1 #!/bin/sh
2 #
3 # Copyright (c) 2019, 2020 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_log_in_repo() {
20 	local testroot=`test_init log_in_repo`
21 	local head_rev=`git_show_head $testroot/repo`
22 
23 	echo "commit $head_rev (master)" > $testroot/stdout.expected
24 
25 	for p in "" "." alpha epsilon epsilon/zeta; do
26 		(cd $testroot/repo && got log $p | \
27 			grep ^commit > $testroot/stdout)
28 		cmp -s $testroot/stdout.expected $testroot/stdout
29 		ret="$?"
30 		if [ "$ret" != "0" ]; then
31 			diff -u $testroot/stdout.expected $testroot/stdout
32 			test_done "$testroot" "$ret"
33 			return 1
34 		fi
35 	done
36 
37 	for p in "" "." zeta; do
38 		(cd $testroot/repo/epsilon && got log $p | \
39 			grep ^commit > $testroot/stdout)
40 		cmp -s $testroot/stdout.expected $testroot/stdout
41 		ret="$?"
42 		if [ "$ret" != "0" ]; then
43 			diff -u $testroot/stdout.expected $testroot/stdout
44 			test_done "$testroot" "$ret"
45 			return 1
46 		fi
47 	done
48 
49 	test_done "$testroot" "0"
50 }
51 
52 test_log_in_bare_repo() {
53 	local testroot=`test_init log_in_bare_repo`
54 	local head_rev=`git_show_head $testroot/repo`
55 
56 	echo "commit $head_rev (master)" > $testroot/stdout.expected
57 
58 	for p in "" "." alpha epsilon epsilon/zeta; do
59 		(cd $testroot/repo/.git && got log $p | \
60 			grep ^commit > $testroot/stdout)
61 		cmp -s $testroot/stdout.expected $testroot/stdout
62 		ret="$?"
63 		if [ "$ret" != "0" ]; then
64 			diff -u $testroot/stdout.expected $testroot/stdout
65 			test_done "$testroot" "$ret"
66 			return 1
67 		fi
68 	done
69 
70 	test_done "$testroot" "0"
71 }
72 
73 test_log_in_worktree() {
74 	local testroot=`test_init log_in_worktree 1`
75 
76 	make_test_tree $testroot/repo
77 	mkdir -p $testroot/repo/epsilon/d
78 	echo foo > $testroot/repo/epsilon/d/foo
79 	(cd $testroot/repo && git add .)
80 	git_commit $testroot/repo -m "adding the test tree"
81 	local head_commit=`git_show_head $testroot/repo`
82 
83 	got checkout $testroot/repo $testroot/wt > /dev/null
84 	ret="$?"
85 	if [ "$ret" != "0" ]; then
86 		test_done "$testroot" "$ret"
87 		return 1
88 	fi
89 
90 	echo "commit $head_commit (master)" > $testroot/stdout.expected
91 
92 	for p in "" "." alpha epsilon; do
93 		(cd $testroot/wt && got log $p | \
94 			grep ^commit > $testroot/stdout)
95 		cmp -s $testroot/stdout.expected $testroot/stdout
96 		ret="$?"
97 		if [ "$ret" != "0" ]; then
98 			diff -u $testroot/stdout.expected $testroot/stdout
99 			test_done "$testroot" "$ret"
100 			return 1
101 		fi
102 	done
103 
104 	for p in "" "." zeta; do
105 		(cd $testroot/wt/epsilon && got log $p | \
106 			grep ^commit > $testroot/stdout)
107 		cmp -s $testroot/stdout.expected $testroot/stdout
108 		ret="$?"
109 		if [ "$ret" != "0" ]; then
110 			diff -u $testroot/stdout.expected $testroot/stdout
111 			test_done "$testroot" "$ret"
112 			return 1
113 		fi
114 	done
115 
116 	for p in "" "." foo; do
117 		(cd $testroot/wt/epsilon && got log d/$p | \
118 			grep ^commit > $testroot/stdout)
119 		cmp -s $testroot/stdout.expected $testroot/stdout
120 		ret="$?"
