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