t/t7700-repack.sh

   1 #!/bin/sh
   2
   3 test_description='git repack works correctly'
   4
   5 . ./test-lib.sh
   6 . "${TEST_DIRECTORY}/lib-bitmap.sh"
   7 . "${TEST_DIRECTORY}/lib-midx.sh"
   8 . "${TEST_DIRECTORY}/lib-terminal.sh"
   9
  10 commit_and_pack () {
  11         test_commit "$@" 1>&2 &&
  12         incrpackid=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) &&
  13         # Remove any loose object(s) created by test_commit, since they have
  14         # already been packed. Leaving these around can create subtly different
  15         # packs with `pack-objects`'s `--unpacked` option.
  16         git prune-packed 1>&2 &&
  17         echo pack-${incrpackid}.pack
  18 }
  19
  20 test_no_missing_in_packs () {
  21         myidx=$(ls -1 .git/objects/pack/*.idx) &&
  22         test_path_is_file "$myidx" &&
  23         git verify-pack -v alt_objects/pack/*.idx >orig.raw &&
  24         sed -n -e "s/^\($OID_REGEX\).*/\1/p" orig.raw | sort >orig &&
  25         git verify-pack -v $myidx >dest.raw &&
  26         cut -d" " -f1 dest.raw | sort >dest &&
  27         comm -23 orig dest >missing &&
  28         test_must_be_empty missing
  29 }
  30
  31 # we expect $packid and $oid to be defined
  32 test_has_duplicate_object () {
  33         want_duplicate_object="$1"
  34         found_duplicate_object=false
  35         for p in .git/objects/pack/*.idx
  36         do
  37                 idx=$(basename $p)
  38                 test "pack-$packid.idx" = "$idx" && continue
  39                 git verify-pack -v $p >packlist || return $?
  40                 if grep "^$oid" packlist
  41                 then
  42                         found_duplicate_object=true
  43                         echo "DUPLICATE OBJECT FOUND"
  44                         break
  45                 fi
  46         done &&
  47         test "$want_duplicate_object" = "$found_duplicate_object"
  48 }
  49
  50 test_expect_success 'objects in packs marked .keep are not repacked' '
  51         echo content1 >file1 &&
  52         echo content2 >file2 &&
  53         git add . &&
  54         test_tick &&
  55         git commit -m initial_commit &&
  56         # Create two packs
  57         # The first pack will contain all of the objects except one
  58         git rev-list --objects --all >objs &&
  59         grep -v file2 objs | git pack-objects pack &&
  60         # The second pack will contain the excluded object
  61         packid=$(grep file2 objs | git pack-objects pack) &&
  62         >pack-$packid.keep &&
  63         git verify-pack -v pack-$packid.idx >packlist &&
  64         oid=$(head -n 1 packlist | sed -e "s/^\($OID_REGEX\).*/\1/") &&
  65         mv pack-* .git/objects/pack/ &&
  66         git repack -A -d -l &&
  67         git prune-packed &&
  68         test_has_duplicate_object false
  69 '
  70
  71 test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' '
  72         # build on $oid, $packid, and .keep state from previous
  73         GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 git repack -Adbl &&
  74         test_has_duplicate_object true
  75 '
  76
  77 test_expect_success 'writing bitmaps via config can duplicate .keep objects' '
  78         # build on $oid, $packid, and .keep state from previous
  79         GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
  80                 git -c repack.writebitmaps=true repack -Adl &&
  81         test_has_duplicate_object true
  82 '
  83
  84 test_expect_success 'loose objects in alternate ODB are not repacked' '
  85         mkdir alt_objects &&
  86         echo $(pwd)/alt_objects >.git/objects/info/alternates &&
  87         echo content3 >file3 &&
  88         oid=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
  89         git add file3 &&
  90         test_tick &&
  91         git commit -m commit_file3 &&
  92         git repack -a -d -l &&
  93         git prune-packed &&
  94         test_has_duplicate_object false
  95 '
  96
  97 test_expect_success SYMLINKS '--local keeps packs when alternate is objectdir ' '
  98         test_when_finished "rm -rf repo" &&
  99         git init repo &&
 100         test_commit -C repo A &&
 101         (
 102                 cd repo &&
 103                 git repack -a &&
