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1 #!/bin/sh
2
3 test_description='behavior of diff when reading objects in a partial clone'
4
5 . ./test-lib.sh
6
7 test_expect_success 'git show batches blobs' '
8 test_when_finished "rm -rf server client trace" &&
9
10 test_create_repo server &&
11 echo a >server/a &&
12 echo b >server/b &&
13 git -C server add a b &&
14 git -C server commit -m x &&
15
16 test_config -C server uploadpack.allowfilter 1 &&
17 test_config -C server uploadpack.allowanysha1inwant 1 &&
18 git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
19
20 # Ensure that there is exactly 1 negotiation by checking that there is
21 # only 1 "done" line sent. ("done" marks the end of negotiation.)
22 GIT_TRACE_PACKET="$(pwd)/trace" git -C client show HEAD &&
23 grep "git> done" trace >done_lines &&
24 test_line_count = 1 done_lines
25 '
26
27 test_expect_success 'diff batches blobs' '
28 test_when_finished "rm -rf server client trace" &&
29
30 test_create_repo server &&
31 echo a >server/a &&
32 echo b >server/b &&
33 git -C server add a b &&
34 git -C server commit -m x &&
35 echo c >server/c &&
36 echo d >server/d &&
37 git -C server add c d &&
38 git -C server commit -m x &&
39
40 test_config -C server uploadpack.allowfilter 1 &&
41 test_config -C server uploadpack.allowanysha1inwant 1 &&
42 git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
43
44 # Ensure that there is exactly 1 negotiation by checking that there is
45 # only 1 "done" line sent. ("done" marks the end of negotiation.)
46 GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
47 grep "git> done" trace >done_lines &&
48 test_line_count = 1 done_lines
49 '
50
51 test_expect_success 'diff skips same-OID blobs' '
52 test_when_finished "rm -rf server client trace" &&
53
54 test_create_repo server &&
55 echo a >server/a &&
56 echo b >server/b &&
57 git -C server add a b &&
58 git -C server commit -m x &&
59 echo another-a >server/a &&
60 git -C server add a &&
61 git -C server commit -m x &&
62
63 test_config -C server uploadpack.allowfilter 1 &&
64 test_config -C server uploadpack.allowanysha1inwant 1 &&
65 git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
66
67 echo a | git hash-object --stdin >hash-old-a &&
68 echo another-a | git hash-object --stdin >hash-new-a &&
69 echo b | git hash-object --stdin >hash-b &&
70
71 # Ensure that only a and another-a are fetched.
72 GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
73 grep "want $(cat hash-old-a)" trace &&
74 grep "want $(cat hash-new-a)" trace &&
75 ! grep "want $(cat hash-b)" trace
76 '
77
78 test_expect_success 'diff with rename detection batches blobs' '
79 test_when_finished "rm -rf server client trace" &&
80
81 test_create_repo server &&
82 echo a >server/a &&
83 printf "b\nb\nb\nb\nb\n" >server/b &&
84 git -C server add a b &&
85 git -C server commit -m x &&
86 rm server/b &&
87 printf "b\nb\nb\nb\nbX\n" >server/c &&
88 git -C server add c &&
89 git -C server commit -a -m x &&
90
91 test_config -C server uploadpack.allowfilter 1 &&
92 test_config -C server uploadpack.allowanysha1inwant 1 &&
93 git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
94
95 # Ensure that there is exactly 1 negotiation by checking that there is
96 # only 1 "done" line sent. ("done" marks the end of negotiation.)
97 GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff -M HEAD^ HEAD >out &&
98 grep "similarity index" out &&
99 grep "git> done" trace >done_lines &&
100 test_line_count = 1 done_lines
101 '
102
103 test_done