[thirdparty/git.git] / t / t6030-bisect-porcelain.sh

#!/bin/sh
#
# Copyright (c) 2007 Christian Couder
#
test_description='Tests git-bisect functionality'

exec </dev/null

. ./test-lib.sh

add_line_into_file()
{
    _line=$1
    _file=$2

    if [ -f "$_file" ]; then
        echo "$_line" >> $_file || return $?
        MSG="Add <$_line> into <$_file>."
    else
        echo "$_line" > $_file || return $?
        git add $_file || return $?
        MSG="Create file <$_file> with <$_line> inside."
    fi

    test_tick
    git-commit --quiet -m "$MSG" $_file
}

HASH1=
HASH2=
HASH3=
HASH4=

test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' '
     add_line_into_file "1: Hello World" hello &&
     HASH1=$(git rev-parse --verify HEAD) &&
     add_line_into_file "2: A new day for git" hello &&
     HASH2=$(git rev-parse --verify HEAD) &&
     add_line_into_file "3: Another new day for git" hello &&
     HASH3=$(git rev-parse --verify HEAD) &&
     add_line_into_file "4: Ciao for now" hello &&
     HASH4=$(git rev-parse --verify HEAD)
'

test_expect_success 'bisect starts with only one bad' '
	git bisect reset &&
	git bisect start &&
	git bisect bad $HASH4 &&
	git bisect next
'

test_expect_success 'bisect does not start with only one good' '
	git bisect reset &&
	git bisect start &&
	git bisect good $HASH1 || return 1

	if git bisect next
	then
		echo Oops, should have failed.
		false
	else
		:
	fi
'

test_expect_success 'bisect start with one bad and good' '
	git bisect reset &&
	git bisect start &&
	git bisect good $HASH1 &&
	git bisect bad $HASH4 &&
	git bisect next
'

test_expect_success 'bisect fails if given any junk instead of revs' '
	git bisect reset &&
	test_must_fail git bisect start foo $HASH1 -- &&
	test_must_fail git bisect start $HASH4 $HASH1 bar -- &&
	test -z "$(git for-each-ref "refs/bisect/*")" &&
	test_must_fail ls .git/BISECT_* &&
	git bisect start &&
	test_must_fail git bisect good foo $HASH1 &&
	test_must_fail git bisect good $HASH1 bar &&
	test_must_fail git bisect bad frotz &&
	test_must_fail git bisect bad $HASH3 $HASH4 &&
	test_must_fail git bisect skip bar $HASH3 &&
	test_must_fail git bisect skip $HASH1 foo &&
	test -z "$(git for-each-ref "refs/bisect/*")" &&
	git bisect good $HASH1 &&
	git bisect bad $HASH4
'

test_expect_success 'bisect reset: back in the master branch' '
	git bisect reset &&
	echo "* master" > branch.expect &&
	git branch > branch.output &&
	cmp branch.expect branch.output
'

test_expect_success 'bisect reset: back in another branch' '
	git checkout -b other &&
	git bisect start &&
	git bisect good $HASH1 &&
	git bisect bad $HASH3 &&
	git bisect reset &&
	echo "  master" > branch.expect &&
	echo "* other" >> branch.expect &&
	git branch > branch.output &&
	cmp branch.expect branch.output
'

test_expect_success 'bisect reset when not bisecting' '
	git bisect reset &&
	git branch > branch.output &&
	cmp branch.expect branch.output
'

test_expect_success 'bisect reset removes packed refs' '
	git bisect reset &&
	git bisect start &&
	git bisect good $HASH1 &&
	git bisect bad $HASH3 &&
	git pack-refs --all --prune &&
	git bisect next &&
	git bisect reset &&
	test -z "$(git for-each-ref "refs/bisect/*")" &&
	test -z "$(git for-each-ref "refs/heads/bisect")"
'

