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 30 31# bsdtar/libarchive versions before 3.1.3 consider a tar file with a 32# global pax header that is not followed by a file record as corrupt. 33if"$TAR" tf "$TEST_DIRECTORY"/t5004/empty-with-pax-header.tar>/dev/null 2>&1 34then 35 test_set_prereq HEADER_ONLY_TAR_OK 36fi 37 38test_expect_success HEADER_ONLY_TAR_OK 'tar archive of commit with empty tree'' 39 git archive --format=tar HEAD >empty-with-pax-header.tar && 40 make_dir extract && 41 "$TAR" xf empty-with-pax-header.tar -C extract && 42 check_dir extract 43' 44 45test_expect_success 'tar archive of empty tree is empty'' 46 git archive --format=tar HEAD: >empty.tar && 47 perl -e "print\"\\0\"x 10240" >10knuls.tar && 48 test_cmp_bin 10knuls.tar empty.tar 49' 50 51test_expect_success 'tar archive of empty tree with prefix'' 52 git archive --format=tar --prefix=foo/ HEAD >prefix.tar && 53 make_dir extract && 54 "$TAR" xf prefix.tar -C extract && 55 check_dir extract foo 56' 57 58test_expect_success UNZIP 'zip archive of empty tree is empty'' 59 # Detect the exit code produced when our particular flavor of unzip 60 # sees an empty archive. Infozip will generate a warning and exit with 61 # code 1. But in the name of sanity, we do not expect other unzip 62 # implementations to do the same thing (it would be perfectly 63 # reasonable to exit 0, for example). 64 # 65 # This makes our test less rigorous on some platforms (unzip may not 66 # handle the empty repo at all, making our later check of its exit code 67 # a no-op). But we cannot do anything reasonable except skip the test 68 # on such platforms anyway, and this is the moral equivalent. 69 { 70 "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip 71 expect_code=$? 72 } && 73 74 git archive --format=zip HEAD >empty.zip && 75 make_dir extract && 76 ( 77 cd extract && 78 test_expect_code$expect_code"$GIT_UNZIP" ../empty.zip 79 ) && 80 check_dir extract 81' 82 83test_expect_success UNZIP 'zip archive of empty tree with prefix'' 84 # We do not have to play exit-code tricks here, because our 85 # result should not be empty; it has a directory in it. 86 git archive --format=zip --prefix=foo/ HEAD >prefix.zip && 87 make_dir extract && 88 ( 89 cd extract && 90 "$GIT_UNZIP" ../prefix.zip 91 ) && 92 check_dir extract foo 93' 94 95test_expect_success 'archive complains about pathspec on empty tree'' 96 test_must_fail git archive --format=tar HEAD -- foo >/dev/null 97' 98 99test_expect_success 'create a commit with an empty subtree'' 100 empty_tree=$(git hash-object -t tree /dev/null)&& 101 root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree) 102' 103 104test_expect_success 'archive empty subtree with no pathspec'' 105 git archive --format=tar$root_tree>subtree-all.tar && 106 make_dir extract && 107 "$TAR" xf subtree-all.tar -C extract && 108 check_dir extract sub 109' 110 111test_expect_success 'archive empty subtree by direct pathspec'' 112 git archive --format=tar$root_tree-- sub >subtree-path.tar && 113 make_dir extract && 114 "$TAR" xf subtree-path.tar -C extract && 115 check_dir extract sub 116' 117 118ZIPINFO=zipinfo 119 120test_lazy_prereq ZIPINFO ' 121 n=$("$ZIPINFO" "$TEST_DIRECTORY"/t5004/empty.zip | sed -n "2s/.* //p") 122 test "x$n" = "x0" 123' 124 125test_expect_success ZIPINFO 'zip archive with many entries'' 126 # add a directory with 256 files 127 mkdir 00 && 128 for a in 0 1 2 3 4 5 6 7 8 9 a b c d e f 129 do 130 for b in 0 1 2 3 4 5 6 7 8 9 a b c d e f 131 do 132 : >00/$a$b 133 done 134 done && 135 git add 00 && 136 git commit -m "256 files in 1 directory" && 137 138 # duplicate it to get 65536 files in 256 directories 139 subtree=$(git write-tree --prefix=00/)&& 140 for c in 0 1 2 3 4 5 6 7 8 9 a b c d e f 141 do 142 for d in 0 1 2 3 4 5 6 7 8 9 a b c d e f 143 do 144 echo "040000 tree$subtree$c$d" 145 done 146 done >tree && 147 tree=$(git mktree <tree)&& 148 149 # zip them 150 git archive -o many.zip$tree&& 151 152 # check the number of entries in the ZIP file directory 153 expr 65536 + 256 >expect && 154 "$ZIPINFO" many.zip | head -2 | sed -n "2s/.* //p" >actual && 155 test_cmp expect actual 156' 157 158test_expect_failure EXPENSIVE,UNZIP 'zip archive bigger than 4GB'' 159 # build string containing 65536 characters 160 s=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef && 161 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&& 162 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&& 163 164 # create blob with a length of 65536 + 1 bytes 165 blob=$(echo $s | git hash-object -w --stdin)&& 166 167 # create tree containing 65500 entries of that blob 168 for i in$(test_seq 1 65500) 169 do 170 echo "100644 blob$blob$i" 171 done >tree && 172 tree=$(git mktree <tree)&& 173 174 # zip it, creating an archive a bit bigger than 4GB 175 git archive -0 -o many-big.zip$tree&& 176 177 "$GIT_UNZIP" -t many-big.zip 9999 65500 && 178 "$GIT_UNZIP" -t many-big.zip 179' 180 181test_expect_failure EXPENSIVE,UNZIP,ZIPINFO 'zip archive with files bigger than 4GB'' 182 # Pack created with: 183 # dd if=/dev/zero of=file bs=1M count=4100 && git hash-object -w file 184 mkdir -p .git/objects/pack && 185 ( 186 cd .git/objects/pack && 187 "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/big-pack.zip 188 ) && 189 blob=754a93d6fada4c6873360e6cb4b209132271ab0e && 190 size=$(expr 4100 "*" 1024 "*" 1024)&& 191 192 # create a tree containing the file 193 tree=$(echo "100644 blob $blob big-file" | git mktree)&& 194 195 # zip it, creating an archive with a file bigger than 4GB 196 git archive -o big.zip$tree&& 197 198 "$GIT_UNZIP" -t big.zip && 199 "$ZIPINFO" big.zip >big.lst && 200 grep$sizebig.lst 201' 202 203test_done