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Commit | Line | Data |
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f237c8b6 DS |
1 | #!/bin/sh |
2 | ||
3 | test_description='commit graph' | |
4 | . ./test-lib.sh | |
5 | ||
d5b873c8 GS |
6 | GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0 |
7 | ||
f237c8b6 DS |
8 | test_expect_success 'setup full repo' ' |
9 | mkdir full && | |
10 | cd "$TRASH_DIRECTORY/full" && | |
11 | git init && | |
177722b3 | 12 | git config core.commitGraph true && |
ae0c89d4 DS |
13 | objdir=".git/objects" && |
14 | test_oid_init | |
f237c8b6 DS |
15 | ' |
16 | ||
283e68c7 DS |
17 | test_expect_success 'verify graph with no graph file' ' |
18 | cd "$TRASH_DIRECTORY/full" && | |
19 | git commit-graph verify | |
20 | ' | |
21 | ||
f237c8b6 DS |
22 | test_expect_success 'write graph with no packs' ' |
23 | cd "$TRASH_DIRECTORY/full" && | |
1793280e TB |
24 | git commit-graph write --object-dir $objdir && |
25 | test_path_is_missing $objdir/info/commit-graph | |
f237c8b6 DS |
26 | ' |
27 | ||
7c5c9b9c | 28 | test_expect_success 'exit with correct error on bad input to --stdin-packs' ' |
e103f727 DS |
29 | cd "$TRASH_DIRECTORY/full" && |
30 | echo doesnotexist >in && | |
9916073b | 31 | test_expect_code 1 git commit-graph write --stdin-packs <in 2>stderr && |
e103f727 DS |
32 | test_i18ngrep "error adding pack" stderr |
33 | ' | |
34 | ||
f237c8b6 DS |
35 | test_expect_success 'create commits and repack' ' |
36 | cd "$TRASH_DIRECTORY/full" && | |
37 | for i in $(test_seq 3) | |
38 | do | |
39 | test_commit $i && | |
40 | git branch commits/$i | |
41 | done && | |
42 | git repack | |
43 | ' | |
44 | ||
177722b3 | 45 | graph_git_two_modes() { |
55abcb41 DS |
46 | git -c core.commitGraph=true $1 >output |
47 | git -c core.commitGraph=false $1 >expect | |
dcbaa0b3 | 48 | test_cmp expect output |
177722b3 DS |
49 | } |
50 | ||
51 | graph_git_behavior() { | |
52 | MSG=$1 | |
53 | DIR=$2 | |
54 | BRANCH=$3 | |
55 | COMPARE=$4 | |
56 | test_expect_success "check normal git operations: $MSG" ' | |
57 | cd "$TRASH_DIRECTORY/$DIR" && | |
58 | graph_git_two_modes "log --oneline $BRANCH" && | |
59 | graph_git_two_modes "log --topo-order $BRANCH" && | |
60 | graph_git_two_modes "log --graph $COMPARE..$BRANCH" && | |
61 | graph_git_two_modes "branch -vv" && | |
62 | graph_git_two_modes "merge-base -a $BRANCH $COMPARE" | |
63 | ' | |
64 | } | |
65 | ||
66 | graph_git_behavior 'no graph' full commits/3 commits/1 | |
67 | ||
2a2e32bd DS |
68 | graph_read_expect() { |
69 | OPTIONAL="" | |
70 | NUM_CHUNKS=3 | |
71 | if test ! -z $2 | |
72 | then | |
73 | OPTIONAL=" $2" | |
74 | NUM_CHUNKS=$((3 + $(echo "$2" | wc -w))) | |
75 | fi | |
76 | cat >expect <<- EOF | |
77 | header: 43475048 1 1 $NUM_CHUNKS 0 | |
78 | num_commits: $1 | |
79 | chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL | |
80 | EOF | |
4bd0593e | 81 | test-tool read-graph >output && |
2a2e32bd DS |
82 | test_cmp expect output |
83 | } | |
84 | ||
1f1304d4 TB |
85 | test_expect_success 'exit with correct error on bad input to --stdin-commits' ' |
86 | cd "$TRASH_DIRECTORY/full" && | |
2f00c355 TB |
87 | # invalid, non-hex OID |
88 | echo HEAD >in && | |
89 | test_expect_code 1 git commit-graph write --stdin-commits <in 2>stderr && | |
1f1304d4 | 90 | test_i18ngrep "unexpected non-hex object ID: HEAD" stderr && |
2f00c355 TB |
91 | # non-existent OID |
92 | echo $ZERO_OID >in && | |
93 | test_expect_code 1 git commit-graph write --stdin-commits <in 2>stderr && | |
94 | test_i18ngrep "invalid object" stderr && | |
