t/t5533-push-cas.sh

   1 #!/bin/sh
   2
   3 test_description='compare & swap push force/delete safety'
   4
   5 . ./test-lib.sh
   6
   7 setup_srcdst_basic () {
   8         rm -fr src dst &&
   9         git clone --no-local . src &&
  10         git clone --no-local src dst &&
  11         (
  12                 cd src && git checkout HEAD^0
  13         )
  14 }
  15
  16 test_expect_success setup '
  17         # create template repository
  18         test_commit A &&
  19         test_commit B &&
  20         test_commit C
  21 '
  22
  23 test_expect_success 'push to update (protected)' '
  24         setup_srcdst_basic &&
  25         (
  26                 cd dst &&
  27                 test_commit D &&
  28                 test_must_fail git push --force-with-lease=master:master origin master 2>err &&
  29                 grep "stale info" err
  30         ) &&
  31         git ls-remote . refs/heads/master >expect &&
  32         git ls-remote src refs/heads/master >actual &&
  33         test_cmp expect actual
  34 '
  35
  36 test_expect_success 'push to update (protected, forced)' '
  37         setup_srcdst_basic &&
  38         (
  39                 cd dst &&
  40                 test_commit D &&
  41                 git push --force --force-with-lease=master:master origin master 2>err &&
  42                 grep "forced update" err
  43         ) &&
  44         git ls-remote dst refs/heads/master >expect &&
  45         git ls-remote src refs/heads/master >actual &&
  46         test_cmp expect actual
  47 '
  48
  49 test_expect_success 'push to update (protected, tracking)' '
  50         setup_srcdst_basic &&
  51         (
  52                 cd src &&
  53                 git checkout master &&
  54                 test_commit D &&
  55                 git checkout HEAD^0
  56         ) &&
  57         git ls-remote src refs/heads/master >expect &&
  58         (
  59                 cd dst &&
  60                 test_commit E &&
  61                 git ls-remote . refs/remotes/origin/master >expect &&
  62                 test_must_fail git push --force-with-lease=master origin master &&
  63                 git ls-remote . refs/remotes/origin/master >actual &&
  64                 test_cmp expect actual
  65         ) &&
  66         git ls-remote src refs/heads/master >actual &&
  67         test_cmp expect actual
  68 '
  69
  70 test_expect_success 'push to update (protected, tracking, forced)' '
  71         setup_srcdst_basic &&
  72         (
  73                 cd src &&
  74                 git checkout master &&
  75                 test_commit D &&
  76                 git checkout HEAD^0
  77         ) &&
  78         (
  79                 cd dst &&
  80                 test_commit E &&
  81                 git ls-remote . refs/remotes/origin/master >expect &&
  82                 git push --force --force-with-lease=master origin master
  83         ) &&
  84         git ls-remote dst refs/heads/master >expect &&
  85         git ls-remote src refs/heads/master >actual &&
  86         test_cmp expect actual
  87 '
  88
  89 test_expect_success 'push to update (allowed)' '
  90         setup_srcdst_basic &&
  91         (
  92                 cd dst &&
  93                 test_commit D &&
  94                 git push --force-with-lease=master:master^ origin master
  95         ) &&
  96         git ls-remote dst refs/heads/master >expect &&
  97         git ls-remote src refs/heads/master >actual &&
  98         test_cmp expect actual
  99 '
 100
 101 test_expect_success 'push to update (allowed, tracking)' '
 102         setup_srcdst_basic &&
 103         (
 104                 cd dst &&
 105                 test_commit D &&
 106                 git push --force-with-lease=master origin master 2>err &&
 107                 ! grep "forced update" err
 108         ) &&
 109         git ls-remote dst refs/heads/master >expect &&
 110         git ls-remote src refs/heads/master >actual &&
 111         test_cmp expect actual
 112 '
 113
 114 test_expect_success 'push to update (allowed even though no-ff)' '
 115         setup_srcdst_basic &&
 116         (
 117                 cd dst &&
 118                 git reset --hard HEAD^ &&
 119                 test_commit D &&
 120                 git push --force-with-lease=master origin master 2>err &&
 121                 grep "forced update" err
 122         ) &&
 123         git ls-remote dst refs/heads/master >expect &&
 124         git ls-remote src refs/heads/master >actual &&
 125         test_cmp expect actual
 126 '
 127
 128 test_expect_success 'push to delete (protected)' '
 129         setup_srcdst_basic &&
