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1#!/bin/sh
2#
3# Copyright (c) 2007 Junio C Hamano
4#
5
6test_description='Test prune and reflog expiration'
7GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
8export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
9
10. ./test-lib.sh
11
12check_have () {
13 gaah= &&
14 for N in "$@"
15 do
16 eval "o=\$$N" && git cat-file -t $o || {
17 echo Gaah $N
18 gaah=$N
19 break
20 }
21 done &&
22 test -z "$gaah"
23}
24
25check_fsck () {
26 git fsck --full >fsck.output
27 case "$1" in
28 '')
29 test_must_be_empty fsck.output ;;
30 *)
31 test_grep "$1" fsck.output ;;
32 esac
33}
34
35corrupt () {
36 mv .git/objects/$(test_oid_to_path $1) .git/$1
37}
38
39recover () {
40 aa=$(echo $1 | cut -c 1-2)
41 mkdir -p .git/objects/$aa
42 mv .git/$1 .git/objects/$(test_oid_to_path $1)
43}
44
45check_dont_have () {
46 gaah= &&
47 for N in "$@"
48 do
49 eval "o=\$$N"
50 git cat-file -t $o && {
51 echo Gaah $N
52 gaah=$N
53 break
54 }
55 done
56 test -z "$gaah"
57}
58
59test_expect_success setup '
60 mkdir -p A/B &&
61 echo rat >C &&
62 echo ox >A/D &&
63 echo tiger >A/B/E &&
64 git add . &&
65
66 test_tick && git commit -m rabbit &&
67 H=$(git rev-parse --verify HEAD) &&
68 A=$(git rev-parse --verify HEAD:A) &&
69 B=$(git rev-parse --verify HEAD:A/B) &&
70 C=$(git rev-parse --verify HEAD:C) &&
71 D=$(git rev-parse --verify HEAD:A/D) &&
72 E=$(git rev-parse --verify HEAD:A/B/E) &&
73 check_fsck &&
74
75 test_chmod +x C &&
76 git add C &&
77 test_tick && git commit -m dragon &&
78 L=$(git rev-parse --verify HEAD) &&
79 check_fsck &&
80
81 rm -f C A/B/E &&
82 echo snake >F &&
83 echo horse >A/G &&
84 git add F A/G &&
85 test_tick && git commit -a -m sheep &&
86 F=$(git rev-parse --verify HEAD:F) &&
87 G=$(git rev-parse --verify HEAD:A/G) &&
88 I=$(git rev-parse --verify HEAD:A) &&
89 J=$(git rev-parse --verify HEAD) &&
90 check_fsck &&
91
92 rm -f A/G &&
93 test_tick && git commit -a -m monkey &&
94 K=$(git rev-parse --verify HEAD) &&
95 check_fsck &&
96
97 check_have A B C D E F G H I J K L &&
98
99 git prune &&
100
101 check_have A B C D E F G H I J K L &&
102
103 check_fsck &&
104
105 git reflog refs/heads/main >output &&
106 test_line_count = 4 output
107'
108
109test_expect_success 'correct usage on sub-command -h' '
110 test_expect_code 129 git reflog expire -h >err &&
111 grep "git reflog expire" err
112'
113
114test_expect_success 'correct usage on "git reflog show -h"' '
115 test_expect_code 129 git reflog show -h >err &&
116 grep -F "git reflog [show]" err
117'
118
119test_expect_success 'pass through -- to sub-command' '
120 test_when_finished "rm -rf repo" &&
121 git init repo &&
122 test_commit -C repo message --a-file contents dash-tag &&
123
124 git -C repo reflog show -- --does-not-exist >out &&
125 test_must_be_empty out &&
126 git -C repo reflog show >expect &&
127 git -C repo reflog show -- --a-file >actual &&
128 test_cmp expect actual
129'
130
131test_expect_success rewind '
132 test_tick && git reset --hard HEAD~2 &&
133 test -f C &&
134 test -f A/B/E &&
135 ! test -f F &&
136 ! test -f A/G &&
137
138 check_have A B C D E F G H I J K L &&
139
140 git prune &&
141
142 check_have A B C D E F G H I J K L &&
143
144 git reflog refs/heads/main >output &&
145 test_line_count = 5 output
146'
147
148test_expect_success 'reflog expire should not barf on an annotated tag' '
149 test_when_finished "git tag -d v0.tag || :" &&
150 git -c core.logAllRefUpdates=always \
151 tag -a -m "tag name" v0.tag main &&
152 git reflog expire --dry-run refs/tags/v0.tag 2>err &&
153 test_grep ! "error: [Oo]bject .* not a commit" err
154'
155
156test_expect_success 'corrupt and check' '
157
158 corrupt $F &&
159 check_fsck "missing blob $F"
160
161'
162
163test_expect_success 'reflog expire --dry-run should not touch reflog' '
164
165 git reflog expire --dry-run \
166 --expire=$(($test_tick - 10000)) \
