| 1 | #!/bin/sh |
| 2 | # |
| 3 | # Copyright (c) 2020 Google LLC |
| 4 | # |
| 5 | |
| 6 | test_description='reftable basics' |
| 7 | |
| 8 | GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main |
| 9 | export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME |
| 10 | GIT_TEST_DEFAULT_REF_FORMAT=reftable |
| 11 | export GIT_TEST_DEFAULT_REF_FORMAT |
| 12 | |
| 13 | . ./test-lib.sh |
| 14 | |
| 15 | INVALID_OID=$(test_oid 001) |
| 16 | |
| 17 | test_expect_success 'pack-refs does not crash with -h' ' |
| 18 | git pack-refs -h >usage && |
| 19 | test_grep "[Uu]sage: git pack-refs " usage && |
| 20 | nongit git pack-refs -h >usage && |
| 21 | test_grep "[Uu]sage: git pack-refs " usage |
| 22 | ' |
| 23 | |
| 24 | test_expect_success 'init: creates basic reftable structures' ' |
| 25 | test_when_finished "rm -rf repo" && |
| 26 | git init repo && |
| 27 | test_path_is_dir repo/.git/reftable && |
| 28 | test_path_is_file repo/.git/reftable/tables.list && |
| 29 | echo reftable >expect && |
| 30 | git -C repo rev-parse --show-ref-format >actual && |
| 31 | test_cmp expect actual |
| 32 | ' |
| 33 | |
| 34 | test_expect_success 'init: sha256 object format via environment variable' ' |
| 35 | test_when_finished "rm -rf repo" && |
| 36 | GIT_DEFAULT_HASH=sha256 git init repo && |
| 37 | cat >expect <<-EOF && |
| 38 | sha256 |
| 39 | reftable |
| 40 | EOF |
| 41 | git -C repo rev-parse --show-object-format --show-ref-format >actual && |
| 42 | test_cmp expect actual |
| 43 | ' |
| 44 | |
| 45 | test_expect_success 'init: sha256 object format via option' ' |
| 46 | test_when_finished "rm -rf repo" && |
| 47 | git init --object-format=sha256 repo && |
| 48 | cat >expect <<-EOF && |
| 49 | sha256 |
| 50 | reftable |
| 51 | EOF |
| 52 | git -C repo rev-parse --show-object-format --show-ref-format >actual && |
| 53 | test_cmp expect actual |
| 54 | ' |
| 55 | |
| 56 | test_expect_success 'init: reinitializing reftable backend succeeds' ' |
| 57 | test_when_finished "rm -rf repo" && |
| 58 | git init repo && |
| 59 | test_commit -C repo A && |
| 60 | |
| 61 | git -C repo for-each-ref >expect && |
| 62 | git init --ref-format=reftable repo && |
| 63 | git -C repo for-each-ref >actual && |
| 64 | test_cmp expect actual |
| 65 | ' |
| 66 | |
| 67 | test_expect_success 'init: reinitializing files with reftable backend fails' ' |
| 68 | test_when_finished "rm -rf repo" && |
| 69 | git init --ref-format=files repo && |
| 70 | test_commit -C repo file && |
| 71 | |
| 72 | cp repo/.git/HEAD expect && |
| 73 | test_must_fail git init --ref-format=reftable repo && |
| 74 | test_cmp expect repo/.git/HEAD |
| 75 | ' |
| 76 | |
| 77 | test_expect_success 'init: reinitializing reftable with files backend fails' ' |
| 78 | test_when_finished "rm -rf repo" && |
| 79 | git init --ref-format=reftable repo && |
| 80 | test_commit -C repo file && |
| 81 | |
| 82 | cp repo/.git/HEAD expect && |
| 83 | test_must_fail git init --ref-format=files repo && |
| 84 | test_cmp expect repo/.git/HEAD |
| 85 | ' |
| 86 | |
| 87 | test_expect_perms () { |
| 88 | local perms="$1" && |
| 89 | local file="$2" && |
| 90 | local actual="$(ls -l "$file")" && |
| 91 | |
| 92 | case "$actual" in |
| 93 | $perms*) |
| 94 | : happy |
| 95 | ;; |
| 96 | *) |
| 97 | echo "$(basename $2) is not $perms but $actual" |
| 98 | false |
| 99 | ;; |
| 100 | esac |
| 101 | } |
| 102 | |
| 103 | test_expect_reftable_perms () { |
| 104 | local umask="$1" |
| 105 | local shared="$2" |
| 106 | local expect="$3" |
| 107 | |
| 108 | test_expect_success POSIXPERM "init: honors --shared=$shared with umask $umask" ' |
| 109 | test_when_finished "rm -rf repo" && |
| 110 | ( |
| 111 | umask $umask && |
| 112 | git init --shared=$shared repo |
| 113 | ) && |
| 114 | test_expect_perms "$expect" repo/.git/reftable/tables.list && |
| 115 | for table in repo/.git/reftable/*.ref |
| 116 | do |
| 117 | test_expect_perms "$expect" "$table" || |
| 118 | return 1 |
| 119 | done |
| 120 | ' |
| 121 | |
| 122 | test_expect_success POSIXPERM "pack-refs: honors --shared=$shared with umask $umask" ' |
| 123 | test_when_finished "rm -rf repo" && |
| 124 | ( |
| 125 | umask $umask && |
| 126 | git init --shared=$shared repo && |
| 127 | test_commit -C repo A && |
| 128 | test_line_count = 2 repo/.git/reftable/tables.list && |
| 129 | git -C repo pack-refs |
| 130 | ) && |
| 131 | test_expect_perms "$expect" repo/.git/reftable/tables.list && |
| 132 | for table in repo/.git/reftable/*.ref |
| 133 | do |
| 134 | test_expect_perms "$expect" "$table" || |
| 135 | return 1 |
| 136 | done |
| 137 | ' |
| 138 | } |
| 139 | |
| 140 | test_expect_reftable_perms 002 umask "-rw-rw-r--" |
| 141 | test_expect_reftable_perms 022 umask "-rw-r--r--" |
| 142 | test_expect_reftable_perms 027 umask "-rw-r-----" |
| 143 | |
| 144 | test_expect_reftable_perms 002 group "-rw-rw-r--" |
| 145 | test_expect_reftable_perms 022 group "-rw-rw-r--" |
| 146 | test_expect_reftable_perms 027 group "-rw-rw----" |
| 147 | |
| 148 | test_expect_reftable_perms 002 world "-rw-rw-r--" |
| 149 | test_expect_reftable_perms 022 world "-rw-rw-r--" |
| 150 | test_expect_reftable_perms 027 world "-rw-rw-r--" |
| 151 | |
| 152 | test_expect_success 'clone: can clone reftable repository' ' |
| 153 | test_when_finished "rm -rf repo clone" && |
| 154 | git init repo && |
| 155 | test_commit -C repo message1 file1 && |
| 156 | |
| 157 | git clone repo cloned && |
