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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 "$TRASH_DIRECTORY/full" && | |
11 | git init && | |
177722b3 | 12 | git config core.commitGraph true && |
665d70ad DS |
13 | objdir=".git/objects" && |
14 | ||
15 | test_oid_cache <<-EOF | |
16 | oid_version sha1:1 | |
17 | oid_version sha256:2 | |
18 | EOF | |
f237c8b6 DS |
19 | ' |
20 | ||
1f9becae TB |
21 | test_expect_success POSIXPERM 'tweak umask for modebit tests' ' |
22 | umask 022 | |
23 | ' | |
24 | ||
283e68c7 DS |
25 | test_expect_success 'verify graph with no graph file' ' |
26 | cd "$TRASH_DIRECTORY/full" && | |
27 | git commit-graph verify | |
28 | ' | |
29 | ||
f237c8b6 DS |
30 | test_expect_success 'write graph with no packs' ' |
31 | cd "$TRASH_DIRECTORY/full" && | |
1793280e TB |
32 | git commit-graph write --object-dir $objdir && |
33 | test_path_is_missing $objdir/info/commit-graph | |
f237c8b6 DS |
34 | ' |
35 | ||
7c5c9b9c | 36 | test_expect_success 'exit with correct error on bad input to --stdin-packs' ' |
e103f727 DS |
37 | cd "$TRASH_DIRECTORY/full" && |
38 | echo doesnotexist >in && | |
9916073b | 39 | test_expect_code 1 git commit-graph write --stdin-packs <in 2>stderr && |
e103f727 DS |
40 | test_i18ngrep "error adding pack" stderr |
41 | ' | |
42 | ||
f237c8b6 DS |
43 | test_expect_success 'create commits and repack' ' |
44 | cd "$TRASH_DIRECTORY/full" && | |
45 | for i in $(test_seq 3) | |
46 | do | |
47 | test_commit $i && | |
48 | git branch commits/$i | |
49 | done && | |
50 | git repack | |
51 | ' | |
52 | ||
177722b3 | 53 | graph_git_two_modes() { |
55abcb41 DS |
54 | git -c core.commitGraph=true $1 >output |
55 | git -c core.commitGraph=false $1 >expect | |
dcbaa0b3 | 56 | test_cmp expect output |
177722b3 DS |
57 | } |
58 | ||
59 | graph_git_behavior() { | |
60 | MSG=$1 | |
61 | DIR=$2 | |
62 | BRANCH=$3 | |
63 | COMPARE=$4 | |
64 | test_expect_success "check normal git operations: $MSG" ' | |
65 | cd "$TRASH_DIRECTORY/$DIR" && | |
66 | graph_git_two_modes "log --oneline $BRANCH" && | |
67 | graph_git_two_modes "log --topo-order $BRANCH" && | |
68 | graph_git_two_modes "log --graph $COMPARE..$BRANCH" && | |
69 | graph_git_two_modes "branch -vv" && | |
70 | graph_git_two_modes "merge-base -a $BRANCH $COMPARE" | |
71 | ' | |
72 | } | |
73 | ||
74 | graph_git_behavior 'no graph' full commits/3 commits/1 | |
75 | ||
2a2e32bd DS |
76 | graph_read_expect() { |
77 | OPTIONAL="" | |
78 | NUM_CHUNKS=3 | |
79 | if test ! -z $2 | |
80 | then | |
81 | OPTIONAL=" $2" | |
82 | NUM_CHUNKS=$((3 + $(echo "$2" | wc -w))) | |
83 | fi | |
84 | cat >expect <<- EOF | |
665d70ad | 85 | header: 43475048 1 $(test_oid oid_version) $NUM_CHUNKS 0 |
2a2e32bd DS |
86 | num_commits: $1 |
87 | chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL | |
88 | EOF | |
4bd0593e | 89 | test-tool read-graph >output && |
2a2e32bd DS |
90 | test_cmp expect output |
91 | } | |
92 | ||
1f1304d4 TB |
93 | test_expect_success 'exit with correct error on bad input to --stdin-commits' ' |
94 | cd "$TRASH_DIRECTORY/full" && | |
2f00c355 TB |
95 | # invalid, non-hex OID |
96 | echo HEAD >in && | |
97 | test_expect_code 1 git commit-graph write --stdin-commits <in 2>stderr && | |
1f1304d4 | 98 | test_i18ngrep "unexpected non-hex object ID: HEAD" stderr && |
2f00c355 TB |
99 | # non-existent OID |
100 | echo $ZERO_OID >in && | |
101 | test_expect_code 1 git commit-graph write --stdin-commits <in 2>stderr && | |
102 | test_i18ngrep "invalid object" stderr && | |
103 | # valid commit and tree OID | |
104 | git rev-parse HEAD HEAD^{tree} >in && | |
105 | git commit-graph write --stdin-commits <in && | |
106 | graph_read_expect 3 | |
1f1304d4 TB |
107 | ' |
108 | ||
f237c8b6 DS |
109 | test_expect_success 'write graph' ' |
110 | cd "$TRASH_DIRECTORY/full" && | |
0b918b75 | 111 | git commit-graph write && |
2a2e32bd DS |
