From: Fabian Stelzer <fs@gigacodes.de>
Date: Mon, 25 Oct 2021 08:46:56 GMT
Subject: Re: [PATCH] gpg-interface: allow selecting key id with env variable
Message-ID: <bc6b915a-7aa0-298b-e1ec-bf548e4dbdfc@gigacodes.de>
In-Reply-To: <YXZpyWesc8VRWYwr@octopus.int.carobme.de>

On 25.10.21 10:24, Marco Beck wrote:
> On Mon, Oct 25, 2021 at 09:31:33AM +0200, Fabian Stelzer wrote:
> 
>> [includeIf "gitdir:~/projects/work/"]
>>  path = ".gitconfig.work"
> 
> Yeah, that's what I added to my config recently just for signing key
> selection. I'm using direnv[1] for some time now to switch between
> different "profiles" (more than just Git settings) by just setting
> some environment variables and it was nice to have everything in one
> place. That's why I disliked adding the includeIf to my .gitconfig.
> 
> Thanks anyway,
> Marco
> 
> [1] https://direnv.net/

If you insist on using environment variables there is:
GIT_CONFIG_KEY_<n>
GIT_CONFIG_VALUE_<n>

https://git-scm.com/docs/git-config

A bit clunky in my opinion but you can set any config variable via env vars:

e.g.:
GIT_CONFIG_COUNT=1 GIT_CONFIG_KEY_0=user.name GIT_CONFIG_VALUE_0=testing