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Commit | Line | Data |
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a3407730 DS |
1 | #!/bin/sh |
2 | ||
3 | test_description='multi-pack-indexes' | |
4 | . ./test-lib.sh | |
5 | ||
c4d25228 DS |
6 | objdir=.git/objects |
7 | ||
4d80560c | 8 | midx_read_expect () { |
396f2570 | 9 | NUM_PACKS=$1 |
d7cacf29 | 10 | NUM_OBJECTS=$2 |
662148c4 DS |
11 | NUM_CHUNKS=$3 |
12 | OBJECT_DIR=$4 | |
13 | EXTRA_CHUNKS="$5" | |
3227565c DS |
14 | { |
15 | cat <<-EOF && | |
662148c4 DS |
16 | header: 4d494458 1 $NUM_CHUNKS $NUM_PACKS |
17 | chunks: pack-names oid-fanout oid-lookup object-offsets$EXTRA_CHUNKS | |
d7cacf29 | 18 | num_objects: $NUM_OBJECTS |
3227565c DS |
19 | packs: |
20 | EOF | |
21 | if test $NUM_PACKS -ge 1 | |
22 | then | |
662148c4 | 23 | ls $OBJECT_DIR/pack/ | grep idx | sort |
3227565c | 24 | fi && |
662148c4 | 25 | printf "object-dir: $OBJECT_DIR\n" |
3227565c | 26 | } >expect && |
662148c4 | 27 | test-tool read-midx $OBJECT_DIR >actual && |
4d80560c DS |
28 | test_cmp expect actual |
29 | } | |
30 | ||
a3407730 | 31 | test_expect_success 'write midx with no packs' ' |
fc59e748 DS |
32 | test_when_finished rm -f pack/multi-pack-index && |
33 | git multi-pack-index --object-dir=. write && | |
662148c4 | 34 | midx_read_expect 0 0 4 . |
a3407730 DS |
35 | ' |
36 | ||
2c381335 DS |
37 | generate_objects () { |
38 | i=$1 | |
39 | iii=$(printf '%03i' $i) | |
40 | { | |
41 | test-tool genrandom "bar" 200 && | |
42 | test-tool genrandom "baz $iii" 50 | |
43 | } >wide_delta_$iii && | |
44 | { | |
45 | test-tool genrandom "foo"$i 100 && | |
46 | test-tool genrandom "foo"$(( $i + 1 )) 100 && | |
47 | test-tool genrandom "foo"$(( $i + 2 )) 100 | |
48 | } >deep_delta_$iii && | |
49 | { | |
50 | echo $iii && | |
51 | test-tool genrandom "$iii" 8192 | |
52 | } >file_$iii && | |
53 | git update-index --add file_$iii deep_delta_$iii wide_delta_$iii | |
54 | } | |
55 | ||
56 | commit_and_list_objects () { | |
57 | { | |
58 | echo 101 && | |
59 | test-tool genrandom 100 8192; | |
60 | } >file_101 && | |
61 | git update-index --add file_101 && | |
62 | tree=$(git write-tree) && | |
63 | commit=$(git commit-tree $tree -p HEAD</dev/null) && | |
64 | { | |
65 | echo $tree && | |
66 | git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/" | |
67 | } >obj-list && | |
68 | git reset --hard $commit | |
69 | } | |
70 | ||
71 | test_expect_success 'create objects' ' | |
72 | test_commit initial && | |
73 | for i in $(test_seq 1 5) | |
74 | do | |
75 | generate_objects $i | |
76 | done && | |
77 | commit_and_list_objects | |
78 | ' | |
79 | ||
80 | test_expect_success 'write midx with one v1 pack' ' | |
c4d25228 DS |
81 | pack=$(git pack-objects --index-version=1 $objdir/pack/test <obj-list) && |
82 | test_when_finished rm $objdir/pack/test-$pack.pack \ | |
83 | $objdir/pack/test-$pack.idx $objdir/pack/multi-pack-index && | |
84 | git multi-pack-index --object-dir=$objdir write && | |
