clone: check connectivity even if clone is partial
[git/git.git] / t / t5616-partial-clone.sh
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1#!/bin/sh
2
3test_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.
9test_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.
26test_expect_success 'setup bare clone for server' '
27 git clone --bare "file://$(pwd)/src" srv.bare &&
28 git -C srv.bare config --local uploadpack.allowfilter 1 &&
29 git -C srv.bare config --local uploadpack.allowanysha1inwant 1
30'
31
32# do basic partial clone from "srv.bare"
33# confirm we are missing all of the known blobs.
34# confirm partial clone was registered in the local config.
35test_expect_success 'do partial clone 1' '
36 git clone --no-checkout --filter=blob:none "file://$(pwd)/srv.bare" pc1 &&
37 git -C pc1 rev-list HEAD --quiet --objects --missing=print \
38 | awk -f print_1.awk \
39 | sed "s/?//" \
40 | sort >observed.oids &&
41 test_cmp expect_1.oids observed.oids &&
42 test "$(git -C pc1 config --local core.repositoryformatversion)" = "1" &&
43 test "$(git -C pc1 config --local extensions.partialclone)" = "origin" &&
44 test "$(git -C pc1 config --local core.partialclonefilter)" = "blob:none"
45'
46
47# checkout master to force dynamic object fetch of blobs at HEAD.
48test_expect_success 'verify checkout with dynamic object fetch' '
49 git -C pc1 rev-list HEAD --quiet --objects --missing=print >observed &&
50 test_line_count = 4 observed &&
51 git -C pc1 checkout master &&
52 git -C pc1 rev-list HEAD --quiet --objects --missing=print >observed &&
53 test_line_count = 0 observed
54'
55
56# create new commits in "src" repo to establish a blame history on file.1.txt
57# and push to "srv.bare".
58test_expect_success 'push new commits to server' '
59 git -C src remote add srv "file://$(pwd)/srv.bare" &&
60 for x in a b c d e
61 do
aa57b871 62 echo "Mod file.1.txt $x" >>src/file.1.txt
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63 git -C src add file.1.txt
64 git -C src commit -m "mod $x"
65 done &&
66 git -C src blame master -- file.1.txt >expect.blame &&
67 git -C src push -u srv master
68'
69
70# (partial) fetch in the partial clone repo from the promisor remote.
71# verify that fetch inherited the filter-spec from the config and DOES NOT
72# have the new blobs.
73test_expect_success 'partial fetch inherits filter settings' '
74 git -C pc1 fetch origin &&
75 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print >observed &&
76 test_line_count = 5 observed
77'
78
79# force dynamic object fetch using diff.
80# we should only get 1 new blob (for the file in origin/master).
81test_expect_success 'verify diff causes dynamic object fetch' '
82 git -C pc1 diff master..origin/master -- file.1.txt &&
83 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print >observed &&
84 test_line_count = 4 observed
85'
86
87# force full dynamic object fetch of the file's history using blame.
88# we should get the intermediate blobs for the file.
89test_expect_success 'verify blame causes dynamic object fetch' '
90 git -C pc1 blame origin/master -- file.1.txt >observed.blame &&
91 test_cmp expect.blame observed.blame &&
92 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print >observed &&
93 test_line_count = 0 observed
94'
95
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96# create new commits in "src" repo to establish a history on file.2.txt
97# and push to "srv.bare".
98test_expect_success 'push new commits to server for file.2.txt' '
99 for x in a b c d e f
100 do
101 echo "Mod file.2.txt $x" >>src/file.2.txt
102 git -C src add file.2.txt
103 git -C src commit -m "mod $x"
104 done &&
105 git -C src push -u srv master
106'
107
3aa6694f 108# Do FULL fetch by disabling inherited filter-spec using --no-filter.
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109# Verify we have all the new blobs.
110test_expect_success 'override inherited filter-spec using --no-filter' '
111 git -C pc1 fetch --no-filter origin &&
112 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print >observed &&
113 test_line_count = 0 observed
114'
115
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116# create new commits in "src" repo to establish a history on file.3.txt
117# and push to "srv.bare".
