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-rwxr-xr-xt/t1006-cat-file.sh1449
1 files changed, 1449 insertions, 0 deletions
diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh
new file mode 100755
index 0000000000..1f61b666a7
--- /dev/null
+++ b/t/t1006-cat-file.sh
@@ -0,0 +1,1449 @@
+#!/bin/sh
+
+test_description='git cat-file'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-loose.sh"
+
+test_cmdmode_usage () {
+ test_expect_code 129 "$@" 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
+ object_name="$2"
+ mode=$3
+ size=$4
+ content=$5
+ pretty_content=$6
+ oid=${7:-"$object_name"}
+
+ batch_output="$oid $type $size
+$content"
+
+ test_expect_success "$type exists" '
+ git cat-file -e "$object_name"
+ '
+
+ test_expect_success "Type of $type is correct" '
+ echo $type >expect &&
+ git cat-file -t "$object_name" >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "Size of $type is correct" '
+ echo $size >expect &&
+ git cat-file -s "$object_name" >actual &&
+ test_cmp expect actual
+ '
+
+ test -z "$content" ||
+ test_expect_success "Content of $type is correct" '
+ echo_without_newline "$content" >expect &&
+ git cat-file $type "$object_name" >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "Pretty content of $type is correct" '
+ echo_without_newline "$pretty_content" >expect &&
+ git cat-file -p "$object_name" >actual &&
+ test_cmp expect actual
+ '
+
+ test -z "$content" ||
+ test_expect_success "--batch output of $type is correct" '
+ echo "$batch_output" >expect &&
+ echo "$object_name" | git cat-file --batch >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "--batch-check output of $type is correct" '
+ echo "$oid $type $size" >expect &&
+ echo_without_newline "$object_name" | 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 $object_name" | 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 $object_name" |
+ git cat-file --batch-command $opt >actual &&
+ test_cmp expect actual
+ '
+ done
+
+ test_expect_success "custom --batch-check format" '
+ echo "$type $oid" >expect &&
+ echo "$object_name" | 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 $object_name" | git cat-file --batch-command="%(objecttype) %(objectname)" >actual &&
+ test_cmp expect actual
+ '
+
+ # FIXME: %(rest) is incompatible with object names that include whitespace,
+ # e.g. HEAD:path/to/a/file with spaces. Use the resolved OID as input to
+ # test this instead of the raw object name.
+ if echo "$object_name" | grep -q " "; then
+ test_rest=test_expect_failure
+ else
+ test_rest=test_expect_success
+ fi
+
+ $test_rest '--batch-check with %(rest)' '
+ echo "$type this is some extra content" >expect &&
+ echo "$object_name this is some extra content" |
+ git cat-file --batch-check="%(objecttype) %(rest)" >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success '--batch-check with %(objectmode)' '
+ echo "$mode $oid" >expect &&
+ echo $object_name | git cat-file --batch-check="%(objectmode) %(objectname)" >actual &&
+ test_cmp expect actual
+ '
+
+ test -z "$content" ||
+ test_expect_success "--batch without type ($type)" '
+ {
+ echo "$size" &&
+ echo "$content"
+ } >expect &&
+ echo "$object_name" | 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 "$object_name" | git cat-file --batch="%(objecttype)" >actual &&
+ test_cmp expect actual
+ '
+}
+
+hello_content="Hello World"
+hello_size=$(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 &&
+ echo_without_newline "$hello_content" > "path with spaces" &&
+ git update-index --add --chmod=+x "path with spaces" &&
+ git commit -m "add hello file"
+'
+
+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 $tree_oid)
+tree_size=$((2 * $(test_oid rawsz) + 13 + 24))
+tree_compat_size=$((2 * $(test_oid --hash=compat rawsz) + 13 + 24))
+tree_pretty_content="100644 blob $hello_oid hello${LF}100755 blob $hello_oid path with spaces${LF}"
