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 blame_cmp() {
20 	local testroot="$1"
21 	local file="$2"
22 	local xfail="$3"
23 
24 	(cd $testroot/wt && got blame "$file" | cut -d ' ' -f 2 \
25 		> $testroot/${file}.blame.got)
26 	(cd $testroot/repo && git reset --hard master > /dev/null)
27 	(cd $testroot/repo && git blame "$file" | cut -d ' ' -f 1 \
28 		> $testroot/${file}.blame.git)
29 
30 	cmp -s $testroot/${file}.blame.git $testroot/${file}.blame.got
31 	ret=$?
32 	if [ $ret -ne 0 -a "$xfail" = "" ]; then
33 		diff -u $testroot/${file}.blame.git $testroot/${file}.blame.got
34 		return 1
35 	fi
36 	return "$ret"
37 }
38 
39 test_blame_basic() {
40 	local testroot=`test_init blame_basic`
41 
42 	got checkout $testroot/repo $testroot/wt > /dev/null
43 	ret=$?
44 	if [ $ret -ne 0 ]; then
45 		test_done "$testroot" "$ret"
46 		return 1
47 	fi
48 
49 	echo 1 > $testroot/wt/alpha
50 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
51 	local commit1=`git_show_head $testroot/repo`
52 
53 	echo 2 >> $testroot/wt/alpha
54 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
55 	local commit2=`git_show_head $testroot/repo`
56 
57 	echo 3 >> $testroot/wt/alpha
58 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
59 	local commit3=`git_show_head $testroot/repo`
60 	local author_time=`git_show_author_time $testroot/repo`
61 
62 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
63 
64 	local short_commit1=`trim_obj_id 32 $commit1`
65 	local short_commit2=`trim_obj_id 32 $commit2`
66 	local short_commit3=`trim_obj_id 32 $commit3`
67 
68 	d=`date -u -r $author_time +"%G-%m-%d"`
69 	echo "1) $short_commit1 $d $GOT_AUTHOR_8 1" > $testroot/stdout.expected
70 	echo "2) $short_commit2 $d $GOT_AUTHOR_8 2" >> $testroot/stdout.expected
71 	echo "3) $short_commit3 $d $GOT_AUTHOR_8 3" >> $testroot/stdout.expected
72 
73 	cmp -s $testroot/stdout.expected $testroot/stdout
74 	ret=$?
75 	if [ $ret -ne 0 ]; then
76 		diff -u $testroot/stdout.expected $testroot/stdout
77 		test_done "$testroot" "$ret"
78 		return 1
79 	fi
80 
81 	blame_cmp "$testroot" "alpha"
82 	ret=$?
83 	test_done "$testroot" "$ret"
84 }
85 
86 test_blame_tag() {
87 	local testroot=`test_init blame_tag`
88 	local tag=1.0.0
89 
90 	got checkout $testroot/repo $testroot/wt > /dev/null
91 	ret=$?
92 	if [ $ret -ne 0 ]; then
93 		test_done "$testroot" "$ret"
94 		return 1
95 	fi
96 	echo 1 > $testroot/wt/alpha
97 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
98 	local commit1=`git_show_head $testroot/repo`
99 
100 	echo 2 >> $testroot/wt/alpha
101 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
102 	local commit2=`git_show_head $testroot/repo`
103 
104 	(cd $testroot/repo && git tag -a -m "test" $tag)
105 
106 	echo 3 >> $testroot/wt/alpha
107 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
108 	local commit3=`git_show_head $testroot/repo`
109 	local author_time=`git_show_author_time $testroot/repo`
110 
111 	(cd $testroot/wt && got blame -c $tag alpha > $testroot/stdout)
112 
113 	local short_commit1=`trim_obj_id 32 $commit1`
114 	local short_commit2=`trim_obj_id 32 $commit2`
115 
116 	d=`date -u -r $author_time +"%G-%m-%d"`
117 	echo "1) $short_commit1 $d $GOT_AUTHOR_8 1" > $testroot/stdout.expected
118 	echo "2) $short_commit2 $d $GOT_AUTHOR_8 2" >> $testroot/stdout.expected
119 
120 	cmp -s $testroot/stdout.expected $testroot/stdout
121 	ret=$?
122 	if [ $ret -ne 0 ]; then
123 		diff -u $testroot/stdout.expected $testroot/stdout
124 		test_done "$testroot" "$ret"
125 		return 1
126 	fi
127 
128 	blame_cmp "$testroot" "alpha"
129 	ret=$?
130 	test_done "$testroot" "$ret"
131 }
132 
133 test_blame_file_single_line() {
134 	local testroot=`test_init blame_file_single_line`
135 
136 	got checkout $testroot/repo $testroot/wt > /dev/null
137 	ret=$?
138 	if [ $ret -ne 0 ]; then
139 		test_done "$testroot" "$ret"
140 		return 1
141 	fi
142 
143 	echo 1 > $testroot/wt/alpha
144 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
145 	local commit1=`git_show_head $testroot/repo`
146 	local author_time=`git_show_author_time $testroot/repo`
147 
148 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
149 
150 	local short_commit1=`trim_obj_id 32 $commit1`
151 
152 	d=`date -u -r $author_time +"%G-%m-%d"`
153 	echo "1) $short_commit1 $d $GOT_AUTHOR_8 1" > $testroot/stdout.expected
154 
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" "$ret"
160 		return 1
161 	fi
162 
163 	blame_cmp "$testroot" "alpha"
164 	ret=$?
