#!/bin/sh
test_description='git cat-file'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_cmdmode_usage () {
test_expect_code 129 "$@" 2>err &&
grep "^error: .* cannot be used together" err
}
for switches in \
'-e -p' \
'-p -t' \
'-t -s' \
'-s --textconv' \
'--textconv --filters' \
'--batch-all-objects -e'
do
test_expect_success "usage: cmdmode $switches" '
test_cmdmode_usage git cat-file $switches
'
done
test_incompatible_usage () {
test_expect_code 129 "$@" 2>err &&
grep -E "^(fatal|error):.*(requires|incompatible with|needs)" err
}
for opt in --batch --batch-check
do
test_expect_success "usage: incompatible options: --path with $opt" '
test_incompatible_usage git cat-file --path=foo $opt
'
done
test_missing_usage () {
test_expect_code 129 "$@" 2>err &&
grep -E "^fatal:.*required" err
}
short_modes="-e -p -t -s"
cw_modes="--textconv --filters"
for opt in $cw_modes
do
test_expect_success "usage: $opt requires another option" '
test_missing_usage git cat-file $opt
'
done
for opt in $short_modes
do
test_expect_success "usage: $opt requires another option" '
test_missing_usage git cat-file $opt
'
for opt2 in --batch \
--batch-check \
--follow-symlinks \
"--path=foo HEAD:some-path.txt"
do
test_expect_success "usage: incompatible options: $opt and $opt2" '
test_incompatible_usage git cat-file $opt $opt2
'
done
done
test_too_many_arguments () {
test_expect_code 129 "$@" 2>err &&
grep -E "^fatal: too many arguments$" err
}
for opt in $short_modes $cw_modes
do
args="one two three"
test_expect_success "usage: too many arguments: $opt $args" '
test_too_many_arguments git cat-file $opt $args
'
for opt2 in --buffer --follow-symlinks
do
test_expect_success "usage: incompatible arguments: $opt with batch option $opt2" '
test_incompatible_usage git cat-file $opt $opt2
'
done
done
for opt in --buffer \
--follow-symlinks \
--batch-all-objects \
-z \
-Z
do
test_expect_success "usage: bad option combination: $opt without batch mode" '
test_incompatible_usage git cat-file $opt &&
test_incompatible_usage git cat-file $opt commit HEAD
'
done
echo_without_newline () {
printf '%s' "$*"
}
echo_without_newline_nul () {
echo_without_newline "$@" | tr '\n' '\0'
}
strlen () {
echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
}
run_tests () {
type=$1
oid=$2
size=$3
content=$4
pretty_content=$5
batch_output="$oid $type $size
$content"
test_expect_success "$type exists" '
git cat-file -e $oid
'
test_expect_success "Type of $type is correct" '
echo $type >expect &&
git cat-file -t $oid >actual &&
test_cmp expect actual
'
test_expect_success "Size of $type is correct" '
echo $size >expect &&
git cat-file -s $oid >actual &&
test_cmp expect actual
'
test_expect_success "Type of $type is correct using --allow-unknown-type" '
echo $type >expect &&
git cat-file -t --allow-unknown-type $oid >actual &&
test_cmp expect actual
'
test_expect_success "Size of $type is correct using --allow-unknown-type" '
echo $size >expect &&
git cat-file -s --allow-unknown-type $oid >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "Content of $type is correct" '
echo_without_newline "$content" >expect &&
git cat-file $type $oid >actual &&
test_cmp expect actual
'
test_expect_success "Pretty content of $type is correct" '
echo_without_newline "$pretty_content" >expect &&
git cat-file -p $oid >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "--batch output of $type is correct" '
echo "$batch_output" >expect &&
echo $oid | git cat-file --batch >actual &&
test_cmp expect actual
'
test_expect_success "--batch-check output of $type is correct" '
echo "$oid $type $size" >expect &&
echo_without_newline $oid | git cat-file --batch-check >actual &&
test_cmp expect actual
'
for opt in --buffer --no-buffer
do
test -z "$content" ||
test_expect_success "--batch-command $opt output of $type content is correct" '
echo "$batch_output" >expect &&
test_write_lines "contents $oid" | git cat-file --batch-command $opt >actual &&
test_cmp expect actual
'
test_expect_success "--batch-command $opt output of $type info is correct" '
echo "$oid $type $size" >expect &&
test_write_lines "info $oid" |
git cat-file --batch-command $opt >actual &&
test_cmp expect actual
'
done
test_expect_success "custom --batch-check format" '
echo "$type $oid" >expect &&
echo $oid | git cat-file --batch-check="%(objecttype) %(objectname)" >actual &&
test_cmp expect actual
'
test_expect_success "custom --batch-command format" '
