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_update_basic() {
20 	local testroot=`test_init update_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 "modified alpha" > $testroot/repo/alpha
30 	git_commit $testroot/repo -m "modified alpha"
31 
32 	echo "U  alpha" > $testroot/stdout.expected
33 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
34 	git_show_head $testroot/repo >> $testroot/stdout.expected
35 	echo >> $testroot/stdout.expected
36 
37 	(cd $testroot/wt && got update > $testroot/stdout)
38 
39 	cmp -s $testroot/stdout.expected $testroot/stdout
40 	ret=$?
41 	if [ $ret -ne 0 ]; then
42 		diff -u $testroot/stdout.expected $testroot/stdout
43 		test_done "$testroot" "$ret"
44 		return 1
45 	fi
46 
47 	echo "modified alpha" > $testroot/content.expected
48 	cat $testroot/wt/alpha > $testroot/content
49 
50 	cmp -s $testroot/content.expected $testroot/content
51 	ret=$?
52 	if [ $ret -ne 0 ]; then
53 		diff -u $testroot/content.expected $testroot/content
54 	fi
55 	test_done "$testroot" "$ret"
56 }
57 
58 test_update_adds_file() {
59 	local testroot=`test_init update_adds_file`
60 
61 	got checkout $testroot/repo $testroot/wt > /dev/null
62 	ret=$?
63 	if [ $ret -ne 0 ]; then
64 		test_done "$testroot" "$ret"
65 		return 1
66 	fi
67 
68 	echo "new" > $testroot/repo/gamma/new
69 	(cd $testroot/repo && git add .)
70 	git_commit $testroot/repo -m "adding a new file"
71 
72 	echo "A  gamma/new" > $testroot/stdout.expected
73 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
74 	git_show_head $testroot/repo >> $testroot/stdout.expected
75 	echo >> $testroot/stdout.expected
76 
77 	(cd $testroot/wt && got update > $testroot/stdout)
78 
79 	cmp -s $testroot/stdout.expected $testroot/stdout
80 	ret=$?
81 	if [ $ret -ne 0 ]; then
82 		diff -u $testroot/stdout.expected $testroot/stdout
83 		test_done "$testroot" "$ret"
84 		return 1
85 	fi
86 
87 	echo "new" >> $testroot/content.expected
88 	cat $testroot/wt/gamma/new > $testroot/content
89 
90 	cmp -s $testroot/content.expected $testroot/content
91 	ret=$?
92 	if [ $ret -ne 0 ]; then
93 		diff -u $testroot/content.expected $testroot/content
94 	fi
95 	test_done "$testroot" "$ret"
96 }
97 
98 test_update_deletes_file() {
99 	local testroot=`test_init update_deletes_file`
100 
101 	mkdir $testroot/wtparent
102 	got checkout $testroot/repo $testroot/wtparent/wt > /dev/null
103 	ret=$?
104 	if [ $ret -ne 0 ]; then
105 		test_done "$testroot" "$ret"
106 		return 1
107 	fi
108 
109 	git_rm $testroot/repo beta
110 	git_commit $testroot/repo -m "deleting a file"
111 
112 	echo "D  beta" > $testroot/stdout.expected
113 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
114 	git_show_head $testroot/repo >> $testroot/stdout.expected
115 	echo >> $testroot/stdout.expected
116 
117 	# verify that no error occurs if the work tree's parent
118 	# directory is not writable
119 	chmod u-w $testroot/wtparent
120 	(cd $testroot/wtparent/wt && got update > $testroot/stdout)
121 	chmod u+w $testroot/wtparent
122 
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 $testroot/wtparent/wt/beta ]; then
132 		echo "removed file beta still exists on disk" >&2
133 		test_done "$testroot" "1"
134 		return 1
135 	fi
136 
137 	test_done "$testroot" "0"
138 }
139 
140 test_update_deletes_dir() {
141 	local testroot=`test_init update_deletes_dir`
142 
143 	got checkout $testroot/repo $testroot/wt > /dev/null
144 	ret=$?
145 	if [ $ret -ne 0 ]; then
146 		test_done "$testroot" "$ret"
147 		return 1
148 	fi
149 
150 	git_rm $testroot/repo -r epsilon
151 	git_commit $testroot/repo -m "deleting a directory"
152 
153 	echo "D  epsilon/zeta" > $testroot/stdout.expected
154 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
155 	git_show_head $testroot/repo >> $testroot/stdout.expected
156 	echo >> $testroot/stdout.expected
157 
158 	(cd $testroot/wt && got update > $testroot/stdout)
159 
160 	cmp -s $testroot/stdout.expected $testroot/stdout
161 	ret=$?
162 	if [ $ret -ne 0 ]; then
163 		diff -u $testroot/stdout.expected $testroot/stdout
164 		test_done "$testroot" "$ret"
165 		return 1
166 	fi
167 
168 	if [ -e $testroot/wt/epsilon ]; then
169 		echo "removed dir epsilon still exists on disk" >&2
170 		test_done "$testroot" "1"
171 		return 1
172 	fi
173 
174 	test_done "$testroot" "0"
175 }
176 
177 test_update_deletes_dir_with_path_prefix() {
178 	local testroot=`test_init update_deletes_dir_with_path_prefix`
179 	local first_rev=`git_show_head $testroot/repo`
180 
181 	mkdir $testroot/repo/epsilon/psi
182 	echo mu > $testroot/repo/epsilon/psi/mu
183 	(cd $testroot/repo && git add .)
184 	git_commit $testroot/repo -m "adding a sub-directory beneath epsilon"
185 
186 	# check out the epsilon/ sub-tree
187 	got checkout -p epsilon $testroot/repo $testroot/wt > /dev/null
188 	ret=$?
189 	if [ $ret -ne 0 ]; then
190 		test_done "$testroot" "$ret"
191 		return 1
192 	fi
193 
194 	# update back to first commit and expect psi/mu to be deleted
195 	echo "D  psi/mu" > $testroot/stdout.expected
196 	echo "Updated to refs/heads/master: $first_rev" \
197 		>> $testroot/stdout.expected
198 
199 	(cd $testroot/wt && got update -c $first_rev > $testroot/stdout)
200 
201 	cmp -s $testroot/stdout.expected $testroot/stdout
202 	ret=$?
203 	if [ $ret -ne 0 ]; then
204 		diff -u $testroot/stdout.expected $testroot/stdout
205 		test_done "$testroot" "$ret"
206 		return 1
207 	fi
208 
209 	if [ -e $testroot/wt/psi ]; then
210 		echo "removed dir psi still exists on disk" >&2
211 		test_done "$testroot" "1"
212 		return 1
213 	fi
214 
215 	test_done "$testroot" "0"
216 }
217 
218 test_update_deletes_dir_recursively() {
219 	local testroot=`test_init update_deletes_dir_recursively`
220 	local first_rev=`git_show_head $testroot/repo`
221 
222 	mkdir $testroot/repo/epsilon/psi
223 	echo mu > $testroot/repo/epsilon/psi/mu
224 	mkdir $testroot/repo/epsilon/psi/chi
225 	echo tau > $testroot/repo/epsilon/psi/chi/tau
226 	(cd $testroot/repo && git add .)
227 	git_commit $testroot/repo -m "adding a sub-directory beneath epsilon"
228 
229 	# check out the epsilon/ sub-tree
230 	got checkout -p epsilon $testroot/repo $testroot/wt > /dev/null
231 	ret=$?
232 	if [ $ret -ne 0 ]; then
233 		test_done "$testroot" "$ret"
234 		return 1
235 	fi
236 
237 	# update back to first commit and expect psi/mu to be deleted
238 	echo "D  psi/chi/tau" > $testroot/stdout.expected
239 	echo "D  psi/mu" >> $testroot/stdout.expected
240 	echo "Updated to refs/heads/master: $first_rev" \
241 		>> $testroot/stdout.expected
242 
243 	(cd $testroot/wt && got update -c $first_rev > $testroot/stdout)
244 
245 	cmp -s $testroot/stdout.expected $testroot/stdout
246 	ret=$?
247 	if [ "$?" != "0" ]; then
248 		diff -u $testroot/stdout.expected $testroot/stdout
249 		test_done "$testroot" "$ret"
250 		return 1
251 	fi
252 
253 	if [ -e $testroot/wt/psi ]; then
254 		echo "removed dir psi still exists on disk" >&2
255 		test_done "$testroot" "1"
256 		return 1
257 	fi
258 
259 	test_done "$testroot" "0"
260 }
261 
262 test_update_sibling_dirs_with_common_prefix() {
263 	local testroot=`test_init update_sibling_dirs_with_common_prefix`
264 
265 	got checkout $testroot/repo $testroot/wt > /dev/null
266 	ret=$?
267 	if [ $ret -ne 0 ]; then
268 		test_done "$testroot" "$ret"
269 		return 1
270 	fi
271 
272 	mkdir $testroot/repo/epsilon2
273 	echo mu > $testroot/repo/epsilon2/mu
274 	(cd $testroot/repo && git add epsilon2/mu)
275 	git_commit $testroot/repo -m "adding sibling of epsilon"
276 	echo change > $testroot/repo/epsilon/zeta
277 	git_commit $testroot/repo -m "changing epsilon/zeta"
278 
279 	echo "U  epsilon/zeta" > $testroot/stdout.expected
280 	echo "A  epsilon2/mu" >> $testroot/stdout.expected
281 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
282 	git_show_head $testroot/repo >> $testroot/stdout.expected
283 	echo >> $testroot/stdout.expected
284 
285 	(cd $testroot/wt && got update > $testroot/stdout)
286 
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 	echo "another change" > $testroot/repo/epsilon/zeta
296 	git_commit $testroot/repo -m "changing epsilon/zeta again"
297 
298 	echo "U  epsilon/zeta" > $testroot/stdout.expected
299 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
300 	git_show_head $testroot/repo >> $testroot/stdout.expected
301 	echo >> $testroot/stdout.expected
302 
303 	# Bug: This update used to do delete/add epsilon2/mu again:
304 	# U  epsilon/zeta
305 	# D  epsilon2/mu <--- not intended
306 	# A  epsilon2/mu <--- not intended
307 	(cd $testroot/wt && got update > $testroot/stdout)
308 
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 	cmp -s $testroot/stdout.expected $testroot/stdout
318 	ret=$?