121 		if [ "$ret" != "0" ]; then
122 			diff -u $testroot/stdout.expected $testroot/stdout
123 			test_done "$testroot" "$ret"
124 			return 1
125 		fi
126 	done
127 
128 	test_done "$testroot" "0"
129 }
130 
131 test_log_in_worktree_with_path_prefix() {
132 	local testroot=`test_init log_in_prefixed_worktree`
133 	local head_rev=`git_show_head $testroot/repo`
134 
135 	echo "modified zeta" > $testroot/repo/epsilon/zeta
136 	git_commit $testroot/repo -m "modified zeta"
137 	local zeta_rev=`git_show_head $testroot/repo`
138 
139 	echo "modified delta" > $testroot/repo/gamma/delta
140 	git_commit $testroot/repo -m "modified delta"
141 	local delta_rev=`git_show_head $testroot/repo`
142 
143 	got checkout -p epsilon $testroot/repo $testroot/wt > /dev/null
144 	ret="$?"
145 	if [ "$ret" != "0" ]; then
146 		test_done "$testroot" "$ret"
147 		return 1
148 	fi
149 
150 	echo "commit $delta_rev (master)" > $testroot/stdout.expected
151 	echo "commit $zeta_rev" >> $testroot/stdout.expected
152 	echo "commit $head_rev" >> $testroot/stdout.expected
153 
154 	(cd $testroot/wt && got log | grep ^commit > $testroot/stdout)
155 	cmp -s $testroot/stdout.expected $testroot/stdout
156 	ret="$?"
157 	if [ "$ret" != "0" ]; then
158 		diff -u $testroot/stdout.expected $testroot/stdout
159 		test_done "$testroot" "$ret"
160 		return 1
161 	fi
162 
163 	echo "commit $zeta_rev" > $testroot/stdout.expected
164 	echo "commit $head_rev" >> $testroot/stdout.expected
165 
166 	for p in "." zeta; do
167 		(cd $testroot/wt && got log $p | \
168 			grep ^commit > $testroot/stdout)
169 		cmp -s $testroot/stdout.expected $testroot/stdout
170 		ret="$?"
171 		if [ "$ret" != "0" ]; then
172 			diff -u $testroot/stdout.expected $testroot/stdout
173 			test_done "$testroot" "$ret"
174 			return 1
175 		fi
176 	done
177 
178 	test_done "$testroot" "0"
179 }
180 
181 test_log_tag() {
182 	local testroot=`test_init log_tag`
183 	local commit_id=`git_show_head $testroot/repo`
184 	local tag="1.0.0"
185 	local tag2="2.0.0"
186 
187 	got checkout $testroot/repo $testroot/wt > /dev/null
188 	ret="$?"
189 	if [ "$ret" != "0" ]; then
190 		test_done "$testroot" "$ret"
191 		return 1
192 	fi
193 
194 	(cd $testroot/repo && git tag -a -m "test" $tag)
195 
196 	echo "commit $commit_id (master, tags/$tag)" > $testroot/stdout.expected
197 	(cd $testroot/wt && got log -l1 -c $tag | grep ^commit \
198 		> $testroot/stdout)
199 	cmp -s $testroot/stdout.expected $testroot/stdout
200 	ret="$?"
201 	if [ "$ret" != "0" ]; then
202 		diff -u $testroot/stdout.expected $testroot/stdout
203 		test_done "$testroot" "$ret"
204 		return 1
205 	fi
206 
207 	# test a "lightweight" tag
208 	(cd $testroot/repo && git tag $tag2)
209 
210 	echo "commit $commit_id (master, tags/$tag, tags/$tag2)" \
211 		> $testroot/stdout.expected
212 	(cd $testroot/wt && got log -l1 -c $tag2 | grep ^commit \
213 		> $testroot/stdout)
214 	cmp -s $testroot/stdout.expected $testroot/stdout
215 	ret="$?"
216 	if [ "$ret" != "0" ]; then
217 		diff -u $testroot/stdout.expected $testroot/stdout
218 	fi
219 	test_done "$testroot" "$ret"
220 }
221 
222 test_log_limit() {
223 	local testroot=`test_init log_limit`
224 	local commit_id0=`git_show_head $testroot/repo`
225 
226 	got checkout $testroot/repo $testroot/wt > /dev/null
227 	ret="$?"
