Replace a 'git repack --cruft -d' with the wrapper 'git gc --cruft' to exercise some logic in builtin/gc.c that adds the '--cruft' option to the underlying 'git repack' command. Signed-off-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
		
			
				
	
	
		
			742 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			742 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/sh
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test_description='cruft pack related pack-objects tests'
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. ./test-lib.sh
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objdir=.git/objects
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packdir=$objdir/pack
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basic_cruft_pack_tests () {
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	expire="$1"
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	test_expect_success "unreachable loose objects are packed (expire $expire)" '
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		git init repo &&
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		test_when_finished "rm -fr repo" &&
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		(
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			cd repo &&
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			test_commit base &&
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			git repack -Ad &&
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			test_commit loose &&
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			test-tool chmtime +2000 "$objdir/$(test_oid_to_path \
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				$(git rev-parse loose:loose.t))" &&
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			test-tool chmtime +1000 "$objdir/$(test_oid_to_path \
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				$(git rev-parse loose^{tree}))" &&
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			(
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				git rev-list --objects --no-object-names base..loose |
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				while read oid
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				do
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					path="$objdir/$(test_oid_to_path "$oid")" &&
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					printf "%s %d\n" "$oid" "$(test-tool chmtime --get "$path")"
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				done |
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				sort -k1
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			) >expect &&
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			keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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			cruft="$(echo $keep | git pack-objects --cruft \
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				--cruft-expiration="$expire" $packdir/pack)" &&
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			test-tool pack-mtimes "pack-$cruft.mtimes" >actual &&
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			test_cmp expect actual
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		)
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	'
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	test_expect_success "unreachable packed objects are packed (expire $expire)" '
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		git init repo &&
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		test_when_finished "rm -fr repo" &&
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		(
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			cd repo &&
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			test_commit packed &&
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			git repack -Ad &&
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			test_commit other &&
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			git rev-list --objects --no-object-names packed.. >objects &&
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			keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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			other="$(git pack-objects --delta-base-offset \
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				$packdir/pack <objects)" &&
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			git prune-packed &&
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			test-tool chmtime --get -100 "$packdir/pack-$other.pack" >expect &&
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			cruft="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF
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			$keep
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			-pack-$other.pack
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			EOF
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			)" &&
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			test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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			cut -d" " -f2 <actual.raw | sort -u >actual &&
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			test_cmp expect actual
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		)
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	'
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	test_expect_success "unreachable cruft objects are repacked (expire $expire)" '
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		git init repo &&
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		test_when_finished "rm -fr repo" &&
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		(
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			cd repo &&
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			test_commit packed &&
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			git repack -Ad &&
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			test_commit other &&
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			git rev-list --objects --no-object-names packed.. >objects &&
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			keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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			cruft_a="$(echo $keep | git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack)" &&
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			git prune-packed &&
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			cruft_b="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF
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			$keep
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			-pack-$cruft_a.pack
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			EOF
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			)" &&
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			test-tool pack-mtimes "pack-$cruft_a.mtimes" >expect.raw &&
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			test-tool pack-mtimes "pack-$cruft_b.mtimes" >actual.raw &&
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			sort <expect.raw >expect &&
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			sort <actual.raw >actual &&
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			test_cmp expect actual
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		)
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	'
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	test_expect_success "multiple cruft packs (expire $expire)" '
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		git init repo &&