319 	if [ $ret -ne 0 ]; then
320 		diff -u $testroot/stdout.expected $testroot/stdout
321 	fi
322 	test_done "$testroot" "$ret"
323 }
324 
325 test_update_dir_with_dot_sibling() {
326 	local testroot=`test_init update_dir_with_dot_sibling`
327 
328 	got checkout $testroot/repo $testroot/wt > /dev/null
329 	ret=$?
330 	if [ $ret -ne 0 ]; then
331 		test_done "$testroot" "$ret"
332 		return 1
333 	fi
334 
335 	echo text > $testroot/repo/epsilon.txt
336 	(cd $testroot/repo && git add epsilon.txt)
337 	git_commit $testroot/repo -m "adding sibling of epsilon"
338 	echo change > $testroot/repo/epsilon/zeta
339 	git_commit $testroot/repo -m "changing epsilon/zeta"
340 
341 	echo "U  epsilon/zeta" > $testroot/stdout.expected
342 	echo "A  epsilon.txt" >> $testroot/stdout.expected
343 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
344 	git_show_head $testroot/repo >> $testroot/stdout.expected
345 	echo >> $testroot/stdout.expected
346 
347 	(cd $testroot/wt && got update > $testroot/stdout)
348 
349 	cmp -s $testroot/stdout.expected $testroot/stdout
350 	ret=$?
351 	if [ $ret -ne 0 ]; then
352 		diff -u $testroot/stdout.expected $testroot/stdout
353 		test_done "$testroot" "$ret"
354 		return 1
355 	fi
356 
357 	echo "another change" > $testroot/repo/epsilon/zeta
358 	git_commit $testroot/repo -m "changing epsilon/zeta again"
359 
360 	echo "U  epsilon/zeta" > $testroot/stdout.expected
361 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
362 	git_show_head $testroot/repo >> $testroot/stdout.expected
363 	echo >> $testroot/stdout.expected
364 
365 	(cd $testroot/wt && got update > $testroot/stdout)
366 
367 	cmp -s $testroot/stdout.expected $testroot/stdout
368 	ret=$?
369 	if [ $ret -ne 0 ]; then
370 		diff -u $testroot/stdout.expected $testroot/stdout
371 		test_done "$testroot" "$ret"
372 		return 1
373 	fi
374 
375 	cmp -s $testroot/stdout.expected $testroot/stdout
376 	ret=$?
377 	if [ $ret -ne 0 ]; then
378 		diff -u $testroot/stdout.expected $testroot/stdout
379 	fi
380 	test_done "$testroot" "$ret"
381 }
382 
383 test_update_moves_files_upwards() {
384 	local testroot=`test_init update_moves_files_upwards`
385 
386 	mkdir $testroot/repo/epsilon/psi
387 	echo mu > $testroot/repo/epsilon/psi/mu
388 	mkdir $testroot/repo/epsilon/psi/chi
389 	echo tau > $testroot/repo/epsilon/psi/chi/tau
390 	(cd $testroot/repo && git add .)
391 	git_commit $testroot/repo -m "adding a sub-directory beneath epsilon"
392 
393 	got checkout $testroot/repo $testroot/wt > /dev/null
394 	ret=$?
395 	if [ $ret -ne 0 ]; then
396 		test_done "$testroot" "$ret"
397 		return 1
398 	fi
399 
400 	(cd $testroot/repo && git mv epsilon/psi/mu epsilon/mu)
401 	(cd $testroot/repo && git mv epsilon/psi/chi/tau epsilon/psi/tau)
402 	git_commit $testroot/repo -m "moving files upwards"
403 
404 	echo "A  epsilon/mu" > $testroot/stdout.expected
405 	echo "D  epsilon/psi/chi/tau" >> $testroot/stdout.expected
406 	echo "D  epsilon/psi/mu" >> $testroot/stdout.expected
407 	echo "A  epsilon/psi/tau" >> $testroot/stdout.expected
408 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
409 	git_show_head $testroot/repo >> $testroot/stdout.expected
410 	echo >> $testroot/stdout.expected
411 
412 	(cd $testroot/wt && got update > $testroot/stdout)
413 
414 	cmp -s $testroot/stdout.expected $testroot/stdout
415 	ret=$?
416 	if [ $ret -ne 0 ]; then
417 		diff -u $testroot/stdout.expected $testroot/stdout
418 		test_done "$testroot" "$ret"
419 		return 1
420 	fi
421 
422 	if [ -e $testroot/wt/epsilon/psi/chi ]; then
423 		echo "removed dir epsilon/psi/chi still exists on disk" >&2
424 		test_done "$testroot" "1"
425 		return 1
426 	fi
427 
428 	if [ -e $testroot/wt/epsilon/psi/mu ]; then
429 		echo "removed file epsilon/psi/mu still exists on disk" >&2
430 		test_done "$testroot" "1"
431 		return 1
432 	fi
433 
434 	test_done "$testroot" "0"
435 }
436 
437 test_update_moves_files_to_new_dir() {
438 	local testroot=`test_init update_moves_files_to_new_dir`
439 
440 	mkdir $testroot/repo/epsilon/psi
441 	echo mu > $testroot/repo/epsilon/psi/mu
442 	mkdir $testroot/repo/epsilon/psi/chi
443 	echo tau > $testroot/repo/epsilon/psi/chi/tau
444 	(cd $testroot/repo && git add .)
445 	git_commit $testroot/repo -m "adding a sub-directory beneath epsilon"
446 
447 	got checkout $testroot/repo $testroot/wt > /dev/null
448 	ret=$?
449 	if [ $ret -ne 0 ]; then
450 		test_done "$testroot" "$ret"
451 		return 1
452 	fi
453 
454 	mkdir -p $testroot/repo/epsilon-new/psi
455 	(cd $testroot/repo && git mv epsilon/psi/mu epsilon-new/mu)
456 	(cd $testroot/repo && git mv epsilon/psi/chi/tau epsilon-new/psi/tau)
457 	git_commit $testroot/repo -m "moving files upwards"
458 
459 	echo "D  epsilon/psi/chi/tau" > $testroot/stdout.expected
460 	echo "D  epsilon/psi/mu" >> $testroot/stdout.expected
461 	echo "A  epsilon-new/mu" >> $testroot/stdout.expected
462 	echo "A  epsilon-new/psi/tau" >> $testroot/stdout.expected
463 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
464 	git_show_head $testroot/repo >> $testroot/stdout.expected
465 	echo >> $testroot/stdout.expected
466 
467 	(cd $testroot/wt && got update > $testroot/stdout)
468 
469 	cmp -s $testroot/stdout.expected $testroot/stdout
470 	ret=$?
471 	if [ $ret -ne 0 ]; then
472 		diff -u $testroot/stdout.expected $testroot/stdout
473 		test_done "$testroot" "$ret"
474 		return 1
475 	fi
476 
477 	if [ -e $testroot/wt/epsilon/psi/chi ]; then
478 		echo "removed dir epsilon/psi/chi still exists on disk" >&2
479 		test_done "$testroot" "1"
480 		return 1
481 	fi
482 
483 	if [ -e $testroot/wt/epsilon/psi/mu ]; then
484 		echo "removed file epsilon/psi/mu still exists on disk" >&2
485 		test_done "$testroot" "1"
486 		return 1
487 	fi
488 
489 	test_done "$testroot" "0"
490 }
491 
492 test_update_creates_missing_parent() {
493 	local testroot=`test_init update_creates_missing_parent 1`
494 
495 	touch $testroot/repo/Makefile
496 	touch $testroot/repo/snake.6
497 	touch $testroot/repo/snake.c
498 	(cd $testroot/repo && git add .)
499 	git_commit $testroot/repo -m "adding initial snake tree"
500 
501 	got checkout $testroot/repo $testroot/wt > /dev/null
502 	ret=$?
503 	if [ $ret -ne 0 ]; then
504 		test_done "$testroot" "$ret"
505 		return 1
506 	fi
507 
508 	mkdir -p $testroot/repo/snake
509 	(cd $testroot/repo && git mv Makefile snake.6 snake.c snake)
510 	touch $testroot/repo/snake/move.c
511 	touch $testroot/repo/snake/pathnames.h
512 	touch $testroot/repo/snake/snake.h
513 	mkdir -p $testroot/repo/snscore
514 	touch $testroot/repo/snscore/Makefile
515 	touch $testroot/repo/snscore/snscore.c
516 	(cd $testroot/repo && git add .)
517 	git_commit $testroot/repo -m "restructuring snake tree"
518 
519 	echo "D  Makefile" > $testroot/stdout.expected
520 	echo "A  snake/Makefile" >> $testroot/stdout.expected
521 	echo "A  snake/move.c" >> $testroot/stdout.expected
522 	echo "A  snake/pathnames.h" >> $testroot/stdout.expected
523 	echo "A  snake/snake.6" >> $testroot/stdout.expected
524 	echo "A  snake/snake.c" >> $testroot/stdout.expected
525 	echo "A  snake/snake.h" >> $testroot/stdout.expected
526 	echo "D  snake.6" >> $testroot/stdout.expected
527 	echo "D  snake.c" >> $testroot/stdout.expected
528 	echo "A  snscore/Makefile" >> $testroot/stdout.expected
529 	echo "A  snscore/snscore.c" >> $testroot/stdout.expected
530 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
531 	git_show_head $testroot/repo >> $testroot/stdout.expected
532 	echo >> $testroot/stdout.expected
533 
534 	(cd $testroot/wt && got update > $testroot/stdout)
535 
536 	cmp -s $testroot/stdout.expected $testroot/stdout
537 	ret=$?
