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 "$gaah"
  20 }
  21
  22 check_fsck () {
  23         output=$(git fsck --full)
  24         case "$1" in
  25         '')
  26                 test -z "$output" ;;
  27         *)
  28                 echo "$output" | grep "$1" ;;
  29         esac
  30 }
  31
  32 corrupt () {
  33         aa=${1%??????????????????????????????????????} zz=${1#??}
  34         mv .git/objects/$aa/$zz .git/$aa$zz
  35 }
  36
  37 recover () {
  38         aa=${1%??????????????????????????????????????} zz=${1#??}
  39         mkdir -p .git/objects/$aa
  40         mv .git/$aa$zz .git/objects/$aa/$zz
  41 }
  42
  43 check_dont_have () {
  44         gaah= &&
  45         for N in "$@"
  46         do
  47                 eval "o=\$$N"
  48                 git cat-file -t $o && {
  49                         echo Gaah $N
  50                         gaah=$N
  51                         break
  52                 }
  53         done
  54         test -z "$gaah"
  55 }
  56
  57 test_expect_success setup '
  58         mkdir -p A/B &&
  59         echo rat >C &&
  60         echo ox >A/D &&
  61         echo tiger >A/B/E &&
  62         git add . &&
  63
  64         test_tick && git commit -m rabbit &&
  65         H=$(git rev-parse --verify HEAD) &&
  66         A=$(git rev-parse --verify HEAD:A) &&
  67         B=$(git rev-parse --verify HEAD:A/B) &&
  68         C=$(git rev-parse --verify HEAD:C) &&
  69         D=$(git rev-parse --verify HEAD:A/D) &&
  70         E=$(git rev-parse --verify HEAD:A/B/E) &&
  71         check_fsck &&
  72
  73         test_chmod +x C &&
  74         git add C &&
  75         test_tick && git commit -m dragon &&
  76         L=$(git rev-parse --verify HEAD) &&
  77         check_fsck &&
  78
  79         rm -f C A/B/E &&
  80         echo snake >F &&
  81         echo horse >A/G &&
  82         git add F A/G &&
  83         test_tick && git commit -a -m sheep &&
  84         F=$(git rev-parse --verify HEAD:F) &&
  85         G=$(git rev-parse --verify HEAD:A/G) &&
  86         I=$(git rev-parse --verify HEAD:A) &&
  87         J=$(git rev-parse --verify HEAD) &&
  88         check_fsck &&
  89
  90         rm -f A/G &&
  91         test_tick && git commit -a -m monkey &&
  92         K=$(git rev-parse --verify HEAD) &&
  93         check_fsck &&
  94
  95         check_have A B C D E F G H I J K L &&
  96
  97         git prune &&
  98
  99         check_have A B C D E F G H I J K L &&
 100
 101         check_fsck &&
 102
 103         git reflog refs/heads/master >output &&
 104         test_line_count = 4 output
 105 '
 106
 107 test_expect_success rewind '
 108         test_tick && git reset --hard HEAD~2 &&
 109         test -f C &&
 110         test -f A/B/E &&
 111         ! test -f F &&
 112         ! test -f A/G &&
 113
 114         check_have A B C D E F G H I J K L &&
 115
 116         git prune &&
 117
 118         check_have A B C D E F G H I J K L &&
 119
 120         git reflog refs/heads/master >output &&
 121         test_line_count = 5 output
 122 '
 123
 124 test_expect_success 'corrupt and check' '
 125
 126         corrupt $F &&
 127         check_fsck "missing blob $F"
 128
 129 '
 130
 131 test_expect_success 'reflog expire --dry-run should not touch reflog' '
 132
 133         git reflog expire --dry-run \
 134                 --expire=$(($test_tick - 10000)) \
 135                 --expire-unreachable=$(($test_tick - 10000)) \
 136                 --stale-fix \
 137                 --all &&
 138
 139         git reflog refs/heads/master >output &&
 140         test_line_count = 5 output &&
 141
 142         check_fsck "missing blob $F"
 143 '
 144
 145 test_expect_success 'reflog expire' '
 146
 147         git reflog expire --verbose \
 148                 --expire=$(($test_tick - 10000)) \
 149                 --expire-unreachable=$(($test_tick - 10000)) \
 150                 --stale-fix \
 151                 --all &&
 152
 153         git reflog refs/heads/master >output &&
 154         test_line_count = 2 output &&
 155
