> 


  reply	other threads:[~2019-03-07 18:36 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-06 10:30 [PATCH 0/2] cherry-pick/revert cleanup scissors fix Denton Liu
2019-03-06 10:30 ` [PATCH 1/2] t3507: cleanup space after redirection operators Denton Liu
2019-03-06 10:30 ` [PATCH 2/2] cherry-pick/revert: add scissors line on merge conflict Denton Liu
2019-03-06 16:29   ` Phillip Wood
2019-03-07  0:04     ` Denton Liu
2019-03-07  0:16     ` Denton Liu
2019-03-07  6:44 ` [PATCH v2 0/3] cherry-pick/revert cleanup scissors fix Denton Liu
2019-03-07  6:44   ` [PATCH v2 1/3] t3507: cleanup space after redirection operators Denton Liu
2019-03-07  7:34     ` Junio C Hamano
2019-03-07  6:44   ` [PATCH v2 2/3] cherry-pick/revert: add scissors line on merge conflict Denton Liu
2019-03-07  7:52     ` Junio C Hamano
2019-03-07  9:19       ` Denton Liu
2019-03-07  6:44   ` [PATCH v2 3/3] sequencer.c: don't die on invalid cleanup_arg Denton Liu
2019-03-07  8:01     ` Junio C Hamano
2019-03-07  9:58   ` [PATCH v3 0/4] cherry-pick/revert cleanup scissors fix Denton Liu
2019-03-07  9:58     ` [PATCH v3 1/4] merge-options.txt: correct typo Denton Liu
2019-03-08  3:40       ` Junio C Hamano
2019-03-07  9:58     ` [PATCH v3 2/4] t3507: cleanup space after redirection operators Denton Liu
2019-03-07  9:58     ` [PATCH v3 3/4] cherry-pick/revert: add scissors line on merge conflict Denton Liu
2019-03-07 15:24       ` Phillip Wood
2019-03-07 17:56         ` Denton Liu
2019-03-07 18:36           ` Phillip Wood [this message]
2019-03-08  0:09             ` Junio C Hamano
2019-03-07  9:58     ` [PATCH v3 4/4] sequencer.c: don't die on invalid cleanup_arg Denton Liu
2019-03-07 15:21       ` Phillip Wood

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