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         >expect &&
 146         git ls-remote src refs/heads/master >actual &&
 147         test_cmp expect actual
 148 '
 149
 150 test_expect_success 'push to delete (allowed)' '
 151         setup_srcdst_basic &&
 152         (
 153                 cd dst &&
 154                 git push --force-with-lease=master origin :master 2>err &&
 155                 grep deleted err
 156         ) &&
 157         >expect &&
 158         git ls-remote src refs/heads/master >actual &&
 159         test_cmp expect actual
 160 '
 161
 162 test_expect_success 'cover everything with default force-with-lease (protected)' '
 163         setup_srcdst_basic &&
 164         (
 165                 cd src &&
 166                 git branch naster master^
 167         ) &&
 168         git ls-remote src refs/heads/\* >expect &&
 169         (
 170                 cd dst &&
 171                 test_must_fail git push --force-with-lease origin master master:naster
 172         ) &&
 173         git ls-remote src refs/heads/\* >actual &&
 174         test_cmp expect actual
 175 '
 176
 177 test_expect_success 'cover everything with default force-with-lease (allowed)' '
 178         setup_srcdst_basic &&
 179         (
 180                 cd src &&
 181                 git branch naster master^
 182         ) &&
 183         (
 184                 cd dst &&
 185                 git fetch &&
 186                 git push --force-with-lease origin master master:naster
 187         ) &&
 188         git ls-remote dst refs/heads/master |
 189         sed -e "s/master/naster/" >expect &&
 190         git ls-remote src refs/heads/naster >actual &&
 191         test_cmp expect actual
 192 '
 193
 194 test_expect_success 'new branch covered by force-with-lease' '
 195         setup_srcdst_basic &&
 196         (
 197                 cd dst &&
 198                 git branch branch master &&
 199                 git push --force-with-lease=branch origin branch
 200         ) &&
 201         git ls-remote dst refs/heads/branch >expect &&
 202         git ls-remote src refs/heads/branch >actual &&
 203         test_cmp expect actual
 204 '
 205
 206 test_expect_success 'new branch covered by force-with-lease (explicit)' '
 207         setup_srcdst_basic &&
 208         (
 209                 cd dst &&
 210                 git branch branch master &&
 211                 git push --force-with-lease=branch: origin branch
 212         ) &&
 213         git ls-remote dst refs/heads/branch >expect &&
 214         git ls-remote src refs/heads/branch >actual &&
 215         test_cmp expect actual
 216 '
 217
 218 test_expect_success 'new branch already exists' '
 219         setup_srcdst_basic &&
 220         (
 221                 cd src &&
 222                 git checkout -b branch master &&
 223                 test_commit F
 224         ) &&
 225         (
 226                 cd dst &&
 227                 git branch branch master &&
 228                 test_must_fail git push --force-with-lease=branch: origin branch
 229         )
 230 '
 231
 232 test_expect_success 'background updates of REMOTE can be mitigated with a non-updated REMOTE-push' '
 233         rm -rf src dst &&
 234         git init --bare src.bare &&
 235         test_when_finished "rm -rf src.bare" &&
 236         git clone --no-local src.bare dst &&
 237         test_when_finished "rm -rf dst" &&
 238         (
 239                 cd dst &&
 240                 test_commit G &&
 241                 git remote add origin-push ../src.bare &&
 242                 git push origin-push master:master
 243         ) &&
 244         git clone --no-local src.bare dst2 &&
 245         test_when_finished "rm -rf dst2" &&
 246         (
 247                 cd dst2 &&
 248                 test_commit H &&
 249                 git push
 250         ) &&
 251         (
 252                 cd dst &&
 253                 test_commit I &&
 254                 git fetch origin &&
 255                 test_must_fail git push --force-with-lease origin-push &&
 256                 git fetch origin-push &&
 257                 git push --force-with-lease origin-push
 258         )
 259 '
 260
 261 test_done