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git/t/t0003-attributes.sh
John Cai 9f9c40cf34 attr: add attr.tree for setting the treeish to read attributes from 
44451a2 (attr: teach "--attr-source=<tree>" global option to "git",
2023-05-06) provided the ability to pass in a treeish as the attr
source. In the context of serving Git repositories as bare repos like we
do at GitLab however, it would be easier to point --attr-source to HEAD
for all commands by setting it once.

Add a new config attr.tree that allows this.

Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-10-13 11:43:29 -07:00

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#!/bin/sh
test_description=gitattributes
TEST_PASSES_SANITIZE_LEAK=true
TEST_CREATE_REPO_NO_TEMPLATE=1
. ./test-lib.sh
attr_check_basic () {
path="$1" expect="$2" git_opts="$3" &&
git $git_opts check-attr test -- "$path" >actual 2>err &&
echo "$path: test: $expect" >expect &&
test_cmp expect actual
}
attr_check () {
attr_check_basic "$@" &&
test_must_be_empty err
}
attr_check_quote () {
path="$1" quoted_path="$2" expect="$3" &&
git check-attr test -- "$path" >actual &&
echo "\"$quoted_path\": test: $expect" >expect &&
test_cmp expect actual
}
attr_check_source () {
path="$1" expect="$2" source="$3" git_opts="$4" &&
echo "$path: test: $expect" >expect &&
git $git_opts check-attr --source $source test -- "$path" >actual 2>err &&
test_cmp expect actual &&
test_must_be_empty err &&
git $git_opts --attr-source="$source" check-attr test -- "$path" >actual 2>err &&
test_cmp expect actual &&
test_must_be_empty err
git $git_opts -c "attr.tree=$source" check-attr test -- "$path" >actual 2>err &&
test_cmp expect actual &&
test_must_be_empty err
GIT_ATTR_SOURCE="$source" git $git_opts check-attr test -- "$path" >actual 2>err &&
test_cmp expect actual &&
test_must_be_empty err
}
test_expect_success 'open-quoted pathname' '
echo "\"a test=a" >.gitattributes &&
attr_check a unspecified
'
test_expect_success 'setup' '
mkdir -p a/b/d a/c b &&
(
echo "[attr]notest !test" &&
echo "\" d \" test=d" &&
echo " e test=e" &&
echo " e\" test=e" &&
echo "f test=f" &&
echo "a/i test=a/i" &&
echo "onoff test -test" &&
echo "offon -test test" &&
echo "no notest" &&
echo "A/e/F test=A/e/F"
) >.gitattributes &&
(
echo "g test=a/g" &&
echo "b/g test=a/b/g"
) >a/.gitattributes &&
(
echo "h test=a/b/h" &&
echo "d/* test=a/b/d/*" &&
echo "d/yes notest"
) >a/b/.gitattributes &&
(
echo "global test=global"
) >"$HOME"/global-gitattributes &&
cat <<-EOF >expect-all
f: test: f
a/f: test: f
a/c/f: test: f
a/g: test: a/g
a/b/g: test: a/b/g
b/g: test: unspecified
a/b/h: test: a/b/h
a/b/d/g: test: a/b/d/*
onoff: test: unset
offon: test: set
no: notest: set
no: test: unspecified
a/b/d/no: notest: set
a/b/d/no: test: a/b/d/*
a/b/d/yes: notest: set
a/b/d/yes: test: unspecified
EOF
'
test_expect_success 'setup branches' '
mkdir -p foo/bar &&
test_commit --printf "add .gitattributes" foo/bar/.gitattributes \
"f test=f\na/i test=n\n" tag-1 &&
test_commit --printf "add .gitattributes" foo/bar/.gitattributes \
"g test=g\na/i test=m\n" tag-2 &&
rm foo/bar/.gitattributes
'
test_expect_success 'command line checks' '
test_must_fail git check-attr &&
test_must_fail git check-attr -- &&
test_must_fail git check-attr test &&
test_must_fail git check-attr test -- &&
test_must_fail git check-attr -- f &&
test_must_fail git check-attr --source &&
