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git/t/t7300-clean.sh
Elijah Newren 7541cc5302 t7300: add testcases showing failure to clean specified pathspecs 
Someone brought me a testcase where multiple git-clean invocations were
required to clean out unwanted files:
  mkdir d{1,2}
  touch d{1,2}/ut
  touch d1/t && git add d1/t
With this setup, the user would need to run
  git clean -ffd */ut
twice to delete both ut files.

A little testing showed some interesting variants:
  * If only one of those two ut files existed (either one), then only one
    clean command would be necessary.
  * If both directories had tracked files, then only one git clean would
    be necessary to clean both files.
  * If both directories had no tracked files then the clean command above
    would never clean either of the untracked files despite the pathspec
    explicitly calling both of them out.

A bisect showed that the failure to clean out the files started with
commit cf424f5fd8 ("clean: respect pathspecs with "-d", 2014-03-10).
However, that pointed to a separate issue: while the "-d" flag was used
by the original user who showed me this problem, that flag should have
been irrelevant to this problem.  Testing again without the "-d" flag
showed that the same buggy behavior exists without using that flag, and
has in fact existed since before cf424f5fd8.

Although these problems at first are perceived to be different (e.g.
never clearing out the requested files vs. taking multiple invocations
to get everything cleared out), they are actually just different
manifestations of the same problem.  The case with multiple directories
that have no tracked files is the more general case; solving it will
solve all the others.  So, I concentrate on it.  Add testcases showing
that multiple untracked files within entirely untracked directories
cannot be cleaned when specifying these files to git clean via
pathspecs.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-09-17 12:20:34 -07:00

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#!/bin/sh
#
# Copyright (c) 2007 Michael Spang
#
test_description='git clean basic tests'
. ./test-lib.sh
git config clean.requireForce no
test_expect_success 'setup' '
mkdir -p src &&
touch src/part1.c Makefile &&
echo build >.gitignore &&
echo \*.o >>.gitignore &&
git add . &&
git commit -m setup &&
touch src/part2.c README &&
git add .
'
test_expect_success 'git clean with skip-worktree .gitignore' '
git update-index --skip-worktree .gitignore &&
rm .gitignore &&
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test ! -f src/part3.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so &&
git update-index --no-skip-worktree .gitignore &&
git checkout .gitignore
'
test_expect_success 'git clean' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test ! -f src/part3.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean src/' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean src/ &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test ! -f src/part3.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean src/ src/' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean src/ src/ &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test ! -f src/part3.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean with prefix' '
mkdir -p build docs src/test &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so src/test/1.c &&
(cd src/ && git clean) &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test ! -f src/part3.c &&
test -f src/test/1.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success C_LOCALE_OUTPUT 'git clean with relative prefix' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
would_clean=$(
cd docs &&
git clean -n ../src |
sed -n -e "s|^Would remove ||p"
) &&
verbose test "$would_clean" = ../src/part3.c
'
test_expect_success C_LOCALE_OUTPUT 'git clean with absolute path' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
would_clean=$(
cd docs &&
git clean -n "$(pwd)/../src" |
sed -n -e "s|^Would remove ||p"
) &&
verbose test "$would_clean" = ../src/part3.c
'
test_expect_success 'git clean with out of work tree relative path' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
(
cd docs &&
test_must_fail git clean -n ../..
