[thirdparty/git.git] / t / t5702-protocol-v2.sh

#!/bin/sh

test_description='test git wire-protocol version 2'

TEST_NO_CREATE_REPO=1

. ./test-lib.sh

# Test protocol v2 with 'git://' transport
#
. "$TEST_DIRECTORY"/lib-git-daemon.sh
start_git_daemon --export-all --enable=receive-pack
daemon_parent=$GIT_DAEMON_DOCUMENT_ROOT_PATH/parent

test_expect_success 'create repo to be served by git-daemon' '
	git init "$daemon_parent" &&
	test_commit -C "$daemon_parent" one
'

test_expect_success 'list refs with git:// using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
		ls-remote --symref "$GIT_DAEMON_URL/parent" >actual &&

	# Client requested to use protocol v2
	grep "git> .*\\\0\\\0version=2\\\0$" log &&
	# Server responded using protocol v2
	grep "git< version 2" log &&

	git ls-remote --symref "$GIT_DAEMON_URL/parent" >expect &&
	test_cmp expect actual
'

test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
		ls-remote "$GIT_DAEMON_URL/parent" master >actual &&

	cat >expect <<-EOF &&
	$(git -C "$daemon_parent" rev-parse refs/heads/master)$(printf "\t")refs/heads/master
	EOF

	test_cmp expect actual
'

test_expect_success 'clone with git:// using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
		clone "$GIT_DAEMON_URL/parent" daemon_child &&

	git -C daemon_child log -1 --format=%s >actual &&
	git -C "$daemon_parent" log -1 --format=%s >expect &&
	test_cmp expect actual &&

	# Client requested to use protocol v2
	grep "clone> .*\\\0\\\0version=2\\\0$" log &&
	# Server responded using protocol v2
	grep "clone< version 2" log
'

test_expect_success 'fetch with git:// using protocol v2' '
	test_when_finished "rm -f log" &&

	test_commit -C "$daemon_parent" two &&

	GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
		fetch &&

	git -C daemon_child log -1 --format=%s origin/master >actual &&
	git -C "$daemon_parent" log -1 --format=%s >expect &&
	test_cmp expect actual &&

	# Client requested to use protocol v2
	grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
	# Server responded using protocol v2
	grep "fetch< version 2" log
'

test_expect_success 'pull with git:// using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
		pull &&

	git -C daemon_child log -1 --format=%s >actual &&
	git -C "$daemon_parent" log -1 --format=%s >expect &&
	test_cmp expect actual &&

	# Client requested to use protocol v2
	grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
	# Server responded using protocol v2
	grep "fetch< version 2" log
'

test_expect_success 'push with git:// and a config of v2 does not request v2' '
	test_when_finished "rm -f log" &&

	# Till v2 for push is designed, make sure that if a client has
	# protocol.version configured to use v2, that the client instead falls
	# back and uses v0.

	test_commit -C daemon_child three &&

	# Push to another branch, as the target repository has the
	# master branch checked out and we cannot push into it.
	GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
		push origin HEAD:client_branch &&

	git -C daemon_child log -1 --format=%s >actual &&
	git -C "$daemon_parent" log -1 --format=%s client_branch >expect &&
	test_cmp expect actual &&

	# Client requested to use protocol v2
	! grep "push> .*\\\0\\\0version=2\\\0$" log &&
	# Server responded using protocol v2
	! grep "push< version 2" log
'

stop_git_daemon

# Test protocol v2 with 'file://' transport
#
test_expect_success 'create repo to be served by file:// transport' '
	git init file_parent &&
	test_commit -C file_parent one
'

test_expect_success 'list refs with file:// using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
		ls-remote --symref "file://$(pwd)/file_parent" >actual &&

	# Server responded using protocol v2
	grep "git< version 2" log &&

	git ls-remote --symref "file://$(pwd)/file_parent" >expect &&
	test_cmp expect actual
'

test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
		ls-remote "file://$(pwd)/file_parent" master >actual &&

	cat >expect <<-EOF &&
	$(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
	EOF

	test_cmp expect actual
'

test_expect_success 'server-options are sent when using ls-remote' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
		ls-remote -o hello -o world "file://$(pwd)/file_parent" master >actual &&

	cat >expect <<-EOF &&
	$(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
	EOF

	test_cmp expect actual &&
	grep "server-option=hello" log &&
	grep "server-option=world" log
'


test_expect_success 'clone with file:// using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
		clone "file://$(pwd)/file_parent" file_child &&

	git -C file_child log -1 --format=%s >actual &&
	git -C file_parent log -1 --format=%s >expect &&
	test_cmp expect actual &&

