Re: [PATCH v4 3/3] ci: stop linking built-ins to the dashed versions

> From: Johannes Schindelin <johannes.schindelin@gmx.de>
>
> Since e4597aae6590 (run test suite without dashed git-commands in PATH,
> 2009-12-02), we stopped running our tests with `git-foo` binaries found
> at the top-level directory of a freshly built source tree; instead we
> have placed only `git` and selected `git-foo` commands that must be on
> `$PATH` in `bin-wrappers/` and prepended that `bin-wrappers/` to the
> `PATH` used in the test suite. We did that to catch the tests and
> scripted Git commands that still try to use the dashed form.
>
> Since CI jobs will not install the built Git to anywhere, and the
> hardlinks we make at the top-level of the source tree for `git-add` and
> friends are not even used during tests, they are pure waste of resources
> these days.

> diff --git a/ci/lib.sh b/ci/lib.sh
> index 3eefec500d..821e3660d6 100755
> --- a/ci/lib.sh
> +++ b/ci/lib.sh
> @@ -178,6 +178,7 @@ fi
>  export DEVELOPER=1
>  export DEFAULT_TEST_TARGET=prove
>  export GIT_TEST_CLONE_2GB=true
> +export SKIP_DASHED_BUILT_INS=YesPlease