git/t/t0021-conversion.sh

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#!/bin/sh
test_description='blob conversion via gitattributes'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
PATH=$PWD:$PATH
TEST_ROOT="$(pwd)"
write_script <<\EOF "$TEST_ROOT/rot13.sh"
tr \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \
'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
EOF
generate_random_characters () {
LEN=$1
NAME=$2
test-tool genrandom some-seed $LEN |
perl -pe "s/./chr((ord($&) % 26) + ord('a'))/sge" >"$TEST_ROOT/$NAME"
}
filter_git () {
rm -f *.log &&
git "$@"
}
# Compare two files and ensure that `clean` and `smudge` respectively are
# called at least once if specified in the `expect` file. The actual
# invocation count is not relevant because their number can vary.
# c.f. https://lore.kernel.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
test_cmp_count () {
expect=$1
actual=$2
for FILE in "$expect" "$actual"
do
sort "$FILE" | uniq -c |
sed -e "s/^ *[0-9][0-9]*[ ]*IN: /x IN: /" >"$FILE.tmp"
done &&
test_cmp "$expect.tmp" "$actual.tmp" &&
rm "$expect.tmp" "$actual.tmp"
}
# Compare two files but exclude all `clean` invocations because Git can
# call `clean` zero or more times.
# c.f. https://lore.kernel.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
test_cmp_exclude_clean () {
expect=$1
actual=$2
for FILE in "$expect" "$actual"
do
grep -v "IN: clean" "$FILE" >"$FILE.tmp"
done &&
test_cmp "$expect.tmp" "$actual.tmp" &&
rm "$expect.tmp" "$actual.tmp"
}
# Check that the contents of two files are equal and that their rot13 version
# is equal to the committed content.
test_cmp_committed_rot13 () {
test_cmp "$1" "$2" &&
rot13.sh <"$1" >expected &&
git cat-file blob :"$2" >actual &&
test_cmp expected actual
}
test_expect_success setup '
git config filter.rot13.smudge ./rot13.sh &&
git config filter.rot13.clean ./rot13.sh &&
{
echo "*.t filter=rot13" &&
echo "*.i ident"
} >.gitattributes &&
{
echo a b c d e f g h i j k l m &&
echo n o p q r s t u v w x y z &&
echo '\''$Id$'\''
} >test &&
cat test >test.t &&
cat test >test.o &&
cat test >test.i &&
git add test test.t test.i &&
rm -f test test.t test.i &&
git checkout -- test test.t test.i &&
echo "content-test2" >test2.o &&
echo "content-test3 - filename with special characters" >"test3 '\''sq'\'',\$x=.o"
'
script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
test_expect_success check '
test_cmp test.o test &&
test_cmp test.o test.t &&
# ident should be stripped in the repository
git diff --raw --exit-code :test :test.i &&
id=$(git rev-parse --verify :test) &&
embedded=$(sed -ne "$script" test.i) &&
test "z$id" = "z$embedded" &&
git cat-file blob :test.t >test.r &&
./rot13.sh <test.o >test.t &&
test_cmp test.r test.t
'
# If an expanded ident ever gets into the repository, we want to make sure that
# it is collapsed before being expanded again on checkout
test_expect_success expanded_in_repo '
cat >expanded-keywords.0 <<-\EOF &&
File with expanded keywords
$Id$
$Id:$
$Id: 0000000000000000000000000000000000000000 $
$Id: NoSpaceAtEnd$
$Id:NoSpaceAtFront $
$Id:NoSpaceAtEitherEnd$
$Id: NoTerminatingSymbol
$Id: Foreign Commit With Spaces $
EOF
{
cat expanded-keywords.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expanded-keywords &&
cat expanded-keywords >expanded-keywords-crlf &&
git add expanded-keywords expanded-keywords-crlf &&
git commit -m "File with keywords expanded" &&
id=$(git rev-parse --verify :expanded-keywords) &&
cat >expected-output.0 <<-EOF &&
File with expanded keywords
\$Id: $id \$
\$Id: $id \$
\$Id: $id \$
\$Id: $id \$
\$Id: $id \$
\$Id: $id \$
\$Id: NoTerminatingSymbol
\$Id: Foreign Commit With Spaces \$
EOF
{
cat expected-output.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expected-output &&
{
append_cr <expected-output.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expected-output-crlf &&
{
echo "expanded-keywords ident" &&
echo "expanded-keywords-crlf ident text eol=crlf"
} >>.gitattributes &&
rm -f expanded-keywords expanded-keywords-crlf &&
git checkout -- expanded-keywords &&
test_cmp expected-output expanded-keywords &&
git checkout -- expanded-keywords-crlf &&
test_cmp expected-output-crlf expanded-keywords-crlf
'