	# Server responded using protocol v2
	grep "clone< version 2" log &&

	# Client sent ref-prefixes to filter the ref-advertisement
	grep "ref-prefix HEAD" log &&
	grep "ref-prefix refs/heads/" log &&
	grep "ref-prefix refs/tags/" log
'

test_expect_success 'fetch with file:// using protocol v2' '
	test_when_finished "rm -f log" &&

	test_commit -C file_parent two &&

	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
		fetch origin &&

	git -C file_child log -1 --format=%s origin/master >actual &&
	git -C file_parent log -1 --format=%s >expect &&
	test_cmp expect actual &&

	# Server responded using protocol v2
	grep "fetch< version 2" log
'

test_expect_success 'ref advertisment is filtered during fetch using protocol v2' '
	test_when_finished "rm -f log" &&

	test_commit -C file_parent three &&
	git -C file_parent branch unwanted-branch three &&

	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
		fetch origin master &&

	git -C file_child log -1 --format=%s origin/master >actual &&
	git -C file_parent log -1 --format=%s >expect &&
	test_cmp expect actual &&

	grep "refs/heads/master" log &&
	! grep "refs/heads/unwanted-branch" log
'

test_expect_success 'server-options are sent when fetching' '
	test_when_finished "rm -f log" &&

	test_commit -C file_parent four &&

	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
		fetch -o hello -o world origin master &&

	git -C file_child log -1 --format=%s origin/master >actual &&
	git -C file_parent log -1 --format=%s >expect &&
	test_cmp expect actual &&

	grep "server-option=hello" log &&
	grep "server-option=world" log
'

test_expect_success 'upload-pack respects config using protocol v2' '
	git init server &&
	write_script server/.git/hook <<-\EOF &&
		touch hookout
		"$@"
	EOF
	test_commit -C server one &&

	test_config_global uploadpack.packobjectshook ./hook &&
	test_path_is_missing server/.git/hookout &&
	git -c protocol.version=2 clone "file://$(pwd)/server" client &&
	test_path_is_file server/.git/hookout
'

test_expect_success 'setup filter tests' '
	rm -rf server client &&
	git init server &&

	# 1 commit to create a file, and 1 commit to modify it
	test_commit -C server message1 a.txt &&
	test_commit -C server message2 a.txt &&
	git -C server config protocol.version 2 &&
	git -C server config uploadpack.allowfilter 1 &&
	git -C server config uploadpack.allowanysha1inwant 1 &&
	git -C server config protocol.version 2
'

test_expect_success 'partial clone' '
	GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
		clone --filter=blob:none "file://$(pwd)/server" client &&
	grep "version 2" trace &&

	# Ensure that the old version of the file is missing
	git -C client rev-list --quiet --objects --missing=print master \
		>observed.oids &&
	grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&

	# Ensure that client passes fsck
	git -C client fsck
'

test_expect_success 'dynamically fetch missing object' '
	rm "$(pwd)/trace" &&
	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
		cat-file -p $(git -C server rev-parse message1:a.txt) &&
	grep "version 2" trace
'

test_expect_success 'partial fetch' '
	rm -rf client "$(pwd)/trace" &&
	git init client &&
	SERVER="file://$(pwd)/server" &&
	test_config -C client extensions.partialClone "$SERVER" &&

	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
		fetch --filter=blob:none "$SERVER" master:refs/heads/other &&
	grep "version 2" trace &&

	# Ensure that the old version of the file is missing
	git -C client rev-list --quiet --objects --missing=print other \
		>observed.oids &&
	grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&

	# Ensure that client passes fsck
	git -C client fsck
'

test_expect_success 'do not advertise filter if not configured to do so' '
	SERVER="file://$(pwd)/server" &&

	rm "$(pwd)/trace" &&
	git -C server config uploadpack.allowfilter 1 &&
	GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
		ls-remote "$SERVER" &&
	grep "fetch=.*filter" trace &&

	rm "$(pwd)/trace" &&
	git -C server config uploadpack.allowfilter 0 &&
	GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
		ls-remote "$SERVER" &&
	grep "fetch=" trace >fetch_capabilities &&
	! grep filter fetch_capabilities
'

test_expect_success 'partial clone warns if filter is not advertised' '
	rm -rf client &&
	git -C server config uploadpack.allowfilter 0 &&
	git -c protocol.version=2 \
		clone --filter=blob:none "file://$(pwd)/server" client 2>err &&
	test_i18ngrep "filtering not recognized by server, ignoring" err
'

test_expect_success 'even with handcrafted request, filter does not work if not advertised' '
	git -C server config uploadpack.allowfilter 0 &&