538 	if [ $ret -ne 0 ]; then
539 		diff -u $testroot/stdout.expected $testroot/stdout
540 	fi
541 	test_done "$testroot" "$ret"
542 }
543 
544 test_update_creates_missing_parent_with_subdir() {
545 	local testroot=`test_init update_creates_missing_parent_with_subdir 1`
546 
547 	touch $testroot/repo/Makefile
548 	touch $testroot/repo/snake.6
549 	touch $testroot/repo/snake.c
550 	(cd $testroot/repo && git add .)
551 	git_commit $testroot/repo -m "adding initial snake tree"
552 
553 	got checkout $testroot/repo $testroot/wt > /dev/null
554 	ret=$?
555 	if [ $ret -ne 0 ]; then
556 		test_done "$testroot" "$ret"
557 		return 1
558 	fi
559 
560 	mkdir -p $testroot/repo/sss/snake
561 	(cd $testroot/repo && git mv Makefile snake.6 snake.c sss/snake)
562 	touch $testroot/repo/sss/snake/move.c
563 	touch $testroot/repo/sss/snake/pathnames.h
564 	touch $testroot/repo/sss/snake/snake.h
565 	mkdir -p $testroot/repo/snscore
566 	touch $testroot/repo/snscore/Makefile
567 	touch $testroot/repo/snscore/snscore.c
568 	(cd $testroot/repo && git add .)
569 	git_commit $testroot/repo -m "restructuring snake tree"
570 
571 	echo "D  Makefile" > $testroot/stdout.expected
572 	echo "D  snake.6" >> $testroot/stdout.expected
573 	echo "D  snake.c" >> $testroot/stdout.expected
574 	echo "A  snscore/Makefile" >> $testroot/stdout.expected
575 	echo "A  snscore/snscore.c" >> $testroot/stdout.expected
576 	echo "A  sss/snake/Makefile" >> $testroot/stdout.expected
577 	echo "A  sss/snake/move.c" >> $testroot/stdout.expected
578 	echo "A  sss/snake/pathnames.h" >> $testroot/stdout.expected
579 	echo "A  sss/snake/snake.6" >> $testroot/stdout.expected
580 	echo "A  sss/snake/snake.c" >> $testroot/stdout.expected
581 	echo "A  sss/snake/snake.h" >> $testroot/stdout.expected
582 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
583 	git_show_head $testroot/repo >> $testroot/stdout.expected
584 	echo >> $testroot/stdout.expected
585 
586 	(cd $testroot/wt && got update > $testroot/stdout)
587 
588 	cmp -s $testroot/stdout.expected $testroot/stdout
589 	ret=$?
590 	if [ $ret -ne 0 ]; then
591 		diff -u $testroot/stdout.expected $testroot/stdout
592 		test_done "$testroot" "$ret"
593 		return 1
594 	fi
595 
596 	test_done "$testroot" "0"
597 }
598 
599 test_update_file_in_subsubdir() {
600 	local testroot=`test_init update_fle_in_subsubdir 1`
601 
602 	touch $testroot/repo/Makefile
603 	mkdir -p $testroot/repo/altq
604 	touch $testroot/repo/altq/if_altq.h
605 	mkdir -p $testroot/repo/arch/alpha
606 	touch $testroot/repo/arch/alpha/Makefile
607 	(cd $testroot/repo && git add .)
608 	git_commit $testroot/repo -m "adding initial tree"
609 
610 	got checkout $testroot/repo $testroot/wt > /dev/null
611 	ret=$?
612 	if [ $ret -ne 0 ]; then
613 		test_done "$testroot" "$ret"
614 		return 1
615 	fi
616 
617 	echo change > $testroot/repo/arch/alpha/Makefile
618 	(cd $testroot/repo && git add .)
619 	git_commit $testroot/repo -m "changed a file"
620 
621 	echo "U  arch/alpha/Makefile" > $testroot/stdout.expected
622 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
623 	git_show_head $testroot/repo >> $testroot/stdout.expected
624 	echo >> $testroot/stdout.expected
625 
626 	(cd $testroot/wt && got update > $testroot/stdout)
627 
628 	cmp -s $testroot/stdout.expected $testroot/stdout
629 	ret=$?
630 	if [ $ret -ne 0 ]; then
631 		diff -u $testroot/stdout.expected $testroot/stdout
632 		test_done "$testroot" "$ret"
633 		return 1
634 	fi
635 
636 	test_done "$testroot" "0"
637 }
638 
639 test_update_changes_file_to_dir() {
640 	local testroot=`test_init update_changes_file_to_dir`
641 
642 	got checkout $testroot/repo $testroot/wt > /dev/null
643 	ret=$?
644 	if [ $ret -ne 0 ]; then
645 		test_done "$testroot" "$ret"
646 		return 1
647 	fi
648 
649 	git_rm $testroot/repo alpha
650 	mkdir $testroot/repo/alpha
651 	echo eta > $testroot/repo/alpha/eta
652 	(cd $testroot/repo && git add alpha/eta)
653 	git_commit $testroot/repo -m "changed alpha into directory"
654 
655 	(cd $testroot/wt && got update > $testroot/stdout 2> $testroot/stderr)
656 	ret=$?
657 	if [ $ret -ne 0 ]; then
658 		echo "update failed unexpectedly" >&2
659 		test_done "$testroot" "1"
660 		return 1
661 	fi
662 
663 	echo "D  alpha" > $testroot/stdout.expected
664 	echo "A  alpha/eta" >> $testroot/stdout.expected
665 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
666 	git_show_head $testroot/repo >> $testroot/stdout.expected
667 	echo >> $testroot/stdout.expected
668 
669 	cmp -s $testroot/stdout.expected $testroot/stdout
670 	ret=$?
671 	if [ $ret -ne 0 ]; then
672 		diff -u $testroot/stdout.expected $testroot/stdout
673 	fi
674 	test_done "$testroot" "$ret"
675 }
676 
677 test_update_changes_dir_to_file() {
678 	local testroot=`test_init update_changes_dir_to_file`
679 
680 	got checkout $testroot/repo $testroot/wt > /dev/null
681 	ret=$?
682 	if [ $ret -ne 0 ]; then
683 		test_done "$testroot" "$ret"
684 		return 1
685 	fi
686 
687 	git_rmdir $testroot/repo epsilon
688 	echo epsilon > $testroot/repo/epsilon
689 	cp $testroot/repo/epsilon $testroot/content.expected
690 	(cd $testroot/repo && git add epsilon)
691 	git_commit $testroot/repo -m "changed epsilon into file"
692 
693 	(cd $testroot/wt && got update > $testroot/stdout 2> $testroot/stderr)
694 	ret=$?
695 	if [ $ret -ne 0 ]; then
696 		echo "update failed unexpectedly" >&2
697 		test_done "$testroot" "1"
698 		return 1
699 	fi
700 
701 	# The current behaviour is not perfect, but we accept it for now.
702 	echo "~  epsilon" > $testroot/stdout.expected
703 	echo "D  epsilon/zeta" >> $testroot/stdout.expected
704 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
705 	git_show_head $testroot/repo >> $testroot/stdout.expected
706 	echo >> $testroot/stdout.expected
707 	echo "File paths obstructed by a non-regular file: 1" \
708 		>> $testroot/stdout.expected
709 
710 	cmp -s $testroot/stdout.expected $testroot/stdout
711 	ret=$?
712 	if [ $ret -ne 0 ]; then
713 		diff -u $testroot/stdout.expected $testroot/stdout
714 		test_done "$testroot" "$ret"
715 		return 1
716 	fi
717 
718 	# Updating again now restores the file which was obstructed by a
719 	# directory in the previous update operation. Ideally, a single
720 	# update operation would suffice.
721 	(cd $testroot/wt && got update > $testroot/stdout 2> $testroot/stderr)
722 	ret=$?
723 	if [ $ret -ne 0 ]; then
724 		echo "update failed unexpectedly" >&2
725 		test_done "$testroot" "1"
726 		return 1
727 	fi
728 	echo "A  epsilon" > $testroot/stdout.expected
729 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
730 	git_show_head $testroot/repo >> $testroot/stdout.expected
731 	echo >> $testroot/stdout.expected
732 
733 	cmp -s $testroot/stdout.expected $testroot/stdout
734 	ret=$?
735 	if [ $ret -ne 0 ]; then
736 		diff -u $testroot/stdout.expected $testroot/stdout
737 		test_done "$testroot" "$ret"
738 		return 1
739 	fi
740 
741 	cmp -s $testroot/content.expected $testroot/wt/epsilon
742 	ret=$?
743 	if [ $ret -ne 0 ]; then
744 		diff -u $testroot/content.expected $testroot/wt/epsilon
745 	fi
746 	test_done "$testroot" "$ret"
747 }
748 
749 test_update_changes_modified_file_to_dir() {
750 	local testroot=`test_init update_changes_modified_file_to_dir`
751 
752 	got checkout $testroot/repo $testroot/wt > /dev/null
753 	ret=$?
754 	if [ $ret -ne 0 ]; then
755 		test_done "$testroot" "$ret"
756 		return 1
757 	fi
758 
759 	git_rm $testroot/repo alpha
760 	mkdir $testroot/repo/alpha
761 	echo eta > $testroot/repo/alpha/eta
762 	(cd $testroot/repo && git add alpha/eta)
763 	git_commit $testroot/repo -m "changed alpha into directory"
764 
765 	echo "modified alpha" >> $testroot/wt/alpha
766 	cp $testroot/wt/alpha $testroot/wt/content.expected
767 	(cd $testroot/wt && got update > $testroot/stdout 2> $testroot/stderr)
768 	ret=$?
769 	if [ $ret -eq 0 ]; then
770 		echo "update succeeded unexpectedly" >&2
771 		test_done "$testroot" "1"
772 		return 1
773 	fi
774 
775 	echo "d  alpha" > $testroot/stdout.expected
776 	cmp -s $testroot/stdout.expected $testroot/stdout
777 	ret=$?
