tests: don't swallow Git errors upstream of pipes
[git/git.git] / t / t5616-partial-clone.sh
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 &&
37
38 git -C pc1 rev-list HEAD --quiet --objects --missing=print >revs &&
39 awk -f print_1.awk revs |
40 sed "s/?//" |
41 sort >observed.oids &&
42
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 "$(git -C pc1 config --local core.partialclonefilter)" = "blob:none"
47 '
48
49 # checkout master to force dynamic object fetch of blobs at HEAD.
50 test_expect_success 'verify checkout with dynamic object fetch' '
51 git -C pc1 rev-list HEAD --quiet --objects --missing=print >observed &&
52 test_line_count = 4 observed &&
53 git -C pc1 checkout master &&
54 git -C pc1 rev-list HEAD --quiet --objects --missing=print >observed &&
55 test_line_count = 0 observed
56 '
57
58 # create new commits in "src" repo to establish a blame history on file.1.txt
59 # and push to "srv.bare".
60 test_expect_success 'push new commits to server' '
61 git -C src remote add srv "file://$(pwd)/srv.bare" &&
62 for x in a b c d e
63 do
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
70 '
71
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 master..origin/master --quiet --objects --missing=print >observed &&
78 test_line_count = 5 observed
79 '
80
81 # force dynamic object fetch using diff.
82 # we should only get 1 new blob (for the file in origin/master).
83 test_expect_success 'verify diff causes dynamic object fetch' '
84 git -C pc1 diff master..origin/master -- file.1.txt &&
85 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print >observed &&
86 test_line_count = 4 observed
87 '
88
89 # force full dynamic object fetch of the file's history using blame.
90 # we should get the intermediate blobs for the file.
91 test_expect_success 'verify blame causes dynamic object fetch' '
92 git -C pc1 blame origin/master -- file.1.txt >observed.blame &&
93 test_cmp expect.blame observed.blame &&
94 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print >observed &&
95 test_line_count = 0 observed
96 '
97
98 # create new commits in "src" repo to establish a history on file.2.txt
99 # and push to "srv.bare".
100 test_expect_success 'push new commits to server for file.2.txt' '
101 for x in a b c d e f
102 do
103 echo "Mod file.2.txt $x" >>src/file.2.txt
104 git -C src add file.2.txt
105 git -C src commit -m "mod $x"
106 done &&
107 git -C src push -u srv master
108 '
109
110 # Do FULL fetch by disabling inherited filter-spec using --no-filter.
111 # Verify we have all the new blobs.
112 test_expect_success 'override inherited filter-spec using --no-filter' '
113 git -C pc1 fetch --no-filter origin &&
114 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print >observed &&
115 test_line_count = 0 observed
116 '
117
118 # create new commits in "src" repo to establish a history on file.3.txt
119 # and push to "srv.bare".
120 test_expect_success 'push new commits to server for file.3.txt' '
121 for x in a b c d e f
122 do
123 echo "Mod file.3.txt $x" >>src/file.3.txt
124 git -C src add file.3.txt
125 git -C src commit -m "mod $x"
126 done &&
127 git -C src push -u srv master
128 '
129
130 # Do a partial fetch and then try to manually fetch the missing objects.
131 # This can be used as the basis of a pre-command hook to bulk fetch objects
132 # perhaps combined with a command in dry-run mode.
133 test_expect_success 'manual prefetch of missing objects' '
134 git -C pc1 fetch --filter=blob:none origin &&
135
136 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print \
137 >revs &&
138 awk -f print_1.awk revs |
139 sed "s/?//" |
140 sort >observed.oids &&
141
142 test_line_count = 6 observed.oids &&
143 git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" <observed.oids &&
144
145 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print \
146 >revs &&
147 awk -f print_1.awk revs |
148 sed "s/?//" |
149 sort >observed.oids &&
150
151 test_line_count = 0 observed.oids
152 '
153
154 test_expect_success 'partial clone with transfer.fsckobjects=1 uses index-pack --fsck-objects' '
155 git init src &&
156 test_commit -C src x &&
157 test_config -C src uploadpack.allowfilter 1 &&
158 test_config -C src uploadpack.allowanysha1inwant 1 &&
159
160 GIT_TRACE="$(pwd)/trace" git -c transfer.fsckobjects=1 \
161 clone --filter="blob:none" "file://$(pwd)/src" dst &&
162 grep "git index-pack.*--fsck-objects" trace
163 '
164
165 test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' '
166 rm -rf src dst &&
167 git init src &&
168 test_commit -C src x &&
169 test_config -C src uploadpack.allowfilter 1 &&
170 test_config -C src uploadpack.allowanysha1inwant 1 &&
171
172 # Create a tag pointing to a blob.
