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From: Jeff King <>
To: Eric Wong <>
Cc: Timothee Cour <>,
Subject: Re: git makes it impossible to ignore or override global gitconfig, needs `GITCONFIGFILE`
Date: Thu, 19 Mar 2020 12:51:49 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <20200319064407.GA26408@dcvr>

On Thu, Mar 19, 2020 at 06:44:07AM +0000, Eric Wong wrote:

> Timothee Cour <> wrote:
> > git makes it impossible to ignore global gitconfig. This is
> > essentially what's being asked here:
> >
> > 
> > ## proposal:
> > add an environment variable (like for tig and other programs), eg:
> > `GITCONFIGFILE=~/.gitconfig_temp git diff`
> > seems like an easy change that would make it easy for users to ignore
> > or override their gitconfig
> You can use GIT_CONFIG for that, and there's also
> GIT_CONFIG_NOSYSTEM.  They're both documented in the
> git-config(5) manpage.

I don't think $GIT_CONFIG is what Timothee whats. It only affects the
git-config command, not config lookup in other programs. And it
overrides _all_ config lookup, as if "git config --file" had been used.

There's no variable to suppress just the user-level gitconfig. The usual
technique (that we use in the test scripts) is to point $HOME somewhere
else, but that may affect other programs.

I wouldn't be opposed to GIT_CONFIG_NOGLOBAL if there's a use case, but
it sounds like the desire is to actually provide new config. That can
also be done for specific options with "git -c". Under the hood that is
using GIT_CONFIG_PARAMETERS in the environment; you can set it
individually, but note that it's a little picky about quoting (the
individual keys are shell-quoted, but it insists that there is an outer
layer of single-quotes, even if they weren't necessary; I wouldn't be
opposed to making it more friendly). You can see what it produces like

  git -c alias.dump='!echo "$GIT_CONFIG_PARAMETERS"' dump


  reply	other threads:[~2020-03-19 16:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19  5:48 git makes it impossible to ignore or override global gitconfig, needs `GITCONFIGFILE` Timothee Cour
2020-03-19  6:44 ` Eric Wong
2020-03-19 16:51   ` Jeff King [this message]
2020-03-20  2:28     ` Timothee Cour
2020-03-20  5:41       ` Jeff King

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