778 	if [ $ret -ne 0 ]; then
779 		diff -u $testroot/stdout.expected $testroot/stdout
780 		test_done "$testroot" "$ret"
781 		return 1
782 	fi
783 
784 	echo "got: alpha/eta: file is obstructed" > $testroot/stderr.expected
785 	cmp -s $testroot/stderr.expected $testroot/stderr
786 	ret=$?
787 	if [ $ret -ne 0 ]; then
788 		diff -u $testroot/stderr.expected $testroot/stderr
789 	fi
790 	test_done "$testroot" "$ret"
791 }
792 
793 test_update_merges_file_edits() {
794 	local testroot=`test_init update_merges_file_edits`
795 
796 	echo "1" > $testroot/repo/numbers
797 	echo "2" >> $testroot/repo/numbers
798 	echo "3" >> $testroot/repo/numbers
799 	echo "4" >> $testroot/repo/numbers
800 	echo "5" >> $testroot/repo/numbers
801 	echo "6" >> $testroot/repo/numbers
802 	echo "7" >> $testroot/repo/numbers
803 	echo "8" >> $testroot/repo/numbers
804 	(cd $testroot/repo && git add numbers)
805 	git_commit $testroot/repo -m "added numbers file"
806 	local base_commit=`git_show_head $testroot/repo`
807 
808 	got checkout $testroot/repo $testroot/wt > /dev/null
809 	ret=$?
810 	if [ $ret -ne 0 ]; then
811 		test_done "$testroot" "$ret"
812 		return 1
813 	fi
814 
815 	echo "modified alpha" > $testroot/repo/alpha
816 	echo "modified beta" > $testroot/repo/beta
817 	ed -s $testroot/repo/numbers <<-\EOF
818 	,s/2/22/
819 	w
820 	EOF
821 	git_commit $testroot/repo -m "modified 3 files"
822 
823 	echo "modified alpha, too" > $testroot/wt/alpha
824 	touch $testroot/wt/beta
825 	ed -s $testroot/wt/numbers <<-\EOF
826 	,s/7/77/
827 	w
828 	EOF
829 
830 	echo "C  alpha" > $testroot/stdout.expected
831 	echo "U  beta" >> $testroot/stdout.expected
832 	echo "G  numbers" >> $testroot/stdout.expected
833 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
834 	git_show_head $testroot/repo >> $testroot/stdout.expected
835 	echo >> $testroot/stdout.expected
836 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
837 
838 	(cd $testroot/wt && got update > $testroot/stdout)
839 
840 	cmp -s $testroot/stdout.expected $testroot/stdout
841 	ret=$?
842 	if [ $ret -ne 0 ]; then
843 		diff -u $testroot/stdout.expected $testroot/stdout
844 		test_done "$testroot" "$ret"
845 		return 1
846 	fi
847 
848 	echo -n "<<<<<<< merged change: commit " > $testroot/content.expected
849 	git_show_head $testroot/repo >> $testroot/content.expected
850 	echo >> $testroot/content.expected
851 	echo "modified alpha" >> $testroot/content.expected
852 	echo "||||||| 3-way merge base: commit $base_commit" \
853 		>> $testroot/content.expected
854 	echo "alpha" >> $testroot/content.expected
855 	echo "=======" >> $testroot/content.expected
856 	echo "modified alpha, too" >> $testroot/content.expected
857 	echo '>>>>>>>' >> $testroot/content.expected
858 	echo "modified beta" >> $testroot/content.expected
859 	echo "1" >> $testroot/content.expected
860 	echo "22" >> $testroot/content.expected
861 	echo "3" >> $testroot/content.expected
862 	echo "4" >> $testroot/content.expected
863 	echo "5" >> $testroot/content.expected
864 	echo "6" >> $testroot/content.expected
865 	echo "77" >> $testroot/content.expected
866 	echo "8" >> $testroot/content.expected
867 
868 	cat $testroot/wt/alpha > $testroot/content
869 	cat $testroot/wt/beta >> $testroot/content
870 	cat $testroot/wt/numbers >> $testroot/content
871 
872 	cmp -s $testroot/content.expected $testroot/content
873 	ret=$?
874 	if [ $ret -ne 0 ]; then
875 		diff -u $testroot/content.expected $testroot/content
876 	fi
877 	test_done "$testroot" "$ret"
878 }
879 
880 test_update_keeps_xbit() {
881 	local testroot=`test_init update_keeps_xbit 1`
882 
883 	touch $testroot/repo/xfile
884 	chmod +x $testroot/repo/xfile
885 	(cd $testroot/repo && git add .)
886 	git_commit $testroot/repo -m "adding executable file"
887 
888 	got checkout $testroot/repo $testroot/wt > $testroot/stdout
889 	ret=$?
890 	if [ $ret -ne 0 ]; then
891 		test_done "$testroot" "$ret"
892 		return 1
893 	fi
894 
895 	echo foo > $testroot/repo/xfile
896 	git_commit $testroot/repo -m "changed executable file"
897 
898 	echo "U  xfile" > $testroot/stdout.expected
899 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
900 	git_show_head $testroot/repo >> $testroot/stdout.expected
901 	echo >> $testroot/stdout.expected
902 
903 	(cd $testroot/wt && got update > $testroot/stdout)
904 	ret=$?
905 	if [ $ret -ne 0 ]; then
906 		test_done "$testroot" "$ret"
907 		return 1
908 	fi
909 
910 	cmp -s $testroot/stdout.expected $testroot/stdout
911 	ret=$?
912 	if [ $ret -ne 0 ]; then
913 		diff -u $testroot/stdout.expected $testroot/stdout
914 		test_done "$testroot" "$ret"
915 		return 1
916 	fi
917 
918 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
919 	ret=$?
920 	if [ $ret -ne 0 ]; then
921 		echo "file is not executable" >&2
922 		ls -l $testroot/wt/xfile >&2
923 	fi
924 	test_done "$testroot" "$ret"
925 }
926 
927 test_update_clears_xbit() {
928 	local testroot=`test_init update_clears_xbit 1`
929 
930 	touch $testroot/repo/xfile
931 	chmod +x $testroot/repo/xfile
932 	(cd $testroot/repo && git add .)
933 	git_commit $testroot/repo -m "adding executable file"
934 
935 	got checkout $testroot/repo $testroot/wt > $testroot/stdout
936 	ret=$?
937 	if [ $ret -ne 0 ]; then
938 		test_done "$testroot" "$ret"
939 		return 1
940 	fi
941 
942 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
943 	ret=$?
944 	if [ $ret -ne 0 ]; then
945 		echo "file is not executable" >&2
946 		ls -l $testroot/wt/xfile >&2
947 		test_done "$testroot" "$ret"
948 		return 1
949 	fi
950 
951 	# XXX git seems to require a file edit when flipping the x bit?
952 	echo foo > $testroot/repo/xfile
953 	chmod -x $testroot/repo/xfile
954 	git_commit $testroot/repo -m "not an executable file anymore"
955 
956 	echo "U  xfile" > $testroot/stdout.expected
957 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
958 	git_show_head $testroot/repo >> $testroot/stdout.expected
959 	echo >> $testroot/stdout.expected
960 
961 	(cd $testroot/wt && got update > $testroot/stdout)
962 	ret=$?
963 	if [ $ret -ne 0 ]; then
964 		test_done "$testroot" "$ret"
965 		return 1
966 	fi
967 
968 	cmp -s $testroot/stdout.expected $testroot/stdout
969 	ret=$?
970 	if [ $ret -ne 0 ]; then
971 		diff -u $testroot/stdout.expected $testroot/stdout
972 		test_done "$testroot" "$ret"
973 		return 1
974 	fi
975 
976 	ls -l $testroot/wt/xfile | grep -q '^-rw-'
977 	ret=$?
978 	if [ $ret -ne 0 ]; then
979 		echo "file is unexpectedly executable" >&2
980 		ls -l $testroot/wt/xfile >&2
981 	fi
982 	test_done "$testroot" "$ret"
983 }
984 
985 test_update_restores_missing_file() {
986 	local testroot=`test_init update_restores_missing_file`
987 
988 	got checkout $testroot/repo $testroot/wt > /dev/null
989 	ret=$?
990 	if [ $ret -ne 0 ]; then
991 		test_done "$testroot" "$ret"
992 		return 1
993 	fi
994 
995 	rm $testroot/wt/alpha
996 
997 	echo "!  alpha" > $testroot/stdout.expected
998 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
999 	git_show_head $testroot/repo >> $testroot/stdout.expected
1000 	echo >> $testroot/stdout.expected
1001 	(cd $testroot/wt && got update > $testroot/stdout)
1002 
1003 	cmp -s $testroot/stdout.expected $testroot/stdout
1004 	ret=$?
1005 	if [ $ret -ne 0 ]; then
1006 		diff -u $testroot/stdout.expected $testroot/stdout
1007 		test_done "$testroot" "$ret"
1008 		return 1
1009 	fi
1010 
1011 	echo "alpha" > $testroot/content.expected
1012 
1013 	cat $testroot/wt/alpha > $testroot/content
1014 
1015 	cmp -s $testroot/content.expected $testroot/content
1016 	ret=$?
1017 	if [ $ret -ne 0 ]; then
1018 		diff -u $testroot/content.expected $testroot/content
1019 	fi
1020 	test_done "$testroot" "$ret"
1021 }
1022 
1023 test_update_conflict_wt_add_vs_repo_add() {
1024 	local testroot=`test_init update_conflict_wt_add_vs_repo_add`
1025 
1026 	got checkout $testroot/repo $testroot/wt > /dev/null
1027 	ret=$?
1028 	if [ $ret -ne 0 ]; then
1029 		test_done "$testroot" "$ret"
1030 		return 1
1031 	fi
1032 
1033 	echo "new" > $testroot/repo/gamma/new
1034 	(cd $testroot/repo && git add .)
