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Commit | Line | Data |
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35a7ae95 JH |
1 | #!/bin/sh |
2 | ||
3 | test_description='git partial clone' | |
4 | ||
5 | . ./test-lib.sh | |
6 | ||
7 | # create a normal "src" repo where we can later create new commits. | |
8 | # expect_1.oids will contain a list of the OIDs of all blobs. | |
9 | test_expect_success 'setup normal src repo' ' | |
10 | echo "{print \$1}" >print_1.awk && | |
11 | echo "{print \$2}" >print_2.awk && | |
12 | ||
13 | git init src && | |
14 | for n in 1 2 3 4 | |
15 | do | |
16 | echo "This is file: $n" > src/file.$n.txt | |
17 | git -C src add file.$n.txt | |
18 | git -C src commit -m "file $n" | |
19 | git -C src ls-files -s file.$n.txt >>temp | |
20 | done && | |
21 | awk -f print_2.awk <temp | sort >expect_1.oids && | |
22 | test_line_count = 4 expect_1.oids | |
23 | ' | |
24 | ||
25 | # bare clone "src" giving "srv.bare" for use as our server. | |
26 | test_expect_success 'setup bare clone for server' ' | |
27 | git clone --bare "file://$(pwd)/src" srv.bare && | |
28 | git -C srv.bare config --local uploadpack.allowfilter 1 && | |
29 | git -C srv.bare config --local uploadpack.allowanysha1inwant 1 | |
30 | ' | |
31 | ||
32 | # do basic partial clone from "srv.bare" | |
33 | # confirm we are missing all of the known blobs. | |
34 | # confirm partial clone was registered in the local config. | |
35 | test_expect_success 'do partial clone 1' ' | |
36 | git clone --no-checkout --filter=blob:none "file://$(pwd)/srv.bare" pc1 && | |
bdbc17e8 | 37 | |
8d6ba495 | 38 | git -C pc1 rev-list --quiet --objects --missing=print HEAD >revs && |
61de0ff6 | 39 | awk -f print_1.awk revs | |
bdbc17e8 MD |
40 | sed "s/?//" | |
41 | sort >observed.oids && | |
42 | ||
35a7ae95 JH |
43 | test_cmp expect_1.oids observed.oids && |
44 | test "$(git -C pc1 config --local core.repositoryformatversion)" = "1" && | |
b14ed5ad | 45 | test "$(git -C pc1 config --local remote.origin.promisor)" = "true" && |
fa3d1b63 | 46 | test "$(git -C pc1 config --local remote.origin.partialclonefilter)" = "blob:none" |
35a7ae95 JH |
47 | ' |
48 | ||
5374a290 JT |
49 | test_expect_success 'verify that .promisor file contains refs fetched' ' |
50 | ls pc1/.git/objects/pack/pack-*.promisor >promisorlist && | |
51 | test_line_count = 1 promisorlist && | |
6c28bef2 | 52 | git -C srv.bare rev-parse --verify HEAD >headhash && |
5374a290 JT |
53 | grep "$(cat headhash) HEAD" $(cat promisorlist) && |
54 | grep "$(cat headhash) refs/heads/master" $(cat promisorlist) | |
55 | ' | |
56 | ||
35a7ae95 JH |
57 | # checkout master to force dynamic object fetch of blobs at HEAD. |
58 | test_expect_success 'verify checkout with dynamic object fetch' ' | |
8d6ba495 | 59 | git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed && |
35a7ae95 JH |
60 | test_line_count = 4 observed && |
61 | git -C pc1 checkout master && | |
8d6ba495 | 62 | git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed && |
35a7ae95 JH |
63 | test_line_count = 0 observed |
64 | ' | |
65 | ||
66 | # create new commits in "src" repo to establish a blame history on file.1.txt | |
67 | # and push to "srv.bare". | |
68 | test_expect_success 'push new commits to server' ' | |
69 | git -C src remote add srv "file://$(pwd)/srv.bare" && | |
70 | for x in a b c d e | |
71 | do | |
aa57b871 | 72 | echo "Mod file.1.txt $x" >>src/file.1.txt |
35a7ae95 JH |
73 | git -C src add file.1.txt |
74 | git -C src commit -m "mod $x" | |
75 | done && | |
76 | git -C src blame master -- file.1.txt >expect.blame && | |
77 | git -C src push -u srv master | |
78 | ' | |
79 | ||
80 | # (partial) fetch in the partial clone repo from the promisor remote. | |
81 | # verify that fetch inherited the filter-spec from the config and DOES NOT | |
82 | # have the new blobs. | |
83 | test_expect_success 'partial fetch inherits filter settings' ' | |
84 | git -C pc1 fetch origin && | |
8d6ba495 MD |
85 | git -C pc1 rev-list --quiet --objects --missing=print \ |
86 | master..origin/master >observed && | |
35a7ae95 JH |
87 | test_line_count = 5 observed |
88 | ' | |
89 | ||
90 | # force dynamic object fetch using diff. | |
91 | # we should only get 1 new blob (for the file in origin/master). | |
92 | test_expect_success 'verify diff causes dynamic object fetch' ' | |