228 	if [ "$ret" != "0" ]; then
229 		test_done "$testroot" "$ret"
230 		return 1
231 	fi
232 
233 	echo "modified alpha" > $testroot/wt/alpha
234 	(cd $testroot/wt && got commit -m 'test log_limit' > /dev/null)
235 	local commit_id1=`git_show_head $testroot/repo`
236 
237 	(cd $testroot/wt && got rm beta >/dev/null)
238 	(cd $testroot/wt && got commit -m 'test log_limit' > /dev/null)
239 	local commit_id2=`git_show_head $testroot/repo`
240 
241 	echo "new file" > $testroot/wt/new
242 	(cd $testroot/wt && got add new >/dev/null)
243 	(cd $testroot/wt && got commit -m 'test log_limit' > /dev/null)
244 	local commit_id3=`git_show_head $testroot/repo`
245 
246 	# -l1 should print the first commit only
247 	echo "commit $commit_id3 (master)" > $testroot/stdout.expected
248 	(cd $testroot/wt && got log -l1 | grep ^commit > $testroot/stdout)
249 	cmp -s $testroot/stdout.expected $testroot/stdout
250 	ret="$?"
251 	if [ "$ret" != "0" ]; then
252 		diff -u $testroot/stdout.expected $testroot/stdout
253 		test_done "$testroot" "$ret"
254 		return 1
255 	fi
256 
257 	# env var can be used to set a log limit without -l option
258 	echo "commit $commit_id3 (master)" > $testroot/stdout.expected
259 	echo "commit $commit_id2" >> $testroot/stdout.expected
260 	(cd $testroot/wt && env GOT_LOG_DEFAULT_LIMIT=2 got log | \
261 		grep ^commit > $testroot/stdout)
262 	cmp -s $testroot/stdout.expected $testroot/stdout
263 	ret="$?"
264 	if [ "$ret" != "0" ]; then
265 		diff -u $testroot/stdout.expected $testroot/stdout
266 		test_done "$testroot" "$ret"
267 		return 1
268 	fi
269 
270 	# non-numeric env var is ignored
271 	(cd $testroot/wt && env GOT_LOG_DEFAULT_LIMIT=foobar got log | \
272 		grep ^commit > $testroot/stdout)
273 	echo "commit $commit_id3 (master)" > $testroot/stdout.expected
274 	echo "commit $commit_id2" >> $testroot/stdout.expected
275 	echo "commit $commit_id1" >> $testroot/stdout.expected
276 	echo "commit $commit_id0" >> $testroot/stdout.expected
277 	cmp -s $testroot/stdout.expected $testroot/stdout
278 	ret="$?"
279 	if [ "$ret" != "0" ]; then
280 		diff -u $testroot/stdout.expected $testroot/stdout
281 		test_done "$testroot" "$ret"
282 		return 1
283 	fi
284 
285 	# -l option takes precedence over env var
286 	echo "commit $commit_id3 (master)" > $testroot/stdout.expected
287 	echo "commit $commit_id2" >> $testroot/stdout.expected
288 	echo "commit $commit_id1" >> $testroot/stdout.expected
289 	echo "commit $commit_id0" >> $testroot/stdout.expected
290 	(cd $testroot/wt && env GOT_LOG_DEFAULT_LIMIT=1 got log -l0 | \
291 		grep ^commit > $testroot/stdout)
292 	cmp -s $testroot/stdout.expected $testroot/stdout
293 	ret="$?"
294 	if [ "$ret" != "0" ]; then
295 		diff -u $testroot/stdout.expected $testroot/stdout
296 	fi
297 	test_done "$testroot" "0"
298 }
299 
300 test_log_patch_added_file() {
301 	local testroot=`test_init log_patch_added_file`
302 	local commit_id0=`git_show_head $testroot/repo`
303 
304 	got checkout $testroot/repo $testroot/wt > /dev/null
305 	ret="$?"
306 	if [ "$ret" != "0" ]; then
307 		test_done "$testroot" "$ret"
308 		return 1
309 	fi
310 
311 	echo "new file" > $testroot/wt/new
312 	(cd $testroot/wt && got add new >/dev/null)
313 	(cd $testroot/wt && got commit -m 'test log_limit' > /dev/null)
314 	local commit_id1=`git_show_head $testroot/repo`
315 
316 	echo "commit $commit_id1 (master)" > $testroot/stdout.expected
317 	# This used to fail with 'got: no such entry found in tree'
318 	(cd $testroot/wt && got log -l1 -p new > $testroot/stdout.patch)
319 	ret="$?"
320 	if [ "$ret" != "0" ]; then
321 		echo "got log command failed unexpectedly" >&2
322 		test_done "$testroot" "$ret"
323 		return 1
324 	fi
325 	grep ^commit $testroot/stdout.patch > $testroot/stdout
326 	cmp -s $testroot/stdout.expected $testroot/stdout
327 	ret="$?"
