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_cat_basic() {
20 	local testroot=`test_init cat_basic`
21 	local commit_id=`git_show_head $testroot/repo`
22 	local author_time=`git_show_author_time $testroot/repo`
23 	local gmtoff=`date +%z`
24 	local alpha_id=`got tree -r $testroot/repo -i | grep 'alpha$' | cut -d' ' -f 1`
25 	local gamma_id=`got tree -r $testroot/repo -i | grep 'gamma/$' | cut -d' ' -f 1`
26 	local delta_id=`got tree -r $testroot/repo -i gamma | grep 'delta$' | cut -d' ' -f 1`
27 
28 	# cat blob
29 	echo "alpha" > $testroot/stdout.expected
30 	got cat -r $testroot/repo $alpha_id > $testroot/stdout
31 	cmp -s $testroot/stdout.expected $testroot/stdout
32 	ret=$?
33 	if [ $ret -ne 0 ]; then
34 		diff -u $testroot/stdout.expected $testroot/stdout
35 		test_done "$testroot" "$ret"
36 		return 1
37 	fi
38 
39 	# cat tree
40 	echo "$delta_id 0100644 delta" > $testroot/stdout.expected
41 	got cat -r $testroot/repo $gamma_id > $testroot/stdout
42 	cmp -s $testroot/stdout.expected $testroot/stdout
43 	ret=$?
44 	if [ $ret -ne 0 ]; then
45 		diff -u $testroot/stdout.expected $testroot/stdout
46 		test_done "$testroot" "$ret"
47 		return 1
48 	fi
49 
50 	# cat commit
51 	echo -n "tree " > $testroot/stdout.expected
52 	git_show_tree $testroot/repo >> $testroot/stdout.expected
53 	echo >> $testroot/stdout.expected
54 	echo "numparents 0" >> $testroot/stdout.expected
55 	echo "author $GOT_AUTHOR $author_time $gmtoff" >> $testroot/stdout.expected
56 	echo "committer $GOT_AUTHOR $author_time $gmtoff" \
57 		>> $testroot/stdout.expected
58 	echo "messagelen 22" >> $testroot/stdout.expected
59 	printf "\nadding the test tree\n" >> $testroot/stdout.expected
60 
61 	got cat -r $testroot/repo $commit_id > $testroot/stdout
62 	cmp -s $testroot/stdout.expected $testroot/stdout
63 	ret=$?
64 	if [ $ret -ne 0 ]; then
65 		diff -u $testroot/stdout.expected $testroot/stdout
66 		test_done "$testroot" "$ret"
67 		return 1
68 	fi
69 
70 	# TODO: test cat tag
71 
72 	test_done "$testroot" "$ret"
73 }
74 
75 test_cat_path() {
76 	local testroot=`test_init cat_path`
77 	local commit_id=`git_show_head $testroot/repo`
78 	local author_time=`git_show_author_time $testroot/repo`
79 	local alpha_id=`got tree -r $testroot/repo -i | grep 'alpha$' | cut -d' ' -f 1`
80 	local gamma_id=`got tree -r $testroot/repo -i | grep 'gamma/$' | cut -d' ' -f 1`
81 	local delta_id=`got tree -r $testroot/repo -i gamma | grep 'delta$' | cut -d' ' -f 1`
82 
83 	# cat blob by path
84 	echo "alpha" > $testroot/stdout.expected
85 	got cat -r $testroot/repo alpha > $testroot/stdout
86 	cmp -s $testroot/stdout.expected $testroot/stdout
87 	ret=$?
88 	if [ $ret -ne 0 ]; then
89 		diff -u $testroot/stdout.expected $testroot/stdout
90 		test_done "$testroot" "$ret"
91 		return 1
92 	fi
93 
94 	# cat tree by path
95 	echo "$delta_id 0100644 delta" > $testroot/stdout.expected
96 	got cat -r $testroot/repo gamma > $testroot/stdout
97 	cmp -s $testroot/stdout.expected $testroot/stdout
98 	ret=$?