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		test_when_finished "rm -fr repo" &&
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		(
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			cd repo &&
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			test_commit reachable &&
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			git repack -Ad &&
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			keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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			test_commit cruft &&
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			loose="$objdir/$(test_oid_to_path $(git rev-parse cruft))" &&
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			# generate three copies of the cruft object in different
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			# cruft packs, each with a unique mtime:
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			#   - one expired (1000 seconds ago)
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			#   - two non-expired (one 1000 seconds in the future,
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			#     one 1500 seconds in the future)
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			test-tool chmtime =-1000 "$loose" &&
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			git pack-objects --cruft $packdir/pack-A <<-EOF &&
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			$keep
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			EOF
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			test-tool chmtime =+1000 "$loose" &&
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			git pack-objects --cruft $packdir/pack-B <<-EOF &&
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			$keep
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			-$(basename $(ls $packdir/pack-A-*.pack))
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			EOF
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			test-tool chmtime =+1500 "$loose" &&
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			git pack-objects --cruft $packdir/pack-C <<-EOF &&
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			$keep
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			-$(basename $(ls $packdir/pack-A-*.pack))
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			-$(basename $(ls $packdir/pack-B-*.pack))
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			EOF
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			# ensure the resulting cruft pack takes the most recent
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			# mtime among all copies
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			cruft="$(git pack-objects --cruft \
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				--cruft-expiration="$expire" \
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				$packdir/pack <<-EOF
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			$keep
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			-$(basename $(ls $packdir/pack-A-*.pack))
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			-$(basename $(ls $packdir/pack-B-*.pack))
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			-$(basename $(ls $packdir/pack-C-*.pack))
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			EOF
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			)" &&
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			test-tool pack-mtimes "$(basename $(ls $packdir/pack-C-*.mtimes))" >expect.raw &&
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			test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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			sort expect.raw >expect &&
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			sort actual.raw >actual &&
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			test_cmp expect actual
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		)
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	'
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	test_expect_success "cruft packs tolerate missing trees (expire $expire)" '
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		git init repo &&
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		test_when_finished "rm -fr repo" &&
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		(
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			cd repo &&
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			test_commit reachable &&
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			test_commit cruft &&
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			tree="$(git rev-parse cruft^{tree})" &&
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			git reset --hard reachable &&
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			git tag -d cruft &&
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			git reflog expire --all --expire=all &&
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			# remove the unreachable tree, but leave the commit
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			# which has it as its root tree intact
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			rm -fr "$objdir/$(test_oid_to_path "$tree")" &&
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			git repack -Ad &&
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			basename $(ls $packdir/pack-*.pack) >in &&
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			git pack-objects --cruft --cruft-expiration="$expire" \
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				$packdir/pack <in
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		)
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	'
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	test_expect_success "cruft packs tolerate missing blobs (expire $expire)" '
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		git init repo &&
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		test_when_finished "rm -fr repo" &&
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		(
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			cd repo &&
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			test_commit reachable &&
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			test_commit cruft &&
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			blob="$(git rev-parse cruft:cruft.t)" &&
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			git reset --hard reachable &&
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			git tag -d cruft &&
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			git reflog expire --all --expire=all &&
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			# remove the unreachable blob, but leave the commit (and
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			# the root tree of that commit) intact
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			rm -fr "$objdir/$(test_oid_to_path "$blob")" &&
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			git repack -Ad &&
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			basename $(ls $packdir/pack-*.pack) >in &&
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			git pack-objects --cruft --cruft-expiration="$expire" \
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				$packdir/pack <in
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		)
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	'
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}
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basic_cruft_pack_tests never
