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-lib.sh
   9
  10 test_expect_success setup '
  11         mkdir -p .git/hooks &&
  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         test_when_finished "rm .git/hooks/reference-transaction" &&
  20         git reset --hard PRE &&
  21         write_script .git/hooks/reference-transaction <<-\EOF &&
  22                 echo "$*" >>actual
  23         EOF
  24         cat >expect <<-EOF &&
  25                 prepared
  26                 committed
  27         EOF
  28         git update-ref HEAD POST &&
  29         test_cmp expect actual
  30 '
  31
  32 test_expect_success 'hook aborts updating ref in prepared state' '
  33         test_when_finished "rm .git/hooks/reference-transaction" &&
  34         git reset --hard PRE &&
  35         write_script .git/hooks/reference-transaction <<-\EOF &&
  36                 if test "$1" = prepared
  37                 then
  38                         exit 1
  39                 fi
  40         EOF
  41         test_must_fail git update-ref HEAD POST 2>err &&
  42         test_i18ngrep "ref updates aborted by hook" err
  43 '
  44
  45 test_expect_success 'hook gets all queued updates in prepared state' '
  46         test_when_finished "rm .git/hooks/reference-transaction actual" &&
  47         git reset --hard PRE &&
  48         write_script .git/hooks/reference-transaction <<-\EOF &&
  49                 if test "$1" = prepared
  50                 then
  51                         while read -r line
  52                         do
  53                                 printf "%s\n" "$line"
  54                         done >actual
  55                 fi
  56         EOF
  57         cat >expect <<-EOF &&
  58                 $ZERO_OID $POST_OID HEAD
  59                 $ZERO_OID $POST_OID refs/heads/main
  60         EOF
  61         git update-ref HEAD POST <<-EOF &&
  62                 update HEAD $ZERO_OID $POST_OID
  63                 update refs/heads/main $ZERO_OID $POST_OID
  64         EOF
  65         test_cmp expect actual
  66 '
  67
  68 test_expect_success 'hook gets all queued updates in committed state' '
  69         test_when_finished "rm .git/hooks/reference-transaction actual" &&
  70         git reset --hard PRE &&
  71         write_script .git/hooks/reference-transaction <<-\EOF &&
  72                 if test "$1" = committed
  73                 then
  74                         while read -r line
  75                         do
  76                                 printf "%s\n" "$line"
  77                         done >actual
  78                 fi
  79         EOF
  80         cat >expect <<-EOF &&
  81                 $ZERO_OID $POST_OID HEAD
  82                 $ZERO_OID $POST_OID refs/heads/main
  83         EOF
  84         git update-ref HEAD POST &&
  85         test_cmp expect actual
  86 '
  87
  88 test_expect_success 'hook gets all queued updates in aborted state' '
  89         test_when_finished "rm .git/hooks/reference-transaction actual" &&
  90         git reset --hard PRE &&
  91         write_script .git/hooks/reference-transaction <<-\EOF &&
  92                 if test "$1" = aborted
  93                 then
  94                         while read -r line
  95                         do
  96                                 printf "%s\n" "$line"
  97                         done >actual
  98                 fi
  99         EOF
 100         cat >expect <<-EOF &&
 101                 $ZERO_OID $POST_OID HEAD
 102                 $ZERO_OID $POST_OID refs/heads/main
 103         EOF
 104         git update-ref --stdin <<-EOF &&
 105                 start
 106                 update HEAD POST $ZERO_OID
 107                 update refs/heads/main POST $ZERO_OID
 108                 abort
 109         EOF
 110         test_cmp expect actual
 111 '
 112
 113 test_expect_success 'interleaving hook calls succeed' '
 114         test_when_finished "rm -r target-repo.git" &&
 115
 116         git init --bare target-repo.git &&
 117
 118         write_script target-repo.git/hooks/reference-transaction <<-\EOF &&
 119                 echo $0 "$@" >>actual
 120         EOF
 121
 122         write_script target-repo.git/hooks/update <<-\EOF &&
 123                 echo $0 "$@" >>actual
 124         EOF
 125
 126         cat >expect <<-EOF &&
 127                 hooks/update refs/tags/PRE $ZERO_OID $PRE_OID
 128                 hooks/reference-transaction prepared
 129                 hooks/reference-transaction committed
 130                 hooks/update refs/tags/POST $ZERO_OID $POST_OID
 131                 hooks/reference-transaction prepared
 132                 hooks/reference-transaction committed
 133         EOF
 134
 135         git push ./target-repo.git PRE POST &&
 136         test_cmp expect target-repo.git/actual
 137 '
 138
 139 test_done