test_expect_success 'bisect start: back in good branch' '
	git branch > branch.output &&
	grep "* other" branch.output > /dev/null &&
	git bisect start $HASH4 $HASH1 -- &&
	git bisect good &&
	git bisect start $HASH4 $HASH1 -- &&
	git bisect bad &&
	git bisect reset &&
	git branch > branch.output &&
	grep "* other" branch.output > /dev/null
'

test_expect_success 'bisect start: no ".git/BISECT_START" if junk rev' '
	git bisect start $HASH4 $HASH1 -- &&
	git bisect good &&
	test_must_fail git bisect start $HASH4 foo -- &&
	git branch > branch.output &&
	grep "* other" branch.output > /dev/null &&
	test_must_fail test -e .git/BISECT_START
'

test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' '
	git bisect start $HASH4 $HASH1 -- &&
	git bisect good &&
	test_must_fail git bisect start $HASH1 $HASH4 -- &&
	git branch > branch.output &&
	grep "* other" branch.output > /dev/null &&
	test_must_fail test -e .git/BISECT_START
'

test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' '
	echo "temp stuff" > hello &&
	test_must_fail git bisect start $HASH4 $HASH1 -- &&
	git branch &&
	git branch > branch.output &&
	grep "* other" branch.output > /dev/null &&
	test_must_fail test -e .git/BISECT_START &&
	test -z "$(git for-each-ref "refs/bisect/*")" &&
	git checkout HEAD hello
'

# $HASH1 is good, $HASH4 is bad, we skip $HASH3
# but $HASH2 is bad,
# so we should find $HASH2 as the first bad commit
test_expect_success 'bisect skip: successfull result' '
	git bisect reset &&
	git bisect start $HASH4 $HASH1 &&
	git bisect skip &&
	git bisect bad > my_bisect_log.txt &&
	grep "$HASH2 is first bad commit" my_bisect_log.txt &&
	git bisect reset
'

# $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2
# so we should not be able to tell the first bad commit
# among $HASH2, $HASH3 and $HASH4
test_expect_success 'bisect skip: cannot tell between 3 commits' '
	git bisect start $HASH4 $HASH1 &&
	git bisect skip || return 1

	if git bisect skip > my_bisect_log.txt
	then
		echo Oops, should have failed.
		false
	else
		test $? -eq 2 &&
		grep "first bad commit could be any of" my_bisect_log.txt &&
		! grep $HASH1 my_bisect_log.txt &&
		grep $HASH2 my_bisect_log.txt &&
		grep $HASH3 my_bisect_log.txt &&
		grep $HASH4 my_bisect_log.txt &&
		git bisect reset
	fi
'

# $HASH1 is good, $HASH4 is bad, we skip $HASH3
# but $HASH2 is good,
# so we should not be able to tell the first bad commit
# among $HASH3 and $HASH4
test_expect_success 'bisect skip: cannot tell between 2 commits' '
	git bisect start $HASH4 $HASH1 &&
	git bisect skip || return 1

	if git bisect good > my_bisect_log.txt
	then
		echo Oops, should have failed.
		false
	else
		test $? -eq 2 &&
		grep "first bad commit could be any of" my_bisect_log.txt &&
		! grep $HASH1 my_bisect_log.txt &&
		! grep $HASH2 my_bisect_log.txt &&
		grep $HASH3 my_bisect_log.txt &&
		grep $HASH4 my_bisect_log.txt &&
		git bisect reset
	fi
'

# We want to automatically find the commit that
# introduced "Another" into hello.
test_expect_success \
    '"git bisect run" simple case' \
    'echo "#"\!"/bin/sh" > test_script.sh &&
     echo "grep Another hello > /dev/null" >> test_script.sh &&
     echo "test \$? -ne 0" >> test_script.sh &&
     chmod +x test_script.sh &&
     git bisect start &&
     git bisect good $HASH1 &&
     git bisect bad $HASH4 &&
     git bisect run ./test_script.sh > my_bisect_log.txt &&
     grep "$HASH3 is first bad commit" my_bisect_log.txt &&
     git bisect reset'

