t/t1410-reflog.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Junio C Hamano
   4 #
   5
   6 test_description='Test prune and reflog expiration'
   7 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   8 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   9
  10 TEST_PASSES_SANITIZE_LEAK=true
  11 . ./test-lib.sh
  12
  13 check_have () {
  14         gaah= &&
  15         for N in "$@"
  16         do
  17                 eval "o=\$$N" && git cat-file -t $o || {
  18                         echo Gaah $N
  19                         gaah=$N
  20                         break
  21                 }
  22         done &&
  23         test -z "$gaah"
  24 }
  25
  26 check_fsck () {
  27         git fsck --full >fsck.output
  28         case "$1" in
  29         '')
  30                 test_must_be_empty fsck.output ;;
  31         *)
  32                 test_grep "$1" fsck.output ;;
  33         esac
  34 }
  35
  36 corrupt () {
  37         mv .git/objects/$(test_oid_to_path $1) .git/$1
  38 }
  39
  40 recover () {
  41         aa=$(echo $1 | cut -c 1-2)
  42         mkdir -p .git/objects/$aa
  43         mv .git/$1 .git/objects/$(test_oid_to_path $1)
  44 }
  45
  46 check_dont_have () {
  47         gaah= &&
  48         for N in "$@"
  49         do
  50                 eval "o=\$$N"
  51                 git cat-file -t $o && {
  52                         echo Gaah $N
  53                         gaah=$N
  54                         break
  55                 }
  56         done
  57         test -z "$gaah"
  58 }
  59
  60 test_expect_success setup '
  61         mkdir -p A/B &&
  62         echo rat >C &&
  63         echo ox >A/D &&
  64         echo tiger >A/B/E &&
  65         git add . &&
  66
  67         test_tick && git commit -m rabbit &&
  68         H=$(git rev-parse --verify HEAD) &&
  69         A=$(git rev-parse --verify HEAD:A) &&
  70         B=$(git rev-parse --verify HEAD:A/B) &&
  71         C=$(git rev-parse --verify HEAD:C) &&
  72         D=$(git rev-parse --verify HEAD:A/D) &&
  73         E=$(git rev-parse --verify HEAD:A/B/E) &&
  74         check_fsck &&
  75
  76         test_chmod +x C &&
  77         git add C &&
  78         test_tick && git commit -m dragon &&
  79         L=$(git rev-parse --verify HEAD) &&
  80         check_fsck &&
  81
  82         rm -f C A/B/E &&
  83         echo snake >F &&
  84         echo horse >A/G &&
  85         git add F A/G &&
  86         test_tick && git commit -a -m sheep &&
  87         F=$(git rev-parse --verify HEAD:F) &&
  88         G=$(git rev-parse --verify HEAD:A/G) &&
  89         I=$(git rev-parse --verify HEAD:A) &&
  90         J=$(git rev-parse --verify HEAD) &&
  91         check_fsck &&
  92
  93         rm -f A/G &&
  94         test_tick && git commit -a -m monkey &&
  95         K=$(git rev-parse --verify HEAD) &&
  96         check_fsck &&
  97
  98         check_have A B C D E F G H I J K L &&
  99
 100         git prune &&
 101
 102         check_have A B C D E F G H I J K L &&
 103
 104         check_fsck &&
 105
 106         git reflog refs/heads/main >output &&
 107         test_line_count = 4 output
 108 '
 109
 110 test_expect_success 'correct usage on sub-command -h' '
 111         test_expect_code 129 git reflog expire -h >err &&
 112         grep "git reflog expire" err
 113 '
 114
 115 test_expect_success 'correct usage on "git reflog show -h"' '
 116         test_expect_code 129 git reflog show -h >err &&
 117         grep -F "git reflog [show]" err
 118 '
 119
 120 test_expect_success 'pass through -- to sub-command' '
 121         test_when_finished "rm -rf repo" &&
 122         git init repo &&
 123         test_commit -C repo message --a-file contents dash-tag &&
 124
 125         git -C repo reflog show -- --does-not-exist >out &&
 126         test_must_be_empty out &&
 127         git -C repo reflog show >expect &&
 128         git -C repo reflog show -- --a-file >actual &&
 129         test_cmp expect actual
 130 '
 131
 132 test_expect_success rewind '
 133         test_tick && git reset --hard HEAD~2 &&
 134         test -f C &&
 135         test -f A/B/E &&
 136         ! test -f F &&
 137         ! test -f A/G &&
 138
 139         check_have A B C D E F G H I J K L &&
 140
 141         git prune &&
 142
 143         check_have A B C D E F G H I J K L &&
 144
 145         git reflog refs/heads/main >output &&
 146         test_line_count = 5 output
 147 '
 148
 149 test_expect_success 'reflog expire should not barf on an annotated tag' '
 150         test_when_finished "git tag -d v0.tag || :" &&
 151         git -c core.logAllRefUpdates=always \
 152                 tag -a -m "tag name" v0.tag main &&
 153         git reflog expire --dry-run refs/tags/v0.tag 2>err &&
