[thirdparty/git.git] / t / t4216-log-bloom.sh

#!/bin/sh

test_description='git log for a path with Bloom filters'
. ./test-lib.sh

GIT_TEST_COMMIT_GRAPH=0
GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0

test_expect_success 'setup test - repo, commits, commit graph, log outputs' '
	git init &&
	mkdir A A/B A/B/C &&
	test_commit c1 A/file1 &&
	test_commit c2 A/B/file2 &&
	test_commit c3 A/B/C/file3 &&
	test_commit c4 A/file1 &&
	test_commit c5 A/B/file2 &&
	test_commit c6 A/B/C/file3 &&
	test_commit c7 A/file1 &&
	test_commit c8 A/B/file2 &&
	test_commit c9 A/B/C/file3 &&
	test_commit c10 file_to_be_deleted &&
	git checkout -b side HEAD~4 &&
	test_commit side-1 file4 &&
	git checkout master &&
	git merge side &&
	test_commit c11 file5 &&
	mv file5 file5_renamed &&
	git add file5_renamed &&
	git commit -m "rename" &&
	rm file_to_be_deleted &&
	git add . &&
	git commit -m "file removed" &&
	git commit --allow-empty -m "empty" &&
	git commit-graph write --reachable --changed-paths
'

graph_read_expect () {
	NUM_CHUNKS=5
	cat >expect <<- EOF
	header: 43475048 1 1 $NUM_CHUNKS 0
	num_commits: $1
	chunks: oid_fanout oid_lookup commit_metadata bloom_indexes bloom_data
	EOF
	test-tool read-graph >actual &&
	test_cmp expect actual
}

test_expect_success 'commit-graph write wrote out the bloom chunks' '
	graph_read_expect 16
'

# Turn off any inherited trace2 settings for this test.
sane_unset GIT_TRACE2 GIT_TRACE2_PERF GIT_TRACE2_EVENT
sane_unset GIT_TRACE2_PERF_BRIEF
sane_unset GIT_TRACE2_CONFIG_PARAMS

setup () {
	rm -f "$TRASH_DIRECTORY/trace.perf" &&
	git -c core.commitGraph=false log --pretty="format:%s" $1 >log_wo_bloom &&
	GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.perf" git -c core.commitGraph=true log --pretty="format:%s" $1 >log_w_bloom
}

test_bloom_filters_used () {
	log_args=$1
	bloom_trace_prefix="statistics:{\"filter_not_present\":${2:-0},\"maybe\""
	setup "$log_args" &&
	grep -q "$bloom_trace_prefix" "$TRASH_DIRECTORY/trace.perf" &&
	test_cmp log_wo_bloom log_w_bloom &&
    test_path_is_file "$TRASH_DIRECTORY/trace.perf"
}

test_bloom_filters_not_used () {
	log_args=$1
	setup "$log_args" &&
	! grep -q "statistics:{\"filter_not_present\":" "$TRASH_DIRECTORY/trace.perf" &&
	test_cmp log_wo_bloom log_w_bloom
}

for path in A A/B A/B/C A/file1 A/B/file2 A/B/C/file3 file4 file5 file5_renamed file_to_be_deleted
do
	for option in "" \
	      "--all" \
		      "--full-history" \
		      "--full-history --simplify-merges" \
		      "--simplify-merges" \
		      "--simplify-by-decoration" \
		      "--follow" \
		      "--first-parent" \
		      "--topo-order" \
		      "--date-order" \
		      "--author-date-order" \
		      "--ancestry-path side..master"
	do
		test_expect_success "git log option: $option for path: $path" '
			test_bloom_filters_used "$option -- $path" &&
			test_config commitgraph.readChangedPaths false &&
			test_bloom_filters_not_used "$option -- $path"
		'
	done
done

test_expect_success 'git log -- folder works with and without the trailing slash' '
	test_bloom_filters_used "-- A" &&
	test_bloom_filters_used "-- A/"
'

test_expect_success 'git log for path that does not exist. ' '
	test_bloom_filters_used "-- path_does_not_exist"
'

test_expect_success 'git log with --walk-reflogs does not use Bloom filters' '
	test_bloom_filters_not_used "--walk-reflogs -- A"
'

test_expect_success 'git log -- multiple path specs does not use Bloom filters' '
	test_bloom_filters_not_used "-- file4 A/file1"
'