112 | test_path_is_file $objdir/info/commit-graph && |
113 | graph_read_expect "3" | |
f237c8b6 DS |
114 | ' |
115 | ||
1f9becae TB |
116 | test_expect_success POSIXPERM 'write graph has correct permissions' ' |
117 | test_path_is_file $objdir/info/commit-graph && | |
118 | echo "-r--r--r--" >expect && | |
119 | test_modebits $objdir/info/commit-graph >actual && | |
120 | test_cmp expect actual | |
121 | ' | |
122 | ||
177722b3 DS |
123 | graph_git_behavior 'graph exists' full commits/3 commits/1 |
124 | ||
f237c8b6 DS |
125 | test_expect_success 'Add more commits' ' |
126 | cd "$TRASH_DIRECTORY/full" && | |
127 | git reset --hard commits/1 && | |
128 | for i in $(test_seq 4 5) | |
129 | do | |
130 | test_commit $i && | |
131 | git branch commits/$i | |
132 | done && | |
133 | git reset --hard commits/2 && | |
134 | for i in $(test_seq 6 7) | |
135 | do | |
136 | test_commit $i && | |
137 | git branch commits/$i | |
138 | done && | |
139 | git reset --hard commits/2 && | |
140 | git merge commits/4 && | |
141 | git branch merge/1 && | |
142 | git reset --hard commits/4 && | |
143 | git merge commits/6 && | |
144 | git branch merge/2 && | |
145 | git reset --hard commits/3 && | |
146 | git merge commits/5 commits/7 && | |
147 | git branch merge/3 && | |
148 | git repack | |
149 | ' | |
150 | ||
73716122 GS |
151 | test_expect_success 'commit-graph write progress off for redirected stderr' ' |
152 | cd "$TRASH_DIRECTORY/full" && | |
153 | git commit-graph write 2>err && | |
6334c5ff | 154 | test_must_be_empty err |
73716122 GS |
155 | ' |
156 | ||
157 | test_expect_success 'commit-graph write force progress on for stderr' ' | |
158 | cd "$TRASH_DIRECTORY/full" && | |
44a4693b | 159 | GIT_PROGRESS_DELAY=0 git commit-graph write --progress 2>err && |
73716122 GS |
160 | test_file_not_empty err |
161 | ' | |
162 | ||
163 | test_expect_success 'commit-graph write with the --no-progress option' ' | |
164 | cd "$TRASH_DIRECTORY/full" && | |
165 | git commit-graph write --no-progress 2>err && | |
6334c5ff | 166 | test_must_be_empty err |
73716122 GS |
167 | ' |
168 | ||
94fbd914 TB |
169 | test_expect_success 'commit-graph write --stdin-commits progress off for redirected stderr' ' |
170 | cd "$TRASH_DIRECTORY/full" && | |
171 | git rev-parse commits/5 >in && | |
172 | git commit-graph write --stdin-commits <in 2>err && | |
173 | test_must_be_empty err | |
174 | ' | |
175 | ||
176 | test_expect_success 'commit-graph write --stdin-commits force progress on for stderr' ' | |
177 | cd "$TRASH_DIRECTORY/full" && | |
178 | git rev-parse commits/5 >in && | |
179 | GIT_PROGRESS_DELAY=0 git commit-graph write --stdin-commits --progress <in 2>err && | |
180 | test_i18ngrep "Collecting commits from input" err | |
181 | ' | |
182 | ||
183 | test_expect_success 'commit-graph write --stdin-commits with the --no-progress option' ' | |
184 | cd "$TRASH_DIRECTORY/full" && | |
185 | git rev-parse commits/5 >in && | |
186 | git commit-graph write --stdin-commits --no-progress <in 2>err && | |
187 | test_must_be_empty err | |
73716122 GS |
188 | ' |
189 | ||
190 | test_expect_success 'commit-graph verify progress off for redirected stderr' ' | |
191 | cd "$TRASH_DIRECTORY/full" && | |
192 | git commit-graph verify 2>err && | |
6334c5ff | 193 | test_must_be_empty err |
73716122 GS |
194 | ' |
195 | ||
196 | test_expect_success 'commit-graph verify force progress on for stderr' ' | |
197 | cd "$TRASH_DIRECTORY/full" && | |
44a4693b | 198 | GIT_PROGRESS_DELAY=0 git commit-graph verify --progress 2>err && |
73716122 GS |
199 | test_file_not_empty err |
200 | ' | |
201 | ||
202 | test_expect_success 'commit-graph verify with the --no-progress option' ' | |
203 | cd "$TRASH_DIRECTORY/full" && | |
204 | git commit-graph verify --no-progress 2>err && | |
6334c5ff | 205 | test_must_be_empty err |
73716122 GS |
206 | ' |
207 | ||
f237c8b6 DS |
208 | # Current graph structure: |
