]>
Commit | Line | Data |
---|---|---|
f237c8b6 DS |
1 | #!/bin/sh |
2 | ||
3 | test_description='commit graph' | |
4 | . ./test-lib.sh | |
5 | ||
6 | test_expect_success 'setup full repo' ' | |
7 | mkdir full && | |
8 | cd "$TRASH_DIRECTORY/full" && | |
9 | git init && | |
177722b3 | 10 | git config core.commitGraph true && |
ae0c89d4 DS |
11 | objdir=".git/objects" && |
12 | test_oid_init | |
f237c8b6 DS |
13 | ' |
14 | ||
283e68c7 DS |
15 | test_expect_success 'verify graph with no graph file' ' |
16 | cd "$TRASH_DIRECTORY/full" && | |
17 | git commit-graph verify | |
18 | ' | |
19 | ||
f237c8b6 DS |
20 | test_expect_success 'write graph with no packs' ' |
21 | cd "$TRASH_DIRECTORY/full" && | |
22 | git commit-graph write --object-dir . && | |
6c622f9f | 23 | test_path_is_missing info/commit-graph |
f237c8b6 DS |
24 | ' |
25 | ||
7c5c9b9c | 26 | test_expect_success 'exit with correct error on bad input to --stdin-packs' ' |
e103f727 DS |
27 | cd "$TRASH_DIRECTORY/full" && |
28 | echo doesnotexist >in && | |
9916073b | 29 | test_expect_code 1 git commit-graph write --stdin-packs <in 2>stderr && |
e103f727 DS |
30 | test_i18ngrep "error adding pack" stderr |
31 | ' | |
32 | ||
f237c8b6 DS |
33 | test_expect_success 'create commits and repack' ' |
34 | cd "$TRASH_DIRECTORY/full" && | |
35 | for i in $(test_seq 3) | |
36 | do | |
37 | test_commit $i && | |
38 | git branch commits/$i | |
39 | done && | |
40 | git repack | |
41 | ' | |
42 | ||
7c5c9b9c SG |
43 | test_expect_success 'exit with correct error on bad input to --stdin-commits' ' |
44 | cd "$TRASH_DIRECTORY/full" && | |
45 | echo HEAD | test_expect_code 1 git commit-graph write --stdin-commits 2>stderr && | |
46 | test_i18ngrep "invalid commit object id" stderr && | |
47 | # valid tree OID, but not a commit OID | |
48 | git rev-parse HEAD^{tree} | test_expect_code 1 git commit-graph write --stdin-commits 2>stderr && | |
49 | test_i18ngrep "invalid commit object id" stderr | |
50 | ' | |
51 | ||
177722b3 | 52 | graph_git_two_modes() { |
55abcb41 DS |
53 | git -c core.commitGraph=true $1 >output |
54 | git -c core.commitGraph=false $1 >expect | |
dcbaa0b3 | 55 | test_cmp expect output |
177722b3 DS |
56 | } |
57 | ||
58 | graph_git_behavior() { | |
59 | MSG=$1 | |
60 | DIR=$2 | |
61 | BRANCH=$3 | |
62 | COMPARE=$4 | |
63 | test_expect_success "check normal git operations: $MSG" ' | |
64 | cd "$TRASH_DIRECTORY/$DIR" && | |
65 | graph_git_two_modes "log --oneline $BRANCH" && | |
66 | graph_git_two_modes "log --topo-order $BRANCH" && | |
67 | graph_git_two_modes "log --graph $COMPARE..$BRANCH" && | |
68 | graph_git_two_modes "branch -vv" && | |
69 | graph_git_two_modes "merge-base -a $BRANCH $COMPARE" | |
70 | ' | |
71 | } | |
72 | ||
73 | graph_git_behavior 'no graph' full commits/3 commits/1 | |
74 | ||
2a2e32bd DS |
75 | graph_read_expect() { |
76 | OPTIONAL="" | |
77 | NUM_CHUNKS=3 | |
78 | if test ! -z $2 | |
79 | then | |
80 | OPTIONAL=" $2" | |
81 | NUM_CHUNKS=$((3 + $(echo "$2" | wc -w))) | |
82 | fi | |
83 | cat >expect <<- EOF | |
84 | header: 43475048 1 1 $NUM_CHUNKS 0 | |
85 | num_commits: $1 | |
86 | chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL | |
87 | EOF | |
88 | git commit-graph read >output && | |
89 | test_cmp expect output | |
90 | } | |
91 | ||
f237c8b6 DS |
92 | test_expect_success 'write graph' ' |
93 | cd "$TRASH_DIRECTORY/full" && | |
0b918b75 | 94 | git commit-graph write && |
2a2e32bd DS |
95 | test_path_is_file $objdir/info/commit-graph && |
