3 # Copyright (c) 2007 Christian Couder
5 test_description='Tests git bisect functionality'
16 if [ -f "$_file" ]; then
17 echo "$_line" >> $_file || return $?
18 MSG="Add <$_line> into <$_file>."
20 echo "$_line" > $_file || return $?
21 git add $_file || return $?
22 MSG="Create file <$_file> with <$_line> inside."
26 git commit --quiet -m "$MSG" $_file
34 test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' '
35 add_line_into_file "1: Hello World" hello &&
36 HASH1=$(git rev-parse --verify HEAD) &&
37 add_line_into_file "2: A new day for git" hello &&
38 HASH2=$(git rev-parse --verify HEAD) &&
39 add_line_into_file "3: Another new day for git" hello &&
40 HASH3=$(git rev-parse --verify HEAD) &&
41 add_line_into_file "4: Ciao for now" hello &&
42 HASH4=$(git rev-parse --verify HEAD)
45 test_expect_success 'bisect starts with only one bad' '
48 git bisect bad $HASH4 &&
52 test_expect_success 'bisect does not start with only one good' '
55 git bisect good $HASH1 &&
56 test_must_fail git bisect next
59 test_expect_success 'bisect start with one bad and good' '
62 git bisect good $HASH1 &&
63 git bisect bad $HASH4 &&
67 test_expect_success 'bisect fails if given any junk instead of revs' '
69 test_must_fail git bisect start foo $HASH1 -- &&
70 test_must_fail git bisect start $HASH4 $HASH1 bar -- &&
71 test -z "$(git for-each-ref "refs/bisect/*")" &&
72 test -z "$(ls .git/BISECT_* 2>/dev/null)" &&
74 test_must_fail git bisect good foo $HASH1 &&
75 test_must_fail git bisect good $HASH1 bar &&
76 test_must_fail git bisect bad frotz &&
77 test_must_fail git bisect bad $HASH3 $HASH4 &&
78 test_must_fail git bisect skip bar $HASH3 &&
79 test_must_fail git bisect skip $HASH1 foo &&
80 test -z "$(git for-each-ref "refs/bisect/*")" &&
81 git bisect good $HASH1 &&
85 test_expect_success 'bisect reset: back in the master branch' '
87 echo "* master" > branch.expect &&
88 git branch > branch.output &&
89 cmp branch.expect branch.output
92 test_expect_success 'bisect reset: back in another branch' '
93 git checkout -b other &&
95 git bisect good $HASH1 &&
96 git bisect bad $HASH3 &&
98 echo " master" > branch.expect &&
99 echo "* other" >> branch.expect &&
100 git branch > branch.output &&
101 cmp branch.expect branch.output
104 test_expect_success 'bisect reset when not bisecting' '
106 git branch > branch.output &&
107 cmp branch.expect branch.output
110 test_expect_success 'bisect reset removes packed refs' '
113 git bisect good $HASH1 &&
114 git bisect bad $HASH3 &&
115 git pack-refs --all --prune &&
118 test -z "$(git for-each-ref "refs/bisect/*")" &&
119 test -z "$(git for-each-ref "refs/heads/bisect")"
122 test_expect_success 'bisect reset removes bisect state after --no-checkout' '
124 git bisect start --no-checkout &&
125 git bisect good $HASH1 &&
126 git bisect bad $HASH3 &&
129 test -z "$(git for-each-ref "refs/bisect/*")" &&
130 test -z "$(git for-each-ref "refs/heads/bisect")" &&
131 test -z "$(git for-each-ref "BISECT_HEAD")"
134 test_expect_success 'bisect start: back in good branch' '
135 git branch > branch.output &&
136 grep "* other" branch.output > /dev/null &&
137 git bisect start $HASH4 $HASH1 -- &&
139 git bisect start $HASH4 $HASH1 -- &&
142 git branch > branch.output &&
143 grep "* other" branch.output > /dev/null
146 test_expect_success 'bisect start: no ".git/BISECT_START" created if junk rev' '
148 test_must_fail git bisect start $HASH4 foo -- &&
149 git branch > branch.output &&
150 grep "* other" branch.output > /dev/null &&
151 test_path_is_missing .git/BISECT_START
154 test_expect_success 'bisect start: existing ".git/BISECT_START" not modified if junk rev' '