echo "$type $oid" >expect &&
echo "info $oid" | git cat-file --batch-command="%(objecttype) %(objectname)" >actual &&
test_cmp expect actual
'
test_expect_success '--batch-check with %(rest)' '
echo "$type this is some extra content" >expect &&
echo "$oid this is some extra content" |
git cat-file --batch-check="%(objecttype) %(rest)" >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "--batch without type ($type)" '
{
echo "$size" &&
echo "$content"
} >expect &&
echo $oid | git cat-file --batch="%(objectsize)" >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "--batch without size ($type)" '
{
echo "$type" &&
echo "$content"
} >expect &&
echo $oid | git cat-file --batch="%(objecttype)" >actual &&
test_cmp expect actual
'
}
hello_content="Hello World"
hello_size=$(strlen "$hello_content")
hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin)
test_expect_success "setup" '
git config core.repositoryformatversion 1 &&
git config extensions.objectformat $test_hash_algo &&
git config extensions.compatobjectformat $test_compat_hash_algo &&
echo_without_newline "$hello_content" > hello &&
git update-index --add hello
'
run_blob_tests () {
oid=$1
run_tests 'blob' $oid $hello_size "$hello_content" "$hello_content"
test_expect_success '--batch-command --buffer with flush for blob info' '
echo "$oid blob $hello_size" >expect &&
test_write_lines "info $oid" "flush" |
GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \
git cat-file --batch-command --buffer >actual &&
test_cmp expect actual
'
test_expect_success '--batch-command --buffer without flush for blob info' '
touch output &&
test_write_lines "info $oid" |
GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \
git cat-file --batch-command --buffer >>output &&
test_must_be_empty output
'
}
hello_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $hello_oid)
run_blob_tests $hello_oid
run_blob_tests $hello_compat_oid
test_expect_success '--batch-check without %(rest) considers whole line' '
echo "$hello_oid blob $hello_size" >expect &&
git update-index --add --cacheinfo 100644 $hello_oid "white space" &&
test_when_finished "git update-index --remove \"white space\"" &&
echo ":white space" | git cat-file --batch-check >actual &&
test_cmp expect actual
'
tree_oid=$(git write-tree)
tree_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tree_oid)
tree_size=$(($(test_oid rawsz) + 13))
tree_compat_size=$(($(test_oid --hash=compat rawsz) + 13))
tree_pretty_content="100644 blob $hello_oid hello${LF}"
tree_compat_pretty_content="100644 blob $hello_compat_oid hello${LF}"
run_tests 'tree' $tree_oid $tree_size "" "$tree_pretty_content"
run_tests 'tree' $tree_compat_oid $tree_compat_size "" "$tree_compat_pretty_content"
commit_message="Initial commit"
commit_oid=$(echo_without_newline "$commit_message" | git commit-tree $tree_oid)
commit_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $commit_oid)
commit_size=$(($(test_oid hexsz) + 137))
commit_compat_size=$(($(test_oid --hash=compat hexsz) + 137))
commit_content="tree $tree_oid
author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
$commit_message"
commit_compat_content="tree $tree_compat_oid
author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
$commit_message"
run_tests 'commit' $commit_oid $commit_size "$commit_content" "$commit_content"
run_tests 'commit' $commit_compat_oid $commit_compat_size "$commit_compat_content" "$commit_compat_content"
tag_header_without_oid="type blob
tag hellotag
tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
tag_header_without_timestamp="object $hello_oid
$tag_header_without_oid"
tag_compat_header_without_timestamp="object $hello_compat_oid
$tag_header_without_oid"
tag_description="This is a tag"
tag_content="$tag_header_without_timestamp 0 +0000
$tag_description"
tag_compat_content="$tag_compat_header_without_timestamp 0 +0000
$tag_description"
tag_oid=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w)
tag_size=$(strlen "$tag_content")
tag_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tag_oid)
tag_compat_size=$(strlen "$tag_compat_content")
run_tests 'tag' $tag_oid $tag_size "$tag_content" "$tag_content"
run_tests 'tag' $tag_compat_oid $tag_compat_size "$tag_compat_content" "$tag_compat_content"
test_expect_success "Reach a blob from a tag pointing to it" '
echo_without_newline "$hello_content" >expect &&
git cat-file blob $tag_oid >actual &&
test_cmp expect actual
'
for oid in $hello_oid $hello_compat_oid