# The use of %f in a filter definition is expanded to the path to
# the filename being smudged or cleaned. It must be shell escaped.
# First, set up some interesting file names and pet them in
# .gitattributes.
test_expect_success 'filter shell-escaped filenames' '
cat >argc.sh <<-EOF &&
#!$SHELL_PATH
cat >/dev/null
echo argc: \$# "\$@"
EOF
normal=name-no-magic &&
special="name with '\''sq'\'' and \$x" &&
echo some test text >"$normal" &&
echo some test text >"$special" &&
git add "$normal" "$special" &&
git commit -q -m "add files" &&
echo "name* filter=argc" >.gitattributes &&
# delete the files and check them out again, using a smudge filter
# that will count the args and echo the command-line back to us
test_config filter.argc.smudge "sh ./argc.sh %f" &&
rm "$normal" "$special" &&
git checkout -- "$normal" "$special" &&
# make sure argc.sh counted the right number of args
echo "argc: 1 $normal" >expect &&
test_cmp expect "$normal" &&
echo "argc: 1 $special" >expect &&
test_cmp expect "$special" &&
# do the same thing, but with more args in the filter expression
test_config filter.argc.smudge "sh ./argc.sh %f --my-extra-arg" &&
rm "$normal" "$special" &&
git checkout -- "$normal" "$special" &&
# make sure argc.sh counted the right number of args
echo "argc: 2 $normal --my-extra-arg" >expect &&
test_cmp expect "$normal" &&
echo "argc: 2 $special --my-extra-arg" >expect &&
test_cmp expect "$special" &&
:
'
test_expect_success 'required filter should filter data' '
test_config filter.required.smudge ./rot13.sh &&
test_config filter.required.clean ./rot13.sh &&
test_config filter.required.required true &&
echo "*.r filter=required" >.gitattributes &&
cat test.o >test.r &&
git add test.r &&
rm -f test.r &&
git checkout -- test.r &&
test_cmp test.o test.r &&
./rot13.sh <test.o >expected &&
git cat-file blob :test.r >actual &&
test_cmp expected actual
'
test_expect_success 'required filter smudge failure' '
test_config filter.failsmudge.smudge false &&
test_config filter.failsmudge.clean cat &&
test_config filter.failsmudge.required true &&
echo "*.fs filter=failsmudge" >.gitattributes &&
echo test >test.fs &&
git add test.fs &&
rm -f test.fs &&
test_must_fail git checkout -- test.fs
'
test_expect_success 'required filter clean failure' '
test_config filter.failclean.smudge cat &&
test_config filter.failclean.clean false &&
test_config filter.failclean.required true &&
echo "*.fc filter=failclean" >.gitattributes &&
echo test >test.fc &&
test_must_fail git add test.fc
'
test_expect_success 'required filter with absent clean field' '
test_config filter.absentclean.smudge cat &&
test_config filter.absentclean.required true &&
echo "*.ac filter=absentclean" >.gitattributes &&
echo test >test.ac &&
test_must_fail git add test.ac 2>stderr &&
test_grep "fatal: test.ac: clean filter .absentclean. failed" stderr
'
test_expect_success 'required filter with absent smudge field' '
test_config filter.absentsmudge.clean cat &&
test_config filter.absentsmudge.required true &&
echo "*.as filter=absentsmudge" >.gitattributes &&
echo test >test.as &&
git add test.as &&
rm -f test.as &&
test_must_fail git checkout -- test.as 2>stderr &&
test_grep "fatal: test.as: smudge filter absentsmudge failed" stderr
'
test_expect_success 'filtering large input to small output should use little memory' '
test_config filter.devnull.clean "cat >/dev/null" &&
test_config filter.devnull.required true &&
for i in $(test_seq 1 30); do printf "%1048576d" 1 || return 1; done >30MB &&
echo "30MB filter=devnull" >.gitattributes &&
GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
'
test_expect_success 'filter that does not read is fine' '