167 --expire-unreachable=$(($test_tick - 10000)) \
168 --stale-fix \
169 --all &&
170
171 git reflog refs/heads/main >output &&
172 test_line_count = 5 output &&
173
174 check_fsck "missing blob $F"
175'
176
177test_expect_success 'reflog expire' '
178
179 git reflog expire --verbose \
180 --expire=$(($test_tick - 10000)) \
181 --expire-unreachable=$(($test_tick - 10000)) \
182 --stale-fix \
183 --all &&
184
185 git reflog refs/heads/main >output &&
186 test_line_count = 2 output &&
187
188 check_fsck "dangling commit $K"
189'
190
191test_expect_success '--stale-fix handles missing objects generously' '
192 git -c core.logAllRefUpdates=false fast-import --date-format=now <<-EOS &&
193 commit refs/heads/stale-fix
194 mark :1
195 committer Author <a@uth.or> now
196 data <<EOF
197 start stale fix
198 EOF
199 M 100644 inline file
200 data <<EOF
201 contents
202 EOF
203 commit refs/heads/stale-fix
204 committer Author <a@uth.or> now
205 data <<EOF
206 stale fix branch tip
207 EOF
208 from :1
209 EOS
210
211 parent_oid=$(git rev-parse stale-fix^) &&
212 test_when_finished "recover $parent_oid" &&
213 corrupt $parent_oid &&
214 git reflog expire --stale-fix
215'
216
217test_expect_success 'prune and fsck' '
218
219 git prune &&
220 check_fsck &&
221
222 check_have A B C D E H L &&
223 check_dont_have F G I J K
224
225'
226
227test_expect_success 'recover and check' '
228
229 recover $F &&
230 check_fsck "dangling blob $F"
231
232'
233
234test_expect_success 'delete' '
235 echo 1 > C &&
236 test_tick &&
237 git commit -m rat C &&
238
239 echo 2 > C &&
240 test_tick &&
241 git commit -m ox C &&
242
243 echo 3 > C &&
244 test_tick &&
245 git commit -m tiger C &&
246
247 HEAD_entry_count=$(git reflog | wc -l) &&
248 main_entry_count=$(git reflog show main | wc -l) &&
249
250 test $HEAD_entry_count = 5 &&
251 test $main_entry_count = 5 &&
252
253
254 git reflog delete main@{1} &&
255 git reflog show main > output &&
256 test_line_count = $(($main_entry_count - 1)) output &&
257 test $HEAD_entry_count = $(git reflog | wc -l) &&
258 ! grep ox < output &&
259
260 main_entry_count=$(wc -l < output) &&
261
262 git reflog delete HEAD@{1} &&
263 test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
264 test $main_entry_count = $(git reflog show main | wc -l) &&
265
266 HEAD_entry_count=$(git reflog | wc -l) &&
267
268 git reflog delete main@{07.04.2005.15:15:00.-0700} &&
269 git reflog show main > output &&
270 test_line_count = $(($main_entry_count - 1)) output &&
271 ! grep dragon < output
272
273'
274
275test_expect_success 'rewind2' '
276
277 test_tick && git reset --hard HEAD~2 &&
278 git reflog refs/heads/main >output &&
279 test_line_count = 4 output
280'
281
282test_expect_success '--expire=never' '
283
284 git reflog expire --verbose \
285 --expire=never \
286 --expire-unreachable=never \
287 --all &&
288 git reflog refs/heads/main >output &&
289 test_line_count = 4 output
290'
291
292test_expect_success 'gc.reflogexpire=never' '
293 test_config gc.reflogexpire never &&
294 test_config gc.reflogexpireunreachable never &&
295
296 git reflog expire --verbose --all >output &&
297 test_line_count = 9 output &&
298
299 git reflog refs/heads/main >output &&
300 test_line_count = 4 output
301'
302
303test_expect_success 'gc.reflogexpire=false' '
304 test_config gc.reflogexpire false &&
305 test_config gc.reflogexpireunreachable false &&
306
307 git reflog expire --verbose --all &&
308 git reflog refs/heads/main >output &&
309 test_line_count = 4 output
310
311'
312
313test_expect_success 'git reflog expire unknown reference' '
314 test_config gc.reflogexpire never &&
315 test_config gc.reflogexpireunreachable never &&
316
317 test_must_fail git reflog expire main@{123} 2>stderr &&
318 test_grep "error: reflog could not be found: ${SQ}main@{123}${SQ}" stderr &&
319 test_must_fail git reflog expire does-not-exist 2>stderr &&