)
'
test_expect_success 'git clean with out of work tree absolute path' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
dd=$(cd .. && pwd) &&
(
cd docs &&
test_must_fail git clean -n $dd
)
'
test_expect_success 'git clean -d with prefix and path' '
mkdir -p build docs src/feature &&
touch a.out src/part3.c src/feature/file.c docs/manual.txt obj.o build/lib.so &&
(cd src/ && git clean -d feature/) &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test -f src/part3.c &&
test ! -f src/feature/file.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success SYMLINKS 'git clean symbolic link' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
ln -s docs/manual.txt src/part4.c &&
git clean &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test ! -f src/part3.c &&
test ! -f src/part4.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean with wildcard' '
touch a.clean b.clean other.c &&
git clean "*.clean" &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.clean &&
test ! -f b.clean &&
test -f other.c
'
test_expect_success 'git clean -n' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -n &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test -f src/part3.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean -d' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -d &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test ! -f src/part3.c &&
test ! -d docs &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean -d src/ examples/' '
mkdir -p build docs examples &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so examples/1.c &&
git clean -d src/ examples/ &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test ! -f src/part3.c &&
test ! -f examples/1.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean -x' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -x &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test ! -f src/part3.c &&
test -f docs/manual.txt &&
test ! -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean -d -x' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -d -x &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test ! -f src/part3.c &&
test ! -d docs &&
test ! -f obj.o &&
test ! -d build
'
test_expect_success 'git clean -d -x with ignored tracked directory' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -d -x -e src &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test -f src/part3.c &&
test ! -d docs &&
test ! -f obj.o &&
test ! -d build
'
test_expect_success 'git clean -X' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -X &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test -f src/part3.c &&
test -f docs/manual.txt &&
test ! -f obj.o &&
test -f build/lib.so
'
test_expect_success 'git clean -d -X' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -d -X &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test -f src/part3.c &&
test -f docs/manual.txt &&
test ! -f obj.o &&
test ! -d build
'
test_expect_success 'git clean -d -X with ignored tracked directory' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -d -X -e src &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test ! -f src/part3.c &&
test -f docs/manual.txt &&
test ! -f obj.o &&
test ! -d build
'
test_expect_success 'clean.requireForce defaults to true' '
git config --unset clean.requireForce &&
test_must_fail git clean
'
test_expect_success 'clean.requireForce' '
git config clean.requireForce true &&
test_must_fail git clean
'
test_expect_success 'clean.requireForce and -n' '
mkdir -p build docs &&
touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
git clean -n &&
test -f Makefile &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test -f a.out &&
test -f src/part3.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success 'clean.requireForce and -f' '
git clean -f &&
test -f README &&
test -f src/part1.c &&
test -f src/part2.c &&
test ! -f a.out &&
test ! -f src/part3.c &&
test -f docs/manual.txt &&
test -f obj.o &&
test -f build/lib.so
'
test_expect_success C_LOCALE_OUTPUT 'core.excludesfile' '
