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