95 | # valid commit and tree OID | |
96 | git rev-parse HEAD HEAD^{tree} >in && | |
97 | git commit-graph write --stdin-commits <in && | |
98 | graph_read_expect 3 | |
1f1304d4 TB |
99 | ' |
100 | ||
f237c8b6 DS |
101 | test_expect_success 'write graph' ' |
102 | cd "$TRASH_DIRECTORY/full" && | |
0b918b75 | 103 | git commit-graph write && |
2a2e32bd DS |
104 | test_path_is_file $objdir/info/commit-graph && |
105 | graph_read_expect "3" | |
f237c8b6 DS |
106 | ' |
107 | ||
177722b3 DS |
108 | graph_git_behavior 'graph exists' full commits/3 commits/1 |
109 | ||
f237c8b6 DS |
110 | test_expect_success 'Add more commits' ' |
111 | cd "$TRASH_DIRECTORY/full" && | |
112 | git reset --hard commits/1 && | |
113 | for i in $(test_seq 4 5) | |
114 | do | |
115 | test_commit $i && | |
116 | git branch commits/$i | |
117 | done && | |
118 | git reset --hard commits/2 && | |
119 | for i in $(test_seq 6 7) | |
120 | do | |
121 | test_commit $i && | |
122 | git branch commits/$i | |
123 | done && | |
124 | git reset --hard commits/2 && | |
125 | git merge commits/4 && | |
126 | git branch merge/1 && | |
127 | git reset --hard commits/4 && | |
128 | git merge commits/6 && | |
129 | git branch merge/2 && | |
130 | git reset --hard commits/3 && | |
131 | git merge commits/5 commits/7 && | |
132 | git branch merge/3 && | |
133 | git repack | |
134 | ' | |
135 | ||
73716122 GS |
136 | test_expect_success 'commit-graph write progress off for redirected stderr' ' |
137 | cd "$TRASH_DIRECTORY/full" && | |
138 | git commit-graph write 2>err && | |
139 | test_line_count = 0 err | |
140 | ' | |
141 | ||
142 | test_expect_success 'commit-graph write force progress on for stderr' ' | |
143 | cd "$TRASH_DIRECTORY/full" && | |
44a4693b | 144 | GIT_PROGRESS_DELAY=0 git commit-graph write --progress 2>err && |
73716122 GS |
145 | test_file_not_empty err |
146 | ' | |
147 | ||
148 | test_expect_success 'commit-graph write with the --no-progress option' ' | |
149 | cd "$TRASH_DIRECTORY/full" && | |
150 | git commit-graph write --no-progress 2>err && | |
151 | test_line_count = 0 err | |
152 | ' | |
153 | ||
154 | test_expect_success 'commit-graph verify progress off for redirected stderr' ' | |
155 | cd "$TRASH_DIRECTORY/full" && | |
156 | git commit-graph verify 2>err && | |
157 | test_line_count = 0 err | |
158 | ' | |
159 | ||
160 | test_expect_success 'commit-graph verify force progress on for stderr' ' | |
161 | cd "$TRASH_DIRECTORY/full" && | |
44a4693b | 162 | GIT_PROGRESS_DELAY=0 git commit-graph verify --progress 2>err && |
73716122 GS |
163 | test_file_not_empty err |
164 | ' | |
165 | ||
166 | test_expect_success 'commit-graph verify with the --no-progress option' ' | |
167 | cd "$TRASH_DIRECTORY/full" && | |
168 | git commit-graph verify --no-progress 2>err && | |
169 | test_line_count = 0 err | |
170 | ' | |
171 | ||
f237c8b6 DS |
172 | # Current graph structure: |
173 | # | |
174 | # __M3___ | |
175 | # / | \ | |
176 | # 3 M1 5 M2 7 | |
177 | # |/ \|/ \| | |
178 | # 2 4 6 | |
179 | # |___/____/ | |
180 | # 1 | |
181 | ||
f237c8b6 DS |
182 | test_expect_success 'write graph with merges' ' |
183 | cd "$TRASH_DIRECTORY/full" && | |
184 | git commit-graph write && | |
2a2e32bd | 185 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 186 | graph_read_expect "10" "extra_edges" |
f237c8b6 DS |
187 | ' |
188 | ||
177722b3 DS |
189 | graph_git_behavior 'merge 1 vs 2' full merge/1 merge/2 |
190 | graph_git_behavior 'merge 1 vs 3' full merge/1 merge/3 | |
191 | graph_git_behavior 'merge 2 vs 3' full merge/2 merge/3 | |
192 | ||
f237c8b6 DS |