85 | midx_read_expect 1 18 4 $objdir | |
2c381335 DS |
86 | ' |
87 | ||
c4d25228 | 88 | midx_git_two_modes () { |
b4a14394 JK |
89 | git -c core.multiPackIndex=false $1 >expect && |
90 | git -c core.multiPackIndex=true $1 >actual && | |
e9ab2ed7 DS |
91 | if [ "$2" = "sorted" ] |
92 | then | |
b4a14394 JK |
93 | sort <expect >expect.sorted && |
94 | mv expect.sorted expect && | |
95 | sort <actual >actual.sorted && | |
96 | mv actual.sorted actual | |
e9ab2ed7 | 97 | fi && |
c4d25228 DS |
98 | test_cmp expect actual |
99 | } | |
100 | ||
101 | compare_results_with_midx () { | |
102 | MSG=$1 | |
103 | test_expect_success "check normal git operations: $MSG" ' | |
104 | midx_git_two_modes "rev-list --objects --all" && | |
e9ab2ed7 DS |
105 | midx_git_two_modes "log --raw" && |
106 | midx_git_two_modes "count-objects --verbose" && | |
5670ad98 JK |
107 | midx_git_two_modes "cat-file --batch-all-objects --batch-check" && |
108 | midx_git_two_modes "cat-file --batch-all-objects --batch-check --unordered" sorted | |
c4d25228 DS |
109 | ' |
110 | } | |
111 | ||
2c381335 | 112 | test_expect_success 'write midx with one v2 pack' ' |
c4d25228 DS |
113 | git pack-objects --index-version=2,0x40 $objdir/pack/test <obj-list && |
114 | git multi-pack-index --object-dir=$objdir write && | |
115 | midx_read_expect 1 18 4 $objdir | |
2c381335 DS |
116 | ' |
117 | ||
c4d25228 DS |
118 | compare_results_with_midx "one v2 pack" |
119 | ||
fc789156 JK |
120 | test_expect_success 'corrupt idx not opened' ' |
121 | idx=$(test-tool read-midx $objdir | grep "\.idx\$") && | |
122 | mv $objdir/pack/$idx backup-$idx && | |
123 | test_when_finished "mv backup-\$idx \$objdir/pack/\$idx" && | |
124 | ||
125 | # This is the minimum size for a sha-1 based .idx; this lets | |
126 | # us pass perfunctory tests, but anything that actually opens and reads | |
127 | # the idx file will complain. | |
128 | test_copy_bytes 1064 <backup-$idx >$objdir/pack/$idx && | |
129 | ||
130 | git -c core.multiPackIndex=true rev-list --objects --all 2>err && | |
131 | test_must_be_empty err | |
132 | ' | |
133 | ||
2c381335 DS |
134 | test_expect_success 'add more objects' ' |
135 | for i in $(test_seq 6 10) | |
136 | do | |
137 | generate_objects $i | |
138 | done && | |
139 | commit_and_list_objects | |
140 | ' | |
141 | ||
142 | test_expect_success 'write midx with two packs' ' | |
c4d25228 DS |
143 | git pack-objects --index-version=1 $objdir/pack/test-2 <obj-list && |
144 | git multi-pack-index --object-dir=$objdir write && | |
145 | midx_read_expect 2 34 4 $objdir | |
2c381335 DS |
146 | ' |
147 | ||
c4d25228 DS |
148 | compare_results_with_midx "two packs" |
149 | ||
2c381335 DS |
150 | test_expect_success 'add more packs' ' |
151 | for j in $(test_seq 11 20) | |
152 | do | |
153 | generate_objects $j && | |
154 | commit_and_list_objects && | |
c4d25228 | 155 | git pack-objects --index-version=2 $objdir/pack/test-pack <obj-list |
2c381335 DS |
156 | done |
157 | ' | |
158 | ||
