| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='cruft pack related pack-objects tests' |
| 4 | |
| 5 | . ./test-lib.sh |
| 6 | |
| 7 | objdir=.git/objects |
| 8 | packdir=$objdir/pack |
| 9 | |
| 10 | basic_cruft_pack_tests () { |
| 11 | expire="$1" |
| 12 | |
| 13 | test_expect_success "unreachable loose objects are packed (expire $expire)" ' |
| 14 | git init repo && |
| 15 | test_when_finished "rm -fr repo" && |
| 16 | ( |
| 17 | cd repo && |
| 18 | |
| 19 | test_commit base && |
| 20 | git repack -Ad && |
| 21 | test_commit loose && |
| 22 | |
| 23 | test-tool chmtime +2000 "$objdir/$(test_oid_to_path \ |
| 24 | $(git rev-parse loose:loose.t))" && |
| 25 | test-tool chmtime +1000 "$objdir/$(test_oid_to_path \ |
| 26 | $(git rev-parse loose^{tree}))" && |
| 27 | |
| 28 | ( |
| 29 | git rev-list --objects --no-object-names base..loose | |
| 30 | while read oid |
| 31 | do |
| 32 | path="$objdir/$(test_oid_to_path "$oid")" && |
| 33 | printf "%s %d\n" "$oid" "$(test-tool chmtime --get "$path")" || |
| 34 | echo "object list generation failed for $oid" |
| 35 | done | |
| 36 | sort -k1 |
| 37 | ) >expect && |
| 38 | |
| 39 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 40 | cruft="$(echo $keep | git pack-objects --cruft \ |
| 41 | --cruft-expiration="$expire" $packdir/pack)" && |
| 42 | test-tool pack-mtimes "pack-$cruft.mtimes" >actual && |
| 43 | |
| 44 | test_cmp expect actual |
| 45 | ) |
| 46 | ' |
| 47 | |
| 48 | test_expect_success "unreachable packed objects are packed (expire $expire)" ' |
| 49 | git init repo && |
| 50 | test_when_finished "rm -fr repo" && |
| 51 | ( |
| 52 | cd repo && |
| 53 | |
| 54 | test_commit packed && |
| 55 | git repack -Ad && |
| 56 | test_commit other && |
| 57 | |
| 58 | git rev-list --objects --no-object-names packed.. >objects && |
| 59 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 60 | other="$(git pack-objects --delta-base-offset \ |
| 61 | $packdir/pack <objects)" && |
| 62 | git prune-packed && |
| 63 | |
| 64 | test-tool chmtime --get -100 "$packdir/pack-$other.pack" >expect && |
| 65 | |
| 66 | cruft="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF |
| 67 | $keep |
| 68 | -pack-$other.pack |
| 69 | EOF |
| 70 | )" && |
| 71 | test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw && |
| 72 | |
| 73 | cut -d" " -f2 <actual.raw | sort -u >actual && |
| 74 | |
| 75 | test_cmp expect actual |
| 76 | ) |
| 77 | ' |
| 78 | |
| 79 | test_expect_success "unreachable cruft objects are repacked (expire $expire)" ' |
| 80 | git init repo && |
| 81 | test_when_finished "rm -fr repo" && |
| 82 | ( |
| 83 | cd repo && |
| 84 | |
| 85 | test_commit packed && |
| 86 | git repack -Ad && |
| 87 | test_commit other && |
| 88 | |
| 89 | git rev-list --objects --no-object-names packed.. >objects && |
| 90 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 91 | |
| 92 | cruft_a="$(echo $keep | git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack)" && |
| 93 | git prune-packed && |
| 94 | cruft_b="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF |
| 95 | $keep |
| 96 | -pack-$cruft_a.pack |
| 97 | EOF |
| 98 | )" && |
| 99 | |
| 100 | test-tool pack-mtimes "pack-$cruft_a.mtimes" >expect.raw && |
| 101 | test-tool pack-mtimes "pack-$cruft_b.mtimes" >actual.raw && |
