git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: Phillip Wood <phillip.wood123@gmail.com>
To: "Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
	"Phillip Wood" <phillip.wood@dunelm.org.uk>
Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Junio C Hamano <gitster@pobox.com>,
	Elijah Newren <newren@gmail.com>,
	Rohit Ashiwal <rohit.ashiwal265@gmail.com>,
	Alban Gruin <alban.gruin@gmail.com>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH v5 4/5] rebase -i: support --ignore-date
Date: Fri, 26 Jun 2020 15:38:38 +0100	[thread overview]
Message-ID: <d0d8dcb2-6714-f0a6-61a3-55c5e0b6ab19@gmail.com> (raw)
In-Reply-To: <20200626140854.GC12504@danh.dev>

Hi Danh

On 26/06/2020 15:09, Đoàn Trần Công Danh wrote:
> On 2020-06-26 10:55:27+0100, Phillip Wood <phillip.wood123@gmail.com> wrote:
>> From: Phillip Wood <phillip.wood@dunelm.org.uk>
>>
>> Rebase is implemented with two different backends - 'apply' and
>> 'merge' each of which support a different set of options. In
>> particular the apply backend supports a number of options implemented
>> by 'git am' that are not implemented in the merge backend. This means
>> that the available options are different depending on which backend is
>> used which is confusing. This patch adds support for the --ignore-date
>> option to the merge backend. This option uses the current time as the
>> author date rather than reusing the original author date when
>> rewriting commits. We take care to handle the combination of
>> --ignore-date and --committer-date-is-author-date in the same way as
>> the apply backend.
>>
>> Original-patch-by: Rohit Ashiwal <rohit.ashiwal265@gmail.com>
>> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
>> ---
>>   Documentation/git-rebase.txt   |  7 +++--
>>   builtin/rebase.c               | 13 +++++---
>>   sequencer.c                    | 50 ++++++++++++++++++++++++++++--
>>   sequencer.h                    |  1 +
>>   t/t3436-rebase-more-options.sh | 56 ++++++++++++++++++++++++++++++++++
>>   5 files changed, 117 insertions(+), 10 deletions(-)
>>
>> diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
>> index dfa70263e6..e2717e20e6 100644
>> --- a/Documentation/git-rebase.txt
>> +++ b/Documentation/git-rebase.txt
>> @@ -450,8 +450,9 @@ See also INCOMPATIBLE OPTIONS below.
>>   	date. This option implies --force-rebase.
>>   
>>   --ignore-date::
>> -	This flag is passed to 'git am' to change the author date
>> -	of each rebased commit (see linkgit:git-am[1]).
>> +	Instead of using the author date of the original commit, use
>> +	the current time as the	author date of the rebased commit.  This
>> +	option implies `--force-rebase`.
>>   +
>>   See also INCOMPATIBLE OPTIONS below.
>>   
>> @@ -589,7 +590,6 @@ INCOMPATIBLE OPTIONS
>>   The following options:
>>   
>>    * --apply
>> - * --ignore-date
>>    * --whitespace
>>    * -C
>>   
>> @@ -617,6 +617,7 @@ In addition, the following pairs of options are incompatible:
>>    * --preserve-merges and --empty=
>>    * --preserve-merges and --ignore-whitespace
>>    * --preserve-merges and --committer-date-is-author-date
>> + * --preserve-merges and --ignore-date
>>    * --keep-base and --onto
>>    * --keep-base and --root
>>   
>> diff --git a/builtin/rebase.c b/builtin/rebase.c
>> index a7c3d5c92b..890dd4c588 100644
>> --- a/builtin/rebase.c
>> +++ b/builtin/rebase.c
>> @@ -89,6 +89,7 @@ struct rebase_options {
>>   	char *gpg_sign_opt;
>>   	int autostash;
>>   	int committer_date_is_author_date;
>> +	int ignore_date;
>>   	char *cmd;
>>   	int allow_empty_message;
>>   	int rebase_merges, rebase_cousins;
>> @@ -127,6 +128,7 @@ static struct replay_opts get_replay_opts(const struct rebase_options *opts)
>>   	replay.reschedule_failed_exec = opts->reschedule_failed_exec;
>>   	replay.committer_date_is_author_date =
>>   					opts->committer_date_is_author_date;
>> +	replay.ignore_date = opts->ignore_date;
>>   	replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt);
>>   	replay.strategy = opts->strategy;
>>   
>> @@ -1503,8 +1505,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
>>   		OPT_BOOL(0, "committer-date-is-author-date",
>>   			 &options.committer_date_is_author_date,
>>   			 N_("make committer date match author date")),
>> -		OPT_PASSTHRU_ARGV(0, "ignore-date", &options.git_am_opts, NULL,
>> -				  N_("passed to 'git am'"), PARSE_OPT_NOARG),
>> +		OPT_BOOL(0, "ignore-date", &options.ignore_date,
>> +			 "ignore author date and use current date"),
> 
> Nit: The options' description is subjected to l10n.
> 
> s/".*"/N_(&)/

