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 rewind '
 110         test_tick && git reset --hard HEAD~2 &&
 111         test -f C &&
 112         test -f A/B/E &&
 113         ! test -f F &&
 114         ! test -f A/G &&
 115
 116         check_have A B C D E F G H I J K L &&
 117
 118         git prune &&
 119
 120         check_have A B C D E F G H I J K L &&
 121
 122         git reflog refs/heads/main >output &&
 123         test_line_count = 5 output
 124 '
 125
 126 test_expect_success 'corrupt and check' '
 127
 128         corrupt $F &&
 129         check_fsck "missing blob $F"
 130
 131 '
 132
 133 test_expect_success 'reflog expire --dry-run should not touch reflog' '
 134
 135         git reflog expire --dry-run \
 136                 --expire=$(($test_tick - 10000)) \
 137                 --expire-unreachable=$(($test_tick - 10000)) \
 138                 --stale-fix \
 139                 --all &&
 140
 141         git reflog refs/heads/main >output &&
 142         test_line_count = 5 output &&
 143
 144         check_fsck "missing blob $F"
 145 '
 146
 147 test_expect_success 'reflog expire' '
 148
 149         git reflog expire --verbose \
 150                 --expire=$(($test_tick - 10000)) \
 151                 --expire-unreachable=$(($test_tick - 10000)) \
 152                 --stale-fix \
 153                 --all &&
 154
 155         git reflog refs/heads/main >output &&
 156         test_line_count = 2 output &&
 157
 158         check_fsck "dangling commit $K"
 159 '
 160
 161 test_expect_success '--stale-fix handles missing objects generously' '
 162         git -c core.logAllRefUpdates=false fast-import --date-format=now <<-EOS &&
 163         commit refs/heads/stale-fix
 164         mark :1
 165         committer Author <a@uth.or> now
 166         data <<EOF
 167         start stale fix
 168         EOF
 169         M 100644 inline file
 170         data <<EOF
 171         contents
 172         EOF
 173         commit refs/heads/stale-fix
 174         committer Author <a@uth.or> now
 175         data <<EOF
 176         stale fix branch tip
 177         EOF
 178         from :1
 179         EOS
 180
 181         parent_oid=$(git rev-parse stale-fix^) &&
 182         test_when_finished "recover $parent_oid" &&
 183         corrupt $parent_oid &&
 184         git reflog expire --stale-fix
 185 '
 186
 187 test_expect_success 'prune and fsck' '
 188
 189         git prune &&
 190         check_fsck &&
 191
 192         check_have A B C D E H L &&
 193         check_dont_have F G I J K
 194
 195 '
 196
 197 test_expect_success 'recover and check' '
 198
 199         recover $F &&
 200         check_fsck "dangling blob $F"
 201
 202 '
 203
 204 test_expect_success 'delete' '
 205         echo 1 > C &&
 206         test_tick &&
 207         git commit -m rat C &&
 208
 209         echo 2 > C &&
 210         test_tick &&
 211         git commit -m ox C &&
 212
 213         echo 3 > C &&
 214         test_tick &&
 215         git commit -m tiger C &&
 216
 217         HEAD_entry_count=$(git reflog | wc -l) &&
 218         main_entry_count=$(git reflog show main | wc -l) &&
 219
 220         test $HEAD_entry_count = 5 &&
 221         test $main_entry_count = 5 &&
 222
 223
 224         git reflog delete main@{1} &&
 225         git reflog show main > output &&
 226         test_line_count = $(($main_entry_count - 1)) output &&
 227         test $HEAD_entry_count = $(git reflog | wc -l) &&
 228         ! grep ox < output &&
 229
 230         main_entry_count=$(wc -l < output) &&
 231
 232         git reflog delete HEAD@{1} &&
 233         test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
 234         test $main_entry_count = $(git reflog show main | wc -l) &&
 235
 236         HEAD_entry_count=$(git reflog | wc -l) &&
 237
 238         git reflog delete main@{07.04.2005.15:15:00.-0700} &&
 239         git reflog show main > output &&
 240         test_line_count = $(($main_entry_count - 1)) output &&
 241         ! grep dragon < output
 242
 243 '
 244
 245 test_expect_success 'rewind2' '
 246
 247         test_tick && git reset --hard HEAD~2 &&
 248         git reflog refs/heads/main >output &&
 249         test_line_count = 4 output
 250 '
 251
 252 test_expect_success '--expire=never' '
 253
 254         git reflog expire --verbose \
 255                 --expire=never \
 256                 --expire-unreachable=never \
 257                 --all &&
 258         git reflog refs/heads/main >output &&
 259         test_line_count = 4 output
 260 '
 261
 262 test_expect_success 'gc.reflogexpire=never' '
 263         test_config gc.reflogexpire never &&
 264         test_config gc.reflogexpireunreachable never &&
 265
 266         git reflog expire --verbose --all >output &&
 267         test_line_count = 9 output &&
 268
 269         git reflog refs/heads/main >output &&
 270         test_line_count = 4 output
 271 '
 272
 273 test_expect_success 'gc.reflogexpire=false' '
 274         test_config gc.reflogexpire false &&
 275         test_config gc.reflogexpireunreachable false &&
 276
 277         git reflog expire --verbose --all &&
 278         git reflog refs/heads/main >output &&
 279         test_line_count = 4 output
 280
 281 '
 282
 283 test_expect_success 'git reflog expire unknown reference' '
 284         test_config gc.reflogexpire never &&
 285         test_config gc.reflogexpireunreachable never &&
 286
 287         test_must_fail git reflog expire main@{123} 2>stderr &&
 288         test_i18ngrep "points nowhere" stderr &&
 289         test_must_fail git reflog expire does-not-exist 2>stderr &&
 290         test_i18ngrep "points nowhere" stderr
 291 '
 292
 293 test_expect_success 'checkout should not delete log for packed ref' '
