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