# We want to automatically find the commit that
# introduced "Ciao" into hello.
test_expect_success \
    '"git bisect run" with more complex "git bisect start"' \
    'echo "#"\!"/bin/sh" > test_script.sh &&
     echo "grep Ciao hello > /dev/null" >> test_script.sh &&
     echo "test \$? -ne 0" >> test_script.sh &&
     chmod +x test_script.sh &&
     git bisect start $HASH4 $HASH1 &&
     git bisect run ./test_script.sh > my_bisect_log.txt &&
     grep "$HASH4 is first bad commit" my_bisect_log.txt &&
     git bisect reset'

# $HASH1 is good, $HASH5 is bad, we skip $HASH3
# but $HASH4 is good,
# so we should find $HASH5 as the first bad commit
HASH5=
test_expect_success 'bisect skip: add line and then a new test' '
	add_line_into_file "5: Another new line." hello &&
	HASH5=$(git rev-parse --verify HEAD) &&
	git bisect start $HASH5 $HASH1 &&
	git bisect skip &&
	git bisect good > my_bisect_log.txt &&
	grep "$HASH5 is first bad commit" my_bisect_log.txt &&
	git bisect log > log_to_replay.txt &&
	git bisect reset
'

test_expect_success 'bisect skip and bisect replay' '
	git bisect replay log_to_replay.txt > my_bisect_log.txt &&
	grep "$HASH5 is first bad commit" my_bisect_log.txt &&
	git bisect reset
'

HASH6=
test_expect_success 'bisect run & skip: cannot tell between 2' '
	add_line_into_file "6: Yet a line." hello &&
	HASH6=$(git rev-parse --verify HEAD) &&
	echo "#"\!"/bin/sh" > test_script.sh &&
	echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
	echo "grep line hello > /dev/null" >> test_script.sh &&
	echo "test \$? -ne 0" >> test_script.sh &&
	chmod +x test_script.sh &&
	git bisect start $HASH6 $HASH1 &&
	if git bisect run ./test_script.sh > my_bisect_log.txt
	then
		echo Oops, should have failed.
		false
	else
		test $? -eq 2 &&
		grep "first bad commit could be any of" my_bisect_log.txt &&
		! grep $HASH3 my_bisect_log.txt &&
		! grep $HASH6 my_bisect_log.txt &&
		grep $HASH4 my_bisect_log.txt &&
		grep $HASH5 my_bisect_log.txt
	fi
'

HASH7=
test_expect_success 'bisect run & skip: find first bad' '
	git bisect reset &&
	add_line_into_file "7: Should be the last line." hello &&
	HASH7=$(git rev-parse --verify HEAD) &&
	echo "#"\!"/bin/sh" > test_script.sh &&
	echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
	echo "sed -ne \\\$p hello | grep day > /dev/null && exit 125" >> test_script.sh &&
	echo "grep Yet hello > /dev/null" >> test_script.sh &&
	echo "test \$? -ne 0" >> test_script.sh &&
	chmod +x test_script.sh &&
	git bisect start $HASH7 $HASH1 &&
	git bisect run ./test_script.sh > my_bisect_log.txt &&
	grep "$HASH6 is first bad commit" my_bisect_log.txt
'

test_expect_success 'bisect starting with a detached HEAD' '

	git bisect reset &&
	git checkout master^ &&
	HEAD=$(git rev-parse --verify HEAD) &&
	git bisect start &&
	test $HEAD = $(cat .git/BISECT_START) &&
	git bisect reset &&
	test $HEAD = $(git rev-parse --verify HEAD)

'

test_expect_success 'bisect refuses to start if branch bisect exists' '
	git bisect reset &&
	git branch bisect &&
	test_must_fail git bisect start &&
	git branch -d bisect &&
	git checkout -b bisect &&
	test_must_fail git bisect start &&
	git checkout master &&
	git branch -d bisect
'

test_expect_success 'bisect refuses to start if branch new-bisect exists' '
	git bisect reset &&
	git branch new-bisect &&
	test_must_fail git bisect start &&
	git branch -d new-bisect
'

test_expect_success 'bisect errors out if bad and good are mistaken' '
	git bisect reset &&
	test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error &&
	grep "mistake good and bad" rev_list_error &&
	git bisect reset
'