 294         test $(git reflog main | wc -l) = 4 &&
 295         git branch foo &&
 296         git pack-refs --all &&
 297         git checkout foo &&
 298         test $(git reflog main | wc -l) = 4
 299 '
 300
 301 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
 302         test_when_finished "git branch -d one || git branch -d one/two" &&
 303
 304         git branch one/two main &&
 305         echo "one/two@{0} branch: Created from main" >expect &&
 306         git log -g --format="%gd %gs" one/two >actual &&
 307         test_cmp expect actual &&
 308         git branch -d one/two &&
 309
 310         # now logs/refs/heads/one is a stale directory, but
 311         # we should move it out of the way to create "one" reflog
 312         git branch one main &&
 313         echo "one@{0} branch: Created from main" >expect &&
 314         git log -g --format="%gd %gs" one >actual &&
 315         test_cmp expect actual
 316 '
 317
 318 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
 319         test_when_finished "git branch -d one || git branch -d one/two" &&
 320
 321         git branch one/two main &&
 322         echo "one/two@{0} branch: Created from main" >expect &&
 323         git log -g --format="%gd %gs" one/two >actual &&
 324         test_cmp expect actual &&
 325         git branch -d one/two &&
 326
 327         # same as before, but we only create a reflog for "one" if
 328         # it already exists, which it does not
 329         git -c core.logallrefupdates=false branch one main &&
 330         git log -g --format="%gd %gs" one >actual &&
 331         test_must_be_empty actual
 332 '
 333
 334 # Triggering the bug detected by this test requires a newline to fall
 335 # exactly BUFSIZ-1 bytes from the end of the file. We don't know
 336 # what that value is, since it's platform dependent. However, if
 337 # we choose some value N, we also catch any D which divides N evenly
 338 # (since we will read backwards in chunks of D). So we choose 8K,
 339 # which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
 340 #
 341 # Each line is 114 characters, so we need 75 to still have a few before the
 342 # last 8K. The 89-character padding on the final entry lines up our
 343 # newline exactly.
 344 test_expect_success SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
 345         git checkout -b reflogskip &&
 346         zf=$(test_oid zero_2) &&
 347         ident="abc <xyz> 0000000001 +0000" &&
 348         for i in $(test_seq 1 75); do
 349                 printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
 350                 if test $i = 75; then
 351                         for j in $(test_seq 1 89); do
 352                                 printf X || return 1
 353                         done
 354                 else
 355                         printf X
 356                 fi &&
 357                 printf "\n" || return 1
 358         done >.git/logs/refs/heads/reflogskip &&
 359         git rev-parse reflogskip@{73} >actual &&
 360         echo ${zf}03 >expect &&
 361         test_cmp expect actual
 362 '
 363
 364 test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
 365         git update-ref --create-reflog -m "Creating ref" \
 366                 refs/tests/tree-in-reflog HEAD &&
 367         git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
 368         git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
 369         git reflog refs/tests/tree-in-reflog
 370 '
 371
 372 test_expect_failure 'reflog with non-commit entries displays all entries' '
 373         git reflog refs/tests/tree-in-reflog >actual &&
 374         test_line_count = 3 actual
 375 '
 376
 377 # This test takes a lock on an individual ref; this is not supported in
 378 # reftable.
 379 test_expect_success REFFILES 'reflog expire operates on symref not referrent' '
 380         git branch --create-reflog the_symref &&
 381         git branch --create-reflog referrent &&
 382         git update-ref referrent HEAD &&
 383         git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
 384         test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
 385         touch .git/refs/heads/referrent.lock &&
 386         git reflog expire --expire=all the_symref
 387 '
 388
 389 test_expect_success 'continue walking past root commits' '
 390         git init orphanage &&
 391         (
 392                 cd orphanage &&
 393                 cat >expect <<-\EOF &&
 394                 HEAD@{0} commit (initial): orphan2-1
 395                 HEAD@{1} commit: orphan1-2
 396                 HEAD@{2} commit (initial): orphan1-1
 397                 HEAD@{3} commit (initial): initial
 398                 EOF
 399                 test_commit initial &&
 400                 git checkout --orphan orphan1 &&
 401                 test_commit orphan1-1 &&
 402                 test_commit orphan1-2 &&
 403                 git checkout --orphan orphan2 &&
 404                 test_commit orphan2-1 &&
 405                 git log -g --format="%gd %gs" >actual &&
 406                 test_cmp expect actual
 407         )
 408 '
 409
 410 test_expect_success 'expire with multiple worktrees' '
 411         git init main-wt &&
 412         (
 413                 cd main-wt &&
 414                 test_tick &&
 415                 test_commit foo &&
 416                 git  worktree add link-wt &&
 417                 test_tick &&
 418                 test_commit -C link-wt foobar &&
 419                 test_tick &&
 420                 git reflog expire --verbose --all --expire=$test_tick &&
 421                 test_must_be_empty .git/worktrees/link-wt/logs/HEAD
 422         )
 423 '
 424
 425 test_done