t/t7424-submodule-mixed-ref-formats.sh

   1 #!/bin/sh
   2
   3 test_description='submodules handle mixed ref storage formats'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 test_ref_format () {
   9         echo "$2" >expect &&
  10         git -C "$1" rev-parse --show-ref-format >actual &&
  11         test_cmp expect actual
  12 }
  13
  14 for OTHER_FORMAT in files reftable
  15 do
  16         if test "$OTHER_FORMAT" = "$GIT_DEFAULT_REF_FORMAT"
  17         then
  18                 continue
  19         fi
  20
  21 test_expect_success 'setup' '
  22         git config set --global protocol.file.allow always &&
  23         # Some tests migrate the ref storage format, which does not work with
  24         # reflogs at the time of writing these tests.
  25         git config set --global core.logAllRefUpdates false
  26 '
  27
  28 test_expect_success 'add existing repository with different ref storage format' '
  29         test_when_finished "rm -rf parent" &&
  30
  31         git init parent &&
  32         (
  33                 cd parent &&
  34                 test_commit parent &&
  35                 git init --ref-format=$OTHER_FORMAT submodule &&
  36                 test_commit -C submodule submodule &&
  37                 git submodule add ./submodule
  38         )
  39 '
  40
  41 test_expect_success 'add submodules with different ref storage format' '
  42         test_when_finished "rm -rf submodule upstream" &&
  43
  44         git init submodule &&
  45         test_commit -C submodule submodule-initial &&
  46         git init upstream &&
  47         test_ref_format upstream "$GIT_DEFAULT_REF_FORMAT" &&
  48         git -C upstream submodule add --ref-format="$OTHER_FORMAT" "file://$(pwd)/submodule" &&
  49         test_ref_format upstream/submodule "$OTHER_FORMAT"
  50 '
  51
  52 test_expect_success 'recursive clone propagates ref storage format' '
  53         test_when_finished "rm -rf submodule upstream downstream" &&
  54
  55         git init submodule &&
  56         test_commit -C submodule submodule-initial &&
  57         git init upstream &&
  58         git -C upstream submodule add "file://$(pwd)/submodule" &&
  59         git -C upstream commit -am "add submodule" &&
  60
  61         # The upstream repository and its submodule should be using the default
  62         # ref format.
  63         test_ref_format upstream "$GIT_DEFAULT_REF_FORMAT" &&
  64         test_ref_format upstream/submodule "$GIT_DEFAULT_REF_FORMAT" &&
  65
  66         # The cloned repositories should use the other ref format that we have
  67         # specified via `--ref-format`. The option should propagate to cloned
  68         # submodules.
  69         git clone --ref-format=$OTHER_FORMAT --recurse-submodules \
  70                 upstream downstream &&
  71         test_ref_format downstream "$OTHER_FORMAT" &&
  72         test_ref_format downstream/submodule "$OTHER_FORMAT"
  73 '
  74
  75 test_expect_success 'clone submodules with different ref storage format' '
  76         test_when_finished "rm -rf submodule upstream downstream" &&
  77
  78         git init submodule &&
  79         test_commit -C submodule submodule-initial &&
  80         git init upstream &&
  81         git -C upstream submodule add "file://$(pwd)/submodule" &&
  82         git -C upstream commit -m "upstream submodule" &&
  83
  84         git clone --no-recurse-submodules "file://$(pwd)/upstream" downstream &&
  85         test_ref_format downstream "$GIT_DEFAULT_REF_FORMAT" &&
  86         git -C downstream submodule update --init --ref-format=$OTHER_FORMAT &&
  87         test_ref_format downstream/submodule "$OTHER_FORMAT"
  88 '
  89
  90 test_expect_success 'status with mixed submodule ref storages' '
  91         test_when_finished "rm -rf submodule main" &&
  92
  93         git init submodule &&
  94         test_commit -C submodule submodule-initial &&
  95         git init main &&
  96         git -C main submodule add "file://$(pwd)/submodule" &&
  97         git -C main commit -m "add submodule" &&
  98         git -C main/submodule refs migrate --ref-format=$OTHER_FORMAT &&
  99
 100         # The main repository should use the default ref format now, whereas
 101         # the submodule should use the other format.
 102         test_ref_format main "$GIT_DEFAULT_REF_FORMAT" &&
 103         test_ref_format main/submodule "$OTHER_FORMAT" &&
 104
 105         cat >expect <<-EOF &&
 106          $(git -C main/submodule rev-parse HEAD) submodule (submodule-initial)
 107         EOF
 108         git -C main submodule status >actual &&
 109         test_cmp expect actual
 110 '
 111
 112 test_expect_success 'recursive pull with mixed formats' '
 113         test_when_finished "rm -rf submodule upstream downstream" &&
 114
 115         # Set up the initial structure with an upstream repository that has a
 116         # submodule, as well as a downstream clone of the upstream repository.
 117         git init submodule &&
 118         test_commit -C submodule submodule-initial &&
 119         git init upstream &&
 120         git -C upstream submodule add "file://$(pwd)/submodule" &&
 121         git -C upstream commit -m "upstream submodule" &&
 122
 123         # Clone the upstream repository such that the main repo and its
 124         # submodules have different formats.
 125         git clone --no-recurse-submodules "file://$(pwd)/upstream" downstream &&
 126         git -C downstream submodule update --init --ref-format=$OTHER_FORMAT &&
 127         test_ref_format downstream "$GIT_DEFAULT_REF_FORMAT" &&
 128         test_ref_format downstream/submodule "$OTHER_FORMAT" &&
 129
 130         # Update the upstream submodule as well as the owning repository such
 131         # that we can do a recursive pull.
 132         test_commit -C submodule submodule-update &&
 133         git -C upstream/submodule pull &&
 134         git -C upstream commit -am "update the submodule" &&
 135
 136         git -C downstream pull --recurse-submodules &&
 137         git -C upstream/submodule rev-parse HEAD >expect &&
 138         git -C downstream/submodule rev-parse HEAD >actual &&
 139         test_cmp expect actual
 140 '
 141
 142 done
 143
 144 test_done