96 | graph_read_expect "3" | |
f237c8b6 DS |
97 | ' |
98 | ||
177722b3 DS |
99 | graph_git_behavior 'graph exists' full commits/3 commits/1 |
100 | ||
f237c8b6 DS |
101 | test_expect_success 'Add more commits' ' |
102 | cd "$TRASH_DIRECTORY/full" && | |
103 | git reset --hard commits/1 && | |
104 | for i in $(test_seq 4 5) | |
105 | do | |
106 | test_commit $i && | |
107 | git branch commits/$i | |
108 | done && | |
109 | git reset --hard commits/2 && | |
110 | for i in $(test_seq 6 7) | |
111 | do | |
112 | test_commit $i && | |
113 | git branch commits/$i | |
114 | done && | |
115 | git reset --hard commits/2 && | |
116 | git merge commits/4 && | |
117 | git branch merge/1 && | |
118 | git reset --hard commits/4 && | |
119 | git merge commits/6 && | |
120 | git branch merge/2 && | |
121 | git reset --hard commits/3 && | |
122 | git merge commits/5 commits/7 && | |
123 | git branch merge/3 && | |
124 | git repack | |
125 | ' | |
126 | ||
73716122 GS |
127 | test_expect_success 'commit-graph write progress off for redirected stderr' ' |
128 | cd "$TRASH_DIRECTORY/full" && | |
129 | git commit-graph write 2>err && | |
130 | test_line_count = 0 err | |
131 | ' | |
132 | ||
133 | test_expect_success 'commit-graph write force progress on for stderr' ' | |
134 | cd "$TRASH_DIRECTORY/full" && | |
135 | git commit-graph write --progress 2>err && | |
136 | test_file_not_empty err | |
137 | ' | |
138 | ||
139 | test_expect_success 'commit-graph write with the --no-progress option' ' | |
140 | cd "$TRASH_DIRECTORY/full" && | |
141 | git commit-graph write --no-progress 2>err && | |
142 | test_line_count = 0 err | |
143 | ' | |
144 | ||
145 | test_expect_success 'commit-graph verify progress off for redirected stderr' ' | |
146 | cd "$TRASH_DIRECTORY/full" && | |
147 | git commit-graph verify 2>err && | |
148 | test_line_count = 0 err | |
149 | ' | |
150 | ||
151 | test_expect_success 'commit-graph verify force progress on for stderr' ' | |
152 | cd "$TRASH_DIRECTORY/full" && | |
153 | git commit-graph verify --progress 2>err && | |
154 | test_file_not_empty err | |
155 | ' | |
156 | ||
157 | test_expect_success 'commit-graph verify with the --no-progress option' ' | |
158 | cd "$TRASH_DIRECTORY/full" && | |
159 | git commit-graph verify --no-progress 2>err && | |
160 | test_line_count = 0 err | |
161 | ' | |
162 | ||
f237c8b6 DS |
163 | # Current graph structure: |
164 | # | |
165 | # __M3___ | |
166 | # / | \ | |
167 | # 3 M1 5 M2 7 | |
168 | # |/ \|/ \| | |
169 | # 2 4 6 | |
170 | # |___/____/ | |
171 | # 1 | |
172 | ||
f237c8b6 DS |
173 | test_expect_success 'write graph with merges' ' |
174 | cd "$TRASH_DIRECTORY/full" && | |
175 | git commit-graph write && | |
2a2e32bd | 176 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 177 | graph_read_expect "10" "extra_edges" |
f237c8b6 DS |
178 | ' |
179 | ||
177722b3 DS |
180 | graph_git_behavior 'merge 1 vs 2' full merge/1 merge/2 |
181 | graph_git_behavior 'merge 1 vs 3' full merge/1 merge/3 | |
182 | graph_git_behavior 'merge 2 vs 3' full merge/2 merge/3 | |
183 | ||
f237c8b6 DS |
184 | test_expect_success 'Add one more commit' ' |
185 | cd "$TRASH_DIRECTORY/full" && | |
186 | test_commit 8 && | |
187 | git branch commits/8 && | |
188 | ls $objdir/pack | grep idx >existing-idx && | |
189 | git repack && | |
4a3ed638 | 190 | ls $objdir/pack| grep idx | grep -v -f existing-idx >new-idx |
f237c8b6 DS |
191 | ' |
192 | ||
193 | # Current graph structure: | |
194 | # | |
195 | # 8 | |
196 | # | | |