320 test_grep "error: reflog could not be found: ${SQ}does-not-exist${SQ}" stderr
321'
322
323test_expect_success 'checkout should not delete log for packed ref' '
324 test $(git reflog main | wc -l) = 4 &&
325 git branch foo &&
326 git pack-refs --all &&
327 git checkout foo &&
328 test $(git reflog main | wc -l) = 4
329'
330
331test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
332 test_when_finished "git branch -d one || git branch -d one/two" &&
333
334 git branch one/two main &&
335 echo "one/two@{0} branch: Created from main" >expect &&
336 git log -g --format="%gd %gs" one/two >actual &&
337 test_cmp expect actual &&
338 git branch -d one/two &&
339
340 # now logs/refs/heads/one is a stale directory, but
341 # we should move it out of the way to create "one" reflog
342 git branch one main &&
343 echo "one@{0} branch: Created from main" >expect &&
344 git log -g --format="%gd %gs" one >actual &&
345 test_cmp expect actual
346'
347
348test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
349 test_when_finished "git branch -d one || git branch -d one/two" &&
350
351 git branch one/two main &&
352 echo "one/two@{0} branch: Created from main" >expect &&
353 git log -g --format="%gd %gs" one/two >actual &&
354 test_cmp expect actual &&
355 git branch -d one/two &&
356
357 # same as before, but we only create a reflog for "one" if
358 # it already exists, which it does not
359 git -c core.logallrefupdates=false branch one main &&
360 git log -g --format="%gd %gs" one >actual &&
361 test_must_be_empty actual
362'
363
364test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
365 git update-ref --create-reflog -m "Creating ref" \
366 refs/tests/tree-in-reflog HEAD &&
367 git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
368 git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
369 git reflog refs/tests/tree-in-reflog
370'
371
372test_expect_failure 'reflog with non-commit entries displays all entries' '
373 git reflog refs/tests/tree-in-reflog >actual &&
374 test_line_count = 3 actual
375'
376
377test_expect_success 'continue walking past root commits' '
378 git init orphanage &&
379 (
380 cd orphanage &&
381 cat >expect <<-\EOF &&
382 HEAD@{0} commit (initial): orphan2-1
383 HEAD@{1} commit: orphan1-2
384 HEAD@{2} commit (initial): orphan1-1
385 HEAD@{3} commit (initial): initial
386 EOF
387 test_commit initial &&
388 git checkout --orphan orphan1 &&
389 test_commit orphan1-1 &&
390 test_commit orphan1-2 &&
391 git checkout --orphan orphan2 &&
392 test_commit orphan2-1 &&
393 git log -g --format="%gd %gs" >actual &&
394 test_cmp expect actual
395 )
396'
397
398test_expect_success 'expire with multiple worktrees' '
399 git init main-wt &&
400 (
401 cd main-wt &&
402 test_tick &&
403 test_commit foo &&
404 git worktree add link-wt &&
405 test_tick &&
406 test_commit -C link-wt foobar &&
407 test_tick &&
408 git reflog expire --verbose --all --expire=$test_tick &&
409 test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD >actual &&
410 test_must_be_empty actual
411 )
412'
413
414test_expect_success 'expire one of multiple worktrees' '
415 git init main-wt2 &&
416 (
417 cd main-wt2 &&
418 test_tick &&
419 test_commit foo &&
420 git worktree add link-wt &&
421 test_tick &&
422 test_commit -C link-wt foobar &&
423 test_tick &&
424 test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
425 >expect-link-wt &&
426 git reflog expire --verbose --all --expire=$test_tick \
427 --single-worktree &&
428 test-tool ref-store worktree:main for-each-reflog-ent HEAD \
429 >actual-main &&
430 test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
431 >actual-link-wt &&
432 test_must_be_empty actual-main &&
433 test_cmp expect-link-wt actual-link-wt
434 )
435'
436
437test_expect_success 'empty reflog' '
438 test_when_finished "rm -rf empty" &&
439 git init empty &&
440 test_commit -C empty A &&