echo excludes >excludes &&
echo included >included &&
git config core.excludesfile excludes &&
output=$(git clean -n excludes included 2>&1) &&
expr "$output" : ".*included" >/dev/null &&
! expr "$output" : ".*excludes" >/dev/null
'
test_expect_success SANITY 'removal failure' '
mkdir foo &&
touch foo/bar &&
test_when_finished "chmod 755 foo" &&
(exec <foo/bar &&
chmod 0 foo &&
test_must_fail git clean -f -d)
'
test_expect_success 'nested git work tree' '
rm -fr foo bar baz &&
mkdir -p foo bar baz/boo &&
(
cd foo &&
git init &&
test_commit nested hello.world
) &&
(
cd bar &&
>goodbye.people
) &&
(
cd baz/boo &&
git init &&
test_commit deeply.nested deeper.world
) &&
git clean -f -d &&
test -f foo/.git/index &&
test -f foo/hello.world &&
test -f baz/boo/.git/index &&
test -f baz/boo/deeper.world &&
! test -d bar
'
test_expect_success 'should clean things that almost look like git but are not' '
rm -fr almost_git almost_bare_git almost_submodule &&
mkdir -p almost_git/.git/objects &&
mkdir -p almost_git/.git/refs &&
cat >almost_git/.git/HEAD <<-\EOF &&
garbage
EOF
cp -r almost_git/.git/ almost_bare_git &&
mkdir almost_submodule/ &&
cat >almost_submodule/.git <<-\EOF &&
garbage
EOF
test_when_finished "rm -rf almost_*" &&
git clean -f -d &&
test_path_is_missing almost_git &&
test_path_is_missing almost_bare_git &&
test_path_is_missing almost_submodule
'
test_expect_success 'should not clean submodules' '
rm -fr repo to_clean sub1 sub2 &&
mkdir repo to_clean &&
(
cd repo &&
git init &&
test_commit msg hello.world
) &&
git submodule add ./repo/.git sub1 &&
git commit -m "sub1" &&
git branch before_sub2 &&
git submodule add ./repo/.git sub2 &&
git commit -m "sub2" &&
git checkout before_sub2 &&
>to_clean/should_clean.this &&
git clean -f -d &&
test_path_is_file repo/.git/index &&
test_path_is_file repo/hello.world &&
test_path_is_file sub1/.git &&
test_path_is_file sub1/hello.world &&
test_path_is_file sub2/.git &&
test_path_is_file sub2/hello.world &&
test_path_is_missing to_clean
'
test_expect_success POSIXPERM,SANITY 'should avoid cleaning possible submodules' '
rm -fr to_clean possible_sub1 &&
mkdir to_clean possible_sub1 &&
test_when_finished "rm -rf possible_sub*" &&
echo "gitdir: foo" >possible_sub1/.git &&
>possible_sub1/hello.world &&
chmod 0 possible_sub1/.git &&
>to_clean/should_clean.this &&
git clean -f -d &&
test_path_is_file possible_sub1/.git &&
test_path_is_file possible_sub1/hello.world &&
test_path_is_missing to_clean
'
test_expect_success 'nested (empty) git should be kept' '
rm -fr empty_repo to_clean &&
git init empty_repo &&
mkdir to_clean &&
>to_clean/should_clean.this &&
git clean -f -d &&
test_path_is_file empty_repo/.git/HEAD &&
test_path_is_missing to_clean
'
test_expect_success 'nested bare repositories should be cleaned' '
rm -fr bare1 bare2 subdir &&
git init --bare bare1 &&
git clone --local --bare . bare2 &&
mkdir subdir &&
cp -r bare2 subdir/bare3 &&
git clean -f -d &&
test_path_is_missing bare1 &&
test_path_is_missing bare2 &&
test_path_is_missing subdir
'
test_expect_failure 'nested (empty) bare repositories should be cleaned even when in .git' '
rm -fr strange_bare &&
mkdir strange_bare &&
git init --bare strange_bare/.git &&
git clean -f -d &&
test_path_is_missing strange_bare
'
test_expect_failure 'nested (non-empty) bare repositories should be cleaned even when in .git' '
rm -fr strange_bare &&
mkdir strange_bare &&
git clone --local --bare . strange_bare/.git &&
git clean -f -d &&
test_path_is_missing strange_bare
'
test_expect_success 'giving path in nested git work tree will remove it' '
rm -fr repo &&
mkdir repo &&
(
cd repo &&
git init &&
mkdir -p bar/baz &&
test_commit msg bar/baz/hello.world
) &&
git clean -f -d repo/bar/baz &&
test_path_is_file repo/.git/HEAD &&
test_path_is_dir repo/bar/ &&
test_path_is_missing repo/bar/baz
'
test_expect_success 'giving path to nested .git will not remove it' '
rm -fr repo &&
mkdir repo untracked &&
(
cd repo &&
git init &&
test_commit msg hello.world
