1#!/bin/sh
   2#
   3# Copyright (c) 2008 Johannes E. Schindelin
   4#
   5test_description='prune'
   7. ./test-lib.sh
   8day=$((60*60*24))
  10week=$(($day*7))
  11add_blob() {
  13        before=$(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-tool chmtime =+0 $BLOB_FILE
  19}
  20test_expect_success setup '
  22        : > file &&
  24        git add file &&
  25        test_tick &&
  26        git commit -m initial &&
  27        git gc
  28'
  30test_expect_success 'prune stale packs' '
  32        orig_pack=$(echo .git/objects/pack/*.pack) &&
  34        : > .git/objects/tmp_1.pack &&
  35        : > .git/objects/tmp_2.pack &&
  36        test-tool 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'
  43test_expect_success 'prune --expire' '
  45        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-tool chmtime =-86500 $BLOB_FILE &&
  51        git prune --expire 1.day &&
  52        verbose test $before = $(git count-objects | sed "s/ .*//") &&
  53        test_path_is_missing $BLOB_FILE
  54'
  56test_expect_success 'gc: implicit prune --expire' '
  58        add_blob &&
  60        test-tool chmtime =-$((2*$week-30)) $BLOB_FILE &&
  61        git gc &&
  62        verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
  63        test_path_is_file $BLOB_FILE &&
  64        test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
  65        git gc &&
  66        verbose test $before = $(git count-objects | sed "s/ .*//") &&
  67        test_path_is_missing $BLOB_FILE
  68'
  70test_expect_success 'gc: refuse to start with invalid gc.pruneExpire' '
  72        git config gc.pruneExpire invalid &&
  74        test_must_fail git gc
  75'
  77test_expect_success 'gc: start with ok gc.pruneExpire' '
  79        git config gc.pruneExpire 2.days.ago &&
  81        git gc
  82'
  84test_expect_success 'prune: prune nonsense parameters' '
  86        test_must_fail git prune garbage &&
  88        test_must_fail git prune --- &&
  89        test_must_fail git prune --no-such-option
  90'
  92test_expect_success 'prune: prune unreachable heads' '
  94        git config core.logAllRefUpdates false &&
  96        mv .git/logs .git/logs.old &&
  97        : > file2 &&
  98        git add file2 &&
  99        git commit -m temporary &&
 100        tmp_head=$(git rev-list -1 HEAD) &&
 101        git reset HEAD^ &&
 102        git prune &&
 103        test_must_fail git reset $tmp_head --
 104'
 106test_expect_success 'prune: do not prune detached HEAD with no reflog' '
 108        git checkout --detach --quiet &&
 110        git commit --allow-empty -m "detached commit" &&
 111        # verify that there is no reflogs
 112        # (should be removed and disabled by previous test)
 113        test_path_is_missing .git/logs &&
 114        git prune -n >prune_actual &&
 115        test_must_be_empty prune_actual
 116'
 118test_expect_success 'prune: prune former HEAD after checking out branch' '
 120        head_sha1=$(git rev-parse HEAD) &&
 122        git checkout --quiet master &&
 123        git prune -v >prune_actual &&
 124        grep "$head_sha1" prune_actual
 125'
 127test_expect_success 'prune: do not prune heads listed as an argument' '
 129        : > file2 &&
 131        git add file2 &&
 132        git commit -m temporary &&
 133        tmp_head=$(git rev-list -1 HEAD) &&
 134        git reset HEAD^ &&
 135        git prune -- $tmp_head &&
 136        git reset $tmp_head --
 137'
 139test_expect_success 'gc --no-prune' '
 141        add_blob &&
 143        test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
 144        git config gc.pruneExpire 2.days.ago &&
 145        git gc --no-prune &&
 146        verbose test 1 = $(git count-objects | sed "s/ .*//") &&
 147        test_path_is_file $BLOB_FILE
 148'
 150test_expect_success 'gc respects gc.pruneExpire' '
 152        git config gc.pruneExpire 5002.days.ago &&
 154        git gc &&
 155        test_path_is_file $BLOB_FILE &&
 156        git config gc.pruneExpire 5000.days.ago &&
 157        git gc &&
 158        test_path_is_missing $BLOB_FILE
 159'
 161test_expect_success 'gc --prune=<date>' '
 163        add_blob &&
 165        test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
 166        git gc --prune=5002.days.ago &&
 167        test_path_is_file $BLOB_FILE &&
 168        git gc --prune=5000.days.ago &&
 169        test_path_is_missing $BLOB_FILE
 170'
 172test_expect_success 'gc --prune=never' '
 174        add_blob &&
 176        git gc --prune=never &&
 177        test_path_is_file $BLOB_FILE &&
 178        git gc --prune=now &&
 179        test_path_is_missing $BLOB_FILE
 180'
 182test_expect_success 'gc respects gc.pruneExpire=never' '
 184        git config gc.pruneExpire never &&
 186        add_blob &&
 187        git gc &&
 188        test_path_is_file $BLOB_FILE &&
 189        git config gc.pruneExpire now &&
 190        git gc &&
 191        test_path_is_missing $BLOB_FILE
 192'
 194test_expect_success 'prune --expire=never' '
 196        add_blob &&
 198        git prune --expire=never &&
 199        test_path_is_file $BLOB_FILE &&
 200        git prune &&
 201        test_path_is_missing $BLOB_FILE
 202'
 204test_expect_success 'gc: prune old objects after local clone' '