| 158 | echo reftable >expect && |
| 159 | git -C cloned rev-parse --show-ref-format >actual && |
| 160 | test_cmp expect actual && |
| 161 | test_path_is_file cloned/file1 |
| 162 | ' |
| 163 | |
| 164 | test_expect_success 'clone: can clone reffiles into reftable repository' ' |
| 165 | test_when_finished "rm -rf reffiles reftable" && |
| 166 | git init --ref-format=files reffiles && |
| 167 | test_commit -C reffiles A && |
| 168 | git clone --ref-format=reftable ./reffiles reftable && |
| 169 | |
| 170 | git -C reffiles rev-parse HEAD >expect && |
| 171 | git -C reftable rev-parse HEAD >actual && |
| 172 | test_cmp expect actual && |
| 173 | |
| 174 | git -C reftable rev-parse --show-ref-format >actual && |
| 175 | echo reftable >expect && |
| 176 | test_cmp expect actual && |
| 177 | |
| 178 | git -C reffiles rev-parse --show-ref-format >actual && |
| 179 | echo files >expect && |
| 180 | test_cmp expect actual |
| 181 | ' |
| 182 | |
| 183 | test_expect_success 'clone: can clone reftable into reffiles repository' ' |
| 184 | test_when_finished "rm -rf reffiles reftable" && |
| 185 | git init --ref-format=reftable reftable && |
| 186 | test_commit -C reftable A && |
| 187 | git clone --ref-format=files ./reftable reffiles && |
| 188 | |
| 189 | git -C reftable rev-parse HEAD >expect && |
| 190 | git -C reffiles rev-parse HEAD >actual && |
| 191 | test_cmp expect actual && |
| 192 | |
| 193 | git -C reftable rev-parse --show-ref-format >actual && |
| 194 | echo reftable >expect && |
| 195 | test_cmp expect actual && |
| 196 | |
| 197 | git -C reffiles rev-parse --show-ref-format >actual && |
| 198 | echo files >expect && |
| 199 | test_cmp expect actual |
| 200 | ' |
| 201 | |
| 202 | test_expect_success 'ref transaction: corrupted tables cause failure' ' |
| 203 | test_when_finished "rm -rf repo" && |
| 204 | git init repo && |
| 205 | ( |
| 206 | cd repo && |
| 207 | test_commit file1 && |
| 208 | for f in .git/reftable/*.ref |
| 209 | do |
| 210 | test-tool truncate "$f" 0 || return 1 |
| 211 | done && |
| 212 | test_must_fail git update-ref refs/heads/main HEAD |
| 213 | ) |
| 214 | ' |
| 215 | |
| 216 | test_expect_success 'ref transaction: corrupted tables.list cause failure' ' |
| 217 | test_when_finished "rm -rf repo" && |
| 218 | git init repo && |
| 219 | ( |
| 220 | cd repo && |
| 221 | test_commit file1 && |
| 222 | echo garbage >.git/reftable/tables.list && |
| 223 | test_must_fail git update-ref refs/heads/main HEAD |
| 224 | ) |
| 225 | ' |
| 226 | |
| 227 | test_expect_success 'ref transaction: refuses to write ref causing F/D conflict' ' |
| 228 | test_when_finished "rm -rf repo" && |
| 229 | git init repo && |
| 230 | test_commit -C repo file && |
| 231 | test_must_fail git -C repo update-ref refs/heads/main/forbidden |
| 232 | ' |
| 233 | |
| 234 | test_expect_success 'ref transaction: deleting ref with invalid name fails' ' |
| 235 | test_when_finished "rm -rf repo" && |
| 236 | git init repo && |
| 237 | test_commit -C repo file && |
| 238 | test_must_fail git -C repo update-ref -d ../../my-private-file |
| 239 | ' |
| 240 | |
| 241 | test_expect_success 'ref transaction: can skip object ID verification' ' |
| 242 | test_when_finished "rm -rf repo" && |
| 243 | git init repo && |
| 244 | test_must_fail test-tool -C repo ref-store main update-ref msg refs/heads/branch $INVALID_OID $ZERO_OID 0 && |
| 245 | test-tool -C repo ref-store main update-ref msg refs/heads/branch $INVALID_OID $ZERO_OID REF_SKIP_OID_VERIFICATION |
| 246 | ' |
| 247 | |
| 248 | test_expect_success 'ref transaction: updating same ref multiple times fails' ' |
| 249 | test_when_finished "rm -rf repo" && |
| 250 | git init repo && |
| 251 | test_commit -C repo A && |
| 252 | cat >updates <<-EOF && |
| 253 | update refs/heads/main $A |
| 254 | update refs/heads/main $A |
| 255 | EOF |
| 256 | cat >expect <<-EOF && |
| 257 | fatal: multiple updates for ref ${SQ}refs/heads/main${SQ} not allowed |
| 258 | EOF |
| 259 | test_must_fail git -C repo update-ref --stdin <updates 2>err && |
| 260 | test_cmp expect err |
| 261 | ' |
| 262 | |
| 263 | test_expect_success 'ref transaction: can delete symbolic self-reference with git-symbolic-ref(1)' ' |
| 264 | test_when_finished "rm -rf repo" && |
| 265 | git init repo && |
| 266 | git -C repo symbolic-ref refs/heads/self refs/heads/self && |
| 267 | git -C repo symbolic-ref -d refs/heads/self |
| 268 | ' |
| 269 | |
| 270 | test_expect_success 'ref transaction: deleting symbolic self-reference without --no-deref fails' ' |
| 271 | test_when_finished "rm -rf repo" && |
| 272 | git init repo && |
| 273 | git -C repo symbolic-ref refs/heads/self refs/heads/self && |
| 274 | cat >expect <<-EOF && |
| 275 | error: multiple updates for ${SQ}refs/heads/self${SQ} (including one via symref ${SQ}refs/heads/self${SQ}) are not allowed |
| 276 | EOF |
| 277 | test_must_fail git -C repo update-ref -d refs/heads/self 2>err && |
| 278 | test_cmp expect err |
| 279 | ' |
| 280 | |
| 281 | test_expect_success 'ref transaction: deleting symbolic self-reference with --no-deref succeeds' ' |
| 282 | test_when_finished "rm -rf repo" && |
| 283 | git init repo && |
| 284 | git -C repo symbolic-ref refs/heads/self refs/heads/self && |
| 285 | git -C repo update-ref -d --no-deref refs/heads/self |
| 286 | ' |
| 287 | |
| 288 | test_expect_success 'ref transaction: creating symbolic ref fails with F/D conflict' ' |