Well spotted, thanks

>>   		OPT_PASSTHRU_ARGV('C', NULL, &options.git_am_opts, N_("n"),
>>   				  N_("passed to 'git apply'"), 0),
>>   		OPT_BOOL(0, "ignore-whitespace", &ignore_whitespace,
>> @@ -1797,13 +1799,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
>>   	    options.autosquash) {
>>   		allow_preemptive_ff = 0;
>>   	}
>> -	if (options.committer_date_is_author_date)
>> +	if (options.committer_date_is_author_date || options.ignore_date)
>>   		options.flags |= REBASE_FORCE;
>>   
>>   	for (i = 0; i < options.git_am_opts.argc; i++) {
>>   		const char *option = options.git_am_opts.argv[i], *p;
>> -		if (!strcmp(option, "--ignore-date") ||
>> -		    !strcmp(option, "--whitespace=fix") ||
>> +		if (!strcmp(option, "--whitespace=fix") ||
>>   		    !strcmp(option, "--whitespace=strip"))
>>   			allow_preemptive_ff = 0;
>>   		else if (skip_prefix(option, "-C", &p)) {
>> @@ -1862,6 +1863,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
>>   		if (options.committer_date_is_author_date)
>>   			argv_array_push(&options.git_am_opts,
>>   					"--committer-date-is-author-date");
>> +		if (options.ignore_date)
>> +			argv_array_push(&options.git_am_opts, "--ignore-date");
>>   	} else if (ignore_whitespace) {
>>   			string_list_append (&strategy_options,
>>   					    "ignore-space-change");
>> diff --git a/sequencer.c b/sequencer.c
>> index 29f6d1bc39..f8e1e38623 100644
>> --- a/sequencer.c
>> +++ b/sequencer.c
>> @@ -150,6 +150,7 @@ static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete")
>>    */
>>   static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
>>   static GIT_PATH_FUNC(rebase_path_cdate_is_adate, "rebase-merge/cdate_is_adate")
>> +static GIT_PATH_FUNC(rebase_path_ignore_date, "rebase-merge/ignore_date")
>>   static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
>>   static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose")
>>   static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
>> @@ -889,6 +890,24 @@ static const char *author_date_from_env_array(const struct argv_array *env)
>>   	BUG("GIT_AUTHOR_DATE missing from author script");
>>   }
>>   
>> +/* Construct a free()able author string with current time as the author date */
>> +static char *ignore_author_date(const char *author)
>> +{
>> +	int len = strlen(author);
>> +	struct ident_split ident;
>> +	struct strbuf new_author = STRBUF_INIT;
>> +
>> +	if (split_ident_line(&ident, author, len) < 0) {
>> +		error(_("malformed ident line '%s'"), author);
>> +		return NULL;
>> +	}
>> +
>> +	len = ident.mail_end - ident.name_begin + 1;
>> +	strbuf_addf(&new_author, "%.*s ", len, ident.name_begin);
> 
> I wonder if we can do this instead:
> 
> 	strbuf_add(&new_author, ident.name_begin, len);

