mirror of
https://github.com/git/git.git
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58ecb2e383
"git pack-objects" learned to invoke a new hook program that enumerates extra objects to be used as anchoring points to keep otherwise unreachable objects in cruft packs. * tb/gc-recent-object-hook: gc: introduce `gc.recentObjectsHook` reachable.c: extract `obj_is_recent()`
368 lines
11 KiB
Bash
Executable File
368 lines
11 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2008 Johannes E. Schindelin
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#
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test_description='prune'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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day=$((60*60*24))
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week=$(($day*7))
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add_blob() {
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before=$(git count-objects | sed "s/ .*//") &&
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BLOB=$(echo aleph_0 | git hash-object -w --stdin) &&
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BLOB_FILE=.git/objects/$(echo $BLOB | sed "s/^../&\//") &&
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test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
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test_path_is_file $BLOB_FILE &&
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test-tool chmtime =+0 $BLOB_FILE
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}
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test_expect_success setup '
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>file &&
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git add file &&
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test_tick &&
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git commit -m initial &&
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git gc
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'
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test_expect_success 'bare repo prune is quiet without $GIT_DIR/objects/pack' '
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git clone -q --shared --template= --bare . bare.git &&
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rmdir bare.git/objects/pack &&
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git --git-dir=bare.git prune --no-progress 2>prune.err &&
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test_must_be_empty prune.err &&
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rm -r bare.git prune.err
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'
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test_expect_success 'prune stale packs' '
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orig_pack=$(echo .git/objects/pack/*.pack) &&
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>.git/objects/tmp_1.pack &&
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>.git/objects/tmp_2.pack &&
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test-tool chmtime =-86501 .git/objects/tmp_1.pack &&
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git prune --expire 1.day &&
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test_path_is_file $orig_pack &&
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test_path_is_file .git/objects/tmp_2.pack &&
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test_path_is_missing .git/objects/tmp_1.pack
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'
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test_expect_success 'prune --expire' '
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add_blob &&
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git prune --expire=1.hour.ago &&
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test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
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test_path_is_file $BLOB_FILE &&
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test-tool chmtime =-86500 $BLOB_FILE &&
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git prune --expire 1.day &&
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test $before = $(git count-objects | sed "s/ .*//") &&
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test_path_is_missing $BLOB_FILE
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'
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test_expect_success 'gc: implicit prune --expire' '
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add_blob &&
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test-tool chmtime =-$((2*$week-30)) $BLOB_FILE &&
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git gc --no-cruft &&
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test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
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test_path_is_file $BLOB_FILE &&
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test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
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git gc --no-cruft &&
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test $before = $(git count-objects | sed "s/ .*//") &&
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test_path_is_missing $BLOB_FILE
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'
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test_expect_success 'gc: refuse to start with invalid gc.pruneExpire' '
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test_when_finished "rm -rf repo" &&
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git init repo &&
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>repo/.git/config &&
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git -C repo config gc.pruneExpire invalid &&
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cat >expect <<-\EOF &&
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error: Invalid gc.pruneexpire: '\''invalid'\''
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fatal: bad config variable '\''gc.pruneexpire'\'' in file '\''.git/config'\'' at line 2
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EOF
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test_must_fail git -C repo gc 2>actual &&
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test_cmp expect actual
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'
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test_expect_success 'gc: start with ok gc.pruneExpire' '
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git config gc.pruneExpire 2.days.ago &&
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git gc --no-cruft
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'
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test_expect_success 'prune: prune nonsense parameters' '
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test_must_fail git prune garbage &&
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test_must_fail git prune --- &&
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test_must_fail git prune --no-such-option
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'
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test_expect_success 'prune: prune unreachable heads' '
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git config core.logAllRefUpdates false &&
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>file2 &&
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git add file2 &&
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git commit -m temporary &&
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tmp_head=$(git rev-list -1 HEAD) &&
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git reset HEAD^ &&
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git reflog expire --all &&
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git prune &&
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test_must_fail git reset $tmp_head --
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'
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test_expect_success 'prune: do not prune detached HEAD with no reflog' '
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git checkout --detach --quiet &&
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git commit --allow-empty -m "detached commit" &&
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git reflog expire --all &&
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git prune -n >prune_actual &&
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test_must_be_empty prune_actual
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'
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test_expect_success 'prune: prune former HEAD after checking out branch' '
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head_oid=$(git rev-parse HEAD) &&
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git checkout --quiet main &&
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git reflog expire --all &&
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git prune -v >prune_actual &&
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grep "$head_oid" prune_actual
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'
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test_expect_success 'prune: do not prune heads listed as an argument' '
