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1 | #!/bin/sh | |
2 | ||
3 | test_description="Test whether cache-tree is properly updated | |
4 | ||
5 | Tests whether various commands properly update and/or rewrite the | |
6 | cache-tree extension. | |
7 | " | |
8 | ||
9 | TEST_PASSES_SANITIZE_LEAK=true | |
10 | . ./test-lib.sh | |
11 | ||
12 | cmp_cache_tree () { | |
13 | test-tool dump-cache-tree | sed -e '/#(ref)/d' >actual && | |
14 | sed "s/$OID_REGEX/SHA/" <actual >filtered && | |
15 | test_cmp "$1" filtered && | |
16 | rm filtered | |
17 | } | |
18 | ||
19 | # We don't bother with actually checking the SHA1: | |
20 | # test-tool dump-cache-tree already verifies that all existing data is | |
21 | # correct. | |
22 | generate_expected_cache_tree () { | |
23 | pathspec="$1" && | |
24 | dir="$2${2:+/}" && | |
25 | git ls-tree --name-only HEAD -- "$pathspec" >files && | |
26 | git ls-tree --name-only -d HEAD -- "$pathspec" >subtrees && | |
27 | printf "SHA %s (%d entries, %d subtrees)\n" "$dir" $(wc -l <files) $(wc -l <subtrees) && | |
28 | while read subtree | |
29 | do | |
30 | generate_expected_cache_tree "$pathspec/$subtree/" "$subtree" || return 1 | |
31 | done <subtrees | |
32 | } | |
33 | ||
34 | test_cache_tree () { | |
35 | generate_expected_cache_tree "." >expect && | |
36 | cmp_cache_tree expect && | |
37 | rm expect actual files subtrees && | |
38 | git status --porcelain -- ':!status' ':!expected.status' >status && | |
39 | if test -n "$1" | |
40 | then | |
41 | test_cmp "$1" status | |
42 | else | |
43 | test_must_be_empty status | |
44 | fi | |
45 | } | |
46 | ||
47 | test_invalid_cache_tree () { | |
48 | printf "invalid %s ()\n" "" "$@" >expect && | |
49 | test-tool dump-cache-tree | | |
50 | sed -n -e "s/[0-9]* subtrees//" -e '/#(ref)/d' -e '/^invalid /p' >actual && | |
51 | test_cmp expect actual | |
52 | } | |
53 | ||
54 | test_no_cache_tree () { | |
55 | >expect && | |
56 | cmp_cache_tree expect | |
57 | } | |
58 | ||
59 | test_expect_success 'initial commit has cache-tree' ' | |
60 | test_commit foo && | |
61 | test_cache_tree | |
62 | ' | |
63 | ||
64 | test_expect_success 'read-tree HEAD establishes cache-tree' ' | |
65 | git read-tree HEAD && | |
66 | test_cache_tree | |
67 | ' | |
68 | ||
69 | test_expect_success 'git-add invalidates cache-tree' ' | |
70 | test_when_finished "git reset --hard; git read-tree HEAD" && | |
71 | echo "I changed this file" >foo && | |
72 | git add foo && | |
73 | test_invalid_cache_tree | |
74 | ' | |
75 | ||
76 | test_expect_success 'git-add in subdir invalidates cache-tree' ' | |
77 | test_when_finished "git reset --hard; git read-tree HEAD" && | |
78 | mkdir dirx && | |
79 | echo "I changed this file" >dirx/foo && | |
80 | git add dirx/foo && | |
81 | test_invalid_cache_tree | |
82 | ' | |
83 | ||
84 | test_expect_success 'git-add in subdir does not invalidate sibling cache-tree' ' | |
85 | git tag no-children && | |
86 | test_when_finished "git reset --hard no-children; git read-tree HEAD" && | |
87 | mkdir dir1 dir2 && | |
88 | test_commit dir1/a && | |
89 | test_commit dir2/b && | |
90 | echo "I changed this file" >dir1/a && | |
91 | test_when_finished "rm before" && | |
92 | cat >before <<-\EOF && | |
93 | SHA (3 entries, 2 subtrees) | |
94 | SHA dir1/ (1 entries, 0 subtrees) | |
95 | SHA dir2/ (1 entries, 0 subtrees) | |
96 | EOF | |
97 | cmp_cache_tree before && | |
98 | echo "I changed this file" >dir1/a && | |
99 | git add dir1/a && | |
100 | cat >expect <<-\EOF && | |
101 | invalid (2 subtrees) | |
102 | invalid dir1/ (0 subtrees) | |
103 | SHA dir2/ (1 entries, 0 subtrees) | |
104 | EOF | |
105 | cmp_cache_tree expect | |
106 | ' | |
107 | ||
108 | test_expect_success 'update-index invalidates cache-tree' ' | |
109 | test_when_finished "git reset --hard; git read-tree HEAD" && | |
110 | echo "I changed this file" >foo && | |
111 | git update-index --add foo && | |
112 | test_invalid_cache_tree | |
113 | ' | |
114 | ||
115 | test_expect_success 'write-tree establishes cache-tree' ' | |
116 | test-tool scrap-cache-tree && | |
117 | git write-tree && | |
118 | test_cache_tree | |
119 | ' | |
120 | ||
121 | test_expect_success 'test-tool scrap-cache-tree works' ' | |
122 | git read-tree HEAD && | |
123 | test-tool scrap-cache-tree && | |
124 | test_no_cache_tree | |
125 | ' | |
126 | ||
127 | test_expect_success 'second commit has cache-tree' ' | |
128 | test_commit bar && | |
129 | test_cache_tree | |
130 | ' | |
131 | ||
