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 
76 test_cat_path() {
77 	local testroot=`test_init cat_path`
78 	local commit_id=`git_show_head $testroot/repo`
79 	local author_time=`git_show_author_time $testroot/repo`
80 	local alpha_id=`got tree -r $testroot/repo -i | grep 'alpha$' | cut -d' ' -f 1`
81 	local gamma_id=`got tree -r $testroot/repo -i | grep 'gamma/$' | cut -d' ' -f 1`
82 	local delta_id=`got tree -r $testroot/repo -i gamma | grep 'delta$' | cut -d' ' -f 1`
83 
84 	# cat blob by path
85 	echo "alpha" > $testroot/stdout.expected
86 	got cat -r $testroot/repo alpha > $testroot/stdout
87 	cmp -s $testroot/stdout.expected $testroot/stdout
88 	ret=$?
89 	if [ $ret -ne 0 ]; then
90 		diff -u $testroot/stdout.expected $testroot/stdout
91 		test_done "$testroot" "$ret"
92 		return 1
93 	fi
94 
95 	# cat tree by path
96 	echo "$delta_id 0100644 delta" > $testroot/stdout.expected
97 	got cat -r $testroot/repo gamma > $testroot/stdout
98 	cmp -s $testroot/stdout.expected $testroot/stdout
99 	ret=$?
100 	if [ $ret -ne 0 ]; then
101 		diff -u $testroot/stdout.expected $testroot/stdout
102 		test_done "$testroot" "$ret"
103 		return 1
104 	fi
105 
106 	(cd $testroot && got checkout repo wt > /dev/null)
107 	echo "modified alpha" > $testroot/wt/alpha
108 	(cd $testroot/wt && got commit -m "changed alpha" > /dev/null)
109 	local commit_id2=`git_show_head $testroot/repo`
110 	local author_time2=`git_show_author_time $testroot/repo`
111 	local tree_commit2=`git_show_tree $testroot/repo`
112 
113 	# cat blob by path in specific commit
114 	echo "alpha" > $testroot/stdout.expected
115 	got cat -r $testroot/repo -c $commit_id alpha > $testroot/stdout
116 	cmp -s $testroot/stdout.expected $testroot/stdout
117 	ret=$?
118 	if [ $ret -ne 0 ]; then
119 		diff -u $testroot/stdout.expected $testroot/stdout
120 		test_done "$testroot" "$ret"
121 		return 1
122 	fi
123 	echo "modified alpha" > $testroot/stdout.expected
124 	got cat -r $testroot/repo -c $commit_id2 alpha > $testroot/stdout
125 	cmp -s $testroot/stdout.expected $testroot/stdout
126 	ret=$?
127 	if [ $ret -ne 0 ]; then
128 		diff -u $testroot/stdout.expected $testroot/stdout
129 		test_done "$testroot" "$ret"
130 		return 1
131 	fi
132 
133 	# resolve ambiguities between paths and other arguments
134 	echo "new file called master" > $testroot/wt/master
135 	echo "new file called $commit_id2" > $testroot/wt/$commit_id2
136 	(cd $testroot/wt && got add master $commit_id2 > /dev/null)
137 	(cd $testroot/wt && got commit -m "added clashing paths" > /dev/null)
138 	local commit_id3=`git_show_head $testroot/repo`
139 	local author_time3=`git_show_author_time $testroot/repo`
140 
141 	# references and object IDs override paths:
142 	echo -n "tree " > $testroot/stdout.expected
143 	git_show_tree $testroot/repo >> $testroot/stdout.expected
144 	echo >> $testroot/stdout.expected
145 	echo "numparents 1" >> $testroot/stdout.expected
146 	echo "parent $commit_id2" >> $testroot/stdout.expected
147 	echo "author $GOT_AUTHOR $author_time3 +0000" >> $testroot/stdout.expected
148 	echo "committer $GOT_AUTHOR $author_time3 +0000" \
149 		>> $testroot/stdout.expected
150 	echo "messagelen 22" >> $testroot/stdout.expected
151 	printf "\nadded clashing paths\n" >> $testroot/stdout.expected
152 
153 	for arg in master $commit_id3; do
154 		got cat -r $testroot/repo $arg > $testroot/stdout
155 		cmp -s $testroot/stdout.expected $testroot/stdout
156 		ret=$?