There is a space at the end of the format string, which I think is 
needed to separate the name and email from the date we add with 
datestamp() below

Best Wishes

Phillip

> Quick skim through the code and nothing crashes when make test with:
>
> 	CFLAGS="-fstack-clash-protection -D_FORTIFY_SOURCE=2"
> 
> I think it's OK to be changed.
> 
>> +	datestamp(&new_author);
>> +	return strbuf_detach(&new_author, NULL);
>> +}
>> +
> 

  reply	other threads:[~2020-06-26 14:38 UTC|newest]

Thread overview: 130+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-07 14:11 [PATCH 0/6] fixup ra/rebase-i-more-options Phillip Wood
2020-04-07 14:11 ` [PATCH 1/6] Revert "Revert "Merge branch 'ra/rebase-i-more-options'"" Phillip Wood
2020-04-07 15:16   ` Elijah Newren
2020-04-07 18:01     ` Phillip Wood
2020-04-07 21:04     ` Junio C Hamano
2020-04-07 21:31       ` Junio C Hamano
2020-04-12 17:47         ` Johannes Schindelin
2020-04-13  9:58           ` Phillip Wood
2020-04-13 22:05             ` Junio C Hamano
2020-04-07 14:11 ` [PATCH 2/6] t3433: remove loops from tests Phillip Wood
2020-04-07 14:30   ` Elijah Newren
2020-04-07 14:11 ` [PATCH 3/6] t3433: only compare commit dates Phillip Wood
2020-04-07 14:11 ` [PATCH 4/6] rebase -i: fix --committer-date-is-author-date Phillip Wood
2020-04-07 15:05   ` Elijah Newren
2020-04-07 18:11     ` Phillip Wood
2020-04-07 14:11 ` [PATCH 5/6] Revert "sequencer: allow callers of read_author_script() to ignore fields" Phillip Wood
2020-04-07 15:06   ` Elijah Newren
2020-04-07 14:11 ` [PATCH 6/6] t3433: improve coverage Phillip Wood
2020-04-07 15:13   ` Elijah Newren
2020-04-07 18:16     ` Phillip Wood
2020-04-07 15:17 ` [PATCH 0/6] fixup ra/rebase-i-more-options Elijah Newren
2020-04-07 18:18   ` Phillip Wood
2020-04-07 23:04 ` Junio C Hamano
2020-04-29 10:25 ` [PATCH v2 0/5] cleanup ra/rebase-i-more-options Phillip Wood
2020-04-29 10:25   ` [PATCH v2 1/5] rebase -i: add --ignore-whitespace flag Phillip Wood
2020-05-13  3:54     ` Elijah Newren
2020-05-14  9:47       ` Phillip Wood
2020-04-29 10:25   ` [PATCH v2 2/5] rebase -i: support --committer-date-is-author-date Phillip Wood
2020-05-10 11:14     ` Alban Gruin
2020-05-13  4:08     ` Elijah Newren
2020-04-29 10:25   ` [PATCH v2 3/5] sequencer: rename amend_author to author_to_free Phillip Wood
2020-04-29 10:25   ` [PATCH v2 4/5] rebase -i: support --ignore-date Phillip Wood
2020-05-10 11:14     ` Alban Gruin
2020-05-12 14:47       ` Phillip Wood
2020-05-13 15:33         ` Junio C Hamano
2020-05-13  3:54     ` Elijah Newren
2020-04-29 10:25   ` [PATCH v2 5/5] rebase: add --reset-author-date Phillip Wood
2020-04-29 19:59   ` [PATCH v2 0/5] cleanup ra/rebase-i-more-options Junio C Hamano
2020-05-13  3:57     ` Elijah Newren
2020-05-21 10:14 ` [PATCH v3 " Phillip Wood
2020-05-21 10:14   ` [PATCH v3 1/5] rebase -i: add --ignore-whitespace flag Phillip Wood