test-tool genrandom foo $((128 * 1024 + 1)) >big &&
echo "big filter=epipe" >.gitattributes &&
test_config filter.epipe.clean "echo xyzzy" &&
git add big &&
git cat-file blob :big >actual &&
echo xyzzy >expect &&
test_cmp expect actual
'
test_expect_success EXPENSIVE 'filter large file' '
test_config filter.largefile.smudge cat &&
test_config filter.largefile.clean cat &&
for i in $(test_seq 1 2048); do printf "%1048576d" 1 || return 1; done >2GB &&
echo "2GB filter=largefile" >.gitattributes &&
git add 2GB 2>err &&
test_must_be_empty err &&
rm -f 2GB &&
git checkout -- 2GB 2>err &&
test_must_be_empty err
'
test_expect_success "filter: clean empty file" '
test_config filter.in-repo-header.clean "echo cleaned && cat" &&
test_config filter.in-repo-header.smudge "sed 1d" &&
echo "empty-in-worktree filter=in-repo-header" >>.gitattributes &&
>empty-in-worktree &&
echo cleaned >expected &&
git add empty-in-worktree &&
git show :empty-in-worktree >actual &&
test_cmp expected actual
'
test_expect_success "filter: smudge empty file" '
test_config filter.empty-in-repo.clean "cat >/dev/null" &&
test_config filter.empty-in-repo.smudge "echo smudged && cat" &&
echo "empty-in-repo filter=empty-in-repo" >>.gitattributes &&
echo dead data walking >empty-in-repo &&
git add empty-in-repo &&
echo smudged >expected &&
git checkout-index --prefix=filtered- empty-in-repo &&
test_cmp expected filtered-empty-in-repo
'
test_expect_success 'disable filter with empty override' '
test_config_global filter.disable.smudge false &&
test_config_global filter.disable.clean false &&
test_config filter.disable.smudge false &&
test_config filter.disable.clean false &&
echo "*.disable filter=disable" >.gitattributes &&
echo test >test.disable &&
git -c filter.disable.clean= add test.disable 2>err &&
test_must_be_empty err &&
rm -f test.disable &&
git -c filter.disable.smudge= checkout -- test.disable 2>err &&
test_must_be_empty err
'
test_expect_success 'diff does not reuse worktree files that need cleaning' '
test_config filter.counter.clean "echo . >>count; sed s/^/clean:/" &&
echo "file filter=counter" >.gitattributes &&
test_commit one file &&
test_commit two file &&
>count &&
git diff-tree -p HEAD &&
test_line_count = 0 count
'
test_expect_success 'required process filter should filter data' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean smudge" &&
test_config_global filter.protocol.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
git add . &&
git commit -m "test commit 1" &&
git branch empty-branch &&
cp "$TEST_ROOT/test.o" test.r &&
cp "$TEST_ROOT/test2.o" test2.r &&
mkdir testsubdir &&
cp "$TEST_ROOT/test3 '\''sq'\'',\$x=.o" "testsubdir/test3 '\''sq'\'',\$x=.r" &&
>test4-empty.r &&
S=$(test_file_size test.r) &&
S2=$(test_file_size test2.r) &&
S3=$(test_file_size "testsubdir/test3 '\''sq'\'',\$x=.r") &&
M=$(git hash-object test.r) &&
M2=$(git hash-object test2.r) &&
M3=$(git hash-object "testsubdir/test3 '\''sq'\'',\$x=.r") &&
EMPTY=$(git hash-object /dev/null) &&
filter_git add . &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: clean test.r $S [OK] -- OUT: $S . [OK]
IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
IN: clean test4-empty.r 0 [OK] -- OUT: 0 [OK]
IN: clean testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_count expected.log debug.log &&
git commit -m "test commit 2" &&
MAIN=$(git rev-parse --verify main) &&
META="ref=refs/heads/main treeish=$MAIN" &&
rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x=.r" &&
filter_git checkout --quiet --no-progress . &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test2.r blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
