t/t1416-ref-transaction-hooks.sh

   1 #!/bin/sh
   2
   3 test_description='reference transaction hooks'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 TEST_PASSES_SANITIZE_LEAK=true
   9 . ./test-lib.sh
  10
  11 test_expect_success setup '
  12         test_commit PRE &&
  13         PRE_OID=$(git rev-parse PRE) &&
  14         test_commit POST &&
  15         POST_OID=$(git rev-parse POST)
  16 '
  17
  18 test_expect_success 'hook allows updating ref if successful' '
  19         git reset --hard PRE &&
  20         test_hook reference-transaction <<-\EOF &&
  21                 echo "$*" >>actual
  22         EOF
  23         cat >expect <<-EOF &&
  24                 prepared
  25                 committed
  26         EOF
  27         git update-ref HEAD POST &&
  28         test_cmp expect actual
  29 '
  30
  31 test_expect_success 'hook aborts updating ref in prepared state' '
  32         git reset --hard PRE &&
  33         test_hook reference-transaction <<-\EOF &&
  34                 if test "$1" = prepared
  35                 then
  36                         exit 1
  37                 fi
  38         EOF
  39         test_must_fail git update-ref HEAD POST 2>err &&
  40         test_grep "ref updates aborted by hook" err
  41 '
  42
  43 test_expect_success 'hook gets all queued updates in prepared state' '
  44         test_when_finished "rm actual" &&
  45         git reset --hard PRE &&
  46         test_hook reference-transaction <<-\EOF &&
  47                 if test "$1" = prepared
  48                 then
  49                         while read -r line
  50                         do
  51                                 printf "%s\n" "$line"
  52                         done >actual
  53                 fi
  54         EOF
  55         cat >expect <<-EOF &&
  56                 $ZERO_OID $POST_OID HEAD
  57                 $ZERO_OID $POST_OID refs/heads/main
  58         EOF
  59         git update-ref HEAD POST <<-EOF &&
  60                 update HEAD $ZERO_OID $POST_OID
  61                 update refs/heads/main $ZERO_OID $POST_OID
  62         EOF
  63         test_cmp expect actual
  64 '
  65
  66 test_expect_success 'hook gets all queued updates in committed state' '
  67         test_when_finished "rm actual" &&
  68         git reset --hard PRE &&
  69         test_hook reference-transaction <<-\EOF &&
  70                 if test "$1" = committed
  71                 then
  72                         while read -r line
  73                         do
  74                                 printf "%s\n" "$line"
  75                         done >actual
  76                 fi
  77         EOF
  78         cat >expect <<-EOF &&
  79                 $ZERO_OID $POST_OID HEAD
  80                 $ZERO_OID $POST_OID refs/heads/main
  81         EOF
  82         git update-ref HEAD POST &&
  83         test_cmp expect actual
  84 '
  85
  86 test_expect_success 'hook gets all queued updates in aborted state' '
  87         test_when_finished "rm actual" &&
  88         git reset --hard PRE &&
  89         test_hook reference-transaction <<-\EOF &&
  90                 if test "$1" = aborted
  91                 then
  92                         while read -r line
  93                         do
  94                                 printf "%s\n" "$line"
  95                         done >actual
  96                 fi
  97         EOF
  98         cat >expect <<-EOF &&
  99                 $ZERO_OID $POST_OID HEAD
 100                 $ZERO_OID $POST_OID refs/heads/main
 101         EOF
 102         git update-ref --stdin <<-EOF &&
 103                 start
 104                 update HEAD POST $ZERO_OID
 105                 update refs/heads/main POST $ZERO_OID
 106                 abort
 107         EOF
 108         test_cmp expect actual
 109 '
 110
 111 test_expect_success 'interleaving hook calls succeed' '
 112         test_when_finished "rm -r target-repo.git" &&
 113
 114         git init --bare target-repo.git &&
 115
 116         test_hook -C target-repo.git reference-transaction <<-\EOF &&
 117                 echo $0 "$@" >>actual
 118         EOF
 119
 120         test_hook -C target-repo.git update <<-\EOF &&
 121                 echo $0 "$@" >>actual
 122         EOF
 123
 124         cat >expect <<-EOF &&
 125                 hooks/update refs/tags/PRE $ZERO_OID $PRE_OID
 126                 hooks/reference-transaction prepared
 127                 hooks/reference-transaction committed
 128                 hooks/update refs/tags/POST $ZERO_OID $POST_OID
 129                 hooks/reference-transaction prepared
 130                 hooks/reference-transaction committed
 131         EOF
 132
 133         git push ./target-repo.git PRE POST &&
 134         test_cmp expect target-repo.git/actual
 135 '
 136
 137 test_expect_success 'hook captures git-symbolic-ref updates' '
 138         test_when_finished "rm actual" &&
 139
 140         test_hook reference-transaction <<-\EOF &&
 141                 echo "$*" >>actual
 142                 while read -r line
 143                 do
 144                         printf "%s\n" "$line"
 145                 done >>actual
 146         EOF
 147
 148         git symbolic-ref refs/heads/symref refs/heads/main &&
 149
 150         cat >expect <<-EOF &&
 151         prepared
 152         $ZERO_OID ref:refs/heads/main refs/heads/symref
 153         committed
 154         $ZERO_OID ref:refs/heads/main refs/heads/symref
 155         EOF
 156
 157         test_cmp expect actual
 158 '
 159
 160 test_expect_success 'hook gets all queued symref updates' '
 161         test_when_finished "rm actual" &&
 162
 163         git update-ref refs/heads/branch $POST_OID &&
 164         git symbolic-ref refs/heads/symref refs/heads/main &&
 165         git symbolic-ref refs/heads/symrefd refs/heads/main &&
 166         git symbolic-ref refs/heads/symrefu refs/heads/main &&
 167
 168         test_hook reference-transaction <<-\EOF &&
 169         echo "$*" >>actual
 170         while read -r line
 171         do
 172                 printf "%s\n" "$line"
 173         done >>actual
 174         EOF
 175
 176         # In the files backend, "delete" also triggers an additional transaction
 177         # update on the packed-refs backend, which constitutes additional reflog
 178         # entries.
 179         if test_have_prereq REFFILES
 180         then
 181                 cat >expect <<-EOF
 182                 aborted
 183                 $ZERO_OID $ZERO_OID refs/heads/symrefd
 184                 EOF
 185         else
 186                 >expect
 187         fi &&
 188
 189         cat >>expect <<-EOF &&
 190         prepared
 191         ref:refs/heads/main $ZERO_OID refs/heads/symref
 192         ref:refs/heads/main $ZERO_OID refs/heads/symrefd
 193         $ZERO_OID ref:refs/heads/main refs/heads/symrefc
 194         ref:refs/heads/main ref:refs/heads/branch refs/heads/symrefu
 195         committed
 196         ref:refs/heads/main $ZERO_OID refs/heads/symref
 197         ref:refs/heads/main $ZERO_OID refs/heads/symrefd
 198         $ZERO_OID ref:refs/heads/main refs/heads/symrefc
 199         ref:refs/heads/main ref:refs/heads/branch refs/heads/symrefu
 200         EOF
 201
 202         git update-ref --no-deref --stdin <<-EOF &&
 203         start
 204         symref-verify refs/heads/symref refs/heads/main
 205         symref-delete refs/heads/symrefd refs/heads/main
 206         symref-create refs/heads/symrefc refs/heads/main
 207         symref-update refs/heads/symrefu refs/heads/branch ref refs/heads/main
 208         prepare
 209         commit
 210         EOF
 211         test_cmp expect actual
 212 '
 213
 214 test_done