165 	test_done "$testroot" "$ret"
166 }
167 
168 test_blame_file_single_line_no_newline() {
169 	local testroot=`test_init blame_file_single_line_no_newline`
170 
171 	got checkout $testroot/repo $testroot/wt > /dev/null
172 	ret=$?
173 	if [ $ret -ne 0 ]; then
174 		test_done "$testroot" "$ret"
175 		return 1
176 	fi
177 
178 	echo -n 1 > $testroot/wt/alpha
179 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
180 	local commit1=`git_show_head $testroot/repo`
181 	local author_time=`git_show_author_time $testroot/repo`
182 
183 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
184 
185 	local short_commit1=`trim_obj_id 32 $commit1`
186 
187 	d=`date -u -r $author_time +"%G-%m-%d"`
188 	echo "1) $short_commit1 $d $GOT_AUTHOR_8 1" > $testroot/stdout.expected
189 
190 	cmp -s $testroot/stdout.expected $testroot/stdout
191 	ret=$?
192 	if [ $ret -ne 0 ]; then
193 		diff -u $testroot/stdout.expected $testroot/stdout
194 	fi
195 	test_done "$testroot" "$ret"
196 }
197 
198 test_blame_all_lines_replaced() {
199 	local testroot=`test_init blame_all_lines_replaced`
200 
201 	got checkout $testroot/repo $testroot/wt > /dev/null
202 	ret=$?
203 	if [ $ret -ne 0 ]; then
204 		test_done "$testroot" "$ret"
205 		return 1
206 	fi
207 
208 	jot 8 > $testroot/wt/alpha
209 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
210 	local commit1=`git_show_head $testroot/repo`
211 	local short_commit1=`trim_obj_id 32 $commit1`
212 	local author_time=`git_show_author_time $testroot/repo`
213 
214 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
215 
216 	d=`date -u -r $author_time +"%G-%m-%d"`
217 	echo "1) $short_commit1 $d $GOT_AUTHOR_8 1" > $testroot/stdout.expected
218 	echo "2) $short_commit1 $d $GOT_AUTHOR_8 2" >> $testroot/stdout.expected
219 	echo "3) $short_commit1 $d $GOT_AUTHOR_8 3" >> $testroot/stdout.expected
220 	echo "4) $short_commit1 $d $GOT_AUTHOR_8 4" >> $testroot/stdout.expected
221 	echo "5) $short_commit1 $d $GOT_AUTHOR_8 5" >> $testroot/stdout.expected
222 	echo "6) $short_commit1 $d $GOT_AUTHOR_8 6" >> $testroot/stdout.expected
223 	echo "7) $short_commit1 $d $GOT_AUTHOR_8 7" >> $testroot/stdout.expected
224 	echo "8) $short_commit1 $d $GOT_AUTHOR_8 8" >> $testroot/stdout.expected
225 
226 	cmp -s $testroot/stdout.expected $testroot/stdout
227 	ret=$?
228 	if [ $ret -ne 0 ]; then
229 		diff -u $testroot/stdout.expected $testroot/stdout
230 	fi
231 	test_done "$testroot" "$ret"
232 
233 }
234 
235 test_blame_lines_shifted_up() {
236 	local testroot=`test_init blame_lines_shifted_up`
237 
238 	got checkout $testroot/repo $testroot/wt > /dev/null
239 	ret=$?
240 	if [ $ret -ne 0 ]; then
241 		test_done "$testroot" "$ret"
242 		return 1
243 	fi
244 
245 	jot 8 > $testroot/wt/alpha
246 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
247 	local commit1=`git_show_head $testroot/repo`
248 	local short_commit1=`trim_obj_id 32 $commit1`
249 	local author_time=`git_show_author_time $testroot/repo`
250 
251 	ed -s $testroot/wt/alpha <<-\EOF
252 	g/^[345]$/d
253 	w
254 	EOF
255 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
256 	local commit2=`git_show_head $testroot/repo`
257 	local short_commit2=`trim_obj_id 32 $commit2`
258 
259 	jot 2 > $testroot/wt/alpha
260 	echo foo >> $testroot/wt/alpha
261 	echo bar >> $testroot/wt/alpha
262 	echo baz >> $testroot/wt/alpha
263 	jot 8 6 8 1 >> $testroot/wt/alpha
264 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
265 	local commit3=`git_show_head $testroot/repo`
266 	local short_commit3=`trim_obj_id 32 $commit3`
267 	local author_time=`git_show_author_time $testroot/repo`
268 
269 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
270 
271 	d=`date -u -r $author_time +"%G-%m-%d"`
272 	echo "1) $short_commit1 $d $GOT_AUTHOR_8 1" > $testroot/stdout.expected
273 	echo "2) $short_commit1 $d $GOT_AUTHOR_8 2" >> $testroot/stdout.expected
274 	echo "3) $short_commit3 $d $GOT_AUTHOR_8 foo" >> $testroot/stdout.expected
275 	echo "4) $short_commit3 $d $GOT_AUTHOR_8 bar" >> $testroot/stdout.expected
276 	echo "5) $short_commit3 $d $GOT_AUTHOR_8 baz" >> $testroot/stdout.expected
277 	echo "6) $short_commit1 $d $GOT_AUTHOR_8 6" >> $testroot/stdout.expected
278 	echo "7) $short_commit1 $d $GOT_AUTHOR_8 7" >> $testroot/stdout.expected
279 	echo "8) $short_commit1 $d $GOT_AUTHOR_8 8" >> $testroot/stdout.expected
280 
281 	cmp -s $testroot/stdout.expected $testroot/stdout
282 	ret=$?
