[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_failure '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_failure '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/*")"
'

# This cleanup is needed whatever the result of the above test.
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
	150	test_expect_failure 'bisect start: no ".git/BISECT_START" if mistaken rev' '
	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
	159	test_expect_failure 'bisect start: no ".git/BISECT_START" if checkout error' '
	160	echo "temp stuff" > hello &&
	161	test_must_fail git bisect start $HASH4 $HASH1 -- &&
	162	git branch &&
	163	git branch > branch.output &&
	164	grep "* other" branch.output > /dev/null &&
	165	test_must_fail test -e .git/BISECT_START &&
	166	test -z "$(git for-each-ref "refs/bisect/*")"
	167	'
	168
	169	# This cleanup is needed whatever the result of the above test.
	170	git checkout HEAD hello
	171
97e1c51e CC	172	# $HASH1 is good, $HASH4 is bad, we skip $HASH3
	173	# but $HASH2 is bad,
	174	# so we should find $HASH2 as the first bad commit
	175	test_expect_success 'bisect skip: successfull result' '
	176	git bisect reset &&
	177	git bisect start $HASH4 $HASH1 &&
	178	git bisect skip &&
	179	git bisect bad > my_bisect_log.txt &&
	180	grep "$HASH2 is first bad commit" my_bisect_log.txt &&
	181	git bisect reset
	182	'
	183
	184	# $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2
	185	# so we should not be able to tell the first bad commit
	186	# among $HASH2, $HASH3 and $HASH4
	187	test_expect_success 'bisect skip: cannot tell between 3 commits' '
	188	git bisect start $HASH4 $HASH1 &&
	189	git bisect skip \|\| return 1
	190
	191	if git bisect skip > my_bisect_log.txt
	192	then
	193	echo Oops, should have failed.
	194	false
	195	else
	196	test $? -eq 2 &&
	197	grep "first bad commit could be any of" my_bisect_log.txt &&
	198	! grep $HASH1 my_bisect_log.txt &&
	199	grep $HASH2 my_bisect_log.txt &&
	200	grep $HASH3 my_bisect_log.txt &&
	201	grep $HASH4 my_bisect_log.txt &&
	202	git bisect reset
	203	fi
	204	'
	205
	206	# $HASH1 is good, $HASH4 is bad, we skip $HASH3
	207	# but $HASH2 is good,
	208	# so we should not be able to tell the first bad commit
	209	# among $HASH3 and $HASH4
	210	test_expect_success 'bisect skip: cannot tell between 2 commits' '
	211	git bisect start $HASH4 $HASH1 &&
	212	git bisect skip \|\| return 1
	213
	214	if git bisect good > my_bisect_log.txt
	215	then
	216	echo Oops, should have failed.
	217	false
	218	else
	219	test $? -eq 2 &&
	220	grep "first bad commit could be any of" my_bisect_log.txt &&
	221	! grep $HASH1 my_bisect_log.txt &&
	222	! grep $HASH2 my_bisect_log.txt &&
	223	grep $HASH3 my_bisect_log.txt &&
	224	grep $HASH4 my_bisect_log.txt &&
	225	git bisect reset
	226	fi
	227	'
	228
a17c4101 CC	229	# We want to automatically find the commit that
	230	# introduced "Another" into hello.
	231	test_expect_success \
38a47fd6 CC	232	'"git bisect run" simple case' \
38a47fd6 CC	233	'echo "#"\!"/bin/sh" > test_script.sh &&
a17c4101 CC	234	echo "grep Another hello > /dev/null" >> test_script.sh &&
	235	echo "test \$? -ne 0" >> test_script.sh &&
	236	chmod +x test_script.sh &&
	237	git bisect start &&
	238	git bisect good $HASH1 &&
	239	git bisect bad $HASH4 &&
	240	git bisect run ./test_script.sh > my_bisect_log.txt &&
38a47fd6 CC	241	grep "$HASH3 is first bad commit" my_bisect_log.txt &&
	242	git bisect reset'
	243
	244	# We want to automatically find the commit that
	245	# introduced "Ciao" into hello.
