| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='git refs update' |
| 4 | |
| 5 | . ./test-lib.sh |
| 6 | |
| 7 | setup_repo () { |
| 8 | git init "$1" && |
| 9 | test_commit -C "$1" A && |
| 10 | test_commit -C "$1" B |
| 11 | } |
| 12 | |
| 13 | test_ref_matches () { |
| 14 | git rev-parse "$1" >expect && |
| 15 | echo "$2" >actual && |
| 16 | test_cmp expect actual |
| 17 | } |
| 18 | |
| 19 | test_expect_success 'update creates a new reference' ' |
| 20 | test_when_finished "rm -rf repo" && |
| 21 | setup_repo repo && |
| 22 | ( |
| 23 | cd repo && |
| 24 | A=$(git rev-parse A) && |
| 25 | git refs update refs/heads/foo $A && |
| 26 | test_ref_matches refs/heads/foo "$A" |
| 27 | ) |
| 28 | ' |
| 29 | |
| 30 | test_expect_success 'update an existing reference without oldvalue' ' |
| 31 | test_when_finished "rm -rf repo" && |
| 32 | setup_repo repo && |
| 33 | ( |
| 34 | cd repo && |
| 35 | A=$(git rev-parse A) && |
| 36 | B=$(git rev-parse B) && |
| 37 | git refs update refs/heads/foo $A && |
| 38 | git refs update refs/heads/foo $B && |
| 39 | test_ref_matches refs/heads/foo $B |
| 40 | ) |
| 41 | ' |
| 42 | |
| 43 | test_expect_success 'update with matching oldvalue' ' |
| 44 | test_when_finished "rm -rf repo" && |
| 45 | setup_repo repo && |
| 46 | ( |
| 47 | cd repo && |
| 48 | A=$(git rev-parse A) && |
| 49 | B=$(git rev-parse B) && |
| 50 | git refs update refs/heads/foo $A && |
| 51 | git refs update refs/heads/foo $B $A && |
| 52 | test_ref_matches refs/heads/foo $B |
| 53 | ) |
| 54 | ' |
| 55 | |
| 56 | test_expect_success 'update with stale oldvalue fails' ' |
| 57 | test_when_finished "rm -rf repo" && |
| 58 | setup_repo repo && |
| 59 | ( |
| 60 | cd repo && |
| 61 | A=$(git rev-parse A) && |
| 62 | B=$(git rev-parse B) && |
| 63 | git refs update refs/heads/foo $A && |
| 64 | test_must_fail git refs update refs/heads/foo $B $B 2>err && |
| 65 | test_grep " but expected " err && |
| 66 | test_ref_matches refs/heads/foo $A |
| 67 | ) |
| 68 | ' |
| 69 | |
| 70 | test_expect_success 'update can create a new branch with oldvalue' ' |
| 71 | test_when_finished "rm -rf repo" && |
| 72 | setup_repo repo && |
| 73 | ( |
| 74 | cd repo && |
| 75 | A=$(git rev-parse A) && |
| 76 | git refs update refs/heads/foo $A $ZERO_OID 2>err && |
| 77 | test_ref_matches refs/heads/foo $A |
| 78 | ) |
| 79 | ' |
| 80 | |
| 81 | test_expect_success 'update can create a new branch without oldvalue' ' |
| 82 | test_when_finished "rm -rf repo" && |
| 83 | setup_repo repo && |
| 84 | ( |
| 85 | cd repo && |
| 86 | A=$(git rev-parse A) && |
| 87 | git refs update refs/heads/foo $A 2>err && |
| 88 | test_ref_matches refs/heads/foo $A |
| 89 | ) |
| 90 | ' |
| 91 | |
| 92 | test_expect_success 'update refuses to create preexisting branch' ' |
| 93 | test_when_finished "rm -rf repo" && |
| 94 | setup_repo repo && |
| 95 | ( |
| 96 | cd repo && |
| 97 | A=$(git rev-parse A) && |
| 98 | B=$(git rev-parse B) && |
| 99 | git refs update refs/heads/foo $A && |