197 | # __M3___ | |
198 | # / | \ | |
199 | # 3 M1 5 M2 7 | |
200 | # |/ \|/ \| | |
201 | # 2 4 6 | |
202 | # |___/____/ | |
203 | # 1 | |
204 | ||
177722b3 DS |
205 | graph_git_behavior 'mixed mode, commit 8 vs merge 1' full commits/8 merge/1 |
206 | graph_git_behavior 'mixed mode, commit 8 vs merge 2' full commits/8 merge/2 | |
207 | ||
f237c8b6 DS |
208 | test_expect_success 'write graph with new commit' ' |
209 | cd "$TRASH_DIRECTORY/full" && | |
210 | git commit-graph write && | |
2a2e32bd | 211 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 212 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
213 | ' |
214 | ||
177722b3 DS |
215 | graph_git_behavior 'full graph, commit 8 vs merge 1' full commits/8 merge/1 |
216 | graph_git_behavior 'full graph, commit 8 vs merge 2' full commits/8 merge/2 | |
217 | ||
f237c8b6 DS |
218 | test_expect_success 'write graph with nothing new' ' |
219 | cd "$TRASH_DIRECTORY/full" && | |
220 | git commit-graph write && | |
2a2e32bd | 221 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 222 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
223 | ' |
224 | ||
177722b3 DS |
225 | graph_git_behavior 'cleared graph, commit 8 vs merge 1' full commits/8 merge/1 |
226 | graph_git_behavior 'cleared graph, commit 8 vs merge 2' full commits/8 merge/2 | |
227 | ||
049d51a2 DS |
228 | test_expect_success 'build graph from latest pack with closure' ' |
229 | cd "$TRASH_DIRECTORY/full" && | |
230 | cat new-idx | git commit-graph write --stdin-packs && | |
231 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 232 | graph_read_expect "9" "extra_edges" |
049d51a2 DS |
233 | ' |
234 | ||
235 | graph_git_behavior 'graph from pack, commit 8 vs merge 1' full commits/8 merge/1 | |
236 | graph_git_behavior 'graph from pack, commit 8 vs merge 2' full commits/8 merge/2 | |
237 | ||
3d5df01b DS |
238 | test_expect_success 'build graph from commits with closure' ' |
239 | cd "$TRASH_DIRECTORY/full" && | |
240 | git tag -a -m "merge" tag/merge merge/2 && | |
241 | git rev-parse tag/merge >commits-in && | |
242 | git rev-parse merge/1 >>commits-in && | |
243 | cat commits-in | git commit-graph write --stdin-commits && | |
244 | test_path_is_file $objdir/info/commit-graph && | |
245 | graph_read_expect "6" | |
246 | ' | |
247 | ||
248 | graph_git_behavior 'graph from commits, commit 8 vs merge 1' full commits/8 merge/1 | |
249 | graph_git_behavior 'graph from commits, commit 8 vs merge 2' full commits/8 merge/2 | |
250 | ||
7547b95b DS |
251 | test_expect_success 'build graph from commits with append' ' |
252 | cd "$TRASH_DIRECTORY/full" && | |
253 | git rev-parse merge/3 | git commit-graph write --stdin-commits --append && | |
254 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 255 | graph_read_expect "10" "extra_edges" |
7547b95b DS |
256 | ' |
257 | ||
258 | graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 | |
259 | graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2 | |
260 | ||
59fb8770 DS |
261 | test_expect_success 'build graph using --reachable' ' |
262 | cd "$TRASH_DIRECTORY/full" && | |
263 | git commit-graph write --reachable && | |
264 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 265 | graph_read_expect "11" "extra_edges" |
59fb8770 DS |
266 | ' |
267 | ||
268 | graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 | |
269 | graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2 | |
270 | ||
f237c8b6 DS |
271 | test_expect_success 'setup bare repo' ' |
272 | cd "$TRASH_DIRECTORY" && | |