test_expect_success 'git log -- "." pathspec at root does not use Bloom filters' '
	test_bloom_filters_not_used "-- ."
'

test_expect_success 'git log with wildcard that resolves to a single path uses Bloom filters' '
	test_bloom_filters_used "-- *4" &&
	test_bloom_filters_used "-- *renamed"
'

test_expect_success 'git log with wildcard that resolves to a multiple paths does not uses Bloom filters' '
	test_bloom_filters_not_used "-- *" &&
	test_bloom_filters_not_used "-- file*"
'

test_expect_success 'setup - add commit-graph to the chain without Bloom filters' '
	test_commit c14 A/anotherFile2 &&
	test_commit c15 A/B/anotherFile2 &&
	test_commit c16 A/B/C/anotherFile2 &&
	git commit-graph write --reachable --split --no-changed-paths &&
	test_line_count = 2 .git/objects/info/commit-graphs/commit-graph-chain
'

test_expect_success 'use Bloom filters even if the latest graph does not have Bloom filters' '
	# Ensure that the number of empty filters is equal to the number of
	# filters in the latest graph layer to prove that they are loaded (and
	# ignored).
	test_bloom_filters_used "-- A/B" 3
'

test_expect_success 'setup - add commit-graph to the chain with Bloom filters' '
	test_commit c17 A/anotherFile3 &&
	git commit-graph write --reachable --changed-paths --split &&
	test_line_count = 3 .git/objects/info/commit-graphs/commit-graph-chain
'

test_bloom_filters_used_when_some_filters_are_missing () {
	log_args=$1
	bloom_trace_prefix="statistics:{\"filter_not_present\":3,\"maybe\":6,\"definitely_not\":9"
	setup "$log_args" &&
	grep -q "$bloom_trace_prefix" "$TRASH_DIRECTORY/trace.perf" &&
	test_cmp log_wo_bloom log_w_bloom
}

test_expect_success 'Use Bloom filters if they exist in the latest but not all commit graphs in the chain.' '
	test_bloom_filters_used_when_some_filters_are_missing "-- A/B"
'

test_expect_success 'persist filter settings' '
	test_when_finished rm -rf .git/objects/info/commit-graph* &&
	rm -rf .git/objects/info/commit-graph* &&
	GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \
		GIT_TRACE2_EVENT_NESTING=5 \
		GIT_TEST_BLOOM_SETTINGS_NUM_HASHES=9 \
		GIT_TEST_BLOOM_SETTINGS_BITS_PER_ENTRY=15 \
		git commit-graph write --reachable --changed-paths &&
	grep "{\"hash_version\":1,\"num_hashes\":9,\"bits_per_entry\":15,\"max_changed_paths\":512" trace2.txt &&
	GIT_TRACE2_EVENT="$(pwd)/trace2-auto.txt" \
		GIT_TRACE2_EVENT_NESTING=5 \
		git commit-graph write --reachable --changed-paths &&
	grep "{\"hash_version\":1,\"num_hashes\":9,\"bits_per_entry\":15,\"max_changed_paths\":512" trace2-auto.txt
'

test_max_changed_paths () {
	grep "\"max_changed_paths\":$1" $2
}

test_filter_not_computed () {
	grep "\"key\":\"filter-not-computed\",\"value\":\"$1\"" $2
}

test_filter_computed () {
	grep "\"key\":\"filter-computed\",\"value\":\"$1\"" $2
}

test_filter_trunc_empty () {
	grep "\"key\":\"filter-trunc-empty\",\"value\":\"$1\"" $2
}

test_filter_trunc_large () {
	grep "\"key\":\"filter-trunc-large\",\"value\":\"$1\"" $2
}

test_expect_success 'correctly report changes over limit' '
	git init limits &&
	(
		cd limits &&
		mkdir d &&
		mkdir d/e &&

		for i in $(test_seq 1 2)
		do
			printf $i >d/file$i.txt &&
			printf $i >d/e/file$i.txt || return 1
		done &&

		mkdir mode &&
		printf bash >mode/script.sh &&

		mkdir foo &&
		touch foo/bar &&
		touch foo.txt &&

		git add d foo foo.txt mode &&
		git commit -m "files" &&

		# Commit has 7 file and 4 directory adds
		GIT_TEST_BLOOM_SETTINGS_MAX_CHANGED_PATHS=10 \
			GIT_TRACE2_EVENT="$(pwd)/trace" \
			git commit-graph write --reachable --changed-paths &&
		test_max_changed_paths 10 trace &&
		test_filter_computed 1 trace &&
		test_filter_trunc_large 1 trace &&

		for path in $(git ls-tree -r --name-only HEAD)
		do
			git -c commitGraph.readChangedPaths=false log \
				-- $path >expect &&
			git log -- $path >actual &&
			test_cmp expect actual || return 1
		done &&