| 289 | test_when_finished "rm -rf repo" && |
| 290 | git init repo && |
| 291 | test_commit -C repo A && |
| 292 | cat >expect <<-EOF && |
| 293 | error: ${SQ}refs/heads/main${SQ} exists; cannot create ${SQ}refs/heads${SQ} |
| 294 | EOF |
| 295 | test_must_fail git -C repo symbolic-ref refs/heads refs/heads/foo 2>err && |
| 296 | test_cmp expect err |
| 297 | ' |
| 298 | |
| 299 | test_expect_success 'ref transaction: ref deletion' ' |
| 300 | test_when_finished "rm -rf repo" && |
| 301 | git init repo && |
| 302 | ( |
| 303 | cd repo && |
| 304 | test_commit file && |
| 305 | HEAD_OID=$(git show-ref -s --verify HEAD) && |
| 306 | cat >expect <<-EOF && |
| 307 | $HEAD_OID refs/heads/main |
| 308 | $HEAD_OID refs/tags/file |
| 309 | EOF |
| 310 | git show-ref >actual && |
| 311 | test_cmp expect actual && |
| 312 | |
| 313 | test_must_fail git update-ref -d refs/tags/file $INVALID_OID && |
| 314 | git show-ref >actual && |
| 315 | test_cmp expect actual && |
| 316 | |
| 317 | git update-ref -d refs/tags/file $HEAD_OID && |
| 318 | echo "$HEAD_OID refs/heads/main" >expect && |
| 319 | git show-ref >actual && |
| 320 | test_cmp expect actual |
| 321 | ) |
| 322 | ' |
| 323 | |
| 324 | test_expect_success 'ref transaction: writes cause auto-compaction' ' |
| 325 | test_when_finished "rm -rf repo" && |
| 326 | |
| 327 | git init repo && |
| 328 | test_line_count = 1 repo/.git/reftable/tables.list && |
| 329 | |
| 330 | test_commit -C repo --no-tag A && |
| 331 | test_line_count = 1 repo/.git/reftable/tables.list && |
| 332 | |
| 333 | test_commit -C repo --no-tag B && |
| 334 | test_line_count = 1 repo/.git/reftable/tables.list |
| 335 | ' |
| 336 | |
| 337 | test_expect_success 'ref transaction: env var disables compaction' ' |
| 338 | test_when_finished "rm -rf repo" && |
| 339 | |
| 340 | git init repo && |
| 341 | test_commit -C repo A && |
| 342 | |
| 343 | start=$(wc -l <repo/.git/reftable/tables.list) && |
| 344 | iterations=5 && |
| 345 | expected=$((start + iterations)) && |
| 346 | |
| 347 | for i in $(test_seq $iterations) |
| 348 | do |
| 349 | GIT_TEST_REFTABLE_AUTOCOMPACTION=false \ |
| 350 | git -C repo update-ref branch-$i HEAD || return 1 |
| 351 | done && |
| 352 | test_line_count = $expected repo/.git/reftable/tables.list && |
| 353 | |
| 354 | git -C repo update-ref foo HEAD && |
| 355 | test_line_count -lt $expected repo/.git/reftable/tables.list |
| 356 | ' |
| 357 | |
| 358 | test_expect_success 'ref transaction: alternating table sizes are compacted' ' |
| 359 | test_when_finished "rm -rf repo" && |
| 360 | |
| 361 | git init repo && |
| 362 | test_commit -C repo A && |
| 363 | for i in $(test_seq 5) |
| 364 | do |
| 365 | git -C repo branch -f foo && |
| 366 | git -C repo branch -d foo || return 1 |
| 367 | done && |
| 368 | test_line_count = 2 repo/.git/reftable/tables.list |
| 369 | ' |
| 370 | |
| 371 | check_fsync_events () { |
| 372 | local trace="$1" && |
| 373 | shift && |
| 374 | |
| 375 | cat >expect && |
| 376 | sed -n \ |
| 377 | -e '/^{"event":"counter",.*"category":"fsync",/ { |
| 378 | s/.*"category":"fsync",//; |
| 379 | s/}$//; |
| 380 | p; |
| 381 | }' \ |
| 382 | <"$trace" >actual && |
| 383 | test_cmp expect actual |
| 384 | } |
| 385 | |
| 386 | test_expect_success 'ref transaction: writes are synced' ' |
| 387 | test_when_finished "rm -rf repo" && |
| 388 | git init repo && |
| 389 | test_commit -C repo initial && |
| 390 | |
| 391 | GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ |
| 392 | GIT_TEST_FSYNC=true \ |
| 393 | git -C repo -c core.fsync=reference \ |
| 394 | -c core.fsyncMethod=fsync update-ref refs/heads/branch HEAD && |
| 395 | check_fsync_events trace2.txt <<-EOF |
| 396 | "name":"hardware-flush","count":4 |
| 397 | EOF |
| 398 | ' |
| 399 | |
| 400 | test_expect_success 'ref transaction: empty transaction in empty repo' ' |
| 401 | test_when_finished "rm -rf repo" && |
| 402 | git init repo && |
| 403 | test_commit -C repo --no-tag A && |
| 404 | git -C repo update-ref -d refs/heads/main && |
| 405 | test-tool -C repo ref-store main delete-refs REF_NO_DEREF msg HEAD && |
| 406 | git -C repo update-ref --stdin <<-EOF |
| 407 | prepare |
| 408 | commit |
| 409 | EOF |
| 410 | ' |
| 411 | |
| 412 | test_expect_success 'ref transaction: fails gracefully when auto compaction fails' ' |
| 413 | test_when_finished "rm -rf repo" && |
| 414 | git init repo && |
| 415 | ( |
| 416 | cd repo && |
| 417 | |
| 418 | test_commit A && |
| 419 | for i in $(test_seq 10) |
| 420 | do |
| 421 | git branch branch-$i && |
| 422 | for table in .git/reftable/*.ref |
| 423 | do |
| 424 | touch "$table.lock" || exit 1 |
| 425 | done || |
| 426 | exit 1 |
| 427 | done && |
| 428 | test_line_count = 10 .git/reftable/tables.list |
| 429 | ) |
| 430 | ' |
| 431 | |
| 432 | test_expect_success 'ref transaction: timeout acquiring tables.list lock' ' |
| 433 | test_when_finished "rm -rf repo" && |
| 434 | git init repo && |
| 435 | ( |
| 436 | cd repo && |
| 437 | test_commit initial && |
| 438 | >.git/reftable/tables.list.lock && |
| 439 | test_must_fail git update-ref refs/heads/branch HEAD 2>err && |
| 440 | test_grep "cannot lock references" err |
| 441 | ) |
| 442 | ' |
| 443 | |
| 444 | test_expect_success 'ref transaction: retry acquiring tables.list lock' ' |
| 445 | test_when_finished "rm -rf repo" && |
| 446 | git init repo && |
| 447 | ( |
| 448 | cd repo && |
| 449 | test_commit initial && |