do
for batch in batch batch-check batch-command
do
for opt in t s e p
do
test_expect_success "Passing -$opt with --$batch fails" '
test_must_fail git cat-file --$batch -$opt $oid
'
test_expect_success "Passing --$batch with -$opt fails" '
test_must_fail git cat-file -$opt --$batch $oid
'
done
test_expect_success "Passing <type> with --$batch fails" '
test_must_fail git cat-file --$batch blob $oid
'
test_expect_success "Passing --$batch with <type> fails" '
test_must_fail git cat-file blob --$batch $oid
'
test_expect_success "Passing oid with --$batch fails" '
test_must_fail git cat-file --$batch $oid
'
done
done
for oid in $hello_oid $hello_compat_oid
do
for opt in t s e p
do
test_expect_success "Passing -$opt with --follow-symlinks fails" '
test_must_fail git cat-file --follow-symlinks -$opt $oid
'
done
done
test_expect_success "--batch-check for a non-existent named object" '
cat >expect <<-EOF &&
foobar42 missing
foobar84 missing
EOF
printf "foobar42\nfoobar84" >in &&
git cat-file --batch-check <in >actual &&
test_cmp expect actual
'
test_expect_success "--batch-check for a non-existent hash" '
cat >expect <<-EOF &&
0000000000000000000000000000000000000042 missing
0000000000000000000000000000000000000084 missing
EOF
printf "0000000000000000000000000000000000000042\n0000000000000000000000000000000000000084" >in &&
git cat-file --batch-check <in >actual &&
test_cmp expect actual
'
test_expect_success "--batch for an existent and a non-existent hash" '
cat >expect <<-EOF &&
$tag_oid tag $tag_size
$tag_content
0000000000000000000000000000000000000000 missing
EOF
printf "$tag_oid\n0000000000000000000000000000000000000000" >in &&
git cat-file --batch <in >actual &&
test_cmp expect actual
'
test_expect_success "--batch-check for an empty line" '
cat >expect <<-EOF &&
missing
EOF
echo >in &&
git cat-file --batch-check <in >actual &&
test_cmp expect actual
'
test_expect_success 'empty --batch-check notices missing object' '
echo "$ZERO_OID missing" >expect &&
echo "$ZERO_OID" | git cat-file --batch-check="" >actual &&
test_cmp expect actual
'
batch_tests () {
boid=$1
loid=$2
lsize=$3
coid=$4
csize=$5
ccontent=$6
toid=$7
tsize=$8
tcontent=$9
batch_input="$boid
$coid
$toid
deadbeef
"
printf "%s\0" \
"$boid blob $hello_size" \
"$hello_content" \
"$coid commit $csize" \
"$ccontent" \
"$toid tag $tsize" \
"$tcontent" \
"deadbeef missing" \
" missing" >batch_output
test_expect_success '--batch with multiple oids gives correct format' '
tr "\0" "\n" <batch_output >expect &&
echo_without_newline "$batch_input" >in &&
git cat-file --batch <in >actual &&
test_cmp expect actual
'
test_expect_success '--batch, -z with multiple oids gives correct format' '
echo_without_newline_nul "$batch_input" >in &&
tr "\0" "\n" <batch_output >expect &&
git cat-file --batch -z <in >actual &&
test_cmp expect actual
'
test_expect_success '--batch, -Z with multiple oids gives correct format' '
echo_without_newline_nul "$batch_input" >in &&
git cat-file --batch -Z <in >actual &&
test_cmp batch_output actual
'
batch_check_input="$boid
$loid
$coid
$toid
deadbeef
"
printf "%s\0" \
"$boid blob $hello_size" \
"$loid tree $lsize" \
"$coid commit $csize" \
"$toid tag $tsize" \
"deadbeef missing" \
" missing" >batch_check_output
test_expect_success "--batch-check with multiple oids gives correct format" '
tr "\0" "\n" <batch_check_output >expect &&
echo_without_newline "$batch_check_input" >in &&
git cat-file --batch-check <in >actual &&
test_cmp expect actual
'
test_expect_success "--batch-check, -z with multiple oids gives correct format" '
tr "\0" "\n" <batch_check_output >expect &&
echo_without_newline_nul "$batch_check_input" >in &&
git cat-file --batch-check -z <in >actual &&
test_cmp expect actual
'
test_expect_success "--batch-check, -Z with multiple oids gives correct format" '
echo_without_newline_nul "$batch_check_input" >in &&
git cat-file --batch-check -Z <in >actual &&
test_cmp batch_check_output actual
'
batch_command_multiple_info="info $boid
info $loid
info $coid
info $toid
info deadbeef"
test_expect_success '--batch-command with multiple info calls gives correct format' '
cat >expect <<-EOF &&
$boid blob $hello_size
$loid tree $lsize
$coid commit $csize
$toid tag $tsize
deadbeef missing
EOF
echo "$batch_command_multiple_info" >in &&
git cat-file --batch-command --buffer <in >actual &&
test_cmp expect actual &&
echo "$batch_command_multiple_info" | tr "\n" "\0" >in &&