273 | git clone --bare --no-local full bare && | |
274 | cd bare && | |
177722b3 | 275 | git config core.commitGraph true && |
f237c8b6 DS |
276 | baredir="./objects" |
277 | ' | |
278 | ||
177722b3 DS |
279 | graph_git_behavior 'bare repo, commit 8 vs merge 1' bare commits/8 merge/1 |
280 | graph_git_behavior 'bare repo, commit 8 vs merge 2' bare commits/8 merge/2 | |
281 | ||
f237c8b6 DS |
282 | test_expect_success 'write graph in bare repo' ' |
283 | cd "$TRASH_DIRECTORY/bare" && | |
284 | git commit-graph write && | |
2a2e32bd | 285 | test_path_is_file $baredir/info/commit-graph && |
5af7417b | 286 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
287 | ' |
288 | ||
177722b3 DS |
289 | graph_git_behavior 'bare repo with graph, commit 8 vs merge 1' bare commits/8 merge/1 |
290 | graph_git_behavior 'bare repo with graph, commit 8 vs merge 2' bare commits/8 merge/2 | |
291 | ||
7adf5266 DS |
292 | test_expect_success 'perform fast-forward merge in full repo' ' |
293 | cd "$TRASH_DIRECTORY/full" && | |
294 | git checkout -b merge-5-to-8 commits/5 && | |
295 | git merge commits/8 && | |
296 | git show-ref -s merge-5-to-8 >output && | |
297 | git show-ref -s commits/8 >expect && | |
298 | test_cmp expect output | |
299 | ' | |
300 | ||
d5d5d7b6 DS |
301 | test_expect_success 'check that gc computes commit-graph' ' |
302 | cd "$TRASH_DIRECTORY/full" && | |
303 | git commit --allow-empty -m "blank" && | |
304 | git commit-graph write --reachable && | |
305 | cp $objdir/info/commit-graph commit-graph-before-gc && | |
306 | git reset --hard HEAD~1 && | |
307 | git config gc.writeCommitGraph true && | |
308 | git gc && | |
309 | cp $objdir/info/commit-graph commit-graph-after-gc && | |
eb7cc5bc | 310 | ! test_cmp_bin commit-graph-before-gc commit-graph-after-gc && |
d5d5d7b6 | 311 | git commit-graph write --reachable && |
eb7cc5bc | 312 | test_cmp_bin commit-graph-after-gc $objdir/info/commit-graph |
d5d5d7b6 DS |
313 | ' |
314 | ||
d6538246 DS |
315 | test_expect_success 'replace-objects invalidates commit-graph' ' |
316 | cd "$TRASH_DIRECTORY" && | |
317 | test_when_finished rm -rf replace && | |
318 | git clone full replace && | |
319 | ( | |
320 | cd replace && | |
321 | git commit-graph write --reachable && | |
322 | test_path_is_file .git/objects/info/commit-graph && | |
323 | git replace HEAD~1 HEAD~2 && | |
324 | git -c core.commitGraph=false log >expect && | |
325 | git -c core.commitGraph=true log >actual && | |
326 | test_cmp expect actual && | |
327 | git commit-graph write --reachable && | |
328 | git -c core.commitGraph=false --no-replace-objects log >expect && | |
329 | git -c core.commitGraph=true --no-replace-objects log >actual && | |
330 | test_cmp expect actual && | |
331 | rm -rf .git/objects/info/commit-graph && | |
332 | git commit-graph write --reachable && | |
333 | test_path_is_file .git/objects/info/commit-graph | |
334 | ) | |
335 | ' | |
336 | ||
20fd6d57 DS |
337 | test_expect_success 'commit grafts invalidate commit-graph' ' |
338 | cd "$TRASH_DIRECTORY" && | |
339 | test_when_finished rm -rf graft && | |
340 | git clone full graft && | |
341 | ( | |
342 | cd graft && | |
343 | git commit-graph write --reachable && | |
344 | test_path_is_file .git/objects/info/commit-graph && | |
345 | H1=$(git rev-parse --verify HEAD~1) && | |
346 | H3=$(git rev-parse --verify HEAD~3) && | |
347 | echo "$H1 $H3" >.git/info/grafts && | |
348 | git -c core.commitGraph=false log >expect && | |