	# Custom request that tries to filter even though it is not advertised.
	test-tool pkt-line pack >in <<-EOF &&
	command=fetch
	0001
	want $(git -C server rev-parse master)
	filter blob:none
	0000
	EOF

	test_must_fail git -C server serve --stateless-rpc <in >/dev/null 2>err &&
	grep "unexpected line: .filter blob:none." err &&

	# Exercise to ensure that if advertised, filter works
	git -C server config uploadpack.allowfilter 1 &&
	git -C server serve --stateless-rpc <in >/dev/null
'

test_expect_success 'default refspec is used to filter ref when fetchcing' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
		fetch origin &&

	git -C file_child log -1 --format=%s three >actual &&
	git -C file_parent log -1 --format=%s three >expect &&
	test_cmp expect actual &&

	grep "ref-prefix refs/heads/" log &&
	grep "ref-prefix refs/tags/" log
'

test_expect_success 'fetch supports various ways of have lines' '
	rm -rf server client trace &&
	git init server &&
	test_commit -C server dwim &&
	TREE=$(git -C server rev-parse HEAD^{tree}) &&
	git -C server tag exact \
		$(git -C server commit-tree -m a "$TREE") &&
	git -C server tag dwim-unwanted \
		$(git -C server commit-tree -m b "$TREE") &&
	git -C server tag exact-unwanted \
		$(git -C server commit-tree -m c "$TREE") &&
	git -C server tag prefix1 \
		$(git -C server commit-tree -m d "$TREE") &&
	git -C server tag prefix2 \
		$(git -C server commit-tree -m e "$TREE") &&
	git -C server tag fetch-by-sha1 \
		$(git -C server commit-tree -m f "$TREE") &&
	git -C server tag completely-unrelated \
		$(git -C server commit-tree -m g "$TREE") &&

	git init client &&
	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
		fetch "file://$(pwd)/server" \
		dwim \
		refs/tags/exact \
		refs/tags/prefix*:refs/tags/prefix* \
		"$(git -C server rev-parse fetch-by-sha1)" &&

	# Ensure that the appropriate prefixes are sent (using a sample)
	grep "fetch> ref-prefix dwim" trace &&
	grep "fetch> ref-prefix refs/heads/dwim" trace &&
	grep "fetch> ref-prefix refs/tags/prefix" trace &&

	# Ensure that the correct objects are returned
	git -C client cat-file -e $(git -C server rev-parse dwim) &&
	git -C client cat-file -e $(git -C server rev-parse exact) &&
	git -C client cat-file -e $(git -C server rev-parse prefix1) &&
	git -C client cat-file -e $(git -C server rev-parse prefix2) &&
	git -C client cat-file -e $(git -C server rev-parse fetch-by-sha1) &&
	test_must_fail git -C client cat-file -e \
		$(git -C server rev-parse dwim-unwanted) &&
	test_must_fail git -C client cat-file -e \
		$(git -C server rev-parse exact-unwanted) &&
	test_must_fail git -C client cat-file -e \
		$(git -C server rev-parse completely-unrelated)
'

test_expect_success 'fetch supports include-tag and tag following' '
	rm -rf server client trace &&
	git init server &&

	test_commit -C server to_fetch &&
	git -C server tag -a annotated_tag -m message &&

	git init client &&
	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
		fetch "$(pwd)/server" to_fetch:to_fetch &&

	grep "fetch> ref-prefix to_fetch" trace &&
	grep "fetch> ref-prefix refs/tags/" trace &&
	grep "fetch> include-tag" trace &&

	git -C client cat-file -e $(git -C client rev-parse annotated_tag)
'

test_expect_success 'upload-pack respects client shallows' '
	rm -rf server client trace &&

	git init server &&
	test_commit -C server base &&
	test_commit -C server client_has &&

	git clone --depth=1 "file://$(pwd)/server" client &&

	# Add extra commits to the client so that the whole fetch takes more
	# than 1 request (due to negotiation)
	for i in $(test_seq 1 32)
	do
		test_commit -C client c$i
	done &&

	git -C server checkout -b newbranch base &&
	test_commit -C server client_wants &&