209 | # | |
210 | # __M3___ | |
211 | # / | \ | |
212 | # 3 M1 5 M2 7 | |
213 | # |/ \|/ \| | |
214 | # 2 4 6 | |
215 | # |___/____/ | |
216 | # 1 | |
217 | ||
f237c8b6 DS |
218 | test_expect_success 'write graph with merges' ' |
219 | cd "$TRASH_DIRECTORY/full" && | |
220 | git commit-graph write && | |
2a2e32bd | 221 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 222 | graph_read_expect "10" "extra_edges" |
f237c8b6 DS |
223 | ' |
224 | ||
177722b3 DS |
225 | graph_git_behavior 'merge 1 vs 2' full merge/1 merge/2 |
226 | graph_git_behavior 'merge 1 vs 3' full merge/1 merge/3 | |
227 | graph_git_behavior 'merge 2 vs 3' full merge/2 merge/3 | |
228 | ||
f237c8b6 DS |
229 | test_expect_success 'Add one more commit' ' |
230 | cd "$TRASH_DIRECTORY/full" && | |
231 | test_commit 8 && | |
232 | git branch commits/8 && | |
233 | ls $objdir/pack | grep idx >existing-idx && | |
234 | git repack && | |
4a3ed638 | 235 | ls $objdir/pack| grep idx | grep -v -f existing-idx >new-idx |
f237c8b6 DS |
236 | ' |
237 | ||
238 | # Current graph structure: | |
239 | # | |
240 | # 8 | |
241 | # | | |
242 | # __M3___ | |
243 | # / | \ | |
244 | # 3 M1 5 M2 7 | |
245 | # |/ \|/ \| | |
246 | # 2 4 6 | |
247 | # |___/____/ | |
248 | # 1 | |
249 | ||
177722b3 DS |
250 | graph_git_behavior 'mixed mode, commit 8 vs merge 1' full commits/8 merge/1 |
251 | graph_git_behavior 'mixed mode, commit 8 vs merge 2' full commits/8 merge/2 | |
252 | ||
f237c8b6 DS |
253 | test_expect_success 'write graph with new commit' ' |
254 | cd "$TRASH_DIRECTORY/full" && | |
255 | git commit-graph write && | |
2a2e32bd | 256 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 257 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
258 | ' |
259 | ||
177722b3 DS |
260 | graph_git_behavior 'full graph, commit 8 vs merge 1' full commits/8 merge/1 |
261 | graph_git_behavior 'full graph, commit 8 vs merge 2' full commits/8 merge/2 | |
262 | ||
f237c8b6 DS |
263 | test_expect_success 'write graph with nothing new' ' |
264 | cd "$TRASH_DIRECTORY/full" && | |
265 | git commit-graph write && | |
2a2e32bd | 266 | test_path_is_file $objdir/info/commit-graph && |
5af7417b | 267 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
268 | ' |
269 | ||
177722b3 DS |
270 | graph_git_behavior 'cleared graph, commit 8 vs merge 1' full commits/8 merge/1 |
271 | graph_git_behavior 'cleared graph, commit 8 vs merge 2' full commits/8 merge/2 | |
272 | ||
049d51a2 DS |
273 | test_expect_success 'build graph from latest pack with closure' ' |
274 | cd "$TRASH_DIRECTORY/full" && | |
275 | cat new-idx | git commit-graph write --stdin-packs && | |
276 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 277 | graph_read_expect "9" "extra_edges" |
049d51a2 DS |
278 | ' |
279 | ||
280 | graph_git_behavior 'graph from pack, commit 8 vs merge 1' full commits/8 merge/1 | |
281 | graph_git_behavior 'graph from pack, commit 8 vs merge 2' full commits/8 merge/2 | |
282 | ||
3d5df01b DS |
283 | test_expect_success 'build graph from commits with closure' ' |
284 | cd "$TRASH_DIRECTORY/full" && | |
285 | git tag -a -m "merge" tag/merge merge/2 && | |
286 | git rev-parse tag/merge >commits-in && | |
287 | git rev-parse merge/1 >>commits-in && | |
288 | cat commits-in | git commit-graph write --stdin-commits && | |
289 | test_path_is_file $objdir/info/commit-graph && | |
290 | graph_read_expect "6" | |
291 | ' | |
292 | ||
293 | graph_git_behavior 'graph from commits, commit 8 vs merge 1' full commits/8 merge/1 | |
294 | graph_git_behavior 'graph from commits, commit 8 vs merge 2' full commits/8 merge/2 | |
295 | ||
7547b95b DS |
296 | test_expect_success 'build graph from commits with append' ' |
297 | cd "$TRASH_DIRECTORY/full" && | |
298 | git rev-parse merge/3 | git commit-graph write --stdin-commits --append && | |
299 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 300 | graph_read_expect "10" "extra_edges" |