193 | test_expect_success 'Add one more commit' ' |
194 | cd "$TRASH_DIRECTORY/full" && | |
195 | test_commit 8 && | |
196 | git branch commits/8 && | |
197 | ls $objdir/pack | grep idx >existing-idx && | |
198 | git repack && | |
4a3ed638 | 199 | ls $objdir/pack| grep idx | grep -v -f existing-idx >new-idx |
f237c8b6 DS |
200 | ' |
201 | ||
202 | # Current graph structure: | |
203 | # | |
204 | # 8 | |
205 | # | | |
206 | # __M3___ | |
207 | # / | \ | |
208 | # 3 M1 5 M2 7 | |
209 | # |/ \|/ \| | |
210 | # 2 4 6 | |
211 | # |___/____/ | |
212 | # 1 | |
213 | ||
177722b3 DS |
214 | graph_git_behavior 'mixed mode, commit 8 vs merge 1' full commits/8 merge/1 |
215 | graph_git_behavior 'mixed mode, commit 8 vs merge 2' full commits/8 merge/2 | |
216 | ||
f237c8b6 DS |
217 | test_expect_success 'write graph with new commit' ' |
218 | cd "$TRASH_DIRECTORY/full" && | |
219 | git commit-graph write && | |
2a2e32bd | 220 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 221 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
222 | ' |
223 | ||
177722b3 DS |
224 | graph_git_behavior 'full graph, commit 8 vs merge 1' full commits/8 merge/1 |
225 | graph_git_behavior 'full graph, commit 8 vs merge 2' full commits/8 merge/2 | |
226 | ||
f237c8b6 DS |
227 | test_expect_success 'write graph with nothing new' ' |
228 | cd "$TRASH_DIRECTORY/full" && | |
229 | git commit-graph write && | |
2a2e32bd | 230 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 231 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
232 | ' |
233 | ||
177722b3 DS |
234 | graph_git_behavior 'cleared graph, commit 8 vs merge 1' full commits/8 merge/1 |
235 | graph_git_behavior 'cleared graph, commit 8 vs merge 2' full commits/8 merge/2 | |
236 | ||
049d51a2 DS |
237 | test_expect_success 'build graph from latest pack with closure' ' |
238 | cd "$TRASH_DIRECTORY/full" && | |
239 | cat new-idx | git commit-graph write --stdin-packs && | |
240 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 241 | graph_read_expect "9" "extra_edges" |
049d51a2 DS |
242 | ' |
243 | ||
244 | graph_git_behavior 'graph from pack, commit 8 vs merge 1' full commits/8 merge/1 | |
245 | graph_git_behavior 'graph from pack, commit 8 vs merge 2' full commits/8 merge/2 | |
246 | ||
3d5df01b DS |
247 | test_expect_success 'build graph from commits with closure' ' |
248 | cd "$TRASH_DIRECTORY/full" && | |
249 | git tag -a -m "merge" tag/merge merge/2 && | |
250 | git rev-parse tag/merge >commits-in && | |
251 | git rev-parse merge/1 >>commits-in && | |
252 | cat commits-in | git commit-graph write --stdin-commits && | |
253 | test_path_is_file $objdir/info/commit-graph && | |
254 | graph_read_expect "6" | |
255 | ' | |
256 | ||
257 | graph_git_behavior 'graph from commits, commit 8 vs merge 1' full commits/8 merge/1 | |
258 | graph_git_behavior 'graph from commits, commit 8 vs merge 2' full commits/8 merge/2 | |
259 | ||
7547b95b DS |
260 | test_expect_success 'build graph from commits with append' ' |
261 | cd "$TRASH_DIRECTORY/full" && | |
262 | git rev-parse merge/3 | git commit-graph write --stdin-commits --append && | |
263 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 264 | graph_read_expect "10" "extra_edges" |
7547b95b DS |
265 | ' |
266 | ||
267 | graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 | |
268 | graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2 | |
269 | ||
59fb8770 DS |
270 | test_expect_success 'build graph using --reachable' ' |
271 | cd "$TRASH_DIRECTORY/full" && | |
272 | git commit-graph write --reachable && | |
