On Mon, Apr 6, 2015 at 7:48 AM, Erik Elfström <erik.elfst...@gmail.com> wrote:
> Signed-off-by: Erik Elfström <erik.elfst...@gmail.com>
> ---
> diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
> index 99be5d9..cfdf6d4 100755
> --- a/t/t7300-clean.sh
> +++ b/t/t7300-clean.sh
> @@ -455,6 +455,88 @@ test_expect_success 'nested git work tree' '
>         ! test -d bar
>  '
>
> +test_expect_failure 'nested git (only init) should be kept' '
> +       rm -fr foo bar &&
> +       mkdir foo bar &&
> +       (
> +               cd foo &&
> +               git init
> +       ) &&
> +       (
> +               cd bar &&
> +               >goodbye.people
> +       ) &&

(minor; ignore if desired) The above could be simplified to:

    rm -fr foo bar &&
    git init foo &&
    mkdir bar &&
    >bar/goodbye.people &&

> +       git clean -f -d &&
> +       test -f foo/.git/HEAD &&
> +       ! test -d bar

Here and elsewhere, you could instead use test_path_is_file() and
test_path_is_missing(), respectively.

> +'
> +
> +test_expect_failure 'nested git (bare) should be kept' '
> +       rm -fr foo bar &&
> +       mkdir foo bar &&
> +       (
> +               cd foo &&
> +               git init --bare
> +       ) &&
> +       (
> +               cd bar &&
> +               >goodbye.people
> +       ) &&

Simplified:

    rm -fr foo bar &&
    git init --bare foo &&
    mkdir bar &&
    >bar/goodbye.people &&

> +       git clean -f -d &&
> +       test -f foo/HEAD &&
> +       ! test -d bar
> +'
> +
> +test_expect_success 'giving path in nested git work tree will remove it' '
> +       rm -fr foo &&
> +       mkdir foo &&
> +       (
> +               cd foo &&
> +               git init &&
> +               mkdir -p bar/baz &&
> +               cd bar/baz &&
> +               >hello.world
> +               git add . &&
> +               git commit -a -m nested
> +       ) &&
> +       git clean -f -d foo/bar/baz &&
> +       test -f foo/.git/HEAD &&
> +       test -d foo/bar/ &&

Alternative, here and elsewhere: test_path_is_dir()

> +       ! test -d foo/bar/baz
> +'
> +
> +test_expect_success 'giving path to nested .git will not remove it' '
> +       rm -fr foo &&
> +       mkdir foo bar &&
> +       (
> +               cd foo &&
> +               git init &&
> +               >hello.world
> +               git add . &&
> +               git commit -a -m nested
> +       ) &&
> +       git clean -f -d foo/.git &&
> +       test -f foo/.git/HEAD &&
> +       test -d foo/.git/refs &&
> +       test -d foo/.git/objects &&
> +       test -d bar/
> +'
> +
> +test_expect_success 'giving path to nested .git/ will remove contents' '
> +       rm -fr foo bar &&
> +       mkdir foo bar &&
> +       (
> +               cd foo &&
> +               git init &&
> +               >hello.world
> +               git add . &&
> +               git commit -a -m nested
> +       ) &&
> +       git clean -f -d foo/.git/ &&
> +       test 0 = $(ls -A foo/.git | wc -l) &&

Although in the latest POSIX, -A may not be portable.

Alternative: test_dir_is_empty()

> +       test -d foo/.git
> +'
> +
>  test_expect_success 'force removal of nested git work tree' '
>         rm -fr foo bar baz &&
>         mkdir -p foo bar baz/boo &&
> --
> 2.4.0.rc0.37.ga3b75b3
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