155 git bisect start $HASH4 $HASH1 -- &&
157 cp .git/BISECT_START saved &&
158 test_must_fail git bisect start $HASH4 foo -- &&
159 git branch > branch.output &&
160 test_i18ngrep "* (no branch, bisect started on other)" branch.output > /dev/null &&
161 test_cmp saved .git/BISECT_START
163 test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' '
164 git bisect start $HASH4 $HASH1 -- &&
166 test_must_fail git bisect start $HASH1 $HASH4 -- &&
167 git branch > branch.output &&
168 grep "* other" branch.output > /dev/null &&
169 test_path_is_missing .git/BISECT_START
172 test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' '
173 echo "temp stuff" > hello &&
174 test_must_fail git bisect start $HASH4 $HASH1 -- &&
176 git branch > branch.output &&
177 grep "* other" branch.output > /dev/null &&
178 test_path_is_missing .git/BISECT_START &&
179 test -z "$(git for-each-ref "refs/bisect/*")" &&
180 git checkout HEAD hello
183 # $HASH1 is good, $HASH4 is bad, we skip $HASH3
185 # so we should find $HASH2 as the first bad commit
186 test_expect_success 'bisect skip: successful result' '
187 test_when_finished git bisect reset &&
189 git bisect start $HASH4 $HASH1 &&
191 git bisect bad > my_bisect_log.txt &&
192 grep "$HASH2 is the first bad commit" my_bisect_log.txt
195 # $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2
196 # so we should not be able to tell the first bad commit
197 # among $HASH2, $HASH3 and $HASH4
198 test_expect_success 'bisect skip: cannot tell between 3 commits' '
199 test_when_finished git bisect reset &&
200 git bisect start $HASH4 $HASH1 &&
202 test_expect_code 2 git bisect skip >my_bisect_log.txt &&
203 grep "first bad commit could be any of" my_bisect_log.txt &&
204 ! grep $HASH1 my_bisect_log.txt &&
205 grep $HASH2 my_bisect_log.txt &&
206 grep $HASH3 my_bisect_log.txt &&
207 grep $HASH4 my_bisect_log.txt
210 # $HASH1 is good, $HASH4 is bad, we skip $HASH3
211 # but $HASH2 is good,
212 # so we should not be able to tell the first bad commit
213 # among $HASH3 and $HASH4
214 test_expect_success 'bisect skip: cannot tell between 2 commits' '
215 test_when_finished git bisect reset &&
216 git bisect start $HASH4 $HASH1 &&
218 test_expect_code 2 git bisect good >my_bisect_log.txt &&
219 grep "first bad commit could be any of" my_bisect_log.txt &&
220 ! grep $HASH1 my_bisect_log.txt &&
221 ! grep $HASH2 my_bisect_log.txt &&
222 grep $HASH3 my_bisect_log.txt &&
223 grep $HASH4 my_bisect_log.txt
226 # $HASH1 is good, $HASH4 is both skipped and bad, we skip $HASH3
227 # and $HASH2 is good,
228 # so we should not be able to tell the first bad commit
229 # among $HASH3 and $HASH4
230 test_expect_success 'bisect skip: with commit both bad and skipped' '
231 test_when_finished git bisect reset &&
235 git bisect good $HASH1 &&
237 test_expect_code 2 git bisect good >my_bisect_log.txt &&
238 grep "first bad commit could be any of" my_bisect_log.txt &&
239 ! grep $HASH1 my_bisect_log.txt &&
240 ! grep $HASH2 my_bisect_log.txt &&
241 grep $HASH3 my_bisect_log.txt &&
242 grep $HASH4 my_bisect_log.txt
245 # We want to automatically find the commit that
246 # added "Another" into hello.
247 test_expect_success '"git bisect run" simple case' '
248 write_script test_script.sh <<-\EOF &&
249 ! grep Another hello >/dev/null
252 git bisect good $HASH1 &&
253 git bisect bad $HASH4 &&
254 git bisect run ./test_script.sh >my_bisect_log.txt &&
255 grep "$HASH3 is the first bad commit" my_bisect_log.txt &&
259 # We want to automatically find the commit that
260 # added "Ciao" into hello.