 104                 ls .git/objects/pack/*.pack >../expect &&
 105                 ln -s objects .git/alt_objects &&
 106                 echo "$(pwd)/.git/alt_objects" >.git/objects/info/alternates &&
 107                 git repack -a -d -l &&
 108                 ls .git/objects/pack/*.pack >../actual
 109         ) &&
 110         test_cmp expect actual
 111 '
 112
 113 test_expect_success '--local disables writing bitmaps when connected to alternate ODB' '
 114         test_when_finished "rm -rf shared member" &&
 115
 116         git init shared &&
 117         git clone --shared shared member &&
 118         (
 119                 cd member &&
 120                 test_commit "object" &&
 121                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adl --write-bitmap-index 2>err &&
 122                 cat >expect <<-EOF &&
 123                 warning: disabling bitmap writing, as some objects are not being packed
 124                 EOF
 125                 test_cmp expect err &&
 126                 test_path_is_missing .git/objects/pack-*.bitmap
 127         )
 128 '
 129
 130 test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
 131         mkdir alt_objects/pack &&
 132         mv .git/objects/pack/* alt_objects/pack &&
 133         git repack -a &&
 134         test_no_missing_in_packs
 135 '
 136
 137 test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
 138         rm -f .git/objects/pack/* &&
 139         echo new_content >>file1 &&
 140         git add file1 &&
 141         test_tick &&
 142         git commit -m more_content &&
 143         git repack &&
 144         git repack -a -d &&
 145         test_no_missing_in_packs
 146 '
 147
 148 test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
 149         # swap the .keep so the commit object is in the pack with .keep
 150         for p in alt_objects/pack/*.pack
 151         do
 152                 base_name=$(basename $p .pack) &&
 153                 if test_path_is_file alt_objects/pack/$base_name.keep
 154                 then
 155                         rm alt_objects/pack/$base_name.keep
 156                 else
 157                         touch alt_objects/pack/$base_name.keep
 158                 fi || return 1
 159         done &&
 160         git repack -a -d &&
 161         test_no_missing_in_packs
 162 '
 163
 164 test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
 165         rm -f alt_objects/pack/*.keep &&
 166         mv .git/objects/pack/* alt_objects/pack/ &&
 167         coid=$(git rev-parse HEAD^{commit}) &&
 168         git reset --hard HEAD^ &&
 169         test_tick &&
 170         git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 171         # The pack-objects call on the next line is equivalent to
 172         # git repack -A -d without the call to prune-packed
 173         git pack-objects --honor-pack-keep --non-empty --all --reflog \
 174             --unpack-unreachable </dev/null pack &&
 175         rm -f .git/objects/pack/* &&
 176         mv pack-* .git/objects/pack/ &&
 177         git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
 178         ! grep "^$coid " packlist &&
 179         echo >.git/objects/info/alternates &&
 180         test_must_fail git show $coid
 181 '
 182
 183 test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
 184         echo $(pwd)/alt_objects >.git/objects/info/alternates &&
 185         echo "$coid" | git pack-objects --non-empty --all --reflog pack &&
 186         rm -f .git/objects/pack/* &&
 187         mv pack-* .git/objects/pack/ &&
 188         # The pack-objects call on the next line is equivalent to
 189         # git repack -A -d without the call to prune-packed
 190         git pack-objects --honor-pack-keep --non-empty --all --reflog \
 191             --unpack-unreachable </dev/null pack &&
 192         rm -f .git/objects/pack/* &&
 193         mv pack-* .git/objects/pack/ &&
 194         git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
 195         ! grep "^$coid " &&
 196         echo >.git/objects/info/alternates &&
 197         test_must_fail git show $coid
 198 '
 199
 200 test_expect_success 'objects made unreachable by grafts only are kept' '
 201         test_tick &&
 202         git commit --allow-empty -m "commit 4" &&
 203         H0=$(git rev-parse HEAD) &&
