t/t5304-prune.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2008 Johannes E. Schindelin
   4 #
   5
   6 test_description='prune'
   7 . ./test-lib.sh
   8
   9 day=$((60*60*24))
  10 week=$(($day*7))
  11
  12 add_blob() {
  13         before=$(git count-objects | sed "s/ .*//") &&
  14         BLOB=$(echo aleph_0 | git hash-object -w --stdin) &&
  15         BLOB_FILE=.git/objects/$(echo $BLOB | sed "s/^../&\//") &&
  16         verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
  17         test_path_is_file $BLOB_FILE &&
  18         test-chmtime =+0 $BLOB_FILE
  19 }
  20
  21 test_expect_success setup '
  22
  23         : > file &&
  24         git add file &&
  25         test_tick &&
  26         git commit -m initial &&
  27         git gc
  28
  29 '
  30
  31 test_expect_success 'prune stale packs' '
  32
  33         orig_pack=$(echo .git/objects/pack/*.pack) &&
  34         : > .git/objects/tmp_1.pack &&
  35         : > .git/objects/tmp_2.pack &&
  36         test-chmtime =-86501 .git/objects/tmp_1.pack &&
  37         git prune --expire 1.day &&
  38         test_path_is_file $orig_pack &&
  39         test_path_is_file .git/objects/tmp_2.pack &&
  40         test_path_is_missing .git/objects/tmp_1.pack
  41
  42 '
  43
  44 test_expect_success 'prune --expire' '
  45
  46         add_blob &&
  47         git prune --expire=1.hour.ago &&
  48         verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
  49         test_path_is_file $BLOB_FILE &&
  50         test-chmtime =-86500 $BLOB_FILE &&
  51         git prune --expire 1.day &&
  52         verbose test $before = $(git count-objects | sed "s/ .*//") &&
  53         test_path_is_missing $BLOB_FILE
  54
  55 '
  56
  57 test_expect_success 'gc: implicit prune --expire' '
  58
  59         add_blob &&
  60         test-chmtime =-$((2*$week-30)) $BLOB_FILE &&
  61         git gc &&
  62         verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
  63         test_path_is_file $BLOB_FILE &&
  64         test-chmtime =-$((2*$week+1)) $BLOB_FILE &&
  65         git gc &&
  66         verbose test $before = $(git count-objects | sed "s/ .*//") &&
  67         test_path_is_missing $BLOB_FILE
  68
  69 '
  70
  71 test_expect_success 'gc: refuse to start with invalid gc.pruneExpire' '
  72
  73         git config gc.pruneExpire invalid &&
  74         test_must_fail git gc
  75
  76 '
  77
  78 test_expect_success 'gc: start with ok gc.pruneExpire' '
  79
  80         git config gc.pruneExpire 2.days.ago &&
  81         git gc
  82
  83 '
  84
  85 test_expect_success 'prune: prune nonsense parameters' '
  86
  87         test_must_fail git prune garbage &&
  88         test_must_fail git prune --- &&
  89         test_must_fail git prune --no-such-option
  90
  91 '
  92
  93 test_expect_success 'prune: prune unreachable heads' '
  94
  95         git config core.logAllRefUpdates false &&
  96         mv .git/logs .git/logs.old &&
  97         : > file2 &&
  98         git add file2 &&
  99         git commit -m temporary &&
 100         tmp_head=$(git rev-list -1 HEAD) &&
 101         git reset HEAD^ &&
 102         git prune &&
 103         test_must_fail git reset $tmp_head --
 104
 105 '
 106
 107 test_expect_success 'prune: do not prune detached HEAD with no reflog' '
 108
 109         git checkout --detach --quiet &&
 110         git commit --allow-empty -m "detached commit" &&
 111         # verify that there is no reflogs
 112         # (should be removed and disabled by previous test)
 113         test_path_is_missing .git/logs &&
 114         git prune -n >prune_actual &&
 115         : >prune_expected &&
 116         test_cmp prune_actual prune_expected
 117
 118 '
 119
 120 test_expect_success 'prune: prune former HEAD after checking out branch' '