# Make sure that the file appears dirty, so checkout below has to
# run the configured filter.
touch test.r &&
filter_git checkout --quiet --no-progress empty-branch &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: clean test.r $S [OK] -- OUT: $S . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
filter_git checkout --quiet --no-progress main &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0 [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
test_cmp_committed_rot13 "$TEST_ROOT/test3 '\''sq'\'',\$x=.o" "testsubdir/test3 '\''sq'\'',\$x=.r"
)
'
test_expect_success 'required process filter should filter data for various subcommands' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean smudge" &&
test_config_global filter.protocol.required true &&
(
cd repo &&
S=$(test_file_size test.r) &&
S2=$(test_file_size test2.r) &&
S3=$(test_file_size "testsubdir/test3 '\''sq'\'',\$x=.r") &&
M=$(git hash-object test.r) &&
M2=$(git hash-object test2.r) &&
M3=$(git hash-object "testsubdir/test3 '\''sq'\'',\$x=.r") &&
EMPTY=$(git hash-object /dev/null) &&
MAIN=$(git rev-parse --verify main) &&
cp "$TEST_ROOT/test.o" test5.r &&
git add test5.r &&
git commit -m "test commit 3" &&
git checkout empty-branch &&
filter_git rebase --onto empty-branch main^^ main &&
MAIN2=$(git rev-parse --verify main) &&
META="ref=refs/heads/main treeish=$MAIN2" &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0 [OK]
IN: smudge test5.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
git reset --hard empty-branch &&
filter_git reset --hard $MAIN &&
META="treeish=$MAIN" &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0 [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
git branch old-main $MAIN &&
git reset --hard empty-branch &&
filter_git reset --hard old-main &&
META="ref=refs/heads/old-main treeish=$MAIN" &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0 [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
git checkout -b merge empty-branch &&
git branch -f main $MAIN2 &&
filter_git merge main &&
META="treeish=$MAIN2" &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0 [OK]
IN: smudge test5.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
filter_git archive main >/dev/null &&
META="ref=refs/heads/main treeish=$MAIN2" &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0 [OK]
IN: smudge test5.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
TREE="$(git rev-parse $MAIN2^{tree})" &&
filter_git archive $TREE >/dev/null &&
META="treeish=$TREE" &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0 [OK]
IN: smudge test5.r $META blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log
)
'
test_expect_success 'required process filter takes precedence' '
test_config_global filter.protocol.clean false &&
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean" &&
test_config_global filter.protocol.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
S=$(test_file_size test.r) &&
# Check that the process filter is invoked here
filter_git add . &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: clean test.r $S [OK] -- OUT: $S . [OK]
STOP
EOF