93 | git -C pc1 diff master..origin/master -- file.1.txt && | |
8d6ba495 MD |
94 | git -C pc1 rev-list --quiet --objects --missing=print \ |
95 | master..origin/master >observed && | |
35a7ae95 JH |
96 | test_line_count = 4 observed |
97 | ' | |
98 | ||
99 | # force full dynamic object fetch of the file's history using blame. | |
100 | # we should get the intermediate blobs for the file. | |
101 | test_expect_success 'verify blame causes dynamic object fetch' ' | |
102 | git -C pc1 blame origin/master -- file.1.txt >observed.blame && | |
103 | test_cmp expect.blame observed.blame && | |
8d6ba495 MD |
104 | git -C pc1 rev-list --quiet --objects --missing=print \ |
105 | master..origin/master >observed && | |
35a7ae95 JH |
106 | test_line_count = 0 observed |
107 | ' | |
108 | ||
aa57b871 JH |
109 | # create new commits in "src" repo to establish a history on file.2.txt |
110 | # and push to "srv.bare". | |
111 | test_expect_success 'push new commits to server for file.2.txt' ' | |
112 | for x in a b c d e f | |
113 | do | |
114 | echo "Mod file.2.txt $x" >>src/file.2.txt | |
115 | git -C src add file.2.txt | |
116 | git -C src commit -m "mod $x" | |
117 | done && | |
118 | git -C src push -u srv master | |
119 | ' | |
120 | ||
3aa6694f | 121 | # Do FULL fetch by disabling inherited filter-spec using --no-filter. |
aa57b871 JH |
122 | # Verify we have all the new blobs. |
123 | test_expect_success 'override inherited filter-spec using --no-filter' ' | |
124 | git -C pc1 fetch --no-filter origin && | |
8d6ba495 MD |
125 | git -C pc1 rev-list --quiet --objects --missing=print \ |
126 | master..origin/master >observed && | |
aa57b871 JH |
127 | test_line_count = 0 observed |
128 | ' | |
129 | ||
3aa6694f JH |
130 | # create new commits in "src" repo to establish a history on file.3.txt |
131 | # and push to "srv.bare". | |
132 | test_expect_success 'push new commits to server for file.3.txt' ' | |
133 | for x in a b c d e f | |
134 | do | |
135 | echo "Mod file.3.txt $x" >>src/file.3.txt | |
136 | git -C src add file.3.txt | |
137 | git -C src commit -m "mod $x" | |
138 | done && | |
139 | git -C src push -u srv master | |
140 | ' | |
141 | ||
142 | # Do a partial fetch and then try to manually fetch the missing objects. | |
143 | # This can be used as the basis of a pre-command hook to bulk fetch objects | |
144 | # perhaps combined with a command in dry-run mode. | |
145 | test_expect_success 'manual prefetch of missing objects' ' | |
146 | git -C pc1 fetch --filter=blob:none origin && | |
bdbc17e8 | 147 | |
8d6ba495 MD |
148 | git -C pc1 rev-list --quiet --objects --missing=print \ |
149 | master..origin/master >revs && | |
61de0ff6 | 150 | awk -f print_1.awk revs | |
bdbc17e8 MD |
151 | sed "s/?//" | |
152 | sort >observed.oids && | |
153 | ||
3aa6694f JH |
154 | test_line_count = 6 observed.oids && |
155 | git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" <observed.oids && | |
bdbc17e8 | 156 | |
8d6ba495 MD |
157 | git -C pc1 rev-list --quiet --objects --missing=print \ |
158 | master..origin/master >revs && | |
61de0ff6 | 159 | awk -f print_1.awk revs | |
bdbc17e8 MD |
160 | sed "s/?//" | |
161 | sort >observed.oids && | |
162 | ||
3aa6694f JH |
163 | test_line_count = 0 observed.oids |
164 | ' | |
165 | ||
1b03df5f JT |
166 | test_expect_success 'partial clone with transfer.fsckobjects=1 works with submodules' ' |
167 | test_create_repo submodule && | |
168 | test_commit -C submodule mycommit && | |
169 | ||
170 | test_create_repo src_with_sub && | |
171 | test_config -C src_with_sub uploadpack.allowfilter 1 && | |
172 | test_config -C src_with_sub uploadpack.allowanysha1inwant 1 && | |
173 | ||
174 | git -C src_with_sub submodule add "file://$(pwd)/submodule" mysub && | |
175 | git -C src_with_sub commit -m "commit with submodule" && | |
176 | ||
177 | git -c transfer.fsckobjects=1 \ | |
178 | clone --filter="blob:none" "file://$(pwd)/src_with_sub" dst && | |
179 | test_when_finished rm -rf dst | |
180 | ' | |
181 | ||
98a2ea46 JT |
182 | test_expect_success 'partial clone with transfer.fsckobjects=1 uses index-pack --fsck-objects' ' |
183 | git init src && | |
184 | test_commit -C src x && | |
185 | test_config -C src uploadpack.allowfilter 1 && | |
186 | test_config -C src uploadpack.allowanysha1inwant 1 && | |
187 | ||
188 | GIT_TRACE="$(pwd)/trace" git -c transfer.fsckobjects=1 \ | |