261 test_expect_success '"git bisect run" with more complex "git bisect start"' '
262 write_script test_script.sh <<-\EOF &&
263 ! grep Ciao hello >/dev/null
265 git bisect start $HASH4 $HASH1 &&
266 git bisect run ./test_script.sh >my_bisect_log.txt &&
267 grep "$HASH4 is the first bad commit" my_bisect_log.txt &&
271 # $HASH1 is good, $HASH5 is bad, we skip $HASH3
272 # but $HASH4 is good,
273 # so we should find $HASH5 as the first bad commit
275 test_expect_success 'bisect skip: add line and then a new test' '
276 add_line_into_file "5: Another new line." hello &&
277 HASH5=$(git rev-parse --verify HEAD) &&
278 git bisect start $HASH5 $HASH1 &&
280 git bisect good > my_bisect_log.txt &&
281 grep "$HASH5 is the first bad commit" my_bisect_log.txt &&
282 git bisect log > log_to_replay.txt &&
286 test_expect_success 'bisect skip and bisect replay' '
287 git bisect replay log_to_replay.txt > my_bisect_log.txt &&
288 grep "$HASH5 is the first bad commit" my_bisect_log.txt &&
293 test_expect_success 'bisect run & skip: cannot tell between 2' '
294 add_line_into_file "6: Yet a line." hello &&
295 HASH6=$(git rev-parse --verify HEAD) &&
296 write_script test_script.sh <<-\EOF &&
297 sed -ne \$p hello | grep Ciao >/dev/null && exit 125
298 ! grep line hello >/dev/null
300 git bisect start $HASH6 $HASH1 &&
301 test_expect_code 2 git bisect run ./test_script.sh >my_bisect_log.txt &&
302 grep "first bad commit could be any of" my_bisect_log.txt &&
303 ! grep $HASH3 my_bisect_log.txt &&
304 ! grep $HASH6 my_bisect_log.txt &&
305 grep $HASH4 my_bisect_log.txt &&
306 grep $HASH5 my_bisect_log.txt
310 test_expect_success 'bisect run & skip: find first bad' '
312 add_line_into_file "7: Should be the last line." hello &&
313 HASH7=$(git rev-parse --verify HEAD) &&
314 write_script test_script.sh <<-\EOF &&
315 sed -ne \$p hello | grep Ciao >/dev/null && exit 125
316 sed -ne \$p hello | grep day >/dev/null && exit 125
317 ! grep Yet hello >/dev/null
319 git bisect start $HASH7 $HASH1 &&
320 git bisect run ./test_script.sh >my_bisect_log.txt &&
321 grep "$HASH6 is the first bad commit" my_bisect_log.txt
324 test_expect_success 'bisect skip only one range' '
326 git bisect start $HASH7 $HASH1 &&
327 git bisect skip $HASH1..$HASH5 &&
328 test "$HASH6" = "$(git rev-parse --verify HEAD)" &&
329 test_must_fail git bisect bad > my_bisect_log.txt &&
330 grep "first bad commit could be any of" my_bisect_log.txt
333 test_expect_success 'bisect skip many ranges' '
334 git bisect start $HASH7 $HASH1 &&
335 test "$HASH4" = "$(git rev-parse --verify HEAD)" &&
336 git bisect skip $HASH2 $HASH2.. ..$HASH5 &&
337 test "$HASH6" = "$(git rev-parse --verify HEAD)" &&
338 test_must_fail git bisect bad > my_bisect_log.txt &&
339 grep "first bad commit could be any of" my_bisect_log.txt
342 test_expect_success 'bisect starting with a detached HEAD' '
344 git checkout master^ &&
345 HEAD=$(git rev-parse --verify HEAD) &&
347 test $HEAD = $(cat .git/BISECT_START) &&
349 test $HEAD = $(git rev-parse --verify HEAD)
352 test_expect_success 'bisect errors out if bad and good are mistaken' '
354 test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error &&
355 test_i18ngrep "mistook good and bad" rev_list_error &&
359 test_expect_success 'bisect does not create a "bisect" branch' '
361 git bisect start $HASH7 $HASH1 &&
363 rev_hash4=$(git rev-parse --verify HEAD) &&
364 test "$rev_hash4" = "$HASH4" &&
365 git branch -D bisect &&
368 rev_hash6=$(git rev-parse --verify HEAD) &&
369 test "$rev_hash6" = "$HASH6" &&
370 git bisect good > my_bisect_log.txt &&
371 grep "$HASH7 is the first bad commit" my_bisect_log.txt &&
373 rev_hash6=$(git rev-parse --verify bisect) &&
374 test "$rev_hash6" = "$HASH6" &&
378 # This creates a "side" branch to test "siblings" cases.