test_cmp_count expected.log debug.log
)
'
test_expect_success 'required process filter should be used only for "clean" operation only' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean" &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
S=$(test_file_size test.r) &&
filter_git add . &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: clean test.r $S [OK] -- OUT: $S . [OK]
STOP
EOF
test_cmp_count expected.log debug.log &&
rm test.r &&
filter_git checkout --quiet --no-progress . &&
# If the filter would be used for "smudge", too, we would see
# "IN: smudge test.r 57 [OK] -- OUT: 57 . [OK]" here
cat >expected.log <<-EOF &&
START
init handshake complete
STOP
EOF
test_cmp_exclude_clean expected.log debug.log
)
'
test_expect_success 'required process filter should process multiple packets' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean smudge" &&
test_config_global filter.protocol.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
# Generate data requiring 1, 2, 3 packets
S=65516 && # PKTLINE_DATA_MAXLEN -> Maximal size of a packet
generate_random_characters $(($S )) 1pkt_1__.file &&
generate_random_characters $(($S +1)) 2pkt_1+1.file &&
generate_random_characters $(($S*2-1)) 2pkt_2-1.file &&
generate_random_characters $(($S*2 )) 2pkt_2__.file &&
generate_random_characters $(($S*2+1)) 3pkt_2+1.file &&
for FILE in "$TEST_ROOT"/*.file
do
cp "$FILE" . &&
rot13.sh <"$FILE" >"$FILE.rot13" || return 1
done &&
echo "*.file filter=protocol" >.gitattributes &&
filter_git add *.file .gitattributes &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: clean 1pkt_1__.file $(($S )) [OK] -- OUT: $(($S )) . [OK]
IN: clean 2pkt_1+1.file $(($S +1)) [OK] -- OUT: $(($S +1)) .. [OK]
IN: clean 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
IN: clean 2pkt_2__.file $(($S*2 )) [OK] -- OUT: $(($S*2 )) .. [OK]
IN: clean 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
STOP
EOF
test_cmp_count expected.log debug.log &&
M1="blob=$(git hash-object 1pkt_1__.file)" &&
M2="blob=$(git hash-object 2pkt_1+1.file)" &&
M3="blob=$(git hash-object 2pkt_2-1.file)" &&
M4="blob=$(git hash-object 2pkt_2__.file)" &&
M5="blob=$(git hash-object 3pkt_2+1.file)" &&
rm -f *.file debug.log &&
filter_git checkout --quiet --no-progress -- *.file &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge 1pkt_1__.file $M1 $(($S )) [OK] -- OUT: $(($S )) . [OK]
IN: smudge 2pkt_1+1.file $M2 $(($S +1)) [OK] -- OUT: $(($S +1)) .. [OK]
IN: smudge 2pkt_2-1.file $M3 $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
IN: smudge 2pkt_2__.file $M4 $(($S*2 )) [OK] -- OUT: $(($S*2 )) .. [OK]
IN: smudge 3pkt_2+1.file $M5 $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
for FILE in *.file
do
test_cmp_committed_rot13 "$TEST_ROOT/$FILE" $FILE || return 1
done
)
'
test_expect_success 'required process filter with clean error should fail' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean smudge" &&
test_config_global filter.protocol.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
echo "this is going to fail" >clean-write-fail.r &&
echo "content-test3-subdir" >test3.r &&
test_must_fail git add .
