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-lib.sh
  11
  12 check_have () {
  13         gaah= &&
  14         for N in "$@"
  15         do
  16                 eval "o=\$$N" && git cat-file -t $o || {
  17                         echo Gaah $N
  18                         gaah=$N
  19                         break
  20                 }
  21         done &&
  22         test -z "$gaah"
  23 }
  24
  25 check_fsck () {
  26         git fsck --full >fsck.output
  27         case "$1" in
  28         '')
  29                 test_must_be_empty fsck.output ;;
  30         *)
  31                 test_i18ngrep "$1" fsck.output ;;
  32         esac
  33 }
  34
  35 corrupt () {
  36         mv .git/objects/$(test_oid_to_path $1) .git/$1
  37 }
  38
  39 recover () {
  40         aa=$(echo $1 | cut -c 1-2)
  41         mkdir -p .git/objects/$aa
  42         mv .git/$1 .git/objects/$(test_oid_to_path $1)
  43 }
  44
  45 check_dont_have () {
  46         gaah= &&
  47         for N in "$@"
  48         do
  49                 eval "o=\$$N"
  50                 git cat-file -t $o && {
  51                         echo Gaah $N
  52                         gaah=$N
  53                         break
  54                 }
  55         done
  56         test -z "$gaah"
  57 }
  58
  59 test_expect_success setup '
  60         mkdir -p A/B &&
  61         echo rat >C &&
  62         echo ox >A/D &&
  63         echo tiger >A/B/E &&
  64         git add . &&
  65
  66         test_tick && git commit -m rabbit &&
  67         H=$(git rev-parse --verify HEAD) &&
  68         A=$(git rev-parse --verify HEAD:A) &&
  69         B=$(git rev-parse --verify HEAD:A/B) &&
  70         C=$(git rev-parse --verify HEAD:C) &&
  71         D=$(git rev-parse --verify HEAD:A/D) &&
  72         E=$(git rev-parse --verify HEAD:A/B/E) &&
  73         check_fsck &&
  74
  75         test_chmod +x C &&
  76         git add C &&
  77         test_tick && git commit -m dragon &&
  78         L=$(git rev-parse --verify HEAD) &&
  79         check_fsck &&
  80
  81         rm -f C A/B/E &&
  82         echo snake >F &&
  83         echo horse >A/G &&
  84         git add F A/G &&
  85         test_tick && git commit -a -m sheep &&
  86         F=$(git rev-parse --verify HEAD:F) &&
  87         G=$(git rev-parse --verify HEAD:A/G) &&
  88         I=$(git rev-parse --verify HEAD:A) &&
  89         J=$(git rev-parse --verify HEAD) &&
  90         check_fsck &&
  91
  92         rm -f A/G &&
  93         test_tick && git commit -a -m monkey &&
  94         K=$(git rev-parse --verify HEAD) &&
  95         check_fsck &&
  96
  97         check_have A B C D E F G H I J K L &&
  98
  99         git prune &&
 100
 101         check_have A B C D E F G H I J K L &&
 102
 103         check_fsck &&
 104
 105         git reflog refs/heads/main >output &&
 106         test_line_count = 4 output
 107 '
 108
 109 test_expect_success 'correct usage on sub-command -h' '
 110         test_expect_code 129 git reflog expire -h >err &&
 111         grep "git reflog expire" err
 112 '
 113
 114 test_expect_success 'correct usage on "git reflog show -h"' '
 115         test_expect_code 129 git reflog show -h >err &&
 116         grep -F "git reflog [show]" err
 117 '
 118
 119 test_expect_success 'pass through -- to sub-command' '
 120         test_when_finished "rm -rf repo" &&
 121         git init repo &&
 122         test_commit -C repo message --a-file contents dash-tag &&
 123
 124         git -C repo reflog show -- --does-not-exist >out &&
 125         test_must_be_empty out &&
 126         git -C repo reflog show >expect &&
 127         git -C repo reflog show -- --a-file >actual &&
 128         test_cmp expect actual
 129 '
 130
 131 test_expect_success rewind '
 132         test_tick && git reset --hard HEAD~2 &&
 133         test -f C &&
 134         test -f A/B/E &&
 135         ! test -f F &&
 136         ! test -f A/G &&
 137
 138         check_have A B C D E F G H I J K L &&
 139
 140         git prune &&
 141
 142         check_have A B C D E F G H I J K L &&
 143
 144         git reflog refs/heads/main >output &&
 145         test_line_count = 5 output
 146 '
 147
 148 test_expect_success 'corrupt and check' '
 149
 150         corrupt $F &&
 151         check_fsck "missing blob $F"
 152
 153 '
 154
 155 test_expect_success 'reflog expire --dry-run should not touch reflog' '
 156
 157         git reflog expire --dry-run \
 158                 --expire=$(($test_tick - 10000)) \
 159                 --expire-unreachable=$(($test_tick - 10000)) \
 160                 --stale-fix \
 161                 --all &&
 162
 163         git reflog refs/heads/main >output &&
 164         test_line_count = 5 output &&
 165
 166         check_fsck "missing blob $F"
 167 '
 168
 169 test_expect_success 'reflog expire' '
 170
 171         git reflog expire --verbose \
 172                 --expire=$(($test_tick - 10000)) \
 173                 --expire-unreachable=$(($test_tick - 10000)) \
 174                 --stale-fix \
 175                 --all &&
 176
 177         git reflog refs/heads/main >output &&
 178         test_line_count = 2 output &&
 179
