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498f1f61 JT |
1 | #!/bin/sh |
2 | ||
3 | test_description='partial clone' | |
4 | ||
5 | . ./test-lib.sh | |
6 | ||
7 | delete_object () { | |
8 | rm $1/.git/objects/$(echo $2 | sed -e 's|^..|&/|') | |
9 | } | |
10 | ||
11 | pack_as_from_promisor () { | |
12 | HASH=$(git -C repo pack-objects .git/objects/pack/pack) && | |
0c16cd49 JT |
13 | >repo/.git/objects/pack/pack-$HASH.promisor && |
14 | echo $HASH | |
498f1f61 JT |
15 | } |
16 | ||
43f25158 JT |
17 | promise_and_delete () { |
18 | HASH=$(git -C repo rev-parse "$1") && | |
19 | git -C repo tag -a -m message my_annotated_tag "$HASH" && | |
20 | git -C repo rev-parse my_annotated_tag | pack_as_from_promisor && | |
0c16cd49 JT |
21 | # tag -d prints a message to stdout, so redirect it |
22 | git -C repo tag -d my_annotated_tag >/dev/null && | |
43f25158 JT |
23 | delete_object repo "$HASH" |
24 | } | |
25 | ||
cac1137d JT |
26 | test_expect_success 'extensions.partialclone without filter' ' |
27 | test_create_repo server && | |
28 | git clone --filter="blob:none" "file://$(pwd)/server" client && | |
29 | git -C client config --unset core.partialclonefilter && | |
30 | git -C client fetch origin | |
31 | ' | |
32 | ||
498f1f61 | 33 | test_expect_success 'missing reflog object, but promised by a commit, passes fsck' ' |
cac1137d | 34 | rm -rf repo && |
498f1f61 JT |
35 | test_create_repo repo && |
36 | test_commit -C repo my_commit && | |
37 | ||
38 | A=$(git -C repo commit-tree -m a HEAD^{tree}) && | |
39 | C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) && | |
40 | ||
41 | # Reference $A only from reflog, and delete it | |
42 | git -C repo branch my_branch "$A" && | |
43 | git -C repo branch -f my_branch my_commit && | |
44 | delete_object repo "$A" && | |
45 | ||
46 | # State that we got $C, which refers to $A, from promisor | |
47 | printf "$C\n" | pack_as_from_promisor && | |
48 | ||
49 | # Normally, it fails | |
50 | test_must_fail git -C repo fsck && | |
51 | ||
52 | # But with the extension, it succeeds | |
53 | git -C repo config core.repositoryformatversion 1 && | |
54 | git -C repo config extensions.partialclone "arbitrary string" && | |
55 | git -C repo fsck | |
56 | ' | |
57 | ||
58 | test_expect_success 'missing reflog object, but promised by a tag, passes fsck' ' | |
59 | rm -rf repo && | |
60 | test_create_repo repo && | |
61 | test_commit -C repo my_commit && | |
62 | ||
63 | A=$(git -C repo commit-tree -m a HEAD^{tree}) && | |
64 | git -C repo tag -a -m d my_tag_name $A && | |
65 | T=$(git -C repo rev-parse my_tag_name) && | |
66 | git -C repo tag -d my_tag_name && | |
67 | ||
68 | # Reference $A only from reflog, and delete it | |
69 | git -C repo branch my_branch "$A" && | |
70 | git -C repo branch -f my_branch my_commit && | |
71 | delete_object repo "$A" && | |
72 | ||
73 | # State that we got $T, which refers to $A, from promisor | |
74 | printf "$T\n" | pack_as_from_promisor && | |
75 | ||
76 | git -C repo config core.repositoryformatversion 1 && | |
77 | git -C repo config extensions.partialclone "arbitrary string" && | |
78 | git -C repo fsck | |
79 | ' | |
80 | ||
81 | test_expect_success 'missing reflog object alone fails fsck, even with extension set' ' | |
82 | rm -rf repo && | |
83 | test_create_repo repo && | |
84 | test_commit -C repo my_commit && | |
85 | ||
86 | A=$(git -C repo commit-tree -m a HEAD^{tree}) && | |