283 	if [ $ret -ne 0 ]; then
284 		diff -u $testroot/stdout.expected $testroot/stdout
285 		test_done "$testroot" "$ret"
286 		return 1
287 	fi
288 
289 	blame_cmp "$testroot" "alpha"
290 	ret=$?
291 	test_done "$testroot" "$ret"
292 }
293 
294 test_blame_lines_shifted_down() {
295 	local testroot=`test_init blame_lines_shifted_down`
296 
297 	got checkout $testroot/repo $testroot/wt > /dev/null
298 	ret=$?
299 	if [ $ret -ne 0 ]; then
300 		test_done "$testroot" "$ret"
301 		return 1
302 	fi
303 
304 	jot 8 > $testroot/wt/alpha
305 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
306 	local commit1=`git_show_head $testroot/repo`
307 	local short_commit1=`trim_obj_id 32 $commit1`
308 	local author_time=`git_show_author_time $testroot/repo`
309 
310 	ed -s $testroot/wt/alpha <<-\EOF
311 	g/^8$/d
312 	w
313 	EOF
314 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
315 	local commit2=`git_show_head $testroot/repo`
316 	local short_commit2=`trim_obj_id 32 $commit2`
317 
318 	jot 2 > $testroot/wt/alpha
319 	echo foo >> $testroot/wt/alpha
320 	echo bar >> $testroot/wt/alpha
321 	echo baz >> $testroot/wt/alpha
322 	jot 8 3 8 1 >> $testroot/wt/alpha
323 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
324 	local commit3=`git_show_head $testroot/repo`
325 	local short_commit3=`trim_obj_id 32 $commit3`
326 	local author_time=`git_show_author_time $testroot/repo`
327 
328 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
329 
330 	d=`date -u -r $author_time +"%G-%m-%d"`
331 	echo "01) $short_commit1 $d $GOT_AUTHOR_8 1" \
332 		> $testroot/stdout.expected
333 	echo "02) $short_commit1 $d $GOT_AUTHOR_8 2" \
334 		>> $testroot/stdout.expected
335 	echo "03) $short_commit3 $d $GOT_AUTHOR_8 foo" \
336 		>> $testroot/stdout.expected
337 	echo "04) $short_commit3 $d $GOT_AUTHOR_8 bar" \
338 		>> $testroot/stdout.expected
339 	echo "05) $short_commit3 $d $GOT_AUTHOR_8 baz" \
340 		>> $testroot/stdout.expected
341 	echo "06) $short_commit1 $d $GOT_AUTHOR_8 3" \
342 		>> $testroot/stdout.expected
343 	echo "07) $short_commit1 $d $GOT_AUTHOR_8 4" \
344 		>> $testroot/stdout.expected
345 	echo "08) $short_commit1 $d $GOT_AUTHOR_8 5" \
346 		>> $testroot/stdout.expected
347 	echo "09) $short_commit1 $d $GOT_AUTHOR_8 6" \
348 		>> $testroot/stdout.expected
349 	echo "10) $short_commit1 $d $GOT_AUTHOR_8 7" \
350 		>> $testroot/stdout.expected
351 	echo "11) $short_commit3 $d $GOT_AUTHOR_8 8" \
352 		>> $testroot/stdout.expected
353 
354 	cmp -s $testroot/stdout.expected $testroot/stdout
355 	ret=$?
356 	if [ $ret -ne 0 ]; then
357 		diff -u $testroot/stdout.expected $testroot/stdout
358 		test_done "$testroot" "$ret"
359 		return 1
360 	fi
361 
362 	blame_cmp "$testroot" "alpha"
363 	ret=$?
364 	test_done "$testroot" "$ret"
365 }
366 
367 test_blame_commit_subsumed() {
368 	local testroot=`test_init blame_commit_subsumed`
369 
370 	got checkout $testroot/repo $testroot/wt > /dev/null
371 	ret=$?