| 102 | |
| 103 | sort <expect.raw >expect && |
| 104 | sort <actual.raw >actual && |
| 105 | |
| 106 | test_cmp expect actual |
| 107 | ) |
| 108 | ' |
| 109 | |
| 110 | test_expect_success "multiple cruft packs (expire $expire)" ' |
| 111 | git init repo && |
| 112 | test_when_finished "rm -fr repo" && |
| 113 | ( |
| 114 | cd repo && |
| 115 | |
| 116 | test_commit reachable && |
| 117 | git repack -Ad && |
| 118 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 119 | |
| 120 | test_commit cruft && |
| 121 | loose="$objdir/$(test_oid_to_path $(git rev-parse cruft))" && |
| 122 | |
| 123 | # generate three copies of the cruft object in different |
| 124 | # cruft packs, each with a unique mtime: |
| 125 | # - one expired (1000 seconds ago) |
| 126 | # - two non-expired (one 1000 seconds in the future, |
| 127 | # one 1500 seconds in the future) |
| 128 | test-tool chmtime =-1000 "$loose" && |
| 129 | git pack-objects --cruft $packdir/pack-A <<-EOF && |
| 130 | $keep |
| 131 | EOF |
| 132 | test-tool chmtime =+1000 "$loose" && |
| 133 | git pack-objects --cruft $packdir/pack-B <<-EOF && |
| 134 | $keep |
| 135 | -$(basename $(ls $packdir/pack-A-*.pack)) |
| 136 | EOF |
| 137 | test-tool chmtime =+1500 "$loose" && |
| 138 | git pack-objects --cruft $packdir/pack-C <<-EOF && |
| 139 | $keep |
| 140 | -$(basename $(ls $packdir/pack-A-*.pack)) |
| 141 | -$(basename $(ls $packdir/pack-B-*.pack)) |
| 142 | EOF |
| 143 | |
| 144 | # ensure the resulting cruft pack takes the most recent |
| 145 | # mtime among all copies |
| 146 | cruft="$(git pack-objects --cruft \ |
| 147 | --cruft-expiration="$expire" \ |
| 148 | $packdir/pack <<-EOF |
| 149 | $keep |
| 150 | -$(basename $(ls $packdir/pack-A-*.pack)) |
| 151 | -$(basename $(ls $packdir/pack-B-*.pack)) |
| 152 | -$(basename $(ls $packdir/pack-C-*.pack)) |
| 153 | EOF |
| 154 | )" && |
| 155 | |
| 156 | test-tool pack-mtimes "$(basename $(ls $packdir/pack-C-*.mtimes))" >expect.raw && |
| 157 | test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw && |
| 158 | |
| 159 | sort expect.raw >expect && |
| 160 | sort actual.raw >actual && |
| 161 | test_cmp expect actual |
| 162 | ) |
| 163 | ' |
| 164 | |
| 165 | test_expect_success "cruft packs tolerate missing trees (expire $expire)" ' |
| 166 | git init repo && |
| 167 | test_when_finished "rm -fr repo" && |
| 168 | ( |
| 169 | cd repo && |
| 170 | |
| 171 | test_commit reachable && |
| 172 | test_commit cruft && |
| 173 | |
| 174 | tree="$(git rev-parse cruft^{tree})" && |
| 175 | |
| 176 | git reset --hard reachable && |
| 177 | git tag -d cruft && |
| 178 | git reflog expire --all --expire=all && |
| 179 | |
| 180 | # remove the unreachable tree, but leave the commit |
| 181 | # which has it as its root tree intact |
| 182 | rm -fr "$objdir/$(test_oid_to_path "$tree")" && |
| 183 | |
| 184 | git repack -Ad && |
| 185 | basename $(ls $packdir/pack-*.pack) >in && |
| 186 | git pack-objects --cruft --cruft-expiration="$expire" \ |
| 187 | $packdir/pack <in |
| 188 | ) |
| 189 | ' |
| 190 | |
| 191 | test_expect_success "cruft packs tolerate missing blobs (expire $expire)" ' |
| 192 | git init repo && |
| 193 | test_when_finished "rm -fr repo" && |
| 194 | ( |
| 195 | cd repo && |
| 196 | |