118test_expect_success 'push new commits to server for file.3.txt' '
119 for x in a b c d e f
120 do
121 echo "Mod file.3.txt $x" >>src/file.3.txt
122 git -C src add file.3.txt
123 git -C src commit -m "mod $x"
124 done &&
125 git -C src push -u srv master
126'
127
128# Do a partial fetch and then try to manually fetch the missing objects.
129# This can be used as the basis of a pre-command hook to bulk fetch objects
130# perhaps combined with a command in dry-run mode.
131test_expect_success 'manual prefetch of missing objects' '
132 git -C pc1 fetch --filter=blob:none origin &&
133 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print \
134 | awk -f print_1.awk \
135 | sed "s/?//" \
136 | sort >observed.oids &&
137 test_line_count = 6 observed.oids &&
138 git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" <observed.oids &&
139 git -C pc1 rev-list master..origin/master --quiet --objects --missing=print \
140 | awk -f print_1.awk \
141 | sed "s/?//" \
142 | sort >observed.oids &&
143 test_line_count = 0 observed.oids
144'
145
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146test_expect_success 'partial clone with transfer.fsckobjects=1 uses index-pack --fsck-objects' '
147 git init src &&
148 test_commit -C src x &&
149 test_config -C src uploadpack.allowfilter 1 &&
150 test_config -C src uploadpack.allowanysha1inwant 1 &&
151
152 GIT_TRACE="$(pwd)/trace" git -c transfer.fsckobjects=1 \
153 clone --filter="blob:none" "file://$(pwd)/src" dst &&
154 grep "git index-pack.*--fsck-objects" trace
155'
156
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157test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' '
158 rm -rf src dst &&
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 &&
163
164 # Create a tag pointing to a blob.
165 BLOB=$(echo blob-contents | git -C src hash-object --stdin -w) &&
166 git -C src tag myblob "$BLOB" &&
167
168 git clone --filter="blob:none" "file://$(pwd)/src" dst 2>err &&
169 ! grep "does not point to a valid object" err &&
170 git -C dst fsck
171'
172
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173. "$TEST_DIRECTORY"/lib-httpd.sh
174start_httpd
175
176# Converts bytes into a form suitable for inclusion in a sed command. For
177# example, "printf 'ab\r\n' | hex_unpack" results in '\x61\x62\x0d\x0a'.
178sed_escape () {
179 perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)' |
180 sed 's/\(..\)/\\x\1/g'
181}
182
183test_expect_success 'upon cloning, check that all refs point to objects' '
184 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
185 rm -rf "$SERVER" repo &&
186 test_create_repo "$SERVER" &&
187 test_commit -C "$SERVER" foo &&
188 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
189 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
190
191 # Create a tag pointing to a blob.
192 BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
193 git -C "$SERVER" tag myblob "$BLOB" &&
194
195 # Craft a packfile not including that blob.
196 git -C "$SERVER" rev-parse HEAD |
197 git -C "$SERVER" pack-objects --stdout >incomplete.pack &&
198
199 # Replace the existing packfile with the crafted one. The protocol
200 # requires that the packfile be sent in sideband 1, hence the extra
201 # \x01 byte at the beginning.
202 printf "1,/packfile/!c %04x\\\\x01%s0000" \
203 "$(($(wc -c <incomplete.pack) + 5))" \
204 "$(sed_escape <incomplete.pack)" \
205 >"$HTTPD_ROOT_PATH/one-time-sed" &&
206
207 # Use protocol v2 because the sed command looks for the "packfile"
208 # section header.
209 test_config -C "$SERVER" protocol.version 2 &&
210 test_must_fail git -c protocol.version=2 clone \
211 --filter=blob:none $HTTPD_URL/one_time_sed/server repo 2>err &&
212
213 grep "did not send all necessary objects" err &&
214
215 # Ensure that the one-time-sed script was used.
216 ! test -e "$HTTPD_ROOT_PATH/one-time-sed"
217'
218
219stop_httpd
220
35a7ae95 221test_done