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