c4d25228 DS |
159 | compare_results_with_midx "mixed mode (two packs + extra)" |
160 | ||
2c381335 | 161 | test_expect_success 'write midx with twelve packs' ' |
c4d25228 DS |
162 | git multi-pack-index --object-dir=$objdir write && |
163 | midx_read_expect 12 74 4 $objdir | |
662148c4 DS |
164 | ' |
165 | ||
c4d25228 DS |
166 | compare_results_with_midx "twelve packs" |
167 | ||
56ee7ff1 DS |
168 | test_expect_success 'verify multi-pack-index success' ' |
169 | git multi-pack-index verify --object-dir=$objdir | |
170 | ' | |
171 | ||
53ad0407 DS |
172 | # usage: corrupt_midx_and_verify <pos> <data> <objdir> <string> |
173 | corrupt_midx_and_verify() { | |
174 | POS=$1 && | |
175 | DATA="${2:-\0}" && | |
176 | OBJDIR=$3 && | |
177 | GREPSTR="$4" && | |
66ec0390 DS |
178 | COMMAND="$5" && |
179 | if test -z "$COMMAND" | |
180 | then | |
181 | COMMAND="git multi-pack-index verify --object-dir=$OBJDIR" | |
182 | fi && | |
53ad0407 DS |
183 | FILE=$OBJDIR/pack/multi-pack-index && |
184 | chmod a+w $FILE && | |
185 | test_when_finished mv midx-backup $FILE && | |
186 | cp $FILE midx-backup && | |
187 | printf "$DATA" | dd of="$FILE" bs=1 seek="$POS" conv=notrunc && | |
66ec0390 | 188 | test_must_fail $COMMAND 2>test_err && |
53ad0407 DS |
189 | grep -v "^+" test_err >err && |
190 | test_i18ngrep "$GREPSTR" err | |
191 | } | |
192 | ||
193 | test_expect_success 'verify bad signature' ' | |
194 | corrupt_midx_and_verify 0 "\00" $objdir \ | |
195 | "multi-pack-index signature" | |
196 | ' | |
197 | ||
55c5648d | 198 | HASH_LEN=20 |
cc6af73c | 199 | NUM_OBJECTS=74 |
53ad0407 DS |
200 | MIDX_BYTE_VERSION=4 |
201 | MIDX_BYTE_OID_VERSION=5 | |
202 | MIDX_BYTE_CHUNK_COUNT=6 | |
d3f8e211 DS |
203 | MIDX_HEADER_SIZE=12 |
204 | MIDX_BYTE_CHUNK_ID=$MIDX_HEADER_SIZE | |
205 | MIDX_BYTE_CHUNK_OFFSET=$(($MIDX_HEADER_SIZE + 4)) | |
8e72a3c3 DS |
206 | MIDX_NUM_CHUNKS=5 |
207 | MIDX_CHUNK_LOOKUP_WIDTH=12 | |
208 | MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \ | |
209 | $MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH)) | |
210 | MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2)) | |
2f23d3f3 DS |
211 | MIDX_OFFSET_OID_FANOUT=$(($MIDX_OFFSET_PACKNAMES + 652)) |
212 | MIDX_OID_FANOUT_WIDTH=4 | |
213 | MIDX_BYTE_OID_FANOUT_ORDER=$((MIDX_OFFSET_OID_FANOUT + 250 * $MIDX_OID_FANOUT_WIDTH + 1)) | |
55c5648d DS |
214 | MIDX_OFFSET_OID_LOOKUP=$(($MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH)) |
215 | MIDX_BYTE_OID_LOOKUP=$(($MIDX_OFFSET_OID_LOOKUP + 16 * $HASH_LEN)) | |
cc6af73c DS |
216 | MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN)) |
217 | MIDX_OFFSET_WIDTH=8 | |
218 | MIDX_BYTE_PACK_INT_ID=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 2)) | |
219 | MIDX_BYTE_OFFSET=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 6)) | |
53ad0407 DS |
220 | |
221 | test_expect_success 'verify bad version' ' | |
222 | corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \ | |
223 | "multi-pack-index version" | |
