t/t3211-peel-ref.sh

   1 #!/bin/sh
   2
   3 test_description='tests for the peel_ref optimization of packed-refs'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 . ./test-lib.sh
   8
   9 test_expect_success 'create annotated tag in refs/tags' '
  10         test_commit base &&
  11         git tag -m annotated foo
  12 '
  13
  14 test_expect_success 'create annotated tag outside of refs/tags' '
  15         git update-ref refs/outside/foo refs/tags/foo
  16 '
  17
  18 # This matches show-ref's output
  19 print_ref() {
  20         echo "$(git rev-parse "$1") $1"
  21 }
  22
  23 test_expect_success 'set up expected show-ref output' '
  24         {
  25                 print_ref "refs/heads/main" &&
  26                 print_ref "refs/outside/foo" &&
  27                 print_ref "refs/outside/foo^{}" &&
  28                 print_ref "refs/tags/base" &&
  29                 print_ref "refs/tags/foo" &&
  30                 print_ref "refs/tags/foo^{}"
  31         } >expect
  32 '
  33
  34 test_expect_success 'refs are peeled outside of refs/tags (loose)' '
  35         git show-ref -d >actual &&
  36         test_cmp expect actual
  37 '
  38
  39 test_expect_success 'refs are peeled outside of refs/tags (packed)' '
  40         git pack-refs --all &&
  41         git show-ref -d >actual &&
  42         test_cmp expect actual
  43 '
  44
  45 test_expect_success 'create old-style pack-refs without fully-peeled' '
  46         # Git no longer writes without fully-peeled, so we just write our own
  47         # from scratch; we could also munge the existing file to remove the
  48         # fully-peeled bits, but that seems even more prone to failure,
  49         # especially if the format ever changes again. At least this way we
  50         # know we are emulating exactly what an older git would have written.
  51         {
  52                 echo "# pack-refs with: peeled " &&
  53                 print_ref "refs/heads/main" &&
  54                 print_ref "refs/outside/foo" &&
  55                 print_ref "refs/tags/base" &&
  56                 print_ref "refs/tags/foo" &&
  57                 echo "^$(git rev-parse "refs/tags/foo^{}")"
  58         } >tmp &&
  59         mv tmp .git/packed-refs
  60 '
  61
  62 test_expect_success 'refs are peeled outside of refs/tags (old packed)' '
  63         git show-ref -d >actual &&
  64         test_cmp expect actual
  65 '
  66
  67 test_expect_success 'peeled refs survive deletion of packed ref' '
  68         git pack-refs --all &&
  69         cp .git/packed-refs fully-peeled &&
  70         git branch yadda &&
  71         git pack-refs --all &&
  72         git branch -d yadda &&
  73         test_cmp fully-peeled .git/packed-refs
  74 '
  75
  76 test_done