t_patch.sh revision 1.2.2.1 1 # $NetBSD: t_patch.sh,v 1.2.2.1 2021/05/31 22:15:23 cjep Exp $
2 #
3 # Copyright (c) 2020, 2021 The NetBSD Foundation, Inc.
4 # All rights reserved.
5 #
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
8 # are met:
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
14 #
15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 # POSSIBILITY OF SUCH DAMAGE.
26 #
27
28 patch_lines() {
29
30 printf "%$1s" | tr " " "a" > longlines 2>/dev/null
31
32 cat << EOF > longlines.patch
33 --- ./longlines.orig 2019-10-16 09:25:30.667656644 +0000
34 +++ ./longlines
35 @@ -1 +1 @@
36 EOF
37 printf -- "-%$1s\n" | tr " " "a" >> longlines.patch 2>/dev/null
38 printf -- "+%$1s" | tr " " "b" >> longlines.patch 2>/dev/null
39
40 patch longlines < longlines.patch
41
42 if [ ! $? -eq 0 ]; then
43 atf_fail "Failed to patch long lines"
44 fi
45 }
46
47 atf_test_case lines
48 lines_head()
49 {
50 atf_set "descr" "Test patching lines"
51 }
52
53 lines_body()
54 {
55 lines="1 10 100 1000 8100"
56
57 for line in $lines; do
58 patch_lines $line
59 done
60 }
61
62 atf_test_case long_lines
63 long_lines_head()
64 {
65 atf_set "descr" "Test patching long lines (PR bin/54620)"
66 }
67
68 long_lines_body()
69 {
70 patch_lines 10000
71 }
72
73 atf_test_case backup_simple
74 backup_simple_head()
75 {
76 atf_set "descr" "Test backup type 'simple' (-V simple)"
77 }
78
79 backup_simple_body()
80 {
81 # Create the backup file so it's overwritten.
82 touch to_patch.orig
83 printf '%s\n' 'original file' > to_patch
84
85 cat << EOF > test_diff.patch
86 --- original_file 2021-02-20 09:21:07.100869692 +0100
87 +++ new_file 2021-02-20 09:21:10.912906887 +0100
88 @@ -1 +1 @@
89 -original text
90 +new text
91 EOF
92 cksum=$(sha256 -n to_patch | cut -d' ' -f1)
93 patch -V simple to_patch < test_diff.patch
94 atf_check [ -f to_patch.orig ]
95 origfile_cksum=$(sha256 -n to_patch.orig | cut -d' ' -f1)
96 atf_check_equal "$cksum" "$origfile_cksum"
97 atf_check grep -q -m 1 '^new text$' to_patch
98 }
99
100 atf_test_case backup_none
101 backup_none_head()
102 {
103 atf_set "descr" "Test backup type 'none' (-V none)"
104 }
105
106 backup_none_body()
107 {
108 printf '%s\n' 'original file' > to_patch
109
110 cat << EOF > test_diff.patch
111 --- original_file 2021-02-20 09:21:07.100869692 +0100
112 +++ new_file 2021-02-20 09:21:10.912906887 +0100
113 @@ -1 +1 @@
114 -original text
115 +new text
116 EOF
117 # Patch would mistakenly create 'simple' backup files when unwanted:
118 # http://mail-index.netbsd.org/tech-userlevel/2021/02/19/msg012901.html
119 patch -V none to_patch < test_diff.patch
120 atf_check [ ! -f to_patch.orig ]
121 atf_check grep -q -m 1 '^new text$' to_patch
122
123 # Environment variables should be overriden.
124 printf '%s\n' 'original file' > to_patch
125 VERSION_CONTROL=existing patch -V none to_patch \
126 < test_diff.patch
127 atf_check [ ! -f to_patch.orig ]
128 atf_check grep -q -m 1 '^new text$' to_patch
129
130 # --posix should imply -V none.
131 printf '%s\n' 'original file' > to_patch
132 patch --posix to_patch < test_diff.patch
133 atf_check [ ! -f to_patch.orig ]
134 atf_check grep -q -m 1 '^new text$' to_patch
135 }
136
137 atf_test_case backup_numbered
138 backup_numbered_head()
139 {
140 atf_set "descr" "Test backup type 'numbered' (-V numbered)"
141 }
142
143 backup_numbered_body()
144 {
145 printf '%s\n' 'original file' > to_patch
146
147 cat << EOF > test_diff.patch
148 --- original_file 2021-02-20 09:21:07.100869692 +0100
149 +++ new_file 2021-02-20 09:21:10.912906887 +0100
150 @@ -1 +1 @@
151 -original text
152 +new text
153 EOF
154 cksum1=$(sha256 -n to_patch | cut -d' ' -f1)
155 patch -V numbered to_patch < test_diff.patch
156 atf_check grep -q -m 1 '^new text$' to_patch
157
158 cat << EOF > test_diff2.patch
159 --- new_file 2021-02-20 09:44:52.363230019 +0100
160 +++ newer_file 2021-02-20 09:43:54.592863401 +0100
161 @@ -1 +1 @@
162 -new text
163 +newer text
164 EOF
165 cksum2=$(sha256 -n to_patch | cut -d' ' -f1)
166 patch -V numbered to_patch < test_diff2.patch
167 atf_check grep -q -m 1 '^newer text$' to_patch
168
169 # Make sure the backup files match the original files.
170 origfile_cksum1=$(sha256 -n to_patch.~1~ | cut -d' ' -f1)
171 origfile_cksum2=$(sha256 -n to_patch.~2~ | cut -d' ' -f1)
172 atf_check [ -f to_patch.~1~ ]
173 atf_check_equal "$cksum1" "$origfile_cksum1"
174 atf_check [ -f to_patch.~2~ ]
175 atf_check_equal "$cksum2" "$origfile_cksum2"
176 }
177
178 atf_init_test_cases()
179 {
180 atf_add_test_case lines
181 atf_add_test_case long_lines
182 atf_add_test_case backup_simple
183 atf_add_test_case backup_none
184 atf_add_test_case backup_numbered
185 }
186