 121
 122         head_sha1=$(git rev-parse HEAD) &&
 123         git checkout --quiet master &&
 124         git prune -v >prune_actual &&
 125         grep "$head_sha1" prune_actual
 126
 127 '
 128
 129 test_expect_success 'prune: do not prune heads listed as an argument' '
 130
 131         : > file2 &&
 132         git add file2 &&
 133         git commit -m temporary &&
 134         tmp_head=$(git rev-list -1 HEAD) &&
 135         git reset HEAD^ &&
 136         git prune -- $tmp_head &&
 137         git reset $tmp_head --
 138
 139 '
 140
 141 test_expect_success 'gc --no-prune' '
 142
 143         add_blob &&
 144         test-chmtime =-$((5001*$day)) $BLOB_FILE &&
 145         git config gc.pruneExpire 2.days.ago &&
 146         git gc --no-prune &&
 147         verbose test 1 = $(git count-objects | sed "s/ .*//") &&
 148         test_path_is_file $BLOB_FILE
 149
 150 '
 151
 152 test_expect_success 'gc respects gc.pruneExpire' '
 153
 154         git config gc.pruneExpire 5002.days.ago &&
 155         git gc &&
 156         test_path_is_file $BLOB_FILE &&
 157         git config gc.pruneExpire 5000.days.ago &&
 158         git gc &&
 159         test_path_is_missing $BLOB_FILE
 160
 161 '
 162
 163 test_expect_success 'gc --prune=<date>' '
 164
 165         add_blob &&
 166         test-chmtime =-$((5001*$day)) $BLOB_FILE &&
 167         git gc --prune=5002.days.ago &&
 168         test_path_is_file $BLOB_FILE &&
 169         git gc --prune=5000.days.ago &&
 170         test_path_is_missing $BLOB_FILE
 171
 172 '
 173
 174 test_expect_success 'gc --prune=never' '
 175
 176         add_blob &&
 177         git gc --prune=never &&
 178         test_path_is_file $BLOB_FILE &&
 179         git gc --prune=now &&
 180         test_path_is_missing $BLOB_FILE
 181
 182 '
 183
 184 test_expect_success 'gc respects gc.pruneExpire=never' '
 185
 186         git config gc.pruneExpire never &&
 187         add_blob &&
 188         git gc &&
 189         test_path_is_file $BLOB_FILE &&
 190         git config gc.pruneExpire now &&
 191         git gc &&
 192         test_path_is_missing $BLOB_FILE
 193
 194 '
 195
 196 test_expect_success 'prune --expire=never' '
 197
 198         add_blob &&
 199         git prune --expire=never &&
 200         test_path_is_file $BLOB_FILE &&
 201         git prune &&
 202         test_path_is_missing $BLOB_FILE
 203
 204 '
 205
 206 test_expect_success 'gc: prune old objects after local clone' '
 207         add_blob &&
 208         test-chmtime =-$((2*$week+1)) $BLOB_FILE &&
 209         git clone --no-hardlinks . aclone &&
 210         (
 211                 cd aclone &&
 212                 verbose test 1 = $(git count-objects | sed "s/ .*//") &&
 213                 test_path_is_file $BLOB_FILE &&
 214                 git gc --prune &&
 215                 verbose test 0 = $(git count-objects | sed "s/ .*//") &&
 216                 test_path_is_missing $BLOB_FILE
 217         )
 218 '
 219
 220 test_expect_success 'garbage report in count-objects -v' '
 221         test_when_finished "rm -f .git/objects/pack/fake*" &&
 222         test_when_finished "rm -f .git/objects/pack/foo*" &&
 223         : >.git/objects/pack/foo &&
 224         : >.git/objects/pack/foo.bar &&
 225         : >.git/objects/pack/foo.keep &&
 226         : >.git/objects/pack/foo.pack &&
 227         : >.git/objects/pack/fake.bar &&
 228         : >.git/objects/pack/fake.keep &&
 229         : >.git/objects/pack/fake.pack &&
 230         : >.git/objects/pack/fake.idx &&
 231         : >.git/objects/pack/fake2.keep &&
 232         : >.git/objects/pack/fake3.idx &&
 233         git count-objects -v 2>stderr &&
 234         grep "index file .git/objects/pack/fake.idx is too small" stderr &&
