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