224 | ' | |
225 | ||
226 | test_expect_success 'verify bad OID version' ' | |
227 | corrupt_midx_and_verify $MIDX_BYTE_OID_VERSION "\02" $objdir \ | |
228 | "hash version" | |
229 | ' | |
230 | ||
231 | test_expect_success 'verify truncated chunk count' ' | |
232 | corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\01" $objdir \ | |
233 | "missing required" | |
234 | ' | |
235 | ||
236 | test_expect_success 'verify extended chunk count' ' | |
237 | corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\07" $objdir \ | |
238 | "terminating multi-pack-index chunk id appears earlier than expected" | |
239 | ' | |
240 | ||
d3f8e211 DS |
241 | test_expect_success 'verify missing required chunk' ' |
242 | corrupt_midx_and_verify $MIDX_BYTE_CHUNK_ID "\01" $objdir \ | |
243 | "missing required" | |
244 | ' | |
245 | ||
246 | test_expect_success 'verify invalid chunk offset' ' | |
247 | corrupt_midx_and_verify $MIDX_BYTE_CHUNK_OFFSET "\01" $objdir \ | |
248 | "invalid chunk offset (too large)" | |
249 | ' | |
250 | ||
8e72a3c3 DS |
251 | test_expect_success 'verify packnames out of order' ' |
252 | corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "z" $objdir \ | |
253 | "pack names out of order" | |
254 | ' | |
255 | ||
d4bf1d88 DS |
256 | test_expect_success 'verify packnames out of order' ' |
257 | corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "a" $objdir \ | |
258 | "failed to load pack" | |
259 | ' | |
260 | ||
2f23d3f3 DS |
261 | test_expect_success 'verify oid fanout out of order' ' |
262 | corrupt_midx_and_verify $MIDX_BYTE_OID_FANOUT_ORDER "\01" $objdir \ | |
263 | "oid fanout out of order" | |
264 | ' | |
265 | ||
55c5648d DS |
266 | test_expect_success 'verify oid lookup out of order' ' |
267 | corrupt_midx_and_verify $MIDX_BYTE_OID_LOOKUP "\00" $objdir \ | |
268 | "oid lookup out of order" | |
269 | ' | |
270 | ||
cc6af73c DS |
271 | test_expect_success 'verify incorrect pack-int-id' ' |
272 | corrupt_midx_and_verify $MIDX_BYTE_PACK_INT_ID "\07" $objdir \ | |
273 | "bad pack-int-id" | |
274 | ' | |
275 | ||
276 | test_expect_success 'verify incorrect offset' ' | |
277 | corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\07" $objdir \ | |
278 | "incorrect object offset" | |
279 | ' | |
280 | ||
66ec0390 DS |
281 | test_expect_success 'git-fsck incorrect offset' ' |
282 | corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\07" $objdir \ | |
283 | "incorrect object offset" \ | |
284 | "git -c core.multipackindex=true fsck" | |
285 | ' | |
286 | ||
525e18c0 DS |
287 | test_expect_success 'repack removes multi-pack-index' ' |
288 | test_path_is_file $objdir/pack/multi-pack-index && | |
0465a505 | 289 | GIT_TEST_MULTI_PACK_INDEX=0 git repack -adf && |
525e18c0 DS |
290 | test_path_is_missing $objdir/pack/multi-pack-index |
291 | ' | |
292 | ||
293 | compare_results_with_midx "after repack" | |
294 | ||
e9ab2ed7 DS |
295 | test_expect_success 'multi-pack-index and pack-bitmap' ' |