+tree_compat_pretty_content="100644 blob $hello_compat_oid hello${LF}100755 blob $hello_compat_oid path with spaces${LF}"
+
+run_tests 'tree' $tree_oid "" $tree_size "" "$tree_pretty_content"
+run_tests 'tree' $tree_compat_oid "" $tree_compat_size "" "$tree_compat_pretty_content"
+run_tests 'blob' "$tree_oid:hello" "100644" $hello_size "" "$hello_content" $hello_oid
+run_tests 'blob' "$tree_compat_oid:hello" "100644" $hello_size "" "$hello_content" $hello_compat_oid
+run_tests 'blob' "$tree_oid:path with spaces" "100755" $hello_size "" "$hello_content" $hello_oid
+run_tests 'blob' "$tree_compat_oid:path with spaces" "100755" $hello_size "" "$hello_content" $hello_compat_oid
+
+commit_message="Initial commit"
+commit_oid=$(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 with curly braches in input' '
+ git branch "foo{bar" HEAD &&
+ git branch "foo@" HEAD
+'
+
+test_expect_success 'object reference with curly brace' '
+ git cat-file -p "foo{bar:hello" >actual &&
+ git cat-file -p HEAD:hello >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'object reference with at-sign' '
+ git cat-file -p "foo@@{0}:hello" >actual &&
+ git cat-file -p HEAD:hello >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'setup with commit with colon' '
+ git commit-tree -m "testing: just a bunch of junk" HEAD^{tree} >out &&
+ git branch other $(cat out)
+'
+
+test_expect_success 'object reference via commit text search' '
+ git cat-file -p "other^{/testing:}:hello" >actual &&
+ git cat-file -p HEAD:hello >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" | loose_obj .git/objects $bogus_short_type) &&
+
+ bogus_long_type="abcdefghijklmnopqrstuvwxyz1234679" &&
+ bogus_long_content="bogus" &&
+ bogus_long_size=$(strlen "$bogus_long_content") &&
+ bogus_long_oid=$(echo_without_newline "$bogus_long_content" | loose_obj .git/objects $bogus_long_type)
+'
+
+for arg1 in -s -t -p
+do
+ test_expect_success "cat-file $arg1 error on bogus short OID" '
+ cat >expect <<-\EOF &&
+ fatal: invalid object type
+ EOF
+
+ test_must_fail git cat-file $arg1 $bogus_short_oid >out 2>actual &&
+ test_must_be_empty out &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "cat-file $arg1 error on bogus full OID" '
+ if test "$arg1" = "-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 &&
+
+ test_must_fail git cat-file $arg1 $bogus_long_oid >out 2>actual &&
+ test_must_be_empty out &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "cat-file $arg1 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 $(test_oid deadbeef_short) >out 2>err.actual &&
+ test_must_be_empty out &&
+ test_cmp expect.err err.actual
+ '
+
+ test_expect_success "cat-file $arg1 error on missing full OID" '
+ if test "$arg1" = "-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 $(test_oid deadbeef) >out 2>err.actual &&
+ test_must_be_empty out &&
+ test_cmp expect.err err.actual
+ '
+done
+
+test_expect_success '-e is OK with a broken object' '
+ git cat-file -e $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 $bogus_short_oid >bogus-oid &&
+
+ cat >err.expect <<-\EOF &&
+ fatal: invalid object type
+ EOF
+
+ test_must_fail git cat-file --batch <bogus-oid 2>err.actual &&
+ test_cmp err.expect err.actual &&
+
+ test_must_fail git cat-file --batch-check <bogus-oid 2>err.actual &&
+ test_cmp err.expect err.actual
+'
+
+test_expect_success 'clean up broken objects' '
+ rm .git/objects/$(test_oid_to_path $bogus_short_oid) &&
+ rm .git/objects/$(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
+ )
+'
+
+test_expect_success 'object reading handles zlib dictionary' - <<\EOT
+ echo 'content that will be recompressed' >file &&
+ blob=$(git hash-object -w file) &&
+ objpath=.git/objects/$(test_oid_to_path "$blob") &&
+
+ # Recompress a loose object using a precomputed zlib dictionary.
