multi-pack-index: report progress during 'verify'
[git/git.git] / t / t5319-multi-pack-index.sh
1 #!/bin/sh
2
3 test_description='multi-pack-indexes'
4 . ./test-lib.sh
5
6 objdir=.git/objects
7
8 midx_read_expect () {
9 NUM_PACKS=$1
10 NUM_OBJECTS=$2
11 NUM_CHUNKS=$3
12 OBJECT_DIR=$4
13 EXTRA_CHUNKS="$5"
14 {
15 cat <<-EOF &&
16 header: 4d494458 1 $NUM_CHUNKS $NUM_PACKS
17 chunks: pack-names oid-fanout oid-lookup object-offsets$EXTRA_CHUNKS
18 num_objects: $NUM_OBJECTS
19 packs:
20 EOF
21 if test $NUM_PACKS -ge 1
22 then
23 ls $OBJECT_DIR/pack/ | grep idx | sort
24 fi &&
25 printf "object-dir: $OBJECT_DIR\n"
26 } >expect &&
27 test-tool read-midx $OBJECT_DIR >actual &&
28 test_cmp expect actual
29 }
30
31 test_expect_success 'write midx with no packs' '
32 test_when_finished rm -f pack/multi-pack-index &&
33 git multi-pack-index --object-dir=. write &&
34 midx_read_expect 0 0 4 .
35 '
36
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 $i
76 done &&
77 commit_and_list_objects
78 '
79
80 test_expect_success 'write midx with one v1 pack' '
81 pack=$(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
86 '
87
88 midx_git_two_modes () {
89 if [ "$2" = "sorted" ]
90 then
91 git -c core.multiPackIndex=false $1 | sort >expect &&
92 git -c core.multiPackIndex=true $1 | sort >actual
93 else
94 git -c core.multiPackIndex=false $1 >expect &&
95 git -c core.multiPackIndex=true $1 >actual
96 fi &&
97 test_cmp expect actual
98 }
99
100 compare_results_with_midx () {
101 MSG=$1
102 test_expect_success "check normal git operations: $MSG" '
103 midx_git_two_modes "rev-list --objects --all" &&
104 midx_git_two_modes "log --raw" &&
105 midx_git_two_modes "count-objects --verbose" &&
106 midx_git_two_modes "cat-file --batch-all-objects --buffer --batch-check" &&
107 midx_git_two_modes "cat-file --batch-all-objects --buffer --batch-check --unsorted" sorted
108 '
109 }
110
111 test_expect_success 'write midx with one v2 pack' '
112 git pack-objects --index-version=2,0x40 $objdir/pack/test <obj-list &&
113 git multi-pack-index --object-dir=$objdir write &&
114 midx_read_expect 1 18 4 $objdir
115 '
116
117 compare_results_with_midx "one v2 pack"
118
119 test_expect_success 'add more objects' '
120 for i in $(test_seq 6 10)
121 do
122 generate_objects $i
123 done &&
124 commit_and_list_objects
125 '
126
127 test_expect_success 'write midx with two packs' '
128 git pack-objects --index-version=1 $objdir/pack/test-2 <obj-list &&
129 git multi-pack-index --object-dir=$objdir write &&
130 midx_read_expect 2 34 4 $objdir
131 '
132
133 compare_results_with_midx "two packs"
134
135 test_expect_success 'add more packs' '
136 for j in $(test_seq 11 20)
137 do
138 generate_objects $j &&
139 commit_and_list_objects &&
140 git pack-objects --index-version=2 $objdir/pack/test-pack <obj-list
141 done
142 '
143
144 compare_results_with_midx "mixed mode (two packs + extra)"
145
146 test_expect_success 'write midx with twelve packs' '
147 git multi-pack-index --object-dir=$objdir write &&
148 midx_read_expect 12 74 4 $objdir
149 '
150
151 compare_results_with_midx "twelve packs"
152
153 test_expect_success 'verify multi-pack-index success' '
154 git multi-pack-index verify --object-dir=$objdir
155 '
156
