1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
#!/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
'
# $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 "tail -1 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 "tail -1 hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
echo "tail -1 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_done
|