189 | clone --filter="blob:none" "file://$(pwd)/src" dst && | |
190 | grep "git index-pack.*--fsck-objects" trace | |
191 | ' | |
192 | ||
bc5975d2 MD |
193 | test_expect_success 'use fsck before and after manually fetching a missing subtree' ' |
194 | # push new commit so server has a subtree | |
195 | mkdir src/dir && | |
196 | echo "in dir" >src/dir/file.txt && | |
197 | git -C src add dir/file.txt && | |
198 | git -C src commit -m "file in dir" && | |
199 | git -C src push -u srv master && | |
200 | SUBTREE=$(git -C src rev-parse HEAD:dir) && | |
201 | ||
202 | rm -rf dst && | |
203 | git clone --no-checkout --filter=tree:0 "file://$(pwd)/srv.bare" dst && | |
204 | git -C dst fsck && | |
205 | ||
206 | # Make sure we only have commits, and all trees and blobs are missing. | |
207 | git -C dst rev-list --missing=allow-any --objects master \ | |
208 | >fetched_objects && | |
209 | awk -f print_1.awk fetched_objects | | |
210 | xargs -n1 git -C dst cat-file -t >fetched_types && | |
211 | ||
212 | sort -u fetched_types >unique_types.observed && | |
213 | echo commit >unique_types.expected && | |
214 | test_cmp unique_types.expected unique_types.observed && | |
215 | ||
216 | # Auto-fetch a tree with cat-file. | |
217 | git -C dst cat-file -p $SUBTREE >tree_contents && | |
218 | grep file.txt tree_contents && | |
219 | ||
220 | # fsck still works after an auto-fetch of a tree. | |
221 | git -C dst fsck && | |
222 | ||
223 | # Auto-fetch all remaining trees and blobs with --missing=error | |
224 | git -C dst rev-list --missing=error --objects master >fetched_objects && | |
225 | test_line_count = 70 fetched_objects && | |
226 | ||
227 | awk -f print_1.awk fetched_objects | | |
228 | xargs -n1 git -C dst cat-file -t >fetched_types && | |
229 | ||
230 | sort -u fetched_types >unique_types.observed && | |
d9e6d094 | 231 | test_write_lines blob commit tree >unique_types.expected && |
bc5975d2 MD |
232 | test_cmp unique_types.expected unique_types.observed |
233 | ' | |
234 | ||
489fc9ee MD |
235 | test_expect_success 'implicitly construct combine: filter with repeated flags' ' |
236 | GIT_TRACE=$(pwd)/trace git clone --bare \ | |
237 | --filter=blob:none --filter=tree:1 \ | |
238 | "file://$(pwd)/srv.bare" pc2 && | |
239 | grep "trace:.* git pack-objects .*--filter=combine:blob:none+tree:1" \ | |
240 | trace && | |
241 | git -C pc2 rev-list --objects --missing=allow-any HEAD >objects && | |
242 | ||
243 | # We should have gotten some root trees. | |
244 | grep " $" objects && | |
245 | # Should not have gotten any non-root trees or blobs. | |
246 | ! grep " ." objects && | |
247 | ||
248 | xargs -n 1 git -C pc2 cat-file -t <objects >types && | |
249 | sort -u types >unique_types.actual && | |
250 | test_write_lines commit tree >unique_types.expected && | |
251 | test_cmp unique_types.expected unique_types.actual | |
252 | ' | |
253 | ||
d43a21bd JK |
254 | test_expect_success 'upload-pack complains of bogus filter config' ' |
255 | printf 0000 | | |
256 | test_must_fail git \ | |
257 | -c uploadpackfilter.tree.maxdepth \ | |
258 | upload-pack . >/dev/null 2>err && | |
259 | test_i18ngrep "unable to parse.*tree.maxdepth" err | |
260 | ' | |
261 | ||
6dd3456a TB |
262 | test_expect_success 'upload-pack fails banned object filters' ' |
263 | test_config -C srv.bare uploadpackfilter.blob:none.allow false && | |
264 | test_must_fail ok=sigpipe git clone --no-checkout --filter=blob:none \ | |
265 | "file://$(pwd)/srv.bare" pc3 2>err && | |
6cc275ea | 266 | test_i18ngrep "filter '\''blob:none'\'' not supported" err |
6dd3456a TB |
267 | ' |
268 | ||
269 | test_expect_success 'upload-pack fails banned combine object filters' ' | |
270 | test_config -C srv.bare uploadpackfilter.allow false && | |
271 | test_config -C srv.bare uploadpackfilter.combine.allow true && | |
272 | test_config -C srv.bare uploadpackfilter.tree.allow true && | |
273 | test_config -C srv.bare uploadpackfilter.blob:none.allow false && | |
274 | test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:1 \ | |
275 | --filter=blob:none "file://$(pwd)/srv.bare" pc3 2>err && | |
6cc275ea | 276 | test_i18ngrep "filter '\''blob:none'\'' not supported" err |
6dd3456a TB |
277 | ' |
278 | ||
279 | test_expect_success 'upload-pack fails banned object filters with fallback' ' | |
280 | test_config -C srv.bare uploadpackfilter.allow false && | |