7547b95b DS |
301 | ' |
302 | ||
303 | graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 | |
304 | graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2 | |
305 | ||
59fb8770 DS |
306 | test_expect_success 'build graph using --reachable' ' |
307 | cd "$TRASH_DIRECTORY/full" && | |
308 | git commit-graph write --reachable && | |
309 | test_path_is_file $objdir/info/commit-graph && | |
5af7417b | 310 | graph_read_expect "11" "extra_edges" |
59fb8770 DS |
311 | ' |
312 | ||
313 | graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 | |
314 | graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2 | |
315 | ||
f237c8b6 DS |
316 | test_expect_success 'setup bare repo' ' |
317 | cd "$TRASH_DIRECTORY" && | |
318 | git clone --bare --no-local full bare && | |
319 | cd bare && | |
177722b3 | 320 | git config core.commitGraph true && |
f237c8b6 DS |
321 | baredir="./objects" |
322 | ' | |
323 | ||
177722b3 DS |
324 | graph_git_behavior 'bare repo, commit 8 vs merge 1' bare commits/8 merge/1 |
325 | graph_git_behavior 'bare repo, commit 8 vs merge 2' bare commits/8 merge/2 | |
326 | ||
f237c8b6 DS |
327 | test_expect_success 'write graph in bare repo' ' |
328 | cd "$TRASH_DIRECTORY/bare" && | |
329 | git commit-graph write && | |
2a2e32bd | 330 | test_path_is_file $baredir/info/commit-graph && |
5af7417b | 331 | graph_read_expect "11" "extra_edges" |
f237c8b6 DS |
332 | ' |
333 | ||
177722b3 DS |
334 | graph_git_behavior 'bare repo with graph, commit 8 vs merge 1' bare commits/8 merge/1 |
335 | graph_git_behavior 'bare repo with graph, commit 8 vs merge 2' bare commits/8 merge/2 | |
336 | ||
7adf5266 DS |
337 | test_expect_success 'perform fast-forward merge in full repo' ' |
338 | cd "$TRASH_DIRECTORY/full" && | |
339 | git checkout -b merge-5-to-8 commits/5 && | |
340 | git merge commits/8 && | |
341 | git show-ref -s merge-5-to-8 >output && | |
342 | git show-ref -s commits/8 >expect && | |
343 | test_cmp expect output | |
344 | ' | |
345 | ||
d5d5d7b6 DS |
346 | test_expect_success 'check that gc computes commit-graph' ' |
347 | cd "$TRASH_DIRECTORY/full" && | |
348 | git commit --allow-empty -m "blank" && | |
349 | git commit-graph write --reachable && | |
350 | cp $objdir/info/commit-graph commit-graph-before-gc && | |
351 | git reset --hard HEAD~1 && | |
352 | git config gc.writeCommitGraph true && | |
353 | git gc && | |
354 | cp $objdir/info/commit-graph commit-graph-after-gc && | |
eb7cc5bc | 355 | ! test_cmp_bin commit-graph-before-gc commit-graph-after-gc && |
d5d5d7b6 | 356 | git commit-graph write --reachable && |
eb7cc5bc | 357 | test_cmp_bin commit-graph-after-gc $objdir/info/commit-graph |
d5d5d7b6 DS |
358 | ' |
359 | ||
d6538246 DS |
360 | test_expect_success 'replace-objects invalidates commit-graph' ' |
361 | cd "$TRASH_DIRECTORY" && | |
362 | test_when_finished rm -rf replace && | |
363 | git clone full replace && | |
364 | ( | |
365 | cd replace && | |
366 | git commit-graph write --reachable && | |
367 | test_path_is_file .git/objects/info/commit-graph && | |
368 | git replace HEAD~1 HEAD~2 && | |
369 | git -c core.commitGraph=false log >expect && | |
370 | git -c core.commitGraph=true log >actual && | |
371 | test_cmp expect actual && | |
372 | git commit-graph write --reachable && | |
373 | git -c core.commitGraph=false --no-replace-objects log >expect && | |
374 | git -c core.commitGraph=true --no-replace-objects log >actual && | |
375 | test_cmp expect actual && | |
376 | rm -rf .git/objects/info/commit-graph && | |
377 | git commit-graph write --reachable && | |
378 | test_path_is_file .git/objects/info/commit-graph | |
379 | ) | |
380 | ' | |
381 | ||
20fd6d57 DS |
382 | test_expect_success 'commit grafts invalidate commit-graph' ' |
383 | cd "$TRASH_DIRECTORY" && | |
384 | test_when_finished rm -rf graft && | |
385 | git clone full graft && | |
386 | ( | |
387 | cd graft && | |