132 | test_expect_success PERL 'commit --interactive gives cache-tree on partial commit' ' | |
133 | test_when_finished "git reset --hard" && | |
134 | cat <<-\EOT >foo.c && | |
135 | int foo() | |
136 | { | |
137 | return 42; | |
138 | } | |
139 | int bar() | |
140 | { | |
141 | return 42; | |
142 | } | |
143 | EOT | |
144 | git add foo.c && | |
145 | test_invalid_cache_tree && | |
146 | git commit -m "add a file" && | |
147 | test_cache_tree && | |
148 | cat <<-\EOT >foo.c && | |
149 | int foo() | |
150 | { | |
151 | return 43; | |
152 | } | |
153 | int bar() | |
154 | { | |
155 | return 44; | |
156 | } | |
157 | EOT | |
158 | test_write_lines p 1 "" s n y q | | |
159 | git commit --interactive -m foo && | |
160 | cat <<-\EOF >expected.status && | |
161 | M foo.c | |
162 | EOF | |
163 | test_cache_tree expected.status | |
164 | ' | |
165 | ||
166 | test_expect_success PERL 'commit -p with shrinking cache-tree' ' | |
167 | mkdir -p deep/very-long-subdir && | |
168 | echo content >deep/very-long-subdir/file && | |
169 | git add deep && | |
170 | git commit -m add && | |
171 | git rm -r deep && | |
172 | ||
173 | before=$(wc -c <.git/index) && | |
174 | git commit -m delete -p && | |
175 | after=$(wc -c <.git/index) && | |
176 | ||
177 | # double check that the index shrank | |
178 | test $before -gt $after && | |
179 | ||
180 | # and that our index was not corrupted | |
181 | git fsck | |
182 | ' | |
183 | ||
184 | test_expect_success 'commit in child dir has cache-tree' ' | |
185 | mkdir dir && | |
186 | >dir/child.t && | |
187 | git add dir/child.t && | |
188 | git commit -m dir/child.t && | |
189 | test_cache_tree | |
190 | ' | |
191 | ||
192 | test_expect_success 'reset --hard gives cache-tree' ' | |
193 | test-tool scrap-cache-tree && | |
194 | git reset --hard && | |
195 | test_cache_tree | |
196 | ' | |
197 | ||
198 | test_expect_success 'reset --hard without index gives cache-tree' ' | |
199 | rm -f .git/index && | |
200 | git clean -fd && | |
201 | git reset --hard && | |
202 | test_cache_tree | |
203 | ' | |
204 | ||
205 | test_expect_success 'checkout gives cache-tree' ' | |
206 | git tag current && | |
207 | git checkout HEAD^ && | |
208 | test_cache_tree | |
209 | ' | |
210 | ||
211 | test_expect_success 'checkout -b gives cache-tree' ' | |
212 | git checkout current && | |
213 | git checkout -b prev HEAD^ && | |
214 | test_cache_tree | |
215 | ' | |
216 | ||
217 | test_expect_success 'checkout -B gives cache-tree' ' | |
218 | git checkout current && | |
219 | git checkout -B prev HEAD^ && | |
220 | test_cache_tree | |
221 | ' | |
222 | ||
223 | test_expect_success 'merge --ff-only maintains cache-tree' ' | |
224 | git checkout current && | |
225 | git checkout -b changes && | |
226 | test_commit llamas && | |
227 | test_commit pachyderm && | |
228 | test_cache_tree && | |
229 | git checkout current && | |
230 | test_cache_tree && | |
231 | git merge --ff-only changes && | |
232 | test_cache_tree | |
233 | ' | |
234 | ||
235 | test_expect_success 'merge maintains cache-tree' ' | |
236 | git checkout current && | |
237 | git checkout -b changes2 && | |
238 | test_commit alpacas && | |
239 | test_cache_tree && | |
240 | git checkout current && | |
241 | test_commit struthio && | |
242 | test_cache_tree && | |
243 | git merge changes2 && | |
244 | test_cache_tree | |
245 | ' | |
246 | ||
247 | test_expect_success 'partial commit gives cache-tree' ' | |
248 | git checkout -b partial no-children && | |
249 | test_commit one && | |
250 | test_commit two && | |
251 | echo "some change" >one.t && | |
252 | git add one.t && | |
253 | echo "some other change" >two.t && | |
254 | git commit two.t -m partial && | |
255 | cat <<-\EOF >expected.status && | |
256 | M one.t | |
257 | EOF | |
258 | test_cache_tree expected.status | |
259 | ' | |
260 | ||
261 | test_expect_success 'no phantom error when switching trees' ' | |
262 | mkdir newdir && | |
263 | >newdir/one && | |
264 | git add newdir/one && | |
265 | git checkout 2>errors && | |
266 | test_must_be_empty errors | |
267 | ' | |
268 | ||
269 | test_expect_success 'switching trees does not invalidate shared index' ' | |
270 | ( | |
271 | sane_unset GIT_TEST_SPLIT_INDEX && | |
272 | git update-index --split-index && | |
273 | >split && | |
274 | git add split && | |
275 | test-tool dump-split-index .git/index | grep -v ^own >before && | |
276 | git commit -m "as-is" && | |
277 | test-tool dump-split-index .git/index | grep -v ^own >after && | |
278 | test_cmp before after | |
279 | ) | |
280 | ' | |
281 | ||
282 | test_done |