 206        add_blob &&
 207        test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
 208        git clone --no-hardlinks . aclone &&
 209        (
 210                cd aclone &&
 211                verbose test 1 = $(git count-objects | sed "s/ .*//") &&
 212                test_path_is_file $BLOB_FILE &&
 213                git gc --prune &&
 214                verbose test 0 = $(git count-objects | sed "s/ .*//") &&
 215                test_path_is_missing $BLOB_FILE
 216        )
 217'
 218test_expect_success 'garbage report in count-objects -v' '
 220        test_when_finished "rm -f .git/objects/pack/fake*" &&
 221        test_when_finished "rm -f .git/objects/pack/foo*" &&
 222        : >.git/objects/pack/foo &&
 223        : >.git/objects/pack/foo.bar &&
 224        : >.git/objects/pack/foo.keep &&
 225        : >.git/objects/pack/foo.pack &&
 226        : >.git/objects/pack/fake.bar &&
 227        : >.git/objects/pack/fake.keep &&
 228        : >.git/objects/pack/fake.pack &&
 229        : >.git/objects/pack/fake.idx &&
 230        : >.git/objects/pack/fake2.keep &&
 231        : >.git/objects/pack/fake3.idx &&
 232        git count-objects -v 2>stderr &&
 233        grep "index file .git/objects/pack/fake.idx is too small" stderr &&
 234        grep "^warning:" stderr | sort >actual &&
 235        cat >expected <<\EOF &&
 236warning: garbage found: .git/objects/pack/fake.bar
 237warning: garbage found: .git/objects/pack/foo
 238warning: garbage found: .git/objects/pack/foo.bar
 239warning: no corresponding .idx or .pack: .git/objects/pack/fake2.keep
 240warning: no corresponding .idx: .git/objects/pack/foo.keep
 241warning: no corresponding .idx: .git/objects/pack/foo.pack
 242warning: no corresponding .pack: .git/objects/pack/fake3.idx
 243EOF
 244        test_cmp expected actual
 245'
 246test_expect_success 'clean pack garbage with gc' '
 248        test_when_finished "rm -f .git/objects/pack/fake*" &&
 249        test_when_finished "rm -f .git/objects/pack/foo*" &&
 250        : >.git/objects/pack/foo.keep &&
 251        : >.git/objects/pack/foo.pack &&
 252        : >.git/objects/pack/fake.idx &&
 253        : >.git/objects/pack/fake2.keep &&
 254        : >.git/objects/pack/fake2.idx &&
 255        : >.git/objects/pack/fake3.keep &&
 256        git gc &&
 257        git count-objects -v 2>stderr &&
 258        grep "^warning:" stderr | sort >actual &&
 259        cat >expected <<\EOF &&
 260warning: no corresponding .idx or .pack: .git/objects/pack/fake3.keep
 261warning: no corresponding .idx: .git/objects/pack/foo.keep
 262warning: no corresponding .idx: .git/objects/pack/foo.pack
 263EOF
 264        test_cmp expected actual
 265'
 266test_expect_success 'prune .git/shallow' '
 268        SHA1=$(echo hi|git commit-tree HEAD^{tree}) &&
 269        echo $SHA1 >.git/shallow &&
 270        git prune --dry-run >out &&
 271        grep $SHA1 .git/shallow &&
 272        grep $SHA1 out &&
 273        git prune &&
 274        test_path_is_missing .git/shallow
 275'
 276test_expect_success 'prune: handle alternate object database' '
 278        test_create_repo A &&
 279        git -C A commit --allow-empty -m "initial commit" &&
 280        git clone --shared A B &&
 281        git -C B commit --allow-empty -m "next commit" &&
 282        git -C B prune
 283'
 284test_expect_success 'prune: handle index in multiple worktrees' '
 286        git worktree add second-worktree &&
 287        echo "new blob for second-worktree" >second-worktree/blob &&
 288        git -C second-worktree add blob &&
 289        git prune --expire=now &&
 290        git -C second-worktree show :blob >actual &&
 291        test_cmp second-worktree/blob actual
 292'
 293test_expect_success 'prune: handle HEAD in multiple worktrees' '
 295        git worktree add --detach third-worktree &&
 296        echo "new blob for third-worktree" >third-worktree/blob &&
 297        git -C third-worktree add blob &&
 298        git -C third-worktree commit -m "third" &&
 299        rm .git/worktrees/third-worktree/index &&
 300        test_must_fail git -C third-worktree show :blob &&
 301        git prune --expire=now &&
 302        git -C third-worktree show HEAD:blob >actual &&
 303        test_cmp third-worktree/blob actual
 304'
 305test_expect_success 'prune: handle HEAD reflog in multiple worktrees' '
 307        git config core.logAllRefUpdates true &&
 308        echo "lost blob for third-worktree" >expected &&
 309        (
 310                cd third-worktree &&
 311                cat ../expected >blob &&
 312                git add blob &&
 313                git commit -m "second commit in third" &&
 314                git reset --hard HEAD^
 315        ) &&
 316        git prune --expire=now &&
 317        SHA1=`git hash-object expected` &&
 318        git -C third-worktree show "$SHA1" >actual &&
 319        test_cmp expected actual
 320'
 321test_expect_success 'prune: handle expire option correctly' '
 323        test_must_fail git prune --expire 2>error &&
 324        test_i18ngrep "requires a value" error &&
 325        test_must_fail git prune --expire=nyah 2>error &&
 327        test_i18ngrep "malformed expiration" error &&
 328        git prune --no-expire
 330'
 331test_done