388 | git commit-graph write --reachable && | |
389 | test_path_is_file .git/objects/info/commit-graph && | |
390 | H1=$(git rev-parse --verify HEAD~1) && | |
391 | H3=$(git rev-parse --verify HEAD~3) && | |
392 | echo "$H1 $H3" >.git/info/grafts && | |
393 | git -c core.commitGraph=false log >expect && | |
394 | git -c core.commitGraph=true log >actual && | |
395 | test_cmp expect actual && | |
396 | git commit-graph write --reachable && | |
397 | git -c core.commitGraph=false --no-replace-objects log >expect && | |
398 | git -c core.commitGraph=true --no-replace-objects log >actual && | |
399 | test_cmp expect actual && | |
400 | rm -rf .git/objects/info/commit-graph && | |
401 | git commit-graph write --reachable && | |
402 | test_path_is_missing .git/objects/info/commit-graph | |
403 | ) | |
404 | ' | |
405 | ||
406 | test_expect_success 'replace-objects invalidates commit-graph' ' | |
407 | cd "$TRASH_DIRECTORY" && | |
408 | test_when_finished rm -rf shallow && | |
409 | git clone --depth 2 "file://$TRASH_DIRECTORY/full" shallow && | |
410 | ( | |
411 | cd shallow && | |
412 | git commit-graph write --reachable && | |
413 | test_path_is_missing .git/objects/info/commit-graph && | |
414 | git fetch origin --unshallow && | |
415 | git commit-graph write --reachable && | |
416 | test_path_is_file .git/objects/info/commit-graph | |
417 | ) | |
418 | ' | |
419 | ||
665d70ad DS |
420 | test_expect_success 'warn on improper hash version' ' |
421 | git init --object-format=sha1 sha1 && | |
422 | ( | |
423 | cd sha1 && | |
424 | test_commit 1 && | |
425 | git commit-graph write --reachable && | |
426 | mv .git/objects/info/commit-graph ../cg-sha1 | |
427 | ) && | |
428 | git init --object-format=sha256 sha256 && | |
429 | ( | |
430 | cd sha256 && | |
431 | test_commit 1 && | |
432 | git commit-graph write --reachable && | |
433 | mv .git/objects/info/commit-graph ../cg-sha256 | |
434 | ) && | |
435 | ( | |
436 | cd sha1 && | |
437 | mv ../cg-sha256 .git/objects/info/commit-graph && | |
438 | git log -1 2>err && | |
439 | test_i18ngrep "commit-graph hash version 2 does not match version 1" err | |
440 | ) && | |
441 | ( | |
442 | cd sha256 && | |
443 | mv ../cg-sha1 .git/objects/info/commit-graph && | |
444 | git log -1 2>err && | |
445 | test_i18ngrep "commit-graph hash version 1 does not match version 2" err | |
446 | ) | |
447 | ' | |
448 | ||
d9b9f8a6 DS |
449 | # the verify tests below expect the commit-graph to contain |
450 | # exactly the commits reachable from the commits/8 branch. | |
451 | # If the file changes the set of commits in the list, then the | |
452 | # offsets into the binary file will result in different edits | |
453 | # and the tests will likely break. | |
454 | ||
283e68c7 DS |
455 | test_expect_success 'git commit-graph verify' ' |
456 | cd "$TRASH_DIRECTORY/full" && | |
d9b9f8a6 | 457 | git rev-parse commits/8 | git commit-graph write --stdin-commits && |
283e68c7 DS |
458 | git commit-graph verify >output |
459 | ' | |
460 | ||
96af91d4 | 461 | NUM_COMMITS=9 |
437787ae | 462 | NUM_OCTOPUS_EDGES=2 |
ae0c89d4 | 463 | HASH_LEN="$(test_oid rawsz)" |
d9b9f8a6 DS |
464 | GRAPH_BYTE_VERSION=4 |
465 | GRAPH_BYTE_HASH=5 | |
2bd0365f DS |
466 | GRAPH_BYTE_CHUNK_COUNT=6 |
467 | GRAPH_CHUNK_LOOKUP_OFFSET=8 | |
468 | GRAPH_CHUNK_LOOKUP_WIDTH=12 | |
469 | GRAPH_CHUNK_LOOKUP_ROWS=5 | |
470 | GRAPH_BYTE_OID_FANOUT_ID=$GRAPH_CHUNK_LOOKUP_OFFSET | |
471 | GRAPH_BYTE_OID_LOOKUP_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ | |
472 | 1 * $GRAPH_CHUNK_LOOKUP_WIDTH)) | |
473 | GRAPH_BYTE_COMMIT_DATA_ID=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ | |
474 | 2 * $GRAPH_CHUNK_LOOKUP_WIDTH)) | |
9bda8467 DS |
475 | GRAPH_FANOUT_OFFSET=$(($GRAPH_CHUNK_LOOKUP_OFFSET + \ |
476 | $GRAPH_CHUNK_LOOKUP_WIDTH * $GRAPH_CHUNK_LOOKUP_ROWS)) | |
477 | GRAPH_BYTE_FANOUT1=$(($GRAPH_FANOUT_OFFSET + 4 * 4)) | |
