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d92a3959 MT |
1 | #!/bin/sh |
2 | # | |
3 | # Copyright (c) 2009, Red Hat Inc, Author: Michael S. Tsirkin (mst@redhat.com) | |
4 | # | |
5 | ||
6 | test_description='test clone --reference' | |
7 | . ./test-lib.sh | |
8 | ||
db0ff2c0 | 9 | base_dir=$(pwd) |
d92a3959 | 10 | |
9292536e SB |
11 | test_alternate_is_used () { |
12 | alternates_file="$1" && | |
13 | working_dir="$2" && | |
14 | test_line_count = 1 "$alternates_file" && | |
15 | echo "0 objects, 0 kilobytes" >expect && | |
16 | git -C "$working_dir" count-objects >actual && | |
17 | test_cmp expect actual | |
18 | } | |
19 | ||
83dec733 SB |
20 | test_expect_success 'preparing first repository' ' |
21 | test_create_repo A && | |
22 | ( | |
23 | cd A && | |
24 | echo first >file1 && | |
25 | git add file1 && | |
26 | git commit -m A-initial | |
27 | ) | |
28 | ' | |
29 | ||
30 | test_expect_success 'preparing second repository' ' | |
31 | git clone A B && | |
32 | ( | |
33 | cd B && | |
34 | echo second >file2 && | |
35 | git add file2 && | |
36 | git commit -m B-addition && | |
37 | git repack -a -d && | |
38 | git prune | |
39 | ) | |
40 | ' | |
41 | ||
42 | test_expect_success 'preparing superproject' ' | |
43 | test_create_repo super && | |
44 | ( | |
45 | cd super && | |
46 | echo file >file && | |
47 | git add file && | |
48 | git commit -m B-super-initial | |
49 | ) | |
50 | ' | |
51 | ||
9292536e | 52 | test_expect_success 'submodule add --reference uses alternates' ' |
83dec733 SB |
53 | ( |
54 | cd super && | |
55 | git submodule add --reference ../B "file://$base_dir/A" sub && | |
9292536e SB |
56 | git commit -m B-super-added && |
57 | git repack -ad | |
58 | ) && | |
59 | test_alternate_is_used super/.git/modules/sub/objects/info/alternates super/sub | |
83dec733 SB |
60 | ' |
61 | ||
62 | test_expect_success 'that reference gets used with add' ' | |
63 | ( | |
64 | cd super/sub && | |
65 | echo "0 objects, 0 kilobytes" >expected && | |
66 | git count-objects >current && | |
67 | diff expected current | |
68 | ) | |
69 | ' | |
70 | ||
9292536e SB |
71 | # The tests up to this point, and repositories created by them |
72 | # (A, B, super and super/sub), are about setting up the stage | |
73 | # for subsequent tests and meant to be kept throughout the | |
74 | # remainder of the test. | |
75 | # Tests from here on, if they create their own test repository, | |
76 | # are expected to clean after themselves. | |
83dec733 | 77 | |
9292536e SB |
78 | test_expect_success 'updating superproject keeps alternates' ' |
79 | test_when_finished "rm -rf super-clone" && | |
80 | git clone super super-clone && | |
81 | git -C super-clone submodule update --init --reference ../B && | |
82 | test_alternate_is_used super-clone/.git/modules/sub/objects/info/alternates super-clone/sub | |
83dec733 | 83 | ' |
d92a3959 | 84 | |
31224cbd SB |
85 | test_expect_success 'submodules use alternates when cloning a superproject' ' |
86 | test_when_finished "rm -rf super-clone" && | |
87 | git clone --reference super --recursive super super-clone && | |
88 | ( | |
89 | cd super-clone && | |
90 | # test superproject has alternates setup correctly | |
91 | test_alternate_is_used .git/objects/info/alternates . && | |
92 | # test submodule has correct setup | |
93 | test_alternate_is_used .git/modules/sub/objects/info/alternates sub | |
94 | ) | |
95 | ' | |
96 | ||
97 | test_expect_success 'missing submodule alternate fails clone and submodule update' ' | |
98 | test_when_finished "rm -rf super-clone" && | |
99 | git clone super super2 && | |
100 | test_must_fail git clone --recursive --reference super2 super2 super-clone && | |
101 | ( | |
102 | cd super-clone && | |
103 | # test superproject has alternates setup correctly | |
104 | test_alternate_is_used .git/objects/info/alternates . && | |