441 test-tool ref-store main create-reflog refs/heads/foo &&
442 git -C empty reflog expire --all 2>err &&
443 test_must_be_empty err
444'
445
446test_expect_success 'list reflogs' '
447 test_when_finished "rm -rf repo" &&
448 git init repo &&
449 (
450 cd repo &&
451 git reflog list >actual &&
452 test_must_be_empty actual &&
453
454 test_commit A &&
455 cat >expect <<-EOF &&
456 HEAD
457 refs/heads/main
458 EOF
459 git reflog list >actual &&
460 test_cmp expect actual &&
461
462 git branch b &&
463 cat >expect <<-EOF &&
464 HEAD
465 refs/heads/b
466 refs/heads/main
467 EOF
468 git reflog list >actual &&
469 test_cmp expect actual
470 )
471'
472
473test_expect_success 'list reflogs with worktree' '
474 test_when_finished "rm -rf repo" &&
475 git init repo &&
476 (
477 cd repo &&
478
479 test_commit A &&
480 git worktree add wt &&
481 git -c core.logAllRefUpdates=always \
482 update-ref refs/worktree/main HEAD &&
483 git -c core.logAllRefUpdates=always \
484 update-ref refs/worktree/per-worktree HEAD &&
485 git -c core.logAllRefUpdates=always -C wt \
486 update-ref refs/worktree/per-worktree HEAD &&
487 git -c core.logAllRefUpdates=always -C wt \
488 update-ref refs/worktree/worktree HEAD &&
489
490 cat >expect <<-EOF &&
491 HEAD
492 refs/heads/main
493 refs/heads/wt
494 refs/worktree/main
495 refs/worktree/per-worktree
496 EOF
497 git reflog list >actual &&
498 test_cmp expect actual &&
499
500 cat >expect <<-EOF &&
501 HEAD
502 refs/heads/main
503 refs/heads/wt
504 refs/worktree/per-worktree
505 refs/worktree/worktree
506 EOF
507 git -C wt reflog list >actual &&
508 test_cmp expect actual
509 )
510'
511
512test_expect_success 'reflog list returns error with additional args' '
513 cat >expect <<-EOF &&
514 error: list does not accept arguments: ${SQ}bogus${SQ}
515 EOF
516 test_must_fail git reflog list bogus 2>err &&
517 test_cmp expect err
518'
519
520test_expect_success 'reflog for symref with unborn target can be listed' '
521 test_when_finished "rm -rf repo" &&
522 git init repo &&
523 (
524 cd repo &&
525 test_commit A &&
526 git symbolic-ref HEAD refs/heads/unborn &&
527 cat >expect <<-EOF &&
528 HEAD
529 refs/heads/main
530 EOF
531 git reflog list >actual &&
532 test_cmp expect actual
533 )
534'
535
536test_expect_success 'reflog with invalid object ID can be listed' '
537 test_when_finished "rm -rf repo" &&
538 git init repo &&
539 (
540 cd repo &&
541 test_commit A &&
542 test-tool ref-store main update-ref msg refs/heads/missing \
543 $(test_oid deadbeef) "$ZERO_OID" REF_SKIP_OID_VERIFICATION &&
544 cat >expect <<-EOF &&
545 HEAD
546 refs/heads/main
547 refs/heads/missing
548 EOF
549 git reflog list >actual &&
550 test_cmp expect actual
551 )
552'
553
554test_expect_success 'reflog drop non-existent ref' '
555 test_when_finished "rm -rf repo" &&
556 git init repo &&
557 (
558 cd repo &&
559 test_must_fail git reflog exists refs/heads/non-existent &&
560 test_must_fail git reflog drop refs/heads/non-existent 2>stderr &&
561 test_grep "error: reflog could not be found: ${SQ}refs/heads/non-existent${SQ}" stderr
562 )
563'
564
565test_expect_success 'reflog drop' '
566 test_when_finished "rm -rf repo" &&
567 git init repo &&
568 (
569 cd repo &&
570 test_commit A &&
571 test_commit_bulk --ref=refs/heads/branch 1 &&
572 git reflog exists refs/heads/main &&
573 git reflog exists refs/heads/branch &&
574 git reflog drop refs/heads/main &&
575 test_must_fail git reflog exists refs/heads/main &&
576 git reflog exists refs/heads/branch
577 )
578'
579
580test_expect_success 'reflog drop multiple references' '
581 test_when_finished "rm -rf repo" &&
582 git init repo &&
583 (
584 cd repo &&
585 test_commit A &&
586 test_commit_bulk --ref=refs/heads/branch 1 &&
587 git reflog exists refs/heads/main &&
588 git reflog exists refs/heads/branch &&
589 git reflog drop refs/heads/main refs/heads/branch &&