372 	if [ $ret -ne 0 ]; then
373 		test_done "$testroot" "$ret"
374 		return 1
375 	fi
376 
377 	cat > $testroot/wt/alpha <<EOF
378 SUBDIRS = ext modules codedocs docs
379 
380 if WITH_PDNS_SERVER
381   SUBDIRS += pdns
382 endif
383 
384 EXTRA_DIST =
385 	INSTALL
386 	NOTICE
387 	README
388 	.version
389 	build-aux/gen-version
390 	codedocs/doxygen.conf
391 	contrib/powerdns.solaris.init.d
392 	pdns/named.conf.parsertest
393 	regression-tests/zones/unit.test
394 
395 ACLOCAL_AMFLAGS = -I m4
396 
397 dvi: # do nothing to build dvi
398 EOF
399 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
400 	local commit1=`git_show_head $testroot/repo`
401 	local short_commit1=`trim_obj_id 32 $commit1`
402 	local author_time1=`git_show_author_time $testroot/repo`
403 	local d1=`date -u -r $author_time1 +"%G-%m-%d"`
404 
405 	cat > $testroot/wt/alpha <<EOF
406 SUBDIRS = ext modules codedocs docs
407 
408 SUBDIRS += pdns
409 
410 EXTRA_DIST =
411 	INSTALL
412 	NOTICE
413 	README
414 	.version
415 	build-aux/gen-version
416 	codedocs/doxygen.conf
417 	contrib/powerdns.solaris.init.d
418 	pdns/named.conf.parsertest
419 	regression-tests/zones/unit.test
420 
421 ACLOCAL_AMFLAGS = -I m4
422 
423 dvi: # do nothing to build dvi
424 EOF
425 	# all changes in this commit will be subsumed by later commits
426 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
427 	local commit2=`git_show_head $testroot/repo`
428 	local short_commit2=`trim_obj_id 32 $commit2`
429 	local author_time2=`git_show_author_time $testroot/repo`
430 	local d2=`date -u -r $author_time2 +"%G-%m-%d"`
431 
432 	cat > $testroot/wt/alpha <<EOF
433 SUBDIRS = ext modules pdns codedocs docs
434 
435 EXTRA_DIST =
436 	INSTALL
437 	NOTICE
438 	README
439 	.version
440 	build-aux/gen-version
441 	codedocs/doxygen.conf
442 	contrib/powerdns.solaris.init.d
443 	pdns/named.conf.parsertest
444 	regression-tests/zones/unit.test
445 
446 ACLOCAL_AMFLAGS = -I m4
447 
448 dvi: # do nothing to build dvi
449 EOF
450 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
451 	local commit3=`git_show_head $testroot/repo`
452 	local short_commit3=`trim_obj_id 32 $commit3`
453 	local author_time3=`git_show_author_time $testroot/repo`
454 	local d3=`date -u -r $author_time3 +"%G-%m-%d"`
455 
456 	cat > $testroot/wt/alpha <<EOF
457 SUBDIRS = ext modules pdns codedocs docs
458 
459 EXTRA_DIST =
460 	INSTALL
461 	NOTICE
462 	README
463 	COPYING
464 	codedocs/doxygen.conf
465 	contrib/powerdns.solaris.init.d
466 	pdns/named.conf.parsertest
467 	regression-tests/zones/unit.test
468 	builder-support/gen-version
469 
470 ACLOCAL_AMFLAGS = -I m4
471 
472 dvi: # do nothing to build dvi
473 EOF
474 	(cd $testroot/wt && got commit -m "change 4" > /dev/null)
475 	local commit4=`git_show_head $testroot/repo`
476 	local short_commit4=`trim_obj_id 32 $commit4`
477 	local author_time4=`git_show_author_time $testroot/repo`
478 	local d4=`date -u -r $author_time4 +"%G-%m-%d"`
479 
480 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
481 
482 	echo -n "01) $short_commit3 $d3 $GOT_AUTHOR_8 " \
483 		> $testroot/stdout.expected
484 	echo "SUBDIRS = ext modules pdns codedocs docs" \
485 		>> $testroot/stdout.expected
486 	echo "02) $short_commit1 $d1 $GOT_AUTHOR_8 " \
487 		>> $testroot/stdout.expected
488 	echo -n "03) $short_commit1 $d1 $GOT_AUTHOR_8 " \
489 		>> $testroot/stdout.expected
490 	echo 'EXTRA_DIST =' >> $testroot/stdout.expected
491 	echo -n "04) $short_commit1 $d1 $GOT_AUTHOR_8 " \
492 		>> $testroot/stdout.expected
493 	printf "\tINSTALL\n" >> $testroot/stdout.expected
494 	echo -n "05) $short_commit1 $d1 $GOT_AUTHOR_8 " \
495 		>> $testroot/stdout.expected
496 	printf "\tNOTICE\n" >> $testroot/stdout.expected
497 	echo -n "06) $short_commit1 $d1 $GOT_AUTHOR_8 " \
498 		>> $testroot/stdout.expected
499 	printf "\tREADME\n"  >> $testroot/stdout.expected
500 	echo -n "07) $short_commit4 $d4 $GOT_AUTHOR_8 " \
501 		>> $testroot/stdout.expected
502 	printf "\tCOPYING\n" >> $testroot/stdout.expected
503 	echo -n "08) $short_commit1 $d1 $GOT_AUTHOR_8 " \
504 		>> $testroot/stdout.expected
505 	printf "\tcodedocs/doxygen.conf\n" >> $testroot/stdout.expected
506 	echo -n "09) $short_commit1 $d1 $GOT_AUTHOR_8 " \
507 		>> $testroot/stdout.expected
508 	printf "\tcontrib/powerdns.solaris.init.d\n" \
509 		>> $testroot/stdout.expected
510 	echo -n "10) $short_commit1 $d1 $GOT_AUTHOR_8 " \
511 		>> $testroot/stdout.expected
512 	printf "\tpdns/named.conf.parsertest\n" >> $testroot/stdout.expected
513 	echo -n "11) $short_commit1 $d1 $GOT_AUTHOR_8 " \
514 		>> $testroot/stdout.expected
515 	printf "\tregression-tests/zones/unit.test\n" \
516 		>> $testroot/stdout.expected
517 	echo -n "12) $short_commit4 $d4 $GOT_AUTHOR_8 " \
518 		>> $testroot/stdout.expected
519 	printf "\tbuilder-support/gen-version\n" >> $testroot/stdout.expected
520 	echo "13) $short_commit1 $d1 $GOT_AUTHOR_8 " \
521 		>> $testroot/stdout.expected
522 	echo -n "14) $short_commit1 $d1 $GOT_AUTHOR_8 " \
523 		>> $testroot/stdout.expected
524 	echo "ACLOCAL_AMFLAGS = -I m4" \
525 		>> $testroot/stdout.expected
526 	echo "15) $short_commit1 $d1 $GOT_AUTHOR_8 " \
527 		>> $testroot/stdout.expected
528 	echo -n "16) $short_commit1 $d1 $GOT_AUTHOR_8 " \
529 		>> $testroot/stdout.expected
530 	echo "dvi: # do nothing to build dvi" \
531 		>> $testroot/stdout.expected
532 
533 	cmp -s $testroot/stdout.expected $testroot/stdout
534 	ret=$?
