Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2#
   3# Copyright (c) 2007 Junio C Hamano
   4#
   5
   6test_description='Test prune and reflog expiration'
   7. ./test-lib.sh
   8
   9check_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 "$gaah"
  20}
  21
  22check_fsck () {
  23        output=$(git fsck --full)
  24        case "$1" in
  25        '')
  26                test -z "$output" ;;
  27        *)
  28                echo "$output" | grep "$1" ;;
  29        esac
  30}
  31
  32corrupt () {
  33        aa=${1%??????????????????????????????????????} zz=${1#??}
  34        mv .git/objects/$aa/$zz .git/$aa$zz
  35}
  36
  37recover () {
  38        aa=${1%??????????????????????????????????????} zz=${1#??}
  39        mkdir -p .git/objects/$aa
  40        mv .git/$aa$zz .git/objects/$aa/$zz
  41}
  42
  43check_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 "$gaah"
  55}
  56
  57test_expect_success setup '
  58        mkdir -p A/B &&
  59        echo rat >C &&
  60        echo ox >A/D &&
  61        echo tiger >A/B/E &&
  62        git add . &&
  63
  64        test_tick && git commit -m rabbit &&
  65        H=$(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
 107test_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
 124test_expect_success 'corrupt and check' '
 125
 126        corrupt $F &&
 127        check_fsck "missing blob $F"
 128
 129'
 130
 131test_expect_success 'reflog expire --dry-run should not touch reflog' '
 132
 133        git reflog expire --dry-run \
 134                --expire=$(($test_tick - 10000)) \
 135                --expire-unreachable=$(($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 $F"
 143'
 144
 145test_expect_success 'reflog expire' '
 146
 147        git reflog expire --verbose \
 148                --expire=$(($test_tick - 10000)) \
 149                --expire-unreachable=$(($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
 159test_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
 169test_expect_success 'recover and check' '
 170
 171        recover $F &&
 172        check_fsck "dangling blob $F"
 173
 174'
 175
 176test_expect_success 'delete' '
 177        echo 1 > C &&
 178        test_tick &&
 179        git commit -m rat C &&
 180
 181        echo 2 > C &&
 182        test_tick &&
 183        git commit -m ox C &&
 184
 185        echo 3 > C &&
 186        test_tick &&
 187        git commit -m tiger C &&
 188
 189        HEAD_entry_count=$(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
 217test_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
 224test_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
 234test_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
 243test_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
 256test_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
 264test_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
 281test_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.
 308test_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
 328test_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
 336test_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
 341test_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
 351test_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
 372test_done