Re: [PATCH js/submodule-relative] t7400: avoid path mangling issues

> From: Johannes Sixt <j6t@kdbg.org>
>
> A recently introduced test uses an absolute path. But when run on Windows
> using the MSYS bash, such a path is mangled into a Windows style path when
> it is passed to 'git config'. The subsequent 'test' then compares the
> mangled path to the unmangled version and reports a failure.
>
> A path beginning with two slashes denotes a network directory
> (//server/share path) and is not mangled. Use that trick to side-step the
> issue. Just in case that 'git submodule init' regresses in such a way that
> it accesses the URL, use a path name that is unlikely to exist on POSIX
> systems, and that cannot be a server name on Windows.
>
> Signed-off-by: Johannes Sixt <j6t@kdbg.org>
> ---
>  Sorry, Jon, Junio, for the resend. Forgot to Cc the list.
>
>  t/t7400-submodule-basic.sh | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
> index a899e6d..c73bec9 100755
> --- a/t/t7400-submodule-basic.sh
> +++ b/t/t7400-submodule-basic.sh
> @@ -510,14 +510,19 @@ test_expect_success '../subrepo works with port-qualified URL - ssh://hostname:2
>        )
>  '
>
> -test_expect_success '../subrepo path works with local path - /foo/repo' '
> +# About the choice of the path in the next test:
> +# - double-slash side-steps path mangling issues on Windows
> +# - it is still an absolute local path
> +# - there cannot be a server with a blank in its name just in case the
> +#   path is used erroneously to access a //server/share style path
> +test_expect_success '../subrepo path works with local path - //somewhere else/repo' '
>        (
>                cd reltest &&
>                cp pristine-.git-config .git/config &&
>                cp pristine-.gitmodules .gitmodules &&
> -               git config remote.origin.url /foo/repo &&
> +               git config remote.origin.url "//somewhere else/repo" &&
>                git submodule init &&
> -               test "$(git config submodule.sub.url)" = /foo/subrepo
> +               test "$(git config submodule.sub.url)" = "//somewhere else/subrepo"
>        )
>  '
>
> --
> 1.7.11.rc3.1188.ga03e3fc