	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
		fetch origin newbranch &&
	# Ensure that protocol v2 is used
	grep "fetch< version 2" trace
'

# Test protocol v2 with 'http://' transport
#
. "$TEST_DIRECTORY"/lib-httpd.sh
start_httpd

test_expect_success 'create repo to be served by http:// transport' '
	git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
	test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one
'

test_expect_success 'clone with http:// using protocol v2' '
	test_when_finished "rm -f log" &&

	GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
		clone "$HTTPD_URL/smart/http_parent" http_child &&

	git -C http_child log -1 --format=%s >actual &&
	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
	test_cmp expect actual &&

	# Client requested to use protocol v2
	grep "Git-Protocol: version=2" log &&
	# Server responded using protocol v2
	grep "git< version 2" log
'

test_expect_success 'fetch with http:// using protocol v2' '
	test_when_finished "rm -f log" &&

	test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&

	GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
		fetch &&

	git -C http_child log -1 --format=%s origin/master >actual &&
	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
	test_cmp expect actual &&

	# Server responded using protocol v2
	grep "git< version 2" log
'

test_expect_success 'push with http:// and a config of v2 does not request v2' '
	test_when_finished "rm -f log" &&
	# Till v2 for push is designed, make sure that if a client has
	# protocol.version configured to use v2, that the client instead falls
	# back and uses v0.

	test_commit -C http_child three &&

	# Push to another branch, as the target repository has the
	# master branch checked out and we cannot push into it.
	GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
		push origin HEAD:client_branch &&

	git -C http_child log -1 --format=%s >actual &&
	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s client_branch >expect &&
	test_cmp expect actual &&

	# Client didnt request to use protocol v2
	! grep "Git-Protocol: version=2" log &&
	# Server didnt respond using protocol v2
	! grep "git< version 2" log
'