328 	if [ "$ret" != "0" ]; then
329 		diff -u $testroot/stdout.expected $testroot/stdout
330 	fi
331 	test_done "$testroot" "$ret"
332 }
333 
334 test_log_nonexistent_path() {
335 	local testroot=`test_init log_nonexistent_path`
336 	local head_rev=`git_show_head $testroot/repo`
337 
338 	echo "commit $head_rev (master)" > $testroot/stdout.expected
339 
340 	(cd $testroot/repo && got log this/does/not/exist \
341 		> $testroot/stdout 2> $testroot/stderr)
342 	ret="$?"
343 	if [ "$ret" = "0" ]; then
344 		echo "log command succeeded unexpectedly" >&2
345 		test_done "$testroot" "1"
346 		return 1
347 	fi
348 
349 	echo -n > $testroot/stdout.expected
350 	cmp -s $testroot/stdout.expected $testroot/stdout
351 	ret="$?"
352 	if [ "$ret" != "0" ]; then
353 		diff -u $testroot/stdout.expected $testroot/stdout
354 		test_done "$testroot" "$ret"
355 		return 1
356 	fi
357 
358 	echo "got: this/does/not/exist: no such entry found in tree" \
359 		> $testroot/stderr.expected
360 	cmp -s $testroot/stderr.expected $testroot/stderr
361 	ret="$?"
362 	if [ "$ret" != "0" ]; then
363 		diff -u $testroot/stderr.expected $testroot/stderr
364 	fi
365 	test_done "$testroot" "$ret"
366 }
367 
368 test_log_end_at_commit() {
369 	local testroot=`test_init log_end_at_commit`
370 	local commit_id0=`git_show_head $testroot/repo`
371 
372 	got checkout $testroot/repo $testroot/wt > /dev/null
373 	ret="$?"
374 	if [ "$ret" != "0" ]; then
375 		test_done "$testroot" "$ret"
376 		return 1
377 	fi
378 
379 	echo "modified alpha" > $testroot/wt/alpha
380 	(cd $testroot/wt && got commit -m 'test log_limit' > /dev/null)
381 	local commit_id1=`git_show_head $testroot/repo`
382 
383 	(cd $testroot/wt && got rm beta >/dev/null)
384 	(cd $testroot/wt && got commit -m 'test log_limit' > /dev/null)
385 	local commit_id2=`git_show_head $testroot/repo`
386 
387 	echo "new file" > $testroot/wt/new
388 	(cd $testroot/wt && got add new >/dev/null)
389 	(cd $testroot/wt && got commit -m 'test log_limit' > /dev/null)
390 	local commit_id3=`git_show_head $testroot/repo`
391 
392 	# Print commit 3 only
393 	echo "commit $commit_id3 (master)" > $testroot/stdout.expected
394 	(cd $testroot/wt && got log -x $commit_id3 | grep ^commit \
395 		> $testroot/stdout)
396 	cmp -s $testroot/stdout.expected $testroot/stdout
397 	ret="$?"
398 	if [ "$ret" != "0" ]; then
399 		diff -u $testroot/stdout.expected $testroot/stdout
400 		test_done "$testroot" "$ret"
401 		return 1
402 	fi
403 
404 	# Print commit 3 up to commit 1 inclusive
405 	echo "commit $commit_id3 (master)" > $testroot/stdout.expected
406 	echo "commit $commit_id2" >> $testroot/stdout.expected
407 	echo "commit $commit_id1" >> $testroot/stdout.expected
408 	(cd $testroot/wt && got log -c $commit_id3 -x $commit_id1 | \
409 		grep ^commit > $testroot/stdout)
410 	cmp -s $testroot/stdout.expected $testroot/stdout
411 	ret="$?"
412 	if [ "$ret" != "0" ]; then
413 		diff -u $testroot/stdout.expected $testroot/stdout
414 		test_done "$testroot" "$ret"
415 		return 1
416 	fi
417 
418 	# Create commits on an unrelated branch
419 	(cd $testroot/wt && got br foo > /dev/null)
420 	echo bar >> $testroot/wt/alpha
421 	(cd $testroot/wt && got commit -m "change on branch foo" >/dev/null)
422 	local commit_id4=`git_show_branch_head $testroot/repo foo`
423 
424 	# Print commit 4 only (in work tree)
425 	echo "commit $commit_id4 (foo)" > $testroot/stdout.expected
426 	(cd $testroot/wt && got log -x foo | grep ^commit \
427 		> $testroot/stdout)
428 	cmp -s $testroot/stdout.expected $testroot/stdout
429 	ret="$?"
