t_patch.sh revision 1.2 1 # $NetBSD: t_patch.sh,v 1.2 2021/02/20 08:59:24 nia 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 $line
59 done
60 }
61
62 atf_test_case long_lines
63 long_lines_head()
64 {
65 atf_set "descr" "Test patching long lines (PR bin/54620)"
66 }
67
68 long_lines_body()
69 {
70 atf_expect_fail "PR bin/54620"
71 patch_lines 10000
72 }
73
74 atf_test_case backup_simple
75 backup_simple_head()
76 {
77 atf_set "descr" "Test backup type 'simple' (-V simple)"
78 }
79
80 backup_simple_body()
81 {
82 # Create the backup file so it's overwritten.
83 touch to_patch.orig
84 printf '%s\n' 'original file' > to_patch
85
86 cat << EOF > test_diff.patch
87 --- original_file 2021-02-20 09:21:07.100869692 +0100
88 +++ new_file 2021-02-20 09:21:10.912906887 +0100
89 @@ -1 +1 @@
90 -original text
91 +new text
92 EOF
93 cksum=$(sha256 -n to_patch | cut -d' ' -f1)
94 patch -V simple to_patch < test_diff.patch
95 atf_check [ -f to_patch.orig ]
96 origfile_cksum=$(sha256 -n to_patch.orig | cut -d' ' -f1)
97 atf_check_equal "$cksum" "$origfile_cksum"
98 atf_check grep -q -m 1 '^new text$' to_patch
99 }
100
101 atf_test_case backup_none
102 backup_none_head()
103 {
104 atf_set "descr" "Test backup type 'none' (-V none)"
105 }
106
107 backup_none_body()
108 {
109 printf '%s\n' 'original file' > to_patch
110
111 cat << EOF > test_diff.patch
112 --- original_file 2021-02-20 09:21:07.100869692 +0100
113 +++ new_file 2021-02-20 09:21:10.912906887 +0100
114 @@ -1 +1 @@
115 -original text
116 +new text
117 EOF
118 # Patch would mistakenly create 'simple' backup files when unwanted:
119 # http://mail-index.netbsd.org/tech-userlevel/2021/02/19/msg012901.html
120 patch -V none to_patch < test_diff.patch
121 atf_check [ ! -f to_patch.orig ]
122 atf_check grep -q -m 1 '^new text$' to_patch
123
124 # Environment variables should be overriden.
125 printf '%s\n' 'original file' > to_patch
126 VERSION_CONTROL=existing patch -V none to_patch \
127 < test_diff.patch
128 atf_check [ ! -f to_patch.orig ]
129 atf_check grep -q -m 1 '^new text$' to_patch
130
131 # --posix should imply -V none.
132 printf '%s\n' 'original file' > to_patch
133 patch --posix to_patch < test_diff.patch
134 atf_check [ ! -f to_patch.orig ]
135 atf_check grep -q -m 1 '^new text$' to_patch
136 }
137
138 atf_test_case backup_numbered
139 backup_numbered_head()
140 {
141 atf_set "descr" "Test backup type 'numbered' (-V numbered)"
142 }
143
144 backup_numbered_body()
145 {
146 printf '%s\n' 'original file' > to_patch
147
148 cat << EOF > test_diff.patch
149 --- original_file 2021-02-20 09:21:07.100869692 +0100
150 +++ new_file 2021-02-20 09:21:10.912906887 +0100
151 @@ -1 +1 @@
152 -original text
153 +new text
154 EOF
155 cksum1=$(sha256 -n to_patch | cut -d' ' -f1)
156 patch -V numbered to_patch < test_diff.patch
157 atf_check grep -q -m 1 '^new text$' to_patch
158
159 cat << EOF > test_diff2.patch
160 --- new_file 2021-02-20 09:44:52.363230019 +0100
161 +++ newer_file 2021-02-20 09:43:54.592863401 +0100
162 @@ -1 +1 @@
163 -new text
164 +newer text
165 EOF
166 cksum2=$(sha256 -n to_patch | cut -d' ' -f1)
167 patch -V numbered to_patch < test_diff2.patch
168 atf_check grep -q -m 1 '^newer text$' to_patch
169
170 # Make sure the backup files match the original files.
171 origfile_cksum1=$(sha256 -n to_patch.~1~ | cut -d' ' -f1)
172 origfile_cksum2=$(sha256 -n to_patch.~2~ | cut -d' ' -f1)
173 atf_check [ -f to_patch.~1~ ]
174 atf_check_equal "$cksum1" "$origfile_cksum1"
175 atf_check [ -f to_patch.~2~ ]
176 atf_check_equal "$cksum2" "$origfile_cksum2"
177 }
178
179 atf_init_test_cases()
180 {
181 atf_add_test_case lines
182 atf_add_test_case long_lines
183 atf_add_test_case backup_simple
184 atf_add_test_case backup_none
185 atf_add_test_case backup_numbered
186 }
187