stop_httpd

test_done
Commit	Line	Data
e52449b6 BW	1	#!/bin/sh
	2
	3	test_description='test git wire-protocol version 2'
	4
	5	TEST_NO_CREATE_REPO=1
	6
	7	. ./test-lib.sh
	8
	9	# Test protocol v2 with 'git://' transport
	10	#
	11	. "$TEST_DIRECTORY"/lib-git-daemon.sh
	12	start_git_daemon --export-all --enable=receive-pack
	13	daemon_parent=$GIT_DAEMON_DOCUMENT_ROOT_PATH/parent
	14
	15	test_expect_success 'create repo to be served by git-daemon' '
	16	git init "$daemon_parent" &&
	17	test_commit -C "$daemon_parent" one
	18	'
	19
	20	test_expect_success 'list refs with git:// using protocol v2' '
	21	test_when_finished "rm -f log" &&
	22
	23	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
	24	ls-remote --symref "$GIT_DAEMON_URL/parent" >actual &&
	25
	26	# Client requested to use protocol v2
	27	grep "git> .*\\\0\\\0version=2\\\0$" log &&
	28	# Server responded using protocol v2
	29	grep "git< version 2" log &&
	30
	31	git ls-remote --symref "$GIT_DAEMON_URL/parent" >expect &&
dcbaa0b3	32	test_cmp expect actual
e52449b6 BW	33	'
e52449b6 BW	34
b4be7410 BW	35	test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
	36	test_when_finished "rm -f log" &&
	37
	38	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
	39	ls-remote "$GIT_DAEMON_URL/parent" master >actual &&
	40
	41	cat >expect <<-EOF &&
	42	$(git -C "$daemon_parent" rev-parse refs/heads/master)$(printf "\t")refs/heads/master
	43	EOF
	44
dcbaa0b3	45	test_cmp expect actual
b4be7410 BW	46	'
b4be7410 BW	47
685fbd32 BW	48	test_expect_success 'clone with git:// using protocol v2' '
	49	test_when_finished "rm -f log" &&
	50
	51	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
	52	clone "$GIT_DAEMON_URL/parent" daemon_child &&
	53
	54	git -C daemon_child log -1 --format=%s >actual &&
	55	git -C "$daemon_parent" log -1 --format=%s >expect &&
	56	test_cmp expect actual &&
	57
	58	# Client requested to use protocol v2
	59	grep "clone> .*\\\0\\\0version=2\\\0$" log &&
	60	# Server responded using protocol v2
	61	grep "clone< version 2" log
	62	'
	63
	64	test_expect_success 'fetch with git:// using protocol v2' '
	65	test_when_finished "rm -f log" &&
	66
	67	test_commit -C "$daemon_parent" two &&
	68
	69	GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
	70	fetch &&
	71
	72	git -C daemon_child log -1 --format=%s origin/master >actual &&
	73	git -C "$daemon_parent" log -1 --format=%s >expect &&
	74	test_cmp expect actual &&
	75
	76	# Client requested to use protocol v2
	77	grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
	78	# Server responded using protocol v2
	79	grep "fetch< version 2" log
	80	'
	81
	82	test_expect_success 'pull with git:// using protocol v2' '
	83	test_when_finished "rm -f log" &&
	84
	85	GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
	86	pull &&
	87
	88	git -C daemon_child log -1 --format=%s >actual &&
	89	git -C "$daemon_parent" log -1 --format=%s >expect &&
	90	test_cmp expect actual &&
	91
	92	# Client requested to use protocol v2
	93	grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
	94	# Server responded using protocol v2
	95	grep "fetch< version 2" log
	96	'
	97
1aa8dded BW	98	test_expect_success 'push with git:// and a config of v2 does not request v2' '
	99	test_when_finished "rm -f log" &&
	100
	101	# Till v2 for push is designed, make sure that if a client has
	102	# protocol.version configured to use v2, that the client instead falls
	103	# back and uses v0.
	104
	105	test_commit -C daemon_child three &&
	106
	107	# Push to another branch, as the target repository has the
	108	# master branch checked out and we cannot push into it.
	109	GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
	110	push origin HEAD:client_branch &&
	111
	112	git -C daemon_child log -1 --format=%s >actual &&
	113	git -C "$daemon_parent" log -1 --format=%s client_branch >expect &&
	114	test_cmp expect actual &&
	115
	116	# Client requested to use protocol v2
	117	! grep "push> .*\\\0\\\0version=2\\\0$" log &&
	118	# Server responded using protocol v2
	119	! grep "push< version 2" log
	120	'
	121
e52449b6 BW	122	stop_git_daemon
	123
	124	# Test protocol v2 with 'file://' transport
	125	#
	126	test_expect_success 'create repo to be served by file:// transport' '
	127	git init file_parent &&
	128	test_commit -C file_parent one
	129	'
	130
	131	test_expect_success 'list refs with file:// using protocol v2' '
	132	test_when_finished "rm -f log" &&
	133
	134	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
	135	ls-remote --symref "file://$(pwd)/file_parent" >actual &&
	136
	137	# Server responded using protocol v2
	138	grep "git< version 2" log &&