| 450 | LOCK=.git/reftable/tables.list.lock && |
| 451 | >$LOCK && |
| 452 | { |
| 453 | ( sleep 1 && rm -f $LOCK ) & |
| 454 | } && |
| 455 | git -c reftable.lockTimeout=5000 update-ref refs/heads/branch HEAD |
| 456 | ) |
| 457 | ' |
| 458 | |
| 459 | # This test fails most of the time on Cygwin systems. The root cause is |
| 460 | # that Windows does not allow us to rename the "tables.list.lock" file into |
| 461 | # place when "tables.list" is open for reading by a concurrent process. We have |
| 462 | # worked around that in our MinGW-based rename emulation, but the Cygwin |
| 463 | # emulation seems to be insufficient. |
| 464 | test_expect_success !CYGWIN 'ref transaction: many concurrent writers' ' |
| 465 | test_when_finished "rm -rf repo" && |
| 466 | git init repo && |
| 467 | ( |
| 468 | cd repo && |
| 469 | # Set a high timeout. While a couple of seconds should be |
| 470 | # plenty, using the address sanitizer will significantly slow |
| 471 | # us down here. So we are aiming way higher than you would ever |
| 472 | # think is necessary just to keep us from flaking. We could |
| 473 | # also lock indefinitely by passing -1, but that could |
| 474 | # potentially block CI jobs indefinitely if there was a bug |
| 475 | # here. |
| 476 | git config set reftable.lockTimeout 300000 && |
| 477 | test_commit --no-tag initial && |
| 478 | |
| 479 | head=$(git rev-parse HEAD) && |
| 480 | test_seq -f "$head commit\trefs/heads/branch-%d" 100 >expect && |
| 481 | printf "%s commit\trefs/heads/main\n" "$head" >>expect && |
| 482 | |
| 483 | for i in $(test_seq 100) |
| 484 | do |
| 485 | { git update-ref refs/heads/branch-$i HEAD& } || |
| 486 | return 1 |
| 487 | done && |
| 488 | |
| 489 | wait && |
| 490 | git for-each-ref --sort=v:refname >actual && |
| 491 | test_cmp expect actual |
| 492 | ) |
| 493 | ' |
| 494 | |
| 495 | test_expect_success 'pack-refs: compacts tables' ' |
| 496 | test_when_finished "rm -rf repo" && |
| 497 | git init repo && |
| 498 | |
| 499 | test_commit -C repo A && |
| 500 | ls -1 repo/.git/reftable >table-files && |
| 501 | test_line_count = 3 table-files && |
| 502 | test_line_count = 2 repo/.git/reftable/tables.list && |
| 503 | |
| 504 | git -C repo pack-refs && |
| 505 | ls -1 repo/.git/reftable >table-files && |
| 506 | test_line_count = 2 table-files && |
| 507 | test_line_count = 1 repo/.git/reftable/tables.list |
| 508 | ' |
| 509 | |
| 510 | test_expect_success 'pack-refs: compaction raises locking errors' ' |
| 511 | test_when_finished "rm -rf repo" && |
| 512 | git init repo && |
| 513 | test_commit -C repo A && |
| 514 | touch repo/.git/reftable/tables.list.lock && |
| 515 | cat >expect <<-EOF && |
| 516 | error: unable to compact stack: data is locked |
| 517 | EOF |
| 518 | test_must_fail git -C repo pack-refs 2>err && |
| 519 | test_cmp expect err |
| 520 | ' |
| 521 | |
| 522 | for command in pack-refs gc "maintenance run --task=pack-refs" |
| 523 | do |
| 524 | test_expect_success "$command: auto compaction" ' |
| 525 | test_when_finished "rm -rf repo" && |
| 526 | git init repo && |
| 527 | ( |
| 528 | cd repo && |
| 529 | |
| 530 | test_commit A && |
| 531 | |
| 532 | # We need a bit of setup to ensure that git-gc(1) actually |
| 533 | # triggers, and that it does not write anything to the refdb. |
| 534 | git config gc.auto 1 && |
| 535 | git config gc.autoDetach 0 && |
| 536 | git config gc.reflogExpire never && |
| 537 | git config gc.reflogExpireUnreachable never && |
| 538 | test_oid blob17_1 | git hash-object -w --stdin && |
| 539 | |
| 540 | # The tables should have been auto-compacted, and thus auto |
| 541 | # compaction should not have to do anything. |
| 542 | ls -1 .git/reftable >tables-expect && |
| 543 | test_line_count = 3 tables-expect && |
| 544 | git $command --auto && |
| 545 | ls -1 .git/reftable >tables-actual && |
| 546 | test_cmp tables-expect tables-actual && |
| 547 | |
| 548 | test_oid blob17_2 | git hash-object -w --stdin && |
| 549 | |
| 550 | # Lock all tables, write some refs. Auto-compaction will be |
| 551 | # unable to compact tables and thus fails gracefully, |
| 552 | # compacting only those tables which are not locked. |
| 553 | ls .git/reftable/*.ref | sort | |
| 554 | while read table |
| 555 | do |
| 556 | touch "$table.lock" && |
| 557 | basename "$table" >>tables.expect || exit 1 |
| 558 | done && |
| 559 | test_line_count = 2 .git/reftable/tables.list && |
| 560 | git branch B && |
| 561 | git branch C && |
| 562 | |
| 563 | # The new tables are auto-compacted, but the locked tables are |
| 564 | # left intact. |
| 565 | test_line_count = 3 .git/reftable/tables.list && |
| 566 | head -n 2 .git/reftable/tables.list >tables.head && |
| 567 | test_cmp tables.expect tables.head && |
| 568 | |
| 569 | rm .git/reftable/*.lock && |
| 570 | git $command --auto && |
| 571 | test_line_count = 1 .git/reftable/tables.list |
| 572 | ) |
| 573 | ' |
| 574 | done |
| 575 | |
| 576 | test_expect_success 'pack-refs: prunes stale tables' ' |
| 577 | test_when_finished "rm -rf repo" && |
| 578 | git init repo && |
| 579 | touch repo/.git/reftable/stale-table.ref && |
| 580 | git -C repo pack-refs && |
| 581 | test_path_is_missing repo/.git/reftable/stable-ref.ref |
| 582 | ' |
| 583 | |
| 584 | test_expect_success 'pack-refs: does not prune non-table files' ' |
| 585 | test_when_finished "rm -rf repo" && |
| 586 | git init repo && |
