| 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 | test_commit PRE && |
| 12 | PRE_OID=$(git rev-parse PRE) && |
| 13 | test_commit POST && |
| 14 | POST_OID=$(git rev-parse POST) |
| 15 | ' |
| 16 | |
| 17 | test_expect_success 'hook allows updating ref if successful' ' |
| 18 | git reset --hard PRE && |
| 19 | test_hook reference-transaction <<-\EOF && |
| 20 | echo "$*" >>actual |
| 21 | EOF |
| 22 | cat >expect <<-EOF && |
| 23 | preparing |
| 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 preparing state' ' |
| 32 | git reset --hard PRE && |
| 33 | test_hook reference-transaction <<-\EOF && |
| 34 | if test "$1" = preparing |
| 35 | then |
| 36 | exit 1 |
| 37 | fi |
| 38 | EOF |
| 39 | test_must_fail git update-ref HEAD POST 2>err && |
| 40 | test_grep "in '\''preparing'\'' phase, update aborted by the reference-transaction hook" err |
| 41 | ' |
| 42 | |
| 43 | test_expect_success 'hook aborts updating ref in prepared state' ' |
| 44 | git reset --hard PRE && |
| 45 | test_hook reference-transaction <<-\EOF && |
| 46 | if test "$1" = prepared |
| 47 | then |
| 48 | exit 1 |
| 49 | fi |
| 50 | EOF |
| 51 | test_must_fail git update-ref HEAD POST 2>err && |
| 52 | test_grep "in '\''prepared'\'' phase, update aborted by the reference-transaction hook" err |
| 53 | ' |
| 54 | |
| 55 | test_expect_success 'hook gets all queued updates in prepared state' ' |
| 56 | test_when_finished "rm actual" && |
| 57 | git reset --hard PRE && |
| 58 | test_hook reference-transaction <<-\EOF && |
| 59 | if test "$1" = prepared |
| 60 | then |
| 61 | while read -r line |
| 62 | do |
| 63 | printf "%s\n" "$line" |
| 64 | done >actual |
| 65 | fi |
| 66 | EOF |
| 67 | cat >expect <<-EOF && |
| 68 | $ZERO_OID $POST_OID refs/heads/main |
| 69 | EOF |
| 70 | git update-ref HEAD POST <<-EOF && |
| 71 | update HEAD $ZERO_OID $POST_OID |
| 72 | update refs/heads/main $ZERO_OID $POST_OID |
| 73 | EOF |
| 74 | test_cmp expect actual |
| 75 | ' |
| 76 | |
| 77 | test_expect_success 'hook gets all queued updates in committed state' ' |
| 78 | test_when_finished "rm actual" && |
| 79 | git reset --hard PRE && |
| 80 | test_hook reference-transaction <<-\EOF && |
| 81 | if test "$1" = committed |
| 82 | then |
| 83 | while read -r line |
| 84 | do |
| 85 | printf "%s\n" "$line" |
| 86 | done >actual |
| 87 | fi |
| 88 | EOF |
| 89 | cat >expect <<-EOF && |
| 90 | $ZERO_OID $POST_OID refs/heads/main |
| 91 | EOF |
| 92 | git update-ref HEAD POST && |
| 93 | test_cmp expect actual |
| 94 | ' |
| 95 | |
| 96 | test_expect_success 'hook gets all queued updates in aborted state' ' |
| 97 | test_when_finished "rm actual" && |
| 98 | git reset --hard PRE && |
| 99 | test_hook reference-transaction <<-\EOF && |
| 100 | if test "$1" = aborted |
| 101 | then |
| 102 | while read -r line |
| 103 | do |
| 104 | printf "%s\n" "$line" |
| 105 | done >actual |
| 106 | fi |
| 107 | EOF |
| 108 | cat >expect <<-EOF && |
| 109 | $ZERO_OID $POST_OID HEAD |
| 110 | $ZERO_OID $POST_OID refs/heads/main |
| 111 | EOF |
| 112 | git update-ref --stdin <<-EOF && |
| 113 | start |
| 114 | update HEAD POST $ZERO_OID |
| 115 | update refs/heads/main POST $ZERO_OID |
| 116 | abort |
| 117 | EOF |
| 118 | test_cmp expect actual |
| 119 | ' |
| 120 | |
| 121 | test_expect_success 'interleaving hook calls succeed' ' |
| 122 | test_when_finished "rm -r target-repo.git" && |
| 123 | |
| 124 | git init --bare target-repo.git && |
| 125 | |
| 126 | test_hook -C target-repo.git reference-transaction <<-\EOF && |
| 127 | echo $0 "$@" >>actual |
| 128 | EOF |
| 129 | |