| 197 | test_commit reachable && |
| 198 | test_commit cruft && |
| 199 | |
| 200 | blob="$(git rev-parse cruft:cruft.t)" && |
| 201 | |
| 202 | git reset --hard reachable && |
| 203 | git tag -d cruft && |
| 204 | git reflog expire --all --expire=all && |
| 205 | |
| 206 | # remove the unreachable blob, but leave the commit (and |
| 207 | # the root tree of that commit) intact |
| 208 | rm -fr "$objdir/$(test_oid_to_path "$blob")" && |
| 209 | |
| 210 | git repack -Ad && |
| 211 | basename $(ls $packdir/pack-*.pack) >in && |
| 212 | git pack-objects --cruft --cruft-expiration="$expire" \ |
| 213 | $packdir/pack <in |
| 214 | ) |
| 215 | ' |
| 216 | } |
| 217 | |
| 218 | basic_cruft_pack_tests never |
| 219 | basic_cruft_pack_tests 2.weeks.ago |
| 220 | |
| 221 | test_expect_success 'cruft tags rescue tagged objects' ' |
| 222 | git init repo && |
| 223 | test_when_finished "rm -fr repo" && |
| 224 | ( |
| 225 | cd repo && |
| 226 | |
| 227 | test_commit packed && |
| 228 | git repack -Ad && |
| 229 | |
| 230 | test_commit tagged && |
| 231 | git tag -a annotated -m tag && |
| 232 | |
| 233 | git rev-list --objects --no-object-names packed.. >objects && |
| 234 | while read oid |
| 235 | do |
| 236 | test-tool chmtime -1000 \ |
| 237 | "$objdir/$(test_oid_to_path $oid)" || exit 1 |
| 238 | done <objects && |
| 239 | |
| 240 | test-tool chmtime -500 \ |
| 241 | "$objdir/$(test_oid_to_path $(git rev-parse annotated))" && |
| 242 | |
| 243 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 244 | cruft="$(echo $keep | git pack-objects --cruft \ |
| 245 | --cruft-expiration=750.seconds.ago \ |
| 246 | $packdir/pack)" && |
| 247 | test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw && |
| 248 | cut -f1 -d" " <actual.raw | sort >actual && |
| 249 | |
| 250 | ( |
| 251 | cat objects && |
| 252 | git rev-parse annotated |
| 253 | ) >expect.raw && |
| 254 | sort <expect.raw >expect && |
| 255 | |
| 256 | test_cmp expect actual && |
| 257 | cat actual |
| 258 | ) |
| 259 | ' |
| 260 | |
| 261 | test_expect_success 'cruft commits rescue parents, trees' ' |
| 262 | git init repo && |
| 263 | test_when_finished "rm -fr repo" && |
| 264 | ( |
| 265 | cd repo && |
| 266 | |
| 267 | test_commit packed && |
| 268 | git repack -Ad && |
| 269 | |
| 270 | test_commit old && |
| 271 | test_commit new && |
| 272 | |
| 273 | git rev-list --objects --no-object-names packed..new >objects && |
| 274 | while read object |
| 275 | do |
| 276 | test-tool chmtime -1000 \ |
| 277 | "$objdir/$(test_oid_to_path $object)" || exit 1 |
| 278 | done <objects && |
| 279 | test-tool chmtime +500 "$objdir/$(test_oid_to_path \ |
| 280 | $(git rev-parse HEAD))" && |
| 281 | |
| 282 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 283 | cruft="$(echo $keep | git pack-objects --cruft \ |
| 284 | --cruft-expiration=750.seconds.ago \ |
| 285 | $packdir/pack)" && |
| 286 | test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw && |
| 287 | |
| 288 | cut -d" " -f1 <actual.raw | sort >actual && |
| 289 | sort <objects >expect && |
| 290 | |
| 291 | test_cmp expect actual |
| 292 | ) |
| 293 | ' |
| 294 | |
| 295 | test_expect_success 'cruft trees rescue sub-trees, blobs' ' |
| 296 | git init repo && |
| 297 | test_when_finished "rm -fr repo" && |
