1 #!/bin/sh
2 #
3 # Copyright (c) 2019 Stefan Sperling <stsp@openbsd.org>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 
17 . ./common.sh
18 
19 test_backout_basic() {
20 	local testroot=`test_init backout_basic`
21 
22 	got checkout $testroot/repo $testroot/wt > /dev/null
23 	ret=$?
24 	if [ $ret -ne 0 ]; then
25 		test_done "$testroot" "$ret"
26 		return 1
27 	fi
28 
29 	echo "new" > $testroot/wt/new
30 	(cd $testroot/wt && got add new > /dev/null)
31 	echo "modified alpha" > $testroot/wt/alpha
32 	(cd $testroot/wt && got rm epsilon/zeta > /dev/null)
33 	(cd $testroot/wt && got commit -m "bad changes" > /dev/null)
34 
35 	local bad_commit=`git_show_head $testroot/repo`
36 
37 
38 	(cd $testroot/wt && got update > /dev/null)
39 
40 	echo "modified beta" > $testroot/wt/beta
41 	(cd $testroot/wt && got commit -m "changing beta" > /dev/null)
42 
43 	(cd $testroot/wt && got update > /dev/null)
44 
45 	(cd $testroot/wt && got backout $bad_commit > $testroot/stdout)
46 
47 	echo "G  alpha" > $testroot/stdout.expected
48 	echo "A  epsilon/zeta" >> $testroot/stdout.expected
49 	echo "D  new" >> $testroot/stdout.expected
50 	echo "Backed out commit $bad_commit" >> $testroot/stdout.expected
51 	cmp -s $testroot/stdout.expected $testroot/stdout
52 	ret=$?
53 	if [ $ret -ne 0 ]; then
54 		diff -u $testroot/stdout.expected $testroot/stdout
55 		test_done "$testroot" "$ret"
56 		return 1
57 	fi
58 
59 	echo "alpha" > $testroot/content.expected
60 	cat $testroot/wt/alpha > $testroot/content
61 	cmp -s $testroot/content.expected $testroot/content
62 	ret=$?
63 	if [ $ret -ne 0 ]; then
64 		diff -u $testroot/content.expected $testroot/content
65 		test_done "$testroot" "$ret"
66 		return 1
67 	fi
68 
69 	if [ -e "$testroot/wt/new" ]; then
70 		echo "file '$testroot/wt/new' still exists on disk" >&2
71 		test_done "$testroot" "$ret"
72 		return 1
73 	fi
74 
75 	if [ ! -e "$testroot/wt/epsilon/zeta" ]; then
76 		echo "file '$testroot/wt/epsilon/zeta' is missing on disk" >&2
77 		test_done "$testroot" "$ret"
78 		return 1
79 	fi
80 
81 	echo 'M  alpha' > $testroot/stdout.expected
82 	echo 'A  epsilon/zeta' >> $testroot/stdout.expected
83 	echo 'D  new' >> $testroot/stdout.expected
84 	(cd $testroot/wt && got status > $testroot/stdout)
85 	cmp -s $testroot/stdout.expected $testroot/stdout
86 	ret=$?
87 	if [ $ret -ne 0 ]; then
88 		diff -u $testroot/stdout.expected $testroot/stdout
89 	fi
90 	test_done "$testroot" "$ret"
91 }
92 
93 test_backout_edits_for_file_since_deleted() {
94 	local testroot=`test_init backout_edits_for_file_since_deleted`
95 
96 	got checkout $testroot/repo $testroot/wt > /dev/null
97 	ret=$?
98 	if [ $ret -ne 0 ]; then
99 		test_done "$testroot" "$ret"
100 		return 1
101 	fi
102 
103 	echo "modified alpha" > $testroot/wt/alpha
104 	(cd $testroot/wt && got commit -m "changing alpha" > /dev/null)
105 
106 	local bad_commit=`git_show_head $testroot/repo`
107 
108 
109 	(cd $testroot/wt && got update > /dev/null)
110 
111 	(cd $testroot/wt && got rm alpha > /dev/null)
112 	(cd $testroot/wt && got commit -m "removing alpha" > /dev/null)
113 
114 	(cd $testroot/wt && got update > /dev/null)
115 
116 	(cd $testroot/wt && got backout $bad_commit > $testroot/stdout)
117 
118 	echo "!  alpha" > $testroot/stdout.expected
119 	echo "Backed out commit $bad_commit" >> $testroot/stdout.expected
120 	echo -n "Files which had incoming changes but could not be found " \
121 		>> $testroot/stdout.expected
122 	echo "in the work tree: 1" >> $testroot/stdout.expected
123 	cmp -s $testroot/stdout.expected $testroot/stdout
124 	ret=$?
