t/t5543-atomic-push.sh

   1 #!/bin/sh
   2
   3 test_description='pushing to a repository using the atomic push option'
   4
   5 . ./test-lib.sh
   6
   7 mk_repo_pair () {
   8         rm -rf workbench upstream &&
   9         test_create_repo upstream &&
  10         test_create_repo workbench &&
  11         (
  12                 cd upstream &&
  13                 git config receive.denyCurrentBranch warn
  14         ) &&
  15         (
  16                 cd workbench &&
  17                 git remote add up ../upstream
  18         )
  19 }
  20
  21 # Compare the ref ($1) in upstream with a ref value from workbench ($2)
  22 # i.e. test_refs second HEAD@{2}
  23 test_refs () {
  24         test $# = 2 &&
  25         git -C upstream rev-parse --verify "$1" >expect &&
  26         git -C workbench rev-parse --verify "$2" >actual &&
  27         test_cmp expect actual
  28 }
  29
  30 test_expect_success 'atomic push works for a single branch' '
  31         mk_repo_pair &&
  32         (
  33                 cd workbench &&
  34                 test_commit one &&
  35                 git push --mirror up &&
  36                 test_commit two &&
  37                 git push --atomic up master
  38         ) &&
  39         test_refs master master
  40 '
  41
  42 test_expect_success 'atomic push works for two branches' '
  43         mk_repo_pair &&
  44         (
  45                 cd workbench &&
  46                 test_commit one &&
  47                 git branch second &&
  48                 git push --mirror up &&
  49                 test_commit two &&
  50                 git checkout second &&
  51                 test_commit three &&
  52                 git push --atomic up master second
  53         ) &&
  54         test_refs master master &&
  55         test_refs second second
  56 '
  57
  58 test_expect_success 'atomic push works in combination with --mirror' '
  59         mk_repo_pair &&
  60         (
  61                 cd workbench &&
  62                 test_commit one &&
  63                 git checkout -b second &&
  64                 test_commit two &&
  65                 git push --atomic --mirror up
  66         ) &&
  67         test_refs master master &&
  68         test_refs second second
  69 '
  70
  71 test_expect_success 'atomic push works in combination with --force' '
  72         mk_repo_pair &&
  73         (
  74                 cd workbench &&
  75                 test_commit one &&
  76                 git branch second master &&
  77                 test_commit two_a &&
  78                 git checkout second &&
  79                 test_commit two_b &&
  80                 test_commit three_b &&
  81                 test_commit four &&
  82                 git push --mirror up &&
  83                 # The actual test is below
  84                 git checkout master &&
  85                 test_commit three_a &&
  86                 git checkout second &&
  87                 git reset --hard HEAD^ &&
  88                 git push --force --atomic up master second
  89         ) &&
  90         test_refs master master &&
  91         test_refs second second
  92 '
  93
  94 # set up two branches where master can be pushed but second can not
  95 # (non-fast-forward). Since second can not be pushed the whole operation
  96 # will fail and leave master untouched.
  97 test_expect_success 'atomic push fails if one branch fails' '
  98         mk_repo_pair &&
  99         (
 100                 cd workbench &&
 101                 test_commit one &&
 102                 git checkout -b second master &&
 103                 test_commit two &&
 104                 test_commit three &&
 105                 test_commit four &&
 106                 git push --mirror up &&
 107                 git reset --hard HEAD~2 &&
 108                 test_commit five &&
 109                 git checkout master &&
 110                 test_commit six &&
 111                 test_must_fail git push --atomic --all up
 112         ) &&
 113         test_refs master HEAD@{7} &&
 114         test_refs second HEAD@{4}
 115 '
 116
 117 test_expect_success 'atomic push fails if one tag fails remotely' '
 118         # prepare the repo
 119         mk_repo_pair &&
 120         (
 121                 cd workbench &&
 122                 test_commit one &&
 123                 git checkout -b second master &&
 124                 test_commit two &&
 125                 git push --mirror up
 126         ) &&
 127         # a third party modifies the server side:
 128         (
 129                 cd upstream &&
 130                 git checkout second &&
 131                 git tag test_tag second
 132         ) &&
 133         # see if we can now push both branches.
 134         (
 135                 cd workbench &&
 136                 git checkout master &&
 137                 test_commit three &&
 138                 git checkout second &&
 139                 test_commit four &&
 140                 git tag test_tag &&
 141                 test_must_fail git push --tags --atomic up master second
 142         ) &&
 143         test_refs master HEAD@{3} &&
 144         test_refs second HEAD@{1}
 145 '
 146
 147 test_expect_success 'atomic push obeys update hook preventing a branch to be pushed' '
 148         mk_repo_pair &&
 149         (
 150                 cd workbench &&
 151                 test_commit one &&
 152                 git checkout -b second master &&
 153                 test_commit two &&
 154                 git push --mirror up
 155         ) &&
 156         (
 157                 cd upstream &&
 158                 HOOKDIR="$(git rev-parse --git-dir)/hooks" &&
 159                 HOOK="$HOOKDIR/update" &&
 160                 mkdir -p "$HOOKDIR" &&
 161                 write_script "$HOOK" <<-\EOF
 162                         # only allow update to master from now on
 163                         test "$1" = "refs/heads/master"
 164                 EOF
 165         ) &&
 166         (
 167                 cd workbench &&
 168                 git checkout master &&
 169                 test_commit three &&
 170                 git checkout second &&
 171                 test_commit four &&
 172                 test_must_fail git push --atomic up master second
 173         ) &&
 174         test_refs master HEAD@{3} &&
 175         test_refs second HEAD@{1}
 176 '
 177
 178 test_expect_success 'atomic push is not advertised if configured' '
 179         mk_repo_pair &&
 180         (
 181                 cd upstream &&
 182                 git config receive.advertiseatomic 0
 183         ) &&
 184         (
 185                 cd workbench &&
 186                 test_commit one &&
 187                 git push --mirror up &&
 188                 test_commit two &&
 189                 test_must_fail git push --atomic up master
 190         ) &&
 191         test_refs master HEAD@{1}
 192 '
 193
 194 test_done