| 130 | test_hook -C target-repo.git update <<-\EOF && |
| 131 | echo $0 "$@" >>actual |
| 132 | EOF |
| 133 | |
| 134 | cat >expect <<-EOF && |
| 135 | hooks/update refs/tags/PRE $ZERO_OID $PRE_OID |
| 136 | hooks/update refs/tags/POST $ZERO_OID $POST_OID |
| 137 | hooks/reference-transaction preparing |
| 138 | hooks/reference-transaction prepared |
| 139 | hooks/reference-transaction committed |
| 140 | EOF |
| 141 | |
| 142 | git push ./target-repo.git PRE POST && |
| 143 | test_cmp expect target-repo.git/actual |
| 144 | ' |
| 145 | |
| 146 | test_expect_success 'hook captures git-symbolic-ref updates' ' |
| 147 | test_when_finished "rm actual" && |
| 148 | |
| 149 | test_hook reference-transaction <<-\EOF && |
| 150 | echo "$*" >>actual |
| 151 | while read -r line |
| 152 | do |
| 153 | printf "%s\n" "$line" |
| 154 | done >>actual |
| 155 | EOF |
| 156 | |
| 157 | git symbolic-ref refs/heads/symref refs/heads/main && |
| 158 | |
| 159 | cat >expect <<-EOF && |
| 160 | preparing |
| 161 | $ZERO_OID ref:refs/heads/main refs/heads/symref |
| 162 | prepared |
| 163 | $ZERO_OID ref:refs/heads/main refs/heads/symref |
| 164 | committed |
| 165 | $ZERO_OID ref:refs/heads/main refs/heads/symref |
| 166 | EOF |
| 167 | |
| 168 | test_cmp expect actual |
| 169 | ' |
| 170 | |
| 171 | test_expect_success 'hook gets all queued symref updates' ' |
| 172 | test_when_finished "rm actual" && |
| 173 | |
| 174 | git update-ref refs/heads/branch $POST_OID && |
| 175 | git symbolic-ref refs/heads/symref refs/heads/main && |
| 176 | git symbolic-ref refs/heads/symrefd refs/heads/main && |
| 177 | git symbolic-ref refs/heads/symrefu refs/heads/main && |
| 178 | |
| 179 | test_hook reference-transaction <<-\EOF && |
| 180 | echo "$*" >>actual |
| 181 | while read -r line |
| 182 | do |
| 183 | printf "%s\n" "$line" |
| 184 | done >>actual |
| 185 | EOF |
| 186 | |
| 187 | # In the files backend, "delete" also triggers an additional transaction |
| 188 | # update on the packed-refs backend, which constitutes additional reflog |
| 189 | # entries. |
| 190 | cat >expect <<-EOF && |
| 191 | preparing |
| 192 | ref:refs/heads/main $ZERO_OID refs/heads/symref |
| 193 | ref:refs/heads/main $ZERO_OID refs/heads/symrefd |
| 194 | $ZERO_OID ref:refs/heads/main refs/heads/symrefc |
| 195 | ref:refs/heads/main ref:refs/heads/branch refs/heads/symrefu |
| 196 | EOF |
| 197 | |
| 198 | if test_have_prereq REFFILES |
| 199 | then |
| 200 | cat >>expect <<-EOF |
| 201 | aborted |
| 202 | $ZERO_OID $ZERO_OID refs/heads/symrefd |
| 203 | EOF |
| 204 | fi && |
| 205 | |
| 206 | cat >>expect <<-EOF && |
| 207 | prepared |
| 208 | ref:refs/heads/main $ZERO_OID refs/heads/symref |
| 209 | ref:refs/heads/main $ZERO_OID refs/heads/symrefd |
| 210 | $ZERO_OID ref:refs/heads/main refs/heads/symrefc |
| 211 | ref:refs/heads/main ref:refs/heads/branch refs/heads/symrefu |
| 212 | committed |
| 213 | ref:refs/heads/main $ZERO_OID refs/heads/symref |
| 214 | ref:refs/heads/main $ZERO_OID refs/heads/symrefd |
| 215 | $ZERO_OID ref:refs/heads/main refs/heads/symrefc |
| 216 | ref:refs/heads/main ref:refs/heads/branch refs/heads/symrefu |
| 217 | EOF |
| 218 | |
| 219 | git update-ref --no-deref --stdin <<-EOF && |
| 220 | start |
| 221 | symref-verify refs/heads/symref refs/heads/main |
| 222 | symref-delete refs/heads/symrefd refs/heads/main |
| 223 | symref-create refs/heads/symrefc refs/heads/main |
| 224 | symref-update refs/heads/symrefu refs/heads/branch ref refs/heads/main |
| 225 | prepare |
| 226 | commit |
| 227 | EOF |
| 228 | test_cmp expect actual |
| 229 | ' |
| 230 | |
| 231 | test_done |