#!/bin/sh test_description='test corner cases of git-archive' . ./test-lib.sh test_expect_success 'create commit with empty tree' ' git commit --allow-empty -m foo ' # 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 && perl -e "print \"\\0\" x 10240" >10knuls.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 $root_tree >subtree-all.tar && make_dir extract && "$TAR" xf subtree-all.tar -C extract && check_dir extract ' test_expect_success 'archive empty subtree by direct pathspec' ' git archive --format=tar $root_tree -- sub >subtree-path.tar && make_dir extract && "$TAR" xf subtree-path.tar -C extract && check_dir extract ' 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 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" 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" many.zip | head -2 | sed -n "2s/.* //p" >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 $i" done >tree && tree=$(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 ' test_done