)
'
test_expect_success 'process filter should restart after unexpected write failure' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean smudge" &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
cp "$TEST_ROOT/test2.o" test2.r &&
echo "this is going to fail" >smudge-write-fail.o &&
cp smudge-write-fail.o smudge-write-fail.r &&
S=$(test_file_size test.r) &&
S2=$(test_file_size test2.r) &&
SF=$(test_file_size smudge-write-fail.r) &&
M=$(git hash-object test.r) &&
M2=$(git hash-object test2.r) &&
MF=$(git hash-object smudge-write-fail.r) &&
rm -f debug.log &&
git add . &&
rm -f *.r &&
rm -f debug.log &&
git checkout --quiet --no-progress . 2>git-stderr.log &&
grep "smudge write error" git-stderr.log &&
test_grep "error: external filter" git-stderr.log &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge smudge-write-fail.r blob=$MF $SF [OK] -- [WRITE FAIL]
START
init handshake complete
IN: smudge test.r blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
# Smudge failed
! test_cmp smudge-write-fail.o smudge-write-fail.r &&
rot13.sh <smudge-write-fail.o >expected &&
git cat-file blob :smudge-write-fail.r >actual &&
test_cmp expected actual
)
'
test_expect_success 'process filter should not be restarted if it signals an error' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean smudge" &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
cp "$TEST_ROOT/test2.o" test2.r &&
echo "this will cause an error" >error.o &&
cp error.o error.r &&
S=$(test_file_size test.r) &&
S2=$(test_file_size test2.r) &&
SE=$(test_file_size error.r) &&
M=$(git hash-object test.r) &&
M2=$(git hash-object test2.r) &&
ME=$(git hash-object error.r) &&
rm -f debug.log &&
git add . &&
rm -f *.r &&
filter_git checkout --quiet --no-progress . &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge error.r blob=$ME $SE [OK] -- [ERROR]
IN: smudge test.r blob=$M $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
test_cmp error.o error.r
)
'
test_expect_success 'process filter abort stops processing of all further files' '
test_config_global filter.protocol.process "test-tool rot13-filter --log=debug.log clean smudge" &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
cp "$TEST_ROOT/test2.o" test2.r &&
echo "error this blob and all future blobs" >abort.o &&
cp abort.o abort.r &&
M="blob=$(git hash-object abort.r)" &&
rm -f debug.log &&
SA=$(test_file_size abort.r) &&
git add . &&
rm -f *.r &&
# Note: This test assumes that Git filters files in alphabetical
# order ("abort.r" before "test.r").
filter_git checkout --quiet --no-progress . &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge abort.r $M $SA [OK] -- [ABORT]
STOP
EOF
test_cmp_exclude_clean expected.log debug.log &&
test_cmp "$TEST_ROOT/test.o" test.r &&
test_cmp "$TEST_ROOT/test2.o" test2.r &&
test_cmp abort.o abort.r
)
'
test_expect_success PERL 'invalid process filter must fail (and not hang!)' '
test_config_global filter.protocol.process cat &&
test_config_global filter.protocol.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
test_must_fail git add . 2>git-stderr.log &&
grep "expected git-filter-server" git-stderr.log
)
'
test_expect_success 'delayed checkout in process filter' '
test_config_global filter.a.process "test-tool rot13-filter --log=a.log clean smudge delay" &&
test_config_global filter.a.required true &&
test_config_global filter.b.process "test-tool rot13-filter --log=b.log clean smudge delay" &&
test_config_global filter.b.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.a filter=a" >.gitattributes &&
echo "*.b filter=b" >>.gitattributes &&
cp "$TEST_ROOT/test.o" test.a &&
cp "$TEST_ROOT/test.o" test-delay10.a &&
cp "$TEST_ROOT/test.o" test-delay11.a &&
cp "$TEST_ROOT/test.o" test-delay20.a &&
cp "$TEST_ROOT/test.o" test-delay10.b &&
git add . &&
git commit -m "test commit"
) &&
S=$(test_file_size "$TEST_ROOT/test.o") &&
PM="ref=refs/heads/main treeish=$(git -C repo rev-parse --verify main) " &&
M="${PM}blob=$(git -C repo rev-parse --verify main:test.a)" &&
cat >a.exp <<-EOF &&
START
init handshake complete
IN: smudge test.a $M $S [OK] -- OUT: $S . [OK]
IN: smudge test-delay10.a $M $S [OK] -- [DELAYED]
IN: smudge test-delay11.a $M $S [OK] -- [DELAYED]
IN: smudge test-delay20.a $M $S [OK] -- [DELAYED]
IN: list_available_blobs test-delay10.a test-delay11.a [OK]
IN: smudge test-delay10.a $M 0 [OK] -- OUT: $S . [OK]
IN: smudge test-delay11.a $M 0 [OK] -- OUT: $S . [OK]
IN: list_available_blobs test-delay20.a [OK]
IN: smudge test-delay20.a $M 0 [OK] -- OUT: $S . [OK]
IN: list_available_blobs [OK]
STOP
EOF
cat >b.exp <<-EOF &&
START
init handshake complete
IN: smudge test-delay10.b $M $S [OK] -- [DELAYED]
IN: list_available_blobs test-delay10.b [OK]
IN: smudge test-delay10.b $M 0 [OK] -- OUT: $S . [OK]
IN: list_available_blobs [OK]
STOP
EOF
rm -rf repo-cloned &&
filter_git clone repo repo-cloned &&
test_cmp_count a.exp repo-cloned/a.log &&
test_cmp_count b.exp repo-cloned/b.log &&
(
cd repo-cloned &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay11.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay20.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.b &&
