File: t6112-rev-list-filters-objects.sh

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#!/bin/sh

test_description='git rev-list using object filtering'

. ./test-lib.sh

# Test the blob:none filter.

test_expect_success 'setup r1' '
	echo "{print \$1}" >print_1.awk &&
	echo "{print \$2}" >print_2.awk &&

	git init r1 &&
	for n in 1 2 3 4 5
	do
		echo "This is file: $n" > r1/file.$n
		git -C r1 add file.$n
		git -C r1 commit -m "$n"
	done
'

test_expect_success 'verify blob:none omits all 5 blobs' '
	git -C r1 ls-files -s file.1 file.2 file.3 file.4 file.5 \
		>ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r1 rev-list --quiet --objects --filter-print-omitted \
		--filter=blob:none HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'specify blob explicitly prevents filtering' '
	file_3=$(git -C r1 ls-files -s file.3 |
		 awk -f print_2.awk) &&

	file_4=$(git -C r1 ls-files -s file.4 |
		 awk -f print_2.awk) &&

	git -C r1 rev-list --objects --filter=blob:none HEAD $file_3 >observed &&
	grep "$file_3" observed &&
	! grep "$file_4" observed
'

test_expect_success 'verify emitted+omitted == all' '
	git -C r1 rev-list --objects HEAD >revs &&
	awk -f print_1.awk revs |
	sort >expected &&

	git -C r1 rev-list --objects --filter-print-omitted --filter=blob:none \
		HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'


# Test blob:limit=<n>[kmg] filter.
# We boundary test around the size parameter.  The filter is strictly less than
# the value, so size 500 and 1000 should have the same results, but 1001 should
# filter more.

test_expect_success 'setup r2' '
	git init r2 &&
	for n in 1000 10000
	do
		printf "%"$n"s" X > r2/large.$n
		git -C r2 add large.$n
		git -C r2 commit -m "$n"
	done
'

test_expect_success 'verify blob:limit=500 omits all blobs' '
	git -C r2 ls-files -s large.1000 large.10000 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r2 rev-list --quiet --objects --filter-print-omitted \
		--filter=blob:limit=500 HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'verify emitted+omitted == all' '
	git -C r2 rev-list --objects HEAD >revs &&
	awk -f print_1.awk revs |
	sort >expected &&

	git -C r2 rev-list --objects --filter-print-omitted \
		--filter=blob:limit=500 HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'verify blob:limit=1000' '
	git -C r2 ls-files -s large.1000 large.10000 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r2 rev-list --quiet --objects --filter-print-omitted \
		--filter=blob:limit=1000 HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'verify blob:limit=1001' '
	git -C r2 ls-files -s large.10000 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r2 rev-list --quiet --objects --filter-print-omitted \
		--filter=blob:limit=1001 HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'verify blob:limit=1k' '
	git -C r2 ls-files -s large.10000 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r2 rev-list --quiet --objects --filter-print-omitted \
		--filter=blob:limit=1k HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'verify blob:limit=1m' '
	git -C r2 rev-list --quiet --objects --filter-print-omitted \
		--filter=blob:limit=1m HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_must_be_empty observed
'

# Test sparse:path=<path> filter.
# Use a local file containing a sparse-checkout specification to filter
# out blobs not required for the corresponding sparse-checkout.  We do not
# require sparse-checkout to actually be enabled.

test_expect_success 'setup r3' '
	git init r3 &&
	mkdir r3/dir1 &&
	for n in sparse1 sparse2
	do
		echo "This is file: $n" > r3/$n
		git -C r3 add $n
		echo "This is file: dir1/$n" > r3/dir1/$n
		git -C r3 add dir1/$n
	done &&
	git -C r3 commit -m "sparse" &&
	echo dir1/ >pattern1 &&
	echo sparse1 >pattern2
'

test_expect_success 'verify sparse:path=pattern1 omits top-level files' '
	git -C r3 ls-files -s sparse1 sparse2 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r3 rev-list --quiet --objects --filter-print-omitted \
		--filter=sparse:path=../pattern1 HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'verify sparse:path=pattern2 omits both sparse2 files' '
	git -C r3 ls-files -s sparse2 dir1/sparse2 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r3 rev-list --quiet --objects --filter-print-omitted \
		--filter=sparse:path=../pattern2 HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