157 		if [ $ret -ne 0 ]; then
158 			diff -u $testroot/stdout.expected $testroot/stdout
159 			test_done "$testroot" "$ret"
160 			return 1
161 		fi
162 	done
163 
164 	echo "tree $tree_commit2" > $testroot/stdout.expected
165 	echo "numparents 1" >> $testroot/stdout.expected
166 	echo "parent $commit_id" >> $testroot/stdout.expected
167 	echo "author $GOT_AUTHOR $author_time2 +0000" >> $testroot/stdout.expected
168 	echo "committer $GOT_AUTHOR $author_time2 +0000" \
169 		>> $testroot/stdout.expected
170 	echo "messagelen 15" >> $testroot/stdout.expected
171 	printf "\nchanged alpha\n" >> $testroot/stdout.expected
172 
173 	got cat -r $testroot/repo $commit_id2 > $testroot/stdout
174 	cmp -s $testroot/stdout.expected $testroot/stdout
175 	ret=$?
176 	if [ $ret -ne 0 ]; then
177 		diff -u $testroot/stdout.expected $testroot/stdout
178 		test_done "$testroot" "$ret"
179 		return 1
180 	fi
181 
182 	# force resolution of path 'master'
183 	echo "new file called master" > $testroot/stdout.expected
184 	got cat -r $testroot/repo -P master > $testroot/stdout
185 	cmp -s $testroot/stdout.expected $testroot/stdout
186 	ret=$?
187 	if [ $ret -ne 0 ]; then
188 		diff -u $testroot/stdout.expected $testroot/stdout
189 		test_done "$testroot" "$ret"
190 		return 1
191 	fi
192 
193 	# force resolution of path "$commit_id2"
194 	echo "new file called $commit_id2" > $testroot/stdout.expected
195 	got cat -r $testroot/repo -P $commit_id2 > $testroot/stdout
196 	cmp -s $testroot/stdout.expected $testroot/stdout
197 	ret=$?
198 	if [ $ret -ne 0 ]; then
199 		diff -u $testroot/stdout.expected $testroot/stdout
200 		test_done "$testroot" "$ret"
201 		return 1
202 	fi
203 	test_done "$testroot" "$ret"
204 }
205 
206 test_cat_submodule() {
207 	local testroot=`test_init cat_submodule`
208 
209 	make_single_file_repo $testroot/repo2 foo
210 
211 	(cd $testroot/repo && git 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 submodule -q add ../repo2)
242 	(cd $testroot/repo && git commit -q -m 'adding submodule')
243 
244 	# 'got cat' shows the commit object which the submodule points to
245 	# because a commit with the same ID exists in the outer repository
246 	got cat -r $testroot/repo $commit_id0 | grep ^tree > $testroot/stdout.expected
247 	echo "numparents 0" >> $testroot/stdout.expected
248 	echo "author $GOT_AUTHOR $author_time $gmtoff" >> $testroot/stdout.expected
249 	echo "committer $GOT_AUTHOR $author_time $gmtoff" \
250 		>> $testroot/stdout.expected
251 	echo "messagelen 22" >> $testroot/stdout.expected
252 	printf "\nadding the test tree\n" >> $testroot/stdout.expected
253 
254 	got cat -r $testroot/repo repo2 > $testroot/stdout
255 	cmp -s $testroot/stdout.expected $testroot/stdout
256 	ret=$?
