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From: Felipe Contreras <felipe.contreras@gmail.com>
To: Philippe Blain via GitGitGadget <gitgitgadget@gmail.com>,
	git@vger.kernel.org
Cc: Denton Liu <liu.denton@gmail.com>,
	Felipe Contreras <felipe.contreras@gmail.com>,
	Philippe Blain <levraiphilippeblain@gmail.com>
Subject: RE: [PATCH 0/4] [RFC] merge --autostash: apply autostash in more cases
Date: Fri, 23 Jul 2021 11:10:40 -0500	[thread overview]
Message-ID: <60faea007b6ce_defb20871@natae.notmuch> (raw)
In-Reply-To: <pull.1002.git.1627042470.gitgitgadget@gmail.com>

Philippe Blain via GitGitGadget wrote:
> This series aims to apply the stash created by 'git merge --autostash' in 2
> situations that were not covered by the code:
> 
>  1. If the merge is fast-forward but the fast-forward operation fails -
>     PATCH 3/4
>  2. If the merge strategy completely fails to handle the merge (exit code 2)
>     - PATCH 4/4
> 
> The first 2 commits are small improvements that I noticed while implementing
> the other two.
> 
> I'm marking it [RFC] because I'm not 100% sure that trying to apply the
> autostash in 3/4 and 4/4 is actually the best course of action (or if it
> would be better to call 'save_autostash' instead). That's because:
> 
> For 3/4 (fast-forward fails): I'm not sure if 'unpack_trees' (called by
> 'checkout_fast_forward') is guaranteed to fail atomically, or it might fail
> mid-way and leave the worktree unclean, in which case it might be better not
> to apply the autostash, but just save it instead (and tell the user). In the
> test case I'm adding, it does fail before starting to update the working
> tree, but I'm not sure if it's always the case.

I'm not familiar with unpack_trees, but sans that possibility the whole
series looks fine to me.

-- 
Felipe Contreras

      parent reply	other threads:[~2021-07-23 16:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-23 12:14 [PATCH 0/4] [RFC] merge --autostash: apply autostash in more cases Philippe Blain via GitGitGadget
2021-07-23 12:14 ` [PATCH 1/4] merge: add missing word "strategy" to a message Philippe Blain via GitGitGadget
2021-07-23 15:57   ` Felipe Contreras
2021-07-23 12:14 ` [PATCH 2/4] Documentation: define 'MERGE_AUTOSTASH' Philippe Blain via GitGitGadget
2021-07-23 16:00   ` Felipe Contreras
2021-07-23 12:14 ` [PATCH 3/4] merge: apply autostash if fast-forward fails Philippe Blain via GitGitGadget
2021-07-23 16:02   ` Felipe Contreras
2021-07-23 19:13   ` Junio C Hamano
2021-07-23 12:14 ` [PATCH 4/4] merge: apply autostash if merge strategy fails Philippe Blain via GitGitGadget
2021-07-23 19:22   ` Junio C Hamano
2021-07-23 16:10 ` Felipe Contreras [this message]

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