test_must_fail git check-attr --source not-a-valid-ref &&
echo "f" | test_must_fail git check-attr --stdin &&
echo "f" | test_must_fail git check-attr --stdin -- f &&
echo "f" | test_must_fail git check-attr --stdin test -- f &&
test_must_fail git check-attr "" -- f
'
test_expect_success 'attribute test' '
attr_check " d " d &&
attr_check e e &&
attr_check_quote e\" e\\\" e &&
attr_check f f &&
attr_check a/f f &&
attr_check a/c/f f &&
attr_check a/g a/g &&
attr_check a/b/g a/b/g &&
attr_check b/g unspecified &&
attr_check a/b/h a/b/h &&
attr_check a/b/d/g "a/b/d/*" &&
attr_check onoff unset &&
attr_check offon set &&
attr_check no unspecified &&
attr_check a/b/d/no "a/b/d/*" &&
attr_check a/b/d/yes unspecified
'
test_expect_success 'attribute matching is case sensitive when core.ignorecase=0' '
attr_check F unspecified "-c core.ignorecase=0" &&
attr_check a/F unspecified "-c core.ignorecase=0" &&
attr_check a/c/F unspecified "-c core.ignorecase=0" &&
attr_check a/G unspecified "-c core.ignorecase=0" &&
attr_check a/B/g a/g "-c core.ignorecase=0" &&
attr_check a/b/G unspecified "-c core.ignorecase=0" &&
attr_check a/b/H unspecified "-c core.ignorecase=0" &&
attr_check a/b/D/g a/g "-c core.ignorecase=0" &&
attr_check oNoFf unspecified "-c core.ignorecase=0" &&
attr_check oFfOn unspecified "-c core.ignorecase=0" &&
attr_check NO unspecified "-c core.ignorecase=0" &&
attr_check a/b/D/NO unspecified "-c core.ignorecase=0" &&
attr_check a/b/d/YES a/b/d/* "-c core.ignorecase=0" &&
attr_check a/E/f f "-c core.ignorecase=0"
'
test_expect_success 'attribute matching is case insensitive when core.ignorecase=1' '
attr_check F f "-c core.ignorecase=1" &&
attr_check a/F f "-c core.ignorecase=1" &&
attr_check a/c/F f "-c core.ignorecase=1" &&
attr_check a/G a/g "-c core.ignorecase=1" &&
attr_check a/B/g a/b/g "-c core.ignorecase=1" &&
attr_check a/b/G a/b/g "-c core.ignorecase=1" &&
attr_check a/b/H a/b/h "-c core.ignorecase=1" &&
attr_check a/b/D/g "a/b/d/*" "-c core.ignorecase=1" &&
attr_check oNoFf unset "-c core.ignorecase=1" &&
attr_check oFfOn set "-c core.ignorecase=1" &&
attr_check NO unspecified "-c core.ignorecase=1" &&
attr_check a/b/D/NO "a/b/d/*" "-c core.ignorecase=1" &&
attr_check a/b/d/YES unspecified "-c core.ignorecase=1" &&
attr_check a/E/f "A/e/F" "-c core.ignorecase=1"
'
test_expect_success CASE_INSENSITIVE_FS 'additional case insensitivity tests' '
attr_check a/B/D/g a/g "-c core.ignorecase=0" &&
attr_check A/B/D/NO unspecified "-c core.ignorecase=0" &&
attr_check A/b/h a/b/h "-c core.ignorecase=1" &&
attr_check a/B/D/g "a/b/d/*" "-c core.ignorecase=1" &&
attr_check A/B/D/NO "a/b/d/*" "-c core.ignorecase=1"
'
test_expect_success 'unnormalized paths' '
attr_check ./f f &&
attr_check ./a/g a/g &&
attr_check a/./g a/g &&
attr_check a/c/../b/g a/b/g
'
test_expect_success 'relative paths' '
(cd a && attr_check ../f f) &&
(cd a && attr_check f f) &&
(cd a && attr_check i a/i) &&
(cd a && attr_check g a/g) &&
(cd a && attr_check b/g a/b/g) &&
(cd b && attr_check ../a/f f) &&
(cd b && attr_check ../a/g a/g) &&
(cd b && attr_check ../a/b/g a/b/g)
'
test_expect_success 'prefixes are not confused with leading directories' '
attr_check a_plus/g unspecified &&
cat >expect <<-\EOF &&
a/g: test: a/g
a_plus/g: test: unspecified
EOF
git check-attr test a/g a_plus/g >actual &&
test_cmp expect actual
'
test_expect_success 'core.attributesfile' '
