path: root/t/t7900-maintenance.sh

#!/bin/sh

test_description='git maintenance builtin'

. ./test-lib.sh

GIT_TEST_COMMIT_GRAPH=0
GIT_TEST_MULTI_PACK_INDEX=0

test_lazy_prereq XMLLINT '
	xmllint --version
'

test_xmllint () {
	if test_have_prereq XMLLINT
	then
		xmllint --noout "$@"
	else
		true
	fi
}

test_expect_success 'help text' '
	test_expect_code 129 git maintenance -h 2>err &&
	test_i18ngrep "usage: git maintenance <subcommand>" err &&
	test_expect_code 128 git maintenance barf 2>err &&
	test_i18ngrep "invalid subcommand: barf" err &&
	test_expect_code 129 git maintenance 2>err &&
	test_i18ngrep "usage: git maintenance" err
'

test_expect_success 'run [--auto|--quiet]' '
	GIT_TRACE2_EVENT="$(pwd)/run-no-auto.txt" \
		git maintenance run 2>/dev/null &&
	GIT_TRACE2_EVENT="$(pwd)/run-auto.txt" \
		git maintenance run --auto 2>/dev/null &&
	GIT_TRACE2_EVENT="$(pwd)/run-no-quiet.txt" \
		git maintenance run --no-quiet 2>/dev/null &&
	test_subcommand git gc --quiet <run-no-auto.txt &&
	test_subcommand ! git gc --auto --quiet <run-auto.txt &&
	test_subcommand git gc --no-quiet <run-no-quiet.txt
'

test_expect_success 'maintenance.auto config option' '
	GIT_TRACE2_EVENT="$(pwd)/default" git commit --quiet --allow-empty -m 1 &&
	test_subcommand git maintenance run --auto --quiet <default &&
	GIT_TRACE2_EVENT="$(pwd)/true" \
		git -c maintenance.auto=true \
		commit --quiet --allow-empty -m 2 &&
	test_subcommand git maintenance run --auto --quiet  <true &&
	GIT_TRACE2_EVENT="$(pwd)/false" \
		git -c maintenance.auto=false \
		commit --quiet --allow-empty -m 3 &&
	test_subcommand ! git maintenance run --auto --quiet  <false
'

test_expect_success 'maintenance.<task>.enabled' '
	git config maintenance.gc.enabled false &&
	git config maintenance.commit-graph.enabled true &&
	GIT_TRACE2_EVENT="$(pwd)/run-config.txt" git maintenance run 2>err &&
	test_subcommand ! git gc --quiet <run-config.txt &&
	test_subcommand git commit-graph write --split --reachable --no-progress <run-config.txt
'

test_expect_success 'run --task=<task>' '
	GIT_TRACE2_EVENT="$(pwd)/run-commit-graph.txt" \
		git maintenance run --task=commit-graph 2>/dev/null &&
	GIT_TRACE2_EVENT="$(pwd)/run-gc.txt" \
		git maintenance run --task=gc 2>/dev/null &&
	GIT_TRACE2_EVENT="$(pwd)/run-commit-graph.txt" \
		git maintenance run --task=commit-graph 2>/dev/null &&
	GIT_TRACE2_EVENT="$(pwd)/run-both.txt" \
		git maintenance run --task=commit-graph --task=gc 2>/dev/null &&
	test_subcommand ! git gc --quiet <run-commit-graph.txt &&
	test_subcommand git gc --quiet <run-gc.txt &&
	test_subcommand git gc --quiet <run-both.txt &&
	test_subcommand git commit-graph write --split --reachable --no-progress <run-commit-graph.txt &&
	test_subcommand ! git commit-graph write --split --reachable --no-progress <run-gc.txt &&
	test_subcommand git commit-graph write --split --reachable --no-progress <run-both.txt
'

test_expect_success 'core.commitGraph=false prevents write process' '
	GIT_TRACE2_EVENT="$(pwd)/no-commit-graph.txt" \
		git -c core.commitGraph=false maintenance run \
		--task=commit-graph 2>/dev/null &&
	test_subcommand ! git commit-graph write --split --reachable --no-progress \
		<no-commit-graph.txt
'

test_expect_success 'commit-graph auto condition' '
	COMMAND="maintenance run --task=commit-graph --auto --quiet" &&