# Test sparse:oid=<oid-ish> filter.
# Like sparse:path, but we get the sparse-checkout specification from
# a blob rather than a file on disk.

test_expect_success 'setup r3 part 2' '
	echo dir1/ >r3/pattern &&
	git -C r3 add pattern &&
	git -C r3 commit -m "pattern"
'

test_expect_success 'verify sparse:oid=OID omits top-level files' '
	git -C r3 ls-files -s pattern sparse1 sparse2 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	oid=$(git -C r3 ls-files -s pattern | awk -f print_2.awk) &&

	git -C r3 rev-list --quiet --objects --filter-print-omitted \
		--filter=sparse:oid=$oid HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'verify sparse:oid=oid-ish omits top-level files' '
	git -C r3 ls-files -s pattern sparse1 sparse2 >ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	git -C r3 rev-list --quiet --objects --filter-print-omitted \
		--filter=sparse:oid=master:pattern HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/~//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'rev-list W/ --missing=print and --missing=allow-any for trees' '
	TREE=$(git -C r3 rev-parse HEAD:dir1) &&

	# Create a spare repo because we will be deleting objects from this one.
	git clone r3 r3.b &&

	rm r3.b/.git/objects/$(echo $TREE | sed "s|^..|&/|") &&

	git -C r3.b rev-list --quiet --missing=print --objects HEAD \
		>missing_objs 2>rev_list_err &&
	echo "?$TREE" >expected &&
	test_cmp expected missing_objs &&

	# do not complain when a missing tree cannot be parsed
	test_must_be_empty rev_list_err &&

	git -C r3.b rev-list --missing=allow-any --objects HEAD \
		>objs 2>rev_list_err &&
	! grep $TREE objs &&
	test_must_be_empty rev_list_err
'

# Test tree:0 filter.

test_expect_success 'verify tree:0 includes trees in "filtered" output' '
	git -C r3 rev-list --quiet --objects --filter-print-omitted \
		--filter=tree:0 HEAD >revs &&

	awk -f print_1.awk revs |
	sed s/~// |
	xargs -n1 git -C r3 cat-file -t >unsorted_filtered_types &&

	sort -u unsorted_filtered_types >filtered_types &&
	test_write_lines blob tree >expected &&
	test_cmp expected filtered_types
'

# Make sure tree:0 does not iterate through any trees.

test_expect_success 'filter a GIANT tree through tree:0' '
	GIT_TRACE=1 git -C r3 rev-list \
		--objects --filter=tree:0 HEAD 2>filter_trace &&
	grep "Skipping contents of tree [.][.][.]" filter_trace >actual &&
	# One line for each commit traversed.
	test_line_count = 2 actual &&

	# Make sure no other trees were considered besides the root.
	! grep "Skipping contents of tree [^.]" filter_trace
'

# Delete some loose objects and use rev-list, but WITHOUT any filtering.
# This models previously omitted objects that we did not receive.

test_expect_success 'rev-list W/ --missing=print' '
	git -C r1 ls-files -s file.1 file.2 file.3 file.4 file.5 \
		>ls_files_result &&
	awk -f print_2.awk ls_files_result |
	sort >expected &&

	for id in `cat expected | sed "s|..|&/|"`
	do
		rm r1/.git/objects/$id
	done &&

	git -C r1 rev-list --quiet --missing=print --objects HEAD >revs &&
	awk -f print_1.awk revs |
	sed "s/?//" |
	sort >observed &&

	test_cmp expected observed
'

test_expect_success 'rev-list W/O --missing fails' '
	test_must_fail git -C r1 rev-list --quiet --objects HEAD
'

test_expect_success 'rev-list W/ missing=allow-any' '
	git -C r1 rev-list --quiet --missing=allow-any --objects HEAD
'

test_done