349 | git -c core.commitGraph=true log >actual && | |
350 | test_cmp expect actual && | |
351 | git commit-graph write --reachable && | |
352 | git -c core.commitGraph=false --no-replace-objects log >expect && | |
353 | git -c core.commitGraph=true --no-replace-objects log >actual && | |
354 | test_cmp expect actual && | |
355 | rm -rf .git/objects/info/commit-graph && | |
356 | git commit-graph write --reachable && | |
357 | test_path_is_missing .git/objects/info/commit-graph | |
358 | ) | |
359 | ' | |
360 | ||
361 | test_expect_success 'replace-objects invalidates commit-graph' ' | |
362 | cd "$TRASH_DIRECTORY" && | |
363 | test_when_finished rm -rf shallow && | |
364 | git clone --depth 2 "file://$TRASH_DIRECTORY/full" shallow && | |
365 | ( | |
366 | cd shallow && | |
367 | git commit-graph write --reachable && | |
368 | test_path_is_missing .git/objects/info/commit-graph && | |
369 | git fetch origin --unshallow && | |
370 | git commit-graph write --reachable && | |
371 | test_path_is_file .git/objects/info/commit-graph | |
372 | ) | |
373 | ' | |
374 | ||
d9b9f8a6 DS |
375 | # the verify tests below expect the commit-graph to contain |
376 | # exactly the commits reachable from the commits/8 branch. | |
377 | # If the file changes the set of commits in the list, then the | |
378 | # offsets into the binary file will result in different edits | |
379 | # and the tests will likely break. | |
380 | ||
283e68c7 DS |
381 | test_expect_success 'git commit-graph verify' ' |
382 | cd "$TRASH_DIRECTORY/full" && | |
d9b9f8a6 | 383 | git rev-parse commits/8 | git commit-graph write --stdin-commits && |
283e68c7 DS |
384 | git commit-graph verify >output |
385 | ' | |
386 | ||
96af91d4 | 387 | NUM_COMMITS=9 |
437787ae | 388 | NUM_OCTOPUS_EDGES=2 |
ae0c89d4 | 389 | HASH_LEN="$(test_oid rawsz)" |
d9b9f8a6 DS |
390 | GRAPH_BYTE_VERSION=4 |
391 | GRAPH_BYTE_HASH=5 | |
2bd0365f DS |
392 | GRAPH_BYTE_CHUNK_COUNT=6 |
393 | GRAPH_CHUNK_LOOKUP_OFFSET=8 | |
394 | GRAPH_CHUNK_LOOKUP_WIDTH=12 | |
395 | GRAPH_CHUNK_LOOKUP_ROWS=5 | |
396 | GRAPH_BYTE_OID_FANOUT_ID=$GRAPH_CHUNK_LOOKUP_OFFSET | |
397 | GRAPH_BYTE_OID_LOOKUP_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ | |
398 | 1 * $GRAPH_CHUNK_LOOKUP_WIDTH)) | |
399 | GRAPH_BYTE_COMMIT_DATA_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ | |
400 | 2 * $GRAPH_CHUNK_LOOKUP_WIDTH)) | |
9bda8467 DS |
401 | GRAPH_FANOUT_OFFSET=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ |
402 | $GRAPH_CHUNK_LOOKUP_WIDTH * $GRAPH_CHUNK_LOOKUP_ROWS)) | |
403 | GRAPH_BYTE_FANOUT1=$(($GRAPH_FANOUT_OFFSET + 4 * 4)) | |
404 | GRAPH_BYTE_FANOUT2=$(($GRAPH_FANOUT_OFFSET + 4 * 255)) | |
405 | GRAPH_OID_LOOKUP_OFFSET=$(($GRAPH_FANOUT_OFFSET + 4 * 256)) | |
406 | GRAPH_BYTE_OID_LOOKUP_ORDER=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 8)) | |
96af91d4 | 407 | GRAPH_BYTE_OID_LOOKUP_MISSING=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 4 + 10)) |
2e3c0737 DS |
408 | GRAPH_COMMIT_DATA_OFFSET=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * $NUM_COMMITS)) |
409 | GRAPH_BYTE_COMMIT_TREE=$GRAPH_COMMIT_DATA_OFFSET | |
53614b13 DS |
410 | GRAPH_BYTE_COMMIT_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN)) |
411 | GRAPH_BYTE_COMMIT_EXTRA_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 4)) | |
412 | GRAPH_BYTE_COMMIT_WRONG_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 3)) | |
1373e547 | 413 | GRAPH_BYTE_COMMIT_GENERATION=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 11)) |
