1#!/bin/sh 2 3test_description='test corner cases of git-archive' 4. ./test-lib.sh 5 6# the 10knuls.tar file is used to test for an empty git generated tar 7# without having to invoke tar because an otherwise valid empty GNU tar 8# will be considered broken by {Open,Net}BSD tar 9test_expect_success 'create commit with empty tree and fake empty tar'' 10 git commit --allow-empty -m foo && 11 perl -e "print\"\\0\"x 10240" >10knuls.tar 12' 13 14# Make a dir and clean it up afterwards 15make_dir() { 16mkdir"$1"&& 17 test_when_finished "rm -rf '$1'" 18} 19 20# Check that the dir given in "$1" contains exactly the 21# set of paths given as arguments. 22check_dir() { 23 dir=$1;shift 24{ 25echo"$dir"&& 26for i in"$@";do 27echo"$dir/$i" 28done 29} |sort>expect && 30find"$dir"!-name pax_global_header -print|sort>actual && 31 test_cmp expect actual 32} 33 34test_lazy_prereq UNZIP_ZIP64_SUPPORT ' 35 "$GIT_UNZIP" -v | grep ZIP64_SUPPORT 36' 37 38# bsdtar/libarchive versions before 3.1.3 consider a tar file with a 39# global pax header that is not followed by a file record as corrupt. 40if"$TAR" tf "$TEST_DIRECTORY"/t5004/empty-with-pax-header.tar>/dev/null 2>&1 41then 42 test_set_prereq HEADER_ONLY_TAR_OK 43fi 44 45test_expect_success HEADER_ONLY_TAR_OK 'tar archive of commit with empty tree'' 46 git archive --format=tar HEAD >empty-with-pax-header.tar && 47 make_dir extract && 48 "$TAR" xf empty-with-pax-header.tar -C extract && 49 check_dir extract 50' 51 52test_expect_success 'tar archive of empty tree is empty'' 53 git archive --format=tar HEAD: >empty.tar && 54 test_cmp_bin 10knuls.tar empty.tar 55' 56 57test_expect_success 'tar archive of empty tree with prefix'' 58 git archive --format=tar --prefix=foo/ HEAD >prefix.tar && 59 make_dir extract && 60 "$TAR" xf prefix.tar -C extract && 61 check_dir extract foo 62' 63 64test_expect_success UNZIP 'zip archive of empty tree is empty'' 65 # Detect the exit code produced when our particular flavor of unzip 66 # sees an empty archive. Infozip will generate a warning and exit with 67 # code 1. But in the name of sanity, we do not expect other unzip 68 # implementations to do the same thing (it would be perfectly 69 # reasonable to exit 0, for example). 70 # 71 # This makes our test less rigorous on some platforms (unzip may not 72 # handle the empty repo at all, making our later check of its exit code 73 # a no-op). But we cannot do anything reasonable except skip the test 74 # on such platforms anyway, and this is the moral equivalent. 75 { 76 "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip 77 expect_code=$? 78 } && 79 80 git archive --format=zip HEAD >empty.zip && 81 make_dir extract && 82 ( 83 cd extract && 84 test_expect_code$expect_code"$GIT_UNZIP" ../empty.zip 85 ) && 86 check_dir extract 87' 88 89test_expect_success UNZIP 'zip archive of empty tree with prefix'' 90 # We do not have to play exit-code tricks here, because our 91 # result should not be empty; it has a directory in it. 92 git archive --format=zip --prefix=foo/ HEAD >prefix.zip && 93 make_dir extract && 94 ( 95 cd extract && 96 "$GIT_UNZIP" ../prefix.zip 97 ) && 98 check_dir extract foo 99' 100 101test_expect_success 'archive complains about pathspec on empty tree'' 102 test_must_fail git archive --format=tar HEAD -- foo >/dev/null 103' 104 105test_expect_success 'create a commit with an empty subtree'' 106 empty_tree=$(git hash-object -t tree /dev/null)&& 107 root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree) 108' 109 110test_expect_success 'archive empty subtree with no pathspec'' 111 git archive --format=tar$root_tree>subtree-all.tar && 112 test_cmp_bin 10knuls.tar subtree-all.tar 113' 114 115test_expect_success 'archive empty subtree by direct pathspec'' 116 git archive --format=tar$root_tree-- sub >subtree-path.tar && 117 test_cmp_bin 10knuls.tar subtree-path.tar 118' 119 120ZIPINFO=zipinfo 121 122test_lazy_prereq ZIPINFO ' 123 n=$("$ZIPINFO" "$TEST_DIRECTORY"/t5004/empty.zip | sed -n "2s/.* //p") 124 test "x$n" = "x0" 125' 126 127test_expect_success ZIPINFO 'zip archive with many entries'' 128 # add a directory with 256 files 129 mkdir 00 && 130 for a in 0 1 2 3 4 5 6 7 8 9 a b c d e f 131 do 132 for b in 0 1 2 3 4 5 6 7 8 9 a b c d e f 133 do 134 : >00/$a$b 135 done 136 done && 137 git add 00 && 138 git commit -m "256 files in 1 directory" && 139 140 # duplicate it to get 65536 files in 256 directories 141 subtree=$(git write-tree --prefix=00/)&& 142 for c in 0 1 2 3 4 5 6 7 8 9 a b c d e f 143 do 144 for d in 0 1 2 3 4 5 6 7 8 9 a b c d e f 145 do 146 echo "040000 tree$subtree$c$d" 147 done 148 done >tree && 149 tree=$(git mktree <tree)&& 150 151 # zip them 152 git archive -o many.zip$tree&& 153 154 # check the number of entries in the ZIP file directory 155 expr 65536 + 256 >expect && 156 "$ZIPINFO" many.zip | head -2 | sed -n "2s/.* //p" >actual && 157 test_cmp expect actual 158' 159 160test_expect_success EXPENSIVE,UNZIP,UNZIP_ZIP64_SUPPORT \ 161'zip archive bigger than 4GB'' 162 # build string containing 65536 characters 163 s=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef && 164 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&& 165 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&& 166 167 # create blob with a length of 65536 + 1 bytes 168 blob=$(echo $s | git hash-object -w --stdin)&& 169 170 # create tree containing 65500 entries of that blob 171 for i in$(test_seq 1 65500) 172 do 173 echo "100644 blob$blob$i" 174 done >tree && 175 tree=$(git mktree <tree)&& 176 177 # zip it, creating an archive a bit bigger than 4GB 178 git archive -0 -o many-big.zip$tree&& 179 180 "$GIT_UNZIP" -t many-big.zip 9999 65500 && 181 "$GIT_UNZIP" -t many-big.zip 182' 183 184test_expect_success EXPENSIVE,LONG_IS_64BIT,UNZIP,UNZIP_ZIP64_SUPPORT,ZIPINFO \ 185'zip archive with files bigger than 4GB'' 186 # Pack created with: 187 # dd if=/dev/zero of=file bs=1M count=4100 && git hash-object -w file 188 mkdir -p .git/objects/pack && 189 ( 190 cd .git/objects/pack && 191 "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/big-pack.zip 192 ) && 193 blob=754a93d6fada4c6873360e6cb4b209132271ab0e && 194 size=$(expr 4100 "*" 1024 "*" 1024)&& 195 196 # create a tree containing the file 197 tree=$(echo "100644 blob $blob big-file" | git mktree)&& 198 199 # zip it, creating an archive with a file bigger than 4GB 200 git archive -o big.zip$tree&& 201 202 "$GIT_UNZIP" -t big.zip && 203 "$ZIPINFO" big.zip >big.lst && 204 grep$sizebig.lst 205' 206 207test_done