2020-05-21 10:14   ` [PATCH v3 2/5] rebase -i: support --committer-date-is-author-date Phillip Wood
2020-05-21 10:14   ` [PATCH v3 3/5] sequencer: rename amend_author to author_to_free Phillip Wood
2020-05-21 10:14   ` [PATCH v3 4/5] rebase -i: support --ignore-date Phillip Wood
2020-05-23 12:30     ` Đoàn Trần Công Danh
2020-05-23 15:43       ` Phillip Wood
2020-05-23 15:52         ` Đoàn Trần Công Danh
2020-05-23 18:50           ` Phillip Wood
2020-05-23 23:05             ` Đoàn Trần Công Danh
2020-05-27  9:55               ` Phillip Wood
2020-05-24 16:32           ` Junio C Hamano
2020-05-21 10:14   ` [PATCH v3 5/5] rebase: add --reset-author-date Phillip Wood
2020-05-22 15:54   ` [PATCH v3 0/5] cleanup ra/rebase-i-more-options Elijah Newren
2020-05-23  8:55     ` Phillip Wood
2020-05-23  6:59   ` Johannes Schindelin
2020-05-27 17:33 ` [PATCH v4 " Phillip Wood
2020-05-27 17:33   ` [PATCH v4 1/5] rebase -i: add --ignore-whitespace flag Phillip Wood
2020-05-29  2:38     ` Johannes Schindelin
2020-06-01  9:23       ` Kerry, Richard
2020-06-01 10:26       ` Phillip Wood
2020-06-01 21:03         ` Johannes Schindelin
2020-05-27 17:33   ` [PATCH v4 2/5] rebase -i: support --committer-date-is-author-date Phillip Wood
2020-05-29  2:52     ` Johannes Schindelin
2020-06-01 10:33       ` Phillip Wood
2020-05-27 17:33   ` [PATCH v4 3/5] sequencer: rename amend_author to author_to_free Phillip Wood
2020-05-27 17:33   ` [PATCH v4 4/5] rebase -i: support --ignore-date Phillip Wood
2020-05-27 17:33   ` [PATCH v4 5/5] rebase: add --reset-author-date Phillip Wood
2020-05-27 17:57     ` [PATCH v4 6/5] fixup! " Phillip Wood
2020-05-28 13:17       ` Đoàn Trần Công Danh
2020-05-29  2:59         ` Johannes Schindelin
2020-06-01 10:36           ` Phillip Wood
2020-05-27 21:10   ` [PATCH v4 0/5] cleanup ra/rebase-i-more-options Junio C Hamano
2020-06-26  9:55 ` [PATCH v5 " Phillip Wood
2020-06-26  9:55   ` [PATCH v5 1/5] rebase -i: add --ignore-whitespace flag Phillip Wood
2020-06-26 13:37     ` Đoàn Trần Công Danh
2020-06-26 14:43       ` Phillip Wood
2020-06-26 16:03         ` Junio C Hamano
2020-06-29 14:14         ` Đoàn Trần Công Danh
2020-07-13 10:02           ` Phillip Wood
2020-06-26 15:43     ` Junio C Hamano
2020-06-26  9:55   ` [PATCH v5 2/5] rebase -i: support --committer-date-is-author-date Phillip Wood
2020-06-26  9:55   ` [PATCH v5 3/5] sequencer: rename amend_author to author_to_free Phillip Wood
2020-06-26  9:55   ` [PATCH v5 4/5] rebase -i: support --ignore-date Phillip Wood
2020-06-26 14:09     ` Đoàn Trần Công Danh
2020-06-26 14:38       ` Phillip Wood [this message]
2020-06-26 16:29     ` Junio C Hamano
2020-06-26  9:55   ` [PATCH v5 5/5] rebase: add --reset-author-date Phillip Wood
2020-06-26 16:35     ` Junio C Hamano
2020-06-26 18:07       ` Phillip Wood
2020-06-26 15:04   ` [PATCH v5 0/5] cleanup ra/rebase-i-more-options Junio C Hamano
2020-07-13 10:10 ` [PATCH v6 0/5] fixup ra/rebase-i-more-options Phillip Wood