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basic_cruft_pack_tests 2.weeks.ago
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test_expect_success 'cruft tags rescue tagged objects' '
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	git init repo &&
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	test_when_finished "rm -fr repo" &&
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	(
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		cd repo &&
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		test_commit packed &&
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		git repack -Ad &&
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		test_commit tagged &&
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		git tag -a annotated -m tag &&
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		git rev-list --objects --no-object-names packed.. >objects &&
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		while read oid
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		do
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			test-tool chmtime -1000 \
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				"$objdir/$(test_oid_to_path $oid)"
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		done <objects &&
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		test-tool chmtime -500 \
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			"$objdir/$(test_oid_to_path $(git rev-parse annotated))" &&
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		keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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		cruft="$(echo $keep | git pack-objects --cruft \
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			--cruft-expiration=750.seconds.ago \
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			$packdir/pack)" &&
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		test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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		cut -f1 -d" " <actual.raw | sort >actual &&
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		(
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			cat objects &&
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			git rev-parse annotated
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		) >expect.raw &&
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		sort <expect.raw >expect &&
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		test_cmp expect actual &&
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		cat actual
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	)
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'
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test_expect_success 'cruft commits rescue parents, trees' '
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	git init repo &&
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	test_when_finished "rm -fr repo" &&
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	(
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		cd repo &&
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		test_commit packed &&
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		git repack -Ad &&
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		test_commit old &&
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		test_commit new &&
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		git rev-list --objects --no-object-names packed..new >objects &&
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		while read object
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		do
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			test-tool chmtime -1000 \
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				"$objdir/$(test_oid_to_path $object)"
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		done <objects &&
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		test-tool chmtime +500 "$objdir/$(test_oid_to_path \
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			$(git rev-parse HEAD))" &&
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		keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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		cruft="$(echo $keep | git pack-objects --cruft \
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			--cruft-expiration=750.seconds.ago \
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			$packdir/pack)" &&
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		test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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		cut -d" " -f1 <actual.raw | sort >actual &&
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		sort <objects >expect &&
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		test_cmp expect actual
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	)
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'
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test_expect_success 'cruft trees rescue sub-trees, blobs' '
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	git init repo &&
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	test_when_finished "rm -fr repo" &&
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	(
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		cd repo &&
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		test_commit packed &&
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		git repack -Ad &&
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		mkdir -p dir/sub &&
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		echo foo >foo &&
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		echo bar >dir/bar &&
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		echo baz >dir/sub/baz &&
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		test_tick &&
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		git add . &&
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		git commit -m "pruned" &&
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		test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD))" &&
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		test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD^{tree}))" &&
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		test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:foo))" &&
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		test-tool chmtime  -500 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir))" &&
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		test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/bar))" &&
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		test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub))" &&
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		test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub/baz))" &&
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		keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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		cruft="$(echo $keep | git pack-objects --cruft \
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			--cruft-expiration=750.seconds.ago \
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			$packdir/pack)" &&
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		test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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		cut -f1 -d" " <actual.raw | sort >actual &&
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		git rev-parse HEAD:dir HEAD:dir/bar HEAD:dir/sub HEAD:dir/sub/baz >expect.raw &&