		# Make a variety of path changes
		printf new1 >d/e/file1.txt &&
		printf new2 >d/file2.txt &&
		rm d/e/file2.txt &&
		rm -r foo &&
		printf text >foo &&
		mkdir f &&
		printf new1 >f/file1.txt &&

		# including a mode-only change (counts as modified)
		git update-index --chmod=+x mode/script.sh &&

		git add foo d f &&
		git commit -m "complicated" &&

		# start from scratch and rebuild
		rm -f .git/objects/info/commit-graph &&
		GIT_TEST_BLOOM_SETTINGS_MAX_CHANGED_PATHS=10 \
			GIT_TRACE2_EVENT="$(pwd)/trace-edit" \
			git commit-graph write --reachable --changed-paths &&
		test_max_changed_paths 10 trace-edit &&
		test_filter_computed 2 trace-edit &&
		test_filter_trunc_large 2 trace-edit &&

		for path in $(git ls-tree -r --name-only HEAD)
		do
			git -c commitGraph.readChangedPaths=false log \
				-- $path >expect &&
			git log -- $path >actual &&
			test_cmp expect actual || return 1
		done &&

		# start from scratch and rebuild
		rm -f .git/objects/info/commit-graph &&
		GIT_TEST_BLOOM_SETTINGS_MAX_CHANGED_PATHS=11 \
			GIT_TRACE2_EVENT="$(pwd)/trace-update" \
			git commit-graph write --reachable --changed-paths &&
		test_max_changed_paths 11 trace-update &&
		test_filter_computed 2 trace-update &&
		test_filter_trunc_large 0 trace-update &&

		for path in $(git ls-tree -r --name-only HEAD)
		do
			git -c commitGraph.readChangedPaths=false log \
				-- $path >expect &&
			git log -- $path >actual &&
			test_cmp expect actual || return 1
		done
	)
'

test_expect_success 'correctly report commits with no changed paths' '
	git init empty &&
	test_when_finished "rm -fr empty" &&
	(
		cd empty &&

		git commit --allow-empty -m "initial commit" &&

		GIT_TRACE2_EVENT="$(pwd)/trace.event" \
			git commit-graph write --reachable --changed-paths &&
		test_filter_computed 1 trace.event &&
		test_filter_not_computed 0 trace.event &&
		test_filter_trunc_empty 1 trace.event &&
		test_filter_trunc_large 0 trace.event
	)
'