 156         check_fsck "dangling commit $K"
 157 '
 158
 159 test_expect_success 'prune and fsck' '
 160
 161         git prune &&
 162         check_fsck &&
 163
 164         check_have A B C D E H L &&
 165         check_dont_have F G I J K
 166
 167 '
 168
 169 test_expect_success 'recover and check' '
 170
 171         recover $F &&
 172         check_fsck "dangling blob $F"
 173
 174 '
 175
 176 test_expect_success 'delete' '
 177         echo 1 > C &&
 178         test_tick &&
 179         git commit -m rat C &&
 180
 181         echo 2 > C &&
 182         test_tick &&
 183         git commit -m ox C &&
 184
 185         echo 3 > C &&
 186         test_tick &&
 187         git commit -m tiger C &&
 188
 189         HEAD_entry_count=$(git reflog | wc -l) &&
 190         master_entry_count=$(git reflog show master | wc -l) &&
 191
 192         test $HEAD_entry_count = 5 &&
 193         test $master_entry_count = 5 &&
 194
 195
 196         git reflog delete master@{1} &&
 197         git reflog show master > output &&
 198         test $(($master_entry_count - 1)) = $(wc -l < output) &&
 199         test $HEAD_entry_count = $(git reflog | wc -l) &&
 200         ! grep ox < output &&
 201
 202         master_entry_count=$(wc -l < output) &&
 203
 204         git reflog delete HEAD@{1} &&
 205         test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
 206         test $master_entry_count = $(git reflog show master | wc -l) &&
 207
 208         HEAD_entry_count=$(git reflog | wc -l) &&
 209
 210         git reflog delete master@{07.04.2005.15:15:00.-0700} &&
 211         git reflog show master > output &&
 212         test $(($master_entry_count - 1)) = $(wc -l < output) &&
 213         ! grep dragon < output
 214
 215 '
 216
 217 test_expect_success 'rewind2' '
 218
 219         test_tick && git reset --hard HEAD~2 &&
 220         git reflog refs/heads/master >output &&
 221         test_line_count = 4 output
 222 '
 223
 224 test_expect_success '--expire=never' '
 225
 226         git reflog expire --verbose \
 227                 --expire=never \
 228                 --expire-unreachable=never \
 229                 --all &&
 230         git reflog refs/heads/master >output &&
 231         test_line_count = 4 output
 232 '
 233
 234 test_expect_success 'gc.reflogexpire=never' '
 235
 236         git config gc.reflogexpire never &&
 237         git config gc.reflogexpireunreachable never &&
 238         git reflog expire --verbose --all &&
 239         git reflog refs/heads/master >output &&
 240         test_line_count = 4 output
 241 '
 242
 243 test_expect_success 'gc.reflogexpire=false' '
 244
 245         git config gc.reflogexpire false &&
 246         git config gc.reflogexpireunreachable false &&
 247         git reflog expire --verbose --all &&
 248         git reflog refs/heads/master >output &&
 249         test_line_count = 4 output &&
 250
 251         git config --unset gc.reflogexpire &&
 252         git config --unset gc.reflogexpireunreachable
 253
 254 '
 255
 256 test_expect_success 'checkout should not delete log for packed ref' '
 257         test $(git reflog master | wc -l) = 4 &&
 258         git branch foo &&
 259         git pack-refs --all &&
 260         git checkout foo &&
 261         test $(git reflog master | wc -l) = 4
 262 '
 263
 264 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
 265         test_when_finished "git branch -d one || git branch -d one/two" &&
 266
 267         git branch one/two master &&
 268         echo "one/two@{0} branch: Created from master" >expect &&
 269         git log -g --format="%gd %gs" one/two >actual &&
 270         test_cmp expect actual &&
 271         git branch -d one/two &&
 272
 273         # now logs/refs/heads/one is a stale directory, but
 274         # we should move it out of the way to create "one" reflog
 275         git branch one master &&
 276         echo "one@{0} branch: Created from master" >expect &&
 277         git log -g --format="%gd %gs" one >actual &&
 278         test_cmp expect actual
 279 '
 280