1035 	git_commit $testroot/repo -m "adding a new file"
1036 
1037 	echo "also new" > $testroot/wt/gamma/new
1038 	(cd $testroot/wt && got add gamma/new >/dev/null)
1039 
1040 	(cd $testroot/wt && got update > $testroot/stdout)
1041 
1042 	echo "C  gamma/new" > $testroot/stdout.expected
1043 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1044 	git_show_head $testroot/repo >> $testroot/stdout.expected
1045 	echo >> $testroot/stdout.expected
1046 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
1047 
1048 	cmp -s $testroot/stdout.expected $testroot/stdout
1049 	ret=$?
1050 	if [ $ret -ne 0 ]; then
1051 		diff -u $testroot/stdout.expected $testroot/stdout
1052 		test_done "$testroot" "$ret"
1053 		return 1
1054 	fi
1055 
1056 	echo -n "<<<<<<< merged change: commit " > $testroot/content.expected
1057 	git_show_head $testroot/repo >> $testroot/content.expected
1058 	echo >> $testroot/content.expected
1059 	echo "new" >> $testroot/content.expected
1060 	echo "=======" >> $testroot/content.expected
1061 	echo "also new" >> $testroot/content.expected
1062 	echo '>>>>>>>' >> $testroot/content.expected
1063 
1064 	cat $testroot/wt/gamma/new > $testroot/content
1065 
1066 	cmp -s $testroot/content.expected $testroot/content
1067 	ret=$?
1068 	if [ $ret -ne 0 ]; then
1069 		diff -u $testroot/content.expected $testroot/content
1070 		test_done "$testroot" "$ret"
1071 		return 1
1072 	fi
1073 
1074 	# resolve the conflict
1075 	echo "new and also new" > $testroot/wt/gamma/new
1076 	echo 'M  gamma/new' > $testroot/stdout.expected
1077 	(cd $testroot/wt && got status > $testroot/stdout)
1078 	cmp -s $testroot/stdout.expected $testroot/stdout
1079 	ret=$?
1080 	if [ $ret -ne 0 ]; then
1081 		diff -u $testroot/stdout.expected $testroot/stdout
1082 	fi
1083 	test_done "$testroot" "$ret"
1084 }
1085 
1086 test_update_conflict_wt_edit_vs_repo_rm() {
1087 	local testroot=`test_init update_conflict_wt_edit_vs_repo_rm`
1088 
1089 	got checkout $testroot/repo $testroot/wt > /dev/null
1090 	ret=$?
1091 	if [ $ret -ne 0 ]; then
1092 		test_done "$testroot" "$ret"
1093 		return 1
1094 	fi
1095 
1096 	(cd $testroot/repo && git rm -q beta)
1097 	git_commit $testroot/repo -m "removing a file"
1098 
1099 	echo "modified beta" > $testroot/wt/beta
1100 
1101 	(cd $testroot/wt && got update > $testroot/stdout)
1102 
1103 	echo "G  beta" > $testroot/stdout.expected
1104 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1105 	git_show_head $testroot/repo >> $testroot/stdout.expected
1106 	echo >> $testroot/stdout.expected
1107 	cmp -s $testroot/stdout.expected $testroot/stdout
1108 	ret=$?
1109 	if [ $ret -ne 0 ]; then
1110 		diff -u $testroot/stdout.expected $testroot/stdout
1111 		test_done "$testroot" "$ret"
1112 		return 1
1113 	fi
1114 
1115 	echo "modified beta" > $testroot/content.expected
1116 
1117 	cat $testroot/wt/beta > $testroot/content
1118 
1119 	cmp -s $testroot/content.expected $testroot/content
1120 	ret=$?
1121 	if [ $ret -ne 0 ]; then
1122 		diff -u $testroot/content.expected $testroot/content
1123 		test_done "$testroot" "$ret"
1124 		return 1
1125 	fi
1126 
1127 	# beta is now an added file... we don't flag tree conflicts yet
1128 	echo 'A  beta' > $testroot/stdout.expected
1129 	(cd $testroot/wt && got status > $testroot/stdout)
1130 	cmp -s $testroot/stdout.expected $testroot/stdout
1131 	ret=$?
1132 	if [ $ret -ne 0 ]; then
1133 		diff -u $testroot/stdout.expected $testroot/stdout
1134 	fi
1135 	test_done "$testroot" "$ret"
1136 }
1137 
1138 test_update_conflict_wt_rm_vs_repo_edit() {
1139 	local testroot=`test_init update_conflict_wt_rm_vs_repo_edit`
1140 
1141 	got checkout $testroot/repo $testroot/wt > /dev/null
1142 	ret=$?
1143 	if [ $ret -ne 0 ]; then
1144 		test_done "$testroot" "$ret"
1145 		return 1
1146 	fi
1147 
1148 	echo "modified beta" > $testroot/repo/beta
1149 	git_commit $testroot/repo -m "modified a file"
1150 
1151 	(cd $testroot/wt && got rm beta > /dev/null)
1152 
1153 	(cd $testroot/wt && got update > $testroot/stdout)
1154 
1155 	echo "G  beta" > $testroot/stdout.expected
1156 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1157 	git_show_head $testroot/repo >> $testroot/stdout.expected
1158 	echo >> $testroot/stdout.expected
1159 	cmp -s $testroot/stdout.expected $testroot/stdout
1160 	ret=$?
1161 	if [ $ret -ne 0 ]; then
1162 		diff -u $testroot/stdout.expected $testroot/stdout
1163 		test_done "$testroot" "$ret"
1164 		return 1
1165 	fi
1166 
1167 	# beta remains a deleted file... we don't flag tree conflicts yet
1168 	echo 'D  beta' > $testroot/stdout.expected
1169 	(cd $testroot/wt && got status > $testroot/stdout)
1170 	cmp -s $testroot/stdout.expected $testroot/stdout
1171 	ret=$?
1172 	if [ $ret -ne 0 ]; then
1173 		diff -u $testroot/stdout.expected $testroot/stdout
1174 		test_done "$testroot" "$ret"
1175 		return 1
1176 	fi
1177 
1178 	# 'got diff' should show post-update contents of beta being deleted
1179 	local head_rev=`git_show_head $testroot/repo`
1180 	echo "diff $testroot/wt" > $testroot/stdout.expected
1181 	echo "commit - $head_rev"  >> $testroot/stdout.expected
1182 	echo "path + $testroot/wt" >> $testroot/stdout.expected
1183 	echo -n 'blob - ' >> $testroot/stdout.expected
1184 	got tree -r $testroot/repo -i | grep 'beta$' | cut -d' ' -f 1 \
1185 		>> $testroot/stdout.expected
1186 	echo 'file + /dev/null' >> $testroot/stdout.expected
1187 	echo '--- beta' >> $testroot/stdout.expected
1188 	echo '+++ /dev/null' >> $testroot/stdout.expected
1189 	echo '@@ -1 +0,0 @@' >> $testroot/stdout.expected
1190 	echo '-modified beta' >> $testroot/stdout.expected
1191 
1192 	(cd $testroot/wt && got diff > $testroot/stdout)
1193 	cmp -s $testroot/stdout.expected $testroot/stdout
1194 	ret=$?
1195 	if [ $ret -ne 0 ]; then
1196 		diff -u $testroot/stdout.expected $testroot/stdout
1197 	fi
1198 	test_done "$testroot" "$ret"
1199 }
1200 
1201 test_update_conflict_wt_rm_vs_repo_rm() {
1202 	local testroot=`test_init update_conflict_wt_rm_vs_repo_rm`
1203 
1204 	got checkout $testroot/repo $testroot/wt > /dev/null
1205 	ret=$?
1206 	if [ $ret -ne 0 ]; then
1207 		test_done "$testroot" "$ret"
1208 		return 1
1209 	fi
1210 
1211 	(cd $testroot/repo && git rm -q beta)
1212 	git_commit $testroot/repo -m "removing a file"
1213 
1214 	(cd $testroot/wt && got rm beta > /dev/null)
1215 
1216 	(cd $testroot/wt && got update > $testroot/stdout)
1217 
1218 	echo "D  beta" > $testroot/stdout.expected
1219 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1220 	git_show_head $testroot/repo >> $testroot/stdout.expected
1221 	echo >> $testroot/stdout.expected
1222 	cmp -s $testroot/stdout.expected $testroot/stdout
1223 	ret=$?
1224 	if [ $ret -ne 0 ]; then
1225 		diff -u $testroot/stdout.expected $testroot/stdout
1226 		test_done "$testroot" "$ret"
1227 		return 1
1228 	fi
1229 
1230 	# beta is now gone... we don't flag tree conflicts yet
1231 	echo "N  beta" > $testroot/stdout.expected
1232 	echo -n > $testroot/stderr.expected
1233 	(cd $testroot/wt && got status beta > $testroot/stdout \
1234 		2> $testroot/stderr)
1235 	cmp -s $testroot/stdout.expected $testroot/stdout
1236 	ret=$?
1237 	if [ $ret -ne 0 ]; then
1238 		diff -u $testroot/stdout.expected $testroot/stdout
1239 		test_done "$testroot" "$ret"
1240 		return 1
1241 	fi
1242 	cmp -s $testroot/stderr.expected $testroot/stderr
1243 	ret=$?
1244 	if [ $ret -ne 0 ]; then
1245 		diff -u $testroot/stderr.expected $testroot/stderr
1246 		test_done "$testroot" "$ret"
1247 		return 1
1248 	fi
1249 
1250 	if [ -e $testroot/wt/beta ]; then
1251 		echo "removed file beta still exists on disk" >&2
1252 		test_done "$testroot" "1"
1253 		return 1
1254 	fi
1255 
1256 	test_done "$testroot" "0"
1257 }
1258 
1259 test_update_partial() {
1260 	local testroot=`test_init update_partial`
1261 
1262 	got checkout $testroot/repo $testroot/wt > /dev/null
1263 	ret=$?