| 298 | ( |
| 299 | cd repo && |
| 300 | |
| 301 | test_commit packed && |
| 302 | git repack -Ad && |
| 303 | |
| 304 | mkdir -p dir/sub && |
| 305 | echo foo >foo && |
| 306 | echo bar >dir/bar && |
| 307 | echo baz >dir/sub/baz && |
| 308 | |
| 309 | test_tick && |
| 310 | git add . && |
| 311 | git commit -m "pruned" && |
| 312 | |
| 313 | test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD))" && |
| 314 | test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD^{tree}))" && |
| 315 | test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:foo))" && |
| 316 | test-tool chmtime -500 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir))" && |
| 317 | test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/bar))" && |
| 318 | test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub))" && |
| 319 | test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub/baz))" && |
| 320 | |
| 321 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 322 | cruft="$(echo $keep | git pack-objects --cruft \ |
| 323 | --cruft-expiration=750.seconds.ago \ |
| 324 | $packdir/pack)" && |
| 325 | test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw && |
| 326 | cut -f1 -d" " <actual.raw | sort >actual && |
| 327 | |
| 328 | git rev-parse HEAD:dir HEAD:dir/bar HEAD:dir/sub HEAD:dir/sub/baz >expect.raw && |
| 329 | sort <expect.raw >expect && |
| 330 | |
| 331 | test_cmp expect actual |
| 332 | ) |
| 333 | ' |
| 334 | |
| 335 | test_expect_success 'expired objects are pruned' ' |
| 336 | git init repo && |
| 337 | test_when_finished "rm -fr repo" && |
| 338 | ( |
| 339 | cd repo && |
| 340 | |
| 341 | test_commit packed && |
| 342 | git repack -Ad && |
| 343 | |
| 344 | test_commit pruned && |
| 345 | |
| 346 | git rev-list --objects --no-object-names packed..pruned >objects && |
| 347 | while read object |
| 348 | do |
| 349 | test-tool chmtime -1000 \ |
| 350 | "$objdir/$(test_oid_to_path $object)" || exit 1 |
| 351 | done <objects && |
| 352 | |
| 353 | keep="$(basename "$(ls $packdir/pack-*.pack)")" && |
| 354 | cruft="$(echo $keep | git pack-objects --cruft \ |
| 355 | --cruft-expiration=750.seconds.ago \ |
| 356 | $packdir/pack)" && |
| 357 | |
| 358 | test-tool pack-mtimes "pack-$cruft.mtimes" >actual && |
| 359 | test_must_be_empty actual |
| 360 | ) |
| 361 | ' |
| 362 | |
| 363 | test_expect_success 'loose objects mtimes upsert others' ' |
| 364 | git init repo && |
| 365 | test_when_finished "rm -fr repo" && |
| 366 | ( |
| 367 | cd repo && |
| 368 | |
| 369 | test_commit reachable && |
| 370 | git repack -Ad && |
| 371 | git branch -M main && |
| 372 | |
| 373 | git checkout --orphan other && |
| 374 | test_commit cruft && |
| 375 | # incremental repack, leaving existing objects loose (so |
| 376 | # they can be "freshened") |
| 377 | git repack && |
| 378 | |
| 379 | tip="$(git rev-parse cruft)" && |
| 380 | path="$objdir/$(test_oid_to_path "$tip")" && |
| 381 | test-tool chmtime --get +1000 "$path" >expect && |
| 382 | |
| 383 | git checkout main && |
| 384 | git branch -D other && |
| 385 | git tag -d cruft && |
| 386 | git reflog expire --all --expire=all && |
| 387 | |
| 388 | git repack --cruft -d && |
| 389 | |
| 390 | mtimes="$(basename $(ls $packdir/pack-*.mtimes))" && |