	GIT_TRACE2_EVENT="$(pwd)/cg-no.txt" \
		git -c maintenance.commit-graph.auto=1 $COMMAND &&
	GIT_TRACE2_EVENT="$(pwd)/cg-negative-means-yes.txt" \
		git -c maintenance.commit-graph.auto="-1" $COMMAND &&

	test_commit first &&

	GIT_TRACE2_EVENT="$(pwd)/cg-zero-means-no.txt" \
		git -c maintenance.commit-graph.auto=0 $COMMAND &&
	GIT_TRACE2_EVENT="$(pwd)/cg-one-satisfied.txt" \
		git -c maintenance.commit-graph.auto=1 $COMMAND &&

	git commit --allow-empty -m "second" &&
	git commit --allow-empty -m "third" &&

	GIT_TRACE2_EVENT="$(pwd)/cg-two-satisfied.txt" \
		git -c maintenance.commit-graph.auto=2 $COMMAND &&

	COMMIT_GRAPH_WRITE="git commit-graph write --split --reachable --no-progress" &&
	test_subcommand ! $COMMIT_GRAPH_WRITE <cg-no.txt &&
	test_subcommand $COMMIT_GRAPH_WRITE <cg-negative-means-yes.txt &&
	test_subcommand ! $COMMIT_GRAPH_WRITE <cg-zero-means-no.txt &&
	test_subcommand $COMMIT_GRAPH_WRITE <cg-one-satisfied.txt &&
	test_subcommand $COMMIT_GRAPH_WRITE <cg-two-satisfied.txt
'

test_expect_success 'run --task=bogus' '
	test_must_fail git maintenance run --task=bogus 2>err &&
	test_i18ngrep "is not a valid task" err
'

test_expect_success 'run --task duplicate' '
	test_must_fail git maintenance run --task=gc --task=gc 2>err &&
	test_i18ngrep "cannot be selected multiple times" err
'

test_expect_success 'run --task=prefetch with no remotes' '
	git maintenance run --task=prefetch 2>err &&
	test_must_be_empty err
'

test_expect_success 'prefetch multiple remotes' '
	git clone . clone1 &&
	git clone . clone2 &&
	git remote add remote1 "file://$(pwd)/clone1" &&
	git remote add remote2 "file://$(pwd)/clone2" &&
	git -C clone1 switch -c one &&
	git -C clone2 switch -c two &&
	test_commit -C clone1 one &&
	test_commit -C clone2 two &&
	GIT_TRACE2_EVENT="$(pwd)/run-prefetch.txt" git maintenance run --task=prefetch 2>/dev/null &&
	fetchargs="--prefetch --prune --no-tags --no-write-fetch-head --recurse-submodules=no --quiet" &&
	test_subcommand git fetch remote1 $fetchargs <run-prefetch.txt &&
	test_subcommand git fetch remote2 $fetchargs <run-prefetch.txt &&
	test_path_is_missing .git/refs/remotes &&
	git log prefetch/remotes/remote1/one &&
	git log prefetch/remotes/remote2/two &&
	git fetch --all &&
	test_cmp_rev refs/remotes/remote1/one refs/prefetch/remotes/remote1/one &&
	test_cmp_rev refs/remotes/remote2/two refs/prefetch/remotes/remote2/two &&

	test_cmp_config refs/prefetch/ log.excludedecoration &&
	git log --oneline --decorate --all >log &&
	! grep "prefetch" log &&

	test_when_finished git config --unset remote.remote1.skipFetchAll &&
	git config remote.remote1.skipFetchAll true &&
	GIT_TRACE2_EVENT="$(pwd)/skip-remote1.txt" git maintenance run --task=prefetch 2>/dev/null &&
	test_subcommand ! git fetch remote1 $fetchargs <skip-remote1.txt &&
	test_subcommand git fetch remote2 $fetchargs <skip-remote1.txt
'

test_expect_success 'prefetch and existing log.excludeDecoration values' '
	git config --unset-all log.excludeDecoration &&
	git config log.excludeDecoration refs/remotes/remote1/ &&
	git maintenance run --task=prefetch &&

	git config --get-all log.excludeDecoration >out &&
	grep refs/remotes/remote1/ out &&
	grep refs/prefetch/ out &&

	git log --oneline --decorate --all >log &&
	! grep "prefetch" log &&
	! grep "remote1" log &&
	grep "remote2" log &&