105 | # update of the submodule succeeds | |
106 | test_must_fail git submodule update --init && | |
107 | # and we have no alternates: | |
108 | test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub && | |
109 | test_must_fail test_path_is_file sub/file1 | |
110 | ) | |
111 | ' | |
112 | ||
113 | test_expect_success 'ignoring missing submodule alternates passes clone and submodule update' ' | |
114 | test_when_finished "rm -rf super-clone" && | |
115 | git clone --reference-if-able super2 --recursive super2 super-clone && | |
116 | ( | |
117 | cd super-clone && | |
118 | # test superproject has alternates setup correctly | |
119 | test_alternate_is_used .git/objects/info/alternates . && | |
120 | # update of the submodule succeeds | |
121 | git submodule update --init && | |
122 | # and we have no alternates: | |
123 | test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub && | |
124 | test_path_is_file sub/file1 | |
125 | ) | |
126 | ' | |
127 | ||
bf03b790 VS |
128 | test_expect_success 'preparing second superproject with a nested submodule plus partial clone' ' |
129 | test_create_repo supersuper && | |
130 | ( | |
131 | cd supersuper && | |
132 | echo "I am super super." >file && | |
133 | git add file && | |
134 | git commit -m B-super-super-initial | |
135 | git submodule add "file://$base_dir/super" subwithsub && | |
136 | git commit -m B-super-super-added && | |
137 | git submodule update --init --recursive && | |
138 | git repack -ad | |
139 | ) && | |
140 | git clone supersuper supersuper2 && | |
141 | ( | |
142 | cd supersuper2 && | |
143 | git submodule update --init | |
144 | ) | |
145 | ' | |
146 | ||
147 | # At this point there are three root-level positories: A, B, super and super2 | |
148 | ||
149 | test_expect_success 'nested submodule alternate in works and is actually used' ' | |
150 | test_when_finished "rm -rf supersuper-clone" && | |
151 | git clone --recursive --reference supersuper supersuper supersuper-clone && | |
152 | ( | |
153 | cd supersuper-clone && | |
154 | # test superproject has alternates setup correctly | |
155 | test_alternate_is_used .git/objects/info/alternates . && | |
156 | # immediate submodule has alternate: | |
157 | test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && | |
158 | # nested submodule also has alternate: | |
159 | test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub | |
160 | ) | |
161 | ' | |
162 | ||
163 | check_that_two_of_three_alternates_are_used() { | |
164 | test_alternate_is_used .git/objects/info/alternates . && | |
165 | # immediate submodule has alternate: | |
166 | test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && | |
167 | # but nested submodule has no alternate: | |
168 | test_must_fail test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub | |
169 | } | |
170 | ||
171 | ||
172 | test_expect_success 'missing nested submodule alternate fails clone and submodule update' ' | |
173 | test_when_finished "rm -rf supersuper-clone" && | |
174 | test_must_fail git clone --recursive --reference supersuper2 supersuper2 supersuper-clone && | |
175 | ( | |
176 | cd supersuper-clone && | |
177 | check_that_two_of_three_alternates_are_used && | |
178 | # update of the submodule fails | |
179 | test_must_fail git submodule update --init --recursive | |
180 | ) | |
181 | ' | |
182 | ||
183 | test_expect_success 'missing nested submodule alternate in --reference-if-able mode' ' | |
184 | test_when_finished "rm -rf supersuper-clone" && | |
185 | git clone --recursive --reference-if-able supersuper2 supersuper2 supersuper-clone && | |
186 | ( | |
187 | cd supersuper-clone && | |
188 | check_that_two_of_three_alternates_are_used && | |
189 | # update of the submodule succeeds | |
190 | git submodule update --init --recursive | |
191 | ) | |
192 | ' | |
193 | ||
d92a3959 | 194 | test_done |