1#!/bin/sh 2 3test_description='test corner cases of git-archive' 4. ./test-lib.sh 5 6test_expect_success 'create commit with empty tree'' 7 git commit --allow-empty -m foo 8' 9 10# Make a dir and clean it up afterwards 11make_dir() { 12mkdir"$1"&& 13 test_when_finished "rm -rf '$1'" 14} 15 16# Check that the dir given in "$1" contains exactly the 17# set of paths given as arguments. 18check_dir() { 19 dir=$1;shift 20{ 21echo"$dir"&& 22for i in"$@";do 23echo"$dir/$i" 24done 25} |sort>expect && 26find"$dir"!-name pax_global_header -print|sort>actual && 27 test_cmp expect actual 28} 29 30test_lazy_prereq UNZIP_ZIP64_SUPPORT ' 31 "$GIT_UNZIP" -v | grep ZIP64_SUPPORT 32' 33 34# bsdtar/libarchive versions before 3.1.3 consider a tar file with a 35# global pax header that is not followed by a file record as corrupt. 36if"$TAR" tf "$TEST_DIRECTORY"/t5004/empty-with-pax-header.tar>/dev/null 2>&1 37then 38 test_set_prereq HEADER_ONLY_TAR_OK 39fi 40 41test_expect_success HEADER_ONLY_TAR_OK 'tar archive of commit with empty tree'' 42 git archive --format=tar HEAD >empty-with-pax-header.tar && 43 make_dir extract && 44 "$TAR" xf empty-with-pax-header.tar -C extract && 45 check_dir extract 46' 47 48test_expect_success 'tar archive of empty tree is empty'' 49 git archive --format=tar HEAD: >empty.tar && 50 perl -e "print\"\\0\"x 10240" >10knuls.tar && 51 test_cmp_bin 10knuls.tar empty.tar 52' 53 54test_expect_success 'tar archive of empty tree with prefix'' 55 git archive --format=tar --prefix=foo/ HEAD >prefix.tar && 56 make_dir extract && 57 "$TAR" xf prefix.tar -C extract && 58 check_dir extract foo 59' 60 61test_expect_success UNZIP 'zip archive of empty tree is empty'' 62 # Detect the exit code produced when our particular flavor of unzip 63 # sees an empty archive. Infozip will generate a warning and exit with 64 # code 1. But in the name of sanity, we do not expect other unzip 65 # implementations to do the same thing (it would be perfectly 66 # reasonable to exit 0, for example). 67 # 68 # This makes our test less rigorous on some platforms (unzip may not 69 # handle the empty repo at all, making our later check of its exit code 70 # a no-op). But we cannot do anything reasonable except skip the test 71 # on such platforms anyway, and this is the moral equivalent. 72 { 73 "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip 74 expect_code=$? 75 } && 76 77 git archive --format=zip HEAD >empty.zip && 78 make_dir extract && 79 ( 80 cd extract && 81 test_expect_code$expect_code"$GIT_UNZIP" ../empty.zip 82 ) && 83 check_dir extract 84' 85 86test_expect_success UNZIP 'zip archive of empty tree with prefix'' 87 # We do not have to play exit-code tricks here, because our 88 # result should not be empty; it has a directory in it. 89 git archive --format=zip --prefix=foo/ HEAD >prefix.zip && 90 make_dir extract && 91 ( 92 cd extract && 93 "$GIT_UNZIP" ../prefix.zip 94 ) && 95 check_dir extract foo 96' 97 98test_expect_success 'archive complains about pathspec on empty tree'' 99 test_must_fail git archive --format=tar HEAD -- foo >/dev/null 100' 101 102test_expect_success 'create a commit with an empty subtree'' 103 empty_tree=$(git hash-object -t tree /dev/null)&& 104 root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree) 105' 106 107test_expect_success 'archive empty subtree with no pathspec'' 108 git archive --format=tar$root_tree>subtree-all.tar && 109 make_dir extract && 110 "$TAR" xf subtree-all.tar -C extract && 111 check_dir extract 112' 113 114test_expect_success 'archive empty subtree by direct pathspec'' 115 git archive --format=tar$root_tree-- sub >subtree-path.tar && 116 make_dir extract && 117 "$TAR" xf subtree-path.tar -C extract && 118 check_dir extract 119' 120 121ZIPINFO=zipinfo 122 123test_lazy_prereq ZIPINFO ' 124 n=$("$ZIPINFO" "$TEST_DIRECTORY"/t5004/empty.zip | sed -n "2s/.* //p") 125 test "x$n" = "x0" 126' 127 128test_expect_success ZIPINFO 'zip archive with many entries'' 129 # add a directory with 256 files 130 mkdir 00 && 131 for a in 0 1 2 3 4 5 6 7 8 9 a b c d e f 132 do 133 for b in 0 1 2 3 4 5 6 7 8 9 a b c d e f 134 do 135 : >00/$a$b 136 done 137 done && 138 git add 00 && 139 git commit -m "256 files in 1 directory" && 140 141 # duplicate it to get 65536 files in 256 directories 142 subtree=$(git write-tree --prefix=00/)&& 143 for c in 0 1 2 3 4 5 6 7 8 9 a b c d e f 144 do 145 for d in 0 1 2 3 4 5 6 7 8 9 a b c d e f 146 do 147 echo "040000 tree$subtree$c$d" 148 done 149 done >tree && 150 tree=$(git mktree <tree)&& 151 152 # zip them 153 git archive -o many.zip$tree&& 154 155 # check the number of entries in the ZIP file directory 156 expr 65536 + 256 >expect && 157 "$ZIPINFO" many.zip | head -2 | sed -n "2s/.* //p" >actual && 158 test_cmp expect actual 159' 160 161test_expect_success EXPENSIVE,UNZIP,UNZIP_ZIP64_SUPPORT \ 162'zip archive bigger than 4GB'' 163 # build string containing 65536 characters 164 s=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef && 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 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&& 167 168 # create blob with a length of 65536 + 1 bytes 169 blob=$(echo $s | git hash-object -w --stdin)&& 170 171 # create tree containing 65500 entries of that blob 172 for i in$(test_seq 1 65500) 173 do 174 echo "100644 blob$blob$i" 175 done >tree && 176 tree=$(git mktree <tree)&& 177 178 # zip it, creating an archive a bit bigger than 4GB 179 git archive -0 -o many-big.zip$tree&& 180 181 "$GIT_UNZIP" -t many-big.zip 9999 65500 && 182 "$GIT_UNZIP" -t many-big.zip 183' 184 185test_expect_success EXPENSIVE,LONG_IS_64BIT,UNZIP,UNZIP_ZIP64_SUPPORT,ZIPINFO \ 186'zip archive with files bigger than 4GB'' 187 # Pack created with: 188 # dd if=/dev/zero of=file bs=1M count=4100 && git hash-object -w file 189 mkdir -p .git/objects/pack && 190 ( 191 cd .git/objects/pack && 192 "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/big-pack.zip 193 ) && 194 blob=754a93d6fada4c6873360e6cb4b209132271ab0e && 195 size=$(expr 4100 "*" 1024 "*" 1024)&& 196 197 # create a tree containing the file 198 tree=$(echo "100644 blob $blob big-file" | git mktree)&& 199 200 # zip it, creating an archive with a file bigger than 4GB 201 git archive -o big.zip$tree&& 202 203 "$GIT_UNZIP" -t big.zip && 204 "$ZIPINFO" big.zip >big.lst && 205 grep$sizebig.lst 206' 207 208test_done