380 # H1-H2-H3-H4-H5-H6-H7 <--other
384 test_expect_success 'side branch creation' '
386 git checkout -b side $HASH4 &&
387 add_line_into_file "5(side): first line on a side branch" hello2 &&
388 SIDE_HASH5=$(git rev-parse --verify HEAD) &&
389 add_line_into_file "6(side): second line on a side branch" hello2 &&
390 SIDE_HASH6=$(git rev-parse --verify HEAD) &&
391 add_line_into_file "7(side): third line on a side branch" hello2 &&
392 SIDE_HASH7=$(git rev-parse --verify HEAD)
395 test_expect_success 'good merge base when good and bad are siblings' '
396 git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt &&
397 test_i18ngrep "merge base must be tested" my_bisect_log.txt &&
398 grep $HASH4 my_bisect_log.txt &&
399 git bisect good > my_bisect_log.txt &&
400 ! grep "merge base must be tested" my_bisect_log.txt &&
401 grep $HASH6 my_bisect_log.txt &&
404 test_expect_success 'skipped merge base when good and bad are siblings' '
405 git bisect start "$SIDE_HASH7" "$HASH7" > my_bisect_log.txt &&
406 test_i18ngrep "merge base must be tested" my_bisect_log.txt &&
407 grep $HASH4 my_bisect_log.txt &&
408 git bisect skip > my_bisect_log.txt 2>&1 &&
409 grep "warning" my_bisect_log.txt &&
410 grep $SIDE_HASH6 my_bisect_log.txt &&
414 test_expect_success 'bad merge base when good and bad are siblings' '
415 git bisect start "$HASH7" HEAD > my_bisect_log.txt &&
416 test_i18ngrep "merge base must be tested" my_bisect_log.txt &&
417 grep $HASH4 my_bisect_log.txt &&
418 test_must_fail git bisect bad > my_bisect_log.txt 2>&1 &&
419 test_i18ngrep "merge base $HASH4 is bad" my_bisect_log.txt &&
420 test_i18ngrep "fixed between $HASH4 and \[$SIDE_HASH7\]" my_bisect_log.txt &&
424 # This creates a few more commits (A and B) to test "siblings" cases
425 # when a good and a bad rev have many merge bases.
427 # We should have the following:
429 # H1-H2-H3-H4-H5-H6-H7
435 # And there A and B have 2 merge bases (S5 and H5) that should be
436 # reported by "git merge-base --all A B".
438 test_expect_success 'many merge bases creation' '
439 git checkout "$SIDE_HASH5" &&
440 git merge -m "merge HASH5 and SIDE_HASH5" "$HASH5" &&
441 A_HASH=$(git rev-parse --verify HEAD) &&
443 git merge -m "merge HASH7 and SIDE_HASH7" "$HASH7" &&
444 B_HASH=$(git rev-parse --verify HEAD) &&
445 git merge-base --all "$A_HASH" "$B_HASH" > merge_bases.txt &&
446 test_line_count = 2 merge_bases.txt &&
447 grep "$HASH5" merge_bases.txt &&
448 grep "$SIDE_HASH5" merge_bases.txt
451 # We want to automatically find the merge that
452 # added "line" into hello.