535 	if [ $ret -ne 0 ]; then
536 		diff -u $testroot/stdout.expected $testroot/stdout
537 		test_done "$testroot" "$ret"
538 		return 1
539 	fi
540 
541 	blame_cmp "$testroot" "alpha"
542 	ret=$?
543 	test_done "$testroot" "$ret"
544 }
545 
546 test_blame_blame_h() {
547 	local testroot=`test_init blame_blame_h`
548 
549 	got checkout $testroot/repo $testroot/wt > /dev/null
550 	ret=$?
551 	if [ $ret -ne 0 ]; then
552 		test_done "$testroot" "$ret"
553 		return 1
554 	fi
555 
556 	cat > $testroot/wt/got_blame.h <<EOF
557 /*
558  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
559  *
560  * Permission to use, copy, modify, and distribute this software for any
561  * purpose with or without fee is hereby granted, provided that the above
562  * copyright notice and this permission notice appear in all copies.
563  *
564  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
565  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
566  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
567  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
568  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
569  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
570  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
571  */
572 
573 const struct got_error *got_blame(const char *, struct got_object_id *,
574     struct got_repository *, FILE *);
575 EOF
576 	(cd $testroot/wt && got add got_blame.h > /dev/null)
577 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
578 
579 	cat > $testroot/wt/blame-2.patch <<EOF
580 diff 63581804340e880bf611c6a4a59eda26c503799f 84451b3ef755f3226d0d79af367632e5f3a830e7
581 blob - b53ca469a18871cc2f6af334dab25028599c6488
582 blob + c787aadf05e2afab61bd34976f7349912252e6da
583 --- got_blame.h
584 +++ got_blame.h
585 @@ -14,5 +14,22 @@
586   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
587   */
588 
589 +/*
590 + * Write an annotated version of a file at a given in-repository path,
591 + * as found in the commit specified by ID, to the specified output file.
592 + */
593  const struct got_error *got_blame(const char *, struct got_object_id *,
594      struct got_repository *, FILE *);
595 +
596 +/*
597 + * Like got_blame() but instead of generating an output file invoke
598 + * a callback whenever an annotation has been computed for a line.
599 + *
600 + * The callback receives the provided void * argument, the total number
601 + * of lines of the annotated file, a line number, and the ID of the commit
602 + * which last changed this line.
603 + */
604 +const struct got_error *got_blame_incremental(const char *,
605 +    struct got_object_id *, struct got_repository *,
606 +    const struct got_error *(*cb)(void *, int, int, struct got_object_id *),
607 +    void *);
608 EOF
609 	(cd $testroot/wt && patch < blame-2.patch > /dev/null)
610 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
611 
612 	cat > $testroot/wt/blame-3.patch <<EOF
613 diff 75b7a700d9d14ef8eb902961255212acbedef164 d68a0a7de13af722c55099582019c03240e13320
614 blob - c787aadf05e2afab61bd34976f7349912252e6da
615 blob + 5255d076c915accf159940978b821d06803ff2f8
616 --- got_blame.h
617 +++ got_blame.h
618 @@ -28,6 +28,15 @@ const struct got_error *got_blame(const char *, struct
619   * The callback receives the provided void * argument, the total number
620   * of lines of the annotated file, a line number, and the ID of the commit
621   * which last changed this line.
622 + *
623 + * The callback is invoked for each commit as history is traversed.
624 + * If no changes to the file were made in a commit, line number -1 and
625 + * commit ID NULL will be reported.
626 + *
627 + * If the callback returns GOT_ERR_ITER_COMPLETED, the blame operation
628 + * will be aborted and this function returns NULL.
629 + * If the callback returns any other error, the blame operation will be
630 + * aborted and the callback's error is returned from this function.