157 # usage: corrupt_midx_and_verify <pos> <data> <objdir> <string>
158 corrupt_midx_and_verify() {
159 POS=$1 &&
160 DATA="${2:-\0}" &&
161 OBJDIR=$3 &&
162 GREPSTR="$4" &&
163 FILE=$OBJDIR/pack/multi-pack-index &&
164 chmod a+w $FILE &&
165 test_when_finished mv midx-backup $FILE &&
166 cp $FILE midx-backup &&
167 printf "$DATA" | dd of="$FILE" bs=1 seek="$POS" conv=notrunc &&
168 test_must_fail git multi-pack-index verify --object-dir=$OBJDIR 2>test_err &&
169 grep -v "^+" test_err >err &&
170 test_i18ngrep "$GREPSTR" err
171 }
172
173 test_expect_success 'verify bad signature' '
174 corrupt_midx_and_verify 0 "\00" $objdir \
175 "multi-pack-index signature"
176 '
177
178 HASH_LEN=20
179 NUM_OBJECTS=74
180 MIDX_BYTE_VERSION=4
181 MIDX_BYTE_OID_VERSION=5
182 MIDX_BYTE_CHUNK_COUNT=6
183 MIDX_HEADER_SIZE=12
184 MIDX_BYTE_CHUNK_ID=$MIDX_HEADER_SIZE
185 MIDX_BYTE_CHUNK_OFFSET=$(($MIDX_HEADER_SIZE + 4))
186 MIDX_NUM_CHUNKS=5
187 MIDX_CHUNK_LOOKUP_WIDTH=12
188 MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \
189 $MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH))
190 MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2))
191 MIDX_OFFSET_OID_FANOUT=$(($MIDX_OFFSET_PACKNAMES + 652))
192 MIDX_OID_FANOUT_WIDTH=4
193 MIDX_BYTE_OID_FANOUT_ORDER=$((MIDX_OFFSET_OID_FANOUT + 250 * $MIDX_OID_FANOUT_WIDTH + 1))
194 MIDX_OFFSET_OID_LOOKUP=$(($MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH))
195 MIDX_BYTE_OID_LOOKUP=$(($MIDX_OFFSET_OID_LOOKUP + 16 * $HASH_LEN))
196 MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN))
197 MIDX_OFFSET_WIDTH=8
198 MIDX_BYTE_PACK_INT_ID=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 2))
199 MIDX_BYTE_OFFSET=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 6))
200
201 test_expect_success 'verify bad version' '
202 corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \
203 "multi-pack-index version"
204 '
205
206 test_expect_success 'verify bad OID version' '
207 corrupt_midx_and_verify $MIDX_BYTE_OID_VERSION "\02" $objdir \
208 "hash version"
209 '
210
211 test_expect_success 'verify truncated chunk count' '
212 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\01" $objdir \
213 "missing required"
214 '
215
216 test_expect_success 'verify extended chunk count' '
217 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\07" $objdir \
218 "terminating multi-pack-index chunk id appears earlier than expected"
219 '
220
221 test_expect_success 'verify missing required chunk' '
222 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_ID "\01" $objdir \
223 "missing required"
224 '
225
226 test_expect_success 'verify invalid chunk offset' '
227 corrupt_midx_and_verify $MIDX_BYTE_CHUNK_OFFSET "\01" $objdir \
228 "invalid chunk offset (too large)"
229 '
230
231 test_expect_success 'verify packnames out of order' '
232 corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "z" $objdir \
233 "pack names out of order"
234 '
235
236 test_expect_success 'verify packnames out of order' '
237 corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "a" $objdir \
238 "failed to load pack"
239 '
240
241 test_expect_success 'verify oid fanout out of order' '
242 corrupt_midx_and_verify $MIDX_BYTE_OID_FANOUT_ORDER "\01" $objdir \
243 "oid fanout out of order"
244 '
245