281 | test_must_fail ok=sigpipe git clone --no-checkout --filter=blob:none \ | |
282 | "file://$(pwd)/srv.bare" pc3 2>err && | |
6cc275ea | 283 | test_i18ngrep "filter '\''blob:none'\'' not supported" err |
6dd3456a TB |
284 | ' |
285 | ||
5b01a4e8 TB |
286 | test_expect_success 'upload-pack limits tree depth filters' ' |
287 | test_config -C srv.bare uploadpackfilter.allow false && | |
288 | test_config -C srv.bare uploadpackfilter.tree.allow true && | |
289 | test_config -C srv.bare uploadpackfilter.tree.maxDepth 0 && | |
290 | test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:1 \ | |
291 | "file://$(pwd)/srv.bare" pc3 2>err && | |
8d133f50 TB |
292 | test_i18ngrep "tree filter allows max depth 0, but got 1" err && |
293 | ||
294 | git clone --no-checkout --filter=tree:0 "file://$(pwd)/srv.bare" pc4 && | |
295 | ||
296 | test_config -C srv.bare uploadpackfilter.tree.maxDepth 5 && | |
297 | git clone --no-checkout --filter=tree:5 "file://$(pwd)/srv.bare" pc5 && | |
298 | test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:6 \ | |
299 | "file://$(pwd)/srv.bare" pc6 2>err && | |
300 | test_i18ngrep "tree filter allows max depth 5, but got 6" err | |
5b01a4e8 TB |
301 | ' |
302 | ||
a0c9016a JT |
303 | test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' ' |
304 | rm -rf src dst && | |
305 | git init src && | |
306 | test_commit -C src x && | |
307 | test_config -C src uploadpack.allowfilter 1 && | |
308 | test_config -C src uploadpack.allowanysha1inwant 1 && | |
309 | ||
310 | # Create a tag pointing to a blob. | |
311 | BLOB=$(echo blob-contents | git -C src hash-object --stdin -w) && | |
312 | git -C src tag myblob "$BLOB" && | |
313 | ||
314 | git clone --filter="blob:none" "file://$(pwd)/src" dst 2>err && | |
315 | ! grep "does not point to a valid object" err && | |
316 | git -C dst fsck | |
317 | ' | |
318 | ||
35f9e3e5 JT |
319 | test_expect_success 'fetch what is specified on CLI even if already promised' ' |
320 | rm -rf src dst.git && | |
321 | git init src && | |
322 | test_commit -C src foo && | |
323 | test_config -C src uploadpack.allowfilter 1 && | |
324 | test_config -C src uploadpack.allowanysha1inwant 1 && | |
325 | ||
326 | git hash-object --stdin <src/foo.t >blob && | |
327 | ||
328 | git clone --bare --filter=blob:none "file://$(pwd)/src" dst.git && | |
329 | git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_before && | |
330 | grep "?$(cat blob)" missing_before && | |
331 | git -C dst.git fetch origin $(cat blob) && | |
332 | git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_after && | |
333 | ! grep "?$(cat blob)" missing_after | |
334 | ' | |
335 | ||
72de5895 JS |
336 | test_expect_success 'setup src repo for sparse filter' ' |
337 | git init sparse-src && | |
338 | git -C sparse-src config --local uploadpack.allowfilter 1 && | |
339 | git -C sparse-src config --local uploadpack.allowanysha1inwant 1 && | |
340 | test_commit -C sparse-src one && | |
341 | test_commit -C sparse-src two && | |
342 | echo /one.t >sparse-src/only-one && | |
343 | git -C sparse-src add . && | |
344 | git -C sparse-src commit -m "add sparse checkout files" | |
345 | ' | |
346 | ||
4c96a775 | 347 | test_expect_success 'partial clone with sparse filter succeeds' ' |
72de5895 JS |
348 | rm -rf dst.git && |
349 | git clone --no-local --bare \ | |
350 | --filter=sparse:oid=master:only-one \ | |
351 | sparse-src dst.git && | |
352 | ( | |
353 | cd dst.git && | |
354 | git rev-list --objects --missing=print HEAD >out && | |
355 | grep "^$(git rev-parse HEAD:one.t)" out && | |
356 | grep "^?$(git rev-parse HEAD:two.t)" out | |
357 | ) | |
358 | ' | |
359 | ||
4c96a775 | 360 | test_expect_success 'partial clone with unresolvable sparse filter fails cleanly' ' |
72de5895 JS |
361 | rm -rf dst.git && |
362 | test_must_fail git clone --no-local --bare \ | |
363 | --filter=sparse:oid=master:no-such-name \ | |
364 | sparse-src dst.git 2>err && | |
365 | test_i18ngrep "unable to access sparse blob in .master:no-such-name" err && | |
366 | test_must_fail git clone --no-local --bare \ | |
367 | --filter=sparse:oid=master \ | |
368 | sparse-src dst.git 2>err && | |
cf34337f | 369 | test_i18ngrep "unable to parse sparse filter data in" err |
72de5895 JS |
370 | ' |
371 | ||
6462d5eb JT |
372 | setup_triangle () { |
373 | rm -rf big-blob.txt server client promisor-remote && | |
374 | ||