 235         grep "^warning:" stderr | sort >actual &&
 236         cat >expected <<\EOF &&
 237 warning: garbage found: .git/objects/pack/fake.bar
 238 warning: garbage found: .git/objects/pack/foo
 239 warning: garbage found: .git/objects/pack/foo.bar
 240 warning: no corresponding .idx or .pack: .git/objects/pack/fake2.keep
 241 warning: no corresponding .idx: .git/objects/pack/foo.keep
 242 warning: no corresponding .idx: .git/objects/pack/foo.pack
 243 warning: no corresponding .pack: .git/objects/pack/fake3.idx
 244 EOF
 245         test_cmp expected actual
 246 '
 247
 248 test_expect_success 'clean pack garbage with gc' '
 249         test_when_finished "rm -f .git/objects/pack/fake*" &&
 250         test_when_finished "rm -f .git/objects/pack/foo*" &&
 251         : >.git/objects/pack/foo.keep &&
 252         : >.git/objects/pack/foo.pack &&
 253         : >.git/objects/pack/fake.idx &&
 254         : >.git/objects/pack/fake2.keep &&
 255         : >.git/objects/pack/fake2.idx &&
 256         : >.git/objects/pack/fake3.keep &&
 257         git gc &&
 258         git count-objects -v 2>stderr &&
 259         grep "^warning:" stderr | sort >actual &&
 260         cat >expected <<\EOF &&
 261 warning: no corresponding .idx or .pack: .git/objects/pack/fake3.keep
 262 warning: no corresponding .idx: .git/objects/pack/foo.keep
 263 warning: no corresponding .idx: .git/objects/pack/foo.pack
 264 EOF
 265         test_cmp expected actual
 266 '
 267
 268 test_expect_success 'prune .git/shallow' '
 269         SHA1=$(echo hi|git commit-tree HEAD^{tree}) &&
 270         echo $SHA1 >.git/shallow &&
 271         git prune --dry-run >out &&
 272         grep $SHA1 .git/shallow &&
 273         grep $SHA1 out &&
 274         git prune &&
 275         test_path_is_missing .git/shallow
 276 '
 277
 278 test_expect_success 'prune: handle alternate object database' '
 279         test_create_repo A &&
 280         git -C A commit --allow-empty -m "initial commit" &&
 281         git clone --shared A B &&
 282         git -C B commit --allow-empty -m "next commit" &&
 283         git -C B prune
 284 '
 285
 286 test_expect_success 'prune: handle index in multiple worktrees' '
 287         git worktree add second-worktree &&
 288         echo "new blob for second-worktree" >second-worktree/blob &&
 289         git -C second-worktree add blob &&
 290         git prune --expire=now &&
 291         git -C second-worktree show :blob >actual &&
 292         test_cmp second-worktree/blob actual
 293 '
 294
 295 test_expect_success 'prune: handle HEAD in multiple worktrees' '
 296         git worktree add --detach third-worktree &&
 297         echo "new blob for third-worktree" >third-worktree/blob &&
 298         git -C third-worktree add blob &&
 299         git -C third-worktree commit -m "third" &&
 300         rm .git/worktrees/third-worktree/index &&
 301         test_must_fail git -C third-worktree show :blob &&
 302         git prune --expire=now &&
 303         git -C third-worktree show HEAD:blob >actual &&
 304         test_cmp third-worktree/blob actual
 305 '
 306
 307 test_expect_success 'prune: handle HEAD reflog in multiple worktrees' '
 308         git config core.logAllRefUpdates true &&
 309         echo "lost blob for third-worktree" >expected &&
 310         (
 311                 cd third-worktree &&
 312                 cat ../expected >blob &&
 313                 git add blob &&
 314                 git commit -m "second commit in third" &&
 315                 git reset --hard HEAD^
 316         ) &&
 317         git prune --expire=now &&
 318         SHA1=`git hash-object expected` &&
 319         git -C third-worktree show "$SHA1" >actual &&
 320         test_cmp expected actual
 321 '
 322
 323 test_done