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>file2 &&
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git add file2 &&
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git commit -m temporary &&
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tmp_head=$(git rev-list -1 HEAD) &&
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git reset HEAD^ &&
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git prune -- $tmp_head &&
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git reset $tmp_head --
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'
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test_expect_success 'gc --no-prune' '
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add_blob &&
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test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
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git config gc.pruneExpire 2.days.ago &&
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git gc --no-prune --no-cruft &&
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test 1 = $(git count-objects | sed "s/ .*//") &&
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test_path_is_file $BLOB_FILE
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'
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test_expect_success 'gc respects gc.pruneExpire' '
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git config gc.pruneExpire 5002.days.ago &&
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git gc --no-cruft &&
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test_path_is_file $BLOB_FILE &&
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git config gc.pruneExpire 5000.days.ago &&
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git gc --no-cruft &&
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test_path_is_missing $BLOB_FILE
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'
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test_expect_success 'gc --prune=<date>' '
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add_blob &&
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test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
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git gc --prune=5002.days.ago --no-cruft &&
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test_path_is_file $BLOB_FILE &&
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git gc --prune=5000.days.ago --no-cruft &&
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test_path_is_missing $BLOB_FILE
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'
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test_expect_success 'gc --prune=never' '
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add_blob &&
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git gc --prune=never --no-cruft &&
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test_path_is_file $BLOB_FILE &&
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git gc --prune=now --no-cruft &&
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test_path_is_missing $BLOB_FILE
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'
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test_expect_success 'gc respects gc.pruneExpire=never' '
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git config gc.pruneExpire never &&
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add_blob &&
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git gc --no-cruft &&
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test_path_is_file $BLOB_FILE &&
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git config gc.pruneExpire now &&
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git gc --no-cruft &&
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test_path_is_missing $BLOB_FILE
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'
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test_expect_success 'prune --expire=never' '
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add_blob &&
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git prune --expire=never &&
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test_path_is_file $BLOB_FILE &&
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git prune &&
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test_path_is_missing $BLOB_FILE
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'
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test_expect_success 'gc: prune old objects after local clone' '
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add_blob &&
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test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
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git clone --no-hardlinks . aclone &&
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(
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cd aclone &&
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test 1 = $(git count-objects | sed "s/ .*//") &&
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test_path_is_file $BLOB_FILE &&
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git gc --prune --no-cruft &&
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test 0 = $(git count-objects | sed "s/ .*//") &&
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test_path_is_missing $BLOB_FILE
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)
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'
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test_expect_success 'garbage report in count-objects -v' '
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test_when_finished "rm -f .git/objects/pack/fake*" &&
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test_when_finished "rm -f .git/objects/pack/foo*" &&
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>.git/objects/pack/foo &&
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>.git/objects/pack/foo.bar &&
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>.git/objects/pack/foo.keep &&
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>.git/objects/pack/foo.pack &&
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>.git/objects/pack/fake.bar &&
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>.git/objects/pack/fake.keep &&
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>.git/objects/pack/fake.pack &&
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>.git/objects/pack/fake.idx &&
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>.git/objects/pack/fake2.keep &&
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>.git/objects/pack/fake3.idx &&
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git count-objects -v 2>stderr &&
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grep "index file .git/objects/pack/fake.idx is too small" stderr &&
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grep "^warning:" stderr | sort >actual &&
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cat >expected <<\EOF &&
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warning: garbage found: .git/objects/pack/fake.bar
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warning: garbage found: .git/objects/pack/foo
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warning: garbage found: .git/objects/pack/foo.bar
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warning: no corresponding .idx or .pack: .git/objects/pack/fake2.keep
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warning: no corresponding .idx: .git/objects/pack/foo.keep
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warning: no corresponding .idx: .git/objects/pack/foo.pack
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warning: no corresponding .pack: .git/objects/pack/fake3.idx
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EOF
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test_cmp expected actual
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'
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test_expect_success 'clean pack garbage with gc' '
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test_when_finished "rm -f .git/objects/pack/fake*" &&
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test_when_finished "rm -f .git/objects/pack/foo*" &&
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>.git/objects/pack/foo.keep &&
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>.git/objects/pack/foo.pack &&
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>.git/objects/pack/fake.idx &&
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>.git/objects/pack/fake2.keep &&
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>.git/objects/pack/fake2.idx &&
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>.git/objects/pack/fake3.keep &&
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git gc --no-cruft &&
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git count-objects -v 2>stderr &&
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grep "^warning:" stderr | sort >actual &&
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cat >expected <<\EOF &&
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warning: no corresponding .idx or .pack: .git/objects/pack/fake3.keep