 204         H1=$(git rev-parse HEAD^) &&
 205         H2=$(git rev-parse HEAD^^) &&
 206         echo "$H0 $H2" >.git/info/grafts &&
 207         git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 208         git repack -a -d &&
 209         git cat-file -t $H1
 210 '
 211
 212 test_expect_success 'repack --keep-pack' '
 213         test_create_repo keep-pack &&
 214         (
 215                 cd keep-pack &&
 216                 # avoid producing difference packs to delta/base choices
 217                 git config pack.window 0 &&
 218                 P1=$(commit_and_pack 1) &&
 219                 P2=$(commit_and_pack 2) &&
 220                 P3=$(commit_and_pack 3) &&
 221                 P4=$(commit_and_pack 4) &&
 222                 ls .git/objects/pack/*.pack >old-counts &&
 223                 test_line_count = 4 old-counts &&
 224                 git repack -a -d --keep-pack $P1 --keep-pack $P4 &&
 225                 ls .git/objects/pack/*.pack >new-counts &&
 226                 grep -q $P1 new-counts &&
 227                 grep -q $P4 new-counts &&
 228                 test_line_count = 3 new-counts &&
 229                 git fsck &&
 230
 231                 P5=$(commit_and_pack --no-tag 5) &&
 232                 git reset --hard HEAD^ &&
 233                 git reflog expire --all --expire=all &&
 234                 rm -f ".git/objects/pack/${P5%.pack}.idx" &&
 235                 rm -f ".git/objects/info/commit-graph" &&
 236                 for from in $(find .git/objects/pack -type f -name "${P5%.pack}.*")
 237                 do
 238                         to="$(dirname "$from")/.tmp-1234-$(basename "$from")" &&
 239                         mv "$from" "$to" || return 1
 240                 done &&
 241
 242                 git repack --cruft -d --keep-pack $P1 --keep-pack $P4 &&
 243
 244                 ls .git/objects/pack/*.pack >newer-counts &&
 245                 test_cmp new-counts newer-counts &&
 246                 git fsck
 247         )
 248 '
 249
 250 test_expect_success 'bitmaps are created by default in bare repos' '
 251         git clone --bare .git bare.git &&
 252         rm -f bare.git/objects/pack/*.bitmap &&
 253         GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
 254                 git -C bare.git repack -ad &&
 255         bitmap=$(ls bare.git/objects/pack/*.bitmap) &&
 256         test_path_is_file "$bitmap"
 257 '
 258
 259 test_expect_success 'incremental repack does not complain' '
 260         git -C bare.git repack -q 2>repack.err &&
 261         test_must_be_empty repack.err
 262 '
 263
 264 test_expect_success 'bitmaps can be disabled on bare repos' '
 265         GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
 266                 git -c repack.writeBitmaps=false -C bare.git repack -ad &&
 267         bitmap=$(ls bare.git/objects/pack/*.bitmap || :) &&
 268         test -z "$bitmap"
 269 '
 270
 271 test_expect_success 'no bitmaps created if .keep files present' '
 272         pack=$(ls bare.git/objects/pack/*.pack) &&
 273         test_path_is_file "$pack" &&
 274         keep=${pack%.pack}.keep &&
 275         test_when_finished "rm -f \"\$keep\"" &&
 276         >"$keep" &&
 277         GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
 278                 git -C bare.git repack -ad 2>stderr &&
 279         test_must_be_empty stderr &&
 280         find bare.git/objects/pack/ -type f -name "*.bitmap" >actual &&
 281         test_must_be_empty actual
 282 '
 283
 284 test_expect_success 'auto-bitmaps do not complain if unavailable' '
 285         test_config -C bare.git pack.packSizeLimit 1M &&
 286         blob=$(test-tool genrandom big $((1024*1024)) |
 287                git -C bare.git hash-object -w --stdin) &&
 288         git -C bare.git update-ref refs/tags/big $blob &&
 289         GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
 290                 git -C bare.git repack -ad 2>stderr &&
 291         test_must_be_empty stderr &&
 292         find bare.git/objects/pack -type f -name "*.bitmap" >actual &&
 293         test_must_be_empty actual
 294 '
 295
 296 objdir=.git/objects
 297 midx=$objdir/pack/multi-pack-index
 298
 299 test_expect_success 'setup for --write-midx tests' '
 300         git init midx &&