#
#
test_done
Commit	Line	Data
a17c4101 CC	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2007 Christian Couder
	4	#
4f506716	5	test_description='Tests git-bisect functionality'
a17c4101	6
0a5280a9 JH	7	exec </dev/null
0a5280a9 JH	8
a17c4101 CC	9	. ./test-lib.sh
	10
	11	add_line_into_file()
	12	{
	13	_line=$1
	14	_file=$2
	15
	16	if [ -f "$_file" ]; then
	17	echo "$_line" >> $_file \|\| return $?
	18	MSG="Add <$_line> into <$_file>."
	19	else
	20	echo "$_line" > $_file \|\| return $?
	21	git add $_file \|\| return $?
	22	MSG="Create file <$_file> with <$_line> inside."
	23	fi
	24
ab69e89c JH	25	test_tick
ab69e89c JH	26	git-commit --quiet -m "$MSG" $_file
a17c4101 CC	27	}
	28
	29	HASH1=
ab69e89c	30	HASH2=
a17c4101 CC	31	HASH3=
	32	HASH4=
	33
ab69e89c JH	34	test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' '
	35	add_line_into_file "1: Hello World" hello &&
	36	HASH1=$(git rev-parse --verify HEAD) &&
a17c4101	37	add_line_into_file "2: A new day for git" hello &&
ab69e89c	38	HASH2=$(git rev-parse --verify HEAD) &&
a17c4101	39	add_line_into_file "3: Another new day for git" hello &&
ab69e89c	40	HASH3=$(git rev-parse --verify HEAD) &&
a17c4101	41	add_line_into_file "4: Ciao for now" hello &&
ab69e89c JH	42	HASH4=$(git rev-parse --verify HEAD)
ab69e89c JH	43	'
a17c4101	44
0a5280a9	45	test_expect_success 'bisect starts with only one bad' '
4f506716 JH	46	git bisect reset &&
4f506716 JH	47	git bisect start &&
0a5280a9 JH	48	git bisect bad $HASH4 &&
0a5280a9 JH	49	git bisect next
4f506716 JH	50	'
4f506716 JH	51
f9487929	52	test_expect_success 'bisect does not start with only one good' '
4f506716 JH	53	git bisect reset &&
	54	git bisect start &&
	55	git bisect good $HASH1 \|\| return 1
	56
	57	if git bisect next
	58	then
	59	echo Oops, should have failed.
	60	false
	61	else
	62	:
	63	fi
	64	'
	65
	66	test_expect_success 'bisect start with one bad and good' '
	67	git bisect reset &&
	68	git bisect start &&
	69	git bisect good $HASH1 &&
	70	git bisect bad $HASH4 &&
	71	git bisect next
	72	'
	73
d3e54c88	74	test_expect_success 'bisect fails if given any junk instead of revs' '
e3389075	75	git bisect reset &&
d3e54c88 CC	76	test_must_fail git bisect start foo $HASH1 -- &&
	77	test_must_fail git bisect start $HASH4 $HASH1 bar -- &&
	78	test -z "$(git for-each-ref "refs/bisect/*")" &&
	79	test_must_fail ls .git/BISECT_* &&
e3389075 CC	80	git bisect start &&
	81	test_must_fail git bisect good foo $HASH1 &&
	82	test_must_fail git bisect good $HASH1 bar &&
	83	test_must_fail git bisect bad frotz &&
	84	test_must_fail git bisect bad $HASH3 $HASH4 &&
	85	test_must_fail git bisect skip bar $HASH3 &&
	86	test_must_fail git bisect skip $HASH1 foo &&
d3e54c88	87	test -z "$(git for-each-ref "refs/bisect/*")" &&
e3389075 CC	88	git bisect good $HASH1 &&
e3389075 CC	89	git bisect bad $HASH4
4f506716 JH	90	'
4f506716 JH	91
fce0499f CC	92	test_expect_success 'bisect reset: back in the master branch' '
	93	git bisect reset &&
	94	echo "* master" > branch.expect &&
	95	git branch > branch.output &&
	96	cmp branch.expect branch.output
	97	'
	98