test_done
Commit	Line	Data
a759bfa9 GS	1	#!/bin/sh
	2
	3	test_description='git log for a path with Bloom filters'
	4	. ./test-lib.sh
	5
	6	GIT_TEST_COMMIT_GRAPH=0
	7	GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0
	8
	9	test_expect_success 'setup test - repo, commits, commit graph, log outputs' '
	10	git init &&
	11	mkdir A A/B A/B/C &&
	12	test_commit c1 A/file1 &&
	13	test_commit c2 A/B/file2 &&
	14	test_commit c3 A/B/C/file3 &&
	15	test_commit c4 A/file1 &&
	16	test_commit c5 A/B/file2 &&
	17	test_commit c6 A/B/C/file3 &&
	18	test_commit c7 A/file1 &&
	19	test_commit c8 A/B/file2 &&
	20	test_commit c9 A/B/C/file3 &&
	21	test_commit c10 file_to_be_deleted &&
	22	git checkout -b side HEAD~4 &&
	23	test_commit side-1 file4 &&
	24	git checkout master &&
	25	git merge side &&
	26	test_commit c11 file5 &&
	27	mv file5 file5_renamed &&
	28	git add file5_renamed &&
	29	git commit -m "rename" &&
	30	rm file_to_be_deleted &&
	31	git add . &&
	32	git commit -m "file removed" &&
59f0d507	33	git commit --allow-empty -m "empty" &&
a759bfa9 GS	34	git commit-graph write --reachable --changed-paths
a759bfa9 GS	35	'
59f0d507	36
a759bfa9 GS	37	graph_read_expect () {
	38	NUM_CHUNKS=5
	39	cat >expect <<- EOF
	40	header: 43475048 1 1 $NUM_CHUNKS 0
	41	num_commits: $1
	42	chunks: oid_fanout oid_lookup commit_metadata bloom_indexes bloom_data
	43	EOF
	44	test-tool read-graph >actual &&
	45	test_cmp expect actual
	46	}
	47
	48	test_expect_success 'commit-graph write wrote out the bloom chunks' '
59f0d507	49	graph_read_expect 16
a759bfa9 GS	50	'
	51
	52	# Turn off any inherited trace2 settings for this test.
	53	sane_unset GIT_TRACE2 GIT_TRACE2_PERF GIT_TRACE2_EVENT
	54	sane_unset GIT_TRACE2_PERF_BRIEF
	55	sane_unset GIT_TRACE2_CONFIG_PARAMS
	56
	57	setup () {
025d5294	58	rm -f "$TRASH_DIRECTORY/trace.perf" &&
a759bfa9 GS	59	git -c core.commitGraph=false log --pretty="format:%s" $1 >log_wo_bloom &&
	60	GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.perf" git -c core.commitGraph=true log --pretty="format:%s" $1 >log_w_bloom
	61	}
	62
	63	test_bloom_filters_used () {
	64	log_args=$1
4f364405	65	bloom_trace_prefix="statistics:{\"filter_not_present\":${2:-0},\"maybe\""
a759bfa9 GS	66	setup "$log_args" &&
	67	grep -q "$bloom_trace_prefix" "$TRASH_DIRECTORY/trace.perf" &&
	68	test_cmp log_wo_bloom log_w_bloom &&
	69	test_path_is_file "$TRASH_DIRECTORY/trace.perf"
	70	}
	71
	72	test_bloom_filters_not_used () {
	73	log_args=$1
	74	setup "$log_args" &&
784ce03d	75	! grep -q "statistics:{\"filter_not_present\":" "$TRASH_DIRECTORY/trace.perf" &&
a759bfa9 GS	76	test_cmp log_wo_bloom log_w_bloom
	77	}
	78
	79	for path in A A/B A/B/C A/file1 A/B/file2 A/B/C/file3 file4 file5 file5_renamed file_to_be_deleted
	80	do
	81	for option in "" \
	82	"--all" \
	83	"--full-history" \
	84	"--full-history --simplify-merges" \
	85	"--simplify-merges" \
	86	"--simplify-by-decoration" \
	87	"--follow" \
	88	"--first-parent" \
	89	"--topo-order" \
	90	"--date-order" \
	91	"--author-date-order" \
	92	"--ancestry-path side..master"
	93	do
	94	test_expect_success "git log option: $option for path: $path" '
b66d8475 TB	95	test_bloom_filters_used "$option -- $path" &&
	96	test_config commitgraph.readChangedPaths false &&
	97	test_bloom_filters_not_used "$option -- $path"
a759bfa9 GS	98	'
	99	done
	100	done
	101
	102	test_expect_success 'git log -- folder works with and without the trailing slash' '
	103	test_bloom_filters_used "-- A" &&
	104	test_bloom_filters_used "-- A/"
	105	'
	106
	107	test_expect_success 'git log for path that does not exist. ' '
	108	test_bloom_filters_used "-- path_does_not_exist"