 301         (
 302                 cd midx &&
 303                 git config core.multiPackIndex true &&
 304
 305                 test_commit base
 306         )
 307 '
 308
 309 test_expect_success '--write-midx unchanged' '
 310         (
 311                 cd midx &&
 312                 GIT_TEST_MULTI_PACK_INDEX=0 git repack &&
 313                 test_path_is_missing $midx &&
 314                 test_path_is_missing $midx-*.bitmap &&
 315
 316                 GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
 317
 318                 test_path_is_file $midx &&
 319                 test_path_is_missing $midx-*.bitmap &&
 320                 test_midx_consistent $objdir
 321         )
 322 '
 323
 324 test_expect_success '--write-midx with a new pack' '
 325         (
 326                 cd midx &&
 327                 test_commit loose &&
 328
 329                 GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
 330
 331                 test_path_is_file $midx &&
 332                 test_path_is_missing $midx-*.bitmap &&
 333                 test_midx_consistent $objdir
 334         )
 335 '
 336
 337 test_expect_success '--write-midx with -b' '
 338         (
 339                 cd midx &&
 340                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -mb &&
 341
 342                 test_path_is_file $midx &&
 343                 test_path_is_file $midx-*.bitmap &&
 344                 test_midx_consistent $objdir
 345         )
 346 '
 347
 348 test_expect_success '--write-midx with -d' '
 349         (
 350                 cd midx &&
 351                 test_commit repack &&
 352
 353                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ad --write-midx &&
 354
 355                 test_path_is_file $midx &&
 356                 test_path_is_missing $midx-*.bitmap &&
 357                 test_midx_consistent $objdir
 358         )
 359 '
 360
 361 test_expect_success 'cleans up MIDX when appropriate' '
 362         (
 363                 cd midx &&
 364
 365                 test_commit repack-2 &&
 366                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
 367
 368                 checksum=$(midx_checksum $objdir) &&
 369                 test_path_is_file $midx &&
 370                 test_path_is_file $midx-$checksum.bitmap &&
 371
 372                 test_commit repack-3 &&
 373                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
 374
 375                 test_path_is_file $midx &&
 376                 test_path_is_missing $midx-$checksum.bitmap &&
 377                 test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
 378
 379                 test_commit repack-4 &&
 380                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb &&
 381
 382                 find $objdir/pack -type f -name "multi-pack-index*" >files &&
 383                 test_must_be_empty files
 384         )
 385 '
 386
 387 test_expect_success '--write-midx with preferred bitmap tips' '
 388         git init midx-preferred-tips &&
 389         test_when_finished "rm -fr midx-preferred-tips" &&
 390         (
 391                 cd midx-preferred-tips &&
 392
 393                 test_commit_bulk --message="%s" 103 &&
 394
 395                 git log --format="%H" >commits.raw &&
 396                 sort <commits.raw >commits &&
 397
 398                 git log --format="create refs/tags/%s/%s %H" HEAD >refs &&
 399                 git update-ref --stdin <refs &&
 400
 401                 git repack --write-midx --write-bitmap-index &&
 402                 test_path_is_file $midx &&
 403                 test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
 404
 405                 test-tool bitmap list-commits | sort >bitmaps &&
 406                 comm -13 bitmaps commits >before &&
 407                 test_line_count = 1 before &&
 408
 409                 rm -fr $midx-$(midx_checksum $objdir).bitmap &&
 410                 rm -fr $midx &&
 411
 412                 # instead of constructing the snapshot ourselves (c.f., the test
 413                 # "write a bitmap with --refs-snapshot (preferred tips)" in
 414                 # t5326), mark the missing commit as preferred by adding it to
 415                 # the pack.preferBitmapTips configuration.