478 | GRAPH_BYTE_FANOUT2=$(($GRAPH_FANOUT_OFFSET + 4 * 255)) | |
479 | GRAPH_OID_LOOKUP_OFFSET=$(($GRAPH_FANOUT_OFFSET + 4 * 256)) | |
480 | GRAPH_BYTE_OID_LOOKUP_ORDER=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 8)) | |
96af91d4 | 481 | GRAPH_BYTE_OID_LOOKUP_MISSING=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * 4 + 10)) |
2e3c0737 DS |
482 | GRAPH_COMMIT_DATA_OFFSET=$(($GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN * $NUM_COMMITS)) |
483 | GRAPH_BYTE_COMMIT_TREE=$GRAPH_COMMIT_DATA_OFFSET | |
53614b13 DS |
484 | GRAPH_BYTE_COMMIT_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN)) |
485 | GRAPH_BYTE_COMMIT_EXTRA_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 4)) | |
486 | GRAPH_BYTE_COMMIT_WRONG_PARENT=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 3)) | |
1373e547 | 487 | GRAPH_BYTE_COMMIT_GENERATION=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 11)) |
88968ebf | 488 | GRAPH_BYTE_COMMIT_DATE=$(($GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 12)) |
437787ae DS |
489 | GRAPH_COMMIT_DATA_WIDTH=$(($HASH_LEN + 16)) |
490 | GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \ | |
491 | $GRAPH_COMMIT_DATA_WIDTH * $NUM_COMMITS)) | |
492 | GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4)) | |
41df0e30 | 493 | GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES)) |
d9b9f8a6 | 494 | |
f6761faa ÆAB |
495 | corrupt_graph_setup() { |
496 | cd "$TRASH_DIRECTORY/full" && | |
497 | test_when_finished mv commit-graph-backup $objdir/info/commit-graph && | |
1f9becae TB |
498 | cp $objdir/info/commit-graph commit-graph-backup && |
499 | chmod u+w $objdir/info/commit-graph | |
f6761faa ÆAB |
500 | } |
501 | ||
502 | corrupt_graph_verify() { | |
503 | grepstr=$1 | |
504 | test_must_fail git commit-graph verify 2>test_err && | |
505 | grep -v "^+" test_err >err && | |
2ac138d5 | 506 | test_i18ngrep "$grepstr" err && |
43d35618 ÆAB |
507 | if test "$2" != "no-copy" |
508 | then | |
509 | cp $objdir/info/commit-graph commit-graph-pre-write-test | |
510 | fi && | |
511 | git status --short && | |
7b671f8c | 512 | GIT_TEST_COMMIT_GRAPH_DIE_ON_PARSE=true git commit-graph write && |
1f9becae | 513 | chmod u+w $objdir/info/commit-graph && |
43d35618 | 514 | git commit-graph verify |
f6761faa ÆAB |
515 | } |
516 | ||
d2b86fba | 517 | # usage: corrupt_graph_and_verify <position> <data> <string> [<zero_pos>] |
d9b9f8a6 | 518 | # Manipulates the commit-graph file at the position |
d2b86fba JS |
519 | # by inserting the data, optionally zeroing the file |
520 | # starting at <zero_pos>, then runs 'git commit-graph verify' | |
d9b9f8a6 DS |
521 | # and places the output in the file 'err'. Test 'err' for |
522 | # the given string. | |
523 | corrupt_graph_and_verify() { | |
524 | pos=$1 | |
525 | data="${2:-\0}" | |
526 | grepstr=$3 | |
f6761faa | 527 | corrupt_graph_setup && |
d2b86fba JS |
528 | orig_size=$(wc -c < $objdir/info/commit-graph) && |
529 | zero_pos=${4:-${orig_size}} && | |
d9b9f8a6 | 530 | printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc && |
b9cc4056 | 531 | dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" if=/dev/null && |
24b451e7 | 532 | generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" && |
f6761faa ÆAB |
533 | corrupt_graph_verify "$grepstr" |
534 | ||
d9b9f8a6 DS |
535 | } |
536 | ||
7b8ce9c6 ÆAB |
537 | test_expect_success POSIXPERM,SANITY 'detect permission problem' ' |
538 | corrupt_graph_setup && | |
539 | chmod 000 $objdir/info/commit-graph && | |
43d35618 | 540 | corrupt_graph_verify "Could not open" "no-copy" |
7b8ce9c6 ÆAB |
541 | ' |
542 | ||
945944ca ÆAB |
543 | test_expect_success 'detect too small' ' |
544 | corrupt_graph_setup && | |
545 | echo "a small graph" >$objdir/info/commit-graph && | |
546 | corrupt_graph_verify "too small" | |
547 | ' | |
548 | ||
d9b9f8a6 DS |
549 | test_expect_success 'detect bad signature' ' |