| 100 | test_must_fail git refs update refs/heads/foo $B $ZERO_OID 2>err && |
| 101 | test_grep "reference already exists" err && |
| 102 | test_ref_matches refs/heads/foo $A |
| 103 | ) |
| 104 | ' |
| 105 | |
| 106 | test_expect_success 'update can delete a branch with oldvalue' ' |
| 107 | test_when_finished "rm -rf repo" && |
| 108 | setup_repo repo && |
| 109 | ( |
| 110 | cd repo && |
| 111 | A=$(git rev-parse A) && |
| 112 | git refs update refs/heads/foo $A 2>err && |
| 113 | git refs update refs/heads/foo $ZERO_OID $A 2>err && |
| 114 | test_must_fail git refs exists refs/heads/foo |
| 115 | ) |
| 116 | ' |
| 117 | |
| 118 | test_expect_success 'update can delete a branch without oldvalue' ' |
| 119 | test_when_finished "rm -rf repo" && |
| 120 | setup_repo repo && |
| 121 | ( |
| 122 | cd repo && |
| 123 | A=$(git rev-parse A) && |
| 124 | git refs update refs/heads/foo $A 2>err && |
| 125 | git refs update refs/heads/foo $ZERO_OID 2>err && |
| 126 | test_must_fail git refs exists refs/heads/foo |
| 127 | ) |
| 128 | ' |
| 129 | |
| 130 | test_expect_success 'update refuses to delete a branch with mismatching value' ' |
| 131 | test_when_finished "rm -rf repo" && |
| 132 | setup_repo repo && |
| 133 | ( |
| 134 | cd repo && |
| 135 | A=$(git rev-parse A) && |
| 136 | B=$(git rev-parse B) && |
| 137 | git refs update refs/heads/foo $A 2>err && |
| 138 | test_must_fail git refs update refs/heads/foo $ZERO_OID $B 2>err && |
| 139 | test_grep " but expected " err && |
| 140 | git refs exists refs/heads/foo |
| 141 | ) |
| 142 | ' |
| 143 | |
| 144 | test_expect_success 'update refuses to create preexisting branch' ' |
| 145 | test_when_finished "rm -rf repo" && |
| 146 | setup_repo repo && |
| 147 | ( |
| 148 | cd repo && |
| 149 | A=$(git rev-parse A) && |
| 150 | B=$(git rev-parse B) && |
| 151 | git refs update refs/heads/foo $A && |
| 152 | test_must_fail git refs update refs/heads/foo $B $ZERO_OID 2>err && |
| 153 | test_grep "reference already exists" err && |
| 154 | test_ref_matches refs/heads/foo $A |
| 155 | ) |
| 156 | ' |
| 157 | |
| 158 | |
| 159 | test_expect_success 'update with invalid new value fails' ' |
| 160 | test_when_finished "rm -rf repo" && |
| 161 | setup_repo repo && |
| 162 | ( |
| 163 | cd repo && |
| 164 | test_must_fail git refs update refs/heads/foo invalid-oid 2>err && |
| 165 | test_grep "invalid new object ID" err && |
| 166 | test_must_fail git refs exists refs/heads/foo |
| 167 | ) |
| 168 | ' |
| 169 | |
| 170 | test_expect_success 'update with invalid old value fails' ' |
| 171 | test_when_finished "rm -rf repo" && |
| 172 | setup_repo repo && |
| 173 | ( |
| 174 | cd repo && |
| 175 | A=$(git rev-parse A) && |
| 176 | B=$(git rev-parse B) && |
| 177 | git refs update refs/heads/foo $A && |
| 178 | test_must_fail git refs update refs/heads/foo $B invalid-oid 2>err && |
| 179 | test_grep "invalid old object ID" err && |
| 180 | test_ref_matches refs/heads/foo $A |
| 181 | ) |
| 182 | ' |
| 183 | |