 416                 git for-each-ref --format="%(refname:rstrip=1)" \
 417                         --points-at="$(cat before)" >missing &&
 418                 git config pack.preferBitmapTips "$(cat missing)" &&
 419                 git repack --write-midx --write-bitmap-index &&
 420
 421                 test-tool bitmap list-commits | sort >bitmaps &&
 422                 comm -13 bitmaps commits >after &&
 423
 424                 ! test_cmp before after
 425         )
 426 '
 427
 428 # The first argument is expected to be a filename
 429 # and that file should contain the name of a .idx
 430 # file. Send the list of objects in that .idx file
 431 # into stdout.
 432 get_sorted_objects_from_pack () {
 433         git show-index <$(cat "$1") >raw &&
 434         cut -d" " -f2 raw
 435 }
 436
 437 test_expect_success '--write-midx -b packs non-kept objects' '
 438         git init repo &&
 439         test_when_finished "rm -fr repo" &&
 440         (
 441                 cd repo &&
 442
 443                 # Create a kept pack-file
 444                 test_commit base &&
 445                 git repack -ad &&
 446                 find $objdir/pack -name "*.idx" >before &&
 447                 test_line_count = 1 before &&
 448                 before_name=$(cat before) &&
 449                 >${before_name%.idx}.keep &&
 450
 451                 # Create a non-kept pack-file
 452                 test_commit other &&
 453                 git repack &&
 454
 455                 # Create loose objects
 456                 test_commit loose &&
 457
 458                 # Repack everything
 459                 git repack --write-midx -a -b -d &&
 460
 461                 # There should be two pack-files now, the
 462                 # old, kept pack and the new, non-kept pack.
 463                 find $objdir/pack -name "*.idx" | sort >after &&
 464                 test_line_count = 2 after &&
 465                 find $objdir/pack -name "*.keep" >kept &&
 466                 kept_name=$(cat kept) &&
 467                 echo ${kept_name%.keep}.idx >kept-idx &&
 468                 test_cmp before kept-idx &&
 469
 470                 # Get object list from the kept pack.
 471                 get_sorted_objects_from_pack before >old.objects &&
 472
 473                 # Get object list from the one non-kept pack-file
 474                 comm -13 before after >new-pack &&
 475                 test_line_count = 1 new-pack &&
 476                 get_sorted_objects_from_pack new-pack >new.objects &&
 477
 478                 # None of the objects in the new pack should
 479                 # exist within the kept pack.
 480                 comm -12 old.objects new.objects >shared.objects &&
 481                 test_must_be_empty shared.objects
 482         )
 483 '
 484
 485 test_expect_success '--write-midx removes stale pack-based bitmaps' '
 486         rm -fr repo &&
 487         git init repo &&
 488         test_when_finished "rm -fr repo" &&
 489         (
 490                 cd repo &&
 491                 test_commit base &&
 492                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ab &&
 493
 494                 pack_bitmap=$(ls $objdir/pack/pack-*.bitmap) &&
 495                 test_path_is_file "$pack_bitmap" &&
 496
 497                 test_commit tip &&
 498                 GIT_TEST_MULTI_PACK_INDEX=0 git repack -bm &&
 499
 500                 test_path_is_file $midx &&
 501                 test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
 502                 test_path_is_missing $pack_bitmap
 503         )
 504 '
 505
 506 test_expect_success '--write-midx with --pack-kept-objects' '
 507         git init repo &&
 508         test_when_finished "rm -fr repo" &&
 509         (
 510                 cd repo &&
 511
 512                 test_commit one &&
 513                 test_commit two &&
 514
 515                 one="$(echo "one" | git pack-objects --revs $objdir/pack/pack)" &&
 516                 two="$(echo "one..two" | git pack-objects --revs $objdir/pack/pack)" &&
 517
 518                 keep="$objdir/pack/pack-$one.keep" &&
 519                 touch "$keep" &&
 520
 521                 git repack --write-midx --write-bitmap-index --geometric=2 -d \
 522                         --pack-kept-objects &&
 523
