blob: 161f5604464d2f963e60af54eedea3f91be041fa [file] [log] [blame]
#!/bin/sh
test_description='blob conversion via gitattributes'
. ./test-lib.sh
TEST_ROOT="$PWD"
PATH=$TEST_ROOT:$PATH
write_script <<\EOF "$TEST_ROOT/rot13.sh"
tr \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \
'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
EOF
write_script rot13-filter.pl "$PERL_PATH" \
<"$TEST_DIRECTORY"/t0021/rot13-filter.pl
generate_random_characters () {
LEN=$1
NAME=$2
test-genrandom some-seed $LEN |
perl -pe "s/./chr((ord($&) % 26) + ord('a'))/sge" >"$TEST_ROOT/$NAME"
}
file_size () {
perl -e 'print -s $ARGV[0]' "$1"
}
filter_git () {
rm -f rot13-filter.log &&
git "$@"
}
# 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. http://public-inbox.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: /" >"$FILE.tmp" &&
mv "$FILE.tmp" "$FILE" || return
done &&
test_cmp "$expect" "$actual"
}
# Compare two files but exclude all `clean` invocations because Git can
# call `clean` zero or more times.
# c.f. http://public-inbox.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" >"$FILE.tmp" &&
mv "$FILE.tmp" "$FILE"
done &&
test_cmp "$expect" "$actual"
}
# 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$embedded" &&
git cat-file blob :test.t >test.r &&
./rot13.sh <test.o >test.t &&
test_cmp test.r test.t
'
# If an expanded ident ever gets into the repository, we want to make sure that
# it is collapsed before being expanded again on checkout
test_expect_success expanded_in_repo '
{
echo "File with expanded keywords"
echo "\$Id\$"
echo "\$Id:\$"
echo "\$Id: 0000000000000000000000000000000000000000 \$"
echo "\$Id: NoSpaceAtEnd\$"
echo "\$Id:NoSpaceAtFront \$"
echo "\$Id:NoSpaceAtEitherEnd\$"
echo "\$Id: NoTerminatingSymbol"
echo "\$Id: Foreign Commit With Spaces \$"
} >expanded-keywords.0 &&
{
cat expanded-keywords.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expanded-keywords &&
cat expanded-keywords >expanded-keywords-crlf &&
git add expanded-keywords expanded-keywords-crlf &&
git commit -m "File with keywords expanded" &&
id=$(git rev-parse --verify :expanded-keywords) &&
{
echo "File with expanded keywords"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: NoTerminatingSymbol"
echo "\$Id: Foreign Commit With Spaces \$"
} >expected-output.0 &&
{
cat expected-output.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expected-output &&
{
append_cr <expected-output.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expected-output-crlf &&
{
echo "expanded-keywords ident"
echo "expanded-keywords-crlf ident text eol=crlf"
} >>.gitattributes &&
rm -f expanded-keywords expanded-keywords-crlf &&
git checkout -- expanded-keywords &&
test_cmp expanded-keywords expected-output &&
git checkout -- expanded-keywords-crlf &&
test_cmp expanded-keywords-crlf expected-output-crlf
'
