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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 "$working_dir" count-objects >actual && | |
17 | test_cmp expect actual | |
18 | } | |
19 | ||
0d3beb71 TB |
20 | test_expect_success 'setup' ' |
21 | git config --global protocol.file.allow always | |
22 | ' | |
23 | ||
83dec733 SB |
24 | test_expect_success 'preparing first repository' ' |
25 | test_create_repo A && | |
26 | ( | |
27 | cd A && | |
28 | echo first >file1 && | |
29 | git add file1 && | |
30 | git commit -m A-initial | |
31 | ) | |
32 | ' | |
33 | ||
34 | test_expect_success 'preparing second repository' ' | |
35 | git clone A B && | |
36 | ( | |
37 | cd B && | |
38 | echo second >file2 && | |
39 | git add file2 && | |
40 | git commit -m B-addition && | |
41 | git repack -a -d && | |
42 | git prune | |
43 | ) | |
44 | ' | |
45 | ||
46 | test_expect_success 'preparing superproject' ' | |
47 | test_create_repo super && | |
48 | ( | |
49 | cd super && | |
50 | echo file >file && | |
51 | git add file && | |
52 | git commit -m B-super-initial | |
53 | ) | |
54 | ' | |
55 | ||
9292536e | 56 | test_expect_success 'submodule add --reference uses alternates' ' |
83dec733 SB |
57 | ( |
58 | cd super && | |
59 | git submodule add --reference ../B "file://$base_dir/A" sub && | |
9292536e SB |
60 | git commit -m B-super-added && |
61 | git repack -ad | |
62 | ) && | |
63 | test_alternate_is_used super/.git/modules/sub/objects/info/alternates super/sub | |
83dec733 SB |
64 | ' |
65 | ||
a0ef2934 CF |
66 | test_expect_success 'submodule add --reference with --dissociate does not use alternates' ' |
67 | ( | |
68 | cd super && | |
69 | git submodule add --reference ../B --dissociate "file://$base_dir/A" sub-dissociate && | |
70 | git commit -m B-super-added && | |
71 | git repack -ad | |
72 | ) && | |
73 | test_path_is_missing super/.git/modules/sub-dissociate/objects/info/alternates | |
74 | ' | |
75 | ||
83dec733 SB |
76 | test_expect_success 'that reference gets used with add' ' |
77 | ( | |
78 | cd super/sub && | |
79 | echo "0 objects, 0 kilobytes" >expected && | |
80 | git count-objects >current && | |
81 | diff expected current | |
82 | ) | |
83 | ' | |
84 | ||
9292536e SB |
85 | # The tests up to this point, and repositories created by them |
86 | # (A, B, super and super/sub), are about setting up the stage | |
87 | # for subsequent tests and meant to be kept throughout the | |
88 | # remainder of the test. | |
89 | # Tests from here on, if they create their own test repository, | |
90 | # are expected to clean after themselves. | |
83dec733 | 91 | |
9292536e SB |
92 | test_expect_success 'updating superproject keeps alternates' ' |
93 | test_when_finished "rm -rf super-clone" && | |
94 | git clone super super-clone && | |
95 | git -C super-clone submodule update --init --reference ../B && | |
96 | test_alternate_is_used super-clone/.git/modules/sub/objects/info/alternates super-clone/sub | |
83dec733 | 97 | ' |
d92a3959 | 98 | |
a0ef2934 CF |
99 | test_expect_success 'updating superproject with --dissociate does not keep alternates' ' |
100 | test_when_finished "rm -rf super-clone" && | |
101 | git clone super super-clone && | |
102 | git -C super-clone submodule update --init --reference ../B --dissociate && | |
103 | test_path_is_missing super-clone/.git/modules/sub/objects/info/alternates | |
104 | ' | |
105 | ||
31224cbd SB |
106 | test_expect_success 'submodules use alternates when cloning a superproject' ' |
107 | test_when_finished "rm -rf super-clone" && | |
108 | git clone --reference super --recursive super super-clone && | |
109 | ( | |
110 | cd super-clone && | |
111 | # test superproject has alternates setup correctly | |
112 | test_alternate_is_used .git/objects/info/alternates . && | |
113 | # test submodule has correct setup | |
114 | test_alternate_is_used .git/modules/sub/objects/info/alternates sub | |
115 | ) | |
116 | ' | |
117 | ||
118 | test_expect_success 'missing submodule alternate fails clone and submodule update' ' | |
119 | test_when_finished "rm -rf super-clone" && | |
120 | git clone super super2 && | |
121 | test_must_fail git clone --recursive --reference super2 super2 super-clone && | |
122 | ( | |
123 | cd super-clone && | |
124 | # test superproject has alternates setup correctly | |
125 | test_alternate_is_used .git/objects/info/alternates . && | |
126 | # update of the submodule succeeds | |
127 | test_must_fail git submodule update --init && | |
128 | # and we have no alternates: | |
4cf795b8 DL |