87 | B=$(git -C repo commit-tree -m b HEAD^{tree}) && | |
88 | ||
89 | # Reference $A only from reflog, and delete it | |
90 | git -C repo branch my_branch "$A" && | |
91 | git -C repo branch -f my_branch my_commit && | |
92 | delete_object repo "$A" && | |
93 | ||
94 | git -C repo config core.repositoryformatversion 1 && | |
95 | git -C repo config extensions.partialclone "arbitrary string" && | |
96 | test_must_fail git -C repo fsck | |
97 | ' | |
98 | ||
43f25158 JT |
99 | test_expect_success 'missing ref object, but promised, passes fsck' ' |
100 | rm -rf repo && | |
101 | test_create_repo repo && | |
102 | test_commit -C repo my_commit && | |
103 | ||
104 | A=$(git -C repo commit-tree -m a HEAD^{tree}) && | |
105 | ||
106 | # Reference $A only from ref | |
107 | git -C repo branch my_branch "$A" && | |
108 | promise_and_delete "$A" && | |
109 | ||
110 | git -C repo config core.repositoryformatversion 1 && | |
111 | git -C repo config extensions.partialclone "arbitrary string" && | |
112 | git -C repo fsck | |
113 | ' | |
114 | ||
caba7fc3 JT |
115 | test_expect_success 'missing object, but promised, passes fsck' ' |
116 | rm -rf repo && | |
117 | test_create_repo repo && | |
118 | test_commit -C repo 1 && | |
119 | test_commit -C repo 2 && | |
120 | test_commit -C repo 3 && | |
121 | git -C repo tag -a annotated_tag -m "annotated tag" && | |
122 | ||
123 | C=$(git -C repo rev-parse 1) && | |
124 | T=$(git -C repo rev-parse 2^{tree}) && | |
125 | B=$(git hash-object repo/3.t) && | |
126 | AT=$(git -C repo rev-parse annotated_tag) && | |
127 | ||
128 | promise_and_delete "$C" && | |
129 | promise_and_delete "$T" && | |
130 | promise_and_delete "$B" && | |
131 | promise_and_delete "$AT" && | |
132 | ||
133 | git -C repo config core.repositoryformatversion 1 && | |
134 | git -C repo config extensions.partialclone "arbitrary string" && | |
135 | git -C repo fsck | |
136 | ' | |
137 | ||
096c9b8b JT |
138 | test_expect_success 'missing CLI object, but promised, passes fsck' ' |
139 | rm -rf repo && | |
140 | test_create_repo repo && | |
141 | test_commit -C repo my_commit && | |
142 | ||
143 | A=$(git -C repo commit-tree -m a HEAD^{tree}) && | |
144 | promise_and_delete "$A" && | |
145 | ||
146 | git -C repo config core.repositoryformatversion 1 && | |
147 | git -C repo config extensions.partialclone "arbitrary string" && | |
148 | git -C repo fsck "$A" | |
149 | ' | |
150 | ||
8b4c0103 JT |
151 | test_expect_success 'fetching of missing objects' ' |
152 | rm -rf repo && | |
153 | test_create_repo server && | |
154 | test_commit -C server foo && | |
155 | git -C server repack -a -d --write-bitmap-index && | |
156 | ||
157 | git clone "file://$(pwd)/server" repo && | |
158 | HASH=$(git -C repo rev-parse foo) && | |
159 | rm -rf repo/.git/objects/* && | |
160 | ||
161 | git -C repo config core.repositoryformatversion 1 && | |
162 | git -C repo config extensions.partialclone "origin" && | |
163 | git -C repo cat-file -p "$HASH" && | |
164 | ||
165 | # Ensure that the .promisor file is written, and check that its | |
166 | # associated packfile contains the object | |
167 | ls repo/.git/objects/pack/pack-*.promisor >promisorlist && | |
168 | test_line_count = 1 promisorlist && | |
169 | IDX=$(cat promisorlist | sed "s/promisor$/idx/") && | |
170 | git verify-pack --verbose "$IDX" | grep "$HASH" | |
171 | ' | |
172 | ||
df11e196 JT |
