#!/bin/sh
test_description='test corner cases of git-archive'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
# the 10knuls.tar file is used to test for an empty git generated tar
# without having to invoke tar because an otherwise valid empty GNU tar
# will be considered broken by {Open,Net}BSD tar
test_expect_success 'create commit with empty tree and fake empty tar' '
git commit --allow-empty -m foo &&
perl -e "print \"\\0\" x 10240" >10knuls.tar
'
# Make a dir and clean it up afterwards
make_dir() {
mkdir "$1" &&
test_when_finished "rm -rf '$1'"
}
# Check that the dir given in "$1" contains exactly the
# set of paths given as arguments.
check_dir() {
dir=$1; shift
{
echo "$dir" &&
for i in "$@"; do
echo "$dir/$i"
done
} | sort >expect &&
find "$dir" ! -name pax_global_header -print | sort >actual &&
test_cmp expect actual
}
test_lazy_prereq UNZIP_ZIP64_SUPPORT '
"$GIT_UNZIP" -v | grep ZIP64_SUPPORT
'
# bsdtar/libarchive versions before 3.1.3 consider a tar file with a
# global pax header that is not followed by a file record as corrupt.
if "$TAR" tf "$TEST_DIRECTORY"/t5004/empty-with-pax-header.tar >/dev/null 2>&1
then
test_set_prereq HEADER_ONLY_TAR_OK
fi
test_expect_success HEADER_ONLY_TAR_OK 'tar archive of commit with empty tree' '
git archive --format=tar HEAD >empty-with-pax-header.tar &&
make_dir extract &&
"$TAR" xf empty-with-pax-header.tar -C extract &&
check_dir extract
'
test_expect_success 'tar archive of empty tree is empty' '
git archive --format=tar HEAD: >empty.tar &&
test_cmp_bin 10knuls.tar empty.tar
'
test_expect_success 'tar archive of empty tree with prefix' '
git archive --format=tar --prefix=foo/ HEAD >prefix.tar &&
make_dir extract &&
"$TAR" xf prefix.tar -C extract &&
check_dir extract foo
'
test_expect_success UNZIP 'zip archive of empty tree is empty' '
# Detect the exit code produced when our particular flavor of unzip
# sees an empty archive. Infozip will generate a warning and exit with
# code 1. But in the name of sanity, we do not expect other unzip
# implementations to do the same thing (it would be perfectly
# reasonable to exit 0, for example).
#
# This makes our test less rigorous on some platforms (unzip may not
# handle the empty repo at all, making our later check of its exit code
# a no-op). But we cannot do anything reasonable except skip the test
# on such platforms anyway, and this is the moral equivalent.
{
"$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip
expect_code=$?
} &&
git archive --format=zip HEAD >empty.zip &&
make_dir extract &&
(
cd extract &&
test_expect_code $expect_code "$GIT_UNZIP" ../empty.zip
) &&
check_dir extract
'
test_expect_success UNZIP 'zip archive of empty tree with prefix' '
# We do not have to play exit-code tricks here, because our
# result should not be empty; it has a directory in it.
git archive --format=zip --prefix=foo/ HEAD >prefix.zip &&
make_dir extract &&
(
cd extract &&
"$GIT_UNZIP" ../prefix.zip
) &&
check_dir extract foo
'
test_expect_success 'archive complains about pathspec on empty tree' '
test_must_fail git archive --format=tar HEAD -- foo >/dev/null
'
test_expect_success 'create a commit with an empty subtree' '
empty_tree=$(git hash-object -t tree /dev/null) &&
root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree)
'
test_expect_success 'archive empty subtree with no pathspec' '
git archive --format=tar $root_tree >subtree-all.tar &&
test_cmp_bin 10knuls.tar subtree-all.tar
'
test_expect_success 'archive empty subtree by direct pathspec' '
git archive --format=tar $root_tree -- sub >subtree-path.tar &&
test_cmp_bin 10knuls.tar subtree-path.tar
'
ZIPINFO=zipinfo
test_lazy_prereq ZIPINFO '
n=$("$ZIPINFO" "$TEST_DIRECTORY"/t5004/empty.zip | sed -n "2s/.* //p")
test "x$n" = "x0"
'
test_expect_success ZIPINFO 'zip archive with many entries' '
# add a directory with 256 files
mkdir 00 &&
for a in 0 1 2 3 4 5 6 7 8 9 a b c d e f
do
for b in 0 1 2 3 4 5 6 7 8 9 a b c d e f
do
: >00/$a$b || return 1
done
done &&
git add 00 &&
git commit -m "256 files in 1 directory" &&
# duplicate it to get 65536 files in 256 directories
subtree=$(git write-tree --prefix=00/) &&
for c in 0 1 2 3 4 5 6 7 8 9 a b c d e f
do
for d in 0 1 2 3 4 5 6 7 8 9 a b c d e f
do
echo "040000 tree $subtree $c$d" || return 1
done
done >tree &&
tree=$(git mktree <tree) &&
# zip them
git archive -o many.zip $tree &&
# check the number of entries in the ZIP file directory
expr 65536 + 256 >expect &&
"$ZIPINFO" -h many.zip >zipinfo &&
sed -n "2s/.* //p" <zipinfo >actual &&
test_cmp expect actual
'
test_expect_success EXPENSIVE,UNZIP,UNZIP_ZIP64_SUPPORT \
'zip archive bigger than 4GB' '
# build string containing 65536 characters
s=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef &&
s=$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s &&
s=$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s &&
# create blob with a length of 65536 + 1 bytes
blob=$(echo $s | git hash-object -w --stdin) &&
# create tree containing 65500 entries of that blob
for i in $(test_seq 1 65500)
do
echo "100644 blob $blob $i" || return 1
done >tree &&
tree=$(git mktree <tree) &&
# zip it, creating an archive a bit bigger than 4GB
git archive -0 -o many-big.zip $tree &&
"$GIT_UNZIP" -t many-big.zip 9999 65500 &&
"$GIT_UNZIP" -t many-big.zip
'
test_expect_success EXPENSIVE,LONG_IS_64BIT,UNZIP,UNZIP_ZIP64_SUPPORT,ZIPINFO \
'zip archive with files bigger than 4GB' '
# Pack created with:
# dd if=/dev/zero of=file bs=1M count=4100 && git hash-object -w file
mkdir -p .git/objects/pack &&
(
cd .git/objects/pack &&
"$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/big-pack.zip
) &&
blob=754a93d6fada4c6873360e6cb4b209132271ab0e &&
size=$(expr 4100 "*" 1024 "*" 1024) &&
# create a tree containing the file
tree=$(echo "100644 blob $blob big-file" | git mktree) &&
# zip it, creating an archive with a file bigger than 4GB
git archive -o big.zip $tree &&
"$GIT_UNZIP" -t big.zip &&
"$ZIPINFO" big.zip >big.lst &&
grep $size big.lst
'
build_tree() {
perl -e '
my $hash = $ARGV[0];
foreach my $order (2..6) {
$first = 10 ** $order;
foreach my $i (-13..-9) {
my $name = "a" x ($first + $i);
print "100644 blob $hash\t$name\n"
}
}
' "$1"
}
test_expect_success 'tar archive with long paths' '
blob=$(echo foo | git hash-object -w --stdin) &&
tree=$(build_tree $blob | git mktree) &&
git archive -o long_paths.tar $tree
'
test_done
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