	139
	140	git ls-remote --symref "file://$(pwd)/file_parent" >expect &&
dcbaa0b3	141	test_cmp expect actual
e52449b6 BW	142	'
e52449b6 BW	143
b4be7410 BW	144	test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
	145	test_when_finished "rm -f log" &&
	146
	147	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
	148	ls-remote "file://$(pwd)/file_parent" master >actual &&
	149
	150	cat >expect <<-EOF &&
	151	$(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
	152	EOF
	153
dcbaa0b3	154	test_cmp expect actual
b4be7410 BW	155	'
b4be7410 BW	156
ff473221 BW	157	test_expect_success 'server-options are sent when using ls-remote' '
	158	test_when_finished "rm -f log" &&
	159
	160	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
	161	ls-remote -o hello -o world "file://$(pwd)/file_parent" master >actual &&
	162
	163	cat >expect <<-EOF &&
	164	$(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
	165	EOF
	166
dcbaa0b3	167	test_cmp expect actual &&
ff473221 BW	168	grep "server-option=hello" log &&
	169	grep "server-option=world" log
	170	'
	171
	172
685fbd32 BW	173	test_expect_success 'clone with file:// using protocol v2' '
	174	test_when_finished "rm -f log" &&
	175
	176	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
	177	clone "file://$(pwd)/file_parent" file_child &&
	178
	179	git -C file_child log -1 --format=%s >actual &&
	180	git -C file_parent log -1 --format=%s >expect &&
	181	test_cmp expect actual &&
	182
	183	# Server responded using protocol v2
402c47d9 BW	184	grep "clone< version 2" log &&
	185
	186	# Client sent ref-prefixes to filter the ref-advertisement
	187	grep "ref-prefix HEAD" log &&
	188	grep "ref-prefix refs/heads/" log &&
	189	grep "ref-prefix refs/tags/" log
685fbd32 BW	190	'
	191
	192	test_expect_success 'fetch with file:// using protocol v2' '
	193	test_when_finished "rm -f log" &&
	194
	195	test_commit -C file_parent two &&
	196
	197	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
	198	fetch origin &&
	199
	200	git -C file_child log -1 --format=%s origin/master >actual &&
	201	git -C file_parent log -1 --format=%s >expect &&
	202	test_cmp expect actual &&
	203
	204	# Server responded using protocol v2
	205	grep "fetch< version 2" log
	206	'
	207
	208	test_expect_success 'ref advertisment is filtered during fetch using protocol v2' '
	209	test_when_finished "rm -f log" &&
	210
	211	test_commit -C file_parent three &&
2b554353	212	git -C file_parent branch unwanted-branch three &&
685fbd32 BW	213
	214	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
	215	fetch origin master &&
	216
	217	git -C file_child log -1 --format=%s origin/master >actual &&
	218	git -C file_parent log -1 --format=%s >expect &&
	219	test_cmp expect actual &&
	220
2b554353 JT	221	grep "refs/heads/master" log &&
2b554353 JT	222	! grep "refs/heads/unwanted-branch" log
685fbd32 BW	223	'
685fbd32 BW	224
5e3548ef BW	225	test_expect_success 'server-options are sent when fetching' '
	226	test_when_finished "rm -f log" &&
	227
	228	test_commit -C file_parent four &&
	229
	230	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
	231	fetch -o hello -o world origin master &&
	232
	233	git -C file_child log -1 --format=%s origin/master >actual &&
	234	git -C file_parent log -1 --format=%s >expect &&
	235	test_cmp expect actual &&
	236
	237	grep "server-option=hello" log &&
	238	grep "server-option=world" log
	239	'
	240
54592687 JT	241	test_expect_success 'upload-pack respects config using protocol v2' '
	242	git init server &&
	243	write_script server/.git/hook <<-\EOF &&
	244	touch hookout
	245	"$@"
	246	EOF
	247	test_commit -C server one &&
	248
	249	test_config_global uploadpack.packobjectshook ./hook &&
	250	test_path_is_missing server/.git/hookout &&
	251	git -c protocol.version=2 clone "file://$(pwd)/server" client &&
	252	test_path_is_file server/.git/hookout
	253	'
	254
ba95710a JT	255	test_expect_success 'setup filter tests' '
	256	rm -rf server client &&
	257	git init server &&
	258
	259	# 1 commit to create a file, and 1 commit to modify it
	260	test_commit -C server message1 a.txt &&
	261	test_commit -C server message2 a.txt &&
	262	git -C server config protocol.version 2 &&
	263	git -C server config uploadpack.allowfilter 1 &&
	264	git -C server config uploadpack.allowanysha1inwant 1 &&
	265	git -C server config protocol.version 2
	266	'
	267
	268	test_expect_success 'partial clone' '
	269	GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
	270	clone --filter=blob:none "file://$(pwd)/server" client &&
	271	grep "version 2" trace &&
	272
	273	# Ensure that the old version of the file is missing