430 	if [ "$ret" != "0" ]; then
431 		diff -u $testroot/stdout.expected $testroot/stdout
432 		test_done "$testroot" "$ret"
433 		return 1
434 	fi
435 
436 	# Print commit 4 only (in repository)
437 	echo "commit $commit_id4 (foo)" > $testroot/stdout.expected
438 	(cd $testroot/repo && got log -c foo -x foo | grep ^commit \
439 		> $testroot/stdout)
440 	cmp -s $testroot/stdout.expected $testroot/stdout
441 	ret="$?"
442 	if [ "$ret" != "0" ]; then
443 		diff -u $testroot/stdout.expected $testroot/stdout
444 		test_done "$testroot" "$ret"
445 		return 1
446 	fi
447 
448 	# Repository's HEAD is on master branch so -x foo without an explicit
449 	# '-c foo' start commit has no effect there
450 	echo "commit $commit_id3 (master)" > $testroot/stdout.expected
451 	echo "commit $commit_id2" >> $testroot/stdout.expected
452 	echo "commit $commit_id1" >> $testroot/stdout.expected
453 	echo "commit $commit_id0" >> $testroot/stdout.expected
454 	(cd $testroot/repo && got log -x foo | grep ^commit \
455 		> $testroot/stdout)
456 	cmp -s $testroot/stdout.expected $testroot/stdout
457 	ret="$?"
458 	if [ "$ret" != "0" ]; then
459 		diff -u $testroot/stdout.expected $testroot/stdout
460 		test_done "$testroot" "$ret"
461 		return 1
462 	fi
463 
464 	# got will refuse -x with a non-existent commit
465 	(cd $testroot/wt && got log -x nonexistent \
466 		> $testroot/stdout 2> $testroot/stderr) 
467 	ret="$?"
468 	if [ "$ret" = "0" ]; then
469 		echo "log command succeeded unexpectedly" >&2
470 		test_done "$testroot" "1"
471 		return 1
472 	fi
473 	echo -n > $testroot/stdout.expected
474 	echo "got: reference nonexistent not found" \
475 		> $testroot/stderr.expected
476 	cmp -s $testroot/stderr.expected $testroot/stderr
477 	ret="$?"
478 	if [ "$ret" != "0" ]; then
479 		diff -u $testroot/stderr.expected $testroot/stderr
480 		test_done "$testroot" "$ret"
481 		return 1
482 	fi
483 	cmp -s $testroot/stdout.expected $testroot/stdout
484 	ret="$?"
485 	if [ "$ret" != "0" ]; then
486 		diff -u $testroot/stdout.expected $testroot/stdout
487 		test_done "$testroot" "$ret"
488 		return 1
489 	fi
490 
491 	# try the same with the hash of an empty string which is very
492 	# unlikely to match any object
493 	local empty_sha1=da39a3ee5e6b4b0d3255bfef95601890afd80709 
494 	(cd $testroot/wt && got log -x $empty_sha1 \
495 		> $testroot/stdout 2> $testroot/stderr) 
496 	ret="$?"
497 	if [ "$ret" = "0" ]; then
498 		echo "log command succeeded unexpectedly" >&2
499 		test_done "$testroot" "1"
500 		return 1
501 	fi
502 	echo -n > $testroot/stdout.expected
503 	echo "got: commit $empty_sha1: object not found" \
504 		> $testroot/stderr.expected
505 	cmp -s $testroot/stderr.expected $testroot/stderr
506 	ret="$?"
507 	if [ "$ret" != "0" ]; then
508 		diff -u $testroot/stderr.expected $testroot/stderr
509 		test_done "$testroot" "$ret"
510 		return 1
511 	fi
512 	cmp -s $testroot/stdout.expected $testroot/stdout
513 	ret="$?"
514 	if [ "$ret" != "0" ]; then
515 		diff -u $testroot/stdout.expected $testroot/stdout
516 		test_done "$testroot" "$ret"
517 		return 1
518 	fi
519 
520 	test_done "$testroot" "0"
521 }
522 
523 test_log_reverse_display() {
524 	local testroot=`test_init log_reverse_display`
525 	local commit_id0=`git_show_head $testroot/repo`
526 
527 	got checkout $testroot/repo $testroot/wt > /dev/null
528 	ret="$?"