git cat-file --batch-command --buffer -z <in >actual &&
test_cmp expect actual &&
echo "$batch_command_multiple_info" | tr "\n" "\0" >in &&
tr "\n" "\0" <expect >expect_nul &&
git cat-file --batch-command --buffer -Z <in >actual &&
test_cmp expect_nul actual
'
batch_command_multiple_contents="contents $boid
contents $coid
contents $toid
contents deadbeef
flush"
test_expect_success '--batch-command with multiple command calls gives correct format' '
printf "%s\0" \
"$boid blob $hello_size" \
"$hello_content" \
"$coid commit $csize" \
"$ccontent" \
"$toid tag $tsize" \
"$tcontent" \
"deadbeef missing" >expect_nul &&
tr "\0" "\n" <expect_nul >expect &&
echo "$batch_command_multiple_contents" >in &&
git cat-file --batch-command --buffer <in >actual &&
test_cmp expect actual &&
echo "$batch_command_multiple_contents" | tr "\n" "\0" >in &&
git cat-file --batch-command --buffer -z <in >actual &&
test_cmp expect actual &&
echo "$batch_command_multiple_contents" | tr "\n" "\0" >in &&
git cat-file --batch-command --buffer -Z <in >actual &&
test_cmp expect_nul actual
'
}
batch_tests $hello_oid $tree_oid $tree_size $commit_oid $commit_size "$commit_content" $tag_oid $tag_size "$tag_content"
batch_tests $hello_compat_oid $tree_compat_oid $tree_compat_size $commit_compat_oid $commit_compat_size "$commit_compat_content" $tag_compat_oid $tag_compat_size "$tag_compat_content"
test_expect_success FUNNYNAMES 'setup with newline in input' '
touch -- "newline${LF}embedded" &&
git add -- "newline${LF}embedded" &&
git commit -m "file with newline embedded" &&
test_tick &&
printf "HEAD:newline${LF}embedded" >in
'
test_expect_success FUNNYNAMES '--batch-check, -z with newline in input' '
git cat-file --batch-check -z <in >actual &&
echo "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect &&
test_cmp expect actual
'
test_expect_success FUNNYNAMES '--batch-check, -Z with newline in input' '
git cat-file --batch-check -Z <in >actual &&
printf "%s\0" "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect &&
test_cmp expect actual
'
test_expect_success 'setup blobs which are likely to delta' '
test-tool genrandom foo 10240 >foo &&
{ cat foo && echo plus; } >foo-plus &&
git add foo foo-plus &&
git commit -m foo &&
cat >blobs <<-\EOF
HEAD:foo
HEAD:foo-plus
EOF
'
test_expect_success 'confirm that neither loose blob is a delta' '
cat >expect <<-EOF &&
$ZERO_OID
$ZERO_OID
EOF
git cat-file --batch-check="%(deltabase)" <blobs >actual &&
test_cmp expect actual
'
# To avoid relying too much on the current delta heuristics,
# we will check only that one of the two objects is a delta
# against the other, but not the order. We can do so by just
# asking for the base of both, and checking whether either
# oid appears in the output.
test_expect_success '%(deltabase) reports packed delta bases' '
git repack -ad &&
git cat-file --batch-check="%(deltabase)" <blobs >actual &&
{
grep "$(git rev-parse HEAD:foo)" actual ||
grep "$(git rev-parse HEAD:foo-plus)" actual
}
'
test_expect_success 'setup bogus data' '
bogus_short_type="bogus" &&
bogus_short_content="bogus" &&
bogus_short_size=$(strlen "$bogus_short_content") &&
bogus_short_oid=$(echo_without_newline "$bogus_short_content" | git hash-object -t $bogus_short_type --literally -w --stdin) &&
bogus_long_type="abcdefghijklmnopqrstuvwxyz1234679" &&
bogus_long_content="bogus" &&
bogus_long_size=$(strlen "$bogus_long_content") &&
bogus_long_oid=$(echo_without_newline "$bogus_long_content" | git hash-object -t $bogus_long_type --literally -w --stdin)
'
for arg1 in '' --allow-unknown-type
do
for arg2 in -s -t -p
do
if test "$arg1" = "--allow-unknown-type" && test "$arg2" = "-p"
then
continue
fi
test_expect_success "cat-file $arg1 $arg2 error on bogus short OID" '
cat >expect <<-\EOF &&
fatal: invalid object type
EOF
if test "$arg1" = "--allow-unknown-type"
then
git cat-file $arg1 $arg2 $bogus_short_oid
else
test_must_fail git cat-file $arg1 $arg2 $bogus_short_oid >out 2>actual &&
test_must_be_empty out &&
test_cmp expect actual
fi
'
test_expect_success "cat-file $arg1 $arg2 error on bogus full OID" '
if test "$arg2" = "-p"
then
cat >expect <<-EOF
error: header for $bogus_long_oid too long, exceeds 32 bytes
fatal: Not a valid object name $bogus_long_oid
EOF
else
cat >expect <<-EOF
error: header for $bogus_long_oid too long, exceeds 32 bytes
fatal: git cat-file: could not get object info
EOF
fi &&
if test "$arg1" = "--allow-unknown-type"