375 | printf "line %d\n" $(test_seq 1 100) >big-blob.txt && | |
376 | ||
b54128bb | 377 | # Create a server with 2 commits: a commit with a big tree and a child |
6462d5eb JT |
378 | # commit with an incremental change. Also, create a partial clone |
379 | # client that only contains the first commit. | |
380 | git init server && | |
381 | git -C server config --local uploadpack.allowfilter 1 && | |
b54128bb JT |
382 | for i in $(test_seq 1 100) |
383 | do | |
384 | echo "make the tree big" >server/file$i && | |
385 | git -C server add file$i | |
386 | done && | |
6462d5eb JT |
387 | git -C server commit -m "initial" && |
388 | git clone --bare --filter=tree:0 "file://$(pwd)/server" client && | |
b54128bb JT |
389 | echo another line >>server/file1 && |
390 | git -C server commit -am "incremental change" && | |
6462d5eb | 391 | |
b54128bb JT |
392 | # Create a promisor remote that only contains the tree and blob from |
393 | # the first commit. | |
6462d5eb | 394 | git init promisor-remote && |
b54128bb JT |
395 | git -C server config --local uploadpack.allowanysha1inwant 1 && |
396 | TREE_HASH=$(git -C server rev-parse HEAD~1^{tree}) && | |
397 | git -C promisor-remote fetch --keep "file://$(pwd)/server" "$TREE_HASH" && | |
398 | git -C promisor-remote count-objects -v >object-count && | |
399 | test_i18ngrep "count: 0" object-count && | |
400 | test_i18ngrep "in-pack: 2" object-count && | |
401 | ||
402 | # Set it as the promisor remote of client. Thus, whenever | |
403 | # the client lazy fetches, the lazy fetch will succeed only if it is | |
404 | # for this tree or blob. | |
6462d5eb JT |
405 | test_commit -C promisor-remote one && # so that ref advertisement is not empty |
406 | git -C promisor-remote config --local uploadpack.allowanysha1inwant 1 && | |
6462d5eb JT |
407 | git -C client remote set-url origin "file://$(pwd)/promisor-remote" |
408 | } | |
409 | ||
410 | # NEEDSWORK: The tests beginning with "fetch lazy-fetches" below only | |
411 | # test that "fetch" avoid fetching trees and blobs, but not commits or | |
412 | # tags. Revisit this if Git is ever taught to support partial clones | |
413 | # with commits and/or tags filtered out. | |
414 | ||
415 | test_expect_success 'fetch lazy-fetches only to resolve deltas' ' | |
416 | setup_triangle && | |
417 | ||
418 | # Exercise to make sure it works. Git will not fetch anything from the | |
b54128bb | 419 | # promisor remote other than for the big tree (because it needs to |
6462d5eb JT |
420 | # resolve the delta). |
421 | GIT_TRACE_PACKET="$(pwd)/trace" git -C client \ | |
422 | fetch "file://$(pwd)/server" master && | |
423 | ||
424 | # Verify the assumption that the client needed to fetch the delta base | |
425 | # to resolve the delta. | |
b54128bb | 426 | git -C server rev-parse HEAD~1^{tree} >hash && |
6462d5eb JT |
427 | grep "want $(cat hash)" trace |
428 | ' | |
429 | ||
430 | test_expect_success 'fetch lazy-fetches only to resolve deltas, protocol v2' ' | |
431 | setup_triangle && | |
432 | ||
433 | git -C server config --local protocol.version 2 && | |
434 | git -C client config --local protocol.version 2 && | |
435 | git -C promisor-remote config --local protocol.version 2 && | |
436 | ||
437 | # Exercise to make sure it works. Git will not fetch anything from the | |
438 | # promisor remote other than for the big blob (because it needs to | |
439 | # resolve the delta). | |
440 | GIT_TRACE_PACKET="$(pwd)/trace" git -C client \ | |
441 | fetch "file://$(pwd)/server" master && | |
442 | ||
443 | # Verify that protocol version 2 was used. | |
444 | grep "fetch< version 2" trace && | |
445 | ||
446 | # Verify the assumption that the client needed to fetch the delta base | |
447 | # to resolve the delta. | |
b54128bb | 448 | git -C server rev-parse HEAD~1^{tree} >hash && |
6462d5eb JT |
449 | grep "want $(cat hash)" trace |
450 | ' | |
451 | ||
5c3b801d JT |
452 | test_expect_success 'fetch does not lazy-fetch missing targets of its refs' ' |
453 | rm -rf server client trace && | |
454 | ||
455 | test_create_repo server && | |
456 | test_config -C server uploadpack.allowfilter 1 && | |
457 | test_config -C server uploadpack.allowanysha1inwant 1 && | |
458 | test_commit -C server foo && | |
459 | ||
460 | git clone --filter=blob:none "file://$(pwd)/server" client && | |
461 | # Make all refs point to nothing by deleting all objects. | |