 180         check_fsck "dangling commit $K"
 181 '
 182
 183 test_expect_success '--stale-fix handles missing objects generously' '
 184         git -c core.logAllRefUpdates=false fast-import --date-format=now <<-EOS &&
 185         commit refs/heads/stale-fix
 186         mark :1
 187         committer Author <a@uth.or> now
 188         data <<EOF
 189         start stale fix
 190         EOF
 191         M 100644 inline file
 192         data <<EOF
 193         contents
 194         EOF
 195         commit refs/heads/stale-fix
 196         committer Author <a@uth.or> now
 197         data <<EOF
 198         stale fix branch tip
 199         EOF
 200         from :1
 201         EOS
 202
 203         parent_oid=$(git rev-parse stale-fix^) &&
 204         test_when_finished "recover $parent_oid" &&
 205         corrupt $parent_oid &&
 206         git reflog expire --stale-fix
 207 '
 208
 209 test_expect_success 'prune and fsck' '
 210
 211         git prune &&
 212         check_fsck &&
 213
 214         check_have A B C D E H L &&
 215         check_dont_have F G I J K
 216
 217 '
 218
 219 test_expect_success 'recover and check' '
 220
 221         recover $F &&
 222         check_fsck "dangling blob $F"
 223
 224 '
 225
 226 test_expect_success 'delete' '
 227         echo 1 > C &&
 228         test_tick &&
 229         git commit -m rat C &&
 230
 231         echo 2 > C &&
 232         test_tick &&
 233         git commit -m ox C &&
 234
 235         echo 3 > C &&
 236         test_tick &&
 237         git commit -m tiger C &&
 238
 239         HEAD_entry_count=$(git reflog | wc -l) &&
 240         main_entry_count=$(git reflog show main | wc -l) &&
 241
 242         test $HEAD_entry_count = 5 &&
 243         test $main_entry_count = 5 &&
 244
 245
 246         git reflog delete main@{1} &&
 247         git reflog show main > output &&
 248         test_line_count = $(($main_entry_count - 1)) output &&
 249         test $HEAD_entry_count = $(git reflog | wc -l) &&
 250         ! grep ox < output &&
 251
 252         main_entry_count=$(wc -l < output) &&
 253
 254         git reflog delete HEAD@{1} &&
 255         test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
 256         test $main_entry_count = $(git reflog show main | wc -l) &&
 257
 258         HEAD_entry_count=$(git reflog | wc -l) &&
 259
 260         git reflog delete main@{07.04.2005.15:15:00.-0700} &&
 261         git reflog show main > output &&
 262         test_line_count = $(($main_entry_count - 1)) output &&
 263         ! grep dragon < output
 264
 265 '
 266
 267 test_expect_success 'rewind2' '
 268
 269         test_tick && git reset --hard HEAD~2 &&
 270         git reflog refs/heads/main >output &&
 271         test_line_count = 4 output
 272 '
 273
 274 test_expect_success '--expire=never' '
 275
 276         git reflog expire --verbose \
 277                 --expire=never \
 278                 --expire-unreachable=never \
 279                 --all &&
 280         git reflog refs/heads/main >output &&
 281         test_line_count = 4 output
 282 '
 283
 284 test_expect_success 'gc.reflogexpire=never' '
 285         test_config gc.reflogexpire never &&
 286         test_config gc.reflogexpireunreachable never &&
 287
 288         git reflog expire --verbose --all >output &&
 289         test_line_count = 9 output &&
 290
 291         git reflog refs/heads/main >output &&
 292         test_line_count = 4 output
 293 '
 294
 295 test_expect_success 'gc.reflogexpire=false' '
 296         test_config gc.reflogexpire false &&
 297         test_config gc.reflogexpireunreachable false &&
 298
 299         git reflog expire --verbose --all &&
 300         git reflog refs/heads/main >output &&
 301         test_line_count = 4 output
 302
 303 '
 304
 305 test_expect_success 'git reflog expire unknown reference' '
 306         test_config gc.reflogexpire never &&
 307         test_config gc.reflogexpireunreachable never &&
 308
 309         test_must_fail git reflog expire main@{123} 2>stderr &&
 310         test_i18ngrep "points nowhere" stderr &&
 311         test_must_fail git reflog expire does-not-exist 2>stderr &&
 312         test_i18ngrep "points nowhere" stderr
 313 '
 314
 315 test_expect_success 'checkout should not delete log for packed ref' '
 316         test $(git reflog main | wc -l) = 4 &&
 317         git branch foo &&
 318         git pack-refs --all &&
 319         git checkout foo &&
 320         test $(git reflog main | wc -l) = 4
 321 '
 322
 323 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
 324         test_when_finished "git branch -d one || git branch -d one/two" &&
 325
 326         git branch one/two main &&
 327         echo "one/two@{0} branch: Created from main" >expect &&
 328         git log -g --format="%gd %gs" one/two >actual &&
 329         test_cmp expect actual &&
 330         git branch -d one/two &&
 331
 332         # now logs/refs/heads/one is a stale directory, but
 333         # we should move it out of the way to create "one" reflog
 334         git branch one main &&
 335         echo "one@{0} branch: Created from main" >expect &&
 336         git log -g --format="%gd %gs" one >actual &&