1264 	if [ $ret -ne 0 ]; then
1265 		test_done "$testroot" "$ret"
1266 		return 1
1267 	fi
1268 
1269 	echo "modified alpha" > $testroot/repo/alpha
1270 	echo "modified beta" > $testroot/repo/beta
1271 	echo "modified epsilon/zeta" > $testroot/repo/epsilon/zeta
1272 	git_commit $testroot/repo -m "modified two files"
1273 
1274 	echo "U  alpha" > $testroot/stdout.expected
1275 	echo "U  beta" >> $testroot/stdout.expected
1276 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1277 	git_show_head $testroot/repo >> $testroot/stdout.expected
1278 	echo >> $testroot/stdout.expected
1279 
1280 	(cd $testroot/wt && got update alpha beta > $testroot/stdout)
1281 
1282 	cmp -s $testroot/stdout.expected $testroot/stdout
1283 	ret=$?
1284 	if [ $ret -ne 0 ]; then
1285 		diff -u $testroot/stdout.expected $testroot/stdout
1286 		test_done "$testroot" "$ret"
1287 		return 1
1288 	fi
1289 
1290 	echo "modified alpha" > $testroot/content.expected
1291 	echo "modified beta" >> $testroot/content.expected
1292 
1293 	cat $testroot/wt/alpha $testroot/wt/beta > $testroot/content
1294 	cmp -s $testroot/content.expected $testroot/content
1295 	ret=$?
1296 	if [ $ret -ne 0 ]; then
1297 		diff -u $testroot/content.expected $testroot/content
1298 		test_done "$testroot" "$ret"
1299 		return 1
1300 	fi
1301 
1302 	echo "U  epsilon/zeta" > $testroot/stdout.expected
1303 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1304 	git_show_head $testroot/repo >> $testroot/stdout.expected
1305 	echo >> $testroot/stdout.expected
1306 
1307 	(cd $testroot/wt && got update epsilon > $testroot/stdout)
1308 
1309 	cmp -s $testroot/stdout.expected $testroot/stdout
1310 	ret=$?
1311 	if [ $ret -ne 0 ]; then
1312 		diff -u $testroot/stdout.expected $testroot/stdout
1313 		test_done "$testroot" "$ret"
1314 		return 1
1315 	fi
1316 
1317 	echo "modified epsilon/zeta" > $testroot/content.expected
1318 	cat $testroot/wt/epsilon/zeta > $testroot/content
1319 
1320 	cmp -s $testroot/content.expected $testroot/content
1321 	ret=$?
1322 	if [ $ret -ne 0 ]; then
1323 		diff -u $testroot/content.expected $testroot/content
1324 		test_done "$testroot" "$ret"
1325 		return 1
1326 	fi
1327 
1328 	test_done "$testroot" "$ret"
1329 }
1330 
1331 test_update_partial_add() {
1332 	local testroot=`test_init update_partial_add`
1333 
1334 	got checkout $testroot/repo $testroot/wt > /dev/null
1335 	ret=$?
1336 	if [ $ret -ne 0 ]; then
1337 		test_done "$testroot" "$ret"
1338 		return 1
1339 	fi
1340 
1341 	echo "new" > $testroot/repo/new
1342 	echo "epsilon/new2" > $testroot/repo/epsilon/new2
1343 	(cd $testroot/repo && git add .)
1344 	git_commit $testroot/repo -m "added two files"
1345 
1346 	echo "A  epsilon/new2" > $testroot/stdout.expected
1347 	echo "A  new" >> $testroot/stdout.expected
1348 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1349 	git_show_head $testroot/repo >> $testroot/stdout.expected
1350 	echo >> $testroot/stdout.expected
1351 
1352 	(cd $testroot/wt && got update new epsilon/new2 > $testroot/stdout)
1353 
1354 	cmp -s $testroot/stdout.expected $testroot/stdout
1355 	ret=$?
1356 	if [ $ret -ne 0 ]; then
1357 		diff -u $testroot/stdout.expected $testroot/stdout
1358 		test_done "$testroot" "$ret"
1359 		return 1
1360 	fi
1361 
1362 	echo "new" > $testroot/content.expected
1363 	echo "epsilon/new2" >> $testroot/content.expected
1364 
1365 	cat $testroot/wt/new $testroot/wt/epsilon/new2 > $testroot/content
1366 
1367 	cmp -s $testroot/content.expected $testroot/content
1368 	ret=$?
1369 	if [ $ret -ne 0 ]; then
1370 		diff -u $testroot/content.expected $testroot/content
1371 	fi
1372 	test_done "$testroot" "$ret"
1373 }
1374 
1375 test_update_partial_rm() {
1376 	local testroot=`test_init update_partial_rm`
1377 
1378 	got checkout $testroot/repo $testroot/wt > /dev/null
1379 	ret=$?
1380 	if [ $ret -ne 0 ]; then
1381 		test_done "$testroot" "$ret"
1382 		return 1
1383 	fi
1384 
1385 	(cd $testroot/repo && git rm -q alpha epsilon/zeta)
1386 	git_commit $testroot/repo -m "removed two files"
1387 
1388 	echo "got: /alpha: no such entry found in tree" \
1389 		> $testroot/stderr.expected
1390 
1391 	(cd $testroot/wt && got update alpha epsilon/zeta 2> $testroot/stderr)
1392 	ret=$?
1393 	if [ $ret -eq 0 ]; then
1394 		echo "update succeeded unexpectedly" >&2
1395 		test_done "$testroot" "1"
1396 		return 1
1397 	fi
1398 
1399 	cmp -s $testroot/stderr.expected $testroot/stderr
1400 	ret=$?
1401 	if [ $ret -ne 0 ]; then
1402 		diff -u $testroot/stderr.expected $testroot/stderr
1403 		test_done "$testroot" "$ret"
1404 		return 1
1405 	fi
1406 	test_done "$testroot" "$ret"
1407 }
1408 
1409 test_update_partial_dir() {
1410 	local testroot=`test_init update_partial_dir`
1411 
1412 	got checkout $testroot/repo $testroot/wt > /dev/null
1413 	ret=$?
1414 	if [ $ret -ne 0 ]; then
1415 		test_done "$testroot" "$ret"
1416 		return 1
1417 	fi
1418 
1419 	echo "modified alpha" > $testroot/repo/alpha
1420 	echo "modified beta" > $testroot/repo/beta
1421 	echo "modified epsilon/zeta" > $testroot/repo/epsilon/zeta
1422 	git_commit $testroot/repo -m "modified two files"
1423 
1424 	echo "U  epsilon/zeta" > $testroot/stdout.expected
1425 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1426 	git_show_head $testroot/repo >> $testroot/stdout.expected
1427 	echo >> $testroot/stdout.expected
1428 
1429 	(cd $testroot/wt && got update epsilon > $testroot/stdout)
1430 
1431 	cmp -s $testroot/stdout.expected $testroot/stdout
1432 	ret=$?
1433 	if [ $ret -ne 0 ]; then
1434 		diff -u $testroot/stdout.expected $testroot/stdout
1435 		test_done "$testroot" "$ret"
1436 		return 1
1437 	fi
1438 
1439 	echo "modified epsilon/zeta" > $testroot/content.expected
1440 	cat $testroot/wt/epsilon/zeta > $testroot/content
1441 
1442 	cmp -s $testroot/content.expected $testroot/content
1443 	ret=$?
1444 	if [ $ret -ne 0 ]; then
1445 		diff -u $testroot/content.expected $testroot/content
1446 		test_done "$testroot" "$ret"
1447 		return 1
1448 	fi
1449 	test_done "$testroot" "$ret"
1450 
1451 }
1452 
1453 test_update_moved_branch_ref() {
1454 	local testroot=`test_init update_moved_branch_ref`
1455 
1456 	git clone -q --mirror $testroot/repo $testroot/repo2
1457 
1458 	echo "modified alpha with git" > $testroot/repo/alpha
1459 	git_commit $testroot/repo -m "modified alpha with git"
1460 
1461 	got checkout $testroot/repo2 $testroot/wt > /dev/null
1462 	ret=$?
1463 	if [ $ret -ne 0 ]; then
1464 		test_done "$testroot" "$ret"
1465 		return 1
1466 	fi
1467 
1468 	echo "modified alpha with got" > $testroot/wt/alpha
1469 	(cd $testroot/wt && got commit -m "modified alpha with got" > /dev/null)
1470 
1471 	# + xxxxxxx...yyyyyyy master     -> master  (forced update)
1472 	(cd $testroot/repo2 && git fetch -q --all)
1473 
1474 	echo -n > $testroot/stdout.expected
1475 	echo -n "got: work tree's head reference now points to a different " \
1476 		> $testroot/stderr.expected
1477 	echo "branch; new head reference and/or update -b required"  \
1478 		>> $testroot/stderr.expected
1479 
1480 	(cd $testroot/wt && got update > $testroot/stdout 2> $testroot/stderr)
1481 
1482 	cmp -s $testroot/stdout.expected $testroot/stdout
1483 	ret=$?
1484 	if [ $ret -ne 0 ]; then
1485 		diff -u $testroot/stdout.expected $testroot/stdout
1486 		test_done "$testroot" "$ret"
1487 		return 1
1488 	fi
1489 
1490 	cmp -s $testroot/stderr.expected $testroot/stderr
1491 	ret=$?
1492 	if [ $ret -ne 0 ]; then
1493 		diff -u $testroot/stderr.expected $testroot/stderr
1494 	fi
1495 	test_done "$testroot" "$ret"
1496 }
1497 
1498 test_update_to_another_branch() {
1499 	local testroot=`test_init update_to_another_branch`
1500 	local base_commit=`git_show_head $testroot/repo`
1501 
1502 	got checkout $testroot/repo $testroot/wt > /dev/null
1503 	ret=$?
1504 	if [ $ret -ne 0 ]; then
1505 		test_done "$testroot" "$ret"
1506 		return 1
1507 	fi
1508 
1509 	echo 'refs/heads/master'> $testroot/head-ref.expected
1510 	cmp -s $testroot/head-ref.expected $testroot/wt/.got/head-ref
1511 	ret=$?
