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
  33 '
  34
  35 test_expect_success 'existing loose ref is a simple prefix of new' '
  36
  37         prefix=refs/1l &&
  38         test_update_rejected $prefix "a c e" false "b c/x d" \
  39                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"
  40
  41 '
  42
  43 test_expect_success 'existing packed ref is a simple prefix of new' '
  44
  45         prefix=refs/1p &&
  46         test_update_rejected $prefix "a c e" true "b c/x d" \
  47                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"
  48
  49 '
  50
  51 test_expect_success 'existing loose ref is a deeper prefix of new' '
  52
  53         prefix=refs/2l &&
  54         test_update_rejected $prefix "a c e" false "b c/x/y d" \
  55                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"
  56
  57 '
  58
  59 test_expect_success 'existing packed ref is a deeper prefix of new' '
  60
  61         prefix=refs/2p &&
  62         test_update_rejected $prefix "a c e" true "b c/x/y d" \
  63                 "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"
  64
  65 '
  66
  67 test_expect_success 'new ref is a simple prefix of existing loose' '
  68
  69         prefix=refs/3l &&
  70         test_update_rejected $prefix "a c/x e" false "b c d" \
  71                 "$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"
  72
  73 '
  74
  75 test_expect_success 'new ref is a simple prefix of existing packed' '
  76
  77         prefix=refs/3p &&
  78         test_update_rejected $prefix "a c/x e" true "b c d" \
  79                 "$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"
  80
  81 '
  82
  83 test_expect_success 'new ref is a deeper prefix of existing loose' '
  84
  85         prefix=refs/4l &&
  86         test_update_rejected $prefix "a c/x/y e" false "b c d" \
  87                 "$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"
  88
  89 '
  90
  91 test_expect_success 'new ref is a deeper prefix of existing packed' '
  92
  93         prefix=refs/4p &&
  94         test_update_rejected $prefix "a c/x/y e" true "b c d" \
  95                 "$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"
  96
  97 '
  98
  99 test_expect_success 'one new ref is a simple prefix of another' '
 100
 101         prefix=refs/5 &&
 102         test_update_rejected $prefix "a e" false "b c c/x d" \
 103                 "cannot process $Q$prefix/c$Q and $Q$prefix/c/x$Q at the same time"
 104
 105 '
 106
 107 test_done