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		sort <expect.raw >expect &&
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		test_cmp expect actual
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	)
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'
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test_expect_success 'expired objects are pruned' '
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	git init repo &&
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	test_when_finished "rm -fr repo" &&
 | 
						|
	(
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		cd repo &&
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		test_commit packed &&
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		git repack -Ad &&
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		test_commit pruned &&
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		git rev-list --objects --no-object-names packed..pruned >objects &&
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		while read object
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		do
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			test-tool chmtime -1000 \
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				"$objdir/$(test_oid_to_path $object)"
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						|
		done <objects &&
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 | 
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		keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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		cruft="$(echo $keep | git pack-objects --cruft \
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			--cruft-expiration=750.seconds.ago \
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			$packdir/pack)" &&
 | 
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 | 
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		test-tool pack-mtimes "pack-$cruft.mtimes" >actual &&
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		test_must_be_empty actual
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	)
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'
 | 
						|
 | 
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test_expect_success 'repack --cruft generates a cruft pack' '
 | 
						|
	git init repo &&
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						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
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						|
		test_commit reachable &&
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		git branch -M main &&
 | 
						|
		git checkout --orphan other &&
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						|
		test_commit unreachable &&
 | 
						|
 | 
						|
		git checkout main &&
 | 
						|
		git branch -D other &&
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						|
		git tag -d unreachable &&
 | 
						|
		# objects are not cruft if they are contained in the reflogs
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		git reflog expire --all --expire=all &&
 | 
						|
 | 
						|
		git rev-list --objects --all --no-object-names >reachable.raw &&
 | 
						|
		git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
 | 
						|
		sort <reachable.raw >reachable &&
 | 
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		comm -13 reachable objects >unreachable &&
 | 
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 | 
						|
		git repack --cruft -d &&
 | 
						|
 | 
						|
		cruft=$(basename $(ls $packdir/pack-*.mtimes) .mtimes) &&
 | 
						|
		pack=$(basename $(ls $packdir/pack-*.pack | grep -v $cruft) .pack) &&
 | 
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 | 
						|
		git show-index <$packdir/$pack.idx >actual.raw &&
 | 
						|
		cut -f2 -d" " actual.raw | sort >actual &&
 | 
						|
		test_cmp reachable actual &&
 | 
						|
 | 
						|
		git show-index <$packdir/$cruft.idx >actual.raw &&
 | 
						|
		cut -f2 -d" " actual.raw | sort >actual &&
 | 
						|
		test_cmp unreachable actual
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'loose objects mtimes upsert others' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit reachable &&
 | 
						|
		git repack -Ad &&
 | 
						|
		git branch -M main &&
 | 
						|
 | 
						|
		git checkout --orphan other &&
 | 
						|
		test_commit cruft &&
 | 
						|
		# incremental repack, leaving existing objects loose (so
 | 
						|
		# they can be "freshened")
 | 
						|
		git repack &&
 | 
						|
 | 
						|
		tip="$(git rev-parse cruft)" &&
 | 
						|
		path="$objdir/$(test_oid_to_path "$tip")" &&
 | 
						|
		test-tool chmtime --get +1000 "$path" >expect &&
 | 
						|
 | 
						|
		git checkout main &&
 | 
						|
		git branch -D other &&
 | 
						|
		git tag -d cruft &&
 | 
						|
		git reflog expire --all --expire=all &&
 | 
						|
 | 
						|
		git repack --cruft -d &&
 | 
						|
 | 
						|
		mtimes="$(basename $(ls $packdir/pack-*.mtimes))" &&
 | 
						|
		test-tool pack-mtimes "$mtimes" >actual.raw &&
 | 
						|
		grep "$tip" actual.raw | cut -d" " -f2 >actual &&
 | 
						|
		test_cmp expect actual
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'expiring cruft objects with git gc' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit reachable &&
 | 
						|
		git branch -M main &&
 | 
						|
		git checkout --orphan other &&
 | 
						|
		test_commit unreachable &&
 | 
						|
 | 
						|
		git checkout main &&
 | 
						|
		git branch -D other &&
 | 
						|
		git tag -d unreachable &&
 | 
						|
		# objects are not cruft if they are contained in the reflogs
 | 
						|
		git reflog expire --all --expire=all &&
 | 
						|
 | 
						|
		git rev-list --objects --all --no-object-names >reachable.raw &&
 | 
						|
		git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
 | 
						|
		sort <reachable.raw >reachable &&
 | 
						|
		comm -13 reachable objects >unreachable &&
 | 
						|
 | 
						|
		# Write a cruft pack containing all unreachable objects.
 | 
						|
		git gc --cruft --prune="01-01-1980" &&
 | 
						|
 | 
						|
		mtimes=$(ls .git/objects/pack/pack-*.mtimes) &&
 | 
						|
		test_path_is_file $mtimes &&
 | 
						|
 | 
						|
		# Prune all unreachable objects from the cruft pack.
 | 
						|
		git gc --cruft --prune=now &&
 | 
						|
 | 
						|
		git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
 | 
						|
 | 
						|
		comm -23 unreachable objects >removed &&
 | 
						|
		test_cmp unreachable removed &&
 | 
						|
		test_path_is_missing $mtimes
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft packs are not included in geometric repack' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit reachable &&
 | 
						|
		git repack -Ad &&
 | 
						|
		git branch -M main &&
 | 
						|
 | 
						|
		git checkout --orphan other &&
 | 
						|
		test_commit cruft &&
 | 
						|
		git repack -d &&
 | 
						|
 | 
						|
		git checkout main &&
 | 
						|
		git branch -D other &&
 | 
						|
		git tag -d cruft &&
 | 
						|
		git reflog expire --all --expire=all &&
 | 
						|
 | 
						|
		git repack --cruft &&
 | 
						|
 | 
						|
		find $packdir -type f | sort >before &&
 | 
						|
		git repack --geometric=2 -d &&
 | 
						|
		find $packdir -type f | sort >after &&
 | 
						|
 | 
						|
		test_cmp before after
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'repack --geometric collects once-cruft objects' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit reachable &&