1512 	if [ $ret -ne 0 ]; then
1513 		diff -u $testroot/head-ref.expected $testroot/wt/.got/head-ref
1514 		test_done "$testroot" "$ret"
1515 		return 1
1516 	fi
1517 
1518 	(cd $testroot/repo && git checkout -q -b newbranch)
1519 	echo "modified alpha on new branch" > $testroot/repo/alpha
1520 	git_commit $testroot/repo -m "modified alpha on new branch"
1521 
1522 	echo "modified alpha in work tree" > $testroot/wt/alpha
1523 
1524 	echo "Switching work tree from refs/heads/master to refs/heads/newbranch" > $testroot/stdout.expected
1525 	echo "C  alpha" >> $testroot/stdout.expected
1526 	echo -n "Updated to refs/heads/newbranch: " >> $testroot/stdout.expected
1527 	git_show_head $testroot/repo >> $testroot/stdout.expected
1528 	echo >> $testroot/stdout.expected
1529 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
1530 
1531 	(cd $testroot/wt && got update -b newbranch > $testroot/stdout)
1532 
1533 	cmp -s $testroot/stdout.expected $testroot/stdout
1534 	ret=$?
1535 	if [ $ret -ne 0 ]; then
1536 		diff -u $testroot/stdout.expected $testroot/stdout
1537 		test_done "$testroot" "$ret"
1538 		return 1
1539 	fi
1540 
1541 	echo -n "<<<<<<< merged change: commit " > $testroot/content.expected
1542 	git_show_head $testroot/repo >> $testroot/content.expected
1543 	echo >> $testroot/content.expected
1544 	echo "modified alpha on new branch" >> $testroot/content.expected
1545 	echo "||||||| 3-way merge base: commit $base_commit" \
1546 		>> $testroot/content.expected
1547 	echo "alpha" >> $testroot/content.expected
1548 	echo "=======" >> $testroot/content.expected
1549 	echo "modified alpha in work tree" >> $testroot/content.expected
1550 	echo '>>>>>>>' >> $testroot/content.expected
1551 
1552 	cat $testroot/wt/alpha > $testroot/content
1553 
1554 	cmp -s $testroot/content.expected $testroot/content
1555 	ret=$?
1556 	if [ $ret -ne 0 ]; then
1557 		diff -u $testroot/content.expected $testroot/content
1558 		test_done "$testroot" "$ret"
1559 		return 1
1560 	fi
1561 
1562 	echo 'refs/heads/newbranch'> $testroot/head-ref.expected
1563 	cmp -s $testroot/head-ref.expected $testroot/wt/.got/head-ref
1564 	ret=$?
1565 	if [ $ret -ne 0 ]; then
1566 		diff -u $testroot/head-ref.expected $testroot/wt/.got/head-ref
1567 		test_done "$testroot" "$ret"
1568 		return 1
1569 	fi
1570 
1571 	test_done "$testroot" "$ret"
1572 }
1573 
1574 test_update_to_commit_on_wrong_branch() {
1575 	local testroot=`test_init update_to_commit_on_wrong_branch`
1576 
1577 	got checkout $testroot/repo $testroot/wt > /dev/null
1578 	ret=$?
1579 	if [ $ret -ne 0 ]; then
1580 		test_done "$testroot" "$ret"
1581 		return 1
1582 	fi
1583 
1584 	(cd $testroot/repo && git checkout -q -b newbranch)
1585 	echo "modified alpha on new branch" > $testroot/repo/alpha
1586 	git_commit $testroot/repo -m "modified alpha on new branch"
1587 
1588 	echo -n "" > $testroot/stdout.expected
1589 	echo  "got: target commit is on a different branch" \
1590 		> $testroot/stderr.expected
1591 
1592 	local head_rev=`git_show_head $testroot/repo`
1593 	(cd $testroot/wt && got update -c $head_rev > $testroot/stdout \
1594 		2> $testroot/stderr)
1595 
1596 	cmp -s $testroot/stdout.expected $testroot/stdout
1597 	ret=$?
1598 	if [ $ret -ne 0 ]; then
1599 		diff -u $testroot/stdout.expected $testroot/stdout
1600 		test_done "$testroot" "$ret"
1601 		return 1
1602 	fi
1603 
1604 	cmp -s $testroot/stderr.expected $testroot/stderr
1605 	ret=$?
1606 	if [ $ret -ne 0 ]; then
1607 		diff -u $testroot/stderr.expected $testroot/stderr
1608 		test_done "$testroot" "$ret"
1609 		return 1
1610 	fi
1611 
1612 	test_done "$testroot" "$ret"
1613 }
1614 
1615 test_update_bumps_base_commit_id() {
1616 	local testroot=`test_init update_bumps_base_commit_id`
1617 
1618 	echo "psi" > $testroot/repo/epsilon/psi
1619 	(cd $testroot/repo && git add .)
1620 	git_commit $testroot/repo -m "adding another file"
1621 
1622 	got checkout $testroot/repo $testroot/wt > /dev/null
1623 	ret=$?
1624 	if [ $ret -ne 0 ]; then
1625 		test_done "$testroot" "$ret"
1626 		return 1
1627 	fi
1628 
1629 	echo "modified psi" > $testroot/wt/epsilon/psi
1630 	(cd $testroot/wt && got commit -m "changed psi" > $testroot/stdout)
1631 
1632 	local head_rev=`git_show_head $testroot/repo`
1633 	echo "M  epsilon/psi" > $testroot/stdout.expected
1634 	echo "Created commit $head_rev" >> $testroot/stdout.expected
1635 	cmp -s $testroot/stdout.expected $testroot/stdout
1636 	ret=$?
1637 	if [ $ret -ne 0 ]; then
1638 		diff -u $testroot/stdout.expected $testroot/stdout
1639 		test_done "$testroot" "$ret"
1640 		return 1
1641 	fi
1642 
1643 	echo "changed zeta with git" > $testroot/repo/epsilon/zeta
1644 	(cd $testroot/repo && git add .)
1645 	git_commit $testroot/repo -m "changing zeta with git"
1646 
1647 	echo "modified zeta" > $testroot/wt/epsilon/zeta
1648 	(cd $testroot/wt && got commit -m "changed zeta" > $testroot/stdout \
1649 		2> $testroot/stderr)
1650 
1651 	echo -n "" > $testroot/stdout.expected
1652 	echo "got: work tree must be updated before these changes can be committed"  > $testroot/stderr.expected
1653 	cmp -s $testroot/stderr.expected $testroot/stderr
1654 	ret=$?
1655 	if [ $ret -ne 0 ]; then
1656 		diff -u $testroot/stderr.expected $testroot/stderr
1657 		test_done "$testroot" "$ret"
1658 		return 1
1659 	fi
1660 
1661 	(cd $testroot/wt && got update > $testroot/stdout)
1662 
1663 	echo "U  epsilon/psi" > $testroot/stdout.expected
1664 	echo "C  epsilon/zeta" >> $testroot/stdout.expected
1665 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1666 	git_show_head $testroot/repo >> $testroot/stdout.expected
1667 	echo >> $testroot/stdout.expected
1668 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
1669 
1670 	cmp -s $testroot/stdout.expected $testroot/stdout
1671 	ret=$?
1672 	if [ $ret -ne 0 ]; then
1673 		diff -u $testroot/stdout.expected $testroot/stdout
1674 		test_done "$testroot" "$ret"
1675 		return 1
1676 	fi
1677 
1678 	# resolve conflict
1679 	echo "modified zeta with got and git" > $testroot/wt/epsilon/zeta
1680 
1681 	(cd $testroot/wt && got commit -m "changed zeta" > $testroot/stdout)
1682 
1683 	local head_rev=`git_show_head $testroot/repo`
1684 	echo "M  epsilon/zeta" > $testroot/stdout.expected
1685 	echo "Created commit $head_rev" >> $testroot/stdout.expected
1686 	cmp -s $testroot/stdout.expected $testroot/stdout
1687 	ret=$?
1688 	if [ $ret -ne 0 ]; then
1689 		diff -u $testroot/stdout.expected $testroot/stdout
1690 		test_done "$testroot" "$ret"
1691 		return 1
1692 	fi
1693 
1694 	test_done "$testroot" "$ret"
1695 }
1696 
1697 test_update_tag() {
1698 	local testroot=`test_init update_tag`
1699 	local tag="1.0.0"
1700 
1701 	got checkout $testroot/repo $testroot/wt > /dev/null
1702 	ret=$?
1703 	if [ $ret -ne 0 ]; then
1704 		test_done "$testroot" "$ret"
1705 		return 1
1706 	fi
1707 
1708 	echo "modified alpha" > $testroot/repo/alpha
1709 	git_commit $testroot/repo -m "modified alpha"
1710 	(cd $testroot/repo && git tag -m "test" -a $tag)
1711 
1712 	echo "U  alpha" > $testroot/stdout.expected
1713 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1714 	git_show_head $testroot/repo >> $testroot/stdout.expected
1715 	echo >> $testroot/stdout.expected
1716 
1717 	(cd $testroot/wt && got update -c $tag > $testroot/stdout)
1718 
1719 	cmp -s $testroot/stdout.expected $testroot/stdout
1720 	ret=$?
1721 	if [ $ret -ne 0 ]; then
1722 		diff -u $testroot/stdout.expected $testroot/stdout
1723 		test_done "$testroot" "$ret"
1724 		return 1
1725 	fi
1726 
1727 	echo "modified alpha" > $testroot/content.expected
1728 	cat $testroot/wt/alpha > $testroot/content
1729 
1730 	cmp -s $testroot/content.expected $testroot/content
1731 	ret=$?
1732 	if [ $ret -ne 0 ]; then
1733 		diff -u $testroot/content.expected $testroot/content
1734 	fi
1735 	test_done "$testroot" "$ret"
1736 }
1737 
1738 test_update_toggles_xbit() {
1739 	local testroot=`test_init update_toggles_xbit 1`
1740 
1741 	touch $testroot/repo/xfile
1742 	chmod +x $testroot/repo/xfile
1743 	(cd $testroot/repo && git add .)