631   */
632  const struct got_error *got_blame_incremental(const char *,
633      struct got_object_id *, struct got_repository *,
634 EOF
635 	(cd $testroot/wt && patch < blame-3.patch > /dev/null)
636 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
637 
638 	cat > $testroot/wt/blame-4.patch <<EOF
639 diff 3f60a8ef49086101685260fcb829f578cdf6d320 3bf198ba335fa30c8d16efb5c8e496200ac99c05
640 blob - 5255d076c915accf159940978b821d06803ff2f8
641 blob + 39623c468e733ee08abb50eafe29202b2b0a04ef
642 --- got_blame.h
643 +++ got_blame.h
644 @@ -30,8 +30,8 @@ const struct got_error *got_blame(const char *, struct
645   * which last changed this line.
646   *
647   * The callback is invoked for each commit as history is traversed.
648 - * If no changes to the file were made in a commit, line number -1 and
649 - * commit ID NULL will be reported.
650 + * If no changes to the file were made in a commit, line number -1 will
651 + * be reported.
652   *
653   * If the callback returns GOT_ERR_ITER_COMPLETED, the blame operation
654   * will be aborted and this function returns NULL.
655 EOF
656 	(cd $testroot/wt && patch < blame-4.patch > /dev/null)
657 	(cd $testroot/wt && got commit -m "change 4" > /dev/null)
658 
659 	cat > $testroot/wt/blame-5.patch <<EOF
660 diff 28315671b93d195163b0468fcb3879e29b25759c e27a7222faaa171dcb086ea0b566dc7bebb74a0b
661 blob - 39623c468e733ee08abb50eafe29202b2b0a04ef
662 blob + 6075cadbd177e1802679c7353515bf4ceebb51d0
663 --- got_blame.h
664 +++ got_blame.h
665 @@ -15,14 +15,7 @@
666   */
667 
668  /*
669 - * Write an annotated version of a file at a given in-repository path,
670 - * as found in the commit specified by ID, to the specified output file.
671 - */
672 -const struct got_error *got_blame(const char *, struct got_object_id *,
673 -    struct got_repository *, FILE *);
674 -
675 -/*
676 - * Like got_blame() but instead of generating an output file invoke
677 + * Blame the blob at the specified path in the specified commit and invoke
678   * a callback whenever an annotation has been computed for a line.
679   *
680   * The callback receives the provided void * argument, the total number
681 EOF
682 	(cd $testroot/wt && patch < blame-5.patch > /dev/null)
683 	(cd $testroot/wt && got commit -m "change 5" > /dev/null)
684 
685 	blame_cmp "$testroot" "got_blame.h"
686 	ret=$?
687 	test_done "$testroot" "$ret"
688 }
689 
690 test_blame_added_on_branch() {
691 	local testroot=`test_init blame_added_on_branch`
692 
693 	got branch -r $testroot/repo -c master newbranch
694 	ret=$?
695 	if [ $ret -ne 0 ]; then
696 		test_done "$testroot" "$ret"
697 		return 1
698 	fi
699 
700 	got checkout -b newbranch $testroot/repo $testroot/wt > /dev/null
701 	ret=$?
702 	if [ $ret -ne 0 ]; then
703 		test_done "$testroot" "$ret"
704 		return 1
705 	fi
706 
707 	echo 1 > $testroot/wt/new
708 	(cd $testroot/wt && got add new > /dev/null)
709 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
710 	local commit1=`git_show_branch_head $testroot/repo newbranch`
711 
712 	echo 2 >> $testroot/wt/new
713 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
714 	local commit2=`git_show_branch_head $testroot/repo newbranch`
715 
716 	echo 3 >> $testroot/wt/new
717 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
718 	local commit3=`git_show_branch_head $testroot/repo newbranch`
719 	local author_time=`git_show_author_time $testroot/repo`
720 
721 	(cd $testroot/wt && got blame new > $testroot/stdout)
722 
723 	local short_commit1=`trim_obj_id 32 $commit1`
724 	local short_commit2=`trim_obj_id 32 $commit2`
725 	local short_commit3=`trim_obj_id 32 $commit3`
726 
727 	d=`date -u -r $author_time +"%G-%m-%d"`
728 	echo "1) $short_commit1 $d $GOT_AUTHOR_8 1" > $testroot/stdout.expected
729 	echo "2) $short_commit2 $d $GOT_AUTHOR_8 2" >> $testroot/stdout.expected
730 	echo "3) $short_commit3 $d $GOT_AUTHOR_8 3" >> $testroot/stdout.expected
731 
732 	cmp -s $testroot/stdout.expected $testroot/stdout
733 	ret=$?
734 	if [ $ret -ne 0 ]; then
735 		diff -u $testroot/stdout.expected $testroot/stdout
736 	fi
737 	test_done "$testroot" "$ret"
738 }
739 
740 test_blame_submodule() {
741 	local testroot=`test_init blame_submodule`
742 	local commit_id0=`git_show_head $testroot/repo`
743 	local author_time=`git_show_author_time $testroot/repo`
744 
745 	make_single_file_repo $testroot/repo2 foo
746 
747 	(cd $testroot/repo && git -c protocol.file.allow=always \
748 		submodule -q add ../repo2)
749 	(cd $testroot/repo && git commit -q -m 'adding submodule')
750 
751 	# Attempt a (nonsensical) blame of a submodule.
752 	got blame -r $testroot/repo repo2 \
753 		> $testroot/stdout 2> $testroot/stderr
754 	ret=$?