 | 
						|
		git repack -Ad &&
 | 
						|
		git branch -M main &&
 | 
						|
 | 
						|
		git checkout --orphan other &&
 | 
						|
		git rm -rf . &&
 | 
						|
		test_commit --no-tag cruft &&
 | 
						|
		cruft="$(git rev-parse HEAD)" &&
 | 
						|
 | 
						|
		git checkout main &&
 | 
						|
		git branch -D other &&
 | 
						|
		git reflog expire --all --expire=all &&
 | 
						|
 | 
						|
		# Pack the objects created in the previous step into a cruft
 | 
						|
		# pack. Intentionally leave loose copies of those objects
 | 
						|
		# around so we can pick them up in a subsequent --geometric
 | 
						|
		# reapack.
 | 
						|
		git repack --cruft &&
 | 
						|
 | 
						|
		# Now make those objects reachable, and ensure that they are
 | 
						|
		# packed into the new pack created via a --geometric repack.
 | 
						|
		git update-ref refs/heads/other $cruft &&
 | 
						|
 | 
						|
		# Without this object, the set of unpacked objects is exactly
 | 
						|
		# the set of objects already in the cruft pack. Tweak that set
 | 
						|
		# to ensure we do not overwrite the cruft pack entirely.
 | 
						|
		test_commit reachable2 &&
 | 
						|
 | 
						|
		find $packdir -name "pack-*.idx" | sort >before &&
 | 
						|
		git repack --geometric=2 -d &&
 | 
						|
		find $packdir -name "pack-*.idx" | sort >after &&
 | 
						|
 | 
						|
		{
 | 
						|
			git rev-list --objects --no-object-names $cruft &&
 | 
						|
			git rev-list --objects --no-object-names reachable..reachable2
 | 
						|
		} >want.raw &&
 | 
						|
		sort want.raw >want &&
 | 
						|
 | 
						|
		pack=$(comm -13 before after) &&
 | 
						|
		git show-index <$pack >objects.raw &&
 | 
						|
 | 
						|
		cut -d" " -f2 objects.raw | sort >got &&
 | 
						|
 | 
						|
		test_cmp want got
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft repack with no reachable objects' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit base &&
 | 
						|
		git repack -ad &&
 | 
						|
 | 
						|
		base="$(git rev-parse base)" &&
 | 
						|
 | 
						|
		git for-each-ref --format="delete %(refname)" >in &&
 | 
						|
		git update-ref --stdin <in &&
 | 
						|
		git reflog expire --all --expire=all &&
 | 
						|
		rm -fr .git/index &&
 | 
						|
 | 
						|
		git repack --cruft -d &&
 | 
						|
 | 
						|
		git cat-file -t $base
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft repack ignores --max-pack-size' '
 | 
						|
	git init max-pack-size &&
 | 
						|
	(
 | 
						|
		cd max-pack-size &&
 | 
						|
		test_commit base &&
 | 
						|
		# two cruft objects which exceed the maximum pack size
 | 
						|
		test-tool genrandom foo 1048576 | git hash-object --stdin -w &&
 | 
						|
		test-tool genrandom bar 1048576 | git hash-object --stdin -w &&
 | 
						|
		git repack --cruft --max-pack-size=1M &&
 | 
						|
		find $packdir -name "*.mtimes" >cruft &&
 | 
						|
		test_line_count = 1 cruft &&
 | 
						|
		test-tool pack-mtimes "$(basename "$(cat cruft)")" >objects &&
 | 
						|
		test_line_count = 2 objects
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft repack ignores pack.packSizeLimit' '
 | 
						|
	(
 | 
						|
		cd max-pack-size &&
 | 
						|
		# repack everything back together to remove the existing cruft
 | 
						|
		# pack (but to keep its objects)
 | 
						|
		git repack -adk &&
 | 
						|
		git -c pack.packSizeLimit=1M repack --cruft &&
 | 
						|
		# ensure the same post condition is met when --max-pack-size
 | 
						|
		# would otherwise be inferred from the configuration
 | 
						|
		find $packdir -name "*.mtimes" >cruft &&
 | 
						|
		test_line_count = 1 cruft &&
 | 
						|
		test-tool pack-mtimes "$(basename "$(cat cruft)")" >objects &&
 | 
						|
		test_line_count = 2 objects
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft repack respects repack.cruftWindow' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit base &&
 | 
						|
 | 
						|
		GIT_TRACE2_EVENT=$(pwd)/event.trace \
 | 
						|
		git -c pack.window=1 -c repack.cruftWindow=2 repack \
 | 
						|
		       --cruft --window=3 &&
 | 
						|
 | 
						|
		grep "pack-objects.*--window=2.*--cruft" event.trace
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft repack respects --window by default' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit base &&
 | 
						|
 | 
						|
		GIT_TRACE2_EVENT=$(pwd)/event.trace \
 | 
						|
		git -c pack.window=2 repack --cruft --window=3 &&
 | 
						|
 | 
						|
		grep "pack-objects.*--window=3.*--cruft" event.trace
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft repack respects --quiet' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit base &&
 | 
						|
		GIT_PROGRESS_DELAY=0 git repack --cruft --quiet 2>err &&
 | 
						|
		test_must_be_empty err
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft --local drops unreachable objects' '