then
git cat-file $arg1 $arg2 $bogus_short_oid
else
test_must_fail git cat-file $arg1 $arg2 $bogus_long_oid >out 2>actual &&
test_must_be_empty out &&
test_cmp expect actual
fi
'
test_expect_success "cat-file $arg1 $arg2 error on missing short OID" '
cat >expect.err <<-EOF &&
fatal: Not a valid object name $(test_oid deadbeef_short)
EOF
test_must_fail git cat-file $arg1 $arg2 $(test_oid deadbeef_short) >out 2>err.actual &&
test_must_be_empty out &&
test_cmp expect.err err.actual
'
test_expect_success "cat-file $arg1 $arg2 error on missing full OID" '
if test "$arg2" = "-p"
then
cat >expect.err <<-EOF
fatal: Not a valid object name $(test_oid deadbeef)
EOF
else
cat >expect.err <<-\EOF
fatal: git cat-file: could not get object info
EOF
fi &&
test_must_fail git cat-file $arg1 $arg2 $(test_oid deadbeef) >out 2>err.actual &&
test_must_be_empty out &&
test_cmp expect.err err.actual
'
done
done
test_expect_success '-e is OK with a broken object without --allow-unknown-type' '
git cat-file -e $bogus_short_oid
'
test_expect_success '-e can not be combined with --allow-unknown-type' '
test_expect_code 128 git cat-file -e --allow-unknown-type $bogus_short_oid
'
test_expect_success '-p cannot print a broken object even with --allow-unknown-type' '
test_must_fail git cat-file -p $bogus_short_oid &&
test_expect_code 128 git cat-file -p --allow-unknown-type $bogus_short_oid
'
test_expect_success '<type> <hash> does not work with objects of broken types' '
cat >err.expect <<-\EOF &&
fatal: invalid object type "bogus"
EOF
test_must_fail git cat-file $bogus_short_type $bogus_short_oid 2>err.actual &&
test_cmp err.expect err.actual
'
test_expect_success 'broken types combined with --batch and --batch-check' '
echo $bogus_short_oid >bogus-oid &&
cat >err.expect <<-\EOF &&
fatal: invalid object type
EOF
test_must_fail git cat-file --batch <bogus-oid 2>err.actual &&
test_cmp err.expect err.actual &&
test_must_fail git cat-file --batch-check <bogus-oid 2>err.actual &&
test_cmp err.expect err.actual
'
test_expect_success 'the --batch and --batch-check options do not combine with --allow-unknown-type' '
test_expect_code 128 git cat-file --batch --allow-unknown-type <bogus-oid &&
test_expect_code 128 git cat-file --batch-check --allow-unknown-type <bogus-oid
'
test_expect_success 'the --allow-unknown-type option does not consider replacement refs' '
cat >expect <<-EOF &&
$bogus_short_type
EOF
git cat-file -t --allow-unknown-type $bogus_short_oid >actual &&
test_cmp expect actual &&
# Create it manually, as "git replace" will die on bogus
# types.
head=$(git rev-parse --verify HEAD) &&
test_when_finished "test-tool ref-store main delete-refs 0 msg refs/replace/$bogus_short_oid" &&
test-tool ref-store main update-ref msg "refs/replace/$bogus_short_oid" $head $ZERO_OID REF_SKIP_OID_VERIFICATION &&
cat >expect <<-EOF &&
commit
EOF
git cat-file -t --allow-unknown-type $bogus_short_oid >actual &&
test_cmp expect actual
'
test_expect_success "Type of broken object is correct" '
echo $bogus_short_type >expect &&
git cat-file -t --allow-unknown-type $bogus_short_oid >actual &&
test_cmp expect actual
'
test_expect_success "Size of broken object is correct" '
echo $bogus_short_size >expect &&
git cat-file -s --allow-unknown-type $bogus_short_oid >actual &&
test_cmp expect actual
'
test_expect_success 'clean up broken object' '
rm .git/objects/$(test_oid_to_path $bogus_short_oid)
'
test_expect_success "Type of broken object is correct when type is large" '
echo $bogus_long_type >expect &&
git cat-file -t --allow-unknown-type $bogus_long_oid >actual &&
test_cmp expect actual
'
test_expect_success "Size of large broken object is correct when type is large" '
echo $bogus_long_size >expect &&
git cat-file -s --allow-unknown-type $bogus_long_oid >actual &&
test_cmp expect actual
'
test_expect_success 'clean up broken object' '
rm .git/objects/$(test_oid_to_path $bogus_long_oid)
'
test_expect_success 'cat-file -t and -s on corrupt loose object' '
git init --bare corrupt-loose.git &&
(
cd corrupt-loose.git &&
# Setup and create the empty blob and its path
empty_path=$(git rev-parse --git-path objects/$(test_oid_to_path "$EMPTY_BLOB")) &&
empty_blob=$(git hash-object -w --stdin </dev/null) &&
# Create another blob and its path
echo other >other.blob &&
other_blob=$(git hash-object -w --stdin <other.blob) &&
other_path=$(git rev-parse --git-path objects/$(test_oid_to_path "$other_blob")) &&
