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git/t/t3000-ls-files-others.sh

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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='basic tests for ls-files --others
This test runs git ls-files --others with the following on the
filesystem.
path0 - a file
path1 - a symlink
path2/file2 - a file in a directory
path3-junk - a file to confuse things
path3/file3 - a file in a directory
path4 - an empty directory
'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'setup ' '
date >path0 &&
if test_have_prereq SYMLINKS
then
ln -s xyzzy path1
else
date >path1
fi &&
mkdir path2 path3 path4 &&
date >path2/file2 &&
date >path2-junk &&
date >path3/file3 &&
date >path3-junk &&
git update-index --add path3-junk path3/file3
'
test_expect_success 'setup: expected output' '
cat >expected1 <<-\EOF &&
expected1
expected2
expected3
output
path0
path1
path2-junk
path2/file2
EOF
sed -e "s|path2/file2|path2/|" <expected1 >expected2 &&
cp expected2 expected3 &&
echo path4/ >>expected2
'
test_expect_success 'ls-files --others' '
git ls-files --others >output &&
test_cmp expected1 output
'
test_expect_success 'ls-files --others --directory' '
git ls-files --others --directory >output &&
test_cmp expected2 output
'
test_expect_success '--no-empty-directory hides empty directory' '
git ls-files --others --directory --no-empty-directory >output &&
test_cmp expected3 output
'
resolve_gitlink_ref: ignore non-repository paths When we want to look up a submodule ref, we use get_ref_cache(path) to find or auto-create its ref cache. But if we feed a path that isn't actually a git repository, we blindly create the ref cache, and then may die deeper in the code when we try to access it. This is a problem because many callers speculatively feed us a path that looks vaguely like a repository, and expect us to tell them when it is not. This patch teaches resolve_gitlink_ref to reject non-repository paths without creating a ref_cache. This avoids the die(), and also performs better if you have a large number of these faux-submodule directories (because the ref_cache lookup is linear, under the assumption that there won't be a large number of submodules). To accomplish this, we also break get_ref_cache into two pieces: the lookup and auto-creation (the latter is lumped into create_ref_cache). This lets us first cheaply ask our cache "is it a submodule we know about?" If so, we can avoid repeating our filesystem lookup. So lookups of real submodules are not penalized; they examine the submodule's .git directory only once. The test in t3000 demonstrates a case where this improves correctness (we used to just die). The new perf case in p7300 shows off the speed improvement in an admittedly pathological repository: Test HEAD^ HEAD ---------------------------------------------------------------- 7300.4: ls-files -o 66.97(66.15+0.87) 0.33(0.08+0.24) -99.5% Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-01-22 23:29:30 +01:00
test_expect_success 'ls-files --others handles non-submodule .git' '
mkdir not-a-submodule &&
echo foo >not-a-submodule/.git &&
git ls-files -o >output &&
test_cmp expected1 output
'
test_expect_success SYMLINKS 'ls-files --others with symlinked submodule' '
git init super &&
git init sub &&
(
cd sub &&
>a &&
git add a &&
git commit -m sub &&
git pack-refs --all
) &&
(
cd super &&
"$SHELL_PATH" "$TEST_DIRECTORY/../contrib/workdir/git-new-workdir" ../sub sub &&
git ls-files --others --exclude-standard >../actual
) &&
echo sub/ >expect &&
test_cmp expect actual
'
test_expect_success 'setup nested pathspec search' '
test_create_repo nested &&
(
cd nested &&
mkdir -p partially_tracked/untracked_dir &&
> partially_tracked/content &&
> partially_tracked/untracked_dir/file &&
mkdir -p untracked/deep &&
> untracked/deep/path &&
> untracked/deep/foo.c &&
git add partially_tracked/content
)
'
test_expect_success 'ls-files -o --directory with single deep dir pathspec' '
(
cd nested &&
git ls-files -o --directory untracked/deep/ >actual &&
cat <<-EOF >expect &&
untracked/deep/
EOF
test_cmp expect actual
)
'
test_expect_success 'ls-files -o --directory with multiple dir pathspecs' '
(
cd nested &&
git ls-files -o --directory partially_tracked/ untracked/ >actual &&
cat <<-EOF >expect &&
partially_tracked/untracked_dir/
untracked/
EOF
test_cmp expect actual
)
'
test_expect_success 'ls-files -o --directory with mix dir/file pathspecs' '
(
cd nested &&
git ls-files -o --directory partially_tracked/ untracked/deep/path >actual &&
cat <<-EOF >expect &&
partially_tracked/untracked_dir/
untracked/deep/path
EOF
test_cmp expect actual
)
'
test_expect_success 'ls-files -o --directory with glob filetype match' '
(
cd nested &&
# globs kinda defeat --directory, but only for that pathspec
git ls-files --others --directory partially_tracked "untracked/*.c" >actual &&
cat <<-EOF >expect &&
partially_tracked/untracked_dir/
untracked/deep/foo.c
EOF
test_cmp expect actual
)
'
test_expect_success 'ls-files -o --directory with mix of tracked states' '
(
cd nested &&
# globs kinda defeat --directory, but only for that pathspec
git ls-files --others --directory partially_tracked/ "untracked/?*" >actual &&
cat <<-EOF >expect &&
partially_tracked/untracked_dir/
untracked/deep/
EOF
test_cmp expect actual
)
'
test_expect_success 'ls-files -o --directory with glob filetype match only' '
(
cd nested &&
git ls-files --others --directory "untracked/*.c" >actual &&
cat <<-EOF >expect &&
untracked/deep/foo.c
EOF
test_cmp expect actual
)
'
test_expect_success 'ls-files -o --directory to get immediate paths under one dir only' '
(
cd nested &&
git ls-files --others --directory "untracked/?*" >actual &&
cat <<-EOF >expect &&
untracked/deep/
EOF
test_cmp expect actual
)
'
test_expect_success 'ls-files -o avoids listing untracked non-matching gitdir' '
test_when_finished "rm -rf nested/untracked/deep/empty" &&
(
cd nested &&
git init untracked/deep/empty &&
git ls-files --others "untracked/*.c" >actual &&
cat <<-EOF >expect &&
untracked/deep/foo.c
EOF
test_cmp expect actual
)
'
test_done