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t7300: add tests to document behavior of clean and nested git
Signed-off-by: Erik Elfström <erik.elfstrom@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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‎t/t7300-clean.sh‎

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@@ -455,6 +455,148 @@ test_expect_success 'nested git work tree' '
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! test -d bar
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'
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test_expect_failure 'should clean things that almost look like git but are not' '
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rm -fr almost_git almost_bare_git almost_submodule &&
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mkdir -p almost_git/.git/objects &&
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mkdir -p almost_git/.git/refs &&
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cat >almost_git/.git/HEAD <<-\EOF &&
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garbage
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EOF
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cp -r almost_git/.git/ almost_bare_git &&
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mkdir almost_submodule/ &&
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cat >almost_submodule/.git <<-\EOF &&
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garbage
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EOF
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test_when_finished "rm -rf almost_*" &&
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## This will fail due to die("Invalid gitfile format: %s", path); in
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## setup.c:read_gitfile.
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git clean -f -d &&
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test_path_is_missing almost_git &&
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test_path_is_missing almost_bare_git &&
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test_path_is_missing almost_submodule
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'
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test_expect_success 'should not clean submodules' '
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rm -fr repo to_clean sub1 sub2 &&
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mkdir repo to_clean &&
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(
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cd repo &&
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git init &&
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test_commit msg hello.world
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) &&
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git submodule add ./repo/.git sub1 &&
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git commit -m "sub1" &&
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git branch before_sub2 &&
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git submodule add ./repo/.git sub2 &&
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git commit -m "sub2" &&
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git checkout before_sub2 &&
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>to_clean/should_clean.this &&
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git clean -f -d &&
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test_path_is_file repo/.git/index &&
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test_path_is_file repo/hello.world &&
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test_path_is_file sub1/.git &&
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test_path_is_file sub1/hello.world &&
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test_path_is_file sub2/.git &&
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test_path_is_file sub2/hello.world &&
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test_path_is_missing to_clean
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'
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test_expect_failure 'should avoid cleaning possible submodules' '
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rm -fr to_clean possible_sub1 &&
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mkdir to_clean possible_sub1 &&
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test_when_finished "rm -rf possible_sub*" &&
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echo "gitdir: foo" >possible_sub1/.git &&
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>possible_sub1/hello.world &&
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chmod 0 possible_sub1/.git &&
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>to_clean/should_clean.this &&
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git clean -f -d &&
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test_path_is_file possible_sub1/.git &&
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test_path_is_file possible_sub1/hello.world &&
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test_path_is_missing to_clean
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'
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test_expect_failure 'nested (empty) git should be kept' '
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rm -fr empty_repo to_clean &&
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git init empty_repo &&
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mkdir to_clean &&
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>to_clean/should_clean.this &&
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git clean -f -d &&
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test_path_is_file empty_repo/.git/HEAD &&
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test_path_is_missing to_clean
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'
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test_expect_success 'nested bare repositories should be cleaned' '
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rm -fr bare1 bare2 subdir &&
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git init --bare bare1 &&
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git clone --local --bare . bare2 &&
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mkdir subdir &&
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cp -r bare2 subdir/bare3 &&
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git clean -f -d &&
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test_path_is_missing bare1 &&
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test_path_is_missing bare2 &&
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test_path_is_missing subdir
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'
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test_expect_success 'nested (empty) bare repositories should be cleaned even when in .git' '
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rm -fr strange_bare &&
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mkdir strange_bare &&
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git init --bare strange_bare/.git &&
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git clean -f -d &&
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test_path_is_missing strange_bare
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'
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test_expect_failure 'nested (non-empty) bare repositories should be cleaned even when in .git' '
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rm -fr strange_bare &&
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mkdir strange_bare &&
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git clone --local --bare . strange_bare/.git &&
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git clean -f -d &&
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test_path_is_missing strange_bare
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'
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test_expect_success 'giving path in nested git work tree will remove it' '
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rm -fr repo &&
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mkdir repo &&
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(
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cd repo &&
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git init &&
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mkdir -p bar/baz &&
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test_commit msg bar/baz/hello.world
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) &&
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git clean -f -d repo/bar/baz &&
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test_path_is_file repo/.git/HEAD &&
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test_path_is_dir repo/bar/ &&
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test_path_is_missing repo/bar/baz
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'
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test_expect_success 'giving path to nested .git will not remove it' '
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rm -fr repo &&
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mkdir repo untracked &&
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(
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cd repo &&
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git init &&
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test_commit msg hello.world
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) &&
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git clean -f -d repo/.git &&
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test_path_is_file repo/.git/HEAD &&
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test_path_is_dir repo/.git/refs &&
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test_path_is_dir repo/.git/objects &&
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test_path_is_dir untracked/
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'
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test_expect_success 'giving path to nested .git/ will remove contents' '
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rm -fr repo untracked &&
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mkdir repo untracked &&
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(
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cd repo &&
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git init &&
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test_commit msg hello.world
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) &&
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git clean -f -d repo/.git/ &&
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test_path_is_dir repo/.git &&
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test_dir_is_empty repo/.git &&
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test_path_is_dir untracked/
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'
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test_expect_success 'force removal of nested git work tree' '
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rm -fr foo bar baz &&
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mkdir -p foo bar baz/boo &&

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