	246	test_expect_success \
	247	'"git bisect run" with more complex "git bisect start"' \
	248	'echo "#"\!"/bin/sh" > test_script.sh &&
	249	echo "grep Ciao hello > /dev/null" >> test_script.sh &&
	250	echo "test \$? -ne 0" >> test_script.sh &&
	251	chmod +x test_script.sh &&
	252	git bisect start $HASH4 $HASH1 &&
	253	git bisect run ./test_script.sh > my_bisect_log.txt &&
	254	grep "$HASH4 is first bad commit" my_bisect_log.txt &&
	255	git bisect reset'
a17c4101	256
97e1c51e CC	257	# $HASH1 is good, $HASH5 is bad, we skip $HASH3
	258	# but $HASH4 is good,
	259	# so we should find $HASH5 as the first bad commit
	260	HASH5=
	261	test_expect_success 'bisect skip: add line and then a new test' '
	262	add_line_into_file "5: Another new line." hello &&
	263	HASH5=$(git rev-parse --verify HEAD) &&
	264	git bisect start $HASH5 $HASH1 &&
	265	git bisect skip &&
	266	git bisect good > my_bisect_log.txt &&
	267	grep "$HASH5 is first bad commit" my_bisect_log.txt &&
fce0499f	268	git bisect log > log_to_replay.txt &&
37f9fd0d CC	269	git bisect reset
	270	'
	271
	272	test_expect_success 'bisect skip and bisect replay' '
	273	git bisect replay log_to_replay.txt > my_bisect_log.txt &&
	274	grep "$HASH5 is first bad commit" my_bisect_log.txt &&
97e1c51e CC	275	git bisect reset
	276	'
	277
71b0251c CC	278	HASH6=
	279	test_expect_success 'bisect run & skip: cannot tell between 2' '
	280	add_line_into_file "6: Yet a line." hello &&
	281	HASH6=$(git rev-parse --verify HEAD) &&
	282	echo "#"\!"/bin/sh" > test_script.sh &&
b4ce54fc	283	echo "sed -ne \\\$p hello \| grep Ciao > /dev/null && exit 125" >> test_script.sh &&
71b0251c CC	284	echo "grep line hello > /dev/null" >> test_script.sh &&
	285	echo "test \$? -ne 0" >> test_script.sh &&
	286	chmod +x test_script.sh &&
	287	git bisect start $HASH6 $HASH1 &&
	288	if git bisect run ./test_script.sh > my_bisect_log.txt
	289	then
	290	echo Oops, should have failed.
	291	false
	292	else
	293	test $? -eq 2 &&
	294	grep "first bad commit could be any of" my_bisect_log.txt &&
	295	! grep $HASH3 my_bisect_log.txt &&
	296	! grep $HASH6 my_bisect_log.txt &&
	297	grep $HASH4 my_bisect_log.txt &&
	298	grep $HASH5 my_bisect_log.txt
	299	fi
	300	'
	301
	302	HASH7=
	303	test_expect_success 'bisect run & skip: find first bad' '
	304	git bisect reset &&
	305	add_line_into_file "7: Should be the last line." hello &&
	306	HASH7=$(git rev-parse --verify HEAD) &&
	307	echo "#"\!"/bin/sh" > test_script.sh &&
b4ce54fc JK	308	echo "sed -ne \\\$p hello \| grep Ciao > /dev/null && exit 125" >> test_script.sh &&
b4ce54fc JK	309	echo "sed -ne \\\$p hello \| grep day > /dev/null && exit 125" >> test_script.sh &&
71b0251c CC	310	echo "grep Yet hello > /dev/null" >> test_script.sh &&
	311	echo "test \$? -ne 0" >> test_script.sh &&
	312	chmod +x test_script.sh &&
	313	git bisect start $HASH7 $HASH1 &&
	314	git bisect run ./test_script.sh > my_bisect_log.txt &&
	315	grep "$HASH6 is first bad commit" my_bisect_log.txt
	316	'
	317
ce32660e JS	318	test_expect_success 'bisect starting with a detached HEAD' '
	319
	320	git bisect reset &&
	321	git checkout master^ &&
	322	HEAD=$(git rev-parse --verify HEAD) &&
	323	git bisect start &&
b577bb92	324	test $HEAD = $(cat .git/BISECT_START) &&
ce32660e JS	325	git bisect reset &&
	326	test $HEAD = $(git rev-parse --verify HEAD)
	327
	328	'
	329
ee831f7d GP	330	test_expect_success 'bisect refuses to start if branch bisect exists' '
	331	git bisect reset &&
	332	git branch bisect &&
	333	test_must_fail git bisect start &&
	334	git branch -d bisect &&
	335	git checkout -b bisect &&
	336	test_must_fail git bisect start &&
	337	git checkout master &&
	338	git branch -d bisect
	339	'
	340
	341	test_expect_success 'bisect refuses to start if branch new-bisect exists' '
	342	git bisect reset &&
	343	git branch new-bisect &&
	344	test_must_fail git bisect start &&
	345	git branch -d new-bisect
	346	'
	347
42ba5ee7 CC	348	test_expect_success 'bisect errors out if bad and good are mistaken' '
	349	git bisect reset &&
	350	test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error &&
	351	grep "mistake good and bad" rev_list_error &&
	352	git bisect reset
	353	'
	354
a17c4101 CC	355	#
	356	#
	357	test_done