173 | test_expect_success 'rev-list stops traversal at missing and promised commit' ' |
174 | rm -rf repo && | |
175 | test_create_repo repo && | |
176 | test_commit -C repo foo && | |
177 | test_commit -C repo bar && | |
178 | ||
179 | FOO=$(git -C repo rev-parse foo) && | |
180 | promise_and_delete "$FOO" && | |
181 | ||
182 | git -C repo config core.repositoryformatversion 1 && | |
183 | git -C repo config extensions.partialclone "arbitrary string" && | |
184 | git -C repo rev-list --exclude-promisor-objects --objects bar >out && | |
185 | grep $(git -C repo rev-parse bar) out && | |
186 | ! grep $FOO out | |
187 | ' | |
188 | ||
189 | test_expect_success 'rev-list stops traversal at missing and promised tree' ' | |
190 | rm -rf repo && | |
191 | test_create_repo repo && | |
192 | test_commit -C repo foo && | |
193 | mkdir repo/a_dir && | |
194 | echo something >repo/a_dir/something && | |
195 | git -C repo add a_dir/something && | |
196 | git -C repo commit -m bar && | |
197 | ||
198 | # foo^{tree} (tree referenced from commit) | |
199 | TREE=$(git -C repo rev-parse foo^{tree}) && | |
200 | ||
201 | # a tree referenced by HEAD^{tree} (tree referenced from tree) | |
202 | TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) && | |
203 | ||
204 | promise_and_delete "$TREE" && | |
205 | promise_and_delete "$TREE2" && | |
206 | ||
207 | git -C repo config core.repositoryformatversion 1 && | |
208 | git -C repo config extensions.partialclone "arbitrary string" && | |
209 | git -C repo rev-list --exclude-promisor-objects --objects HEAD >out && | |
210 | grep $(git -C repo rev-parse foo) out && | |
211 | ! grep $TREE out && | |
212 | grep $(git -C repo rev-parse HEAD) out && | |
213 | ! grep $TREE2 out | |
214 | ' | |
215 | ||
216 | test_expect_success 'rev-list stops traversal at missing and promised blob' ' | |
217 | rm -rf repo && | |
218 | test_create_repo repo && | |
219 | echo something >repo/something && | |
220 | git -C repo add something && | |
221 | git -C repo commit -m foo && | |
222 | ||
223 | BLOB=$(git -C repo hash-object -w something) && | |
224 | promise_and_delete "$BLOB" && | |
225 | ||
226 | git -C repo config core.repositoryformatversion 1 && | |
227 | git -C repo config extensions.partialclone "arbitrary string" && | |
228 | git -C repo rev-list --exclude-promisor-objects --objects HEAD >out && | |
229 | grep $(git -C repo rev-parse HEAD) out && | |
230 | ! grep $BLOB out | |
231 | ' | |
232 | ||
233 | test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' ' | |
234 | rm -rf repo && | |
235 | test_create_repo repo && | |
236 | test_commit -C repo foo && | |
237 | test_commit -C repo bar && | |
238 | test_commit -C repo baz && | |
239 | ||
240 | COMMIT=$(git -C repo rev-parse foo) && | |
241 | TREE=$(git -C repo rev-parse bar^{tree}) && | |
242 | BLOB=$(git hash-object repo/baz.t) && | |
243 | printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor && | |
244 | ||
245 | git -C repo config core.repositoryformatversion 1 && | |
246 | git -C repo config extensions.partialclone "arbitrary string" && | |
247 | git -C repo rev-list --exclude-promisor-objects --objects HEAD >out && | |
248 | ! grep $COMMIT out && | |
249 | ! grep $TREE out && | |
250 | ! grep $BLOB out && | |
251 | grep $(git -C repo rev-parse bar) out # sanity check that some walking was done | |
252 | ' | |
253 | ||
254 | test_expect_success 'rev-list accepts missing and promised objects on command line' ' | |