# The use of %f in a filter definition is expanded to the path to
# the filename being smudged or cleaned. It must be shell escaped.
# First, set up some interesting file names and pet them in
# .gitattributes.
test_expect_success 'filter shell-escaped filenames' '
cat >argc.sh <<-EOF &&
#!$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 '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; 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-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; 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 PERL 'required process filter should filter data' '
test_config_global filter.protocol.process "rot13-filter.pl 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=$(file_size test.r) &&
S2=$(file_size test2.r) &&
S3=$(file_size "testsubdir/test3 '\''sq'\'',\$x=.r") &&
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 rot13-filter.log &&
git commit -m "test commit 2" &&
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 $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log rot13-filter.log &&
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 rot13-filter.log &&
filter_git checkout --quiet --no-progress master &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge test.r $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
IN: smudge test4-empty.r 0 [OK] -- OUT: 0 [OK]
IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log rot13-filter.log &&
test_cmp_committed_rot13 "$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 PERL 'required process filter takes precedence' '
test_config_global filter.protocol.clean false &&
test_config_global filter.protocol.process "rot13-filter.pl clean" &&
test_config_global filter.protocol.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
S=$(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: $S . [OK]
STOP
EOF
test_cmp_count expected.log rot13-filter.log
)
'
test_expect_success PERL 'required process filter should be used only for "clean" operation only' '
test_config_global filter.protocol.process "rot13-filter.pl clean" &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
S=$(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 rot13-filter.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 rot13-filter.log
)
'
test_expect_success PERL 'required process filter should process multiple packets' '
test_config_global filter.protocol.process "rot13-filter.pl 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"
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 rot13-filter.log &&
rm -f *.file &&
filter_git checkout --quiet --no-progress -- *.file &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge 1pkt_1__.file $(($S )) [OK] -- OUT: $(($S )) . [OK]
IN: smudge 2pkt_1+1.file $(($S +1)) [OK] -- OUT: $(($S +1)) .. [OK]
IN: smudge 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
IN: smudge 2pkt_2__.file $(($S*2 )) [OK] -- OUT: $(($S*2 )) .. [OK]
IN: smudge 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
STOP
EOF
test_cmp_exclude_clean expected.log rot13-filter.log &&
for FILE in *.file
do
test_cmp_committed_rot13 "$TEST_ROOT/$FILE" $FILE
done
)
'
test_expect_success PERL 'required process filter with clean error should fail' '
test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
test_config_global filter.protocol.required true &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$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 PERL 'process filter should restart after unexpected write failure' '
test_config_global filter.protocol.process "rot13-filter.pl 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=$(file_size test.r) &&
S2=$(file_size test2.r) &&
SF=$(file_size smudge-write-fail.r) &&
git add . &&
rm -f *.r &&
rm -f rot13-filter.log &&
git checkout --quiet --no-progress . 2>git-stderr.log &&
grep "smudge write error at" git-stderr.log &&
grep "error: external filter" git-stderr.log &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge smudge-write-fail.r $SF [OK] -- OUT: $SF [WRITE FAIL]
START
init handshake complete
IN: smudge test.r $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log rot13-filter.log &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
# Smudge failed
! test_cmp smudge-write-fail.o smudge-write-fail.r &&
rot13.sh <smudge-write-fail.o >expected &&
git cat-file blob :smudge-write-fail.r >actual &&
test_cmp expected actual
)
'
test_expect_success PERL 'process filter should not be restarted if it signals an error' '
test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
cp "$TEST_ROOT/test2.o" test2.r &&
echo "this will cause an error" >error.o &&
cp error.o error.r &&
S=$(file_size test.r) &&
S2=$(file_size test2.r) &&
SE=$(file_size error.r) &&
git add . &&
rm -f *.r &&
filter_git checkout --quiet --no-progress . &&
cat >expected.log <<-EOF &&
START
init handshake complete
IN: smudge error.r $SE [OK] -- OUT: 0 [ERROR]
IN: smudge test.r $S [OK] -- OUT: $S . [OK]
IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
STOP
EOF
test_cmp_exclude_clean expected.log rot13-filter.log &&
test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
test_cmp error.o error.r
)
'
test_expect_success PERL 'process filter abort stops processing of all further files' '
test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
rm -rf repo &&
mkdir repo &&
(
cd repo &&
git init &&
echo "*.r filter=protocol" >.gitattributes &&
cp "$TEST_ROOT/test.o" test.r &&
cp "$TEST_ROOT/test2.o" test2.r &&
echo "error this blob and all future blobs" >abort.o &&
cp abort.o abort.r &&
SA=$(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 $SA [OK] -- OUT: 0 [ABORT]
STOP
EOF
test_cmp_exclude_clean expected.log rot13-filter.log &&
test_cmp "$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 "does not support filter protocol version" git-stderr.log
)
'
test_done