| 587 | touch repo/.git/reftable/garbage && |
| 588 | git -C repo pack-refs && |
| 589 | test_path_is_file repo/.git/reftable/garbage |
| 590 | ' |
| 591 | |
| 592 | test_expect_success 'packed-refs: writes are synced' ' |
| 593 | test_when_finished "rm -rf repo" && |
| 594 | git init repo && |
| 595 | test_commit -C repo initial && |
| 596 | test_line_count = 2 table-files && |
| 597 | |
| 598 | : >trace2.txt && |
| 599 | GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ |
| 600 | GIT_TEST_FSYNC=true \ |
| 601 | git -C repo -c core.fsync=reference \ |
| 602 | -c core.fsyncMethod=fsync pack-refs && |
| 603 | check_fsync_events trace2.txt <<-EOF |
| 604 | "name":"hardware-flush","count":2 |
| 605 | EOF |
| 606 | ' |
| 607 | |
| 608 | test_expect_success 'ref iterator: bogus names are flagged' ' |
| 609 | test_when_finished "rm -rf repo" && |
| 610 | git init repo && |
| 611 | ( |
| 612 | cd repo && |
| 613 | test_commit --no-tag file && |
| 614 | test-tool ref-store main update-ref msg "refs/heads/bogus..name" $(git rev-parse HEAD) $ZERO_OID REF_SKIP_REFNAME_VERIFICATION && |
| 615 | |
| 616 | cat >expect <<-EOF && |
| 617 | $ZERO_OID refs/heads/bogus..name 0xc |
| 618 | $(git rev-parse HEAD) refs/heads/main 0x0 |
| 619 | EOF |
| 620 | test-tool ref-store main for-each-ref "" >actual && |
| 621 | test_cmp expect actual |
| 622 | ) |
| 623 | ' |
| 624 | |
| 625 | test_expect_success 'ref iterator: missing object IDs are not flagged' ' |
| 626 | test_when_finished "rm -rf repo" && |
| 627 | git init repo && |
| 628 | ( |
| 629 | cd repo && |
| 630 | test-tool ref-store main update-ref msg "refs/heads/broken-hash" $INVALID_OID $ZERO_OID REF_SKIP_OID_VERIFICATION && |
| 631 | |
| 632 | cat >expect <<-EOF && |
| 633 | $INVALID_OID refs/heads/broken-hash 0x0 |
| 634 | EOF |
| 635 | test-tool ref-store main for-each-ref "" >actual && |
| 636 | test_cmp expect actual |
| 637 | ) |
| 638 | ' |
| 639 | |
| 640 | test_expect_success 'basic: commit and list refs' ' |
| 641 | test_when_finished "rm -rf repo" && |
| 642 | git init repo && |
| 643 | test_commit -C repo file && |
| 644 | test_write_lines refs/heads/main refs/tags/file >expect && |
| 645 | git -C repo for-each-ref --format="%(refname)" >actual && |
| 646 | test_cmp actual expect |
| 647 | ' |
| 648 | |
| 649 | test_expect_success 'basic: can write large commit message' ' |
| 650 | test_when_finished "rm -rf repo" && |
| 651 | git init repo && |
| 652 | |
| 653 | awk "BEGIN { for (i = 0; i < 50000; i++) printf \"%s\", \"this is a long commit message\" }" >commit-msg && |
| 654 | git -C repo commit --allow-empty --file=../commit-msg |
| 655 | ' |
| 656 | |
| 657 | test_expect_success 'basic: show-ref fails with empty repository' ' |
| 658 | test_when_finished "rm -rf repo" && |
| 659 | git init repo && |
| 660 | test_must_fail git -C repo show-ref >actual && |
| 661 | test_must_be_empty actual |
| 662 | ' |
| 663 | |
| 664 | test_expect_success 'basic: can check out unborn branch' ' |
| 665 | test_when_finished "rm -rf repo" && |
| 666 | git init repo && |
| 667 | git -C repo checkout -b main |
| 668 | ' |
| 669 | |
| 670 | test_expect_success 'basic: peeled tags are stored' ' |
| 671 | test_when_finished "rm -rf repo" && |
| 672 | git init repo && |
| 673 | test_commit -C repo file && |
| 674 | git -C repo tag -m "annotated tag" test_tag HEAD && |
| 675 | for ref in refs/heads/main refs/tags/file refs/tags/test_tag refs/tags/test_tag^{} |
| 676 | do |
| 677 | echo "$(git -C repo rev-parse "$ref") $ref" || return 1 |
| 678 | done >expect && |
| 679 | git -C repo show-ref -d >actual && |
| 680 | test_cmp expect actual |
| 681 | ' |
| 682 | |
| 683 | test_expect_success 'basic: for-each-ref can print symrefs' ' |
| 684 | test_when_finished "rm -rf repo" && |
| 685 | git init repo && |
| 686 | ( |
| 687 | cd repo && |
| 688 | test_commit file && |
| 689 | git branch && |
| 690 | git symbolic-ref refs/heads/sym refs/heads/main && |
| 691 | cat >expected <<-EOF && |
| 692 | refs/heads/main |
| 693 | EOF |
| 694 | git for-each-ref --format="%(symref)" refs/heads/sym >actual && |
| 695 | test_cmp expected actual |
| 696 | ) |
| 697 | ' |
| 698 | |
| 699 | test_expect_success 'basic: notes' ' |
| 700 | test_when_finished "rm -rf repo" && |
| 701 | git init repo && |
| 702 | ( |
| 703 | write_script fake_editor <<-\EOF && |
| 704 | echo "$MSG" >"$1" |
| 705 | echo "$MSG" >&2 |
| 706 | EOF |
| 707 | |
| 708 | test_commit 1st && |
| 709 | test_commit 2nd && |
| 710 | GIT_EDITOR=./fake_editor MSG=b4 git notes add && |
| 711 | GIT_EDITOR=./fake_editor MSG=b3 git notes edit && |
| 712 | echo b4 >expect && |
| 713 | git notes --ref commits@{1} show >actual && |
| 714 | test_cmp expect actual |
| 715 | ) |
| 716 | ' |
| 717 | |
| 718 | test_expect_success 'basic: stash' ' |
| 719 | test_when_finished "rm -rf repo" && |
| 720 | git init repo && |
| 721 | ( |
| 722 | cd repo && |
| 723 | test_commit file && |
| 724 | git stash list >expect && |
| 725 | test_line_count = 0 expect && |
| 726 | |
| 727 | echo hoi >>file.t && |
| 728 | git stash push -m stashed && |
| 729 | git stash list >expect && |
| 730 | test_line_count = 1 expect && |
| 731 | |
| 732 | git stash clear && |
| 733 | git stash list >expect && |
| 734 | test_line_count = 0 expect |
| 735 | ) |
| 736 | ' |
| 737 | |
| 738 | test_expect_success 'basic: cherry-pick' ' |
| 739 | test_when_finished "rm -rf repo" && |
| 740 | git init repo && |
| 741 | ( |