# Before the swap the size is 0
cat >out.expect <<-EOF &&
0
EOF
git cat-file -s "$EMPTY_BLOB" >out.actual 2>err.actual &&
test_must_be_empty err.actual &&
test_cmp out.expect out.actual &&
# Swap the two to corrupt the repository
mv -f "$other_path" "$empty_path" &&
test_must_fail git fsck 2>err.fsck &&
grep "hash-path mismatch" err.fsck &&
# confirm that cat-file is reading the new swapped-in
# blob...
cat >out.expect <<-EOF &&
blob
EOF
git cat-file -t "$EMPTY_BLOB" >out.actual 2>err.actual &&
test_must_be_empty err.actual &&
test_cmp out.expect out.actual &&
# ... since it has a different size now.
cat >out.expect <<-EOF &&
6
EOF
git cat-file -s "$EMPTY_BLOB" >out.actual 2>err.actual &&
test_must_be_empty err.actual &&
test_cmp out.expect out.actual &&
# So far "cat-file" has been happy to spew the found
# content out as-is. Try to make it zlib-invalid.
mv -f other.blob "$empty_path" &&
test_must_fail git fsck 2>err.fsck &&
cat >expect <<-EOF &&
error: inflate: data stream error (incorrect header check)
error: unable to unpack header of ./$empty_path
error: $empty_blob: object corrupt or missing: ./$empty_path
EOF
grep "^error: " err.fsck >actual &&
test_cmp expect actual
)
'
# Tests for git cat-file --follow-symlinks
test_expect_success 'prep for symlink tests' '
echo_without_newline "$hello_content" >morx &&
test_ln_s_add morx same-dir-link &&
test_ln_s_add dir link-to-dir &&
test_ln_s_add ../fleem out-of-repo-link &&
test_ln_s_add .. out-of-repo-link-dir &&
test_ln_s_add same-dir-link link-to-link &&
test_ln_s_add nope broken-same-dir-link &&
mkdir dir &&
test_ln_s_add ../morx dir/parent-dir-link &&
test_ln_s_add .. dir/link-dir &&
test_ln_s_add ../../escape dir/out-of-repo-link &&
test_ln_s_add ../.. dir/out-of-repo-link-dir &&
test_ln_s_add nope dir/broken-link-in-dir &&
mkdir dir/subdir &&
test_ln_s_add ../../morx dir/subdir/grandparent-dir-link &&
test_ln_s_add ../../../great-escape dir/subdir/out-of-repo-link &&
test_ln_s_add ../../.. dir/subdir/out-of-repo-link-dir &&
test_ln_s_add ../../../ dir/subdir/out-of-repo-link-dir-trailing &&
test_ln_s_add ../parent-dir-link dir/subdir/parent-dir-link-to-link &&
echo_without_newline "$hello_content" >dir/subdir/ind2 &&
echo_without_newline "$hello_content" >dir/ind1 &&
test_ln_s_add dir dirlink &&
test_ln_s_add dir/subdir subdirlink &&
test_ln_s_add subdir/ind2 dir/link-to-child &&
test_ln_s_add dir/link-to-child link-to-down-link &&
test_ln_s_add dir/.. up-down &&
test_ln_s_add dir/../ up-down-trailing &&
test_ln_s_add dir/../morx up-down-file &&
test_ln_s_add dir/../../morx up-up-down-file &&
test_ln_s_add subdirlink/../../morx up-two-down-file &&
test_ln_s_add loop1 loop2 &&
test_ln_s_add loop2 loop1 &&
git add morx dir/subdir/ind2 dir/ind1 &&
git commit -am "test" &&
echo $hello_oid blob $hello_size >found
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for non-links' '
echo HEAD:morx | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual &&
echo HEAD:nope missing >expect &&
echo HEAD:nope | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for in-repo, same-dir links' '
echo HEAD:same-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for in-repo, links to dirs' '
echo HEAD:link-to-dir/ind1 | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for broken in-repo, same-dir links' '
echo dangling 25 >expect &&
echo HEAD:broken-same-dir-link >>expect &&
echo HEAD:broken-same-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks -Z works for broken in-repo, same-dir links' '
printf "HEAD:broken-same-dir-link\0" >in &&
printf "dangling 25\0HEAD:broken-same-dir-link\0" >expect &&
git cat-file --batch-check --follow-symlinks -Z <in >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for same-dir links-to-links' '
echo HEAD:link-to-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for parent-dir links' '
echo HEAD:dir/parent-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual &&
echo notdir 29 >expect &&
echo HEAD:dir/parent-dir-link/nope >>expect &&
echo HEAD:dir/parent-dir-link/nope | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks -Z works for parent-dir links' '
echo HEAD:dir/parent-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual &&
printf "notdir 29\0HEAD:dir/parent-dir-link/nope\0" >expect &&
printf "HEAD:dir/parent-dir-link/nope\0" >in &&
git cat-file --batch-check --follow-symlinks -Z <in >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for .. links' '
echo dangling 22 >expect &&
echo HEAD:dir/link-dir/nope >>expect &&
echo HEAD:dir/link-dir/nope | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo HEAD:dir/link-dir/morx | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual &&