529 	if [ "$ret" != "0" ]; then
530 		test_done "$testroot" "$ret"
531 		return 1
532 	fi
533 
534 	echo "modified alpha" > $testroot/wt/alpha
535 	(cd $testroot/wt && got commit -m 'commit1' > /dev/null)
536 	local commit_id1=`git_show_head $testroot/repo`
537 
538 	(cd $testroot/wt && got rm beta >/dev/null)
539 	(cd $testroot/wt && got commit -m 'commit2' > /dev/null)
540 	local commit_id2=`git_show_head $testroot/repo`
541 
542 	echo "new file" > $testroot/wt/new
543 	(cd $testroot/wt && got add new >/dev/null)
544 	(cd $testroot/wt && got commit -m 'commit3' > /dev/null)
545 	local commit_id3=`git_show_head $testroot/repo`
546 
547 	# -R alone should display all commits in reverse
548 	echo "commit $commit_id0" > $testroot/stdout.expected
549 	echo "commit $commit_id1" >> $testroot/stdout.expected
550 	echo "commit $commit_id2" >> $testroot/stdout.expected
551 	echo "commit $commit_id3 (master)" >> $testroot/stdout.expected
552 	(cd $testroot/wt && got log -R | grep ^commit > $testroot/stdout)
553 	cmp -s $testroot/stdout.expected $testroot/stdout
554 	ret="$?"
555 	if [ "$ret" != "0" ]; then
556 		diff -u $testroot/stdout.expected $testroot/stdout
557 		test_done "$testroot" "$ret"
558 		return 1
559 	fi
560 
561 	# -R takes effect after the -l commit traversal limit
562 	echo "commit $commit_id2" > $testroot/stdout.expected
563 	echo "commit $commit_id3 (master)" >> $testroot/stdout.expected
564 	(cd $testroot/wt && got log -R -l2 | grep ^commit > $testroot/stdout)
565 	cmp -s $testroot/stdout.expected $testroot/stdout
566 	ret="$?"
567 	if [ "$ret" != "0" ]; then
568 		diff -u $testroot/stdout.expected $testroot/stdout
569 		test_done "$testroot" "$ret"
570 		return 1
571 	fi
572 
573 	# -R works with commit ranges specified via -c and -x
574 	echo "commit $commit_id1" > $testroot/stdout.expected
575 	echo "commit $commit_id2" >> $testroot/stdout.expected
576 	echo "commit $commit_id3 (master)" >> $testroot/stdout.expected
577 	(cd $testroot/wt && got log -R -c $commit_id3 -x $commit_id1 | \
578 		grep ^commit > $testroot/stdout)
579 	cmp -s $testroot/stdout.expected $testroot/stdout
580 	ret="$?"
581 	if [ "$ret" != "0" ]; then
582 		diff -u $testroot/stdout.expected $testroot/stdout
583 		test_done "$testroot" "$ret"
584 		return 1
585 	fi
586 
587 	# commit matching with -s applies before -R
588 	echo "commit $commit_id1" > $testroot/stdout.expected
589 	echo "commit $commit_id2" >> $testroot/stdout.expected
590 	(cd $testroot/wt && got log -R -s 'commit[12]' | \
591 		grep ^commit > $testroot/stdout)
592 	cmp -s $testroot/stdout.expected $testroot/stdout
593 	ret="$?"
594 	if [ "$ret" != "0" ]; then
595 		diff -u $testroot/stdout.expected $testroot/stdout
596 		test_done "$testroot" "$ret"
597 		return 1
598 	fi
599 
600 	# -R works in combination with -P
601 	echo "" > $testroot/stdout.expected
602 	(cd $testroot/wt && got log -R -P | grep -E '^(commit| [MDmA])' \
603 		> $testroot/stdout)
604 	echo "commit $commit_id0" > $testroot/stdout.expected
605 	echo " A  alpha" >> $testroot/stdout.expected
606 	echo " A  beta" >> $testroot/stdout.expected
607 	echo " A  epsilon/zeta" >> $testroot/stdout.expected
608 	echo " A  gamma/delta" >> $testroot/stdout.expected
609 	echo "commit $commit_id1" >> $testroot/stdout.expected
610 	echo " M  alpha" >> $testroot/stdout.expected
611 	echo "commit $commit_id2" >> $testroot/stdout.expected
612 	echo " D  beta" >> $testroot/stdout.expected
613 	echo "commit $commit_id3 (master)" >> $testroot/stdout.expected
614 	echo " A  new" >> $testroot/stdout.expected
615 	cmp -s $testroot/stdout.expected $testroot/stdout
616 	ret="$?"