	109	'
	110
	111	test_expect_success 'git log with --walk-reflogs does not use Bloom filters' '
	112	test_bloom_filters_not_used "--walk-reflogs -- A"
	113	'
	114
	115	test_expect_success 'git log -- multiple path specs does not use Bloom filters' '
	116	test_bloom_filters_not_used "-- file4 A/file1"
	117	'
	118
f3c2a368 TB	119	test_expect_success 'git log -- "." pathspec at root does not use Bloom filters' '
	120	test_bloom_filters_not_used "-- ."
	121	'
	122
a759bfa9 GS	123	test_expect_success 'git log with wildcard that resolves to a single path uses Bloom filters' '
	124	test_bloom_filters_used "-- *4" &&
	125	test_bloom_filters_used "-- *renamed"
	126	'
	127
	128	test_expect_success 'git log with wildcard that resolves to a multiple paths does not uses Bloom filters' '
	129	test_bloom_filters_not_used "-- *" &&
	130	test_bloom_filters_not_used "-- file*"
	131	'
	132
	133	test_expect_success 'setup - add commit-graph to the chain without Bloom filters' '
	134	test_commit c14 A/anotherFile2 &&
	135	test_commit c15 A/B/anotherFile2 &&
	136	test_commit c16 A/B/C/anotherFile2 &&
0087a87b	137	git commit-graph write --reachable --split --no-changed-paths &&
a759bfa9 GS	138	test_line_count = 2 .git/objects/info/commit-graphs/commit-graph-chain
	139	'
	140
4f364405 TB	141	test_expect_success 'use Bloom filters even if the latest graph does not have Bloom filters' '
	142	# Ensure that the number of empty filters is equal to the number of
	143	# filters in the latest graph layer to prove that they are loaded (and
	144	# ignored).
	145	test_bloom_filters_used "-- A/B" 3
a759bfa9 GS	146	'
	147
	148	test_expect_success 'setup - add commit-graph to the chain with Bloom filters' '
	149	test_commit c17 A/anotherFile3 &&
	150	git commit-graph write --reachable --changed-paths --split &&
	151	test_line_count = 3 .git/objects/info/commit-graphs/commit-graph-chain
	152	'
	153
	154	test_bloom_filters_used_when_some_filters_are_missing () {
	155	log_args=$1
59f0d507	156	bloom_trace_prefix="statistics:{\"filter_not_present\":3,\"maybe\":6,\"definitely_not\":9"
a759bfa9 GS	157	setup "$log_args" &&
	158	grep -q "$bloom_trace_prefix" "$TRASH_DIRECTORY/trace.perf" &&
	159	test_cmp log_wo_bloom log_w_bloom
	160	}
	161
	162	test_expect_success 'Use Bloom filters if they exist in the latest but not all commit graphs in the chain.' '
	163	test_bloom_filters_used_when_some_filters_are_missing "-- A/B"
	164	'
	165
0087a87b DS	166	test_expect_success 'persist filter settings' '
	167	test_when_finished rm -rf .git/objects/info/commit-graph* &&
	168	rm -rf .git/objects/info/commit-graph* &&
	169	GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \
	170	GIT_TRACE2_EVENT_NESTING=5 \
	171	GIT_TEST_BLOOM_SETTINGS_NUM_HASHES=9 \
	172	GIT_TEST_BLOOM_SETTINGS_BITS_PER_ENTRY=15 \
	173	git commit-graph write --reachable --changed-paths &&
97ffa4fa	174	grep "{\"hash_version\":1,\"num_hashes\":9,\"bits_per_entry\":15,\"max_changed_paths\":512" trace2.txt &&
0087a87b DS	175	GIT_TRACE2_EVENT="$(pwd)/trace2-auto.txt" \
	176	GIT_TRACE2_EVENT_NESTING=5 \
	177	git commit-graph write --reachable --changed-paths &&
97ffa4fa	178	grep "{\"hash_version\":1,\"num_hashes\":9,\"bits_per_entry\":15,\"max_changed_paths\":512" trace2-auto.txt
0087a87b DS	179	'
0087a87b DS	180
b16a8277 DS	181	test_max_changed_paths () {
	182	grep "\"max_changed_paths\":$1" $2
	183	}
	184
59f0d507 TB	185	test_filter_not_computed () {
	186	grep "\"key\":\"filter-not-computed\",\"value\":\"$1\"" $2
	187	}
	188
b16a8277 DS	189	test_filter_computed () {
	190	grep "\"key\":\"filter-computed\",\"value\":\"$1\"" $2