attr_check global unspecified &&
git config core.attributesfile "$HOME/global-gitattributes" &&
attr_check global global &&
git config core.attributesfile "~/global-gitattributes" &&
attr_check global global &&
echo "global test=precedence" >>.gitattributes &&
attr_check global precedence
'
test_expect_success 'attribute test: read paths from stdin' '
grep -v notest <expect-all >expect &&
sed -e "s/:.*//" <expect | git check-attr --stdin test >actual &&
test_cmp expect actual
'
test_expect_success 'setup --all option' '
grep -v unspecified <expect-all | sort >specified-all &&
sed -e "s/:.*//" <expect-all | uniq >stdin-all
'
test_expect_success 'attribute test: --all option' '
git check-attr --stdin --all <stdin-all >tmp &&
sort tmp >actual &&
test_cmp specified-all actual
'
test_expect_success 'attribute test: --cached option' '
git check-attr --cached --stdin --all <stdin-all >tmp &&
sort tmp >actual &&
test_must_be_empty actual &&
git add .gitattributes a/.gitattributes a/b/.gitattributes &&
git check-attr --cached --stdin --all <stdin-all >tmp &&
sort tmp >actual &&
test_cmp specified-all actual
'
test_expect_success 'root subdir attribute test' '
attr_check a/i a/i &&
attr_check subdir/a/i unspecified
'
test_expect_success 'negative patterns' '
echo "!f test=bar" >.gitattributes &&
git check-attr test -- '"'"'!f'"'"' 2>errors &&
test_i18ngrep "Negative patterns are ignored" errors
'
test_expect_success 'patterns starting with exclamation' '
echo "\!f test=foo" >.gitattributes &&
attr_check "!f" foo
'
test_expect_success '"**" test' '
echo "**/f foo=bar" >.gitattributes &&
cat <<\EOF >expect &&
f: foo: bar
a/f: foo: bar
a/b/f: foo: bar
a/b/c/f: foo: bar
EOF
git check-attr foo -- "f" >actual 2>err &&
git check-attr foo -- "a/f" >>actual 2>>err &&
git check-attr foo -- "a/b/f" >>actual 2>>err &&
git check-attr foo -- "a/b/c/f" >>actual 2>>err &&
test_cmp expect actual &&
test_must_be_empty err
'
test_expect_success '"**" with no slashes test' '
echo "a**f foo=bar" >.gitattributes &&
git check-attr foo -- "f" >actual &&
cat <<\EOF >expect &&
f: foo: unspecified
af: foo: bar
axf: foo: bar
a/f: foo: unspecified
a/b/f: foo: unspecified
a/b/c/f: foo: unspecified
EOF
git check-attr foo -- "f" >actual 2>err &&
git check-attr foo -- "af" >>actual 2>err &&
git check-attr foo -- "axf" >>actual 2>err &&
git check-attr foo -- "a/f" >>actual 2>>err &&
git check-attr foo -- "a/b/f" >>actual 2>>err &&
git check-attr foo -- "a/b/c/f" >>actual 2>>err &&
test_cmp expect actual &&
test_must_be_empty err
'
test_expect_success 'using --git-dir and --work-tree' '
mkdir unreal real &&
git init real &&
echo "file test=in-real" >real/.gitattributes &&
(
cd unreal &&
attr_check file in-real "--git-dir ../real/.git --work-tree ../real"
)
'
test_expect_success 'using --source' '
attr_check_source foo/bar/f f tag-1 &&
attr_check_source foo/bar/a/i n tag-1 &&
attr_check_source foo/bar/f unspecified tag-2 &&
attr_check_source foo/bar/a/i m tag-2 &&
attr_check_source foo/bar/g g tag-2 &&
attr_check_source foo/bar/g unspecified tag-1
'
test_expect_success 'setup bare' '
git clone --template= --bare . bare.git
'
test_expect_success 'bare repository: check that .gitattribute is ignored' '
(
cd bare.git &&
(
echo "f test=f" &&
echo "a/i test=a/i"
) >.gitattributes &&
attr_check f unspecified &&
attr_check a/f unspecified &&
attr_check a/c/f unspecified &&