99 	if [ $ret -ne 0 ]; then
100 		diff -u $testroot/stdout.expected $testroot/stdout
101 		test_done "$testroot" "$ret"
102 		return 1
103 	fi
104 
105 	(cd $testroot && got checkout repo wt > /dev/null)
106 	echo "modified alpha" > $testroot/wt/alpha
107 	(cd $testroot/wt && got commit -m "changed alpha" > /dev/null)
108 	local commit_id2=`git_show_head $testroot/repo`
109 	local author_time2=`git_show_author_time $testroot/repo`
110 	local tree_commit2=`git_show_tree $testroot/repo`
111 
112 	# cat blob by path in specific commit
113 	echo "alpha" > $testroot/stdout.expected
114 	got cat -r $testroot/repo -c $commit_id alpha > $testroot/stdout
115 	cmp -s $testroot/stdout.expected $testroot/stdout
116 	ret=$?
117 	if [ $ret -ne 0 ]; then
118 		diff -u $testroot/stdout.expected $testroot/stdout
119 		test_done "$testroot" "$ret"
120 		return 1
121 	fi
122 	echo "modified alpha" > $testroot/stdout.expected
123 	got cat -r $testroot/repo -c $commit_id2 alpha > $testroot/stdout
124 	cmp -s $testroot/stdout.expected $testroot/stdout
125 	ret=$?
126 	if [ $ret -ne 0 ]; then
127 		diff -u $testroot/stdout.expected $testroot/stdout
128 		test_done "$testroot" "$ret"
129 		return 1
130 	fi
131 
132 	# resolve ambiguities between paths and other arguments
133 	echo "new file called master" > $testroot/wt/master
134 	echo "new file called $commit_id2" > $testroot/wt/$commit_id2
135 	(cd $testroot/wt && got add master $commit_id2 > /dev/null)
136 	(cd $testroot/wt && got commit -m "added clashing paths" > /dev/null)
137 	local commit_id3=`git_show_head $testroot/repo`
138 	local author_time3=`git_show_author_time $testroot/repo`
139 
140 	# references and object IDs override paths:
141 	echo -n "tree " > $testroot/stdout.expected
142 	git_show_tree $testroot/repo >> $testroot/stdout.expected
143 	echo >> $testroot/stdout.expected
144 	echo "numparents 1" >> $testroot/stdout.expected
145 	echo "parent $commit_id2" >> $testroot/stdout.expected
146 	echo "author $GOT_AUTHOR $author_time3 +0000" >> $testroot/stdout.expected
147 	echo "committer $GOT_AUTHOR $author_time3 +0000" \
148 		>> $testroot/stdout.expected
149 	echo "messagelen 22" >> $testroot/stdout.expected
150 	printf "\nadded clashing paths\n" >> $testroot/stdout.expected
151 
152 	for arg in master $commit_id3; do
153 		got cat -r $testroot/repo $arg > $testroot/stdout
154 		cmp -s $testroot/stdout.expected $testroot/stdout
155 		ret=$?
156 		if [ $ret -ne 0 ]; then
157 			diff -u $testroot/stdout.expected $testroot/stdout
158 			test_done "$testroot" "$ret"
159 			return 1
160 		fi
161 	done
162 
163 	echo "tree $tree_commit2" > $testroot/stdout.expected
164 	echo "numparents 1" >> $testroot/stdout.expected
165 	echo "parent $commit_id" >> $testroot/stdout.expected
166 	echo "author $GOT_AUTHOR $author_time2 +0000" >> $testroot/stdout.expected
167 	echo "committer $GOT_AUTHOR $author_time2 +0000" \
168 		>> $testroot/stdout.expected
169 	echo "messagelen 15" >> $testroot/stdout.expected
170 	printf "\nchanged alpha\n" >> $testroot/stdout.expected
171 
172 	got cat -r $testroot/repo $commit_id2 > $testroot/stdout
173 	cmp -s $testroot/stdout.expected $testroot/stdout
174 	ret=$?