	# a second run does not change the config
	git maintenance run --task=prefetch &&
	git log --oneline --decorate --all >log2 &&
	test_cmp log log2
'

test_expect_success 'loose-objects task' '
	# Repack everything so we know the state of the object dir
	git repack -adk &&

	# Hack to stop maintenance from running during "git commit"
	echo in use >.git/objects/maintenance.lock &&

	# Assuming that "git commit" creates at least one loose object
	test_commit create-loose-object &&
	rm .git/objects/maintenance.lock &&

	ls .git/objects >obj-dir-before &&
	test_file_not_empty obj-dir-before &&
	ls .git/objects/pack/*.pack >packs-before &&
	test_line_count = 1 packs-before &&

	# The first run creates a pack-file
	# but does not delete loose objects.
	git maintenance run --task=loose-objects &&
	ls .git/objects >obj-dir-between &&
	test_cmp obj-dir-before obj-dir-between &&
	ls .git/objects/pack/*.pack >packs-between &&
	test_line_count = 2 packs-between &&
	ls .git/objects/pack/loose-*.pack >loose-packs &&
	test_line_count = 1 loose-packs &&

	# The second run deletes loose objects
	# but does not create a pack-file.
	git maintenance run --task=loose-objects &&
	ls .git/objects >obj-dir-after &&
	cat >expect <<-\EOF &&
	info
	pack
	EOF
	test_cmp expect obj-dir-after &&
	ls .git/objects/pack/*.pack >packs-after &&
	test_cmp packs-between packs-after
'

test_expect_success 'maintenance.loose-objects.auto' '
	git repack -adk &&
	GIT_TRACE2_EVENT="$(pwd)/trace-lo1.txt" \
		git -c maintenance.loose-objects.auto=1 maintenance \
		run --auto --task=loose-objects 2>/dev/null &&
	test_subcommand ! git prune-packed --quiet <trace-lo1.txt &&
	printf data-A | git hash-object -t blob --stdin -w &&
	GIT_TRACE2_EVENT="$(pwd)/trace-loA" \
		git -c maintenance.loose-objects.auto=2 \
		maintenance run --auto --task=loose-objects 2>/dev/null &&
	test_subcommand ! git prune-packed --quiet <trace-loA &&
	printf data-B | git hash-object -t blob --stdin -w &&
	GIT_TRACE2_EVENT="$(pwd)/trace-loB" \
		git -c maintenance.loose-objects.auto=2 \
		maintenance run --auto --task=loose-objects 2>/dev/null &&
	test_subcommand git prune-packed --quiet <trace-loB &&
	GIT_TRACE2_EVENT="$(pwd)/trace-loC" \
		git -c maintenance.loose-objects.auto=2 \
		maintenance run --auto --task=loose-objects 2>/dev/null &&
	test_subcommand git prune-packed --quiet <trace-loC
'

test_expect_success 'incremental-repack task' '
	packDir=.git/objects/pack &&
	for i in $(test_seq 1 5)
	do
		test_commit $i || return 1
	done &&

	# Create three disjoint pack-files with size BIG, small, small.
	echo HEAD~2 | git pack-objects --revs $packDir/test-1 &&
	test_tick &&
	git pack-objects --revs $packDir/test-2 <<-\EOF &&
	HEAD~1
	^HEAD~2
	EOF
	test_tick &&
	git pack-objects --revs $packDir/test-3 <<-\EOF &&
	HEAD
	^HEAD~1
	EOF

	# Delete refs that have not been repacked in these packs.
	git for-each-ref --format="delete %(refname)" \
		refs/prefetch refs/tags >refs &&
	git update-ref --stdin <refs &&

	# Replace the object directory with this pack layout.
	rm -f $packDir/pack-* &&