 337         test_cmp expect actual
 338 '
 339
 340 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
 341         test_when_finished "git branch -d one || git branch -d one/two" &&
 342
 343         git branch one/two main &&
 344         echo "one/two@{0} branch: Created from main" >expect &&
 345         git log -g --format="%gd %gs" one/two >actual &&
 346         test_cmp expect actual &&
 347         git branch -d one/two &&
 348
 349         # same as before, but we only create a reflog for "one" if
 350         # it already exists, which it does not
 351         git -c core.logallrefupdates=false branch one main &&
 352         git log -g --format="%gd %gs" one >actual &&
 353         test_must_be_empty actual
 354 '
 355
 356 # Triggering the bug detected by this test requires a newline to fall
 357 # exactly BUFSIZ-1 bytes from the end of the file. We don't know
 358 # what that value is, since it's platform dependent. However, if
 359 # we choose some value N, we also catch any D which divides N evenly
 360 # (since we will read backwards in chunks of D). So we choose 8K,
 361 # which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
 362 #
 363 # Each line is 114 characters, so we need 75 to still have a few before the
 364 # last 8K. The 89-character padding on the final entry lines up our
 365 # newline exactly.
 366 test_expect_success REFFILES,SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
 367         git checkout -b reflogskip &&
 368         zf=$(test_oid zero_2) &&
 369         ident="abc <xyz> 0000000001 +0000" &&
 370         for i in $(test_seq 1 75); do
 371                 printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
 372                 if test $i = 75; then
 373                         for j in $(test_seq 1 89); do
 374                                 printf X || return 1
 375                         done
 376                 else
 377                         printf X
 378                 fi &&
 379                 printf "\n" || return 1
 380         done >.git/logs/refs/heads/reflogskip &&
 381         git rev-parse reflogskip@{73} >actual &&
 382         echo ${zf}03 >expect &&
 383         test_cmp expect actual
 384 '
 385
 386 test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
 387         git update-ref --create-reflog -m "Creating ref" \
 388                 refs/tests/tree-in-reflog HEAD &&
 389         git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
 390         git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
 391         git reflog refs/tests/tree-in-reflog
 392 '
 393
 394 test_expect_failure 'reflog with non-commit entries displays all entries' '
 395         git reflog refs/tests/tree-in-reflog >actual &&
 396         test_line_count = 3 actual
 397 '
 398
 399 # This test takes a lock on an individual ref; this is not supported in
 400 # reftable.
 401 test_expect_success REFFILES 'reflog expire operates on symref not referrent' '
 402         git branch --create-reflog the_symref &&
 403         git branch --create-reflog referrent &&
 404         git update-ref referrent HEAD &&
 405         git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
 406         test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
 407         touch .git/refs/heads/referrent.lock &&
 408         git reflog expire --expire=all the_symref
 409 '
 410
 411 test_expect_success 'continue walking past root commits' '
 412         git init orphanage &&
 413         (
 414                 cd orphanage &&
 415                 cat >expect <<-\EOF &&
 416                 HEAD@{0} commit (initial): orphan2-1
 417                 HEAD@{1} commit: orphan1-2
 418                 HEAD@{2} commit (initial): orphan1-1
 419                 HEAD@{3} commit (initial): initial
 420                 EOF
 421                 test_commit initial &&
 422                 git checkout --orphan orphan1 &&
 423                 test_commit orphan1-1 &&
 424                 test_commit orphan1-2 &&
 425                 git checkout --orphan orphan2 &&
 426                 test_commit orphan2-1 &&
 427                 git log -g --format="%gd %gs" >actual &&
 428                 test_cmp expect actual
 429         )
 430 '
 431
 432 test_expect_success 'expire with multiple worktrees' '
 433         git init main-wt &&
 434         (
 435                 cd main-wt &&
 436                 test_tick &&
 437                 test_commit foo &&
 438                 git  worktree add link-wt &&
 439                 test_tick &&
 440                 test_commit -C link-wt foobar &&
 441                 test_tick &&
 442                 git reflog expire --verbose --all --expire=$test_tick &&
 443                 test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD >actual &&
 444                 test_must_be_empty actual
 445         )
 446 '
 447
 448 test_expect_success REFFILES 'empty reflog' '
 449         test_when_finished "rm -rf empty" &&
 450         git init empty &&
 451         test_commit -C empty A &&
 452         >empty/.git/logs/refs/heads/foo &&
 453         git -C empty reflog expire --all 2>err &&
 454         test_must_be_empty err
 455 '
 456
 457 test_done