| 391 | test-tool pack-mtimes "$mtimes" >actual.raw && |
| 392 | grep "$tip" actual.raw | cut -d" " -f2 >actual && |
| 393 | test_cmp expect actual |
| 394 | ) |
| 395 | ' |
| 396 | |
| 397 | test_expect_success 'expiring cruft objects with git gc' ' |
| 398 | git init repo && |
| 399 | test_when_finished "rm -fr repo" && |
| 400 | ( |
| 401 | cd repo && |
| 402 | |
| 403 | test_commit reachable && |
| 404 | git branch -M main && |
| 405 | git checkout --orphan other && |
| 406 | test_commit unreachable && |
| 407 | |
| 408 | git checkout main && |
| 409 | git branch -D other && |
| 410 | git tag -d unreachable && |
| 411 | # objects are not cruft if they are contained in the reflogs |
| 412 | git reflog expire --all --expire=all && |
| 413 | |
| 414 | git rev-list --objects --all --no-object-names >reachable.raw && |
| 415 | git cat-file --batch-all-objects --batch-check="%(objectname)" >objects && |
| 416 | sort <reachable.raw >reachable && |
| 417 | comm -13 reachable objects >unreachable && |
| 418 | |
| 419 | # Write a cruft pack containing all unreachable objects. |
| 420 | git gc --cruft --prune="01-01-1980" && |
| 421 | |
| 422 | mtimes=$(ls .git/objects/pack/pack-*.mtimes) && |
| 423 | test_path_is_file $mtimes && |
| 424 | |
| 425 | # Prune all unreachable objects from the cruft pack. |
| 426 | git gc --cruft --prune=now && |
| 427 | |
| 428 | git cat-file --batch-all-objects --batch-check="%(objectname)" >objects && |
| 429 | |
| 430 | comm -23 unreachable objects >removed && |
| 431 | test_cmp unreachable removed && |
| 432 | test_path_is_missing $mtimes |
| 433 | ) |
| 434 | ' |
| 435 | |
| 436 | test_expect_success 'cruft --local drops unreachable objects' ' |
| 437 | git init alternate && |
| 438 | git init repo && |
| 439 | test_when_finished "rm -fr alternate repo" && |
| 440 | |
| 441 | test_commit -C alternate base && |
| 442 | # Pack all objects in alternate so that the cruft repack in "repo" sees |
| 443 | # the object it dropped due to `--local` as packed. Otherwise this |
| 444 | # object would not appear packed anywhere (since it is not packed in |
| 445 | # alternate and likewise not part of the cruft pack in the other repo |
| 446 | # because of `--local`). |
| 447 | git -C alternate repack -ad && |
| 448 | |
| 449 | ( |
| 450 | cd repo && |
| 451 | |
| 452 | object="$(git -C ../alternate rev-parse HEAD:base.t)" && |
| 453 | git -C ../alternate cat-file -p $object >contents && |
| 454 | |
| 455 | # Write some reachable objects and two unreachable ones: one |
| 456 | # that the alternate has and another that is unique. |
| 457 | test_commit other && |
| 458 | git hash-object -w -t blob contents && |
| 459 | cruft="$(echo cruft | git hash-object -w -t blob --stdin)" && |
| 460 | |
| 461 | ( cd ../alternate/.git/objects && pwd ) \ |
| 462 | >.git/objects/info/alternates && |
| 463 | |
| 464 | test_path_is_file $objdir/$(test_oid_to_path $cruft) && |
| 465 | test_path_is_file $objdir/$(test_oid_to_path $object) && |
| 466 | |
| 467 | git repack -d --cruft --local && |
| 468 | |
| 469 | test-tool pack-mtimes "$(basename $(ls $packdir/pack-*.mtimes))" \ |
| 470 | >objects && |
| 471 | test_grep ! $object objects && |
| 472 | test_grep $cruft objects |
| 473 | ) |
| 474 | ' |
| 475 | |
