From: Eric Sunshine <sunshine@sunshineco.com>
To: Ray Zhang <zhanglei002@gmail.com>
Cc: Git List <git@vger.kernel.org>
Subject: Re: [PATCH v4] worktree: add: introduce --checkout option
Date: Tue, 29 Mar 2016 14:43:30 -0400 [thread overview]
Message-ID: <CAPig+cSgTK3M7UTssiTB_Kc-UgywcbotToD64E6wUWFGDUm1mg@mail.gmail.com> (raw)
In-Reply-To: <CAPig+cSkE-xoaXnXHZHB4xz=ehCR973PaKbZJRyiTvHWn0AyoA@mail.gmail.com>
[re-sending this to the list since it's relevant, and I somehow
accidentally dropped the list]
On Mon, Mar 28, 2016 at 1:13 PM, Eric Sunshine <sunshine@sunshineco.com> wrote:
> On Mon, Mar 28, 2016 at 6:52 AM, Ray Zhang <zhanglei002@gmail.com> wrote:
>> By adding this option which defaults to true, we can use the
>> corresponding --no-checkout to make some customizations before
>> the checkout, like sparse checkout, etc.
>>
>> Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
>> Signed-off-by: Ray Zhang <zhanglei002@gmail.com>
>> ---
>> Changes since last version of this patch[v3]:
>> Documentation/git-worktree.txt: HEAD --> `<branch>`
>> t/t2025-worktree-add.sh: fix style
>
> Thanks, this version addresses the minor issues raised with the previous one.
>
> One observation below...
>
>> diff --git a/builtin/worktree.c b/builtin/worktree.c
>> @@ -284,11 +285,13 @@ static int add_worktree(const char *path, const char *refname,
>> if (ret)
>> goto done;
>>
>> - cp.argv = NULL;
>> - argv_array_clear(&cp.args);
>> - argv_array_pushl(&cp.args, "reset", "--hard", NULL);
>> - cp.env = child_env.argv;
>> - ret = run_command(&cp);
>> + if (opts->checkout) {
>> + cp.argv = NULL;
>> + argv_array_clear(&cp.args);
>> + argv_array_pushl(&cp.args, "reset", "--hard", NULL);
>> + cp.env = child_env.argv;
>> + ret = run_command(&cp);
>> + }
>> if (!ret) {
>> is_junk = 0;
>> free(junk_work_tree);
>
> In the no-checkout case, this code effectively becomes:
>
> ret = run_command("update-ref"/"symbolic-ref");
> if (ret)
> goto done;
> ...
> if (!ret)
> ...free stuff...
> done:
> ...
>
> 'ret' does not change value, so it's a bit odd to have an 'if (ret)'
> conditional immediately followed by an 'if (!ret)'.
>
> It might be cleaner to re-organize the code slightly so that 'if
> (ret)' is used after all run_command()s, and then outdent the "...free
> stuff..." code, like this:
>
> ret = run_command(...);
> if (ret)
> goto done;
> if (checkout) {
> ret = run_command(...)
> if (ret)
> goto done;
> }
> ...free stuff...
> done:
> ...
>
> This is a very minor issue, and I'm not even convinced that the code
> is any clearer this way, so it's not something which should hold up
> this patch. If you try it and find it nicer, then it could be done as
> a follow-on cleanup patch (or a preparatory cleanup patch if you want
> to re-roll, but that's probably not necessary).
>
> I should have mentioned this earlier since I specifically looked for
> it with a previous version of the patch, but unfortunately didn't
> quite spot it. This time I did spot it.
prev parent reply other threads:[~2016-03-29 18:43 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-23 15:08 [PATCH] add option -n (--no-checkout) to git-worktree add Ray Zhang
2016-03-23 15:49 ` Eric Sunshine
2016-03-23 15:51 ` Junio C Hamano
2016-03-23 17:43 ` Eric Sunshine
2016-03-24 6:07 ` [PATCH v2] worktree: add: introduce --checkout option Ray Zhang
2016-03-24 9:16 ` Duy Nguyen
2016-03-24 9:52 ` Zhang Lei
2016-03-25 1:22 ` Eric Sunshine
2016-03-25 1:29 ` Eric Sunshine
2016-03-25 1:49 ` Duy Nguyen
2016-03-25 11:31 ` Zhang Lei
2016-03-25 11:41 ` Duy Nguyen
2016-03-25 12:06 ` Zhang Lei
2016-03-25 12:15 ` Duy Nguyen
2016-03-25 13:02 ` Mike Rappazzo
2016-03-25 1:18 ` Eric Sunshine
2016-03-25 11:25 ` [PATCH v3] " Ray Zhang
2016-03-27 19:49 ` Eric Sunshine
2016-03-28 10:52 ` [PATCH v4] " Ray Zhang
2016-03-28 17:40 ` Junio C Hamano
2016-03-29 10:11 ` [PATCH v5] " Ray Zhang
2016-03-29 10:54 ` John Keeping
2016-03-29 18:04 ` Eric Sunshine
2016-03-29 20:15 ` John Keeping
2016-03-29 20:28 ` Junio C Hamano
2016-03-29 19:20 ` Eric Sunshine
2016-03-30 3:11 ` Zhang Lei
2016-03-30 17:59 ` Eric Sunshine
[not found] ` <CAPig+cSkE-xoaXnXHZHB4xz=ehCR973PaKbZJRyiTvHWn0AyoA@mail.gmail.com>
2016-03-29 18:43 ` Eric Sunshine [this message]
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=CAPig+cSgTK3M7UTssiTB_Kc-UgywcbotToD64E6wUWFGDUm1mg@mail.gmail.com \
--to=sunshine@sunshineco.com \
--cc=git@vger.kernel.org \
--cc=zhanglei002@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).