rm *.a *.b &&
filter_git checkout . &&
# We are not checking out a ref here, so filter out ref metadata.
sed -e "s!$PM!!" ../a.exp >a.exp.filtered &&
sed -e "s!$PM!!" ../b.exp >b.exp.filtered &&
test_cmp_count a.exp.filtered a.log &&
test_cmp_count b.exp.filtered b.log &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay11.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay20.a &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.b
)
'
test_expect_success 'missing file in delayed checkout' '
test_config_global filter.bug.process "test-tool rot13-filter --log=bug.log clean smudge delay" &&
test_config_global filter.bug.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.a filter=bug" >.gitattributes &&
cp "$TEST_ROOT/test.o" missing-delay.a &&
git add . &&
git commit -m "test commit"
) &&
rm -rf repo-cloned &&
test_must_fail git clone repo repo-cloned 2>git-stderr.log &&
grep "error: .missing-delay\.a. was not filtered properly" git-stderr.log
'
test_expect_success 'invalid file in delayed checkout' '
test_config_global filter.bug.process "test-tool rot13-filter --log=bug.log clean smudge delay" &&
test_config_global filter.bug.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.a filter=bug" >.gitattributes &&
cp "$TEST_ROOT/test.o" invalid-delay.a &&
cp "$TEST_ROOT/test.o" unfiltered &&
git add . &&
git commit -m "test commit"
) &&
rm -rf repo-cloned &&
test_must_fail git clone repo repo-cloned 2>git-stderr.log &&
grep "error: external filter .* signaled that .unfiltered. is now available although it has not been delayed earlier" git-stderr.log
'
for mode in 'case' 'utf-8'
do
case "$mode" in
case) dir='A' symlink='a' mode_prereq='CASE_INSENSITIVE_FS' ;;
utf-8)
dir=$(printf "\141\314\210") symlink=$(printf "\303\244")
mode_prereq='UTF8_NFD_TO_NFC' ;;
esac
test_expect_success SYMLINKS,$mode_prereq \
"delayed checkout with $mode-collision don't write to the wrong place" '
test_config_global filter.delay.process \
"test-tool rot13-filter --always-delay --log=delayed.log clean smudge delay" &&
test_config_global filter.delay.required true &&
git init $mode-collision &&
(
cd $mode-collision &&
mkdir target-dir &&
empty_oid=$(printf "" | git hash-object -w --stdin) &&
symlink_oid=$(printf "%s" "$PWD/target-dir" | git hash-object -w --stdin) &&
attr_oid=$(echo "$dir/z filter=delay" | git hash-object -w --stdin) &&
cat >objs <<-EOF &&
100644 blob $empty_oid $dir/x
100644 blob $empty_oid $dir/y
100644 blob $empty_oid $dir/z
120000 blob $symlink_oid $symlink
100644 blob $attr_oid .gitattributes
EOF
git update-index --index-info <objs &&
git commit -m "test commit"
) &&
git clone $mode-collision $mode-collision-cloned &&
# Make sure z was really delayed
grep "IN: smudge $dir/z .* \\[DELAYED\\]" $mode-collision-cloned/delayed.log &&
# Should not create $dir/z at $symlink/z
test_path_is_missing $mode-collision/target-dir/z
'
done
test_expect_success SYMLINKS,CASE_INSENSITIVE_FS \
"delayed checkout with submodule collision don't write to the wrong place" '
git init collision-with-submodule &&
(
cd collision-with-submodule &&
git config filter.delay.process "test-tool rot13-filter --always-delay --log=delayed.log clean smudge delay" &&