| 742 | cd repo && |
| 743 | test_commit message1 file1 && |
| 744 | test_commit message2 file2 && |
| 745 | git branch source && |
| 746 | git checkout HEAD^ && |
| 747 | test_commit message3 file3 && |
| 748 | git cherry-pick source && |
| 749 | test_path_is_file file2 |
| 750 | ) |
| 751 | ' |
| 752 | |
| 753 | test_expect_success 'basic: rebase' ' |
| 754 | test_when_finished "rm -rf repo" && |
| 755 | git init repo && |
| 756 | ( |
| 757 | cd repo && |
| 758 | test_commit message1 file1 && |
| 759 | test_commit message2 file2 && |
| 760 | git branch source && |
| 761 | git checkout HEAD^ && |
| 762 | test_commit message3 file3 && |
| 763 | git rebase source && |
| 764 | test_path_is_file file2 |
| 765 | ) |
| 766 | ' |
| 767 | |
| 768 | test_expect_success 'reflog: can delete separate reflog entries' ' |
| 769 | test_when_finished "rm -rf repo" && |
| 770 | git init repo && |
| 771 | ( |
| 772 | cd repo && |
| 773 | |
| 774 | test_commit file && |
| 775 | test_commit file2 && |
| 776 | test_commit file3 && |
| 777 | test_commit file4 && |
| 778 | git reflog >actual && |
| 779 | test_grep file3 actual && |
| 780 | |
| 781 | git reflog delete HEAD@{1} && |
| 782 | git reflog >actual && |
| 783 | test_grep ! file3 actual |
| 784 | ) |
| 785 | ' |
| 786 | |
| 787 | test_expect_success 'reflog: can switch to previous branch' ' |
| 788 | test_when_finished "rm -rf repo" && |
| 789 | git init repo && |
| 790 | ( |
| 791 | cd repo && |
| 792 | test_commit file1 && |
| 793 | git checkout -b branch1 && |
| 794 | test_commit file2 && |
| 795 | git checkout -b branch2 && |
| 796 | git switch - && |
| 797 | git rev-parse --symbolic-full-name HEAD >actual && |
| 798 | echo refs/heads/branch1 >expect && |
| 799 | test_cmp actual expect |
| 800 | ) |
| 801 | ' |
| 802 | |
| 803 | test_expect_success 'reflog: copying branch writes reflog entry' ' |
| 804 | test_when_finished "rm -rf repo" && |
| 805 | git init repo && |
| 806 | ( |
| 807 | cd repo && |
| 808 | test_commit file1 && |
| 809 | test_commit file2 && |
| 810 | oid=$(git rev-parse --short HEAD) && |
| 811 | git branch src && |
| 812 | cat >expect <<-EOF && |
| 813 | ${oid} dst@{0}: Branch: copied refs/heads/src to refs/heads/dst |
| 814 | ${oid} dst@{1}: branch: Created from main |
| 815 | EOF |
| 816 | git branch -c src dst && |
| 817 | git reflog dst >actual && |
| 818 | test_cmp expect actual |
| 819 | ) |
| 820 | ' |
| 821 | |
| 822 | test_expect_success 'reflog: renaming branch writes reflog entry' ' |
| 823 | test_when_finished "rm -rf repo" && |
| 824 | git init repo && |
| 825 | ( |
| 826 | cd repo && |
| 827 | git symbolic-ref HEAD refs/heads/before && |
| 828 | test_commit file && |
| 829 | git show-ref >expected.refs && |
| 830 | sed s/before/after/g <expected.refs >expected && |
| 831 | git branch -M after && |
| 832 | git show-ref >actual && |
| 833 | test_cmp expected actual && |
| 834 | echo refs/heads/after >expected && |
| 835 | git symbolic-ref HEAD >actual && |
| 836 | test_cmp expected actual |
| 837 | ) |
| 838 | ' |
| 839 | |
| 840 | test_expect_success 'reflog: can store empty logs' ' |
| 841 | test_when_finished "rm -rf repo" && |
| 842 | git init repo && |
| 843 | ( |
| 844 | cd repo && |
| 845 | |
| 846 | test_must_fail test-tool ref-store main reflog-exists refs/heads/branch && |
| 847 | test-tool ref-store main create-reflog refs/heads/branch && |
| 848 | test-tool ref-store main reflog-exists refs/heads/branch && |
| 849 | test-tool ref-store main for-each-reflog-ent-reverse refs/heads/branch >actual && |
| 850 | test_must_be_empty actual |
| 851 | ) |
| 852 | ' |
| 853 | |
| 854 | test_expect_success 'reflog: expiry empties reflog' ' |
| 855 | test_when_finished "rm -rf repo" && |
| 856 | git init repo && |
| 857 | ( |
| 858 | cd repo && |
| 859 | |
| 860 | test_commit initial && |
| 861 | git checkout -b branch && |
| 862 | test_commit fileA && |
| 863 | test_commit fileB && |
| 864 | |
| 865 | cat >expect <<-EOF && |
| 866 | commit: fileB |
| 867 | commit: fileA |
| 868 | branch: Created from HEAD |
| 869 | EOF |
| 870 | git reflog show --format="%gs" refs/heads/branch >actual && |
| 871 | test_cmp expect actual && |
| 872 | |
| 873 | git reflog expire branch --expire=all && |
| 874 | git reflog show --format="%gs" refs/heads/branch >actual && |
| 875 | test_must_be_empty actual && |
| 876 | test-tool ref-store main reflog-exists refs/heads/branch |
| 877 | ) |
| 878 | ' |
| 879 | |
| 880 | test_expect_success 'reflog: can be deleted' ' |
| 881 | test_when_finished "rm -rf repo" && |
| 882 | git init repo && |
| 883 | ( |
| 884 | cd repo && |
| 885 | test_commit initial && |
| 886 | test-tool ref-store main reflog-exists refs/heads/main && |
| 887 | test-tool ref-store main delete-reflog refs/heads/main && |
| 888 | test_must_fail test-tool ref-store main reflog-exists refs/heads/main |
| 889 | ) |
| 890 | ' |
| 891 | |
| 892 | test_expect_success 'reflog: garbage collection deletes reflog entries' ' |
| 893 | test_when_finished "rm -rf repo" && |
| 894 | git init repo && |
| 895 | ( |
| 896 | cd repo && |
| 897 | |
| 898 | for count in $(test_seq 1 10) |
| 899 | do |
| 900 | test_commit "number $count" file.t $count number-$count || |
| 901 | return 1 |
| 902 | done && |
| 903 | git reflog refs/heads/main >actual && |
| 904 | test_line_count = 10 actual && |
| 905 | test_grep "commit (initial): number 1" actual && |
| 906 | test_grep "commit: number 10" actual && |