+ # This was originally done with:
+ #
+ # perl -MCompress::Raw::Zlib -e '
+ # binmode STDIN;
+ # binmode STDOUT;
+ # my $data = do { local $/; <STDIN> };
+ # my $in = new Compress::Raw::Zlib::Inflate;
+ # my $de = new Compress::Raw::Zlib::Deflate(
+ # -Dictionary => "anything"
+ # );
+ # $in->inflate($data, $raw);
+ # $de->deflate($raw, $out);
+ # print $out;
+ # ' <obj.bak >$objpath
+ #
+ # but we do not want to require the perl module for all test runs (nor
+ # carry a custom t/helper program that uses zlib features we don't
+ # otherwise care about).
+ mv "$objpath" obj.bak &&
+ test_when_finished 'mv obj.bak "$objpath"' &&
+ printf '\170\273\017\112\003\143' >$objpath &&
+
+ test_must_fail git cat-file blob $blob 2>err &&
+ test_grep ! 'too long' err &&
+ test_grep 'error: unable to unpack' err &&
+ test_grep 'error: inflate: needs dictionary' err
+EOT
+
+# Tests for git cat-file --follow-symlinks
+test_expect_success 'prep for symlink tests' '
+ echo_without_newline "$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
+'
+
+test_expect_success 'batch-check with a submodule' '
+ # FIXME: this call to mktree is incompatible with compatObjectFormat
+ # because the submodule OID cannot be mapped to the compat hash algo.
+ test_unconfig extensions.compatobjectformat &&
+ printf "160000 commit $(test_oid deadbeef)\tsub\n" >tree-with-sub &&
+ tree=$(git mktree <tree-with-sub) &&
+ test_config extensions.compatobjectformat $test_compat_hash_algo &&
+
+ git cat-file --batch-check >actual <<-EOF &&
+ $tree:sub
+ EOF
+ printf "$(test_oid deadbeef) submodule\n" >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'batch-check with a submodule, object exists' '
+ printf "160000 commit $commit_oid\tsub\n" >tree-with-sub &&
+ tree=$(git mktree <tree-with-sub) &&
+ git cat-file --batch-check >actual <<-EOF &&
+ $tree:sub
+ EOF
+ printf "$commit_oid commit $commit_size\n" >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 PERL_TEST_HELPERS '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 $orig_size" >expect &&
+ test_cmp expect actual
+'
+test_expect_success 'batch-command empty command' '
+ echo "" >cmd &&
+ test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
+ grep "^fatal:.*empty command in input.*" err
+'
+
+test_expect_success 'batch-command whitespace before command' '
+ echo " info deadbeef" >cmd &&
+ test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
+ grep "^fatal:.*whitespace before command.*" err
+'
+
+test_expect_success 'batch-command unknown command' '
+ echo unknown_command >cmd &&
+ test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
+ grep "^fatal:.*unknown command.*" err
+'
+
+test_expect_success 'batch-command missing arguments' '
+ echo "info" >cmd &&
+ test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
+ grep "^fatal:.*info requires arguments.*" err
+'
+
+test_expect_success 'batch-command flush with arguments' '
+ echo "flush arg" >cmd &&
+ test_expect_code 128 git cat-file --batch-command --buffer <cmd 2>err &&
+ grep "^fatal:.*flush takes no arguments.*" err
+'
+
+test_expect_success 'batch-command flush without --buffer' '
+ echo "flush" >cmd &&
+ test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
+ grep "^fatal:.*flush is only for --buffer mode.*" err
+'
+
+perl_script='
+use warnings;
+use strict;
+use IPC::Open2;
+my ($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 $hello_size"
+
+test_lazy_prereq PERL_IPC_OPEN2 '
+ perl -MIPC::Open2 -e "exit 0"
+'
+
+test_expect_success PERL_IPC_OPEN2 '--batch-check is unbuffered by default' '
+ perl -e "$perl_script" -- --batch-check $hello_oid "$expect"
+'
+
+test_expect_success PERL_IPC_OPEN2 '--batch-command info is unbuffered by default' '
+ perl -e "$perl_script" -- --batch-command $hello_oid "$expect" "info "
+'
+
+test_expect_success 'setup for objects filter' '
+ git init repo &&
+ (
+ # Seed the repository with four different sets of objects:
+ #
+ # - The first set is fully packed and has a bitmap.