 281 test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
 282         test_when_finished "git branch -d one || git branch -d one/two" &&
 283
 284         git branch one/two master &&
 285         echo "one/two@{0} branch: Created from master" >expect &&
 286         git log -g --format="%gd %gs" one/two >actual &&
 287         test_cmp expect actual &&
 288         git branch -d one/two &&
 289
 290         # same as before, but we only create a reflog for "one" if
 291         # it already exists, which it does not
 292         git -c core.logallrefupdates=false branch one master &&
 293         : >expect &&
 294         git log -g --format="%gd %gs" one >actual &&
 295         test_cmp expect actual
 296 '
 297
 298 # Triggering the bug detected by this test requires a newline to fall
 299 # exactly BUFSIZ-1 bytes from the end of the file. We don't know
 300 # what that value is, since it's platform dependent. However, if
 301 # we choose some value N, we also catch any D which divides N evenly
 302 # (since we will read backwards in chunks of D). So we choose 8K,
 303 # which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
 304 #
 305 # Each line is 114 characters, so we need 75 to still have a few before the
 306 # last 8K. The 89-character padding on the final entry lines up our
 307 # newline exactly.
 308 test_expect_success 'parsing reverse reflogs at BUFSIZ boundaries' '
 309         git checkout -b reflogskip &&
 310         z38=00000000000000000000000000000000000000 &&
 311         ident="abc <xyz> 0000000001 +0000" &&
 312         for i in $(test_seq 1 75); do
 313                 printf "$z38%02d $z38%02d %s\t" $i $(($i+1)) "$ident" &&
 314                 if test $i = 75; then
 315                         for j in $(test_seq 1 89); do
 316                                 printf X
 317                         done
 318                 else
 319                         printf X
 320                 fi &&
 321                 printf "\n"
 322         done >.git/logs/refs/heads/reflogskip &&
 323         git rev-parse reflogskip@{73} >actual &&
 324         echo ${z38}03 >expect &&
 325         test_cmp expect actual
 326 '
 327
 328 test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
 329         git update-ref --create-reflog -m "Creating ref" \
 330                 refs/tests/tree-in-reflog HEAD &&
 331         git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
 332         git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
 333         git reflog refs/tests/tree-in-reflog
 334 '
 335
 336 test_expect_failure 'reflog with non-commit entries displays all entries' '
 337         git reflog refs/tests/tree-in-reflog >actual &&
 338         test_line_count = 3 actual
 339 '
 340
 341 test_expect_success 'reflog expire operates on symref not referrent' '
 342         git branch -l the_symref &&
 343         git branch -l referrent &&
 344         git update-ref referrent HEAD &&
 345         git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
 346         test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
 347         touch .git/refs/heads/referrent.lock &&
 348         git reflog expire --expire=all the_symref
 349 '
 350
 351 test_expect_success 'continue walking past root commits' '
 352         git init orphanage &&
 353         (
 354                 cd orphanage &&
 355                 cat >expect <<-\EOF &&
 356                 HEAD@{0} commit (initial): orphan2-1
 357                 HEAD@{1} commit: orphan1-2
 358                 HEAD@{2} commit (initial): orphan1-1
 359                 HEAD@{3} commit (initial): initial
 360                 EOF
 361                 test_commit initial &&
 362                 git checkout --orphan orphan1 &&
 363                 test_commit orphan1-1 &&
 364                 test_commit orphan1-2 &&
 365                 git checkout --orphan orphan2 &&
 366                 test_commit orphan2-1 &&
 367                 git log -g --format="%gd %gs" >actual &&
 368                 test_cmp expect actual
 369         )
 370 '
 371
 372 test_done