453 test_expect_success '"git bisect run --first-parent" simple case' '
454 git rev-list --first-parent $B_HASH ^$HASH4 >first_parent_chain.txt &&
455 write_script test_script.sh <<-\EOF &&
456 grep $(git rev-parse HEAD) first_parent_chain.txt || exit -1
457 ! grep line hello >/dev/null
459 git bisect start --first-parent &&
460 test_path_is_file ".git/BISECT_FIRST_PARENT" &&
461 git bisect good $HASH4 &&
462 git bisect bad $B_HASH &&
463 git bisect run ./test_script.sh >my_bisect_log.txt &&
464 grep "$B_HASH is the first bad commit" my_bisect_log.txt &&
466 test_path_is_missing .git/BISECT_FIRST_PARENT
469 test_expect_success 'good merge bases when good and bad are siblings' '
470 git bisect start "$B_HASH" "$A_HASH" > my_bisect_log.txt &&
471 test_i18ngrep "merge base must be tested" my_bisect_log.txt &&
472 git bisect good > my_bisect_log2.txt &&
473 test_i18ngrep "merge base must be tested" my_bisect_log2.txt &&
476 grep "$SIDE_HASH5" my_bisect_log.txt &&
477 grep "$HASH5" my_bisect_log2.txt
479 grep "$SIDE_HASH5" my_bisect_log2.txt &&
480 grep "$HASH5" my_bisect_log.txt
486 test_expect_success 'optimized merge base checks' '
487 git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt &&
488 test_i18ngrep "merge base must be tested" my_bisect_log.txt &&
489 grep "$HASH4" my_bisect_log.txt &&
490 git bisect good > my_bisect_log2.txt &&
491 test -f ".git/BISECT_ANCESTORS_OK" &&
492 test "$HASH6" = $(git rev-parse --verify HEAD) &&
494 git bisect good "$A_HASH" > my_bisect_log4.txt &&
495 test_i18ngrep "merge base must be tested" my_bisect_log4.txt &&
496 test_path_is_missing ".git/BISECT_ANCESTORS_OK"
499 # This creates another side branch called "parallel" with some files
500 # in some directories, to test bisecting with paths.
502 # We should have the following:
504 # P1-P2-P3-P4-P5-P6-P7
506 # H1-H2-H3-H4-H5-H6-H7
512 test_expect_success '"parallel" side branch creation' '
514 git checkout -b parallel $HASH1 &&
516 add_line_into_file "1(para): line 1 on parallel branch" dir1/file1 &&
517 PARA_HASH1=$(git rev-parse --verify HEAD) &&
518 add_line_into_file "2(para): line 2 on parallel branch" dir2/file2 &&
519 PARA_HASH2=$(git rev-parse --verify HEAD) &&
520 add_line_into_file "3(para): line 3 on parallel branch" dir2/file3 &&
521 PARA_HASH3=$(git rev-parse --verify HEAD) &&
522 git merge -m "merge HASH4 and PARA_HASH3" "$HASH4" &&
523 PARA_HASH4=$(git rev-parse --verify HEAD) &&
524 add_line_into_file "5(para): add line on parallel branch" dir1/file1 &&
525 PARA_HASH5=$(git rev-parse --verify HEAD) &&
526 add_line_into_file "6(para): add line on parallel branch" dir2/file2 &&
527 PARA_HASH6=$(git rev-parse --verify HEAD) &&
528 git merge -m "merge HASH7 and PARA_HASH6" "$HASH7" &&
529 PARA_HASH7=$(git rev-parse --verify HEAD)
532 test_expect_success 'restricting bisection on one dir' '
534 git bisect start HEAD $HASH1 -- dir1 &&
535 para1=$(git rev-parse --verify HEAD) &&
536 test "$para1" = "$PARA_HASH1" &&
537 git bisect bad > my_bisect_log.txt &&
538 grep "$PARA_HASH1 is the first bad commit" my_bisect_log.txt
541 test_expect_success 'restricting bisection on one dir and a file' '
543 git bisect start HEAD $HASH1 -- dir1 hello &&
544 para4=$(git rev-parse --verify HEAD) &&
545 test "$para4" = "$PARA_HASH4" &&
547 hash3=$(git rev-parse --verify HEAD) &&
548 test "$hash3" = "$HASH3" &&
550 hash4=$(git rev-parse --verify HEAD) &&
551 test "$hash4" = "$HASH4" &&
553 para1=$(git rev-parse --verify HEAD) &&
554 test "$para1" = "$PARA_HASH1" &&
555 git bisect good > my_bisect_log.txt &&
556 grep "$PARA_HASH4 is the first bad commit" my_bisect_log.txt
559 test_expect_success 'skipping away from skipped commit' '
560 git bisect start $PARA_HASH7 $HASH1 &&
561 para4=$(git rev-parse --verify HEAD) &&
562 test "$para4" = "$PARA_HASH4" &&
564 hash7=$(git rev-parse --verify HEAD) &&
565 test "$hash7" = "$HASH7" &&
567 para3=$(git rev-parse --verify HEAD) &&
568 test "$para3" = "$PARA_HASH3"
571 test_expect_success 'erroring out when using bad path parameters' '
572 test_must_fail git bisect start $PARA_HASH7 $HASH1 -- foobar 2> error.txt &&
573 test_i18ngrep "bad path parameters" error.txt
576 test_expect_success 'test bisection on bare repo - --no-checkout specified' '
577 git clone --bare . bare.nocheckout &&
579 cd bare.nocheckout &&
580 git bisect start --no-checkout &&
581 git bisect good $HASH1 &&
582 git bisect bad $HASH4 &&
583 git bisect run eval \
584 "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \
587 grep "$HASH3 is the first bad commit" nocheckout.log
591 test_expect_success 'test bisection on bare repo - --no-checkout defaulted' '
592 git clone --bare . bare.defaulted &&
596 git bisect good $HASH1 &&
597 git bisect bad $HASH4 &&
598 git bisect run eval \
599 "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \
602 grep "$HASH3 is the first bad commit" defaulted.log
606 # This creates a broken branch which cannot be checked out because
607 # the tree created has been deleted.
