Merge branch 'nd/i18n'
[git.git] / t / t5616-partial-clone.sh
blob9643acb1615fe0d28a7f0e386fa69a570a93dc8e
1 #!/bin/sh
3 test_description='git partial clone'
5 . ./test-lib.sh
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 &&
13 git init src &&
14 for n in 1 2 3 4
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
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://$(pwd)/src" srv.bare &&
28 git -C srv.bare config --local uploadpack.allowfilter 1 &&
29 git -C srv.bare config --local uploadpack.allowanysha1inwant 1
32 # do basic partial clone from "srv.bare"
33 # confirm we are missing all of the known blobs.
34 # confirm partial clone was registered in the local config.
35 test_expect_success 'do partial clone 1' '
36 git clone --no-checkout --filter=blob:none "file://$(pwd)/srv.bare" pc1 &&
38 git -C pc1 rev-list --quiet --objects --missing=print HEAD >revs &&
39 awk -f print_1.awk revs |
40 sed "s/?//" |
41 sort >observed.oids &&
43 test_cmp expect_1.oids observed.oids &&
44 test "$(git -C pc1 config --local core.repositoryformatversion)" = "1" &&
45 test "$(git -C pc1 config --local extensions.partialclone)" = "origin" &&
46 test "$(git -C pc1 config --local core.partialclonefilter)" = "blob:none"
49 # checkout master to force dynamic object fetch of blobs at HEAD.
50 test_expect_success 'verify checkout with dynamic object fetch' '
51 git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed &&
52 test_line_count = 4 observed &&
53 git -C pc1 checkout master &&
54 git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed &&
55 test_line_count = 0 observed
58 # create new commits in "src" repo to establish a blame history on file.1.txt
59 # and push to "srv.bare".
60 test_expect_success 'push new commits to server' '
61 git -C src remote add srv "file://$(pwd)/srv.bare" &&
62 for x in a b c d e
64 echo "Mod file.1.txt $x" >>src/file.1.txt
65 git -C src add file.1.txt
66 git -C src commit -m "mod $x"
67 done &&
68 git -C src blame master -- file.1.txt >expect.blame &&
69 git -C src push -u srv master
72 # (partial) fetch in the partial clone repo from the promisor remote.
73 # verify that fetch inherited the filter-spec from the config and DOES NOT
74 # have the new blobs.
75 test_expect_success 'partial fetch inherits filter settings' '
76 git -C pc1 fetch origin &&
77 git -C pc1 rev-list --quiet --objects --missing=print \
78 master..origin/master >observed &&
79 test_line_count = 5 observed
82 # force dynamic object fetch using diff.
83 # we should only get 1 new blob (for the file in origin/master).
84 test_expect_success 'verify diff causes dynamic object fetch' '
85 git -C pc1 diff master..origin/master -- file.1.txt &&
86 git -C pc1 rev-list --quiet --objects --missing=print \
87 master..origin/master >observed &&
88 test_line_count = 4 observed
91 # force full dynamic object fetch of the file's history using blame.
92 # we should get the intermediate blobs for the file.
93 test_expect_success 'verify blame causes dynamic object fetch' '
94 git -C pc1 blame origin/master -- file.1.txt >observed.blame &&
95 test_cmp expect.blame observed.blame &&
96 git -C pc1 rev-list --quiet --objects --missing=print \
97 master..origin/master >observed &&
98 test_line_count = 0 observed
101 # create new commits in "src" repo to establish a history on file.2.txt
102 # and push to "srv.bare".
103 test_expect_success 'push new commits to server for file.2.txt' '
104 for x in a b c d e f
106 echo "Mod file.2.txt $x" >>src/file.2.txt
107 git -C src add file.2.txt
108 git -C src commit -m "mod $x"
109 done &&
110 git -C src push -u srv master
113 # Do FULL fetch by disabling inherited filter-spec using --no-filter.
114 # Verify we have all the new blobs.
115 test_expect_success 'override inherited filter-spec using --no-filter' '
116 git -C pc1 fetch --no-filter origin &&
117 git -C pc1 rev-list --quiet --objects --missing=print \
118 master..origin/master >observed &&
119 test_line_count = 0 observed
122 # create new commits in "src" repo to establish a history on file.3.txt
123 # and push to "srv.bare".