	99	test_expect_success 'bisect reset: back in another branch' '
	100	git checkout -b other &&
	101	git bisect start &&
	102	git bisect good $HASH1 &&
	103	git bisect bad $HASH3 &&
	104	git bisect reset &&
	105	echo " master" > branch.expect &&
	106	echo "* other" >> branch.expect &&
	107	git branch > branch.output &&
	108	cmp branch.expect branch.output
	109	'
	110
	111	test_expect_success 'bisect reset when not bisecting' '
	112	git bisect reset &&
	113	git branch > branch.output &&
	114	cmp branch.expect branch.output
	115	'
	116
947a604b CC	117	test_expect_success 'bisect reset removes packed refs' '
	118	git bisect reset &&
	119	git bisect start &&
	120	git bisect good $HASH1 &&
	121	git bisect bad $HASH3 &&
	122	git pack-refs --all --prune &&
	123	git bisect next &&
	124	git bisect reset &&
	125	test -z "$(git for-each-ref "refs/bisect/*")" &&
	126	test -z "$(git for-each-ref "refs/heads/bisect")"
	127	'
	128
d3aca585 CC	129	test_expect_success 'bisect start: back in good branch' '
	130	git branch > branch.output &&
	131	grep "* other" branch.output > /dev/null &&
	132	git bisect start $HASH4 $HASH1 -- &&
	133	git bisect good &&
	134	git bisect start $HASH4 $HASH1 -- &&
	135	git bisect bad &&
	136	git bisect reset &&
	137	git branch > branch.output &&
	138	grep "* other" branch.output > /dev/null
	139	'
	140
9d0cd91c	141	test_expect_success 'bisect start: no ".git/BISECT_START" if junk rev' '
d3aca585 CC	142	git bisect start $HASH4 $HASH1 -- &&
	143	git bisect good &&
	144	test_must_fail git bisect start $HASH4 foo -- &&
	145	git branch > branch.output &&
	146	grep "* other" branch.output > /dev/null &&
	147	test_must_fail test -e .git/BISECT_START
	148	'
	149
ba963de8	150	test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' '
d3aca585 CC	151	git bisect start $HASH4 $HASH1 -- &&
	152	git bisect good &&
	153	test_must_fail git bisect start $HASH1 $HASH4 -- &&
	154	git branch > branch.output &&
	155	grep "* other" branch.output > /dev/null &&
	156	test_must_fail test -e .git/BISECT_START
	157	'
	158
ba963de8	159	test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' '
d3aca585 CC	160	echo "temp stuff" > hello &&
	161	test_must_fail git bisect start $HASH4 $HASH1 -- &&
	162	git branch &&
	163	git branch > branch.output &&
	164	grep "* other" branch.output > /dev/null &&
	165	test_must_fail test -e .git/BISECT_START &&
ba963de8 CC	166	test -z "$(git for-each-ref "refs/bisect/*")" &&
ba963de8 CC	167	git checkout HEAD hello
d3aca585 CC	168	'
d3aca585 CC	169
97e1c51e CC	170	# $HASH1 is good, $HASH4 is bad, we skip $HASH3
	171	# but $HASH2 is bad,
	172	# so we should find $HASH2 as the first bad commit
	173	test_expect_success 'bisect skip: successfull result' '
	174	git bisect reset &&
	175	git bisect start $HASH4 $HASH1 &&
	176	git bisect skip &&
	177	git bisect bad > my_bisect_log.txt &&
	178	grep "$HASH2 is first bad commit" my_bisect_log.txt &&
	179	git bisect reset
	180	'
	181
	182	# $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2
	183	# so we should not be able to tell the first bad commit
	184	# among $HASH2, $HASH3 and $HASH4