 | 
						|
	git init alternate &&
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr alternate repo" &&
 | 
						|
 | 
						|
	test_commit -C alternate base &&
 | 
						|
	# Pack all objects in alterate so that the cruft repack in "repo" sees
 | 
						|
	# the object it dropped due to `--local` as packed. Otherwise this
 | 
						|
	# object would not appear packed anywhere (since it is not packed in
 | 
						|
	# alternate and likewise not part of the cruft pack in the other repo
 | 
						|
	# because of `--local`).
 | 
						|
	git -C alternate repack -ad &&
 | 
						|
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		object="$(git -C ../alternate rev-parse HEAD:base.t)" &&
 | 
						|
		git -C ../alternate cat-file -p $object >contents &&
 | 
						|
 | 
						|
		# Write some reachable objects and two unreachable ones: one
 | 
						|
		# that the alternate has and another that is unique.
 | 
						|
		test_commit other &&
 | 
						|
		git hash-object -w -t blob contents &&
 | 
						|
		cruft="$(echo cruft | git hash-object -w -t blob --stdin)" &&
 | 
						|
 | 
						|
		( cd ../alternate/.git/objects && pwd ) \
 | 
						|
		       >.git/objects/info/alternates &&
 | 
						|
 | 
						|
		test_path_is_file $objdir/$(test_oid_to_path $cruft) &&
 | 
						|
		test_path_is_file $objdir/$(test_oid_to_path $object) &&
 | 
						|
 | 
						|
		git repack -d --cruft --local &&
 | 
						|
 | 
						|
		test-tool pack-mtimes "$(basename $(ls $packdir/pack-*.mtimes))" \
 | 
						|
		       >objects &&
 | 
						|
		! grep $object objects &&
 | 
						|
		grep $cruft objects
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'MIDX bitmaps tolerate reachable cruft objects' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		test_commit reachable &&
 | 
						|
		test_commit cruft &&
 | 
						|
		unreachable="$(git rev-parse cruft)" &&
 | 
						|
 | 
						|
		git reset --hard $unreachable^ &&
 | 
						|
		git tag -d cruft &&
 | 
						|
		git reflog expire --all --expire=all &&
 | 
						|
 | 
						|
		git repack --cruft -d &&
 | 
						|
 | 
						|
		# resurrect the unreachable object via a new commit. the
 | 
						|
		# new commit will get selected for a bitmap, but be
 | 
						|
		# missing one of its parents from the selected packs.
 | 
						|
		git reset --hard $unreachable &&
 | 
						|
		test_commit resurrect &&
 | 
						|
 | 
						|
		git repack --write-midx --write-bitmap-index --geometric=2 -d
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_expect_success 'cruft objects are freshend via loose' '
 | 
						|
	git init repo &&
 | 
						|
	test_when_finished "rm -fr repo" &&
 | 
						|
	(
 | 
						|
		cd repo &&
 | 
						|
 | 
						|
		echo "cruft" >contents &&
 | 
						|
		blob="$(git hash-object -w -t blob contents)" &&
 | 
						|
		loose="$objdir/$(test_oid_to_path $blob)" &&
 | 
						|
 | 
						|
		test_commit base &&
 | 
						|
 | 
						|
		git repack --cruft -d &&
 | 
						|
 | 
						|
		test_path_is_missing "$loose" &&
 | 
						|
		test-tool pack-mtimes "$(basename "$(ls $packdir/pack-*.mtimes)")" >cruft &&
 | 
						|
		grep "$blob" cruft &&
 | 
						|
 | 
						|
		# write the same object again
 | 
						|
		git hash-object -w -t blob contents &&
 | 
						|
 | 
						|
		test_path_is_file "$loose"
 | 
						|
	)
 | 
						|
'
 | 
						|
 | 
						|
test_done
 |