462 | rm client/.git/objects/pack/* && | |
463 | ||
464 | test_commit -C server bar && | |
465 | GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch \ | |
466 | --no-tags --recurse-submodules=no \ | |
467 | origin refs/tags/bar && | |
468 | FOO_HASH=$(git -C server rev-parse foo) && | |
469 | ! grep "want $FOO_HASH" trace | |
470 | ' | |
471 | ||
08450ef7 CC |
472 | # The following two tests must be in this order. It is important that |
473 | # the srv.bare repository did not have tags during clone, but has tags | |
d0badf87 DS |
474 | # in the fetch. |
475 | ||
08450ef7 | 476 | test_expect_success 'verify fetch succeeds when asking for new tags' ' |
d0badf87 DS |
477 | git clone --filter=blob:none "file://$(pwd)/srv.bare" tag-test && |
478 | for i in I J K | |
479 | do | |
480 | test_commit -C src $i && | |
481 | git -C src branch $i || return 1 | |
482 | done && | |
483 | git -C srv.bare fetch --tags origin +refs/heads/*:refs/heads/* && | |
484 | git -C tag-test -c protocol.version=2 fetch --tags origin | |
485 | ' | |
486 | ||
3e96c668 | 487 | test_expect_success 'verify fetch downloads only one pack when updating refs' ' |
d0badf87 DS |
488 | git clone --filter=blob:none "file://$(pwd)/srv.bare" pack-test && |
489 | ls pack-test/.git/objects/pack/*pack >pack-list && | |
490 | test_line_count = 2 pack-list && | |
491 | for i in A B C | |
492 | do | |
493 | test_commit -C src $i && | |
494 | git -C src branch $i || return 1 | |
495 | done && | |
496 | git -C srv.bare fetch origin +refs/heads/*:refs/heads/* && | |
497 | git -C pack-test fetch origin && | |
498 | ls pack-test/.git/objects/pack/*pack >pack-list && | |
499 | test_line_count = 3 pack-list | |
500 | ' | |
501 | ||
167a575e JK |
502 | test_expect_success 'single-branch tag following respects partial clone' ' |
503 | git clone --single-branch -b B --filter=blob:none \ | |
504 | "file://$(pwd)/srv.bare" single && | |
505 | git -C single rev-parse --verify refs/tags/B && | |
506 | git -C single rev-parse --verify refs/tags/A && | |
507 | test_must_fail git -C single rev-parse --verify refs/tags/C | |
508 | ' | |
509 | ||
77aa0941 JT |
510 | test_expect_success 'fetch from a partial clone, protocol v0' ' |
511 | rm -rf server client trace && | |
512 | ||
513 | # Pretend that the server is a partial clone | |
514 | git init server && | |
515 | git -C server remote add a_remote "file://$(pwd)/" && | |
516 | test_config -C server core.repositoryformatversion 1 && | |
517 | test_config -C server extensions.partialclone a_remote && | |
518 | test_config -C server protocol.version 0 && | |
519 | test_commit -C server foo && | |
520 | ||
521 | # Fetch from the server | |
522 | git init client && | |
523 | test_config -C client protocol.version 0 && | |
524 | test_commit -C client bar && | |
525 | GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch "file://$(pwd)/server" && | |
526 | ! grep "version 2" trace | |
527 | ' | |
528 | ||
529 | test_expect_success 'fetch from a partial clone, protocol v2' ' | |
530 | rm -rf server client trace && | |
531 | ||
532 | # Pretend that the server is a partial clone | |
533 | git init server && | |
534 | git -C server remote add a_remote "file://$(pwd)/" && | |
535 | test_config -C server core.repositoryformatversion 1 && | |
536 | test_config -C server extensions.partialclone a_remote && | |
537 | test_config -C server protocol.version 2 && | |
538 | test_commit -C server foo && | |
539 | ||
540 | # Fetch from the server | |
541 | git init client && | |
542 | test_config -C client protocol.version 2 && | |
543 | test_commit -C client bar && | |
544 | GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch "file://$(pwd)/server" && | |
545 | grep "version 2" trace | |
546 | ' | |
547 | ||
a7e67c11 JT |
548 | . "$TEST_DIRECTORY"/lib-httpd.sh |
549 | start_httpd | |
550 | ||
385d1bfd JT |
551 | # Converts bytes into their hexadecimal representation. For example, |
552 | # "printf 'ab\r\n' | hex_unpack" results in '61620d0a'. | |
553 | hex_unpack () { | |
554 | perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)' | |
555 | } | |
556 | ||
557 | # Inserts $1 at the start of the string and every 2 characters thereafter. | |
558 | intersperse () { | |
559 | sed 's/\(..\)/'$1'\1/g' | |
560 | } | |
561 | ||
eafff6e4 | 562 | # Create a one-time-perl command to replace the existing packfile with $1. |