| 907 | |
| 908 | git gc && |
| 909 | git reflog refs/heads/main >actual && |
| 910 | test_line_count = 0 actual |
| 911 | ) |
| 912 | ' |
| 913 | |
| 914 | test_expect_success 'reflog: updates via HEAD update HEAD reflog' ' |
| 915 | test_when_finished "rm -rf repo" && |
| 916 | git init repo && |
| 917 | ( |
| 918 | cd repo && |
| 919 | test_commit main-one && |
| 920 | git checkout -b new-branch && |
| 921 | test_commit new-one && |
| 922 | test_commit new-two && |
| 923 | |
| 924 | echo new-one >expect && |
| 925 | git log -1 --format=%s HEAD@{1} >actual && |
| 926 | test_cmp expect actual |
| 927 | ) |
| 928 | ' |
| 929 | |
| 930 | test_expect_success 'branch: copying branch with D/F conflict' ' |
| 931 | test_when_finished "rm -rf repo" && |
| 932 | git init repo && |
| 933 | ( |
| 934 | cd repo && |
| 935 | test_commit A && |
| 936 | git branch branch && |
| 937 | cat >expect <<-EOF && |
| 938 | error: ${SQ}refs/heads/branch${SQ} exists; cannot create ${SQ}refs/heads/branch/moved${SQ} |
| 939 | fatal: branch copy failed |
| 940 | EOF |
| 941 | test_must_fail git branch -c branch branch/moved 2>err && |
| 942 | test_cmp expect err |
| 943 | ) |
| 944 | ' |
| 945 | |
| 946 | test_expect_success 'branch: moving branch with D/F conflict' ' |
| 947 | test_when_finished "rm -rf repo" && |
| 948 | git init repo && |
| 949 | ( |
| 950 | cd repo && |
| 951 | test_commit A && |
| 952 | git branch branch && |
| 953 | git branch conflict && |
| 954 | cat >expect <<-EOF && |
| 955 | error: ${SQ}refs/heads/conflict${SQ} exists; cannot create ${SQ}refs/heads/conflict/moved${SQ} |
| 956 | fatal: branch rename failed |
| 957 | EOF |
| 958 | test_must_fail git branch -m branch conflict/moved 2>err && |
| 959 | test_cmp expect err |
| 960 | ) |
| 961 | ' |
| 962 | |
| 963 | test_expect_success 'worktree: adding worktree creates separate stack' ' |
| 964 | test_when_finished "rm -rf repo worktree" && |
| 965 | git init repo && |
| 966 | test_commit -C repo A && |
| 967 | |
| 968 | git -C repo worktree add ../worktree && |
| 969 | test_path_is_file repo/.git/worktrees/worktree/refs/heads && |
| 970 | echo "ref: refs/heads/.invalid" >expect && |
| 971 | test_cmp expect repo/.git/worktrees/worktree/HEAD && |
| 972 | test_path_is_dir repo/.git/worktrees/worktree/reftable && |
| 973 | test_path_is_file repo/.git/worktrees/worktree/reftable/tables.list |
| 974 | ' |
| 975 | |
| 976 | test_expect_success 'worktree: pack-refs in main repo packs main refs' ' |
| 977 | test_when_finished "rm -rf repo worktree" && |
| 978 | git init repo && |
| 979 | test_commit -C repo A && |
| 980 | |
| 981 | GIT_TEST_REFTABLE_AUTOCOMPACTION=false \ |
| 982 | git -C repo worktree add ../worktree && |
| 983 | GIT_TEST_REFTABLE_AUTOCOMPACTION=false \ |
| 984 | git -C worktree update-ref refs/worktree/per-worktree HEAD && |
| 985 | |
| 986 | test_line_count = 4 repo/.git/worktrees/worktree/reftable/tables.list && |
| 987 | test_line_count = 3 repo/.git/reftable/tables.list && |
| 988 | git -C repo pack-refs && |
| 989 | test_line_count = 4 repo/.git/worktrees/worktree/reftable/tables.list && |
| 990 | test_line_count = 1 repo/.git/reftable/tables.list |
| 991 | ' |
| 992 | |
| 993 | test_expect_success 'worktree: pack-refs in worktree packs worktree refs' ' |
| 994 | test_when_finished "rm -rf repo worktree" && |
| 995 | git init repo && |
| 996 | test_commit -C repo A && |
| 997 | |
| 998 | GIT_TEST_REFTABLE_AUTOCOMPACTION=false \ |
| 999 | git -C repo worktree add ../worktree && |
| 1000 | GIT_TEST_REFTABLE_AUTOCOMPACTION=false \ |
| 1001 | git -C worktree update-ref refs/worktree/per-worktree HEAD && |
| 1002 | |
| 1003 | test_line_count = 4 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1004 | test_line_count = 3 repo/.git/reftable/tables.list && |
| 1005 | git -C worktree pack-refs && |
| 1006 | test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1007 | test_line_count = 3 repo/.git/reftable/tables.list |
| 1008 | ' |
| 1009 | |
| 1010 | test_expect_success 'worktree: creating shared ref updates main stack' ' |
| 1011 | test_when_finished "rm -rf repo worktree" && |
| 1012 | git init repo && |
| 1013 | test_commit -C repo A && |
| 1014 | |
| 1015 | git -C repo worktree add ../worktree && |
| 1016 | git -C repo pack-refs && |
| 1017 | git -C worktree pack-refs && |
| 1018 | test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1019 | test_line_count = 1 repo/.git/reftable/tables.list && |
| 1020 | |
| 1021 | GIT_TEST_REFTABLE_AUTOCOMPACTION=false \ |
| 1022 | git -C worktree update-ref refs/heads/shared HEAD && |
| 1023 | test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1024 | test_line_count = 2 repo/.git/reftable/tables.list |
| 1025 | ' |
| 1026 | |
| 1027 | test_expect_success 'worktree: creating per-worktree ref updates worktree stack' ' |
| 1028 | test_when_finished "rm -rf repo worktree" && |
| 1029 | git init repo && |
| 1030 | test_commit -C repo A && |
| 1031 | |
| 1032 | git -C repo worktree add ../worktree && |
| 1033 | git -C repo pack-refs && |
| 1034 | git -C worktree pack-refs && |
| 1035 | test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1036 | test_line_count = 1 repo/.git/reftable/tables.list && |
| 1037 | |
| 1038 | git -C worktree update-ref refs/bisect/per-worktree HEAD && |
| 1039 | test_line_count = 2 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1040 | test_line_count = 1 repo/.git/reftable/tables.list |