124 test_expect_success 'push new commits to server for file.3.txt' '
125 for x in a b c d e f
127 echo "Mod file.3.txt $x" >>src/file.3.txt
128 git -C src add file.3.txt
129 git -C src commit -m "mod $x"
130 done &&
131 git -C src push -u srv master
134 # Do a partial fetch and then try to manually fetch the missing objects.
135 # This can be used as the basis of a pre-command hook to bulk fetch objects
136 # perhaps combined with a command in dry-run mode.
137 test_expect_success 'manual prefetch of missing objects' '
138 git -C pc1 fetch --filter=blob:none origin &&
140 git -C pc1 rev-list --quiet --objects --missing=print \
141 master..origin/master >revs &&
142 awk -f print_1.awk revs |
143 sed "s/?//" |
144 sort >observed.oids &&
146 test_line_count = 6 observed.oids &&
147 git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" <observed.oids &&
149 git -C pc1 rev-list --quiet --objects --missing=print \
150 master..origin/master >revs &&
151 awk -f print_1.awk revs |
152 sed "s/?//" |
153 sort >observed.oids &&
155 test_line_count = 0 observed.oids
158 test_expect_success 'partial clone with transfer.fsckobjects=1 uses index-pack --fsck-objects' '
159 git init src &&
160 test_commit -C src x &&
161 test_config -C src uploadpack.allowfilter 1 &&
162 test_config -C src uploadpack.allowanysha1inwant 1 &&
164 GIT_TRACE="$(pwd)/trace" git -c transfer.fsckobjects=1 \
165 clone --filter="blob:none" "file://$(pwd)/src" dst &&
166 grep "git index-pack.*--fsck-objects" trace
169 test_expect_success 'use fsck before and after manually fetching a missing subtree' '
170 # push new commit so server has a subtree
171 mkdir src/dir &&
172 echo "in dir" >src/dir/file.txt &&
173 git -C src add dir/file.txt &&
174 git -C src commit -m "file in dir" &&
175 git -C src push -u srv master &&
176 SUBTREE=$(git -C src rev-parse HEAD:dir) &&
178 rm -rf dst &&
179 git clone --no-checkout --filter=tree:0 "file://$(pwd)/srv.bare" dst &&
180 git -C dst fsck &&
182 # Make sure we only have commits, and all trees and blobs are missing.
183 git -C dst rev-list --missing=allow-any --objects master \
184 >fetched_objects &&
185 awk -f print_1.awk fetched_objects |
186 xargs -n1 git -C dst cat-file -t >fetched_types &&
188 sort -u fetched_types >unique_types.observed &&
189 echo commit >unique_types.expected &&
190 test_cmp unique_types.expected unique_types.observed &&
192 # Auto-fetch a tree with cat-file.
193 git -C dst cat-file -p $SUBTREE >tree_contents &&
194 grep file.txt tree_contents &&
196 # fsck still works after an auto-fetch of a tree.
197 git -C dst fsck &&
199 # Auto-fetch all remaining trees and blobs with --missing=error
200 git -C dst rev-list --missing=error --objects master >fetched_objects &&
201 test_line_count = 70 fetched_objects &&
203 awk -f print_1.awk fetched_objects |
204 xargs -n1 git -C dst cat-file -t >fetched_types &&
206 sort -u fetched_types >unique_types.observed &&
207 test_write_lines blob commit tree >unique_types.expected &&
208 test_cmp unique_types.expected unique_types.observed
211 test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' '
212 rm -rf src dst &&
213 git init src &&
214 test_commit -C src x &&
215 test_config -C src uploadpack.allowfilter 1 &&
216 test_config -C src uploadpack.allowanysha1inwant 1 &&
218 # Create a tag pointing to a blob.