273 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 274 | graph_read_expect "11" "extra_edges" |
59fb8770 DS |
275 | ' |
276 | ||
277 | graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 | |
278 | graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2 | |
279 | ||
f237c8b6 DS |
280 | test_expect_success 'setup bare repo' ' |
281 | cd "$TRASH_DIRECTORY" && | |
282 | git clone --bare --no-local full bare && | |
283 | cd bare && | |
177722b3 | 284 | git config core.commitGraph true && |
f237c8b6 DS |
285 | baredir="./objects" |
286 | ' | |
287 | ||
177722b3 DS |
288 | graph_git_behavior 'bare repo, commit 8 vs merge 1' bare commits/8 merge/1 |
289 | graph_git_behavior 'bare repo, commit 8 vs merge 2' bare commits/8 merge/2 | |
290 | ||
f237c8b6 DS |
291 | test_expect_success 'write graph in bare repo' ' |
292 | cd "$TRASH_DIRECTORY/bare" && | |
293 | git commit-graph write && | |
2a2e32bd | 294 | test_path_is_file $baredir/info/commit-graph && |
5af7417b | 295 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
296 | ' |
297 | ||
177722b3 DS |
298 | graph_git_behavior 'bare repo with graph, commit 8 vs merge 1' bare commits/8 merge/1 |
299 | graph_git_behavior 'bare repo with graph, commit 8 vs merge 2' bare commits/8 merge/2 | |
300 | ||
7adf5266 DS |
301 | test_expect_success 'perform fast-forward merge in full repo' ' |
302 | cd "$TRASH_DIRECTORY/full" && | |
303 | git checkout -b merge-5-to-8 commits/5 && | |
304 | git merge commits/8 && | |
305 | git show-ref -s merge-5-to-8 >output && | |
306 | git show-ref -s commits/8 >expect && | |
307 | test_cmp expect output | |
308 | ' | |
309 | ||
d5d5d7b6 DS |
310 | test_expect_success 'check that gc computes commit-graph' ' |
311 | cd "$TRASH_DIRECTORY/full" && | |
312 | git commit --allow-empty -m "blank" && | |
313 | git commit-graph write --reachable && | |
314 | cp $objdir/info/commit-graph commit-graph-before-gc && | |
315 | git reset --hard HEAD~1 && | |
316 | git config gc.writeCommitGraph true && | |
317 | git gc && | |
318 | cp $objdir/info/commit-graph commit-graph-after-gc && | |
eb7cc5bc | 319 | ! test_cmp_bin commit-graph-before-gc commit-graph-after-gc && |
d5d5d7b6 | 320 | git commit-graph write --reachable && |
eb7cc5bc | 321 | test_cmp_bin commit-graph-after-gc $objdir/info/commit-graph |
d5d5d7b6 DS |
322 | ' |
323 | ||
d6538246 DS |
324 | test_expect_success 'replace-objects invalidates commit-graph' ' |
325 | cd "$TRASH_DIRECTORY" && | |
326 | test_when_finished rm -rf replace && | |
327 | git clone full replace && | |
328 | ( | |
329 | cd replace && | |
330 | git commit-graph write --reachable && | |
331 | test_path_is_file .git/objects/info/commit-graph && | |
332 | git replace HEAD~1 HEAD~2 && | |
333 | git -c core.commitGraph=false log >expect && | |
334 | git -c core.commitGraph=true log >actual && | |
335 | test_cmp expect actual && | |
336 | git commit-graph write --reachable && | |
337 | git -c core.commitGraph=false --no-replace-objects log >expect && | |
338 | git -c core.commitGraph=true --no-replace-objects log >actual && | |
339 | test_cmp expect actual && | |
340 | rm -rf .git/objects/info/commit-graph && | |
341 | git commit-graph write --reachable && | |
342 | test_path_is_file .git/objects/info/commit-graph | |
343 | ) | |
344 | ' | |
345 | ||
20fd6d57 DS |
346 | test_expect_success 'commit grafts invalidate commit-graph' ' |
347 | cd "$TRASH_DIRECTORY" && | |
348 | test_when_finished rm -rf graft && | |
349 | git clone full graft && | |
350 | ( | |
351 | cd graft && | |
352 | git commit-graph write --reachable && | |
