git/t/t1006-cat-file.sh
Ævar Arnfjörð Bjarmason 5848fb11ac object-file.c: return ULHR_TOO_LONG on "header too long"
Split up the return code for "header too long" from the generic
negative return value unpack_loose_header() returns, and report via
error() if we exceed MAX_HEADER_LEN.

As a test added earlier in this series in t1006-cat-file.sh shows
we'll correctly emit zlib errors from zlib.c already in this case, so
we have no need to carry those return codes further down the
stack. Let's instead just return ULHR_TOO_LONG saying we ran into the
MAX_HEADER_LEN limit, or other negative values for "unable to unpack
<OID> header".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-10-01 15:06:00 -07:00

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#!/bin/sh
test_description='git cat-file'
. ./test-lib.sh
echo_without_newline () {
printf '%s' "$*"
}
strlen () {
echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
}
maybe_remove_timestamp () {
if test -z "$2"; then
echo_without_newline "$1"
else
echo_without_newline "$(printf '%s\n' "$1" | sed -e 's/ [0-9][0-9]* [-+][0-9][0-9][0-9][0-9]$//')"
fi
}
run_tests () {
type=$1
sha1=$2
size=$3
content=$4
pretty_content=$5
no_ts=$6
batch_output="$sha1 $type $size
$content"
test_expect_success "$type exists" '
git cat-file -e $sha1
'
test_expect_success "Type of $type is correct" '
echo $type >expect &&
git cat-file -t $sha1 >actual &&
test_cmp expect actual
'
test_expect_success "Size of $type is correct" '
echo $size >expect &&
git cat-file -s $sha1 >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 $sha1 >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 $sha1 >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "Content of $type is correct" '
maybe_remove_timestamp "$content" $no_ts >expect &&
maybe_remove_timestamp "$(git cat-file $type $sha1)" $no_ts >actual &&
test_cmp expect actual
'
test_expect_success "Pretty content of $type is correct" '
maybe_remove_timestamp "$pretty_content" $no_ts >expect &&
maybe_remove_timestamp "$(git cat-file -p $sha1)" $no_ts >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "--batch output of $type is correct" '
maybe_remove_timestamp "$batch_output" $no_ts >expect &&
maybe_remove_timestamp "$(echo $sha1 | git cat-file --batch)" $no_ts >actual &&
test_cmp expect actual
'
test_expect_success "--batch-check output of $type is correct" '
echo "$sha1 $type $size" >expect &&
echo_without_newline $sha1 | git cat-file --batch-check >actual &&
test_cmp expect actual
'
test_expect_success "custom --batch-check format" '
echo "$type $sha1" >expect &&
echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual &&
test_cmp expect actual
'
test_expect_success '--batch-check with %(rest)' '
echo "$type this is some extra content" >expect &&
echo "$sha1 this is some extra content" |
git cat-file --batch-check="%(objecttype) %(rest)" >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "--batch without type ($type)" '
{
echo "$size" &&
maybe_remove_timestamp "$content" $no_ts
} >expect &&
echo $sha1 | git cat-file --batch="%(objectsize)" >actual.full &&
maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
test_cmp expect actual
'
test -z "$content" ||
test_expect_success "--batch without size ($type)" '
{
echo "$type" &&
maybe_remove_timestamp "$content" $no_ts
} >expect &&
echo $sha1 | git cat-file --batch="%(objecttype)" >actual.full &&
maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
test_cmp expect actual
'
}
hello_content="Hello World"
hello_size=$(strlen "$hello_content")
hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin)
test_expect_success "setup" '
echo_without_newline "$hello_content" > hello &&
git update-index --add hello
'
run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content"
test_expect_success '--batch-check without %(rest) considers whole line' '
echo "$hello_sha1 blob $hello_size" >expect &&
git update-index --add --cacheinfo 100644 $hello_sha1 "white space" &&
test_when_finished "git update-index --remove \"white space\"" &&
echo ":white space" | git cat-file --batch-check >actual &&
test_cmp expect actual
'
tree_sha1=$(git write-tree)
tree_size=$(($(test_oid rawsz) + 13))
tree_pretty_content="100644 blob $hello_sha1 hello"
run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content"
commit_message="Initial commit"
commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1)
commit_size=$(($(test_oid hexsz) + 137))
commit_content="tree $tree_sha1
author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000
$commit_message"
run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" 1
tag_header_without_timestamp="object $hello_sha1
type blob
tag hellotag
tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
tag_description="This is a tag"
tag_content="$tag_header_without_timestamp 0000000000 +0000
$tag_description"
tag_sha1=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w)
tag_size=$(strlen "$tag_content")
run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" 1
test_expect_success \
"Reach a blob from a tag pointing to it" \
"test '$hello_content' = \"\$(git cat-file blob $tag_sha1)\""
for batch in batch batch-check
do
for opt in t s e p
do
test_expect_success "Passing -$opt with --$batch fails" '
test_must_fail git cat-file --$batch -$opt $hello_sha1
'
test_expect_success "Passing --$batch with -$opt fails" '
test_must_fail git cat-file -$opt --$batch $hello_sha1
'
done
test_expect_success "Passing <type> with --$batch fails" '
test_must_fail git cat-file --$batch blob $hello_sha1
'
test_expect_success "Passing --$batch with <type> fails" '
test_must_fail git cat-file blob --$batch $hello_sha1
'
test_expect_success "Passing sha1 with --$batch fails" '