590 test_must_fail git reflog exists refs/heads/main &&
591 test_must_fail git reflog exists refs/heads/branch
592 )
593'
594
595test_expect_success 'reflog drop multiple references some non-existent' '
596 test_when_finished "rm -rf repo" &&
597 git init repo &&
598 (
599 cd repo &&
600 test_commit A &&
601 test_commit_bulk --ref=refs/heads/branch 1 &&
602 git reflog exists refs/heads/main &&
603 git reflog exists refs/heads/branch &&
604 test_must_fail git reflog exists refs/heads/non-existent &&
605 test_must_fail git reflog drop refs/heads/main refs/heads/non-existent refs/heads/branch 2>stderr &&
606 test_must_fail git reflog exists refs/heads/main &&
607 test_must_fail git reflog exists refs/heads/branch &&
608 test_must_fail git reflog exists refs/heads/non-existent &&
609 test_grep "error: reflog could not be found: ${SQ}refs/heads/non-existent${SQ}" stderr
610 )
611'
612
613test_expect_success 'reflog drop --all' '
614 test_when_finished "rm -rf repo" &&
615 git init repo &&
616 (
617 cd repo &&
618 test_commit A &&
619 test_commit_bulk --ref=refs/heads/branch 1 &&
620 git reflog exists refs/heads/main &&
621 git reflog exists refs/heads/branch &&
622 git reflog drop --all &&
623 test_must_fail git reflog exists refs/heads/main &&
624 test_must_fail git reflog exists refs/heads/branch
625 )
626'
627
628test_expect_success 'reflog drop --all multiple worktrees' '
629 test_when_finished "rm -rf repo" &&
630 test_when_finished "rm -rf wt" &&
631 git init repo &&
632 (
633 cd repo &&
634 test_commit A &&
635 git worktree add ../wt &&
636 test_commit_bulk -C ../wt --ref=refs/heads/branch 1 &&
637 git reflog exists refs/heads/main &&
638 git reflog exists refs/heads/branch &&
639 git reflog drop --all &&
640 test_must_fail git reflog exists refs/heads/main &&
641 test_must_fail git reflog exists refs/heads/branch
642 )
643'
644
645test_expect_success 'reflog drop --all --single-worktree' '
646 test_when_finished "rm -rf repo" &&
647 test_when_finished "rm -rf wt" &&
648 git init repo &&
649 (
650 cd repo &&
651 test_commit A &&
652 git worktree add ../wt &&
653 test_commit -C ../wt foobar &&
654 git reflog exists refs/heads/main &&
655 git reflog exists refs/heads/wt &&
656 test-tool ref-store worktree:wt reflog-exists HEAD &&
657 git reflog drop --all --single-worktree &&
658 test_must_fail git reflog exists refs/heads/main &&
659 test_must_fail git reflog exists refs/heads/wt &&
660 test_must_fail test-tool ref-store worktree:main reflog-exists HEAD &&
661 test-tool ref-store worktree:wt reflog-exists HEAD
662 )
663'
664
665test_expect_success 'reflog drop --all with reference' '
666 test_when_finished "rm -rf repo" &&
667 git init repo &&
668 (
669 cd repo &&
670 test_commit A &&
671 test_must_fail git reflog drop --all refs/heads/main 2>stderr &&
672 test_grep "usage: references specified along with --all" stderr
673 )
674'
675
676test_expect_success 'expire with pattern config' '
677 # Split refs/heads/ into two roots so we can apply config to each. Make
678 # two branches per root to verify that config is applied correctly
679 # multiple times.
680 git branch root1/branch1 &&
681 git branch root1/branch2 &&
682 git branch root2/branch1 &&
683 git branch root2/branch2 &&
684
685 test_config "gc.reflogexpire" "never" &&
686 test_config "gc.refs/heads/root2/*.reflogExpire" "now" &&
687 git reflog expire \
688 root1/branch1 root1/branch2 \
689 root2/branch1 root2/branch2 &&
690
691 cat >expect <<-\EOF &&
692 root1/branch1@{0}
693 root1/branch2@{0}
694 EOF
695 git log -g --branches="root*" --format=%gD >actual.raw &&
696 # The sole reflog entry of each branch points to the same commit, so
697 # the order in which they are shown is nondeterministic. We just care
698 # about the what was expired (and what was not), so sort to get a known
699 # order.
700 sort <actual.raw >actual.sorted &&
701 test_cmp expect actual.sorted
702'
703
704test_done