550 | corrupt_graph_and_verify 0 "\0" \ | |
551 | "graph signature" | |
552 | ' | |
553 | ||
554 | test_expect_success 'detect bad version' ' | |
555 | corrupt_graph_and_verify $GRAPH_BYTE_VERSION "\02" \ | |
556 | "graph version" | |
557 | ' | |
558 | ||
559 | test_expect_success 'detect bad hash version' ' | |
1d86c8f0 | 560 | corrupt_graph_and_verify $GRAPH_BYTE_HASH "\03" \ |
d9b9f8a6 DS |
561 | "hash version" |
562 | ' | |
563 | ||
2bd0365f | 564 | test_expect_success 'detect low chunk count' ' |
cb9daf16 | 565 | corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\01" \ |
2bd0365f DS |
566 | "missing the .* chunk" |
567 | ' | |
568 | ||
569 | test_expect_success 'detect missing OID fanout chunk' ' | |
570 | corrupt_graph_and_verify $GRAPH_BYTE_OID_FANOUT_ID "\0" \ | |
571 | "missing the OID Fanout chunk" | |
572 | ' | |
573 | ||
574 | test_expect_success 'detect missing OID lookup chunk' ' | |
575 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ID "\0" \ | |
576 | "missing the OID Lookup chunk" | |
577 | ' | |
578 | ||
579 | test_expect_success 'detect missing commit data chunk' ' | |
580 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATA_ID "\0" \ | |
581 | "missing the Commit Data chunk" | |
582 | ' | |
583 | ||
9bda8467 DS |
584 | test_expect_success 'detect incorrect fanout' ' |
585 | corrupt_graph_and_verify $GRAPH_BYTE_FANOUT1 "\01" \ | |
586 | "fanout value" | |
587 | ' | |
588 | ||
589 | test_expect_success 'detect incorrect fanout final value' ' | |
590 | corrupt_graph_and_verify $GRAPH_BYTE_FANOUT2 "\01" \ | |
591 | "fanout value" | |
592 | ' | |
593 | ||
594 | test_expect_success 'detect incorrect OID order' ' | |
595 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_ORDER "\01" \ | |
596 | "incorrect OID order" | |
597 | ' | |
598 | ||
96af91d4 DS |
599 | test_expect_success 'detect OID not in object database' ' |
600 | corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_MISSING "\01" \ | |
601 | "from object database" | |
602 | ' | |
603 | ||
2e3c0737 DS |
604 | test_expect_success 'detect incorrect tree OID' ' |
605 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_TREE "\01" \ | |
606 | "root tree OID for commit" | |
607 | ' | |
608 | ||
53614b13 DS |
609 | test_expect_success 'detect incorrect parent int-id' ' |
610 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_PARENT "\01" \ | |
611 | "invalid parent" | |
612 | ' | |
613 | ||
614 | test_expect_success 'detect extra parent int-id' ' | |
615 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_EXTRA_PARENT "\00" \ | |
616 | "is too long" | |
617 | ' | |
618 | ||
619 | test_expect_success 'detect wrong parent' ' | |
620 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_WRONG_PARENT "\01" \ | |
621 | "commit-graph parent for" | |
622 | ' | |
623 | ||
1373e547 DS |
624 | test_expect_success 'detect incorrect generation number' ' |
625 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\070" \ | |
626 | "generation for commit" | |
627 | ' | |
628 | ||
629 | test_expect_success 'detect incorrect generation number' ' | |
630 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_GENERATION "\01" \ | |
631 | "non-zero generation number" | |
632 | ' | |
633 | ||
88968ebf DS |
634 | test_expect_success 'detect incorrect commit date' ' |
635 | corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATE "\01" \ | |
636 | "commit date" | |
637 | ' | |
638 | ||
437787ae DS |
639 | test_expect_success 'detect incorrect parent for octopus merge' ' |
640 | corrupt_graph_and_verify $GRAPH_BYTE_OCTOPUS "\01" \ | |
641 | "invalid parent" | |
642 | ' | |
643 | ||
41df0e30 DS |
644 | test_expect_success 'detect invalid checksum hash' ' |
645 | corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \ | |
646 | "incorrect checksum" | |
647 | ' | |
648 | ||
d2b86fba JS |
649 | test_expect_success 'detect incorrect chunk count' ' |