175 	if [ $ret -ne 0 ]; then
176 		diff -u $testroot/stdout.expected $testroot/stdout
177 		test_done "$testroot" "$ret"
178 		return 1
179 	fi
180 
181 	# force resolution of path 'master'
182 	echo "new file called master" > $testroot/stdout.expected
183 	got cat -r $testroot/repo -P master > $testroot/stdout
184 	cmp -s $testroot/stdout.expected $testroot/stdout
185 	ret=$?
186 	if [ $ret -ne 0 ]; then
187 		diff -u $testroot/stdout.expected $testroot/stdout
188 		test_done "$testroot" "$ret"
189 		return 1
190 	fi
191 
192 	# force resolution of path "$commit_id2"
193 	echo "new file called $commit_id2" > $testroot/stdout.expected
194 	got cat -r $testroot/repo -P $commit_id2 > $testroot/stdout
195 	cmp -s $testroot/stdout.expected $testroot/stdout
196 	ret=$?
197 	if [ $ret -ne 0 ]; then
198 		diff -u $testroot/stdout.expected $testroot/stdout
199 		test_done "$testroot" "$ret"
200 		return 1
201 	fi
202 	test_done "$testroot" "$ret"
203 }
204 
205 test_cat_submodule() {
206 	local testroot=`test_init cat_submodule`
207 
208 	make_single_file_repo $testroot/repo2 foo
209 
210 	(cd $testroot/repo && git -c protocol.file.allow=always \
211 		submodule -q add ../repo2)
212 	(cd $testroot/repo && git commit -q -m 'adding submodule')
213 
214 	got cat -r $testroot/repo repo2 > $testroot/stdout \
215 		> $testroot/stdout 2> $testroot/stderr
216 	ret=$?
217 	if [ $ret -eq 0 ]; then
218 		echo "cat command succeeded unexpectedly" >&2
219 		test_done "$testroot" "1"
220 		return 1
221 	fi
222 	local submodule_id=$(got tree -r $testroot/repo -i | \
223 		grep 'repo2\$$' | cut -d ' ' -f1)
224 	echo "got: object $submodule_id not found" > $testroot/stderr.expected
225 
226 	cmp -s $testroot/stderr.expected $testroot/stderr
227 	ret=$?
228 	if [ $ret -ne 0 ]; then
229 		diff -u $testroot/stderr.expected $testroot/stderr
230 	fi
231 	test_done "$testroot" "$ret"
232 }
233 
234 test_cat_submodule_of_same_repo() {
235 	local testroot=`test_init cat_submodule_of_same_repo`
236 	local commit_id0=`git_show_head $testroot/repo`
237 	local author_time=`git_show_author_time $testroot/repo`
238 	local gmtoff=`date +%z`
239 
240 	(cd $testroot && git clone -q repo repo2 >/dev/null)
241 	(cd $testroot/repo && git -c protocol.file.allow=always \
242 		submodule -q add ../repo2)
243 	(cd $testroot/repo && git commit -q -m 'adding submodule')
244 
245 	# 'got cat' shows the commit object which the submodule points to
246 	# because a commit with the same ID exists in the outer repository
247 	got cat -r $testroot/repo $commit_id0 | grep ^tree > $testroot/stdout.expected
248 	echo "numparents 0" >> $testroot/stdout.expected
249 	echo "author $GOT_AUTHOR $author_time $gmtoff" >> $testroot/stdout.expected
250 	echo "committer $GOT_AUTHOR $author_time $gmtoff" \
251 		>> $testroot/stdout.expected
252 	echo "messagelen 22" >> $testroot/stdout.expected
253 	printf "\nadding the test tree\n" >> $testroot/stdout.expected
254 
255 	got cat -r $testroot/repo repo2 > $testroot/stdout
256 	cmp -s $testroot/stdout.expected $testroot/stdout
257 	ret=$?
