t/t1404-update-ref-df-conflicts.sh

   1 #!/bin/sh
   2
   3 test_description='Test git update-ref with D/F conflicts'
   4 . ./test-lib.sh
   5
   6 test_update_rejected () {
   7         prefix="$1" &&
   8         before="$2" &&
   9         pack="$3" &&
  10         create="$4" &&
  11         error="$5" &&
  12         printf "create $prefix/%s $C\n" $before |
  13         git update-ref --stdin &&
  14         git for-each-ref $prefix >unchanged &&
  15         if $pack
  16         then
  17                 git pack-refs --all
  18         fi &&
  19         printf "create $prefix/%s $C\n" $create >input &&
  20         test_must_fail git update-ref --stdin <input 2>output.err &&
  21         grep -F "$error" output.err &&
  22         git for-each-ref $prefix >actual &&
  23         test_cmp unchanged actual
  24 }
  25
  26 Q="'"
  27
  28 test_expect_success 'setup' '
  29
  30         git commit --allow-empty -m Initial &&
  31         C=$(git rev-parse HEAD) &&
  32         git commit --allow-empty -m Second &&
  33         D=$(git rev-parse HEAD)
  34
  35 '
  36
  37 test_expect_success 'existing loose ref is a simple prefix of new' '
  38
  39         prefix=refs/1l &&
  40         test_update_rejected $prefix "a c e" false "b c/x d" \
  41                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"
  42
  43 '
  44
  45 test_expect_success 'existing packed ref is a simple prefix of new' '
  46
  47         prefix=refs/1p &&
  48         test_update_rejected $prefix "a c e" true "b c/x d" \
  49                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"
  50
  51 '
  52
  53 test_expect_success 'existing loose ref is a deeper prefix of new' '
  54
  55         prefix=refs/2l &&
  56         test_update_rejected $prefix "a c e" false "b c/x/y d" \
  57                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"
  58
  59 '
  60
  61 test_expect_success 'existing packed ref is a deeper prefix of new' '
  62
  63         prefix=refs/2p &&
  64         test_update_rejected $prefix "a c e" true "b c/x/y d" \
  65                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"
  66
  67 '
  68
  69 test_expect_success 'new ref is a simple prefix of existing loose' '
  70
  71         prefix=refs/3l &&
  72         test_update_rejected $prefix "a c/x e" false "b c d" \
  73                 "$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"
  74
  75 '
  76
  77 test_expect_success 'new ref is a simple prefix of existing packed' '
  78
  79         prefix=refs/3p &&
  80         test_update_rejected $prefix "a c/x e" true "b c d" \
  81                 "$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"
  82
  83 '
  84
  85 test_expect_success 'new ref is a deeper prefix of existing loose' '
  86
  87         prefix=refs/4l &&
  88         test_update_rejected $prefix "a c/x/y e" false "b c d" \
  89                 "$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"
  90
  91 '
  92
  93 test_expect_success 'new ref is a deeper prefix of existing packed' '
  94
  95         prefix=refs/4p &&
  96         test_update_rejected $prefix "a c/x/y e" true "b c d" \
  97                 "$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"
  98
  99 '
 100
 101 test_expect_success 'one new ref is a simple prefix of another' '
 102
 103         prefix=refs/5 &&
 104         test_update_rejected $prefix "a e" false "b c c/x d" \
 105                 "cannot process $Q$prefix/c$Q and $Q$prefix/c/x$Q at the same time"
 106
 107 '
 108
 109 test_expect_success 'empty directory should not fool rev-parse' '
 110         prefix=refs/e-rev-parse &&
 111         git update-ref $prefix/foo $C &&
 112         git pack-refs --all &&
 113         mkdir -p .git/$prefix/foo/bar/baz &&
 114         echo "$C" >expected &&
 115         git rev-parse $prefix/foo >actual &&
 116         test_cmp expected actual
 117 '
 118
 119 test_expect_success 'empty directory should not fool for-each-ref' '
 120         prefix=refs/e-for-each-ref &&
 121         git update-ref $prefix/foo $C &&
 122         git for-each-ref $prefix >expected &&
 123         git pack-refs --all &&
 124         mkdir -p .git/$prefix/foo/bar/baz &&
 125         git for-each-ref $prefix >actual &&
 126         test_cmp expected actual
 127 '
 128
 129 test_expect_success 'empty directory should not fool create' '
 130         prefix=refs/e-create &&
 131         mkdir -p .git/$prefix/foo/bar/baz &&
 132         printf "create %s $C\n" $prefix/foo |
 133         git update-ref --stdin
 134 '
 135
 136 test_expect_success 'empty directory should not fool verify' '
 137         prefix=refs/e-verify &&
 138         git update-ref $prefix/foo $C &&
 139         git pack-refs --all &&
 140         mkdir -p .git/$prefix/foo/bar/baz &&
 141         printf "verify %s $C\n" $prefix/foo |
 142         git update-ref --stdin
 143 '
 144
 145 test_expect_success 'empty directory should not fool 1-arg update' '
 146         prefix=refs/e-update-1 &&
 147         git update-ref $prefix/foo $C &&
 148         git pack-refs --all &&
 149         mkdir -p .git/$prefix/foo/bar/baz &&
 150         printf "update %s $D\n" $prefix/foo |
 151         git update-ref --stdin
 152 '
 153
 154 test_expect_success 'empty directory should not fool 2-arg update' '
 155         prefix=refs/e-update-2 &&
 156         git update-ref $prefix/foo $C &&
 157         git pack-refs --all &&
 158         mkdir -p .git/$prefix/foo/bar/baz &&
 159         printf "update %s $D $C\n" $prefix/foo |
 160         git update-ref --stdin
 161 '
 162
 163 test_expect_success 'empty directory should not fool 0-arg delete' '
 164         prefix=refs/e-delete-0 &&
 165         git update-ref $prefix/foo $C &&
 166         git pack-refs --all &&
 167         mkdir -p .git/$prefix/foo/bar/baz &&
 168         printf "delete %s\n" $prefix/foo |
 169         git update-ref --stdin
 170 '
 171
 172 test_expect_success 'empty directory should not fool 1-arg delete' '
 173         prefix=refs/e-delete-1 &&
 174         git update-ref $prefix/foo $C &&
 175         git pack-refs --all &&
 176         mkdir -p .git/$prefix/foo/bar/baz &&
 177         printf "delete %s $C\n" $prefix/foo |
 178         git update-ref --stdin
 179 '
 180
 181 test_done