	191	}
	192
59f0d507 TB	193	test_filter_trunc_empty () {
	194	grep "\"key\":\"filter-trunc-empty\",\"value\":\"$1\"" $2
	195	}
	196
b16a8277 DS	197	test_filter_trunc_large () {
	198	grep "\"key\":\"filter-trunc-large\",\"value\":\"$1\"" $2
	199	}
	200
94919742	201	test_expect_success 'correctly report changes over limit' '
b16a8277	202	git init limits &&
94919742	203	(
b16a8277 DS	204	cd limits &&
	205	mkdir d &&
	206	mkdir d/e &&
	207
	208	for i in $(test_seq 1 2)
94919742	209	do
b16a8277 DS	210	printf $i >d/file$i.txt &&
b16a8277 DS	211	printf $i >d/e/file$i.txt \|\| return 1
94919742	212	done &&
b16a8277 DS	213
	214	mkdir mode &&
	215	printf bash >mode/script.sh &&
	216
	217	mkdir foo &&
	218	touch foo/bar &&
	219	touch foo.txt &&
	220
	221	git add d foo foo.txt mode &&
94919742	222	git commit -m "files" &&
b16a8277 DS	223
	224	# Commit has 7 file and 4 directory adds
	225	GIT_TEST_BLOOM_SETTINGS_MAX_CHANGED_PATHS=10 \
	226	GIT_TRACE2_EVENT="$(pwd)/trace" \
	227	git commit-graph write --reachable --changed-paths &&
	228	test_max_changed_paths 10 trace &&
	229	test_filter_computed 1 trace &&
	230	test_filter_trunc_large 1 trace &&
	231
	232	for path in $(git ls-tree -r --name-only HEAD)
	233	do
	234	git -c commitGraph.readChangedPaths=false log \
	235	-- $path >expect &&
	236	git log -- $path >actual &&
	237	test_cmp expect actual \|\| return 1
	238	done &&
	239
	240	# Make a variety of path changes
	241	printf new1 >d/e/file1.txt &&
	242	printf new2 >d/file2.txt &&
	243	rm d/e/file2.txt &&
	244	rm -r foo &&
	245	printf text >foo &&
	246	mkdir f &&
	247	printf new1 >f/file1.txt &&
	248
	249	# including a mode-only change (counts as modified)
	250	git update-index --chmod=+x mode/script.sh &&
	251
	252	git add foo d f &&
	253	git commit -m "complicated" &&
	254
	255	# start from scratch and rebuild
	256	rm -f .git/objects/info/commit-graph &&
	257	GIT_TEST_BLOOM_SETTINGS_MAX_CHANGED_PATHS=10 \
	258	GIT_TRACE2_EVENT="$(pwd)/trace-edit" \
	259	git commit-graph write --reachable --changed-paths &&
	260	test_max_changed_paths 10 trace-edit &&
	261	test_filter_computed 2 trace-edit &&
	262	test_filter_trunc_large 2 trace-edit &&
	263
	264	for path in $(git ls-tree -r --name-only HEAD)
	265	do
	266	git -c commitGraph.readChangedPaths=false log \
	267	-- $path >expect &&
	268	git log -- $path >actual &&
	269	test_cmp expect actual \|\| return 1
	270	done &&
	271
	272	# start from scratch and rebuild
	273	rm -f .git/objects/info/commit-graph &&
	274	GIT_TEST_BLOOM_SETTINGS_MAX_CHANGED_PATHS=11 \
	275	GIT_TRACE2_EVENT="$(pwd)/trace-update" \
	276	git commit-graph write --reachable --changed-paths &&
	277	test_max_changed_paths 11 trace-update &&
	278	test_filter_computed 2 trace-update &&
	279	test_filter_trunc_large 0 trace-update &&
	280
	281	for path in $(git ls-tree -r --name-only HEAD)
94919742	282	do
b16a8277 DS	283	git -c commitGraph.readChangedPaths=false log \
	284	-- $path >expect &&
	285	git log -- $path >actual &&
94919742 DS	286	test_cmp expect actual \|\| return 1
	287	done
	288	)
	289	'
	290
59f0d507 TB	291	test_expect_success 'correctly report commits with no changed paths' '
	292	git init empty &&
	293	test_when_finished "rm -fr empty" &&
	294	(
	295	cd empty &&
	296
	297	git commit --allow-empty -m "initial commit" &&
	298
	299	GIT_TRACE2_EVENT="$(pwd)/trace.event" \
	300	git commit-graph write --reachable --changed-paths &&
	301	test_filter_computed 1 trace.event &&
	302	test_filter_not_computed 0 trace.event &&
	303	test_filter_trunc_empty 1 trace.event &&
	304	test_filter_trunc_large 0 trace.event
	305	)
	306	'
	307
066b70ae	308	test_done