125 	if [ $ret -ne 0 ]; then
126 		diff -u $testroot/stdout.expected $testroot/stdout
127 		test_done "$testroot" "$ret"
128 		return 1
129 	fi
130 
131 	if [ -e "$testroot/wt/alpha" ]; then
132 		echo "file '$testroot/wt/alpha' still exists on disk" >&2
133 		test_done "$testroot" "$ret"
134 		return 1
135 	fi
136 
137 	echo -n '' > $testroot/stdout.expected
138 	(cd $testroot/wt && got status > $testroot/stdout)
139 	cmp -s $testroot/stdout.expected $testroot/stdout
140 	ret=$?
141 	if [ $ret -ne 0 ]; then
142 		diff -u $testroot/stdout.expected $testroot/stdout
143 	fi
144 	test_done "$testroot" "$ret"
145 }
146 
147 test_backout_next_commit() {
148 	local testroot=`test_init backout_next_commit`
149 	local commit0=`git_show_head $testroot/repo`
150 
151 	got checkout $testroot/repo $testroot/wt > /dev/null
152 	ret=$?
153 	if [ $ret -ne 0 ]; then
154 		test_done "$testroot" "$ret"
155 		return 1
156 	fi
157 
158 	echo "new" > $testroot/wt/new
159 	(cd $testroot/wt && got add new > /dev/null)
160 	echo "modified alpha" > $testroot/wt/alpha
161 	(cd $testroot/wt && got rm epsilon/zeta > /dev/null)
162 	(cd $testroot/wt && got commit -m "bad changes" > /dev/null)
163 
164 	local bad_commit=`git_show_head $testroot/repo`
165 
166 	(cd $testroot/wt && got update -c $commit0 > /dev/null)
167 
168 	(cd $testroot/wt && got backout $bad_commit > $testroot/stdout)
169 
170 	echo "G  alpha" > $testroot/stdout.expected
171 	echo "G  epsilon/zeta" >> $testroot/stdout.expected
172 	echo "!  new" >> $testroot/stdout.expected
173 	echo "Backed out commit $bad_commit" >> $testroot/stdout.expected
174 	echo -n "Files which had incoming changes but could not be found " \
175 		>> $testroot/stdout.expected
176 	echo "in the work tree: 1" >> $testroot/stdout.expected
177 	cmp -s $testroot/stdout.expected $testroot/stdout
178 	ret=$?
179 	if [ $ret -ne 0 ]; then
180 		diff -u $testroot/stdout.expected $testroot/stdout
181 		test_done "$testroot" "$ret"
182 		return 1
183 	fi
184 
185 	if [ -e "$testroot/wt/new" ]; then
186 		echo "file '$testroot/wt/new' still exists on disk" >&2
187 		test_done "$testroot" "$ret"
188 		return 1
189 	fi
190 
191 	echo "zeta" > $testroot/content.expected
192 	cat $testroot/wt/epsilon/zeta > $testroot/content
193 	cmp -s $testroot/content.expected $testroot/content
194 	ret=$?
195 	if [ $ret -ne 0 ]; then
196 		diff -u $testroot/content.expected $testroot/content
197 		test_done "$testroot" "$ret"
198 		return 1
199 	fi
200 
201 	echo -n '' > $testroot/stdout.expected
202 	(cd $testroot/wt && got status > $testroot/stdout)
203 	cmp -s $testroot/stdout.expected $testroot/stdout
204 	ret=$?
205 	if [ $ret -ne 0 ]; then
206 		diff -u $testroot/stdout.expected $testroot/stdout
207 	fi
208 	test_done "$testroot" "$ret"
209 }
210 
211 test_backout_umask() {
212 	local testroot=`test_init backout_umask`
213 
214 	got checkout "$testroot/repo" "$testroot/wt" >/dev/null
215 	echo "edit alpha" >$testroot/wt/alpha
216 	(cd "$testroot/wt" && got commit -m 'edit alpha') >/dev/null
217 	ret=$?
218 	if [ $ret -ne 0 ]; then
219 		test_done "$testroot" $ret
220 		return 1
221 	fi
222 
223 	local commit=`git_show_head "$testroot/repo"`
224 
225 	(cd "$testroot/wt" && got update) >/dev/null
226 
227 	# using a subshell to avoid clobbering global umask
228 	(umask 077 && cd "$testroot/wt" && got backout $commit) >/dev/null
229 	ret=$?
230 	if [ $ret -ne 0 ]; then
231 		test_done "$testroot" $ret
232 		return 1
233 	fi
234 
235 	if ! ls -l "$testroot/wt/alpha" | grep -q ^-rw-------; then
236 		echo "alpha is not 0600 after backout" >&2
237 		ls -l "$testroot/wt/alpha" >&2
238 		test_done "$testroot" $ret
239 		return 1
240 	fi
241 
242 	test_done "$testroot" 0
243 }
244 
245 test_parseargs "$@"
246 run_test test_backout_basic
247 run_test test_backout_edits_for_file_since_deleted
248 run_test test_backout_next_commit
249 run_test test_backout_umask