385d1bfd JT |
563 | replace_packfile () { |
564 | # The protocol requires that the packfile be sent in sideband 1, hence | |
565 | # the extra \x01 byte at the beginning. | |
eafff6e4 JS |
566 | cp $1 "$HTTPD_ROOT_PATH/one-time-pack" && |
567 | echo 'if (/packfile/) { | |
568 | print; | |
569 | my $length = -s "one-time-pack"; | |
570 | printf "%04x\x01", $length + 5; | |
571 | print `cat one-time-pack` . "0000"; | |
572 | last | |
573 | }' >"$HTTPD_ROOT_PATH/one-time-perl" | |
a7e67c11 JT |
574 | } |
575 | ||
576 | test_expect_success 'upon cloning, check that all refs point to objects' ' | |
577 | SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && | |
578 | rm -rf "$SERVER" repo && | |
579 | test_create_repo "$SERVER" && | |
580 | test_commit -C "$SERVER" foo && | |
581 | test_config -C "$SERVER" uploadpack.allowfilter 1 && | |
582 | test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 && | |
583 | ||
584 | # Create a tag pointing to a blob. | |
585 | BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) && | |
586 | git -C "$SERVER" tag myblob "$BLOB" && | |
587 | ||
588 | # Craft a packfile not including that blob. | |
589 | git -C "$SERVER" rev-parse HEAD | | |
bdbc17e8 | 590 | git -C "$SERVER" pack-objects --stdout >incomplete.pack && |
a7e67c11 JT |
591 | |
592 | # Replace the existing packfile with the crafted one. The protocol | |
593 | # requires that the packfile be sent in sideband 1, hence the extra | |
594 | # \x01 byte at the beginning. | |
385d1bfd | 595 | replace_packfile incomplete.pack && |
a7e67c11 | 596 | |
eafff6e4 | 597 | # Use protocol v2 because the perl command looks for the "packfile" |
a7e67c11 JT |
598 | # section header. |
599 | test_config -C "$SERVER" protocol.version 2 && | |
600 | test_must_fail git -c protocol.version=2 clone \ | |
eafff6e4 | 601 | --filter=blob:none $HTTPD_URL/one_time_perl/server repo 2>err && |
a7e67c11 | 602 | |
3813a89f | 603 | test_i18ngrep "did not send all necessary objects" err && |
a7e67c11 | 604 | |
eafff6e4 JS |
605 | # Ensure that the one-time-perl script was used. |
606 | ! test -e "$HTTPD_ROOT_PATH/one-time-perl" | |
a7e67c11 JT |
607 | ' |
608 | ||
dc0a13f6 JT |
609 | test_expect_success 'when partial cloning, tolerate server not sending target of tag' ' |
610 | SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && | |
611 | rm -rf "$SERVER" repo && | |
612 | test_create_repo "$SERVER" && | |
613 | test_commit -C "$SERVER" foo && | |
614 | test_config -C "$SERVER" uploadpack.allowfilter 1 && | |
615 | test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 && | |
616 | ||
617 | # Create an annotated tag pointing to a blob. | |
618 | BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) && | |
619 | git -C "$SERVER" tag -m message -a myblob "$BLOB" && | |
620 | ||
621 | # Craft a packfile including the tag, but not the blob it points to. | |
8c4cc326 JT |
622 | # Also, omit objects referenced from HEAD in order to force a second |
623 | # fetch (to fetch missing objects) upon the automatic checkout that | |
624 | # happens after a clone. | |
625 | printf "%s\n%s\n--not\n%s\n%s\n" \ | |
dc0a13f6 JT |
626 | $(git -C "$SERVER" rev-parse HEAD) \ |
627 | $(git -C "$SERVER" rev-parse myblob) \ | |
8c4cc326 | 628 | $(git -C "$SERVER" rev-parse HEAD^{tree}) \ |
dc0a13f6 JT |
629 | $(git -C "$SERVER" rev-parse myblob^{blob}) | |
630 | git -C "$SERVER" pack-objects --thin --stdout >incomplete.pack && | |
631 | ||
632 | # Replace the existing packfile with the crafted one. The protocol | |
633 | # requires that the packfile be sent in sideband 1, hence the extra | |
634 | # \x01 byte at the beginning. | |
385d1bfd | 635 | replace_packfile incomplete.pack && |
dc0a13f6 | 636 | |
eafff6e4 | 637 | # Use protocol v2 because the perl command looks for the "packfile" |
dc0a13f6 JT |
638 | # section header. |
639 | test_config -C "$SERVER" protocol.version 2 && | |
640 | ||
641 | # Exercise to make sure it works. | |
642 | git -c protocol.version=2 clone \ | |
eafff6e4 | 643 | --filter=blob:none $HTTPD_URL/one_time_perl/server repo 2> err && |
8c4cc326 | 644 | ! grep "missing object referenced by" err && |
dc0a13f6 | 645 | |
eafff6e4 JS |
646 | # Ensure that the one-time-perl script was used. |
647 | ! test -e "$HTTPD_ROOT_PATH/one-time-perl" | |
dc0a13f6 JT |
648 | ' |
649 | ||
8a30a1ef JT |