246 test_expect_success 'verify oid lookup out of order' '
247 corrupt_midx_and_verify $MIDX_BYTE_OID_LOOKUP "\00" $objdir \
248 "oid lookup out of order"
249 '
250
251 test_expect_success 'verify incorrect pack-int-id' '
252 corrupt_midx_and_verify $MIDX_BYTE_PACK_INT_ID "\07" $objdir \
253 "bad pack-int-id"
254 '
255
256 test_expect_success 'verify incorrect offset' '
257 corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\07" $objdir \
258 "incorrect object offset"
259 '
260
261 test_expect_success 'repack removes multi-pack-index' '
262 test_path_is_file $objdir/pack/multi-pack-index &&
263 git repack -adf &&
264 test_path_is_missing $objdir/pack/multi-pack-index
265 '
266
267 compare_results_with_midx "after repack"
268
269 test_expect_success 'multi-pack-index and pack-bitmap' '
270 git -c repack.writeBitmaps=true repack -ad &&
271 git multi-pack-index write &&
272 git rev-list --test-bitmap HEAD
273 '
274
275 test_expect_success 'multi-pack-index and alternates' '
276 git init --bare alt.git &&
277 echo $(pwd)/alt.git/objects >.git/objects/info/alternates &&
278 echo content1 >file1 &&
279 altblob=$(GIT_DIR=alt.git git hash-object -w file1) &&
280 git cat-file blob $altblob &&
281 git rev-list --all
282 '
283
284 compare_results_with_midx "with alternate (local midx)"
285
286 test_expect_success 'multi-pack-index in an alternate' '
287 mv .git/objects/pack/* alt.git/objects/pack &&
288 test_commit add_local_objects &&
289 git repack --local &&
290 git multi-pack-index write &&
291 midx_read_expect 1 3 4 $objdir &&
292 git reset --hard HEAD~1 &&
293 rm -f .git/objects/pack/*
294 '
295
296 compare_results_with_midx "with alternate (remote midx)"
297
298 # usage: corrupt_data <file> <pos> [<data>]
299 corrupt_data () {
300 file=$1
301 pos=$2
302 data="${3:-\0}"
303 printf "$data" | dd of="$file" bs=1 seek="$pos" conv=notrunc
304 }
305
306 # Force 64-bit offsets by manipulating the idx file.
307 # This makes the IDX file _incorrect_ so be careful to clean up after!
308 test_expect_success 'force some 64-bit offsets with pack-objects' '
309 mkdir objects64 &&
310 mkdir objects64/pack &&
311 for i in $(test_seq 1 11)
312 do
313 generate_objects 11
314 done &&
315 commit_and_list_objects &&
316 pack64=$(git pack-objects --index-version=2,0x40 objects64/pack/test-64 <obj-list) &&
317 idx64=objects64/pack/test-64-$pack64.idx &&
318 chmod u+w $idx64 &&
319 corrupt_data $idx64 2999 "\02" &&
320 midx64=$(git multi-pack-index --object-dir=objects64 write) &&
321 midx_read_expect 1 63 5 objects64 " large-offsets"
322 '
323
324 test_expect_success 'verify multi-pack-index with 64-bit offsets' '
325 git multi-pack-index verify --object-dir=objects64
326 '
327
328 NUM_OBJECTS=63
329 MIDX_OFFSET_OID_FANOUT=$((MIDX_OFFSET_PACKNAMES + 54))
330 MIDX_OFFSET_OID_LOOKUP=$((MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH))
331 MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN))
332 MIDX_OFFSET_LARGE_OFFSETS=$(($MIDX_OFFSET_OBJECT_OFFSETS + $NUM_OBJECTS * $MIDX_OFFSET_WIDTH))
333 MIDX_BYTE_LARGE_OFFSET=$(($MIDX_OFFSET_LARGE_OFFSETS + 3))
334
335 test_expect_success 'verify incorrect 64-bit offset' '
336 corrupt_midx_and_verify $MIDX_BYTE_LARGE_OFFSET "\07" objects64 \
337 "incorrect object offset"
338 '
339
340 test_done