 524                 test_path_is_file $keep &&
 525                 test_path_is_file $midx &&
 526                 test_path_is_file $midx-$(midx_checksum $objdir).bitmap
 527         )
 528 '
 529
 530 test_expect_success TTY '--quiet disables progress' '
 531         test_terminal env GIT_PROGRESS_DELAY=0 \
 532                 git -C midx repack -ad --quiet --write-midx 2>stderr &&
 533         test_must_be_empty stderr
 534 '
 535
 536 test_expect_success 'clean up .tmp-* packs on error' '
 537         test_must_fail ok=sigpipe git \
 538                 -c repack.cruftwindow=bogus \
 539                 repack -ad --cruft &&
 540         find $objdir/pack -name '.tmp-*' >tmpfiles &&
 541         test_must_be_empty tmpfiles
 542 '
 543
 544 test_expect_success 'repack -ad cleans up old .tmp-* packs' '
 545         git rev-parse HEAD >input &&
 546         git pack-objects $objdir/pack/.tmp-1234 <input &&
 547         git repack -ad &&
 548         find $objdir/pack -name '.tmp-*' >tmpfiles &&
 549         test_must_be_empty tmpfiles
 550 '
 551
 552 test_expect_success 'setup for update-server-info' '
 553         git init update-server-info &&
 554         test_commit -C update-server-info message
 555 '
 556
 557 test_server_info_present () {
 558         test_path_is_file update-server-info/.git/objects/info/packs &&
 559         test_path_is_file update-server-info/.git/info/refs
 560 }
 561
 562 test_server_info_missing () {
 563         test_path_is_missing update-server-info/.git/objects/info/packs &&
 564         test_path_is_missing update-server-info/.git/info/refs
 565 }
 566
 567 test_server_info_cleanup () {
 568         rm -f update-server-info/.git/objects/info/packs update-server-info/.git/info/refs &&
 569         test_server_info_missing
 570 }
 571
 572 test_expect_success 'updates server info by default' '
 573         test_server_info_cleanup &&
 574         git -C update-server-info repack &&
 575         test_server_info_present
 576 '
 577
 578 test_expect_success '-n skips updating server info' '
 579         test_server_info_cleanup &&
 580         git -C update-server-info repack -n &&
 581         test_server_info_missing
 582 '
 583
 584 test_expect_success 'repack.updateServerInfo=true updates server info' '
 585         test_server_info_cleanup &&
 586         git -C update-server-info -c repack.updateServerInfo=true repack &&
 587         test_server_info_present
 588 '
 589
 590 test_expect_success 'repack.updateServerInfo=false skips updating server info' '
 591         test_server_info_cleanup &&
 592         git -C update-server-info -c repack.updateServerInfo=false repack &&
 593         test_server_info_missing
 594 '
 595
 596 test_expect_success '-n overrides repack.updateServerInfo=true' '
 597         test_server_info_cleanup &&
 598         git -C update-server-info -c repack.updateServerInfo=true repack -n &&
 599         test_server_info_missing
 600 '
 601
 602 test_expect_success '--expire-to stores pruned objects (now)' '
 603         git init expire-to-now &&
 604         (
 605                 cd expire-to-now &&
 606
 607                 git branch -M main &&
 608
 609                 test_commit base &&
 610
 611                 git checkout -b cruft &&
 612                 test_commit --no-tag cruft &&
 613
 614                 git rev-list --objects --no-object-names main..cruft >moved.raw &&
 615                 sort moved.raw >moved.want &&
 616
 617                 git rev-list --all --objects --no-object-names >expect.raw &&
 618                 sort expect.raw >expect &&
 619
 620                 git checkout main &&
 621                 git branch -D cruft &&
 622                 git reflog expire --all --expire=all &&
 623
 624                 git init --bare expired.git &&
 625                 git repack -d \
 626                         --cruft --cruft-expiration="now" \
 627                         --expire-to="expired.git/objects/pack/pack" &&
 628
 629                 expired="$(ls expired.git/objects/pack/pack-*.idx)" &&
 630                 test_path_is_file "${expired%.idx}.mtimes" &&
 631
 632                 # Since the `--cruft-expiration` is "now", the effective
 633                 # behavior is to move _all_ unreachable objects out to
 634                 # the location in `--expire-to`.