650 | test_expect_success 'tolerate server sending REF_DELTA against missing promisor objects' ' |
651 | SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && | |
652 | rm -rf "$SERVER" repo && | |
653 | test_create_repo "$SERVER" && | |
654 | test_config -C "$SERVER" uploadpack.allowfilter 1 && | |
655 | test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 && | |
656 | ||
810e1932 | 657 | # Create a commit with 2 blobs to be used as delta bases. |
8a30a1ef JT |
658 | for i in $(test_seq 10) |
659 | do | |
810e1932 JT |
660 | echo "this is a line" >>"$SERVER/foo.txt" && |
661 | echo "this is another line" >>"$SERVER/have.txt" | |
8a30a1ef | 662 | done && |
810e1932 | 663 | git -C "$SERVER" add foo.txt have.txt && |
8a30a1ef | 664 | git -C "$SERVER" commit -m bar && |
810e1932 JT |
665 | git -C "$SERVER" rev-parse HEAD:foo.txt >deltabase_missing && |
666 | git -C "$SERVER" rev-parse HEAD:have.txt >deltabase_have && | |
8a30a1ef | 667 | |
810e1932 | 668 | # Clone. The client has deltabase_have but not deltabase_missing. |
8a30a1ef | 669 | git -c protocol.version=2 clone --no-checkout \ |
eafff6e4 | 670 | --filter=blob:none $HTTPD_URL/one_time_perl/server repo && |
810e1932 | 671 | git -C repo hash-object -w -- "$SERVER/have.txt" && |
8a30a1ef | 672 | |
810e1932 JT |
673 | # Sanity check to ensure that the client does not have |
674 | # deltabase_missing. | |
5718c53d | 675 | git -C repo rev-list --objects --ignore-missing \ |
810e1932 | 676 | -- $(cat deltabase_missing) >objlist && |
8a30a1ef JT |
677 | test_line_count = 0 objlist && |
678 | ||
679 | # Another commit. This commit will be fetched by the client. | |
680 | echo "abcdefghijklmnopqrstuvwxyz" >>"$SERVER/foo.txt" && | |
810e1932 JT |
681 | echo "abcdefghijklmnopqrstuvwxyz" >>"$SERVER/have.txt" && |
682 | git -C "$SERVER" add foo.txt have.txt && | |
8a30a1ef JT |
683 | git -C "$SERVER" commit -m baz && |
684 | ||
685 | # Pack a thin pack containing, among other things, HEAD:foo.txt | |
810e1932 JT |
686 | # delta-ed against HEAD^:foo.txt and HEAD:have.txt delta-ed against |
687 | # HEAD^:have.txt. | |
8a30a1ef JT |
688 | printf "%s\n--not\n%s\n" \ |
689 | $(git -C "$SERVER" rev-parse HEAD) \ | |
690 | $(git -C "$SERVER" rev-parse HEAD^) | | |
691 | git -C "$SERVER" pack-objects --thin --stdout >thin.pack && | |
692 | ||
693 | # Ensure that the pack contains one delta against HEAD^:foo.txt. Since | |
694 | # the delta contains at least 26 novel characters, the size cannot be | |
695 | # contained in 4 bits, so the object header will take up 2 bytes. The | |
696 | # most significant nybble of the first byte is 0b1111 (0b1 to indicate | |
697 | # that the header continues, and 0b111 to indicate REF_DELTA), followed | |
698 | # by any 3 nybbles, then the OID of the delta base. | |
810e1932 JT |
699 | printf "f.,..%s" $(intersperse "," <deltabase_missing) >want && |
700 | hex_unpack <thin.pack | intersperse "," >have && | |
701 | grep $(cat want) have && | |
702 | ||
703 | # Ensure that the pack contains one delta against HEAD^:have.txt, | |
704 | # similar to the above. | |
705 | printf "f.,..%s" $(intersperse "," <deltabase_have) >want && | |
8a30a1ef JT |
706 | hex_unpack <thin.pack | intersperse "," >have && |
707 | grep $(cat want) have && | |
708 | ||
709 | replace_packfile thin.pack && | |
710 | ||
eafff6e4 | 711 | # Use protocol v2 because the perl command looks for the "packfile" |
8a30a1ef JT |
712 | # section header. |
713 | test_config -C "$SERVER" protocol.version 2 && | |
714 | ||
715 | # Fetch the thin pack and ensure that index-pack is able to handle the | |
716 | # REF_DELTA object with a missing promisor delta base. | |
810e1932 JT |
717 | GIT_TRACE_PACKET="$(pwd)/trace" git -C repo -c protocol.version=2 fetch && |
718 | ||
719 | # Ensure that the missing delta base was directly fetched, but not the | |
720 | # one that the client has. | |
721 | grep "want $(cat deltabase_missing)" trace && | |
722 | ! grep "want $(cat deltabase_have)" trace && | |
8a30a1ef | 723 | |
eafff6e4 JS |
724 | # Ensure that the one-time-perl script was used. |
725 | ! test -e "$HTTPD_ROOT_PATH/one-time-perl" | |
8a30a1ef JT |
726 | ' |
727 | ||
decfe05b SG |
728 | # DO NOT add non-httpd-specific tests here, because the last part of this |
729 | # test script is only executed when httpd is available and enabled. | |
730 | ||
35a7ae95 | 731 | test_done |