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