Re: [PATCH] grep: simple test for operation in a bare repository

> This patch converts the setenv() calls in path.c and setup.c.  After
> the call, git grep with a pager works again in bare repos.
>
> It leaves the setenv(GIT_DIR_ENVIRONMENT, ...) calls in git.c alone, as
> they respond to command line switches that emulate the effect of setting
> the environment variable directly.
>
> The remaining site in environment.c is in set_git_dir() and is left
> alone, too, of course.  Finally, builtin-init-db.c is left changed
> because the repo is still being carefully constructed when the
> environment variable is set.