| 184 | test_expect_success 'update --no-deref rewrites the symref itself' ' |
| 185 | test_when_finished "rm -rf repo" && |
| 186 | setup_repo repo && |
| 187 | ( |
| 188 | cd repo && |
| 189 | A=$(git rev-parse A) && |
| 190 | B=$(git rev-parse B) && |
| 191 | git refs update refs/heads/foo $A && |
| 192 | git symbolic-ref refs/heads/symref refs/heads/foo && |
| 193 | git refs update --no-deref refs/heads/symref $B && |
| 194 | test_must_fail git symbolic-ref refs/heads/symref && |
| 195 | test_ref_matches refs/heads/symref $B && |
| 196 | test_ref_matches refs/heads/foo $A |
| 197 | ) |
| 198 | ' |
| 199 | |
| 200 | test_expect_success 'update does not create a reflog by default' ' |
| 201 | test_when_finished "rm -rf repo" && |
| 202 | setup_repo repo && |
| 203 | ( |
| 204 | cd repo && |
| 205 | A=$(git rev-parse A) && |
| 206 | git refs update refs/foo $A && |
| 207 | test_must_fail git reflog exists refs/foo |
| 208 | ) |
| 209 | ' |
| 210 | |
| 211 | test_expect_success 'update creates a reflog with --create-reflog' ' |
| 212 | test_when_finished "rm -rf repo" && |
| 213 | setup_repo repo && |
| 214 | ( |
| 215 | cd repo && |
| 216 | A=$(git rev-parse A) && |
| 217 | git refs update --create-reflog refs/foo $A && |
| 218 | git reflog exists refs/foo |
| 219 | ) |
| 220 | ' |
| 221 | |
| 222 | test_expect_success 'update with message records reason in reflog' ' |
| 223 | test_when_finished "rm -rf repo" && |
| 224 | setup_repo repo && |
| 225 | ( |
| 226 | cd repo && |
| 227 | A=$(git rev-parse A) && |
| 228 | B=$(git rev-parse B) && |
| 229 | git refs update refs/heads/foo $A && |
| 230 | git refs update --message=update-reason refs/heads/foo $B && |
| 231 | git reflog show refs/heads/foo >actual && |
| 232 | test_grep "update-reason$" actual |
| 233 | ) |
| 234 | ' |
| 235 | |
| 236 | test_expect_success 'update with empty message fails' ' |
| 237 | test_when_finished "rm -rf repo" && |
| 238 | setup_repo repo && |
| 239 | ( |
| 240 | cd repo && |
| 241 | A=$(git rev-parse A) && |
| 242 | B=$(git rev-parse B) && |
| 243 | git refs update refs/heads/foo $A && |
| 244 | test_must_fail git refs update --message= refs/heads/foo $B 2>err && |
| 245 | test_grep "empty message" err |
| 246 | ) |
| 247 | ' |
| 248 | |
| 249 | test_expect_success 'update with too few arguments fails' ' |
| 250 | test_when_finished "rm -rf repo" && |
| 251 | setup_repo repo && |
| 252 | test_must_fail git -C repo refs update refs/heads/foo 2>err && |
| 253 | test_grep "requires reference name, new value" err |
| 254 | ' |
| 255 | |
| 256 | test_expect_success 'update with too many arguments fails' ' |
| 257 | test_when_finished "rm -rf repo" && |
| 258 | setup_repo repo && |
| 259 | ( |
| 260 | cd repo && |
| 261 | A=$(git rev-parse A) && |
| 262 | B=$(git rev-parse B) && |
| 263 | test_must_fail git refs update refs/heads/foo $A $B extra 2>err && |
| 264 | test_grep "requires reference name, new value" err |
| 265 | ) |
| 266 | ' |
| 267 | |
| 268 | test_done |