257 	if [ $ret -ne 0 ]; then
258 		diff -u $testroot/stdout.expected $testroot/stdout
259 	fi
260 
261 	test_done "$testroot" "$ret"
262 }
263 
264 test_cat_symlink() {
265 	local testroot=`test_init cat_symlink`
266 	local commit_id=`git_show_head $testroot/repo`
267 	local author_time=`git_show_author_time $testroot/repo`
268 
269 	(cd $testroot/repo && ln -s alpha alpha.link)
270 	(cd $testroot/repo && ln -s epsilon epsilon.link)
271 	(cd $testroot/repo && ln -s /etc/passwd passwd.link)
272 	(cd $testroot/repo && ln -s ../beta epsilon/beta.link)
273 	(cd $testroot/repo && ln -s nonexistent nonexistent.link)
274 	(cd $testroot/repo && git add .)
275 	git_commit $testroot/repo -m "add symlinks"
276 
277 	local alpha_link_id=`got tree -r $testroot/repo -i | grep 'alpha.link@ -> alpha$' | cut -d' ' -f 1`
278 	local epsilon_link_id=`got tree -r $testroot/repo -i | grep 'epsilon.link@ -> epsilon$' | cut -d' ' -f 1`
279 	local passwd_link_id=`got tree -r $testroot/repo -i | grep 'passwd.link@ -> /etc/passwd$' | cut -d' ' -f 1`
280 	local epsilon_beta_link_id=`got tree -r $testroot/repo -i epsilon | grep 'beta.link@ -> ../beta$' | cut -d' ' -f 1`
281 	local nonexistent_link_id=`got tree -r $testroot/repo -i | grep 'nonexistent.link@ -> nonexistent$' | cut -d' ' -f 1`
282 
283 	# cat symlink to regular file
284 	echo -n "alpha" > $testroot/stdout.expected
285 	got cat -r $testroot/repo $alpha_link_id > $testroot/stdout
286 	cmp -s $testroot/stdout.expected $testroot/stdout
287 	ret=$?
288 	if [ $ret -ne 0 ]; then
289 		diff -u $testroot/stdout.expected $testroot/stdout
290 		test_done "$testroot" "$ret"
291 		return 1
292 	fi
293 
294 	# cat symlink with relative path to regular file
295 	echo -n "../beta" > $testroot/stdout.expected
296 	got cat -r $testroot/repo $epsilon_beta_link_id > $testroot/stdout
297 	cmp -s $testroot/stdout.expected $testroot/stdout
298 	ret=$?
299 	if [ $ret -ne 0 ]; then
300 		diff -u $testroot/stdout.expected $testroot/stdout
301 		test_done "$testroot" "$ret"
302 		return 1
303 	fi
304 
305 	# cat symlink to a tree
306 	echo -n "epsilon" > $testroot/stdout.expected
307 	got cat -r $testroot/repo $epsilon_link_id > $testroot/stdout
308 	cmp -s $testroot/stdout.expected $testroot/stdout
309 	ret=$?
310 	if [ $ret -ne 0 ]; then
311 		diff -u $testroot/stdout.expected $testroot/stdout
312 		test_done "$testroot" "$ret"
313 		return 1
314 	fi
315 
316 	# cat symlink to paths which don't exist in repository
317 	echo -n "/etc/passwd" > $testroot/stdout.expected
318 	got cat -r $testroot/repo $passwd_link_id > $testroot/stdout
319 	cmp -s $testroot/stdout.expected $testroot/stdout
320 	ret=$?
321 	if [ $ret -ne 0 ]; then
322 		diff -u $testroot/stdout.expected $testroot/stdout
323 		test_done "$testroot" "$ret"
324 		return 1
325 	fi
326 
327 	echo -n "nonexistent" > $testroot/stdout.expected
328 	got cat -r $testroot/repo $nonexistent_link_id > $testroot/stdout
329 	cmp -s $testroot/stdout.expected $testroot/stdout
330 	ret=$?
331 	if [ $ret -ne 0 ]; then
332 		diff -u $testroot/stdout.expected $testroot/stdout
333 		test_done "$testroot" "$ret"
334 		return 1
335 	fi
336 
337 	test_done "$testroot" "$ret"
338 }
339 
340 test_parseargs "$@"
341 run_test test_cat_basic
342 run_test test_cat_path
343 run_test test_cat_submodule
344 run_test test_cat_submodule_of_same_repo
345 run_test test_cat_symlink