8d6ba495	274	git -C client rev-list --quiet --objects --missing=print master \
ba95710a JT	275	>observed.oids &&
	276	grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
	277
	278	# Ensure that client passes fsck
	279	git -C client fsck
	280	'
	281
	282	test_expect_success 'dynamically fetch missing object' '
	283	rm "$(pwd)/trace" &&
	284	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
	285	cat-file -p $(git -C server rev-parse message1:a.txt) &&
	286	grep "version 2" trace
	287	'
	288
	289	test_expect_success 'partial fetch' '
	290	rm -rf client "$(pwd)/trace" &&
	291	git init client &&
	292	SERVER="file://$(pwd)/server" &&
	293	test_config -C client extensions.partialClone "$SERVER" &&
	294
	295	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
	296	fetch --filter=blob:none "$SERVER" master:refs/heads/other &&
	297	grep "version 2" trace &&
	298
	299	# Ensure that the old version of the file is missing
8d6ba495	300	git -C client rev-list --quiet --objects --missing=print other \
ba95710a JT	301	>observed.oids &&
	302	grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
	303
	304	# Ensure that client passes fsck
	305	git -C client fsck
	306	'
	307
	308	test_expect_success 'do not advertise filter if not configured to do so' '
	309	SERVER="file://$(pwd)/server" &&
	310
	311	rm "$(pwd)/trace" &&
	312	git -C server config uploadpack.allowfilter 1 &&
	313	GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
	314	ls-remote "$SERVER" &&
	315	grep "fetch=.*filter" trace &&
	316
	317	rm "$(pwd)/trace" &&
	318	git -C server config uploadpack.allowfilter 0 &&
	319	GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
	320	ls-remote "$SERVER" &&
	321	grep "fetch=" trace >fetch_capabilities &&
	322	! grep filter fetch_capabilities
	323	'
	324
	325	test_expect_success 'partial clone warns if filter is not advertised' '
	326	rm -rf client &&
	327	git -C server config uploadpack.allowfilter 0 &&
	328	git -c protocol.version=2 \
	329	clone --filter=blob:none "file://$(pwd)/server" client 2>err &&
	330	test_i18ngrep "filtering not recognized by server, ignoring" err
	331	'
	332
	333	test_expect_success 'even with handcrafted request, filter does not work if not advertised' '
	334	git -C server config uploadpack.allowfilter 0 &&
	335
	336	# Custom request that tries to filter even though it is not advertised.
8ea40cc5	337	test-tool pkt-line pack >in <<-EOF &&
ba95710a JT	338	command=fetch
	339	0001
	340	want $(git -C server rev-parse master)
	341	filter blob:none
	342	0000
	343	EOF
	344
	345	test_must_fail git -C server serve --stateless-rpc <in >/dev/null 2>err &&
	346	grep "unexpected line: .filter blob:none." err &&
	347
	348	# Exercise to ensure that if advertised, filter works
	349	git -C server config uploadpack.allowfilter 1 &&
	350	git -C server serve --stateless-rpc <in >/dev/null
	351	'
	352
dcc73cf7 BW	353	test_expect_success 'default refspec is used to filter ref when fetchcing' '
	354	test_when_finished "rm -f log" &&
	355
	356	GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
	357	fetch origin &&
	358
	359	git -C file_child log -1 --format=%s three >actual &&
	360	git -C file_parent log -1 --format=%s three >expect &&
	361	test_cmp expect actual &&
	362
	363	grep "ref-prefix refs/heads/" log &&
	364	grep "ref-prefix refs/tags/" log
	365	'
	366
15cfc985 JT	367	test_expect_success 'fetch supports various ways of have lines' '
	368	rm -rf server client trace &&
	369	git init server &&
	370	test_commit -C server dwim &&
	371	TREE=$(git -C server rev-parse HEAD^{tree}) &&
	372	git -C server tag exact \
	373	$(git -C server commit-tree -m a "$TREE") &&
	374	git -C server tag dwim-unwanted \
	375	$(git -C server commit-tree -m b "$TREE") &&
	376	git -C server tag exact-unwanted \
	377	$(git -C server commit-tree -m c "$TREE") &&
	378	git -C server tag prefix1 \
	379	$(git -C server commit-tree -m d "$TREE") &&
	380	git -C server tag prefix2 \
	381	$(git -C server commit-tree -m e "$TREE") &&
	382	git -C server tag fetch-by-sha1 \
	383	$(git -C server commit-tree -m f "$TREE") &&
	384	git -C server tag completely-unrelated \
	385	$(git -C server commit-tree -m g "$TREE") &&
	386
	387	git init client &&
	388	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
	389	fetch "file://$(pwd)/server" \
	390	dwim \
	391	refs/tags/exact \
	392	refs/tags/prefix:refs/tags/prefix \
	393	"$(git -C server rev-parse fetch-by-sha1)" &&
	394
	395	# Ensure that the appropriate prefixes are sent (using a sample)
	396	grep "fetch> ref-prefix dwim" trace &&
	397	grep "fetch> ref-prefix refs/heads/dwim" trace &&
