about summary refs log tree commit diff
path: root/third_party/git/t/t4067-diff-partial-clone.sh
blob: 90c8fb29017562d5341a61a4bb872d323b8f8340 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
#!/bin/sh

test_description='behavior of diff when reading objects in a partial clone'

. ./test-lib.sh

test_expect_success 'git show batches blobs' '
	test_when_finished "rm -rf server client trace" &&

	test_create_repo server &&
	echo a >server/a &&
	echo b >server/b &&
	git -C server add a b &&
	git -C server commit -m x &&

	test_config -C server uploadpack.allowfilter 1 &&
	test_config -C server uploadpack.allowanysha1inwant 1 &&
	git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&

	# Ensure that there is exactly 1 negotiation by checking that there is
	# only 1 "done" line sent. ("done" marks the end of negotiation.)
	GIT_TRACE_PACKET="$(pwd)/trace" git -C client show HEAD &&
	grep "git> done" trace >done_lines &&
	test_line_count = 1 done_lines
'

test_expect_success 'diff batches blobs' '
	test_when_finished "rm -rf server client trace" &&

	test_create_repo server &&
	echo a >server/a &&
	echo b >server/b &&
	git -C server add a b &&
	git -C server commit -m x &&
	echo c >server/c &&
	echo d >server/d &&
	git -C server add c d &&
	git -C server commit -m x &&

	test_config -C server uploadpack.allowfilter 1 &&
	test_config -C server uploadpack.allowanysha1inwant 1 &&
	git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&

	# Ensure that there is exactly 1 negotiation by checking that there is
	# only 1 "done" line sent. ("done" marks the end of negotiation.)
	GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
	grep "git> done" trace >done_lines &&
	test_line_count = 1 done_lines
'

test_expect_success 'diff skips same-OID blobs' '
	test_when_finished "rm -rf server client trace" &&

	test_create_repo server &&
	echo a >server/a &&
	echo b >server/b &&
	git -C server add a b &&
	git -C server commit -m x &&
	echo another-a >server/a &&
	git -C server add a &&
	git -C server commit -m x &&

	test_config -C server uploadpack.allowfilter 1 &&
	test_config -C server uploadpack.allowanysha1inwant 1 &&
	git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&

	echo a | git hash-object --stdin >hash-old-a &&
	echo another-a | git hash-object --stdin >hash-new-a &&
	echo b | git hash-object --stdin >hash-b &&

	# Ensure that only a and another-a are fetched.
	GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
	grep "want $(cat hash-old-a)" trace &&
	grep "want $(cat hash-new-a)" trace &&
	! grep "want $(cat hash-b)" trace
'

test_expect_success 'diff with rename detection batches blobs' '
	test_when_finished "rm -rf server client trace" &&

	test_create_repo server &&
	echo a >server/a &&
	printf "b\nb\nb\nb\nb\n" >server/b &&
	git -C server add a b &&
	git -C server commit -m x &&
	rm server/b &&
	printf "b\nb\nb\nb\nbX\n" >server/c &&
	git -C server add c &&
	git -C server commit -a -m x &&

	test_config -C server uploadpack.allowfilter 1 &&
	test_config -C server uploadpack.allowanysha1inwant 1 &&
	git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&

	# Ensure that there is exactly 1 negotiation by checking that there is
	# only 1 "done" line sent. ("done" marks the end of negotiation.)
	GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff -M HEAD^ HEAD >out &&
	grep "similarity index" out &&
	grep "git> done" trace >done_lines &&
	test_line_count = 1 done_lines
'

test_done