129 | test_path_is_missing .git/modules/sub/objects/info/alternates && |
130 | test_path_is_missing sub/file1 | |
31224cbd SB |
131 | ) |
132 | ' | |
133 | ||
134 | test_expect_success 'ignoring missing submodule alternates passes clone and submodule update' ' | |
135 | test_when_finished "rm -rf super-clone" && | |
136 | git clone --reference-if-able super2 --recursive super2 super-clone && | |
137 | ( | |
138 | cd super-clone && | |
139 | # test superproject has alternates setup correctly | |
140 | test_alternate_is_used .git/objects/info/alternates . && | |
141 | # update of the submodule succeeds | |
142 | git submodule update --init && | |
143 | # and we have no alternates: | |
4cf795b8 | 144 | test_path_is_missing .git/modules/sub/objects/info/alternates && |
31224cbd SB |
145 | test_path_is_file sub/file1 |
146 | ) | |
147 | ' | |
148 | ||
bf03b790 VS |
149 | test_expect_success 'preparing second superproject with a nested submodule plus partial clone' ' |
150 | test_create_repo supersuper && | |
151 | ( | |
152 | cd supersuper && | |
153 | echo "I am super super." >file && | |
154 | git add file && | |
e974e06d | 155 | git commit -m B-super-super-initial && |
bf03b790 VS |
156 | git submodule add "file://$base_dir/super" subwithsub && |
157 | git commit -m B-super-super-added && | |
158 | git submodule update --init --recursive && | |
159 | git repack -ad | |
160 | ) && | |
161 | git clone supersuper supersuper2 && | |
162 | ( | |
163 | cd supersuper2 && | |
164 | git submodule update --init | |
165 | ) | |
166 | ' | |
167 | ||
168 | # At this point there are three root-level positories: A, B, super and super2 | |
169 | ||
170 | test_expect_success 'nested submodule alternate in works and is actually used' ' | |
171 | test_when_finished "rm -rf supersuper-clone" && | |
172 | git clone --recursive --reference supersuper supersuper supersuper-clone && | |
173 | ( | |
174 | cd supersuper-clone && | |
175 | # test superproject has alternates setup correctly | |
176 | test_alternate_is_used .git/objects/info/alternates . && | |
177 | # immediate submodule has alternate: | |
178 | test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && | |
179 | # nested submodule also has alternate: | |
180 | test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub | |
181 | ) | |
182 | ' | |
183 | ||
184 | check_that_two_of_three_alternates_are_used() { | |
185 | test_alternate_is_used .git/objects/info/alternates . && | |
186 | # immediate submodule has alternate: | |
187 | test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && | |
188 | # but nested submodule has no alternate: | |
4cf795b8 | 189 | test_path_is_missing .git/modules/subwithsub/modules/sub/objects/info/alternates |
bf03b790 VS |
190 | } |
191 | ||
192 | ||
193 | test_expect_success 'missing nested submodule alternate fails clone and submodule update' ' | |
194 | test_when_finished "rm -rf supersuper-clone" && | |
195 | test_must_fail git clone --recursive --reference supersuper2 supersuper2 supersuper-clone && | |
196 | ( | |
197 | cd supersuper-clone && | |
198 | check_that_two_of_three_alternates_are_used && | |
199 | # update of the submodule fails | |
aca8568e ÆAB |
200 | cat >expect <<-\EOF && |
201 | fatal: submodule '\''sub'\'' cannot add alternate: path ... does not exist | |
202 | Failed to clone '\''sub'\''. Retry scheduled | |
203 | fatal: submodule '\''sub-dissociate'\'' cannot add alternate: path ... does not exist | |
204 | Failed to clone '\''sub-dissociate'\''. Retry scheduled | |
205 | fatal: submodule '\''sub'\'' cannot add alternate: path ... does not exist | |
206 | Failed to clone '\''sub'\'' a second time, aborting | |
207 | fatal: Failed to recurse into submodule path ... | |
208 | EOF | |
209 | test_must_fail git submodule update --init --recursive 2>err && | |
210 | grep -e fatal: -e ^Failed err >actual.raw && | |
211 | sed -e "s/path $SQ[^$SQ]*$SQ/path .../" <actual.raw >actual && | |
212 | test_cmp expect actual | |
bf03b790 VS |
213 | ) |
214 | ' | |
215 | ||
216 | test_expect_success 'missing nested submodule alternate in --reference-if-able mode' ' | |
217 | test_when_finished "rm -rf supersuper-clone" && | |
218 | git clone --recursive --reference-if-able supersuper2 supersuper2 supersuper-clone && | |
219 | ( | |
220 | cd supersuper-clone && | |
221 | check_that_two_of_three_alternates_are_used && | |
222 | # update of the submodule succeeds | |
223 | git submodule update --init --recursive | |
224 | ) | |
225 | ' | |
226 | ||
d92a3959 | 227 | test_done |