 154         test_grep ! "error: [Oo]bject .* not a commit" err
 155 '
 156
 157 test_expect_success 'corrupt and check' '
 158
 159         corrupt $F &&
 160         check_fsck "missing blob $F"
 161
 162 '
 163
 164 test_expect_success 'reflog expire --dry-run should not touch reflog' '
 165
 166         git reflog expire --dry-run \
 167                 --expire=$(($test_tick - 10000)) \
 168                 --expire-unreachable=$(($test_tick - 10000)) \
 169                 --stale-fix \
 170                 --all &&
 171
 172         git reflog refs/heads/main >output &&
 173         test_line_count = 5 output &&
 174
 175         check_fsck "missing blob $F"
 176 '
 177
 178 test_expect_success 'reflog expire' '
 179
 180         git reflog expire --verbose \
 181                 --expire=$(($test_tick - 10000)) \
 182                 --expire-unreachable=$(($test_tick - 10000)) \
 183                 --stale-fix \
 184                 --all &&
 185
 186         git reflog refs/heads/main >output &&
 187         test_line_count = 2 output &&
 188
 189         check_fsck "dangling commit $K"
 190 '
 191
 192 test_expect_success '--stale-fix handles missing objects generously' '
 193         git -c core.logAllRefUpdates=false fast-import --date-format=now <<-EOS &&
 194         commit refs/heads/stale-fix
 195         mark :1
 196         committer Author <a@uth.or> now
 197         data <<EOF
 198         start stale fix
 199         EOF
 200         M 100644 inline file
 201         data <<EOF
 202         contents
 203         EOF
 204         commit refs/heads/stale-fix
 205         committer Author <a@uth.or> now
 206         data <<EOF
 207         stale fix branch tip
 208         EOF
 209         from :1
 210         EOS
 211
 212         parent_oid=$(git rev-parse stale-fix^) &&
 213         test_when_finished "recover $parent_oid" &&
 214         corrupt $parent_oid &&
 215         git reflog expire --stale-fix
 216 '
 217
 218 test_expect_success 'prune and fsck' '
 219
 220         git prune &&
 221         check_fsck &&
 222
 223         check_have A B C D E H L &&
 224         check_dont_have F G I J K
 225
 226 '
 227
 228 test_expect_success 'recover and check' '
 229
 230         recover $F &&
 231         check_fsck "dangling blob $F"
 232
 233 '
 234
 235 test_expect_success 'delete' '
 236         echo 1 > C &&
 237         test_tick &&
 238         git commit -m rat C &&
 239
 240         echo 2 > C &&
 241         test_tick &&
 242         git commit -m ox C &&
 243
 244         echo 3 > C &&
 245         test_tick &&
 246         git commit -m tiger C &&
 247
 248         HEAD_entry_count=$(git reflog | wc -l) &&
 249         main_entry_count=$(git reflog show main | wc -l) &&
 250
 251         test $HEAD_entry_count = 5 &&
 252         test $main_entry_count = 5 &&
 253
 254
 255         git reflog delete main@{1} &&
 256         git reflog show main > output &&
 257         test_line_count = $(($main_entry_count - 1)) output &&
 258         test $HEAD_entry_count = $(git reflog | wc -l) &&
 259         ! grep ox < output &&
 260
 261         main_entry_count=$(wc -l < output) &&
 262
 263         git reflog delete HEAD@{1} &&
 264         test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
 265         test $main_entry_count = $(git reflog show main | wc -l) &&
 266
 267         HEAD_entry_count=$(git reflog | wc -l) &&
 268
 269         git reflog delete main@{07.04.2005.15:15:00.-0700} &&
 270         git reflog show main > output &&
 271         test_line_count = $(($main_entry_count - 1)) output &&
 272         ! grep dragon < output
 273
 274 '
 275
 276 test_expect_success 'rewind2' '
 277
 278         test_tick && git reset --hard HEAD~2 &&
 279         git reflog refs/heads/main >output &&
 280         test_line_count = 4 output
 281 '
 282
 283 test_expect_success '--expire=never' '
 284
 285         git reflog expire --verbose \
 286                 --expire=never \
 287                 --expire-unreachable=never \
 288                 --all &&
 289         git reflog refs/heads/main >output &&
 290         test_line_count = 4 output
 291 '
 292
 293 test_expect_success 'gc.reflogexpire=never' '
 294         test_config gc.reflogexpire never &&
 295         test_config gc.reflogexpireunreachable never &&
 296
 297         git reflog expire --verbose --all >output &&
 298         test_line_count = 9 output &&
 299
 300         git reflog refs/heads/main >output &&
 301         test_line_count = 4 output
 302 '
 303
 304 test_expect_success 'gc.reflogexpire=false' '
 305         test_config gc.reflogexpire false &&
 306         test_config gc.reflogexpireunreachable false &&
 307
 308         git reflog expire --verbose --all &&
 309         git reflog refs/heads/main >output &&
 310         test_line_count = 4 output