353 | test_path_is_file .git/objects/info/commit-graph && | |
354 | H1=$(git rev-parse --verify HEAD~1) && | |
355 | H3=$(git rev-parse --verify HEAD~3) && | |
356 | echo "$H1 $H3" >.git/info/grafts && | |
357 | git -c core.commitGraph=false log >expect && | |
358 | git -c core.commitGraph=true log >actual && | |
359 | test_cmp expect actual && | |
360 | git commit-graph write --reachable && | |
361 | git -c core.commitGraph=false --no-replace-objects log >expect && | |
362 | git -c core.commitGraph=true --no-replace-objects log >actual && | |
363 | test_cmp expect actual && | |
364 | rm -rf .git/objects/info/commit-graph && | |
365 | git commit-graph write --reachable && | |
366 | test_path_is_missing .git/objects/info/commit-graph | |
367 | ) | |
368 | ' | |
369 | ||
370 | test_expect_success 'replace-objects invalidates commit-graph' ' | |
371 | cd "$TRASH_DIRECTORY" && | |
372 | test_when_finished rm -rf shallow && | |
373 | git clone --depth 2 "file://$TRASH_DIRECTORY/full" shallow && | |
374 | ( | |
375 | cd shallow && | |
376 | git commit-graph write --reachable && | |
377 | test_path_is_missing .git/objects/info/commit-graph && | |
378 | git fetch origin --unshallow && | |
379 | git commit-graph write --reachable && | |
380 | test_path_is_file .git/objects/info/commit-graph | |
381 | ) | |
382 | ' | |
383 | ||
d9b9f8a6 DS |
384 | # the verify tests below expect the commit-graph to contain |
385 | # exactly the commits reachable from the commits/8 branch. | |
386 | # If the file changes the set of commits in the list, then the | |
387 | # offsets into the binary file will result in different edits | |
388 | # and the tests will likely break. | |
389 | ||
283e68c7 DS |
390 | test_expect_success 'git commit-graph verify' ' |
391 | cd "$TRASH_DIRECTORY/full" && | |
d9b9f8a6 | 392 | git rev-parse commits/8 | git commit-graph write --stdin-commits && |
283e68c7 DS |
393 | git commit-graph verify >output |
394 | ' | |
395 | ||
96af91d4 | 396 | NUM_COMMITS=9 |
437787ae | 397 | NUM_OCTOPUS_EDGES=2 |
ae0c89d4 | 398 | HASH_LEN="$(test_oid rawsz)" |
d9b9f8a6 DS |
399 | GRAPH_BYTE_VERSION=4 |
400 | GRAPH_BYTE_HASH=5 | |
2bd0365f DS |
401 | GRAPH_BYTE_CHUNK_COUNT=6 |
402 | GRAPH_CHUNK_LOOKUP_OFFSET=8 | |
403 | GRAPH_CHUNK_LOOKUP_WIDTH=12 | |
404 | GRAPH_CHUNK_LOOKUP_ROWS=5 | |
405 | GRAPH_BYTE_OID_FANOUT_ID=$GRAPH_CHUNK_LOOKUP_OFFSET | |
406 | GRAPH_BYTE_OID_LOOKUP_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ | |
407 | 1 * $GRAPH_CHUNK_LOOKUP_WIDTH)) | |
408 | GRAPH_BYTE_COMMIT_DATA_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ | |
409 | 2 * $GRAPH_CHUNK_LOOKUP_WIDTH)) | |
9bda8467 DS |
410 | GRAPH_FANOUT_OFFSET=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ |
411 | $GRAPH_CHUNK_LOOKUP_WIDTH * $GRAPH_CHUNK_LOOKUP_ROWS)) | |
412 | GRAPH_BYTE_FANOUT1=$(($GRAPH_FANOUT_OFFSET + 4 * 4)) | |
413 | GRAPH_BYTE_FANOUT2=$(($GRAPH_FANOUT_OFFSET + 4 * 255)) | |
414 | GRAPH_OID_LOOKUP_OFFSET=$(($GRAPH_FANOUT_OFFSET + 4 * 256)) | |
415 | GRAPH_BYTE_OID_LOOKUP_ORDER=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 8)) | |
96af91d4 | 416 | GRAPH_BYTE_OID_LOOKUP_MISSING=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 4 + 10)) |
2e3c0737 DS |
417 | GRAPH_COMMIT_DATA_OFFSET=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * $NUM_COMMITS)) |
418 | GRAPH_BYTE_COMMIT_TREE=$GRAPH_COMMIT_DATA_OFFSET | |
53614b13 DS |
419 | GRAPH_BYTE_COMMIT_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN)) |
420 | GRAPH_BYTE_COMMIT_EXTRA_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 4)) | |