258 	if [ $ret -ne 0 ]; then
259 		diff -u $testroot/stdout.expected $testroot/stdout
260 	fi
261 
262 	test_done "$testroot" "$ret"
263 }
264 
265 test_cat_symlink() {
266 	local testroot=`test_init cat_symlink`
267 	local commit_id=`git_show_head $testroot/repo`
268 	local author_time=`git_show_author_time $testroot/repo`
269 
270 	(cd $testroot/repo && ln -s alpha alpha.link)
271 	(cd $testroot/repo && ln -s epsilon epsilon.link)
272 	(cd $testroot/repo && ln -s /etc/passwd passwd.link)
273 	(cd $testroot/repo && ln -s ../beta epsilon/beta.link)
274 	(cd $testroot/repo && ln -s nonexistent nonexistent.link)
275 	(cd $testroot/repo && git add .)
276 	git_commit $testroot/repo -m "add symlinks"
277 
278 	local alpha_link_id=`got tree -r $testroot/repo -i | grep 'alpha.link@ -> alpha$' | cut -d' ' -f 1`
279 	local epsilon_link_id=`got tree -r $testroot/repo -i | grep 'epsilon.link@ -> epsilon$' | cut -d' ' -f 1`
280 	local passwd_link_id=`got tree -r $testroot/repo -i | grep 'passwd.link@ -> /etc/passwd$' | cut -d' ' -f 1`
281 	local epsilon_beta_link_id=`got tree -r $testroot/repo -i epsilon | grep 'beta.link@ -> ../beta$' | cut -d' ' -f 1`
282 	local nonexistent_link_id=`got tree -r $testroot/repo -i | grep 'nonexistent.link@ -> nonexistent$' | cut -d' ' -f 1`
283 
284 	# cat symlink to regular file
285 	echo -n "alpha" > $testroot/stdout.expected
286 	got cat -r $testroot/repo $alpha_link_id > $testroot/stdout
287 	cmp -s $testroot/stdout.expected $testroot/stdout
288 	ret=$?
289 	if [ $ret -ne 0 ]; then
290 		diff -u $testroot/stdout.expected $testroot/stdout
291 		test_done "$testroot" "$ret"
292 		return 1
293 	fi
294 
295 	# cat symlink with relative path to regular file
296 	echo -n "../beta" > $testroot/stdout.expected
297 	got cat -r $testroot/repo $epsilon_beta_link_id > $testroot/stdout
298 	cmp -s $testroot/stdout.expected $testroot/stdout
299 	ret=$?
300 	if [ $ret -ne 0 ]; then
301 		diff -u $testroot/stdout.expected $testroot/stdout
302 		test_done "$testroot" "$ret"
303 		return 1
304 	fi
305 
306 	# cat symlink to a tree
307 	echo -n "epsilon" > $testroot/stdout.expected
308 	got cat -r $testroot/repo $epsilon_link_id > $testroot/stdout
309 	cmp -s $testroot/stdout.expected $testroot/stdout
310 	ret=$?
311 	if [ $ret -ne 0 ]; then
312 		diff -u $testroot/stdout.expected $testroot/stdout
313 		test_done "$testroot" "$ret"
314 		return 1
315 	fi
316 
317 	# cat symlink to paths which don't exist in repository
318 	echo -n "/etc/passwd" > $testroot/stdout.expected
319 	got cat -r $testroot/repo $passwd_link_id > $testroot/stdout
320 	cmp -s $testroot/stdout.expected $testroot/stdout
321 	ret=$?
322 	if [ $ret -ne 0 ]; then
323 		diff -u $testroot/stdout.expected $testroot/stdout
324 		test_done "$testroot" "$ret"
325 		return 1
326 	fi
327 
328 	echo -n "nonexistent" > $testroot/stdout.expected
329 	got cat -r $testroot/repo $nonexistent_link_id > $testroot/stdout
330 	cmp -s $testroot/stdout.expected $testroot/stdout
331 	ret=$?
332 	if [ $ret -ne 0 ]; then
333 		diff -u $testroot/stdout.expected $testroot/stdout
334 		test_done "$testroot" "$ret"
335 		return 1
336 	fi
337 
338 	test_done "$testroot" "$ret"
339 }
340 
341 test_parseargs "$@"
342 run_test test_cat_basic
343 run_test test_cat_path
344 run_test test_cat_submodule
345 run_test test_cat_submodule_of_same_repo
346 run_test test_cat_symlink