755 	if [ $ret -eq 0 ]; then
756 		echo "blame command succeeded unexpectedly" >&2
757 		test_done "$testroot" "1"
758 		return 1
759 	fi
760 	local submodule_id=$(got tree -r $testroot/repo -i | \
761 		grep 'repo2\$$' | cut -d ' ' -f1)
762 	echo "got: object $submodule_id not found" > $testroot/stderr.expected
763 
764 	cmp -s $testroot/stderr.expected $testroot/stderr
765 	ret=$?
766 	if [ $ret -ne 0 ]; then
767 		diff -u $testroot/stderr.expected $testroot/stderr
768 	fi
769 	test_done "$testroot" "$ret"
770 }
771 
772 test_blame_symlink() {
773 	local testroot=`test_init blame_symlink`
774 	local commit_id0=`git_show_head $testroot/repo`
775 	local short_commit0=`trim_obj_id 32 $commit_id0`
776 
777 	(cd $testroot/repo && ln -s alpha alpha.link)
778 	(cd $testroot/repo && ln -s epsilon epsilon.link)
779 	(cd $testroot/repo && ln -s /etc/passwd passwd.link)
780 	(cd $testroot/repo && ln -s ../beta epsilon/beta.link)
781 	(cd $testroot/repo && ln -s nonexistent nonexistent.link)
782 	(cd $testroot/repo && git add .)
783 	git_commit $testroot/repo -m "add symlinks"
784 
785 	local commit_id1=`git_show_head $testroot/repo`
786 	local short_commit1=`trim_obj_id 32 $commit_id1`
787 	local author_time=`git_show_author_time $testroot/repo`
788 
789 	# got blame dereferences symlink to a regular file
790 	got blame -r $testroot/repo alpha.link > $testroot/stdout
791 	ret=$?
792 	if [ $ret -ne 0 ]; then
793 		echo "blame command failed unexpectedly" >&2
794 		test_done "$testroot" "$ret"
795 		return 1
796 	fi
797 
798 	d=`date -u -r $author_time +"%G-%m-%d"`
799 	echo "1) $short_commit0 $d $GOT_AUTHOR_8 alpha" \
800 		> $testroot/stdout.expected
801 
802 	cmp -s $testroot/stdout.expected $testroot/stdout
803 	ret=$?
804 	if [ $ret -ne 0 -a "$xfail" = "" ]; then
805 		diff -u $testroot/stdout.expected $testroot/stdout
806 		test_done "$testroot" "1"
807 		return 1
808 	fi
809 
810 	# got blame dereferences symlink with relative path
811 	got blame -r $testroot/repo epsilon/beta.link > $testroot/stdout
812 	ret=$?
813 	if [ $ret -ne 0 ]; then
814 		echo "blame command failed unexpectedly" >&2
815 		test_done "$testroot" "$ret"
816 		return 1
817 	fi
818 
819 	d=`date -u -r $author_time +"%G-%m-%d"`
820 	echo "1) $short_commit0 $d $GOT_AUTHOR_8 beta" \
821 		> $testroot/stdout.expected
822 
823 	cmp -s $testroot/stdout.expected $testroot/stdout
824 	ret=$?
825 	if [ $ret -ne 0 -a "$xfail" = "" ]; then
826 		diff -u $testroot/stdout.expected $testroot/stdout
827 		test_done "$testroot" "1"
828 		return 1
829 	fi
830 
831 	got blame -r $testroot/repo epsilon.link > $testroot/stdout \
832 		2> $testroot/stderr
833 	ret=$?
834 	if [ $ret -eq 0 ]; then
835 		echo "blame command succeeded unexpectedly" >&2
836 		test_done "$testroot" "1"
837 		return 1
838 	fi
839 
840 	# blame dereferences symlink to a directory
841 	echo "got: /epsilon: wrong type of object" > $testroot/stderr.expected
842 	cmp -s $testroot/stderr.expected $testroot/stderr
843 	ret=$?
844 	if [ $ret -ne 0 ]; then
845 		diff -u $testroot/stderr.expected $testroot/stderr
846 		test_done "$testroot" "1"
847 		return 1
848 	fi
849 
850 	# got blame fails if symlink target does not exist in repo
851 	got blame -r $testroot/repo passwd.link > $testroot/stdout \
852 		2> $testroot/stderr
853 	ret=$?
854 	if [ $ret -eq 0 ]; then
855 		echo "blame command succeeded unexpectedly" >&2
856 		test_done "$testroot" "1"
857 		return 1
858 	fi
859 
860 	echo "got: /etc/passwd: no such entry found in tree" \
861 		> $testroot/stderr.expected
862 	cmp -s $testroot/stderr.expected $testroot/stderr
863 	ret=$?
864 	if [ $ret -ne 0 ]; then
865 		diff -u $testroot/stderr.expected $testroot/stderr
866 		test_done "$testroot" "1"
867 		return 1
868 	fi
869 
870 	got blame -r $testroot/repo nonexistent.link > $testroot/stdout \
871 		2> $testroot/stderr
872 	ret=$?