attr_check a/i unspecified &&
attr_check subdir/a/i unspecified
)
'
bad_attr_source_err="fatal: bad --attr-source or GIT_ATTR_SOURCE"
test_expect_success '--attr-source is bad' '
test_when_finished rm -rf empty &&
git init empty &&
(
cd empty &&
echo "$bad_attr_source_err" >expect_err &&
test_must_fail git --attr-source=HEAD check-attr test -- f/path 2>err &&
test_cmp expect_err err
)
'
test_expect_success 'attr.tree when HEAD is unborn' '
test_when_finished rm -rf empty &&
git init empty &&
(
cd empty &&
echo "f/path: test: unspecified" >expect &&
git -c attr.tree=HEAD check-attr test -- f/path >actual 2>err &&
test_must_be_empty err &&
test_cmp expect actual
)
'
test_expect_success 'bad attr source defaults to reading .gitattributes file' '
test_when_finished rm -rf empty &&
git init empty &&
(
cd empty &&
echo "f/path test=val" >.gitattributes &&
echo "f/path: test: val" >expect &&
git -c attr.tree=HEAD check-attr test -- f/path >actual 2>err &&
test_must_be_empty err &&
test_cmp expect actual
)
'
test_expect_success 'bare repo defaults to reading .gitattributes from HEAD' '
test_when_finished rm -rf test bare_with_gitattribute &&
git init test &&
test_commit -C test gitattributes .gitattributes "f/path test=val" &&
git clone --bare test bare_with_gitattribute &&
echo "f/path: test: val" >expect &&
git -C bare_with_gitattribute check-attr test -- f/path >actual &&
test_cmp expect actual
'
test_expect_success 'precedence of --attr-source, GIT_ATTR_SOURCE, then attr.tree' '
test_when_finished rm -rf empty &&
git init empty &&
(
cd empty &&
git checkout -b attr-source &&
test_commit "val1" .gitattributes "f/path test=val1" &&
git checkout -b attr-tree &&
test_commit "val2" .gitattributes "f/path test=val2" &&
git checkout attr-source &&
echo "f/path: test: val1" >expect &&
GIT_ATTR_SOURCE=attr-source git -c attr.tree=attr-tree --attr-source=attr-source \
check-attr test -- f/path >actual &&
test_cmp expect actual &&
GIT_ATTR_SOURCE=attr-source git -c attr.tree=attr-tree \
check-attr test -- f/path >actual &&
test_cmp expect actual
)
'
test_expect_success 'bare repository: with --source' '
(
cd bare.git &&
attr_check_source foo/bar/f f tag-1 &&
attr_check_source foo/bar/a/i n tag-1 &&
attr_check_source foo/bar/f unspecified tag-2 &&
attr_check_source foo/bar/a/i m tag-2 &&
attr_check_source foo/bar/g g tag-2 &&
attr_check_source foo/bar/g unspecified tag-1
)
'
test_expect_success 'bare repository: check that --cached honors index' '
(
cd bare.git &&
GIT_INDEX_FILE=../.git/index \
git check-attr --cached --stdin --all <../stdin-all |
sort >actual &&
test_cmp ../specified-all actual
)
'
test_expect_success 'bare repository: test info/attributes' '
(
cd bare.git &&
mkdir info &&
(
echo "f test=f" &&
echo "a/i test=a/i"
) >info/attributes &&
attr_check f f &&
attr_check a/f f &&
attr_check a/c/f f &&
attr_check a/i a/i &&
attr_check subdir/a/i unspecified
)
'
test_expect_success 'binary macro expanded by -a' '
echo "file binary" >.gitattributes &&
cat >expect <<-\EOF &&
file: binary: set
file: diff: unset
file: merge: unset
file: text: unset
EOF
git check-attr -a file >actual &&
test_cmp expect actual
'
test_expect_success 'query binary macro directly' '
echo "file binary" >.gitattributes &&
echo file: binary: set >expect &&
git check-attr binary file >actual &&
test_cmp expect actual
'
test_expect_success SYMLINKS 'set up symlink tests' '