+ # - The second set is packed, but has no bitmap.
+ # - The third set is loose.
+ # - The fourth set is loose and contains big objects.
+ #
+ # This ensures that we cover all these types as expected.
+ cd repo &&
+ test_commit first &&
+ git repack -Adb &&
+ test_commit second &&
+ git repack -d &&
+ test_commit third &&
+
+ for n in 1000 10000
+ do
+ printf "%"$n"s" X >large.$n || return 1
+ done &&
+ git add large.* &&
+ git commit -m fourth
+ )
+'
+
+test_expect_success 'objects filter with unknown option' '
+ cat >expect <<-EOF &&
+ fatal: invalid filter-spec ${SQ}unknown${SQ}
+ EOF
+ test_must_fail git -C repo cat-file --filter=unknown 2>err &&
+ test_cmp expect err
+'
+
+for option in sparse:oid=1234 tree:1 sparse:path=x
+do
+ test_expect_success "objects filter with unsupported option $option" '
+ case "$option" in
+ tree:1)
+ echo "usage: objects filter not supported: ${SQ}tree${SQ}" >expect
+ ;;
+ sparse:path=x)
+ echo "fatal: sparse:path filters support has been dropped" >expect
+ ;;
+ *)
+ option_name=$(echo "$option" | cut -d= -f1) &&
+ printf "usage: objects filter not supported: ${SQ}%s${SQ}\n" "$option_name" >expect
+ ;;
+ esac &&
+ test_must_fail git -C repo cat-file --filter=$option 2>err &&
+ test_cmp expect err
+ '
+done
+
+test_expect_success 'objects filter: disabled' '
+ git -C repo cat-file --batch-check="%(objectname)" --batch-all-objects --no-filter >actual &&
+ sort actual >actual.sorted &&
+ git -C repo rev-list --objects --no-object-names --all >expect &&
+ sort expect >expect.sorted &&
+ test_cmp expect.sorted actual.sorted
+'
+
+test_objects_filter () {
+ filter="$1"
+
+ test_expect_success "objects filter: $filter" '
+ git -C repo cat-file --batch-check="%(objectname)" --batch-all-objects --filter="$filter" >actual &&
+ sort actual >actual.sorted &&
+ git -C repo rev-list --objects --no-object-names --all --filter="$filter" --filter-provided-objects >expect &&
+ sort expect >expect.sorted &&
+ test_cmp expect.sorted actual.sorted
+ '
+
+ test_expect_success "objects filter prints excluded objects: $filter" '
+ # Find all objects that would be excluded by the current filter.
+ git -C repo rev-list --objects --no-object-names --all >all &&
+ git -C repo rev-list --objects --no-object-names --all --filter="$filter" --filter-provided-objects >filtered &&
+ sort all >all.sorted &&
+ sort filtered >filtered.sorted &&
+ comm -23 all.sorted filtered.sorted >expected.excluded &&
+ test_line_count -gt 0 expected.excluded &&
+
+ git -C repo cat-file --batch-check="%(objectname)" --filter="$filter" <expected.excluded >actual &&
+ awk "/excluded/{ print \$1 }" actual | sort >actual.excluded &&
+ test_cmp expected.excluded actual.excluded
+ '
+}
+
+test_objects_filter "blob:none"
+test_objects_filter "blob:limit=1"
+test_objects_filter "blob:limit=500"
+test_objects_filter "blob:limit=1000"
+test_objects_filter "blob:limit=1k"
+test_objects_filter "object:type=blob"
+test_objects_filter "object:type=commit"
+test_objects_filter "object:type=tag"
+test_objects_filter "object:type=tree"
+
+test_done