173 BLOB=$(echo blob-contents | git -C src hash-object --stdin -w) &&
174 git -C src tag myblob "$BLOB" &&
175
176 git clone --filter="blob:none" "file://$(pwd)/src" dst 2>err &&
177 ! grep "does not point to a valid object" err &&
178 git -C dst fsck
179 '
180
181 . "$TEST_DIRECTORY"/lib-httpd.sh
182 start_httpd
183
184 # Converts bytes into a form suitable for inclusion in a sed command. For
185 # example, "printf 'ab\r\n' | hex_unpack" results in '\x61\x62\x0d\x0a'.
186 sed_escape () {
187 perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)' |
188 sed 's/\(..\)/\\x\1/g'
189 }
190
191 test_expect_success 'upon cloning, check that all refs point to objects' '
192 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
193 rm -rf "$SERVER" repo &&
194 test_create_repo "$SERVER" &&
195 test_commit -C "$SERVER" foo &&
196 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
197 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
198
199 # Create a tag pointing to a blob.
200 BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
201 git -C "$SERVER" tag myblob "$BLOB" &&
202
203 # Craft a packfile not including that blob.
204 git -C "$SERVER" rev-parse HEAD |
205 git -C "$SERVER" pack-objects --stdout >incomplete.pack &&
206
207 # Replace the existing packfile with the crafted one. The protocol
208 # requires that the packfile be sent in sideband 1, hence the extra
209 # \x01 byte at the beginning.
210 printf "1,/packfile/!c %04x\\\\x01%s0000" \
211 "$(($(wc -c <incomplete.pack) + 5))" \
212 "$(sed_escape <incomplete.pack)" \
213 >"$HTTPD_ROOT_PATH/one-time-sed" &&
214
215 # Use protocol v2 because the sed command looks for the "packfile"
216 # section header.
217 test_config -C "$SERVER" protocol.version 2 &&
218 test_must_fail git -c protocol.version=2 clone \
219 --filter=blob:none $HTTPD_URL/one_time_sed/server repo 2>err &&
220
221 grep "did not send all necessary objects" err &&
222
223 # Ensure that the one-time-sed script was used.
224 ! test -e "$HTTPD_ROOT_PATH/one-time-sed"
225 '
226
227 test_expect_success 'when partial cloning, tolerate server not sending target of tag' '
228 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
229 rm -rf "$SERVER" repo &&
230 test_create_repo "$SERVER" &&
231 test_commit -C "$SERVER" foo &&
232 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
233 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
234
235 # Create an annotated tag pointing to a blob.
236 BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
237 git -C "$SERVER" tag -m message -a myblob "$BLOB" &&
238
239 # Craft a packfile including the tag, but not the blob it points to.
240 # Also, omit objects referenced from HEAD in order to force a second
241 # fetch (to fetch missing objects) upon the automatic checkout that
242 # happens after a clone.
243 printf "%s\n%s\n--not\n%s\n%s\n" \
244 $(git -C "$SERVER" rev-parse HEAD) \
245 $(git -C "$SERVER" rev-parse myblob) \
246 $(git -C "$SERVER" rev-parse HEAD^{tree}) \
247 $(git -C "$SERVER" rev-parse myblob^{blob}) |
248 git -C "$SERVER" pack-objects --thin --stdout >incomplete.pack &&
249
250 # Replace the existing packfile with the crafted one. The protocol
251 # requires that the packfile be sent in sideband 1, hence the extra
252 # \x01 byte at the beginning.
253 printf "1,/packfile/!c %04x\\\\x01%s0000" \
254 "$(($(wc -c <incomplete.pack) + 5))" \
255 "$(sed_escape <incomplete.pack)" \
256 >"$HTTPD_ROOT_PATH/one-time-sed" &&
257
258 # Use protocol v2 because the sed command looks for the "packfile"
259 # section header.
260 test_config -C "$SERVER" protocol.version 2 &&
261
262 # Exercise to make sure it works.
263 git -c protocol.version=2 clone \
264 --filter=blob:none $HTTPD_URL/one_time_sed/server repo 2> err &&
265 ! grep "missing object referenced by" err &&
266
267 # Ensure that the one-time-sed script was used.
268 ! test -e "$HTTPD_ROOT_PATH/one-time-sed"
269 '
270
271 stop_httpd
272
273 test_done