88968ebf | 414 | GRAPH_BYTE_COMMIT_DATE=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 12)) |
437787ae DS |
415 | GRAPH_COMMIT_DATA_WIDTH=$(($HASH_LEN + 16)) |
416 | GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \ | |
417 | $GRAPH_COMMIT_DATA_WIDTH * $NUM_COMMITS)) | |
418 | GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4)) | |
41df0e30 | 419 | GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES)) |
d9b9f8a6 | 420 | |
f6761faa ÆAB |
421 | corrupt_graph_setup() { |
422 | cd "$TRASH_DIRECTORY/full" && | |
423 | test_when_finished mv commit-graph-backup $objdir/info/commit-graph && | |
424 | cp $objdir/info/commit-graph commit-graph-backup | |
425 | } | |
426 | ||
427 | corrupt_graph_verify() { | |
428 | grepstr=$1 | |
429 | test_must_fail git commit-graph verify 2>test_err && | |
430 | grep -v "^+" test_err >err && | |
2ac138d5 | 431 | test_i18ngrep "$grepstr" err && |
43d35618 ÆAB |
432 | if test "$2" != "no-copy" |
433 | then | |
434 | cp $objdir/info/commit-graph commit-graph-pre-write-test | |
435 | fi && | |
436 | git status --short && | |
437 | GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD=true git commit-graph write && | |
438 | git commit-graph verify | |
f6761faa ÆAB |
439 | } |
440 | ||
d2b86fba | 441 | # usage: corrupt_graph_and_verify <position> <data> <string> [<zero_pos>] |
d9b9f8a6 | 442 | # Manipulates the commit-graph file at the position |
d2b86fba JS |
443 | # by inserting the data, optionally zeroing the file |
444 | # starting at <zero_pos>, then runs 'git commit-graph verify' | |
d9b9f8a6 DS |
445 | # and places the output in the file 'err'. Test 'err' for |
446 | # the given string. | |
447 | corrupt_graph_and_verify() { | |
448 | pos=$1 | |
449 | data="${2:-\0}" | |
450 | grepstr=$3 | |
f6761faa | 451 | corrupt_graph_setup && |
d2b86fba JS |
452 | orig_size=$(wc -c < $objdir/info/commit-graph) && |
453 | zero_pos=${4:-${orig_size}} && | |
d9b9f8a6 | 454 | printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc && |
b9cc4056 | 455 | dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" if=/dev/null && |
24b451e7 | 456 | generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" && |
f6761faa ÆAB |
457 | corrupt_graph_verify "$grepstr" |
458 | ||
d9b9f8a6 DS |
459 | } |
460 | ||
7b8ce9c6 ÆAB |
461 | test_expect_success POSIXPERM,SANITY 'detect permission problem' ' |
462 | corrupt_graph_setup && | |
463 | chmod 000 $objdir/info/commit-graph && | |
43d35618 | 464 | corrupt_graph_verify "Could not open" "no-copy" |
7b8ce9c6 ÆAB |
465 | ' |
466 | ||
945944ca ÆAB |
467 | test_expect_success 'detect too small' ' |
468 | corrupt_graph_setup && | |
469 | echo "a small graph" >$objdir/info/commit-graph && | |
470 | corrupt_graph_verify "too small" | |
471 | ' | |
472 | ||
d9b9f8a6 DS |
473 | test_expect_success 'detect bad signature' ' |
474 | corrupt_graph_and_verify 0 "\0" \ | |
475 | "graph signature" | |
476 | ' | |
477 | ||
478 | test_expect_success 'detect bad version' ' | |
479 | corrupt_graph_and_verify $GRAPH_BYTE_VERSION "\02" \ | |
480 | "graph version" | |
481 | ' | |
482 | ||
483 | test_expect_success 'detect bad hash version' ' | |
484 | corrupt_graph_and_verify $GRAPH_BYTE_HASH "\02" \ | |
485 | "hash version" | |
486 | ' | |
487 | ||
2bd0365f DS |
488 | test_expect_success 'detect low chunk count' ' |
489 | corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\02" \ | |
490 | "missing the .* chunk" | |
491 | ' | |
492 | ||
493 | test_expect_success 'detect missing OID fanout chunk' ' | |