	398	grep "fetch> ref-prefix refs/tags/prefix" trace &&
	399
	400	# Ensure that the correct objects are returned
	401	git -C client cat-file -e $(git -C server rev-parse dwim) &&
	402	git -C client cat-file -e $(git -C server rev-parse exact) &&
	403	git -C client cat-file -e $(git -C server rev-parse prefix1) &&
	404	git -C client cat-file -e $(git -C server rev-parse prefix2) &&
	405	git -C client cat-file -e $(git -C server rev-parse fetch-by-sha1) &&
	406	test_must_fail git -C client cat-file -e \
	407	$(git -C server rev-parse dwim-unwanted) &&
	408	test_must_fail git -C client cat-file -e \
	409	$(git -C server rev-parse exact-unwanted) &&
	410	test_must_fail git -C client cat-file -e \
	411	$(git -C server rev-parse completely-unrelated)
	412	'
	413
2b554353 JT	414	test_expect_success 'fetch supports include-tag and tag following' '
	415	rm -rf server client trace &&
	416	git init server &&
	417
	418	test_commit -C server to_fetch &&
	419	git -C server tag -a annotated_tag -m message &&
	420
	421	git init client &&
	422	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
	423	fetch "$(pwd)/server" to_fetch:to_fetch &&
	424
	425	grep "fetch> ref-prefix to_fetch" trace &&
	426	grep "fetch> ref-prefix refs/tags/" trace &&
	427	grep "fetch> include-tag" trace &&
	428
	429	git -C client cat-file -e $(git -C client rev-parse annotated_tag)
	430	'
	431
d1035cac JT	432	test_expect_success 'upload-pack respects client shallows' '
	433	rm -rf server client trace &&
	434
	435	git init server &&
	436	test_commit -C server base &&
	437	test_commit -C server client_has &&
	438
	439	git clone --depth=1 "file://$(pwd)/server" client &&
	440
	441	# Add extra commits to the client so that the whole fetch takes more
	442	# than 1 request (due to negotiation)
	443	for i in $(test_seq 1 32)
	444	do
	445	test_commit -C client c$i
	446	done &&
	447
	448	git -C server checkout -b newbranch base &&
	449	test_commit -C server client_wants &&
	450
	451	GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
	452	fetch origin newbranch &&
	453	# Ensure that protocol v2 is used
	454	grep "fetch< version 2" trace
	455	'
	456
0f1dc53f BW	457	# Test protocol v2 with 'http://' transport
	458	#
	459	. "$TEST_DIRECTORY"/lib-httpd.sh
	460	start_httpd
	461
	462	test_expect_success 'create repo to be served by http:// transport' '
	463	git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
	464	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
	465	test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one
	466	'
	467
	468	test_expect_success 'clone with http:// using protocol v2' '
	469	test_when_finished "rm -f log" &&
	470
	471	GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
	472	clone "$HTTPD_URL/smart/http_parent" http_child &&
	473
	474	git -C http_child log -1 --format=%s >actual &&
	475	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
	476	test_cmp expect actual &&
	477
	478	# Client requested to use protocol v2
	479	grep "Git-Protocol: version=2" log &&
	480	# Server responded using protocol v2
	481	grep "git< version 2" log
	482	'
	483
	484	test_expect_success 'fetch with http:// using protocol v2' '
	485	test_when_finished "rm -f log" &&
	486
	487	test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
	488
	489	GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
	490	fetch &&
	491
	492	git -C http_child log -1 --format=%s origin/master >actual &&
	493	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
	494	test_cmp expect actual &&
	495
	496	# Server responded using protocol v2
	497	grep "git< version 2" log
	498	'
	499
a4d78ce2 BW	500	test_expect_success 'push with http:// and a config of v2 does not request v2' '
	501	test_when_finished "rm -f log" &&
	502	# Till v2 for push is designed, make sure that if a client has
	503	# protocol.version configured to use v2, that the client instead falls
	504	# back and uses v0.
	505
	506	test_commit -C http_child three &&
	507
	508	# Push to another branch, as the target repository has the
	509	# master branch checked out and we cannot push into it.
	510	GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
	511	push origin HEAD:client_branch &&
	512
	513	git -C http_child log -1 --format=%s >actual &&
	514	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s client_branch >expect &&
	515	test_cmp expect actual &&
	516
	517	# Client didnt request to use protocol v2
	518	! grep "Git-Protocol: version=2" log &&
	519	# Server didnt respond using protocol v2
	520	! grep "git< version 2" log
	521	'
	522
	523
0f1dc53f BW	524	stop_httpd
0f1dc53f BW	525
e52449b6	526	test_done