650 | corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\377" \ | |
2ad4f1a7 SG |
651 | "commit-graph file is too small to hold [0-9]* chunks" \ |
652 | $GRAPH_CHUNK_LOOKUP_OFFSET | |
d2b86fba JS |
653 | ' |
654 | ||
e0fd51e1 DS |
655 | test_expect_success 'git fsck (checks commit-graph)' ' |
656 | cd "$TRASH_DIRECTORY/full" && | |
657 | git fsck && | |
658 | corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \ | |
659 | "incorrect checksum" && | |
43d35618 | 660 | cp commit-graph-pre-write-test $objdir/info/commit-graph && |
e0fd51e1 DS |
661 | test_must_fail git fsck |
662 | ' | |
663 | ||
dade47c0 JT |
664 | test_expect_success 'setup non-the_repository tests' ' |
665 | rm -rf repo && | |
666 | git init repo && | |
667 | test_commit -C repo one && | |
668 | test_commit -C repo two && | |
669 | git -C repo config core.commitGraph true && | |
670 | git -C repo rev-parse two | \ | |
671 | git -C repo commit-graph write --stdin-commits | |
672 | ' | |
673 | ||
674 | test_expect_success 'parse_commit_in_graph works for non-the_repository' ' | |
675 | test-tool repository parse_commit_in_graph \ | |
676 | repo/.git repo "$(git -C repo rev-parse two)" >actual && | |
3c458630 SG |
677 | { |
678 | git -C repo log --pretty=format:"%ct " -1 && | |
679 | git -C repo rev-parse one | |
680 | } >expect && | |
dade47c0 JT |
681 | test_cmp expect actual && |
682 | ||
683 | test-tool repository parse_commit_in_graph \ | |
684 | repo/.git repo "$(git -C repo rev-parse one)" >actual && | |
3c458630 | 685 | git -C repo log --pretty="%ct" -1 one >expect && |
dade47c0 JT |
686 | test_cmp expect actual |
687 | ' | |
688 | ||
689 | test_expect_success 'get_commit_tree_in_graph works for non-the_repository' ' | |
690 | test-tool repository get_commit_tree_in_graph \ | |
691 | repo/.git repo "$(git -C repo rev-parse two)" >actual && | |
3c458630 | 692 | git -C repo rev-parse two^{tree} >expect && |
dade47c0 JT |
693 | test_cmp expect actual && |
694 | ||
695 | test-tool repository get_commit_tree_in_graph \ | |
696 | repo/.git repo "$(git -C repo rev-parse one)" >actual && | |
3c458630 | 697 | git -C repo rev-parse one^{tree} >expect && |
dade47c0 JT |
698 | test_cmp expect actual |
699 | ' | |
700 | ||
16749b8d | 701 | test_expect_success 'corrupt commit-graph write (broken parent)' ' |
23424ea7 TB |
702 | rm -rf repo && |
703 | git init repo && | |
704 | ( | |
705 | cd repo && | |
706 | empty="$(git mktree </dev/null)" && | |
707 | cat >broken <<-EOF && | |
708 | tree $empty | |
48c10cc0 | 709 | parent $ZERO_OID |
23424ea7 TB |
710 | author whatever <whatever@example.com> 1234 -0000 |
711 | committer whatever <whatever@example.com> 1234 -0000 | |
712 | ||
713 | broken commit | |
714 | EOF | |
715 | broken="$(git hash-object -w -t commit --literally broken)" && | |
716 | git commit-tree -p "$broken" -m "good commit" "$empty" >good && | |
717 | test_must_fail git commit-graph write --stdin-commits \ | |
718 | <good 2>test_err && | |
719 | test_i18ngrep "unable to parse commit" test_err | |
720 | ) | |
721 | ' | |
722 | ||
806278de | 723 | test_expect_success 'corrupt commit-graph write (missing tree)' ' |
23424ea7 TB |
724 | rm -rf repo && |
725 | git init repo && | |
726 | ( | |
727 | cd repo && | |
728 | tree="$(git mktree </dev/null)" && | |
729 | cat >broken <<-EOF && | |
48c10cc0 | 730 | parent $ZERO_OID |
23424ea7 TB |
731 | author whatever <whatever@example.com> 1234 -0000 |
732 | committer whatever <whatever@example.com> 1234 -0000 | |
733 | ||
734 | broken commit | |
735 | EOF | |
736 | broken="$(git hash-object -w -t commit --literally broken)" && | |
737 | git commit-tree -p "$broken" -m "good" "$tree" >good && | |
738 | test_must_fail git commit-graph write --stdin-commits \ | |
739 | <good 2>test_err && | |
228c78fb | 740 | test_i18ngrep "unable to parse commit" test_err |
23424ea7 TB |
741 | ) |
742 | ' | |
743 | ||
f237c8b6 | 744 | test_done |