255 | rm -rf repo && | |
256 | test_create_repo repo && | |
257 | test_commit -C repo foo && | |
258 | test_commit -C repo bar && | |
259 | test_commit -C repo baz && | |
260 | ||
261 | COMMIT=$(git -C repo rev-parse foo) && | |
262 | TREE=$(git -C repo rev-parse bar^{tree}) && | |
263 | BLOB=$(git hash-object repo/baz.t) && | |
264 | ||
265 | promise_and_delete $COMMIT && | |
266 | promise_and_delete $TREE && | |
267 | promise_and_delete $BLOB && | |
268 | ||
269 | git -C repo config core.repositoryformatversion 1 && | |
270 | git -C repo config extensions.partialclone "arbitrary string" && | |
271 | git -C repo rev-list --exclude-promisor-objects --objects "$COMMIT" "$TREE" "$BLOB" | |
272 | ' | |
273 | ||
5d19e813 | 274 | test_expect_success 'gc repacks promisor objects separately from non-promisor objects' ' |
0c16cd49 JT |
275 | rm -rf repo && |
276 | test_create_repo repo && | |
5d19e813 JT |
277 | test_commit -C repo one && |
278 | test_commit -C repo two && | |
0c16cd49 | 279 | |
5d19e813 JT |
280 | TREE_ONE=$(git -C repo rev-parse one^{tree}) && |
281 | printf "$TREE_ONE\n" | pack_as_from_promisor && | |
282 | TREE_TWO=$(git -C repo rev-parse two^{tree}) && | |
283 | printf "$TREE_TWO\n" | pack_as_from_promisor && | |
0c16cd49 JT |
284 | |
285 | git -C repo config core.repositoryformatversion 1 && | |
286 | git -C repo config extensions.partialclone "arbitrary string" && | |
287 | git -C repo gc && | |
288 | ||
5d19e813 JT |
289 | # Ensure that exactly one promisor packfile exists, and that it |
290 | # contains the trees but not the commits | |
291 | ls repo/.git/objects/pack/pack-*.promisor >promisorlist && | |
292 | test_line_count = 1 promisorlist && | |
293 | PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) && | |
294 | git verify-pack $PROMISOR_PACKFILE -v >out && | |
295 | grep "$TREE_ONE" out && | |
296 | grep "$TREE_TWO" out && | |
297 | ! grep "$(git -C repo rev-parse one)" out && | |
298 | ! grep "$(git -C repo rev-parse two)" out && | |
299 | ||
300 | # Remove the promisor packfile and associated files | |
301 | rm $(sed "s/.promisor//" <promisorlist).* && | |
302 | ||
303 | # Ensure that the single other pack contains the commits, but not the | |
304 | # trees | |
0c16cd49 JT |
305 | ls repo/.git/objects/pack/pack-*.pack >packlist && |
306 | test_line_count = 1 packlist && | |
307 | git verify-pack repo/.git/objects/pack/pack-*.pack -v >out && | |
5d19e813 JT |
308 | grep "$(git -C repo rev-parse one)" out && |
309 | grep "$(git -C repo rev-parse two)" out && | |
310 | ! grep "$TREE_ONE" out && | |
311 | ! grep "$TREE_TWO" out | |
312 | ' | |
313 | ||
314 | test_expect_success 'gc does not repack promisor objects if there are none' ' | |
315 | rm -rf repo && | |
316 | test_create_repo repo && | |
317 | test_commit -C repo one && | |
318 | ||
319 | git -C repo config core.repositoryformatversion 1 && | |
320 | git -C repo config extensions.partialclone "arbitrary string" && | |
321 | git -C repo gc && | |
322 | ||
323 | # Ensure that only one pack exists | |
324 | ls repo/.git/objects/pack/pack-*.pack >packlist && | |
325 | test_line_count = 1 packlist | |
326 | ' | |
327 | ||
328 | repack_and_check () { | |
329 | rm -rf repo2 && | |
330 | cp -r repo repo2 && | |
331 | git -C repo2 repack $1 -d && | |
332 | git -C repo2 fsck && | |
333 | ||
334 | git -C repo2 cat-file -e $2 && | |