echo dangling 27 >expect &&
echo HEAD:dir/broken-link-in-dir >>expect &&
echo HEAD:dir/broken-link-in-dir | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for ../.. links' '
echo notdir 41 >expect &&
echo HEAD:dir/subdir/grandparent-dir-link/nope >>expect &&
echo HEAD:dir/subdir/grandparent-dir-link/nope | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo HEAD:dir/subdir/grandparent-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual &&
echo HEAD:dir/subdir/parent-dir-link-to-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir/ links' '
echo dangling 17 >expect &&
echo HEAD:dirlink/morx >>expect &&
echo HEAD:dirlink/morx | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo $hello_oid blob $hello_size >expect &&
echo HEAD:dirlink/ind1 | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir/subdir links' '
echo dangling 20 >expect &&
echo HEAD:subdirlink/morx >>expect &&
echo HEAD:subdirlink/morx | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo HEAD:subdirlink/ind2 | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir ->subdir links' '
echo notdir 27 >expect &&
echo HEAD:dir/link-to-child/morx >>expect &&
echo HEAD:dir/link-to-child/morx | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo HEAD:dir/link-to-child | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual &&
echo HEAD:link-to-down-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for out-of-repo symlinks' '
echo symlink 8 >expect &&
echo ../fleem >>expect &&
echo HEAD:out-of-repo-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo symlink 2 >expect &&
echo .. >>expect &&
echo HEAD:out-of-repo-link-dir | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for out-of-repo symlinks in dirs' '
echo symlink 9 >expect &&
echo ../escape >>expect &&
echo HEAD:dir/out-of-repo-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo symlink 2 >expect &&
echo .. >>expect &&
echo HEAD:dir/out-of-repo-link-dir | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for out-of-repo symlinks in subdirs' '
echo symlink 15 >expect &&
echo ../great-escape >>expect &&
echo HEAD:dir/subdir/out-of-repo-link | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo symlink 2 >expect &&
echo .. >>expect &&
echo HEAD:dir/subdir/out-of-repo-link-dir | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo symlink 3 >expect &&
echo ../ >>expect &&
echo HEAD:dir/subdir/out-of-repo-link-dir-trailing | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlinks works for symlinks with internal ..' '
echo HEAD: | git cat-file --batch-check >expect &&
echo HEAD:up-down | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo HEAD:up-down-trailing | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo HEAD:up-down-file | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual &&
echo symlink 7 >expect &&
echo ../morx >>expect &&
echo HEAD:up-up-down-file | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual &&
echo HEAD:up-two-down-file | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp found actual
'
test_expect_success 'git cat-file --batch-check --follow-symlink breaks loops' '
echo loop 10 >expect &&
echo HEAD:loop1 >>expect &&
echo HEAD:loop1 | git cat-file --batch-check --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check --follow-symlink -Z breaks loops' '
printf "loop 10\0HEAD:loop1\0" >expect &&
printf "HEAD:loop1\0" >in &&
git cat-file --batch-check --follow-symlinks -Z <in >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch --follow-symlink returns correct sha and mode' '
echo HEAD:morx | git cat-file --batch >expect &&
echo HEAD:morx | git cat-file --batch --follow-symlinks >actual &&
test_cmp expect actual
'
test_expect_success 'cat-file --batch-all-objects shows all objects' '
# make new repos so we know the full set of objects; we will
# also make sure that there are some packed and some loose
# objects, some referenced and some not, some duplicates, and that
# there are some available only via alternates.
git init all-one &&
(
cd all-one &&
echo content >file &&
git add file &&
git commit -qm base &&
git rev-parse HEAD HEAD^{tree} HEAD:file &&
git repack -ad &&
echo not-cloned | git hash-object -w --stdin
) >expect.unsorted &&
git clone -s all-one all-two &&
(
cd all-two &&
echo local-unref | git hash-object -w --stdin
) >>expect.unsorted &&
git -C all-two rev-parse HEAD:file |
git -C all-two pack-objects .git/objects/pack/pack &&
sort <expect.unsorted >expect &&
git -C all-two cat-file --batch-all-objects \
--batch-check="%(objectname)" >actual &&
test_cmp expect actual
'