2020-07-13 10:10   ` [PATCH v6 1/5] rebase -i: add --ignore-whitespace flag Phillip Wood
2020-07-13 10:10   ` [PATCH v6 2/5] rebase -i: support --committer-date-is-author-date Phillip Wood
2020-07-15 14:27     ` Đoàn Trần Công Danh
2020-07-16  8:23       ` Phillip Wood
2020-07-16 13:06         ` Đoàn Trần Công Danh
2020-07-16 15:17           ` Phillip Wood
2020-07-16 17:34             ` Phillip Wood
2020-07-17  0:25               ` Đoàn Trần Công Danh
2020-07-13 10:10   ` [PATCH v6 3/5] sequencer: rename amend_author to author_to_free Phillip Wood
2020-07-13 10:10   ` [PATCH v6 4/5] rebase -i: support --ignore-date Phillip Wood
2020-07-13 10:10   ` [PATCH v6 5/5] rebase: add --reset-author-date Phillip Wood
2020-07-13 15:28   ` [PATCH v6 0/5] fixup ra/rebase-i-more-options Junio C Hamano
2020-07-15  8:55     ` Phillip Wood
2020-07-16 17:32 ` [PATCH v7 0/5] cleanup ra/rebase-i-more-options Phillip Wood
2020-07-16 17:32   ` [PATCH v7 1/5] rebase -i: add --ignore-whitespace flag Phillip Wood
2020-07-16 17:32   ` [PATCH v7 2/5] rebase -i: support --committer-date-is-author-date Phillip Wood
2020-08-13 13:46     ` Johannes Schindelin
2020-07-16 17:32   ` [PATCH v7 3/5] sequencer: rename amend_author to author_to_free Phillip Wood
2020-07-16 17:32   ` [PATCH v7 4/5] rebase -i: support --ignore-date Phillip Wood
2020-08-13 14:07     ` Johannes Schindelin
2020-07-16 17:32   ` [PATCH v7 5/5] rebase: add --reset-author-date Phillip Wood
2020-07-16 17:39   ` [PATCH v7 0/5] cleanup ra/rebase-i-more-options Junio C Hamano
2020-08-13 14:24   ` Johannes Schindelin
2020-08-13 17:46     ` Junio C Hamano
2020-08-13 19:51       ` Phillip Wood
2020-08-17 17:39 ` [PATCH v8 " Phillip Wood
2020-08-17 17:40   ` [PATCH v8 1/5] rebase -i: add --ignore-whitespace flag Phillip Wood
2020-08-17 17:40   ` [PATCH v8 2/5] am: stop exporting GIT_COMMITTER_DATE Phillip Wood
2020-08-17 19:12     ` Junio C Hamano
2020-08-19 10:20       ` Phillip Wood
2020-08-19 15:51         ` Junio C Hamano
2020-08-20 15:23           ` Phillip Wood
2020-08-17 17:40   ` [PATCH v8 3/5] rebase -i: support --committer-date-is-author-date Phillip Wood
2020-08-26 21:41     ` Junio C Hamano
2020-08-17 17:40   ` [PATCH v8 4/5] rebase -i: support --ignore-date Phillip Wood
2020-08-19 10:22     ` Phillip Wood
2020-08-19 22:20       ` Junio C Hamano
2020-08-20 15:16         ` Phillip Wood
2020-08-17 17:40   ` [PATCH v8 5/5] rebase: add --reset-author-date Phillip Wood

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=d0d8dcb2-6714-f0a6-61a3-55c5e0b6ab19@gmail.com \
    --to=phillip.wood123@gmail.com \
    --cc=Johannes.Schindelin@gmx.de \
    --cc=alban.gruin@gmail.com \
    --cc=congdanhqx@gmail.com \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=newren@gmail.com \
    --cc=phillip.wood@dunelm.org.uk \
    --cc=rohit.ashiwal265@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).