 311
 312 '
 313
 314 test_expect_success 'git reflog expire unknown reference' '
 315         test_config gc.reflogexpire never &&
 316         test_config gc.reflogexpireunreachable never &&
 317
 318         test_must_fail git reflog expire main@{123} 2>stderr &&
 319         test_grep "points nowhere" stderr &&
 320         test_must_fail git reflog expire does-not-exist 2>stderr &&
 321         test_grep "points nowhere" stderr
 322 '
 323
 324 test_expect_success 'checkout should not delete log for packed ref' '
 325         test $(git reflog main | wc -l) = 4 &&
 326         git branch foo &&
 327         git pack-refs --all &&
 328         git checkout foo &&
 329         test $(git reflog main | wc -l) = 4
 330 '
 331
 332 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
 333         test_when_finished "git branch -d one || git branch -d one/two" &&
 334
 335         git branch one/two main &&
 336         echo "one/two@{0} branch: Created from main" >expect &&
 337         git log -g --format="%gd %gs" one/two >actual &&
 338         test_cmp expect actual &&
 339         git branch -d one/two &&
 340
 341         # now logs/refs/heads/one is a stale directory, but
 342         # we should move it out of the way to create "one" reflog
 343         git branch one main &&
 344         echo "one@{0} branch: Created from main" >expect &&
 345         git log -g --format="%gd %gs" one >actual &&
 346         test_cmp expect actual
 347 '
 348
 349 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
 350         test_when_finished "git branch -d one || git branch -d one/two" &&
 351
 352         git branch one/two main &&
 353         echo "one/two@{0} branch: Created from main" >expect &&
 354         git log -g --format="%gd %gs" one/two >actual &&
 355         test_cmp expect actual &&
 356         git branch -d one/two &&
 357
 358         # same as before, but we only create a reflog for "one" if
 359         # it already exists, which it does not
 360         git -c core.logallrefupdates=false branch one main &&
 361         git log -g --format="%gd %gs" one >actual &&
 362         test_must_be_empty actual
 363 '
 364
 365 test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
 366         git update-ref --create-reflog -m "Creating ref" \
 367                 refs/tests/tree-in-reflog HEAD &&
 368         git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
 369         git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
 370         git reflog refs/tests/tree-in-reflog
 371 '
 372
 373 test_expect_failure 'reflog with non-commit entries displays all entries' '
 374         git reflog refs/tests/tree-in-reflog >actual &&
 375         test_line_count = 3 actual
 376 '
 377
 378 test_expect_success 'continue walking past root commits' '
 379         git init orphanage &&
 380         (
 381                 cd orphanage &&
 382                 cat >expect <<-\EOF &&
 383                 HEAD@{0} commit (initial): orphan2-1
 384                 HEAD@{1} commit: orphan1-2
 385                 HEAD@{2} commit (initial): orphan1-1
 386                 HEAD@{3} commit (initial): initial
 387                 EOF
 388                 test_commit initial &&
 389                 git checkout --orphan orphan1 &&
 390                 test_commit orphan1-1 &&
 391                 test_commit orphan1-2 &&
 392                 git checkout --orphan orphan2 &&
 393                 test_commit orphan2-1 &&
 394                 git log -g --format="%gd %gs" >actual &&
 395                 test_cmp expect actual
 396         )
 397 '
 398
 399 test_expect_success 'expire with multiple worktrees' '
 400         git init main-wt &&
 401         (
 402                 cd main-wt &&
 403                 test_tick &&
 404                 test_commit foo &&
 405                 git  worktree add link-wt &&
 406                 test_tick &&
 407                 test_commit -C link-wt foobar &&
 408                 test_tick &&
 409                 git reflog expire --verbose --all --expire=$test_tick &&
 410                 test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD >actual &&
 411                 test_must_be_empty actual
 412         )
 413 '
 414
 415 test_expect_success 'expire one of multiple worktrees' '
 416         git init main-wt2 &&
 417         (
 418                 cd main-wt2 &&
 419                 test_tick &&
 420                 test_commit foo &&
 421                 git worktree add link-wt &&
 422                 test_tick &&
 423                 test_commit -C link-wt foobar &&
 424                 test_tick &&
 425                 test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
 426                         >expect-link-wt &&