609 # H1-H2-H3-H4-H5-H6-H7 <--other
611 # S5-S6'-S7'-S8'-S9 <--broken
613 # Commits marked with ' have a missing tree.
615 test_expect_success 'broken branch creation' '
617 git checkout -b broken $HASH4 &&
618 git tag BROKEN_HASH4 $HASH4 &&
619 add_line_into_file "5(broken): first line on a broken branch" hello2 &&
620 git tag BROKEN_HASH5 &&
622 :> missing/MISSING &&
623 git add missing/MISSING &&
624 git commit -m "6(broken): Added file that will be deleted" &&
625 git tag BROKEN_HASH6 &&
626 deleted=$(git rev-parse --verify HEAD:missing) &&
627 add_line_into_file "7(broken): second line on a broken branch" hello2 &&
628 git tag BROKEN_HASH7 &&
629 add_line_into_file "8(broken): third line on a broken branch" hello2 &&
630 git tag BROKEN_HASH8 &&
631 git rm missing/MISSING &&
632 git commit -m "9(broken): Remove missing file" &&
633 git tag BROKEN_HASH9 &&
634 rm .git/objects/$(test_oid_to_path $deleted)
637 echo "" > expected.ok
638 cat > expected.missing-tree.default <<EOF
639 fatal: unable to read tree $deleted
642 test_expect_success 'bisect fails if tree is broken on start commit' '
644 test_must_fail git bisect start BROKEN_HASH7 BROKEN_HASH4 2>error.txt &&
645 test_cmp expected.missing-tree.default error.txt
648 test_expect_success 'bisect fails if tree is broken on trial commit' '
650 test_must_fail git bisect start BROKEN_HASH9 BROKEN_HASH4 2>error.txt &&
651 git reset --hard broken &&
652 git checkout broken &&
653 test_cmp expected.missing-tree.default error.txt
658 echo "Checking $1 is the same as $2" &&
659 test_cmp_rev "$1" "$2"
662 test_expect_success 'bisect: --no-checkout - start commit bad' '
664 git bisect start BROKEN_HASH7 BROKEN_HASH4 --no-checkout &&
665 check_same BROKEN_HASH6 BISECT_HEAD &&
669 test_expect_success 'bisect: --no-checkout - trial commit bad' '
671 git bisect start broken BROKEN_HASH4 --no-checkout &&
672 check_same BROKEN_HASH6 BISECT_HEAD &&
676 test_expect_success 'bisect: --no-checkout - target before breakage' '
678 git bisect start broken BROKEN_HASH4 --no-checkout &&
679 check_same BROKEN_HASH6 BISECT_HEAD &&
680 git bisect bad BISECT_HEAD &&
681 check_same BROKEN_HASH5 BISECT_HEAD &&
682 git bisect bad BISECT_HEAD &&
683 check_same BROKEN_HASH5 bisect/bad &&
687 test_expect_success 'bisect: --no-checkout - target in breakage' '
689 git bisect start broken BROKEN_HASH4 --no-checkout &&
690 check_same BROKEN_HASH6 BISECT_HEAD &&
691 git bisect bad BISECT_HEAD &&
692 check_same BROKEN_HASH5 BISECT_HEAD &&
693 test_must_fail git bisect good BISECT_HEAD &&
694 check_same BROKEN_HASH6 bisect/bad &&
698 test_expect_success 'bisect: --no-checkout - target after breakage' '
700 git bisect start broken BROKEN_HASH4 --no-checkout &&
701 check_same BROKEN_HASH6 BISECT_HEAD &&
702 git bisect good BISECT_HEAD &&
703 check_same BROKEN_HASH8 BISECT_HEAD &&
704 test_must_fail git bisect good BISECT_HEAD &&
705 check_same BROKEN_HASH9 bisect/bad &&
709 test_expect_success 'bisect: demonstrate identification of damage boundary' "
711 git checkout broken &&
712 git bisect start broken master --no-checkout &&
713 test_must_fail git bisect run \"\$SHELL_PATH\" -c '
714 GOOD=\$(git for-each-ref \"--format=%(objectname)\" refs/bisect/good-*) &&