617 	if [ "$ret" != "0" ]; then
618 		diff -u $testroot/stdout.expected $testroot/stdout
619 	fi
620 	test_done "$testroot" "$ret"
621 }
622 
623 test_log_in_worktree_different_repo() {
624 	local testroot=`test_init log_in_worktree_different_repo 1`
625 
626 	make_test_tree $testroot/repo
627 	mkdir -p $testroot/repo/epsilon/d
628 	echo foo > $testroot/repo/epsilon/d/foo
629 	(cd $testroot/repo && git add .)
630 	git_commit $testroot/repo -m "adding the test tree"
631 	local head_commit=`git_show_head $testroot/repo`
632 
633 	got init $testroot/other-repo
634 	mkdir -p $testroot/tree
635 	make_test_tree $testroot/tree
636 	got import -mm -b foo -r $testroot/other-repo $testroot/tree >/dev/null
637 	got checkout -b foo $testroot/other-repo $testroot/wt > /dev/null
638 	ret="$?"
639 	if [ "$ret" != "0" ]; then
640 		test_done "$testroot" "$ret"
641 		return 1
642 	fi
643 
644 	echo "commit $head_commit (master)" > $testroot/stdout.expected
645 
646 	# 'got log' used to fail with "reference refs/heads/foo not found"
647 	# even though that reference belongs to an unrelated repository
648 	# found via a worktree via the current working directory
649 	for p in "" alpha epsilon; do
650 		(cd $testroot/wt && got log -r $testroot/repo $p | \
651 			grep ^commit > $testroot/stdout)
652 		cmp -s $testroot/stdout.expected $testroot/stdout
653 		ret="$?"
654 		if [ "$ret" != "0" ]; then
655 			diff -u $testroot/stdout.expected $testroot/stdout
656 			test_done "$testroot" "$ret"
657 			return 1
658 		fi
659 	done
660 
661 	for p in "" epsilon/zeta; do
662 		(cd $testroot/wt/epsilon && got log -r $testroot/repo $p | \
663 			grep ^commit > $testroot/stdout)
664 		cmp -s $testroot/stdout.expected $testroot/stdout
665 		ret="$?"
666 		if [ "$ret" != "0" ]; then
667 			diff -u $testroot/stdout.expected $testroot/stdout
668 			test_done "$testroot" "$ret"
669 			return 1
670 		fi
671 	done
672 
673 	for p in "" foo; do
674 		(cd $testroot/wt/epsilon && got log -r $testroot/repo epsilon/d/$p | \
675 			grep ^commit > $testroot/stdout)
676 		cmp -s $testroot/stdout.expected $testroot/stdout
677 		ret="$?"
678 		if [ "$ret" != "0" ]; then
679 			diff -u $testroot/stdout.expected $testroot/stdout
680 			test_done "$testroot" "$ret"
681 			return 1
682 		fi
683 	done
684 
685 	test_done "$testroot" "0"
686 }
687 
688 test_log_changed_paths() {
689 	local testroot=`test_init log_changed_paths`
690 	local commit_id0=`git_show_head $testroot/repo`
691 
692 	got checkout $testroot/repo $testroot/wt > /dev/null
693 	ret="$?"
694 	if [ "$ret" != "0" ]; then
695 		test_done "$testroot" "$ret"
696 		return 1
697 	fi
698 
699 	echo "modified alpha" > $testroot/wt/alpha
700 	(cd $testroot/wt && got commit -m 'test log_changed_paths' > /dev/null)
701 	local commit_id1=`git_show_head $testroot/repo`
702 
703 	(cd $testroot/wt && got rm beta >/dev/null)
704 	(cd $testroot/wt && chmod +x epsilon/zeta >/dev/null)
705 	(cd $testroot/wt && got commit -m 'test log_changed_paths' > /dev/null)
706 	local commit_id2=`git_show_head $testroot/repo`
707 
708 	echo "new file" > $testroot/wt/new
709 	(cd $testroot/wt && got add new >/dev/null)
710 	(cd $testroot/wt && got commit -m 'test log_changed_paths' > /dev/null)
711 	local commit_id3=`git_show_head $testroot/repo`
712 
713 	(cd $testroot/wt && got log -P | grep '^ [MDmA]' > $testroot/stdout)
714 
715 	echo " A  new" > $testroot/stdout.expected
716 	echo " D  beta" >> $testroot/stdout.expected
717 	echo " m  epsilon/zeta" >> $testroot/stdout.expected
718 	echo " M  alpha" >> $testroot/stdout.expected
719 	echo " A  alpha" >> $testroot/stdout.expected
720 	echo " A  beta" >> $testroot/stdout.expected
721 	echo " A  epsilon/zeta" >> $testroot/stdout.expected
722 	echo " A  gamma/delta" >> $testroot/stdout.expected
723 
724 	cmp -s $testroot/stdout.expected $testroot/stdout
725 	ret="$?"