| 1041 | ' |
| 1042 | |
| 1043 | test_expect_success 'worktree: creating per-worktree ref from main repo' ' |
| 1044 | test_when_finished "rm -rf repo worktree" && |
| 1045 | git init repo && |
| 1046 | test_commit -C repo A && |
| 1047 | |
| 1048 | git -C repo worktree add ../worktree && |
| 1049 | git -C repo pack-refs && |
| 1050 | git -C worktree pack-refs && |
| 1051 | test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1052 | test_line_count = 1 repo/.git/reftable/tables.list && |
| 1053 | |
| 1054 | git -C repo update-ref worktrees/worktree/refs/bisect/per-worktree HEAD && |
| 1055 | test_line_count = 2 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1056 | test_line_count = 1 repo/.git/reftable/tables.list |
| 1057 | ' |
| 1058 | |
| 1059 | test_expect_success 'worktree: creating per-worktree ref from second worktree' ' |
| 1060 | test_when_finished "rm -rf repo wt1 wt2" && |
| 1061 | git init repo && |
| 1062 | test_commit -C repo A && |
| 1063 | |
| 1064 | git -C repo worktree add ../wt1 && |
| 1065 | git -C repo worktree add ../wt2 && |
| 1066 | git -C repo pack-refs && |
| 1067 | git -C wt1 pack-refs && |
| 1068 | git -C wt2 pack-refs && |
| 1069 | test_line_count = 1 repo/.git/worktrees/wt1/reftable/tables.list && |
| 1070 | test_line_count = 1 repo/.git/worktrees/wt2/reftable/tables.list && |
| 1071 | test_line_count = 1 repo/.git/reftable/tables.list && |
| 1072 | |
| 1073 | git -C wt1 update-ref worktrees/wt2/refs/bisect/per-worktree HEAD && |
| 1074 | test_line_count = 1 repo/.git/worktrees/wt1/reftable/tables.list && |
| 1075 | test_line_count = 2 repo/.git/worktrees/wt2/reftable/tables.list && |
| 1076 | test_line_count = 1 repo/.git/reftable/tables.list |
| 1077 | ' |
| 1078 | |
| 1079 | test_expect_success 'worktree: can create shared and per-worktree ref in one transaction' ' |
| 1080 | test_when_finished "rm -rf repo worktree" && |
| 1081 | git init repo && |
| 1082 | test_commit -C repo A && |
| 1083 | |
| 1084 | git -C repo worktree add ../worktree && |
| 1085 | git -C repo pack-refs && |
| 1086 | git -C worktree pack-refs && |
| 1087 | test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1088 | test_line_count = 1 repo/.git/reftable/tables.list && |
| 1089 | |
| 1090 | cat >stdin <<-EOF && |
| 1091 | create worktrees/worktree/refs/bisect/per-worktree HEAD |
| 1092 | create refs/branches/shared HEAD |
| 1093 | EOF |
| 1094 | git -C repo update-ref --stdin <stdin && |
| 1095 | test_line_count = 2 repo/.git/worktrees/worktree/reftable/tables.list && |
| 1096 | test_line_count = 2 repo/.git/reftable/tables.list |
| 1097 | ' |
| 1098 | |
| 1099 | test_expect_success 'worktree: can access common refs' ' |
| 1100 | test_when_finished "rm -rf repo worktree" && |
| 1101 | git init repo && |
| 1102 | test_commit -C repo file1 && |
| 1103 | git -C repo branch branch1 && |
| 1104 | git -C repo worktree add ../worktree && |
| 1105 | |
| 1106 | echo refs/heads/worktree >expect && |
| 1107 | git -C worktree symbolic-ref HEAD >actual && |
| 1108 | test_cmp expect actual && |
| 1109 | git -C worktree checkout branch1 |
| 1110 | ' |
| 1111 | |
| 1112 | test_expect_success 'worktree: adds worktree with detached HEAD' ' |
| 1113 | test_when_finished "rm -rf repo worktree" && |
| 1114 | |
| 1115 | git init repo && |
| 1116 | test_commit -C repo A && |
| 1117 | git -C repo rev-parse main >expect && |
| 1118 | |
| 1119 | git -C repo worktree add --detach ../worktree main && |
| 1120 | git -C worktree rev-parse HEAD >actual && |
| 1121 | test_cmp expect actual |
| 1122 | ' |
| 1123 | |
| 1124 | test_expect_success 'fetch: accessing FETCH_HEAD special ref works' ' |
| 1125 | test_when_finished "rm -rf repo sub" && |
| 1126 | |
| 1127 | git init sub && |
| 1128 | test_commit -C sub two && |
| 1129 | git -C sub rev-parse HEAD >expect && |
| 1130 | |
| 1131 | git init repo && |
| 1132 | test_commit -C repo one && |
| 1133 | git -C repo fetch ../sub && |
| 1134 | git -C repo rev-parse FETCH_HEAD >actual && |
| 1135 | test_cmp expect actual |
| 1136 | ' |
| 1137 | |
| 1138 | test_expect_success 'writes do not persist peeled value for invalid tags' ' |
| 1139 | test_when_finished rm -rf repo && |
| 1140 | git init repo && |
| 1141 | ( |
| 1142 | cd repo && |
| 1143 | git commit --allow-empty --message initial && |
| 1144 | |
| 1145 | # We cannot easily verify that the peeled value is not stored |
| 1146 | # in the tables. Instead, we test this indirectly: we create |
| 1147 | # two tags that both point to the same object, but they claim |
| 1148 | # different object types. If we parse both tags we notice that |
| 1149 | # the parsed tagged object has a mismatch between the two tags |
| 1150 | # and bail out. |
| 1151 | # |
| 1152 | # If we instead use the persisted peeled value we would not |
| 1153 | # even parse the tags. As such, we would not notice the |
| 1154 | # discrepancy either and thus listing these tags would succeed. |
| 1155 | git tag tag-1 -m "tag 1" && |
| 1156 | git cat-file tag tag-1 >raw-tag && |
| 1157 | sed "s/^type commit$/type blob/" <raw-tag >broken-tag && |
| 1158 | broken_tag_id=$(git hash-object -w -t tag broken-tag) && |
| 1159 | git update-ref refs/tags/tag-2 $broken_tag_id && |
| 1160 | |
| 1161 | test_must_fail git for-each-ref --format="%(*objectname)" refs/tags/ 2>err && |
| 1162 | test_grep "bad tag pointer" err |
| 1163 | ) |
| 1164 | ' |
| 1165 | |
| 1166 | test_done |