git config filter.delay.required true &&
# We need Git to treat the submodule "a" and the
# leading dir "A" as different paths in the index.
git config --local core.ignoreCase false &&
empty_oid=$(printf "" | git hash-object -w --stdin) &&
attr_oid=$(echo "A/B/y filter=delay" | git hash-object -w --stdin) &&
cat >objs <<-EOF &&
100644 blob $empty_oid A/B/x
100644 blob $empty_oid A/B/y
100644 blob $attr_oid .gitattributes
EOF
git update-index --index-info <objs &&
git init a &&
mkdir target-dir &&
symlink_oid=$(printf "%s" "$PWD/target-dir" | git -C a hash-object -w --stdin) &&
echo "120000 blob $symlink_oid b" >objs &&
git -C a update-index --index-info <objs &&
git -C a commit -m sub &&
git submodule add ./a &&
git commit -m super &&
git checkout --recurse-submodules . &&
grep "IN: smudge A/B/y .* \\[DELAYED\\]" delayed.log &&
test_path_is_missing target-dir/y
)
'
test_expect_success 'setup for progress tests' '
git init progress &&
(
cd progress &&
git config filter.delay.process "test-tool rot13-filter --log=delay-progress.log clean smudge delay" &&
git config filter.delay.required true &&
echo "*.a filter=delay" >.gitattributes &&
touch test-delay10.a &&
git add . &&
git commit -m files
)
'
test_delayed_checkout_progress () {
if test "$1" = "!"
then
local expect_progress=N &&
shift
else
local expect_progress=
fi &&
if test $# -lt 1
then
BUG "no command given to test_delayed_checkout_progress"
fi &&
(
cd progress &&
GIT_PROGRESS_DELAY=0 &&
export GIT_PROGRESS_DELAY &&
rm -f *.a delay-progress.log &&
"$@" 2>err &&
grep "IN: smudge test-delay10.a .* \\[DELAYED\\]" delay-progress.log &&
if test "$expect_progress" = N
then
! grep "Filtering content" err
else
grep "Filtering content" err
fi
)
}
for mode in pathspec branch
do
case "$mode" in
pathspec) opt='.' ;;
branch) opt='-f HEAD' ;;
esac
test_expect_success PERL,TTY "delayed checkout shows progress by default on tty ($mode checkout)" '
test_delayed_checkout_progress test_terminal git checkout $opt
'
test_expect_success PERL "delayed checkout ommits progress on non-tty ($mode checkout)" '
test_delayed_checkout_progress ! git checkout $opt
'
test_expect_success PERL,TTY "delayed checkout ommits progress with --quiet ($mode checkout)" '
test_delayed_checkout_progress ! test_terminal git checkout --quiet $opt
'
test_expect_success PERL,TTY "delayed checkout honors --[no]-progress ($mode checkout)" '
test_delayed_checkout_progress ! test_terminal git checkout --no-progress $opt &&
test_delayed_checkout_progress test_terminal git checkout --quiet --progress $opt
'
done
test_expect_success 'delayed checkout correctly reports the number of updated entries' '
rm -rf repo &&
git init repo &&
(
cd repo &&
git config filter.delay.process "test-tool rot13-filter --log=delayed.log clean smudge delay" &&
git config filter.delay.required true &&
echo "*.a filter=delay" >.gitattributes &&
echo a >test-delay10.a &&
echo a >test-delay11.a &&
git add . &&
git commit -m files &&
rm *.a &&
git checkout . 2>err &&
grep "IN: smudge test-delay10.a .* \\[DELAYED\\]" delayed.log &&
grep "IN: smudge test-delay11.a .* \\[DELAYED\\]" delayed.log &&
grep "Updated 2 paths from the index" err
)
'
test_done