421 | GRAPH_BYTE_COMMIT_WRONG_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 3)) | |
1373e547 | 422 | GRAPH_BYTE_COMMIT_GENERATION=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 11)) |
88968ebf | 423 | GRAPH_BYTE_COMMIT_DATE=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 12)) |
437787ae DS |
424 | GRAPH_COMMIT_DATA_WIDTH=$(($HASH_LEN + 16)) |
425 | GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \ | |
426 | $GRAPH_COMMIT_DATA_WIDTH * $NUM_COMMITS)) | |
427 | GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4)) | |
41df0e30 | 428 | GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES)) |
d9b9f8a6 | 429 | |
f6761faa ÆAB |
430 | corrupt_graph_setup() { |
431 | cd "$TRASH_DIRECTORY/full" && | |
432 | test_when_finished mv commit-graph-backup $objdir/info/commit-graph && | |
433 | cp $objdir/info/commit-graph commit-graph-backup | |
434 | } | |
435 | ||
436 | corrupt_graph_verify() { | |
437 | grepstr=$1 | |
438 | test_must_fail git commit-graph verify 2>test_err && | |
439 | grep -v "^+" test_err >err && | |
2ac138d5 | 440 | test_i18ngrep "$grepstr" err && |
43d35618 ÆAB |
441 | if test "$2" != "no-copy" |
442 | then | |
443 | cp $objdir/info/commit-graph commit-graph-pre-write-test | |
444 | fi && | |
445 | git status --short && | |
446 | GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD=true git commit-graph write && | |
447 | git commit-graph verify | |
f6761faa ÆAB |
448 | } |
449 | ||
d2b86fba | 450 | # usage: corrupt_graph_and_verify <position> <data> <string> [<zero_pos>] |
d9b9f8a6 | 451 | # Manipulates the commit-graph file at the position |
d2b86fba JS |
452 | # by inserting the data, optionally zeroing the file |
453 | # starting at <zero_pos>, then runs 'git commit-graph verify' | |
d9b9f8a6 DS |
454 | # and places the output in the file 'err'. Test 'err' for |
455 | # the given string. | |
456 | corrupt_graph_and_verify() { | |
457 | pos=$1 | |
458 | data="${2:-\0}" | |
459 | grepstr=$3 | |
f6761faa | 460 | corrupt_graph_setup && |
d2b86fba JS |
461 | orig_size=$(wc -c < $objdir/info/commit-graph) && |
462 | zero_pos=${4:-${orig_size}} && | |
d9b9f8a6 | 463 | printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc && |
b9cc4056 | 464 | dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" if=/dev/null && |
24b451e7 | 465 | generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" && |
f6761faa ÆAB |
466 | corrupt_graph_verify "$grepstr" |
467 | ||
d9b9f8a6 DS |
468 | } |
469 | ||
7b8ce9c6 ÆAB |
470 | test_expect_success POSIXPERM,SANITY 'detect permission problem' ' |
471 | corrupt_graph_setup && | |
472 | chmod 000 $objdir/info/commit-graph && | |
43d35618 | 473 | corrupt_graph_verify "Could not open" "no-copy" |
7b8ce9c6 ÆAB |
474 | ' |
475 | ||
945944ca ÆAB |
476 | test_expect_success 'detect too small' ' |
477 | corrupt_graph_setup && | |
478 | echo "a small graph" >$objdir/info/commit-graph && | |
479 | corrupt_graph_verify "too small" | |
480 | ' | |
481 | ||
d9b9f8a6 DS |
482 | test_expect_success 'detect bad signature' ' |
483 | corrupt_graph_and_verify 0 "\0" \ | |
484 | "graph signature" | |
485 | ' | |
486 | ||
487 | test_expect_success 'detect bad version' ' | |
488 | corrupt_graph_and_verify $GRAPH_BYTE_VERSION "\02" \ | |
489 | "graph version" | |
490 | ' | |
491 | ||
492 | test_expect_success 'detect bad hash version' ' | |
1d86c8f0 | 493 | corrupt_graph_and_verify $GRAPH_BYTE_HASH "\03" \ |
d9b9f8a6 DS |
494 | "hash version" |
495 | ' | |
496 | ||
2bd0365f DS |
497 | test_expect_success 'detect low chunk count' ' |
498 | corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\02" \ | |