335 | git -C repo2 cat-file -e $3 | |
336 | } | |
337 | ||
338 | test_expect_success 'repack -d does not irreversibly delete promisor objects' ' | |
339 | rm -rf repo && | |
340 | test_create_repo repo && | |
341 | git -C repo config core.repositoryformatversion 1 && | |
342 | git -C repo config extensions.partialclone "arbitrary string" && | |
343 | ||
344 | git -C repo commit --allow-empty -m one && | |
345 | git -C repo commit --allow-empty -m two && | |
346 | git -C repo commit --allow-empty -m three && | |
347 | git -C repo commit --allow-empty -m four && | |
348 | ONE=$(git -C repo rev-parse HEAD^^^) && | |
349 | TWO=$(git -C repo rev-parse HEAD^^) && | |
350 | THREE=$(git -C repo rev-parse HEAD^) && | |
351 | ||
352 | printf "$TWO\n" | pack_as_from_promisor && | |
353 | printf "$THREE\n" | pack_as_from_promisor && | |
354 | delete_object repo "$ONE" && | |
355 | ||
356 | repack_and_check -a "$TWO" "$THREE" && | |
357 | repack_and_check -A "$TWO" "$THREE" && | |
358 | repack_and_check -l "$TWO" "$THREE" | |
0c16cd49 JT |
359 | ' |
360 | ||
361 | test_expect_success 'gc stops traversal when a missing but promised object is reached' ' | |
362 | rm -rf repo && | |
363 | test_create_repo repo && | |
364 | test_commit -C repo my_commit && | |
365 | ||
366 | TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) && | |
367 | HASH=$(promise_and_delete $TREE_HASH) && | |
368 | ||
369 | git -C repo config core.repositoryformatversion 1 && | |
370 | git -C repo config extensions.partialclone "arbitrary string" && | |
371 | git -C repo gc && | |
372 | ||
373 | # Ensure that the promisor packfile still exists, and remove it | |
374 | test -e repo/.git/objects/pack/pack-$HASH.pack && | |
375 | rm repo/.git/objects/pack/pack-$HASH.* && | |
376 | ||
377 | # Ensure that the single other pack contains the commit, but not the tree | |
378 | ls repo/.git/objects/pack/pack-*.pack >packlist && | |
379 | test_line_count = 1 packlist && | |
380 | git verify-pack repo/.git/objects/pack/pack-*.pack -v >out && | |
381 | grep "$(git -C repo rev-parse HEAD)" out && | |
382 | ! grep "$TREE_HASH" out | |
383 | ' | |
384 | ||
8b4c0103 JT |
385 | LIB_HTTPD_PORT=12345 # default port, 410, cannot be used as non-root |
386 | . "$TEST_DIRECTORY"/lib-httpd.sh | |
387 | start_httpd | |
388 | ||
389 | test_expect_success 'fetching of missing objects from an HTTP server' ' | |
390 | rm -rf repo && | |
391 | SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && | |
392 | test_create_repo "$SERVER" && | |
393 | test_commit -C "$SERVER" foo && | |
394 | git -C "$SERVER" repack -a -d --write-bitmap-index && | |
395 | ||
396 | git clone $HTTPD_URL/smart/server repo && | |
397 | HASH=$(git -C repo rev-parse foo) && | |
398 | rm -rf repo/.git/objects/* && | |
399 | ||
400 | git -C repo config core.repositoryformatversion 1 && | |
401 | git -C repo config extensions.partialclone "origin" && | |
402 | git -C repo cat-file -p "$HASH" && | |
403 | ||
404 | # Ensure that the .promisor file is written, and check that its | |
405 | # associated packfile contains the object | |
406 | ls repo/.git/objects/pack/pack-*.promisor >promisorlist && | |
407 | test_line_count = 1 promisorlist && | |
408 | IDX=$(cat promisorlist | sed "s/promisor$/idx/") && | |
409 | git verify-pack --verbose "$IDX" | grep "$HASH" | |
410 | ' | |
411 | ||
412 | stop_httpd | |
413 | ||
498f1f61 | 414 | test_done |