715 git rev-list --objects BISECT_HEAD --not \$GOOD >tmp.\$\$ &&
716 git pack-objects --stdout >/dev/null < tmp.\$\$
720 check_same BROKEN_HASH6 bisect/bad &&
724 cat > expected.bisect-log <<EOF
725 # bad: [$HASH4] Add <4: Ciao for now> into <hello>.
726 # good: [$HASH2] Add <2: A new day for git> into <hello>.
727 git bisect start '$HASH4' '$HASH2'
728 # good: [$HASH3] Add <3: Another new day for git> into <hello>.
729 git bisect good $HASH3
730 # first bad commit: [$HASH4] Add <4: Ciao for now> into <hello>.
733 test_expect_success 'bisect log: successful result' '
735 git bisect start $HASH4 $HASH2 &&
737 git bisect log >bisect-log.txt &&
738 test_cmp expected.bisect-log bisect-log.txt &&
742 cat > expected.bisect-skip-log <<EOF
743 # bad: [$HASH4] Add <4: Ciao for now> into <hello>.
744 # good: [$HASH2] Add <2: A new day for git> into <hello>.
745 git bisect start '$HASH4' '$HASH2'
746 # skip: [$HASH3] Add <3: Another new day for git> into <hello>.
747 git bisect skip $HASH3
748 # only skipped commits left to test
749 # possible first bad commit: [$HASH4] Add <4: Ciao for now> into <hello>.
750 # possible first bad commit: [$HASH3] Add <3: Another new day for git> into <hello>.
753 test_expect_success 'bisect log: only skip commits left' '
755 git bisect start $HASH4 $HASH2 &&
756 test_must_fail git bisect skip &&
757 git bisect log >bisect-skip-log.txt &&
758 test_cmp expected.bisect-skip-log bisect-skip-log.txt &&
762 test_expect_success '"git bisect bad HEAD" behaves as "git bisect bad"' '
763 git checkout parallel &&
764 git bisect start HEAD $HASH1 &&
765 git bisect good HEAD &&
766 git bisect bad HEAD &&
767 test "$HASH6" = $(git rev-parse --verify HEAD) &&
771 test_expect_success 'bisect starts with only one new' '
774 git bisect new $HASH4 &&
778 test_expect_success 'bisect does not start with only one old' '
781 git bisect old $HASH1 &&
782 test_must_fail git bisect next
785 test_expect_success 'bisect start with one new and old' '
788 git bisect old $HASH1 &&
789 git bisect new $HASH4 &&
791 git bisect new >bisect_result &&
792 grep "$HASH2 is the first new commit" bisect_result &&
793 git bisect log >log_to_replay.txt &&
797 test_expect_success 'bisect replay with old and new' '
798 git bisect replay log_to_replay.txt >bisect_result &&
799 grep "$HASH2 is the first new commit" bisect_result &&
803 test_expect_success 'bisect replay with CRLF log' '
804 append_cr <log_to_replay.txt >log_to_replay_crlf.txt &&
805 git bisect replay log_to_replay_crlf.txt >bisect_result_crlf &&
806 grep "$HASH2 is the first new commit" bisect_result_crlf &&
810 test_expect_success 'bisect cannot mix old/new and good/bad' '
812 git bisect bad $HASH4 &&
813 test_must_fail git bisect old $HASH1
816 test_expect_success 'bisect terms needs 0 or 1 argument' '
818 test_must_fail git bisect terms only-one &&
819 test_must_fail git bisect terms 1 2 &&
820 test_must_fail git bisect terms 2>actual &&
821 echo "error: no terms defined" >expected &&
822 test_i18ncmp expected actual
825 test_expect_success 'bisect terms shows good/bad after start' '
827 git bisect start HEAD $HASH1 &&
828 git bisect terms --term-good >actual &&
829 echo good >expected &&
830 test_cmp expected actual &&