	185	test_expect_success 'bisect skip: cannot tell between 3 commits' '
	186	git bisect start $HASH4 $HASH1 &&
	187	git bisect skip \|\| return 1
	188
	189	if git bisect skip > my_bisect_log.txt
	190	then
	191	echo Oops, should have failed.
	192	false
	193	else
	194	test $? -eq 2 &&
	195	grep "first bad commit could be any of" my_bisect_log.txt &&
	196	! grep $HASH1 my_bisect_log.txt &&
	197	grep $HASH2 my_bisect_log.txt &&
	198	grep $HASH3 my_bisect_log.txt &&
	199	grep $HASH4 my_bisect_log.txt &&
	200	git bisect reset
	201	fi
	202	'
	203
	204	# $HASH1 is good, $HASH4 is bad, we skip $HASH3
	205	# but $HASH2 is good,
	206	# so we should not be able to tell the first bad commit
	207	# among $HASH3 and $HASH4
	208	test_expect_success 'bisect skip: cannot tell between 2 commits' '
	209	git bisect start $HASH4 $HASH1 &&
	210	git bisect skip \|\| return 1
	211
	212	if git bisect good > my_bisect_log.txt
	213	then
	214	echo Oops, should have failed.
	215	false
	216	else
	217	test $? -eq 2 &&
	218	grep "first bad commit could be any of" my_bisect_log.txt &&
	219	! grep $HASH1 my_bisect_log.txt &&
	220	! grep $HASH2 my_bisect_log.txt &&
	221	grep $HASH3 my_bisect_log.txt &&
	222	grep $HASH4 my_bisect_log.txt &&
	223	git bisect reset
	224	fi
	225	'
	226
a17c4101 CC	227	# We want to automatically find the commit that
	228	# introduced "Another" into hello.
	229	test_expect_success \
38a47fd6 CC	230	'"git bisect run" simple case' \
38a47fd6 CC	231	'echo "#"\!"/bin/sh" > test_script.sh &&
a17c4101 CC	232	echo "grep Another hello > /dev/null" >> test_script.sh &&
	233	echo "test \$? -ne 0" >> test_script.sh &&
	234	chmod +x test_script.sh &&
	235	git bisect start &&
	236	git bisect good $HASH1 &&
	237	git bisect bad $HASH4 &&
	238	git bisect run ./test_script.sh > my_bisect_log.txt &&
38a47fd6 CC	239	grep "$HASH3 is first bad commit" my_bisect_log.txt &&
	240	git bisect reset'
	241
	242	# We want to automatically find the commit that
	243	# introduced "Ciao" into hello.
	244	test_expect_success \
	245	'"git bisect run" with more complex "git bisect start"' \
	246	'echo "#"\!"/bin/sh" > test_script.sh &&
	247	echo "grep Ciao hello > /dev/null" >> test_script.sh &&
	248	echo "test \$? -ne 0" >> test_script.sh &&
	249	chmod +x test_script.sh &&
	250	git bisect start $HASH4 $HASH1 &&
	251	git bisect run ./test_script.sh > my_bisect_log.txt &&
	252	grep "$HASH4 is first bad commit" my_bisect_log.txt &&
	253	git bisect reset'
a17c4101	254
97e1c51e CC	255	# $HASH1 is good, $HASH5 is bad, we skip $HASH3
	256	# but $HASH4 is good,
	257	# so we should find $HASH5 as the first bad commit
	258	HASH5=
	259	test_expect_success 'bisect skip: add line and then a new test' '
	260	add_line_into_file "5: Another new line." hello &&
	261	HASH5=$(git rev-parse --verify HEAD) &&
	262	git bisect start $HASH5 $HASH1 &&
	263	git bisect skip &&
	264	git bisect good > my_bisect_log.txt &&
	265	grep "$HASH5 is first bad commit" my_bisect_log.txt &&
fce0499f	266	git bisect log > log_to_replay.txt &&
37f9fd0d CC	267	git bisect reset
	268	'
	269
	270	test_expect_success 'bisect skip and bisect replay' '