test_must_fail git cat-file --$batch $hello_sha1
'
done
for opt in t s e p
do
test_expect_success "Passing -$opt with --follow-symlinks fails" '
test_must_fail git cat-file --follow-symlinks -$opt $hello_sha1
'
done
test_expect_success "--batch-check for a non-existent named object" '
test "foobar42 missing
foobar84 missing" = \
"$( ( echo foobar42; echo_without_newline foobar84; ) | git cat-file --batch-check)"
'
test_expect_success "--batch-check for a non-existent hash" '
test "0000000000000000000000000000000000000042 missing
0000000000000000000000000000000000000084 missing" = \
"$( ( echo 0000000000000000000000000000000000000042;
echo_without_newline 0000000000000000000000000000000000000084; ) |
git cat-file --batch-check)"
'
test_expect_success "--batch for an existent and a non-existent hash" '
test "$tag_sha1 tag $tag_size
$tag_content
0000000000000000000000000000000000000000 missing" = \
"$( ( echo $tag_sha1;
echo_without_newline 0000000000000000000000000000000000000000; ) |
git cat-file --batch)"
'
test_expect_success "--batch-check for an empty line" '
test " missing" = "$(echo | git cat-file --batch-check)"
'
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_input="$hello_sha1
$commit_sha1
$tag_sha1
deadbeef
"
batch_output="$hello_sha1 blob $hello_size
$hello_content
$commit_sha1 commit $commit_size
$commit_content
$tag_sha1 tag $tag_size
$tag_content
deadbeef missing
missing"
test_expect_success '--batch with multiple sha1s gives correct format' '
test "$(maybe_remove_timestamp "$batch_output" 1)" = "$(maybe_remove_timestamp "$(echo_without_newline "$batch_input" | git cat-file --batch)" 1)"
'
batch_check_input="$hello_sha1
$tree_sha1
$commit_sha1
$tag_sha1
deadbeef
"
batch_check_output="$hello_sha1 blob $hello_size
$tree_sha1 tree $tree_size
$commit_sha1 commit $commit_size
$tag_sha1 tag $tag_size
deadbeef missing
missing"
test_expect_success "--batch-check with multiple sha1s gives correct format" '
test "$batch_check_output" = \
"$(echo_without_newline "$batch_check_input" | git cat-file --batch-check)"
'
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
$ZERO_OID
EOF
git cat-file --batch-check="%(deltabase)" <blobs >actual &&
test_cmp expect actual
'
# To avoid relying too much on the current delta heuristics,
# we will check only that one of the two objects is a delta
# against the other, but not the order. We can do so by just
# asking for the base of both, and checking whether either
# sha1 appears in the output.
test_expect_success '%(deltabase) reports packed delta bases' '
git repack -ad &&
git cat-file --batch-check="%(deltabase)" <blobs >actual &&
{
grep "$(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 "$bogus_short_content") &&
bogus_short_sha1=$(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 "$bogus_long_content") &&
bogus_long_sha1=$(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_sha1
else
test_must_fail git cat-file $arg1 $arg2 $bogus_short_sha1 >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_sha1 too long, exceeds 32 bytes
fatal: Not a valid object name $bogus_long_sha1
EOF
else
cat >expect <<-EOF
error: header for $bogus_long_sha1 too long, exceeds 32 bytes
fatal: git cat-file: could not get object info
EOF
fi &&
if test "$arg1" = "--allow-unknown-type"
then
git cat-file $arg1 $arg2 $bogus_short_sha1
else
test_must_fail git cat-file $arg1 $arg2 $bogus_long_sha1 >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_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_sha1
'
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_sha1
'
test_expect_success '-p cannot print a broken object even with --allow-unknown-type' '
test_must_fail git cat-file -p $bogus_short_sha1 &&
test_expect_code 128 git cat-file -p --allow-unknown-type $bogus_short_sha1
'
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_sha1 2>err.actual &&
test_cmp err.expect err.actual
'
test_expect_success 'broken types combined with --batch and --batch-check' '
echo $bogus_short_sha1 >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 $bogus_short_sha1 >actual &&
test_cmp expect actual &&
# Create it manually, as "git replace" will die on bogus
# types.
head=$(git rev-parse --verify HEAD) &&
test_when_finished "rm -rf .git/refs/replace" &&
mkdir -p .git/refs/replace &&
echo $head >.git/refs/replace/$bogus_short_sha1 &&
cat >expect <<-EOF &&
commit
EOF
git cat-file -t --allow-unknown-type $bogus_short_sha1 >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_sha1 >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_sha1 >actual &&
test_cmp expect actual
'
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_sha1 >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 $bogus_long_sha1 >actual &&
test_cmp expect actual
'
test_expect_success 'cat-file -t and -s on corrupt loose object' '
git init --bare corrupt-loose.git &&
(
cd corrupt-loose.git &&
# Setup and create the empty blob and its path
empty_path=$(git rev-parse --git-path objects/$(test_oid_to_path "$EMPTY_BLOB")) &&
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" "$empty_path" &&
test_must_fail git fsck 2>err.fsck &&
grep "hash mismatch" err.fsck &&
# confirm that cat-file is reading the new swapped-in
# blob...
cat >out.expect <<-EOF &&
blob
EOF
git cat-file -t "$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 &&
grep "^error: inflate: data stream error (" err.fsck
)
'
# 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_sha1 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 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 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_sha1 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 --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_done