831 git bisect terms --term-bad >actual &&
832 echo bad >expected &&
833 test_cmp expected actual
836 test_expect_success 'bisect start with one term1 and term2' '
838 git bisect start --term-old term2 --term-new term1 &&
839 git bisect term2 $HASH1 &&
840 git bisect term1 $HASH4 &&
842 git bisect term1 >bisect_result &&
843 grep "$HASH2 is the first term1 commit" bisect_result &&
844 git bisect log >log_to_replay.txt &&
848 test_expect_success 'bisect replay with term1 and term2' '
849 git bisect replay log_to_replay.txt >bisect_result &&
850 grep "$HASH2 is the first term1 commit" bisect_result &&
854 test_expect_success 'bisect start term1 term2' '
856 git bisect start --term-new term1 --term-old term2 $HASH4 $HASH1 &&
858 git bisect term1 >bisect_result &&
859 grep "$HASH2 is the first term1 commit" bisect_result &&
860 git bisect log >log_to_replay.txt &&
864 test_expect_success 'bisect cannot mix terms' '
866 git bisect start --term-good term1 --term-bad term2 $HASH4 $HASH1 &&
867 test_must_fail git bisect a &&
868 test_must_fail git bisect b &&
869 test_must_fail git bisect bad &&
870 test_must_fail git bisect good &&
871 test_must_fail git bisect new &&
872 test_must_fail git bisect old
875 test_expect_success 'bisect terms rejects invalid terms' '
877 test_must_fail git bisect start --term-good &&
878 test_must_fail git bisect start --term-good invalid..term &&
879 test_must_fail git bisect start --term-bad &&
880 test_must_fail git bisect terms --term-bad invalid..term &&
881 test_must_fail git bisect terms --term-good bad &&
882 test_must_fail git bisect terms --term-good old &&
883 test_must_fail git bisect terms --term-good skip &&
884 test_must_fail git bisect terms --term-good reset &&
885 test_path_is_missing .git/BISECT_TERMS
888 test_expect_success 'bisect start --term-* does store terms' '
890 git bisect start --term-bad=one --term-good=two &&
891 git bisect terms >actual &&
892 cat <<-EOF >expected &&
893 Your current terms are two for the old state
894 and one for the new state.
896 test_i18ncmp expected actual &&
897 git bisect terms --term-bad >actual &&
898 echo one >expected &&
899 test_cmp expected actual &&
900 git bisect terms --term-good >actual &&
901 echo two >expected &&
902 test_cmp expected actual
905 test_expect_success 'bisect start takes options and revs in any order' '
907 git bisect start --term-good one $HASH4 \
908 --term-good two --term-bad bad-term \
909 $HASH1 --term-good three -- &&
910 (git bisect terms --term-bad && git bisect terms --term-good) >actual &&
911 printf "%s\n%s\n" bad-term three >expected &&
912 test_cmp expected actual
915 test_expect_success 'git bisect reset cleans bisection state properly' '
918 git bisect good $HASH1 &&
919 git bisect bad $HASH4 &&
921 test -z "$(git for-each-ref "refs/bisect/*")" &&
922 test_path_is_missing "$GIT_DIR/BISECT_EXPECTED_REV" &&
923 test_path_is_missing "$GIT_DIR/BISECT_ANCESTORS_OK" &&
924 test_path_is_missing "$GIT_DIR/BISECT_LOG" &&
925 test_path_is_missing "$GIT_DIR/BISECT_RUN" &&
926 test_path_is_missing "$GIT_DIR/BISECT_TERMS" &&
927 test_path_is_missing "$GIT_DIR/head-name" &&
928 test_path_is_missing "$GIT_DIR/BISECT_HEAD" &&
929 test_path_is_missing "$GIT_DIR/BISECT_START"