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warning: no corresponding .idx: .git/objects/pack/foo.keep
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warning: no corresponding .idx: .git/objects/pack/foo.pack
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EOF
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test_cmp expected actual
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'
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test_expect_success 'prune .git/shallow' '
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oid=$(echo hi|git commit-tree HEAD^{tree}) &&
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echo $oid >.git/shallow &&
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git prune --dry-run >out &&
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grep $oid .git/shallow &&
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grep $oid out &&
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git prune &&
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test_path_is_missing .git/shallow
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'
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test_expect_success 'prune .git/shallow when there are no loose objects' '
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oid=$(echo hi|git commit-tree HEAD^{tree}) &&
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echo $oid >.git/shallow &&
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git update-ref refs/heads/shallow-tip $oid &&
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git repack -ad &&
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# verify assumption that all loose objects are gone
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git count-objects | grep ^0 &&
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git prune &&
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echo $oid >expect &&
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test_cmp expect .git/shallow
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'
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test_expect_success 'prune: handle alternate object database' '
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test_create_repo A &&
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git -C A commit --allow-empty -m "initial commit" &&
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git clone --shared A B &&
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git -C B commit --allow-empty -m "next commit" &&
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git -C B prune
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'
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test_expect_success 'prune: handle index in multiple worktrees' '
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git worktree add second-worktree &&
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echo "new blob for second-worktree" >second-worktree/blob &&
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git -C second-worktree add blob &&
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git prune --expire=now &&
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git -C second-worktree show :blob >actual &&
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test_cmp second-worktree/blob actual
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'
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test_expect_success 'prune: handle HEAD in multiple worktrees' '
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git worktree add --detach third-worktree &&
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echo "new blob for third-worktree" >third-worktree/blob &&
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git -C third-worktree add blob &&
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git -C third-worktree commit -m "third" &&
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rm .git/worktrees/third-worktree/index &&
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test_must_fail git -C third-worktree show :blob &&
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git prune --expire=now &&
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git -C third-worktree show HEAD:blob >actual &&
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test_cmp third-worktree/blob actual
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'
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test_expect_success 'prune: handle HEAD reflog in multiple worktrees' '
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git config core.logAllRefUpdates true &&
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echo "lost blob for third-worktree" >expected &&
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(
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cd third-worktree &&
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cat ../expected >blob &&
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git add blob &&
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git commit -m "second commit in third" &&
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git clean -f && # Remove untracked left behind by deleting index
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git reset --hard HEAD^
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) &&
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git prune --expire=now &&
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oid=`git hash-object expected` &&
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git -C third-worktree show "$oid" >actual &&
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test_cmp expected actual
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'
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test_expect_success 'prune: handle expire option correctly' '
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test_must_fail git prune --expire 2>error &&
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test_i18ngrep "requires a value" error &&
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test_must_fail git prune --expire=nyah 2>error &&
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test_i18ngrep "malformed expiration" error &&
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git prune --no-expire
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'
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test_expect_success 'trivial prune with bitmaps enabled' '
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git repack -adb &&
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blob=$(echo bitmap-unreachable-blob | git hash-object -w --stdin) &&
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git prune --expire=now &&
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git cat-file -e HEAD &&
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test_must_fail git cat-file -e $blob
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'
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test_expect_success 'old reachable-from-recent retained with bitmaps' '
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git repack -adb &&
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to_drop=$(echo bitmap-from-recent-1 | git hash-object -w --stdin) &&
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test-tool chmtime -86400 .git/objects/$(test_oid_to_path $to_drop) &&
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to_save=$(echo bitmap-from-recent-2 | git hash-object -w --stdin) &&
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test-tool chmtime -86400 .git/objects/$(test_oid_to_path $to_save) &&
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tree=$(printf "100644 blob $to_save\tfile\n" | git mktree) &&
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test-tool chmtime -86400 .git/objects/$(test_oid_to_path $tree) &&
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commit=$(echo foo | git commit-tree $tree) &&
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git prune --expire=12.hours.ago &&
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git cat-file -e $commit &&
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git cat-file -e $tree &&
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git cat-file -e $to_save &&
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test_must_fail git cat-file -e $to_drop
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'
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test_expect_success 'gc.recentObjectsHook' '
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add_blob &&
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test-tool chmtime =-86500 $BLOB_FILE &&
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write_script precious-objects <<-EOF &&
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echo $BLOB
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EOF
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test_config gc.recentObjectsHook ./precious-objects &&
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git prune --expire=now &&
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git cat-file -p $BLOB
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'
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test_done
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