 130         git ls-remote src refs/heads/master >expect &&
 131         (
 132                 cd dst &&
 133                 test_must_fail git push --force-with-lease=master:master^ origin :master
 134         ) &&
 135         git ls-remote src refs/heads/master >actual &&
 136         test_cmp expect actual
 137 '
 138
 139 test_expect_success 'push to delete (protected, forced)' '
 140         setup_srcdst_basic &&
 141         (
 142                 cd dst &&
 143                 git push --force --force-with-lease=master:master^ origin :master
 144         ) &&
 145         git ls-remote src refs/heads/master >actual &&
 146         test_must_be_empty actual
 147 '
 148
 149 test_expect_success 'push to delete (allowed)' '
 150         setup_srcdst_basic &&
 151         (
 152                 cd dst &&
 153                 git push --force-with-lease=master origin :master 2>err &&
 154                 grep deleted err
 155         ) &&
 156         git ls-remote src refs/heads/master >actual &&
 157         test_must_be_empty actual
 158 '
 159
 160 test_expect_success 'cover everything with default force-with-lease (protected)' '
 161         setup_srcdst_basic &&
 162         (
 163                 cd src &&
 164                 git branch naster master^
 165         ) &&
 166         git ls-remote src refs/heads/\* >expect &&
 167         (
 168                 cd dst &&
 169                 test_must_fail git push --force-with-lease origin master master:naster
 170         ) &&
 171         git ls-remote src refs/heads/\* >actual &&
 172         test_cmp expect actual
 173 '
 174
 175 test_expect_success 'cover everything with default force-with-lease (allowed)' '
 176         setup_srcdst_basic &&
 177         (
 178                 cd src &&
 179                 git branch naster master^
 180         ) &&
 181         (
 182                 cd dst &&
 183                 git fetch &&
 184                 git push --force-with-lease origin master master:naster
 185         ) &&
 186         git ls-remote dst refs/heads/master |
 187         sed -e "s/master/naster/" >expect &&
 188         git ls-remote src refs/heads/naster >actual &&
 189         test_cmp expect actual
 190 '
 191
 192 test_expect_success 'new branch covered by force-with-lease' '
 193         setup_srcdst_basic &&
 194         (
 195                 cd dst &&
 196                 git branch branch master &&
 197                 git push --force-with-lease=branch origin branch
 198         ) &&
 199         git ls-remote dst refs/heads/branch >expect &&
 200         git ls-remote src refs/heads/branch >actual &&
 201         test_cmp expect actual
 202 '
 203
 204 test_expect_success 'new branch covered by force-with-lease (explicit)' '
 205         setup_srcdst_basic &&
 206         (
 207                 cd dst &&
 208                 git branch branch master &&
 209                 git push --force-with-lease=branch: origin branch
 210         ) &&
 211         git ls-remote dst refs/heads/branch >expect &&
 212         git ls-remote src refs/heads/branch >actual &&
 213         test_cmp expect actual
 214 '
 215
 216 test_expect_success 'new branch already exists' '
 217         setup_srcdst_basic &&
 218         (
 219                 cd src &&
 220                 git checkout -b branch master &&
 221                 test_commit F
 222         ) &&
 223         (
 224                 cd dst &&
 225                 git branch branch master &&
 226                 test_must_fail git push --force-with-lease=branch: origin branch
 227         )
 228 '
 229
 230 test_expect_success 'background updates of REMOTE can be mitigated with a non-updated REMOTE-push' '
 231         rm -rf src dst &&
 232         git init --bare src.bare &&
 233         test_when_finished "rm -rf src.bare" &&
 234         git clone --no-local src.bare dst &&
 235         test_when_finished "rm -rf dst" &&
 236         (
 237                 cd dst &&
 238                 test_commit G &&
 239                 git remote add origin-push ../src.bare &&
 240                 git push origin-push master:master
 241         ) &&
 242         git clone --no-local src.bare dst2 &&
 243         test_when_finished "rm -rf dst2" &&
 244         (
 245                 cd dst2 &&
 246                 test_commit H &&
 247                 git push
 248         ) &&
 249         (
 250                 cd dst &&
 251                 test_commit I &&
 252                 git fetch origin &&
 253                 test_must_fail git push --force-with-lease origin-push &&
 254                 git fetch origin-push &&
 255                 git push --force-with-lease origin-push
 256         )
 257 '
 258
 259 test_done