499 | "missing the .* chunk" | |
500 | ' | |
501 | ||
502 | test_expect_success 'detect missing OID fanout chunk' ' | |
503 | corrupt_graph_and_verify $GRAPH_BYTE_OID_FANOUT_ID "\0" \ | |
504 | "missing the OID Fanout chunk" | |
505 | ' | |
506 | ||
507 | test_expect_success 'detect missing OID lookup chunk' ' | |
508 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ID "\0" \ | |
509 | "missing the OID Lookup chunk" | |
510 | ' | |
511 | ||
512 | test_expect_success 'detect missing commit data chunk' ' | |
513 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATA_ID "\0" \ | |
514 | "missing the Commit Data chunk" | |
515 | ' | |
516 | ||
9bda8467 DS |
517 | test_expect_success 'detect incorrect fanout' ' |
518 | corrupt_graph_and_verify $GRAPH_BYTE_FANOUT1 "\01" \ | |
519 | "fanout value" | |
520 | ' | |
521 | ||
522 | test_expect_success 'detect incorrect fanout final value' ' | |
523 | corrupt_graph_and_verify $GRAPH_BYTE_FANOUT2 "\01" \ | |
524 | "fanout value" | |
525 | ' | |
526 | ||
527 | test_expect_success 'detect incorrect OID order' ' | |
528 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ORDER "\01" \ | |
529 | "incorrect OID order" | |
530 | ' | |
531 | ||
96af91d4 DS |
532 | test_expect_success 'detect OID not in object database' ' |
533 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_MISSING "\01" \ | |
534 | "from object database" | |
535 | ' | |
536 | ||
2e3c0737 DS |
537 | test_expect_success 'detect incorrect tree OID' ' |
538 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_TREE "\01" \ | |
539 | "root tree OID for commit" | |
540 | ' | |
541 | ||
53614b13 DS |
542 | test_expect_success 'detect incorrect parent int-id' ' |
543 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_PARENT "\01" \ | |
544 | "invalid parent" | |
545 | ' | |
546 | ||
547 | test_expect_success 'detect extra parent int-id' ' | |
548 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_EXTRA_PARENT "\00" \ | |
549 | "is too long" | |
550 | ' | |
551 | ||
552 | test_expect_success 'detect wrong parent' ' | |
553 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_WRONG_PARENT "\01" \ | |
554 | "commit-graph parent for" | |
555 | ' | |
556 | ||
1373e547 DS |
557 | test_expect_success 'detect incorrect generation number' ' |
558 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\070" \ | |
559 | "generation for commit" | |
560 | ' | |
561 | ||
562 | test_expect_success 'detect incorrect generation number' ' | |
563 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\01" \ | |
564 | "non-zero generation number" | |
565 | ' | |
566 | ||
88968ebf DS |
567 | test_expect_success 'detect incorrect commit date' ' |
568 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATE "\01" \ | |
569 | "commit date" | |
570 | ' | |
571 | ||
437787ae DS |
572 | test_expect_success 'detect incorrect parent for octopus merge' ' |
573 | corrupt_graph_and_verify $GRAPH_BYTE_OCTOPUS "\01" \ | |
574 | "invalid parent" | |
575 | ' | |
576 | ||
41df0e30 DS |
577 | test_expect_success 'detect invalid checksum hash' ' |
578 | corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \ | |
579 | "incorrect checksum" | |
580 | ' | |
581 | ||
d2b86fba JS |
582 | test_expect_success 'detect incorrect chunk count' ' |
583 | corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\377" \ | |
584 | "chunk lookup table entry missing" $GRAPH_CHUNK_LOOKUP_OFFSET | |
585 | ' | |
586 | ||
e0fd51e1 DS |
587 | test_expect_success 'git fsck (checks commit-graph)' ' |
588 | cd "$TRASH_DIRECTORY/full" && | |