| 476 | test_expect_success 'MIDX bitmaps tolerate reachable cruft objects' ' |
| 477 | git init repo && |
| 478 | test_when_finished "rm -fr repo" && |
| 479 | ( |
| 480 | cd repo && |
| 481 | |
| 482 | test_commit reachable && |
| 483 | test_commit cruft && |
| 484 | unreachable="$(git rev-parse cruft)" && |
| 485 | |
| 486 | git reset --hard $unreachable^ && |
| 487 | git tag -d cruft && |
| 488 | git reflog expire --all --expire=all && |
| 489 | |
| 490 | git repack --cruft -d && |
| 491 | |
| 492 | # resurrect the unreachable object via a new commit. the |
| 493 | # new commit will get selected for a bitmap, but be |
| 494 | # missing one of its parents from the selected packs. |
| 495 | git reset --hard $unreachable && |
| 496 | test_commit resurrect && |
| 497 | |
| 498 | git repack --write-midx --write-bitmap-index --geometric=2 -d |
| 499 | ) |
| 500 | ' |
| 501 | |
| 502 | test_expect_success 'cruft objects are freshend via loose' ' |
| 503 | git init repo && |
| 504 | test_when_finished "rm -fr repo" && |
| 505 | ( |
| 506 | cd repo && |
| 507 | |
| 508 | echo "cruft" >contents && |
| 509 | blob="$(git hash-object -w -t blob contents)" && |
| 510 | loose="$objdir/$(test_oid_to_path $blob)" && |
| 511 | |
| 512 | test_commit base && |
| 513 | |
| 514 | git repack --cruft -d && |
| 515 | |
| 516 | test_path_is_missing "$loose" && |
| 517 | test-tool pack-mtimes "$(basename "$(ls $packdir/pack-*.mtimes)")" >cruft && |
| 518 | test_grep "$blob" cruft && |
| 519 | |
| 520 | # write the same object again |
| 521 | git hash-object -w -t blob contents && |
| 522 | |
| 523 | test_path_is_file "$loose" |
| 524 | ) |
| 525 | ' |
| 526 | |
| 527 | test_expect_success 'gc.recentObjectsHook' ' |
| 528 | git init repo && |
| 529 | test_when_finished "rm -fr repo" && |
| 530 | ( |
| 531 | cd repo && |
| 532 | |
| 533 | # Create a handful of objects. |
| 534 | # |
| 535 | # - one reachable commit, "base", designated for the reachable |
| 536 | # pack |
| 537 | # - one unreachable commit, "cruft.discard", which is marked |
| 538 | # for deletion |
| 539 | # - one unreachable commit, "cruft.old", which would be marked |
| 540 | # for deletion, but is rescued as an extra cruft tip |
| 541 | # - one unreachable commit, "cruft.new", which is not marked |
| 542 | # for deletion |
| 543 | test_commit base && |
| 544 | git branch -M main && |
| 545 | |
| 546 | git checkout --orphan discard && |
| 547 | git rm -fr . && |
| 548 | test_commit --no-tag cruft.discard && |
| 549 | |
| 550 | git checkout --orphan old && |
| 551 | git rm -fr . && |
| 552 | test_commit --no-tag cruft.old && |
| 553 | cruft_old="$(git rev-parse HEAD)" && |
| 554 | |
| 555 | git checkout --orphan new && |
| 556 | git rm -fr . && |
| 557 | test_commit --no-tag cruft.new && |
| 558 | cruft_new="$(git rev-parse HEAD)" && |
| 559 | |
| 560 | git checkout main && |
| 561 | git branch -D discard old new && |
| 562 | git reflog expire --all --expire=all && |
| 563 | |
| 564 | # mark cruft.old with an mtime that is many minutes |
| 565 | # older than the expiration period, and mark cruft.new |
| 566 | # with an mtime that is in the future (and thus not |
| 567 | # eligible for pruning). |
| 568 | test-tool chmtime -2000 "$objdir/$(test_oid_to_path $cruft_old)" && |