219 BLOB=$(echo blob-contents | git -C src hash-object --stdin -w) &&
220 git -C src tag myblob "$BLOB" &&
222 git clone --filter="blob:none" "file://$(pwd)/src" dst 2>err &&
223 ! grep "does not point to a valid object" err &&
224 git -C dst fsck
227 test_expect_success 'fetch what is specified on CLI even if already promised' '
228 rm -rf src dst.git &&
229 git init src &&
230 test_commit -C src foo &&
231 test_config -C src uploadpack.allowfilter 1 &&
232 test_config -C src uploadpack.allowanysha1inwant 1 &&
234 git hash-object --stdin <src/foo.t >blob &&
236 git clone --bare --filter=blob:none "file://$(pwd)/src" dst.git &&
237 git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_before &&
238 grep "?$(cat blob)" missing_before &&
239 git -C dst.git fetch origin $(cat blob) &&
240 git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_after &&
241 ! grep "?$(cat blob)" missing_after
244 . "$TEST_DIRECTORY"/lib-httpd.sh
245 start_httpd
247 # Converts bytes into a form suitable for inclusion in a sed command. For
248 # example, "printf 'ab\r\n' | hex_unpack" results in '\x61\x62\x0d\x0a'.
249 sed_escape () {
250 perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)' |
251 sed 's/\(..\)/\\x\1/g'
254 test_expect_success 'upon cloning, check that all refs point to objects' '
255 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
256 rm -rf "$SERVER" repo &&
257 test_create_repo "$SERVER" &&
258 test_commit -C "$SERVER" foo &&
259 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
260 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
262 # Create a tag pointing to a blob.
263 BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
264 git -C "$SERVER" tag myblob "$BLOB" &&
266 # Craft a packfile not including that blob.
267 git -C "$SERVER" rev-parse HEAD |
268 git -C "$SERVER" pack-objects --stdout >incomplete.pack &&
270 # Replace the existing packfile with the crafted one. The protocol
271 # requires that the packfile be sent in sideband 1, hence the extra
272 # \x01 byte at the beginning.
273 printf "1,/packfile/!c %04x\\\\x01%s0000" \
274 "$(($(wc -c <incomplete.pack) + 5))" \
275 "$(sed_escape <incomplete.pack)" \
276 >"$HTTPD_ROOT_PATH/one-time-sed" &&
278 # Use protocol v2 because the sed command looks for the "packfile"
279 # section header.
280 test_config -C "$SERVER" protocol.version 2 &&
281 test_must_fail git -c protocol.version=2 clone \
282 --filter=blob:none $HTTPD_URL/one_time_sed/server repo 2>err &&
284 test_i18ngrep "did not send all necessary objects" err &&
286 # Ensure that the one-time-sed script was used.
287 ! test -e "$HTTPD_ROOT_PATH/one-time-sed"
290 test_expect_success 'when partial cloning, tolerate server not sending target of tag' '
291 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
292 rm -rf "$SERVER" repo &&
293 test_create_repo "$SERVER" &&
294 test_commit -C "$SERVER" foo &&
295 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
296 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
298 # Create an annotated tag pointing to a blob.
299 BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
300 git -C "$SERVER" tag -m message -a myblob "$BLOB" &&
302 # Craft a packfile including the tag, but not the blob it points to.
303 # Also, omit objects referenced from HEAD in order to force a second
304 # fetch (to fetch missing objects) upon the automatic checkout that
305 # happens after a clone.
306 printf "%s\n%s\n--not\n%s\n%s\n" \
307 $(git -C "$SERVER" rev-parse HEAD) \
308 $(git -C "$SERVER" rev-parse myblob) \
309 $(git -C "$SERVER" rev-parse HEAD^{tree}) \
310 $(git -C "$SERVER" rev-parse myblob^{blob}) |
311 git -C "$SERVER" pack-objects --thin --stdout >incomplete.pack &&
313 # Replace the existing packfile with the crafted one. The protocol
314 # requires that the packfile be sent in sideband 1, hence the extra
315 # \x01 byte at the beginning.
316 printf "1,/packfile/!c %04x\\\\x01%s0000" \
317 "$(($(wc -c <incomplete.pack) + 5))" \
318 "$(sed_escape <incomplete.pack)" \
319 >"$HTTPD_ROOT_PATH/one-time-sed" &&
321 # Use protocol v2 because the sed command looks for the "packfile"
322 # section header.
323 test_config -C "$SERVER" protocol.version 2 &&
325 # Exercise to make sure it works.
326 git -c protocol.version=2 clone \
327 --filter=blob:none $HTTPD_URL/one_time_sed/server repo 2> err &&
328 ! grep "missing object referenced by" err &&
330 # Ensure that the one-time-sed script was used.
331 ! test -e "$HTTPD_ROOT_PATH/one-time-sed"
334 stop_httpd
336 test_done