873 	if [ $ret -eq 0 ]; then
874 		echo "blame command succeeded unexpectedly" >&2
875 		test_done "$testroot" "1"
876 		return 1
877 	fi
878 
879 	echo "got: /nonexistent: no such entry found in tree" \
880 		> $testroot/stderr.expected
881 	cmp -s $testroot/stderr.expected $testroot/stderr
882 	ret=$?
883 	if [ $ret -ne 0 ]; then
884 		diff -u $testroot/stderr.expected $testroot/stderr
885 		test_done "$testroot" "1"
886 		return 1
887 	fi
888 
889 	test_done "$testroot" "$ret"
890 }
891 
892 test_blame_lines_shifted_skip() {
893 	local testroot=`test_init blame_lines_shifted_skip`
894 
895 	got checkout $testroot/repo $testroot/wt > /dev/null
896 	ret=$?
897 	if [ $ret -ne 0 ]; then
898 		test_done "$testroot" "$ret"
899 		return 1
900 	fi
901 
902 	cat > $testroot/wt/alpha <<EOF
903 A
904 B
905 C
906 D
907 EOF
908 	(cd $testroot/wt && got commit -m "change 1" > /dev/null)
909 	local commit1=`git_show_head $testroot/repo`
910 	local short_commit1=`trim_obj_id 32 $commit1`
911 	local author_time1=`git_show_author_time $testroot/repo`
912 
913 	cat > $testroot/wt/alpha <<EOF
914 A
915 B
916 Y
917 C
918 P
919 Q
920 EOF
921 	(cd $testroot/wt && got commit -m "change 2" > /dev/null)
922 	local commit2=`git_show_head $testroot/repo`
923 	local short_commit2=`trim_obj_id 32 $commit2`
924 	local author_time2=`git_show_author_time $testroot/repo`
925 
926 	cat > $testroot/wt/alpha <<EOF
927 A
928 B
929 Y
930 C
931 D
932 P
933 Q
934 EOF
935 	(cd $testroot/wt && got commit -m "change 3" > /dev/null)
936 	local commit3=`git_show_head $testroot/repo`
937 	local short_commit3=`trim_obj_id 32 $commit3`
938 	local author_time3=`git_show_author_time $testroot/repo`
939 
940 	cat > $testroot/wt/alpha <<EOF
941 A
942 B
943 C
944 P
945 Y
946 Q
947 EOF
948 	(cd $testroot/wt && got commit -m "change 4" > /dev/null)
949 	local commit4=`git_show_head $testroot/repo`
950 	local short_commit4=`trim_obj_id 32 $commit4`
951 	local author_time4=`git_show_author_time $testroot/repo`
952 
953 	cat > $testroot/wt/alpha <<EOF
954 X
955 A
956 B
957 C
958 P
959 Y
960 Q
961 EOF
962 	(cd $testroot/wt && got commit -m "change 5" > /dev/null)
963 	local commit5=`git_show_head $testroot/repo`
964 	local short_commit5=`trim_obj_id 32 $commit5`
965 	local author_time5=`git_show_author_time $testroot/repo`
966 
967 	(cd $testroot/wt && got blame alpha > $testroot/stdout)
968 
969 	d1=`date -u -r $author_time1 +"%G-%m-%d"`
970 	d2=`date -u -r $author_time2 +"%G-%m-%d"`
971 	d4=`date -u -r $author_time4 +"%G-%m-%d"`
972 	d5=`date -u -r $author_time5 +"%G-%m-%d"`
973 	echo "1) $short_commit5 $d5 $GOT_AUTHOR_8 X" > $testroot/stdout.expected
974 	echo "2) $short_commit1 $d1 $GOT_AUTHOR_8 A" >> $testroot/stdout.expected
975 	echo "3) $short_commit1 $d1 $GOT_AUTHOR_8 B" >> $testroot/stdout.expected
976 	echo "4) $short_commit1 $d1 $GOT_AUTHOR_8 C" >> $testroot/stdout.expected
977 	echo "5) $short_commit2 $d2 $GOT_AUTHOR_8 P" >> $testroot/stdout.expected
978 	echo "6) $short_commit4 $d4 $GOT_AUTHOR_8 Y" >> $testroot/stdout.expected
979 	echo "7) $short_commit2 $d5 $GOT_AUTHOR_8 Q" >> $testroot/stdout.expected
980 
981 	cmp -s $testroot/stdout.expected $testroot/stdout
982 	ret=$?
983 	if [ $ret -ne 0 ]; then
984 		diff -u $testroot/stdout.expected $testroot/stdout
985 		test_done "$testroot" "$ret"
986 		return 1
987 	fi
988 
989 	blame_cmp "$testroot" "alpha"
990 	ret=$?
991 	test_done "$testroot" "$ret"
992 }
993 
994 test_parseargs "$@"
995 run_test test_blame_basic
996 run_test test_blame_tag
997 run_test test_blame_file_single_line
998 run_test test_blame_file_single_line_no_newline
999 run_test test_blame_all_lines_replaced
1000 run_test test_blame_lines_shifted_up
1001 run_test test_blame_lines_shifted_down
1002 run_test test_blame_commit_subsumed
1003 run_test test_blame_blame_h
1004 run_test test_blame_added_on_branch
1005 run_test test_blame_submodule
1006 run_test test_blame_symlink
1007 run_test test_blame_lines_shifted_skip