Re: [PATCH v2 2/3] perf: make the tests work in worktrees

> This patch makes perf-lib.sh more robust so that it can run correctly
> even inside a worktree. For example, it assumed that $GIT_DIR/objects is
> the objects directory (which is not the case for worktrees) and it used
> the commondir file verbatim, even if it contained a relative path.
>
> Furthermore, the setup code expected `git rev-parse --git-dir` to spit
> out a relative path, which is also not true for worktrees. Let's just
> change the code to accept both relative and absolute paths, by avoiding
> the `cd` into the copied working directory.
>
> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
> ---
> diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh
> @@ -80,22 +80,22 @@ test_perf_create_repo_from () {
> -       source_git=$source/$(cd "$source" && git rev-parse --git-dir)
> +       source_git="$(cd "$source" && git rev-parse --git-dir)"
> +       objects_dir="$(cd "$source" && git rev-parse --git-path objects)"