| 569 | test-tool chmtime +1000 "$objdir/$(test_oid_to_path $cruft_new)" && |
| 570 | |
| 571 | # Write the list of cruft objects we expect to |
| 572 | # accumulate, which is comprised of everything reachable |
| 573 | # from cruft.old and cruft.new, but not cruft.discard. |
| 574 | git rev-list --objects --no-object-names \ |
| 575 | $cruft_old $cruft_new >cruft.raw && |
| 576 | sort cruft.raw >cruft.expect && |
| 577 | |
| 578 | # Write the script to list extra tips, which are limited |
| 579 | # to cruft.old, in this case. |
| 580 | write_script extra-tips <<-EOF && |
| 581 | echo $cruft_old |
| 582 | EOF |
| 583 | git config gc.recentObjectsHook ./extra-tips && |
| 584 | |
| 585 | git repack --cruft --cruft-expiration=now -d && |
| 586 | |
| 587 | mtimes="$(ls .git/objects/pack/pack-*.mtimes)" && |
| 588 | git show-index <${mtimes%.mtimes}.idx >cruft && |
| 589 | cut -d" " -f2 cruft | sort >cruft.actual && |
| 590 | test_cmp cruft.expect cruft.actual && |
| 591 | |
| 592 | # Ensure that the "old" objects are removed after |
| 593 | # dropping the gc.recentObjectsHook hook. |
| 594 | git config --unset gc.recentObjectsHook && |
| 595 | git repack --cruft --cruft-expiration=now -d && |
| 596 | |
| 597 | mtimes="$(ls .git/objects/pack/pack-*.mtimes)" && |
| 598 | git show-index <${mtimes%.mtimes}.idx >cruft && |
| 599 | cut -d" " -f2 cruft | sort >cruft.actual && |
| 600 | |
| 601 | git rev-list --objects --no-object-names $cruft_new >cruft.raw && |
| 602 | cp cruft.expect cruft.old && |
| 603 | sort cruft.raw >cruft.expect && |
| 604 | test_cmp cruft.expect cruft.actual && |
| 605 | |
| 606 | # ensure objects which are no longer in the cruft pack were |
| 607 | # removed from the repository |
| 608 | for object in $(comm -13 cruft.expect cruft.old) |
| 609 | do |
| 610 | test_must_fail git cat-file -t $object || return 1 |
| 611 | done |
| 612 | ) |
| 613 | ' |
| 614 | |
| 615 | test_expect_success 'multi-valued gc.recentObjectsHook' ' |
| 616 | git init repo && |
| 617 | test_when_finished "rm -fr repo" && |
| 618 | ( |
| 619 | cd repo && |
| 620 | |
| 621 | test_commit base && |
| 622 | git branch -M main && |
| 623 | |
| 624 | git checkout --orphan cruft.a && |
| 625 | git rm -fr . && |
| 626 | test_commit --no-tag cruft.a && |
| 627 | cruft_a="$(git rev-parse HEAD)" && |
| 628 | |
| 629 | git checkout --orphan cruft.b && |
| 630 | git rm -fr . && |
| 631 | test_commit --no-tag cruft.b && |
| 632 | cruft_b="$(git rev-parse HEAD)" && |
| 633 | |
| 634 | git checkout main && |
| 635 | git branch -D cruft.a cruft.b && |
| 636 | git reflog expire --all --expire=all && |
| 637 | |
| 638 | echo "echo $cruft_a" | write_script extra-tips.a && |
| 639 | echo "echo $cruft_b" | write_script extra-tips.b && |
| 640 | echo "false" | write_script extra-tips.c && |
| 641 | |
| 642 | git rev-list --objects --no-object-names $cruft_a $cruft_b \ |
| 643 | >cruft.raw && |
| 644 | sort cruft.raw >cruft.expect && |
| 645 | |
| 646 | # ensure that each extra cruft tip is saved by its |
| 647 | # respective hook |
| 648 | git config --add gc.recentObjectsHook ./extra-tips.a && |
| 649 | git config --add gc.recentObjectsHook ./extra-tips.b && |
| 650 | git repack --cruft --cruft-expiration=now -d && |
| 651 | |
| 652 | mtimes="$(ls .git/objects/pack/pack-*.mtimes)" && |
