t/t5004-archive-corner-cases.sh

   1 #!/bin/sh
   2
   3 test_description='test corner cases of git-archive'
   4 . ./test-lib.sh
   5
   6 test_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
  11 make_dir() {
  12         mkdir "$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.
  18 check_dir() {
  19         dir=$1; shift
  20         {
  21                 echo "$dir" &&
  22                 for i in "$@"; do
  23                         echo "$dir/$i"
  24                 done
  25         } | sort >expect &&
  26         find "$dir" ! -name pax_global_header -print | sort >actual &&
  27         test_cmp expect actual
  28 }
  29
  30 test_expect_success 'tar archive of empty tree is empty' '
  31         git archive --format=tar HEAD: >empty.tar &&
  32         perl -e "print \"\\0\" x 10240" >10knuls.tar &&
  33         test_cmp 10knuls.tar empty.tar
  34 '
  35
  36 test_expect_success 'tar archive of empty tree with prefix' '
  37         git archive --format=tar --prefix=foo/ HEAD >prefix.tar &&
  38         make_dir extract &&
  39         "$TAR" xf prefix.tar -C extract &&
  40         check_dir extract foo
  41 '
  42
  43 test_expect_success UNZIP 'zip archive of empty tree is empty' '
  44         # Detect the exit code produced when our particular flavor of unzip
  45         # sees an empty archive. Infozip will generate a warning and exit with
  46         # code 1. But in the name of sanity, we do not expect other unzip
  47         # implementations to do the same thing (it would be perfectly
  48         # reasonable to exit 0, for example).
  49         #
  50         # This makes our test less rigorous on some platforms (unzip may not
  51         # handle the empty repo at all, making our later check of its exit code
  52         # a no-op). But we cannot do anything reasonable except skip the test
  53         # on such platforms anyway, and this is the moral equivalent.
  54         "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip
  55         expect_code=$?
  56
  57         git archive --format=zip HEAD >empty.zip &&
  58         make_dir extract &&
  59         (
  60                 cd extract &&
  61                 test_expect_code $expect_code "$GIT_UNZIP" ../empty.zip
  62         ) &&
  63         check_dir extract
  64 '
  65
  66 test_expect_success UNZIP 'zip archive of empty tree with prefix' '
  67         # We do not have to play exit-code tricks here, because our
  68         # result should not be empty; it has a directory in it.
  69         git archive --format=zip --prefix=foo/ HEAD >prefix.zip &&
  70         make_dir extract &&
  71         (
  72                 cd extract &&
  73                 "$GIT_UNZIP" ../prefix.zip
  74         ) &&
  75         check_dir extract foo
  76 '
  77
  78 test_expect_success 'archive complains about pathspec on empty tree' '
  79         test_must_fail git archive --format=tar HEAD -- foo >/dev/null
  80 '
  81
  82 test_expect_success 'create a commit with an empty subtree' '
  83         empty_tree=$(git hash-object -t tree /dev/null) &&
  84         root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree)
  85 '
  86
  87 test_expect_success 'archive empty subtree with no pathspec' '
  88         git archive --format=tar $root_tree >subtree-all.tar &&
  89         make_dir extract &&
  90         "$TAR" xf subtree-all.tar -C extract &&
  91         check_dir extract sub
  92 '
  93
  94 test_expect_success 'archive empty subtree by direct pathspec' '
  95         git archive --format=tar $root_tree -- sub >subtree-path.tar &&
  96         make_dir extract &&
  97         "$TAR" xf subtree-path.tar -C extract &&
  98         check_dir extract sub
  99 '
 100
 101 test_done