) &&
git clean -f -d repo/.git &&
test_path_is_file repo/.git/HEAD &&
test_path_is_dir repo/.git/refs &&
test_path_is_dir repo/.git/objects &&
test_path_is_dir untracked/
'
test_expect_success 'giving path to nested .git/ will remove contents' '
rm -fr repo untracked &&
mkdir repo untracked &&
(
cd repo &&
git init &&
test_commit msg hello.world
) &&
git clean -f -d repo/.git/ &&
test_path_is_dir repo/.git &&
test_dir_is_empty repo/.git &&
test_path_is_dir untracked/
'
test_expect_success 'force removal of nested git work tree' '
rm -fr foo bar baz &&
mkdir -p foo bar baz/boo &&
(
cd foo &&
git init &&
test_commit nested hello.world
) &&
(
cd bar &&
>goodbye.people
) &&
(
cd baz/boo &&
git init &&
test_commit deeply.nested deeper.world
) &&
git clean -f -f -d &&
! test -d foo &&
! test -d bar &&
! test -d baz
'
test_expect_success 'git clean -e' '
rm -fr repo &&
mkdir repo &&
(
cd repo &&
git init &&
touch known 1 2 3 &&
git add known &&
git clean -f -e 1 -e 2 &&
test -e 1 &&
test -e 2 &&
! (test -e 3) &&
test -e known
)
'
test_expect_success SANITY 'git clean -d with an unreadable empty directory' '
mkdir foo &&
chmod a= foo &&
git clean -dfx foo &&
! test -d foo
'
test_expect_success 'git clean -d respects pathspecs (dir is prefix of pathspec)' '
mkdir -p foo &&
mkdir -p foobar &&
git clean -df foobar &&
test_path_is_dir foo &&
test_path_is_missing foobar
'
test_expect_success 'git clean -d respects pathspecs (pathspec is prefix of dir)' '
mkdir -p foo &&
mkdir -p foobar &&
git clean -df foo &&
test_path_is_missing foo &&
test_path_is_dir foobar
'
test_expect_success 'git clean -d skips untracked dirs containing ignored files' '
echo /foo/bar >.gitignore &&
echo ignoreme >>.gitignore &&
rm -rf foo &&
mkdir -p foo/a/aa/aaa foo/b/bb/bbb &&
touch foo/bar foo/baz foo/a/aa/ignoreme foo/b/ignoreme foo/b/bb/1 foo/b/bb/2 &&
git clean -df &&
test_path_is_dir foo &&
test_path_is_file foo/bar &&
test_path_is_missing foo/baz &&
test_path_is_file foo/a/aa/ignoreme &&
test_path_is_missing foo/a/aa/aaa &&
test_path_is_file foo/b/ignoreme &&
test_path_is_missing foo/b/bb
'
test_expect_failure 'git clean -d skips nested repo containing ignored files' '
test_when_finished "rm -rf nested-repo-with-ignored-file" &&
git init nested-repo-with-ignored-file &&
(
cd nested-repo-with-ignored-file &&
>file &&
git add file &&
git commit -m Initial &&
# This file is ignored by a .gitignore rule in the outer repo
# added in the previous test.
>ignoreme
) &&
git clean -fd &&
test_path_is_file nested-repo-with-ignored-file/.git/index &&
test_path_is_file nested-repo-with-ignored-file/ignoreme &&
test_path_is_file nested-repo-with-ignored-file/file
'
test_expect_failure 'git clean handles being told what to clean' '
mkdir -p d1 d2 &&
touch d1/ut d2/ut &&
git clean -f */ut &&
test_path_is_missing d1/ut &&
test_path_is_missing d2/ut
'
test_expect_failure 'git clean handles being told what to clean, with -d' '
mkdir -p d1 d2 &&
touch d1/ut d2/ut &&
git clean -ffd */ut &&
test_path_is_missing d1/ut &&
test_path_is_missing d2/ut
'
test_expect_failure 'git clean works if a glob is passed without -d' '
mkdir -p d1 d2 &&
touch d1/ut d2/ut &&
git clean -f "*ut" &&
test_path_is_missing d1/ut &&
test_path_is_missing d2/ut
'
test_expect_failure 'git clean works if a glob is passed with -d' '
mkdir -p d1 d2 &&
touch d1/ut d2/ut &&
git clean -ffd "*ut" &&
test_path_is_missing d1/ut &&
test_path_is_missing d2/ut
'
test_expect_success MINGW 'handle clean & core.longpaths = false nicely' '
test_config core.longpaths false &&
a50=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
mkdir -p $a50$a50/$a50$a50/$a50$a50 &&
: >"$a50$a50/test.txt" 2>"$a50$a50/$a50$a50/$a50$a50/test.txt" &&
# create a temporary outside the working tree to hide from "git clean"
test_must_fail git clean -xdf 2>.git/err &&
# grepping for a strerror string is unportable but it is OK here with
# MINGW prereq
test_i18ngrep "too long" .git/err
'
test_done
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