494 | corrupt_graph_and_verify $GRAPH_BYTE_OID_FANOUT_ID "\0" \ | |
495 | "missing the OID Fanout chunk" | |
496 | ' | |
497 | ||
498 | test_expect_success 'detect missing OID lookup chunk' ' | |
499 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ID "\0" \ | |
500 | "missing the OID Lookup chunk" | |
501 | ' | |
502 | ||
503 | test_expect_success 'detect missing commit data chunk' ' | |
504 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATA_ID "\0" \ | |
505 | "missing the Commit Data chunk" | |
506 | ' | |
507 | ||
9bda8467 DS |
508 | test_expect_success 'detect incorrect fanout' ' |
509 | corrupt_graph_and_verify $GRAPH_BYTE_FANOUT1 "\01" \ | |
510 | "fanout value" | |
511 | ' | |
512 | ||
513 | test_expect_success 'detect incorrect fanout final value' ' | |
514 | corrupt_graph_and_verify $GRAPH_BYTE_FANOUT2 "\01" \ | |
515 | "fanout value" | |
516 | ' | |
517 | ||
518 | test_expect_success 'detect incorrect OID order' ' | |
519 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ORDER "\01" \ | |
520 | "incorrect OID order" | |
521 | ' | |
522 | ||
96af91d4 DS |
523 | test_expect_success 'detect OID not in object database' ' |
524 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_MISSING "\01" \ | |
525 | "from object database" | |
526 | ' | |
527 | ||
2e3c0737 DS |
528 | test_expect_success 'detect incorrect tree OID' ' |
529 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_TREE "\01" \ | |
530 | "root tree OID for commit" | |
531 | ' | |
532 | ||
53614b13 DS |
533 | test_expect_success 'detect incorrect parent int-id' ' |
534 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_PARENT "\01" \ | |
535 | "invalid parent" | |
536 | ' | |
537 | ||
538 | test_expect_success 'detect extra parent int-id' ' | |
539 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_EXTRA_PARENT "\00" \ | |
540 | "is too long" | |
541 | ' | |
542 | ||
543 | test_expect_success 'detect wrong parent' ' | |
544 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_WRONG_PARENT "\01" \ | |
545 | "commit-graph parent for" | |
546 | ' | |
547 | ||
1373e547 DS |
548 | test_expect_success 'detect incorrect generation number' ' |
549 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\070" \ | |
550 | "generation for commit" | |
551 | ' | |
552 | ||
553 | test_expect_success 'detect incorrect generation number' ' | |
554 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\01" \ | |
555 | "non-zero generation number" | |
556 | ' | |
557 | ||
88968ebf DS |
558 | test_expect_success 'detect incorrect commit date' ' |
559 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATE "\01" \ | |
560 | "commit date" | |
561 | ' | |
562 | ||
437787ae DS |
563 | test_expect_success 'detect incorrect parent for octopus merge' ' |
564 | corrupt_graph_and_verify $GRAPH_BYTE_OCTOPUS "\01" \ | |
565 | "invalid parent" | |
566 | ' | |
567 | ||
41df0e30 DS |
568 | test_expect_success 'detect invalid checksum hash' ' |
569 | corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \ | |
570 | "incorrect checksum" | |
571 | ' | |
572 | ||
d2b86fba JS |
573 | test_expect_success 'detect incorrect chunk count' ' |
574 | corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\377" \ | |
575 | "chunk lookup table entry missing" $GRAPH_CHUNK_LOOKUP_OFFSET | |
576 | ' | |
577 | ||
e0fd51e1 DS |
578 | test_expect_success 'git fsck (checks commit-graph)' ' |
579 | cd "$TRASH_DIRECTORY/full" && | |
580 | git fsck && | |
581 | corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \ | |
582 | "incorrect checksum" && | |
43d35618 | 583 | cp commit-graph-pre-write-test $objdir/info/commit-graph && |
e0fd51e1 DS |
584 | test_must_fail git fsck |
585 | ' | |
586 | ||
dade47c0 JT |
587 | test_expect_success 'setup non-the_repository tests' ' |
588 | rm -rf repo && | |
589 | git init repo && | |
590 | test_commit -C repo one && | |
591 | test_commit -C repo two && | |
592 | git -C repo config core.commitGraph true && | |
593 | git -C repo rev-parse two | \ | |
594 | git -C repo commit-graph write --stdin-commits | |
595 | ' | |
596 | ||
597 | test_expect_success 'parse_commit_in_graph works for non-the_repository' ' | |
598 | test-tool repository parse_commit_in_graph \ | |
599 | repo/.git repo "$(git -C repo rev-parse two)" >actual && | |
3c458630 SG |
600 | { |
601 | git -C repo log --pretty=format:"%ct " -1 && | |
602 | git -C repo rev-parse one | |
603 | } >expect && | |
dade47c0 JT |
604 | test_cmp expect actual && |
605 | ||
606 | test-tool repository parse_commit_in_graph \ | |
607 | repo/.git repo "$(git -C repo rev-parse one)" >actual && | |
3c458630 | 608 | git -C repo log --pretty="%ct" -1 one >expect && |
dade47c0 JT |
609 | test_cmp expect actual |
610 | ' | |
611 | ||
612 | test_expect_success 'get_commit_tree_in_graph works for non-the_repository' ' | |
613 | test-tool repository get_commit_tree_in_graph \ | |
614 | repo/.git repo "$(git -C repo rev-parse two)" >actual && | |
3c458630 | 615 | git -C repo rev-parse two^{tree} >expect && |
dade47c0 JT |
616 | test_cmp expect actual && |
617 | ||
618 | test-tool repository get_commit_tree_in_graph \ | |
619 | repo/.git repo "$(git -C repo rev-parse one)" >actual && | |
3c458630 | 620 | git -C repo rev-parse one^{tree} >expect && |
dade47c0 JT |
621 | test_cmp expect actual |
622 | ' | |
623 | ||
16749b8d | 624 | test_expect_success 'corrupt commit-graph write (broken parent)' ' |
23424ea7 TB |
625 | rm -rf repo && |
626 | git init repo && | |
627 | ( | |
628 | cd repo && | |
629 | empty="$(git mktree </dev/null)" && | |
630 | cat >broken <<-EOF && | |
631 | tree $empty | |
632 | parent 0000000000000000000000000000000000000000 | |
633 | author whatever <whatever@example.com> 1234 -0000 | |
634 | committer whatever <whatever@example.com> 1234 -0000 | |
635 | ||
636 | broken commit | |
637 | EOF | |
638 | broken="$(git hash-object -w -t commit --literally broken)" && | |
639 | git commit-tree -p "$broken" -m "good commit" "$empty" >good && | |
640 | test_must_fail git commit-graph write --stdin-commits \ | |
641 | <good 2>test_err && | |
642 | test_i18ngrep "unable to parse commit" test_err | |
643 | ) | |
644 | ' | |
645 | ||
806278de | 646 | test_expect_success 'corrupt commit-graph write (missing tree)' ' |
23424ea7 TB |
647 | rm -rf repo && |
648 | git init repo && | |
649 | ( | |
650 | cd repo && | |
651 | tree="$(git mktree </dev/null)" && | |
652 | cat >broken <<-EOF && | |
653 | parent 0000000000000000000000000000000000000000 | |
654 | author whatever <whatever@example.com> 1234 -0000 | |
655 | committer whatever <whatever@example.com> 1234 -0000 | |
656 | ||
657 | broken commit | |
658 | EOF | |
659 | broken="$(git hash-object -w -t commit --literally broken)" && | |
660 | git commit-tree -p "$broken" -m "good" "$tree" >good && | |
661 | test_must_fail git commit-graph write --stdin-commits \ | |
662 | <good 2>test_err && | |
663 | test_i18ngrep "unable to get tree for" test_err | |
664 | ) | |
665 | ' | |
666 | ||
f237c8b6 | 667 | test_done |