# The only user-visible difference is that the objects are no longer sorted,
# and the resulting sort order is undefined. So we can only check that it
# produces the same objects as the ordered case, but that at least exercises
# the code.
test_expect_success 'cat-file --unordered works' '
git -C all-two cat-file --batch-all-objects --unordered \
--batch-check="%(objectname)" >actual.unsorted &&
sort <actual.unsorted >actual &&
test_cmp expect actual
'
test_expect_success 'set up object list for --batch-all-objects tests' '
git -C all-two cat-file --batch-all-objects --batch-check="%(objectname)" >objects
'
test_expect_success 'cat-file --batch="%(objectname)" with --batch-all-objects will work' '
git -C all-two cat-file --batch="%(objectname)" <objects >expect &&
git -C all-two cat-file --batch-all-objects --batch="%(objectname)" >actual &&
cmp expect actual
'
test_expect_success 'cat-file --batch="%(rest)" with --batch-all-objects will work' '
git -C all-two cat-file --batch="%(rest)" <objects >expect &&
git -C all-two cat-file --batch-all-objects --batch="%(rest)" >actual &&
cmp expect actual
'
test_expect_success 'cat-file --batch="batman" with --batch-all-objects will work' '
git -C all-two cat-file --batch="batman" <objects >expect &&
git -C all-two cat-file --batch-all-objects --batch="batman" >actual &&
cmp expect actual
'
test_expect_success 'cat-file %(objectsize:disk) with --batch-all-objects' '
# our state has both loose and packed objects,
# so find both for our expected output
{
find .git/objects/?? -type f |
awk -F/ "{ print \$0, \$3\$4 }" |
while read path oid
do
size=$(test_file_size "$path") &&
echo "$oid $size" ||
return 1
done &&
rawsz=$(test_oid rawsz) &&
find .git/objects/pack -name "*.idx" |
while read idx
do
git show-index <"$idx" >idx.raw &&
sort -nr <idx.raw >idx.sorted &&
packsz=$(test_file_size "${idx%.idx}.pack") &&
end=$((packsz - rawsz)) &&
while read start oid rest
do
size=$((end - start)) &&
end=$start &&
echo "$oid $size" ||
return 1
done <idx.sorted ||
return 1
done
} >expect.raw &&
sort <expect.raw >expect &&
git cat-file --batch-all-objects \
--batch-check="%(objectname) %(objectsize:disk)" >actual &&
test_cmp expect actual
'
test_expect_success 'set up replacement object' '
orig=$(git rev-parse HEAD) &&
git cat-file commit $orig >orig &&
{
cat orig &&
echo extra
} >fake &&
fake=$(git hash-object -t commit -w fake) &&
orig_size=$(git cat-file -s $orig) &&
fake_size=$(git cat-file -s $fake) &&
git replace $orig $fake
'
test_expect_success 'cat-file --batch respects replace objects' '
git cat-file --batch >actual <<-EOF &&
$orig
EOF
{
echo "$orig commit $fake_size" &&
cat fake &&
echo
} >expect &&
test_cmp expect actual
'
test_expect_success 'cat-file --batch-check respects replace objects' '
git cat-file --batch-check >actual <<-EOF &&
$orig
EOF
echo "$orig commit $fake_size" >expect &&
test_cmp expect actual
'
# Pull the entry for object with oid "$1" out of the output of
# "cat-file --batch", including its object content (which requires
# parsing and reading a set amount of bytes, hence perl).
extract_batch_output () {
perl -ne '
BEGIN { $oid = shift }
if (/^$oid \S+ (\d+)$/) {
print;
read STDIN, my $buf, $1;
print $buf;
print "\n";
}
' "$@"
}
test_expect_success 'cat-file --batch-all-objects --batch ignores replace' '
git cat-file --batch-all-objects --batch >actual.raw &&
extract_batch_output $orig <actual.raw >actual &&
{
echo "$orig commit $orig_size" &&
cat orig &&
echo
} >expect &&
test_cmp expect actual
'
test_expect_success 'cat-file --batch-all-objects --batch-check ignores replace' '
git cat-file --batch-all-objects --batch-check >actual.raw &&
grep ^$orig actual.raw >actual &&
echo "$orig commit $orig_size" >expect &&
test_cmp expect actual
'
test_expect_success 'batch-command empty command' '
echo "" >cmd &&
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
grep "^fatal:.*empty command in input.*" err
'
test_expect_success 'batch-command whitespace before command' '
echo " info deadbeef" >cmd &&
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
grep "^fatal:.*whitespace before command.*" err
'
test_expect_success 'batch-command unknown command' '
echo unknown_command >cmd &&
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
grep "^fatal:.*unknown command.*" err
'
test_expect_success 'batch-command missing arguments' '
echo "info" >cmd &&
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
grep "^fatal:.*info requires arguments.*" err
'
test_expect_success 'batch-command flush with arguments' '
echo "flush arg" >cmd &&
test_expect_code 128 git cat-file --batch-command --buffer <cmd 2>err &&
grep "^fatal:.*flush takes no arguments.*" err
'
test_expect_success 'batch-command flush without --buffer' '
echo "flush" >cmd &&
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
grep "^fatal:.*flush is only for --buffer mode.*" err
'
script='
use warnings;
use strict;
use IPC::Open2;
my ($opt, $oid, $expect, @pfx) = @ARGV;
my @cmd = (qw(git cat-file), $opt);
my $pid = open2(my $out, my $in, @cmd) or die "open2: @cmd";
print $in @pfx, $oid, "\n" or die "print $!";
my $rvec = "";
vec($rvec, fileno($out), 1) = 1;
select($rvec, undef, undef, 30) or die "no response to `@pfx $oid` from @cmd";
my $info = <$out>;
chop($info) eq "\n" or die "no LF";
$info eq $expect or die "`$info` != `$expect`";
close $in or die "close in $!";
close $out or die "close out $!";
waitpid $pid, 0;
$? == 0 or die "\$?=$?";
'
expect="$hello_oid blob $hello_size"
test_expect_success PERL '--batch-check is unbuffered by default' '
perl -e "$script" -- --batch-check $hello_oid "$expect"
'
test_expect_success PERL '--batch-command info is unbuffered by default' '
perl -e "$script" -- --batch-command $hello_oid "$expect" "info "
'
test_done
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