296 | git -c repack.writeBitmaps=true repack -ad && | |
297 | git multi-pack-index write && | |
298 | git rev-list --test-bitmap HEAD | |
299 | ' | |
300 | ||
29e2016b DS |
301 | test_expect_success 'multi-pack-index and alternates' ' |
302 | git init --bare alt.git && | |
303 | echo $(pwd)/alt.git/objects >.git/objects/info/alternates && | |
304 | echo content1 >file1 && | |
305 | altblob=$(GIT_DIR=alt.git git hash-object -w file1) && | |
306 | git cat-file blob $altblob && | |
307 | git rev-list --all | |
308 | ' | |
309 | ||
310 | compare_results_with_midx "with alternate (local midx)" | |
311 | ||
312 | test_expect_success 'multi-pack-index in an alternate' ' | |
6a22d521 DS |
313 | mv .git/objects/pack/* alt.git/objects/pack && |
314 | test_commit add_local_objects && | |
315 | git repack --local && | |
316 | git multi-pack-index write && | |
317 | midx_read_expect 1 3 4 $objdir && | |
318 | git reset --hard HEAD~1 && | |
319 | rm -f .git/objects/pack/* | |
29e2016b DS |
320 | ' |
321 | ||
322 | compare_results_with_midx "with alternate (remote midx)" | |
323 | ||
662148c4 DS |
324 | # usage: corrupt_data <file> <pos> [<data>] |
325 | corrupt_data () { | |
326 | file=$1 | |
327 | pos=$2 | |
328 | data="${3:-\0}" | |
329 | printf "$data" | dd of="$file" bs=1 seek="$pos" conv=notrunc | |
330 | } | |
331 | ||
332 | # Force 64-bit offsets by manipulating the idx file. | |
333 | # This makes the IDX file _incorrect_ so be careful to clean up after! | |
334 | test_expect_success 'force some 64-bit offsets with pack-objects' ' | |
335 | mkdir objects64 && | |
336 | mkdir objects64/pack && | |
337 | for i in $(test_seq 1 11) | |
338 | do | |
339 | generate_objects 11 | |
340 | done && | |
341 | commit_and_list_objects && | |
342 | pack64=$(git pack-objects --index-version=2,0x40 objects64/pack/test-64 <obj-list) && | |
343 | idx64=objects64/pack/test-64-$pack64.idx && | |
344 | chmod u+w $idx64 && | |
345 | corrupt_data $idx64 2999 "\02" && | |
346 | midx64=$(git multi-pack-index --object-dir=objects64 write) && | |
347 | midx_read_expect 1 63 5 objects64 " large-offsets" | |
2c381335 DS |
348 | ' |
349 | ||
56ee7ff1 DS |
350 | test_expect_success 'verify multi-pack-index with 64-bit offsets' ' |
351 | git multi-pack-index verify --object-dir=objects64 | |
352 | ' | |
353 | ||
cc6af73c DS |
354 | NUM_OBJECTS=63 |
355 | MIDX_OFFSET_OID_FANOUT=$((MIDX_OFFSET_PACKNAMES + 54)) | |
356 | MIDX_OFFSET_OID_LOOKUP=$((MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH)) | |
357 | MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN)) | |
358 | MIDX_OFFSET_LARGE_OFFSETS=$(($MIDX_OFFSET_OBJECT_OFFSETS + $NUM_OBJECTS * $MIDX_OFFSET_WIDTH)) | |
359 | MIDX_BYTE_LARGE_OFFSET=$(($MIDX_OFFSET_LARGE_OFFSETS + 3)) | |
360 | ||
361 | test_expect_success 'verify incorrect 64-bit offset' ' | |
362 | corrupt_midx_and_verify $MIDX_BYTE_LARGE_OFFSET "\07" objects64 \ | |
363 | "incorrect object offset" | |
364 | ' | |
365 | ||
a3407730 | 366 | test_done |