echo "* test" >attr &&
rm -f .gitattributes
'
test_expect_success SYMLINKS 'symlinks respected in core.attributesFile' '
test_when_finished "rm symlink" &&
ln -s attr symlink &&
test_config core.attributesFile "$(pwd)/symlink" &&
attr_check file set
'
test_expect_success SYMLINKS 'symlinks respected in info/attributes' '
test_when_finished "rm .git/info/attributes" &&
mkdir .git/info &&
ln -s ../../attr .git/info/attributes &&
attr_check file set
'
test_expect_success SYMLINKS 'symlinks not respected in-tree' '
test_when_finished "rm -rf .gitattributes subdir" &&
ln -s attr .gitattributes &&
mkdir subdir &&
ln -s ../attr subdir/.gitattributes &&
attr_check_basic subdir/file unspecified &&
test_i18ngrep "unable to access.*gitattributes" err
'
test_expect_success 'large attributes line ignored in tree' '
test_when_finished "rm .gitattributes" &&
printf "path %02043d" 1 >.gitattributes &&
git check-attr --all path >actual 2>err &&
echo "warning: ignoring overly long attributes line 1" >expect &&
test_cmp expect err &&
test_must_be_empty actual
'
test_expect_success 'large attributes line ignores trailing content in tree' '
test_when_finished "rm .gitattributes" &&
# older versions of Git broke lines at 2048 bytes; the 2045 bytes
# of 0-padding here is accounting for the three bytes of "a 1", which
# would knock "trailing" to the "next" line, where it would be
# erroneously parsed.
printf "a %02045dtrailing attribute\n" 1 >.gitattributes &&
git check-attr --all trailing >actual 2>err &&
echo "warning: ignoring overly long attributes line 1" >expect &&
test_cmp expect err &&
test_must_be_empty actual
'
test_expect_success EXPENSIVE 'large attributes file ignored in tree' '
test_when_finished "rm .gitattributes" &&
dd if=/dev/zero of=.gitattributes bs=1048576 count=101 2>/dev/null &&
git check-attr --all path >/dev/null 2>err &&
echo "warning: ignoring overly large gitattributes file ${SQ}.gitattributes${SQ}" >expect &&
test_cmp expect err
'
test_expect_success 'large attributes line ignored in index' '
test_when_finished "git update-index --remove .gitattributes" &&
blob=$(printf "path %02043d" 1 | git hash-object -w --stdin) &&
git update-index --add --cacheinfo 100644,$blob,.gitattributes &&
git check-attr --cached --all path >actual 2>err &&
echo "warning: ignoring overly long attributes line 1" >expect &&
test_cmp expect err &&
test_must_be_empty actual
'
test_expect_success 'large attributes line ignores trailing content in index' '
test_when_finished "git update-index --remove .gitattributes" &&
blob=$(printf "a %02045dtrailing attribute\n" 1 | git hash-object -w --stdin) &&
git update-index --add --cacheinfo 100644,$blob,.gitattributes &&
git check-attr --cached --all trailing >actual 2>err &&
echo "warning: ignoring overly long attributes line 1" >expect &&
test_cmp expect err &&
test_must_be_empty actual
'
test_expect_success EXPENSIVE 'large attributes file ignored in index' '
test_when_finished "git update-index --remove .gitattributes" &&
blob=$(dd if=/dev/zero bs=1048576 count=101 2>/dev/null | git hash-object -w --stdin) &&
git update-index --add --cacheinfo 100644,$blob,.gitattributes &&
git check-attr --cached --all path >/dev/null 2>err &&
echo "warning: ignoring overly large gitattributes blob ${SQ}.gitattributes${SQ}" >expect &&
test_cmp expect err
'
test_done
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