 427                 git reflog expire --verbose --all --expire=$test_tick \
 428                         --single-worktree &&
 429                 test-tool ref-store worktree:main for-each-reflog-ent HEAD \
 430                         >actual-main &&
 431                 test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
 432                         >actual-link-wt &&
 433                 test_must_be_empty actual-main &&
 434                 test_cmp expect-link-wt actual-link-wt
 435         )
 436 '
 437
 438 test_expect_success 'empty reflog' '
 439         test_when_finished "rm -rf empty" &&
 440         git init empty &&
 441         test_commit -C empty A &&
 442         test-tool ref-store main create-reflog refs/heads/foo &&
 443         git -C empty reflog expire --all 2>err &&
 444         test_must_be_empty err
 445 '
 446
 447 test_expect_success 'list reflogs' '
 448         test_when_finished "rm -rf repo" &&
 449         git init repo &&
 450         (
 451                 cd repo &&
 452                 git reflog list >actual &&
 453                 test_must_be_empty actual &&
 454
 455                 test_commit A &&
 456                 cat >expect <<-EOF &&
 457                 HEAD
 458                 refs/heads/main
 459                 EOF
 460                 git reflog list >actual &&
 461                 test_cmp expect actual &&
 462
 463                 git branch b &&
 464                 cat >expect <<-EOF &&
 465                 HEAD
 466                 refs/heads/b
 467                 refs/heads/main
 468                 EOF
 469                 git reflog list >actual &&
 470                 test_cmp expect actual
 471         )
 472 '
 473
 474 test_expect_success 'list reflogs with worktree' '
 475         test_when_finished "rm -rf repo" &&
 476         git init repo &&
 477         (
 478                 cd repo &&
 479
 480                 test_commit A &&
 481                 git worktree add wt &&
 482                 git -c core.logAllRefUpdates=always \
 483                         update-ref refs/worktree/main HEAD &&
 484                 git -c core.logAllRefUpdates=always \
 485                         update-ref refs/worktree/per-worktree HEAD &&
 486                 git -c core.logAllRefUpdates=always -C wt \
 487                         update-ref refs/worktree/per-worktree HEAD &&
 488                 git -c core.logAllRefUpdates=always -C wt \
 489                         update-ref refs/worktree/worktree HEAD &&
 490
 491                 cat >expect <<-EOF &&
 492                 HEAD
 493                 refs/heads/main
 494                 refs/heads/wt
 495                 refs/worktree/main
 496                 refs/worktree/per-worktree
 497                 EOF
 498                 git reflog list >actual &&
 499                 test_cmp expect actual &&
 500
 501                 cat >expect <<-EOF &&
 502                 HEAD
 503                 refs/heads/main
 504                 refs/heads/wt
 505                 refs/worktree/per-worktree
 506                 refs/worktree/worktree
 507                 EOF
 508                 git -C wt reflog list >actual &&
 509                 test_cmp expect actual
 510         )
 511 '
 512
 513 test_expect_success 'reflog list returns error with additional args' '
 514         cat >expect <<-EOF &&
 515         error: list does not accept arguments: ${SQ}bogus${SQ}
 516         EOF
 517         test_must_fail git reflog list bogus 2>err &&
 518         test_cmp expect err
 519 '
 520
 521 test_expect_success 'reflog for symref with unborn target can be listed' '
 522         test_when_finished "rm -rf repo" &&
 523         git init repo &&
 524         (
 525                 cd repo &&
 526                 test_commit A &&
 527                 git symbolic-ref HEAD refs/heads/unborn &&
 528                 cat >expect <<-EOF &&
 529                 HEAD
 530                 refs/heads/main
 531                 EOF
 532                 git reflog list >actual &&
 533                 test_cmp expect actual
 534         )
 535 '
 536
 537 test_expect_success 'reflog with invalid object ID can be listed' '
 538         test_when_finished "rm -rf repo" &&
 539         git init repo &&
 540         (
 541                 cd repo &&
 542                 test_commit A &&
 543                 test-tool ref-store main update-ref msg refs/heads/missing \
 544                         $(test_oid deadbeef) "$ZERO_OID" REF_SKIP_OID_VERIFICATION &&
 545                 cat >expect <<-EOF &&
 546                 HEAD
 547                 refs/heads/main
 548                 refs/heads/missing
 549                 EOF
 550                 git reflog list >actual &&
 551                 test_cmp expect actual
 552         )
 553 '
 554
 555 test_done