726 	if [ "$ret" != "0" ]; then
727 		diff -u $testroot/stdout.expected $testroot/stdout
728 	fi
729 	test_done "$testroot" "$ret"
730 }
731 
732 test_log_submodule() {
733 	local testroot=`test_init log_submodule`
734 
735 	make_single_file_repo $testroot/repo2 foo
736 
737 	(cd $testroot/repo && git submodule -q add ../repo2)
738 	(cd $testroot/repo && git commit -q -m 'adding submodule')
739 	local head_commit=`git_show_head $testroot/repo`
740 
741 	echo "commit $head_commit (master)" > $testroot/stdout.expected
742 
743 	got log -r $testroot/repo -l1 repo2 | grep ^commit > $testroot/stdout
744 	cmp -s $testroot/stdout.expected $testroot/stdout
745 	ret="$?"
746 	if [ "$ret" != "0" ]; then
747 		diff -u $testroot/stdout.expected $testroot/stdout
748 		test_done "$testroot" "$ret"
749 		return 1
750 	fi
751 
752 	echo " A  .gitmodules" > $testroot/stdout.expected
753 
754 	got log -r $testroot/repo -l1 -P repo2 | grep '^ [MDmA]' \
755 		> $testroot/stdout
756 	cmp -s $testroot/stdout.expected $testroot/stdout
757 	ret="$?"
758 	if [ "$ret" != "0" ]; then
759 		diff -u $testroot/stdout.expected $testroot/stdout
760 		test_done "$testroot" "$ret"
761 		return 1
762 	fi
763 
764 	got log -p -r $testroot/repo -l1 repo2 \
765 		> $testroot/stdout 2> $testroot/stderr
766 	ret="$?"
767 	if [ "$ret" = "0" ]; then
768 		echo "log command succeeded unexpectedly" >&2
769 		test_done "$testroot" "1"
770 		return 1
771 	fi
772 	local submodule_id=$(got tree -r $testroot/repo -i | \
773 		grep 'repo2\$$' | cut -d ' ' -f1)
774 	echo "got: object $submodule_id not found" > $testroot/stderr.expected
775 
776 	cmp -s $testroot/stderr.expected $testroot/stderr
777 	ret="$?"
778 	if [ "$ret" != "0" ]; then
779 		diff -u $testroot/stderr.expected $testroot/stderr
780 		test_done "$testroot" "$ret"
781 		return 1
782 	fi
783 
784 	echo "modified foo" > $testroot/repo2/foo
785 	(cd $testroot/repo2 && git commit -q -a -m 'modified a submodule')
786 
787 	# Update the repo/repo2 submodule link
788 	(cd $testroot/repo && git -C repo2 pull -q)
789 	(cd $testroot/repo && git add repo2)
790 	git_commit $testroot/repo -m "changed submodule link"
791 
792 	# log -P does not show the changed submodule path
793 	got log -P -r $testroot/repo -l1 repo2 > $testroot/stdout.full
794 	ret="$?"
795 	if [ "$ret" != "0" ]; then
796 		echo "log command failed unexpectedly" >&2
797 		test_done "$testroot" "1"
798 		return 1
799 	fi
800 	grep '^ [MDmA]' $testroot/stdout.full > $testroot/stdout
801 
802 	echo -n > $testroot/stdout.expected
803 	cmp -s $testroot/stdout.expected $testroot/stdout
804 	ret="$?"
805 	if [ "$ret" != "0" ]; then
806 		diff -u $testroot/stdout.expected $testroot/stdout
807 	fi
808 	test_done "$testroot" "$ret"
809 }
810 
811 test_parseargs "$@"
812 run_test test_log_in_repo
813 run_test test_log_in_bare_repo
814 run_test test_log_in_worktree
815 run_test test_log_in_worktree_with_path_prefix
816 run_test test_log_tag
817 run_test test_log_limit
818 run_test test_log_patch_added_file
819 run_test test_log_nonexistent_path
820 run_test test_log_end_at_commit
821 run_test test_log_reverse_display
822 run_test test_log_in_worktree_different_repo
823 run_test test_log_changed_paths
824 run_test test_log_submodule