589 | git fsck && | |
590 | corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \ | |
591 | "incorrect checksum" && | |
43d35618 | 592 | cp commit-graph-pre-write-test $objdir/info/commit-graph && |
e0fd51e1 DS |
593 | test_must_fail git fsck |
594 | ' | |
595 | ||
dade47c0 JT |
596 | test_expect_success 'setup non-the_repository tests' ' |
597 | rm -rf repo && | |
598 | git init repo && | |
599 | test_commit -C repo one && | |
600 | test_commit -C repo two && | |
601 | git -C repo config core.commitGraph true && | |
602 | git -C repo rev-parse two | \ | |
603 | git -C repo commit-graph write --stdin-commits | |
604 | ' | |
605 | ||
606 | test_expect_success 'parse_commit_in_graph works for non-the_repository' ' | |
607 | test-tool repository parse_commit_in_graph \ | |
608 | repo/.git repo "$(git -C repo rev-parse two)" >actual && | |
3c458630 SG |
609 | { |
610 | git -C repo log --pretty=format:"%ct " -1 && | |
611 | git -C repo rev-parse one | |
612 | } >expect && | |
dade47c0 JT |
613 | test_cmp expect actual && |
614 | ||
615 | test-tool repository parse_commit_in_graph \ | |
616 | repo/.git repo "$(git -C repo rev-parse one)" >actual && | |
3c458630 | 617 | git -C repo log --pretty="%ct" -1 one >expect && |
dade47c0 JT |
618 | test_cmp expect actual |
619 | ' | |
620 | ||
621 | test_expect_success 'get_commit_tree_in_graph works for non-the_repository' ' | |
622 | test-tool repository get_commit_tree_in_graph \ | |
623 | repo/.git repo "$(git -C repo rev-parse two)" >actual && | |
3c458630 | 624 | git -C repo rev-parse two^{tree} >expect && |
dade47c0 JT |
625 | test_cmp expect actual && |
626 | ||
627 | test-tool repository get_commit_tree_in_graph \ | |
628 | repo/.git repo "$(git -C repo rev-parse one)" >actual && | |
3c458630 | 629 | git -C repo rev-parse one^{tree} >expect && |
dade47c0 JT |
630 | test_cmp expect actual |
631 | ' | |
632 | ||
16749b8d | 633 | test_expect_success 'corrupt commit-graph write (broken parent)' ' |
23424ea7 TB |
634 | rm -rf repo && |
635 | git init repo && | |
636 | ( | |
637 | cd repo && | |
638 | empty="$(git mktree </dev/null)" && | |
639 | cat >broken <<-EOF && | |
640 | tree $empty | |
48c10cc0 | 641 | parent $ZERO_OID |
23424ea7 TB |
642 | author whatever <whatever@example.com> 1234 -0000 |
643 | committer whatever <whatever@example.com> 1234 -0000 | |
644 | ||
645 | broken commit | |
646 | EOF | |
647 | broken="$(git hash-object -w -t commit --literally broken)" && | |
648 | git commit-tree -p "$broken" -m "good commit" "$empty" >good && | |
649 | test_must_fail git commit-graph write --stdin-commits \ | |
650 | <good 2>test_err && | |
651 | test_i18ngrep "unable to parse commit" test_err | |
652 | ) | |
653 | ' | |
654 | ||
806278de | 655 | test_expect_success 'corrupt commit-graph write (missing tree)' ' |
23424ea7 TB |
656 | rm -rf repo && |
657 | git init repo && | |
658 | ( | |
659 | cd repo && | |
660 | tree="$(git mktree </dev/null)" && | |
661 | cat >broken <<-EOF && | |
48c10cc0 | 662 | parent $ZERO_OID |
23424ea7 TB |
663 | author whatever <whatever@example.com> 1234 -0000 |
664 | committer whatever <whatever@example.com> 1234 -0000 | |
665 | ||
666 | broken commit | |
667 | EOF | |
668 | broken="$(git hash-object -w -t commit --literally broken)" && | |
669 | git commit-tree -p "$broken" -m "good" "$tree" >good && | |
670 | test_must_fail git commit-graph write --stdin-commits \ | |
671 | <good 2>test_err && | |
228c78fb | 672 | test_i18ngrep "unable to parse commit" test_err |
23424ea7 TB |
673 | ) |
674 | ' | |
675 | ||
f237c8b6 | 676 | test_done |