GNU bug report logs - #68532
git-crypt can fail after guix gc

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: TakeV <takev <at> disroot.org>
To: bug-guix <at> gnu.org
Subject: git-crypt can fail after guix gc
Date: Wed, 17 Jan 2024 10:46:28 -0500

[Message part 1 (text/plain, inline)]

I set up a git repo which uses git-crypt a while back, however it seems 
to have broken in the time between then and now.

Looking into how git-crypt seems to handle things; running the initial 
init causes the full path to the git-crypt binary to be written to the 
git config file (.git/config) as a filter.

If one has created a repo using git-crypt, and some time later runs guix 
gc, then the old path to the git-crypt binary likely will be deleted, 
causing git-crypt to break, as it is unable to locate the binary.

One workaround could be running git-crypt in a shell, and registering it 
as a garbage collector root so that the original git-crypt install is 
preserved, but that seems like it would not be an optimal long term fix. 
Updating the config file by hand also seems to fix the issue, though 
that route is similarly a short term fix.

[OpenPGP_signature (application/pgp-signature, attachment)]

Message #8 received at 68532 <at> debbugs.gnu.org (full text, mbox):

From: Greg Hogan <code <at> greghogan.com>
To: TakeV <takev <at> disroot.org>
Cc: 68532 <at> debbugs.gnu.org
Subject: Re: bug#68532: git-crypt can fail after guix gc
Date: Thu, 24 Apr 2025 10:16:58 -0400

On Wed, Jan 17, 2024 at 10:47 AM TakeV via Bug reports for GNU Guix
<bug-guix <at> gnu.org> wrote:
>
> I set up a git repo which uses git-crypt a while back, however it seems
> to have broken in the time between then and now.
>
> Looking into how git-crypt seems to handle things; running the initial
> init causes the full path to the git-crypt binary to be written to the
> git config file (.git/config) as a filter.
>
> If one has created a repo using git-crypt, and some time later runs guix
> gc, then the old path to the git-crypt binary likely will be deleted,
> causing git-crypt to break, as it is unable to locate the binary.
>
> One workaround could be running git-crypt in a shell, and registering it
> as a garbage collector root so that the original git-crypt install is
> preserved, but that seems like it would not be an optimal long term fix.
> Updating the config file by hand also seems to fix the issue, though
> that route is similarly a short term fix.

I am not seeing any changes or updates to the git-crypt package since
this issue was opened, but I am also not seeing the full path to the
git-crypt binary when I "git init" and "git-crypt init" a new repo:

$ cat .git/config
[core]
        repositoryformatversion = 0
        filemode = true
        bare = false
        logallrefupdates = true
[filter "git-crypt"]
        smudge = \"git-crypt\" smudge
        clean = \"git-crypt\" clean
        required = true
[diff "git-crypt"]
        textconv = \"git-crypt\" diff

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