	271	git bisect replay log_to_replay.txt > my_bisect_log.txt &&
	272	grep "$HASH5 is first bad commit" my_bisect_log.txt &&
97e1c51e CC	273	git bisect reset
	274	'
	275
71b0251c CC	276	HASH6=
	277	test_expect_success 'bisect run & skip: cannot tell between 2' '
	278	add_line_into_file "6: Yet a line." hello &&
	279	HASH6=$(git rev-parse --verify HEAD) &&
	280	echo "#"\!"/bin/sh" > test_script.sh &&
b4ce54fc	281	echo "sed -ne \\\$p hello \| grep Ciao > /dev/null && exit 125" >> test_script.sh &&
71b0251c CC	282	echo "grep line hello > /dev/null" >> test_script.sh &&
	283	echo "test \$? -ne 0" >> test_script.sh &&
	284	chmod +x test_script.sh &&
	285	git bisect start $HASH6 $HASH1 &&
	286	if git bisect run ./test_script.sh > my_bisect_log.txt
	287	then
	288	echo Oops, should have failed.
	289	false
	290	else
	291	test $? -eq 2 &&
	292	grep "first bad commit could be any of" my_bisect_log.txt &&
	293	! grep $HASH3 my_bisect_log.txt &&
	294	! grep $HASH6 my_bisect_log.txt &&
	295	grep $HASH4 my_bisect_log.txt &&
	296	grep $HASH5 my_bisect_log.txt
	297	fi
	298	'
	299
	300	HASH7=
	301	test_expect_success 'bisect run & skip: find first bad' '
	302	git bisect reset &&
	303	add_line_into_file "7: Should be the last line." hello &&
	304	HASH7=$(git rev-parse --verify HEAD) &&
	305	echo "#"\!"/bin/sh" > test_script.sh &&
b4ce54fc JK	306	echo "sed -ne \\\$p hello \| grep Ciao > /dev/null && exit 125" >> test_script.sh &&
b4ce54fc JK	307	echo "sed -ne \\\$p hello \| grep day > /dev/null && exit 125" >> test_script.sh &&
71b0251c CC	308	echo "grep Yet hello > /dev/null" >> test_script.sh &&
	309	echo "test \$? -ne 0" >> test_script.sh &&
	310	chmod +x test_script.sh &&
	311	git bisect start $HASH7 $HASH1 &&
	312	git bisect run ./test_script.sh > my_bisect_log.txt &&
	313	grep "$HASH6 is first bad commit" my_bisect_log.txt
	314	'
	315
ce32660e JS	316	test_expect_success 'bisect starting with a detached HEAD' '
	317
	318	git bisect reset &&
	319	git checkout master^ &&
	320	HEAD=$(git rev-parse --verify HEAD) &&
	321	git bisect start &&
b577bb92	322	test $HEAD = $(cat .git/BISECT_START) &&
ce32660e JS	323	git bisect reset &&
	324	test $HEAD = $(git rev-parse --verify HEAD)
	325
	326	'
	327
ee831f7d GP	328	test_expect_success 'bisect refuses to start if branch bisect exists' '
	329	git bisect reset &&
	330	git branch bisect &&
	331	test_must_fail git bisect start &&
	332	git branch -d bisect &&
	333	git checkout -b bisect &&
	334	test_must_fail git bisect start &&
	335	git checkout master &&
	336	git branch -d bisect
	337	'
	338
	339	test_expect_success 'bisect refuses to start if branch new-bisect exists' '
	340	git bisect reset &&
	341	git branch new-bisect &&
	342	test_must_fail git bisect start &&
	343	git branch -d new-bisect
	344	'
	345
42ba5ee7 CC	346	test_expect_success 'bisect errors out if bad and good are mistaken' '
	347	git bisect reset &&
	348	test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error &&
	349	grep "mistake good and bad" rev_list_error &&
	350	git bisect reset
	351	'
	352
a17c4101 CC	353	#
	354	#
	355	test_done