| 653 | git show-index <${mtimes%.mtimes}.idx >cruft && |
| 654 | cut -d" " -f2 cruft | sort >cruft.actual && |
| 655 | test_cmp cruft.expect cruft.actual && |
| 656 | |
| 657 | # ensure that a dirty exit halts cruft pack generation |
| 658 | git config --add gc.recentObjectsHook ./extra-tips.c && |
| 659 | test_must_fail git repack --cruft --cruft-expiration=now -d 2>err && |
| 660 | test_grep "unable to enumerate additional recent objects" err && |
| 661 | |
| 662 | # and that the existing cruft pack is left alone |
| 663 | test_path_is_file "$mtimes" |
| 664 | ) |
| 665 | ' |
| 666 | |
| 667 | test_expect_success 'additional cruft blobs via gc.recentObjectsHook' ' |
| 668 | git init repo && |
| 669 | test_when_finished "rm -fr repo" && |
| 670 | ( |
| 671 | cd repo && |
| 672 | |
| 673 | test_commit base && |
| 674 | |
| 675 | blob=$(echo "unreachable" | git hash-object -w --stdin) && |
| 676 | |
| 677 | # mark the unreachable blob we wrote above as having |
| 678 | # aged out of the retention period |
| 679 | test-tool chmtime -2000 "$objdir/$(test_oid_to_path $blob)" && |
| 680 | |
| 681 | # Write the script to list extra tips, which is just the |
| 682 | # extra blob as above. |
| 683 | write_script extra-tips <<-EOF && |
| 684 | echo $blob |
| 685 | EOF |
| 686 | git config gc.recentObjectsHook ./extra-tips && |
| 687 | |
| 688 | git repack --cruft --cruft-expiration=now -d && |
| 689 | |
| 690 | mtimes="$(ls .git/objects/pack/pack-*.mtimes)" && |
| 691 | git show-index <${mtimes%.mtimes}.idx >cruft && |
| 692 | cut -d" " -f2 cruft >actual && |
| 693 | echo $blob >expect && |
| 694 | test_cmp expect actual |
| 695 | ) |
| 696 | ' |
| 697 | |
| 698 | test_expect_success 'split cruft packs with --max-cruft-size' ' |
| 699 | repo=cruft-with--max-cruft-size && |
| 700 | test_when_finished "rm -fr $repo" && |
| 701 | |
| 702 | git init "$repo" && |
| 703 | |
| 704 | ( |
| 705 | cd "$repo" && |
| 706 | |
| 707 | git config core.compression 0 && |
| 708 | |
| 709 | sz=$((1024 * 1024)) && # 1MiB |
| 710 | test-tool genrandom foo $sz >foo && |
| 711 | test-tool genrandom bar $sz >bar && |
| 712 | foo="$(git hash-object -w -t blob foo)" && |
| 713 | bar="$(git hash-object -w -t blob bar)" && |
| 714 | |
| 715 | to=$packdir/pack && |
| 716 | # Pack together foo and bar into a single 2MiB pack. |
| 717 | pack="$(git pack-objects $to <<-EOF |
| 718 | $foo |
| 719 | $bar |
| 720 | EOF |
| 721 | )" && |
| 722 | |
| 723 | # Then generate a cruft pack containing foo and bar. |
| 724 | # |
| 725 | # Generate the pack with --max-pack-size equal to the |
| 726 | # size of one object, forcing us to write two cruft |
| 727 | # packs. |
| 728 | git pack-objects --cruft --max-pack-size=$sz $to <<-EOF && |
| 729 | -pack-$pack.pack |
| 730 | EOF |
| 731 | |
| 732 | ls $packdir/pack-*.mtimes >crufts && |
| 733 | test_line_count = 2 crufts && |
| 734 | |
| 735 | for cruft in $(cat crufts) |
| 736 | do |
| 737 | test-tool pack-mtimes "$(basename "$cruft")" || return 1 |
| 738 | done >actual.raw && |
| 739 | |
| 740 | cut -d" " -f1 <actual.raw | sort >actual && |
| 741 | sort >expect <<-EOF && |
| 742 | $foo |
| 743 | $bar |
| 744 | EOF |
| 745 | |
| 746 | test_cmp expect actual |
| 747 | ) |
| 748 | ' |
| 749 | |
| 750 | test_done |