Re: [PATCH 4/4] drop git_exec_path() from non-Git commands' PATH

[Patrick Steinhardt <ps@pks.im>]

On Wed, May 21, 2025 at 04:27:48PM +0100, Phillip Wood wrote:
> On 21/05/2025 14:17, Patrick Steinhardt wrote:
> > On Wed, May 21, 2025 at 02:07:25PM +0100, Phillip Wood wrote:
> > > 
> > > But don't we still need to change PATH so that hooks, shell aliases, git
> > > rebase --exec, git bisect run, etc. still run the same git executable that
> > > started them? For example "/usr/bin/git -c alias.g=!git g --version" should
> > > report the version of /usr/bin/git, not ~/.local/bin/git which comes first
> > > in my PATH if git doesn't change it.
> > 
> > There's two parts to this: PATH and GIT_EXEC_PATH. We do have to adjust
> > PATH indeed to contain the location of the 'git' executable. But we also
> > add GIT_EXEC_PATH to it, which I'm less sure whether it's actually
> > needed.
> 
> If we were to add /usr/bin to beginning of PATH when the user runs
> /usr/bin/git I think that would be more surprising than adding GIT_EXEC_PATH
> which is what we do now. When we add GIT_EXEC_PATH to the beginning of PATH
> we only affect the lookup of git's programs. If instead we added /usr/bin to
> the beginning that would affect the lookup of many unrelated programs.

That's a valid point indeed.

Patrick