 635                 git show-index <$expired >expired.raw &&
 636                 cut -d" " -f2 expired.raw | sort >expired.objects &&
 637                 git rev-list --all --objects --no-object-names \
 638                         >remaining.objects &&
 639
 640                 # ...in other words, the combined contents of this
 641                 # repository and expired.git should be the same as the
 642                 # set of objects we started with.
 643                 cat expired.objects remaining.objects | sort >actual &&
 644                 test_cmp expect actual &&
 645
 646                 # The "moved" objects (i.e., those in expired.git)
 647                 # should be the same as the cruft objects which were
 648                 # expired in the previous step.
 649                 test_cmp moved.want expired.objects
 650         )
 651 '
 652
 653 test_expect_success '--expire-to stores pruned objects (5.minutes.ago)' '
 654         git init expire-to-5.minutes.ago &&
 655         (
 656                 cd expire-to-5.minutes.ago &&
 657
 658                 git branch -M main &&
 659
 660                 test_commit base &&
 661
 662                 # Create two classes of unreachable objects, one which
 663                 # is older than 5 minutes (stale), and another which is
 664                 # newer (recent).
 665                 for kind in stale recent
 666                 do
 667                         git checkout -b $kind main &&
 668                         test_commit --no-tag $kind || return 1
 669                 done &&
 670
 671                 git rev-list --objects --no-object-names main..stale >in &&
 672                 stale="$(git pack-objects $objdir/pack/pack <in)" &&
 673                 mtime="$(test-tool chmtime --get =-600 $objdir/pack/pack-$stale.pack)" &&
 674
 675                 # expect holds the set of objects we expect to find in
 676                 # this repository after repacking
 677                 git rev-list --objects --no-object-names recent >expect.raw &&
 678                 sort expect.raw >expect &&
 679
 680                 # moved.want holds the set of objects we expect to find
 681                 # in expired.git
 682                 git rev-list --objects --no-object-names main..stale >out &&
 683                 sort out >moved.want &&
 684
 685                 git checkout main &&
 686                 git branch -D stale recent &&
 687                 git reflog expire --all --expire=all &&
 688                 git prune-packed &&
 689
 690                 git init --bare expired.git &&
 691                 git repack -d \
 692                         --cruft --cruft-expiration=5.minutes.ago \
 693                         --expire-to="expired.git/objects/pack/pack" &&
 694
 695                 # Some of the remaining objects in this repository are
 696                 # unreachable, so use `cat-file --batch-all-objects`
 697                 # instead of `rev-list` to get their names
 698                 git cat-file --batch-all-objects --batch-check="%(objectname)" \
 699                         >remaining.objects &&
 700                 sort remaining.objects >actual &&
 701                 test_cmp expect actual &&
 702
 703                 (
 704                         cd expired.git &&
 705
 706                         expired="$(ls objects/pack/pack-*.mtimes)" &&
 707                         test-tool pack-mtimes $(basename $expired) >out &&
 708                         cut -d" " -f1 out | sort >../moved.got &&
 709
 710                         # Ensure that there are as many objects with the
 711                         # expected mtime as were moved to expired.git.
 712                         #
 713                         # In other words, ensure that the recorded
 714                         # mtimes of any moved objects was written
 715                         # correctly.
 716                         grep " $mtime$" out >matching &&
 717                         test_line_count = $(wc -l <../moved.want) matching
 718                 ) &&
 719                 test_cmp moved.want moved.got
 720         )
 721 '
 722
 723 test_done