1744 	git_commit $testroot/repo -m "adding executable file"
1745 	local commit_id1=`git_show_head $testroot/repo`
1746 
1747 	got checkout $testroot/repo $testroot/wt > $testroot/stdout
1748 	ret=$?
1749 	if [ $ret -ne 0 ]; then
1750 		test_done "$testroot" "$ret"
1751 		return 1
1752 	fi
1753 
1754 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
1755 	ret=$?
1756 	if [ $ret -ne 0 ]; then
1757 		echo "file is not executable" >&2
1758 		ls -l $testroot/wt/xfile >&2
1759 		test_done "$testroot" "$ret"
1760 		return 1
1761 	fi
1762 
1763 	chmod -x $testroot/wt/xfile
1764 	(cd $testroot/wt && got commit -m "clear x bit" >/dev/null)
1765 	local commit_id2=`git_show_head $testroot/repo`
1766 
1767 	echo "U  xfile" > $testroot/stdout.expected
1768 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1769 	git_show_head $testroot/repo >> $testroot/stdout.expected
1770 	echo >> $testroot/stdout.expected
1771 
1772 	(cd $testroot/wt && got update -c $commit_id1 > $testroot/stdout)
1773 	ret=$?
1774 	if [ $ret -ne 0 ]; then
1775 		test_done "$testroot" "$ret"
1776 		return 1
1777 	fi
1778 
1779 	echo "U  xfile" > $testroot/stdout.expected
1780 	echo "Updated to refs/heads/master: $commit_id1" >> $testroot/stdout.expected
1781 	cmp -s $testroot/stdout.expected $testroot/stdout
1782 	ret=$?
1783 	if [ $ret -ne 0 ]; then
1784 		diff -u $testroot/stdout.expected $testroot/stdout
1785 		test_done "$testroot" "$ret"
1786 		return 1
1787 	fi
1788 
1789 
1790 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
1791 	ret=$?
1792 	if [ $ret -ne 0 ]; then
1793 		echo "file is not executable" >&2
1794 		ls -l $testroot/wt/xfile >&2
1795 		test_done "$testroot" "$ret"
1796 		return 1
1797 	fi
1798 
1799 	(cd $testroot/wt && got update > $testroot/stdout)
1800 	ret=$?
1801 	if [ $ret -ne 0 ]; then
1802 		test_done "$testroot" "$ret"
1803 		return 1
1804 	fi
1805 
1806 	echo "U  xfile" > $testroot/stdout.expected
1807 	echo "Updated to refs/heads/master: $commit_id2" \
1808 		>> $testroot/stdout.expected
1809 	cmp -s $testroot/stdout.expected $testroot/stdout
1810 	ret=$?
1811 	if [ $ret -ne 0 ]; then
1812 		diff -u $testroot/stdout.expected $testroot/stdout
1813 		test_done "$testroot" "$ret"
1814 		return 1
1815 	fi
1816 
1817 	ls -l $testroot/wt/xfile | grep -q '^-rw-'
1818 	ret=$?
1819 	if [ $ret -ne 0 ]; then
1820 		echo "file is unexpectedly executable" >&2
1821 		ls -l $testroot/wt/xfile >&2
1822 	fi
1823 	test_done "$testroot" "$ret"
1824 }
1825 
1826 test_update_preserves_conflicted_file() {
1827 	local testroot=`test_init update_preserves_conflicted_file`
1828 	local commit_id0=`git_show_head $testroot/repo`
1829 
1830 	echo "modified alpha" > $testroot/repo/alpha
1831 	git_commit $testroot/repo -m "modified alpha"
1832 	local commit_id1=`git_show_head $testroot/repo`
1833 
1834 	got checkout -c $commit_id0 $testroot/repo $testroot/wt > /dev/null
1835 	ret=$?
1836 	if [ $ret -ne 0 ]; then
1837 		test_done "$testroot" "$ret"
1838 		return 1
1839 	fi
1840 
1841 	# fake a merge conflict
1842 	echo '<<<<<<<' > $testroot/wt/alpha
1843 	echo 'alpha' >> $testroot/wt/alpha
1844 	echo '=======' >> $testroot/wt/alpha
1845 	echo 'alpha, too' >> $testroot/wt/alpha
1846 	echo '>>>>>>>' >> $testroot/wt/alpha
1847 	cp $testroot/wt/alpha $testroot/content.expected
1848 
1849 	echo "C  alpha" > $testroot/stdout.expected
1850 	(cd $testroot/wt && got status  > $testroot/stdout)
1851 	cmp -s $testroot/stdout.expected $testroot/stdout
1852 	ret=$?
1853 	if [ $ret -ne 0 ]; then
1854 		diff -u $testroot/stdout.expected $testroot/stdout
1855 		test_done "$testroot" "$ret"
1856 		return 1
1857 	fi
1858 
1859 	echo "#  alpha" > $testroot/stdout.expected
1860 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1861 	git_show_head $testroot/repo >> $testroot/stdout.expected
1862 	echo >> $testroot/stdout.expected
1863 	echo "Files not updated because of existing merge conflicts: 1" \
1864 		>> $testroot/stdout.expected
1865 	(cd $testroot/wt && got update > $testroot/stdout)
1866 
1867 	cmp -s $testroot/stdout.expected $testroot/stdout
1868 	ret=$?
1869 	if [ $ret -ne 0 ]; then
1870 		diff -u $testroot/stdout.expected $testroot/stdout
1871 		test_done "$testroot" "$ret"
1872 		return 1
1873 	fi
1874 
1875 	cmp -s $testroot/content.expected $testroot/wt/alpha
1876 	ret=$?
1877 	if [ $ret -ne 0 ]; then
1878 		diff -u $testroot/content.expected $testroot/wt/alpha
1879 	fi
1880 	test_done "$testroot" "$ret"
1881 }
1882 
1883 test_update_modified_submodules() {
1884 	local testroot=`test_init update_modified_submodules`
1885 
1886 	make_single_file_repo $testroot/repo2 foo
1887 
1888 	(cd $testroot/repo && git -c protocol.file.allow=always \
1889 		submodule -q add ../repo2)
1890 	(cd $testroot/repo && git commit -q -m 'adding submodule')
1891 
1892 	got checkout $testroot/repo $testroot/wt > /dev/null
1893 
1894 	echo "modified foo" > $testroot/repo2/foo
1895 	(cd $testroot/repo2 && git commit -q -a -m 'modified a submodule')
1896 
1897 	# Update the repo/repo2 submodule link
1898 	(cd $testroot/repo && git -C repo2 pull -q)
1899 	(cd $testroot/repo && git add repo2)
1900 	git_commit $testroot/repo -m "modified submodule link"
1901 
1902 	echo "Already up-to-date" > $testroot/stdout.expected
1903 	(cd $testroot/wt && got update > $testroot/stdout)
1904 
1905 	cmp -s $testroot/stdout.expected $testroot/stdout
1906 	ret=$?
1907 	if [ $ret -ne 0 ]; then
1908 		diff -u $testroot/stdout.expected $testroot/stdout
1909 	fi
1910 	test_done "$testroot" "$ret"
1911 }
1912 
1913 test_update_adds_submodule() {
1914 	local testroot=`test_init update_adds_submodule`
1915 
1916 	got checkout $testroot/repo $testroot/wt > /dev/null
1917 
1918 	make_single_file_repo $testroot/repo2 foo
1919 
1920 	echo "modified foo" > $testroot/repo2/foo
1921 	(cd $testroot/repo2 && git commit -q -a -m 'modified a submodule')
1922 
1923 	(cd $testroot/repo && git -c protocol.file.allow=always \
1924 		submodule -q add ../repo2)
1925 	(cd $testroot/repo && git commit -q -m 'adding submodule')
1926 
1927 	echo "A  .gitmodules" > $testroot/stdout.expected
1928 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1929 	git_show_head $testroot/repo >> $testroot/stdout.expected
1930 	echo >> $testroot/stdout.expected
1931 
1932 	(cd $testroot/wt && got update > $testroot/stdout)
1933 
1934 	cmp -s $testroot/stdout.expected $testroot/stdout
1935 	ret=$?
1936 	if [ $ret -ne 0 ]; then
1937 		diff -u $testroot/stdout.expected $testroot/stdout
1938 	fi
1939 	test_done "$testroot" "$ret"
1940 }
1941 
1942 test_update_conflict_wt_file_vs_repo_submodule() {
1943 	local testroot=`test_init update_conflict_wt_file_vs_repo_submodule`
1944 
1945 	got checkout $testroot/repo $testroot/wt > /dev/null
1946 
1947 	make_single_file_repo $testroot/repo2 foo
1948 
1949 	# Add a file which will clash with the submodule
1950 	echo "This is a file called repo2" > $testroot/wt/repo2
1951 	(cd $testroot/wt && got add repo2 > /dev/null)
1952 	(cd $testroot/wt && got commit -m 'add file repo2' > /dev/null)
1953 	ret=$?
1954 	if [ $ret -ne 0 ]; then
1955 		echo "commit failed unexpectedly" >&2
1956 		test_done "$testroot" "1"
1957 		return 1
1958 	fi
1959 
1960 	(cd $testroot/repo && git -c protocol.file.allow=always \
1961 		submodule -q add ../repo2)
1962 	(cd $testroot/repo && git commit -q -m 'adding submodule')
1963 
1964 	# Modify the clashing file such that any modifications brought
1965 	# in by 'got update' would require a merge.
1966 	echo "This file was changed" > $testroot/wt/repo2
1967 
1968 	# No conflict occurs because 'got update' ignores the submodule
1969 	# and leaves the clashing file as it was.
1970 	echo "A  .gitmodules" > $testroot/stdout.expected
1971 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1972 	git_show_head $testroot/repo >> $testroot/stdout.expected
1973 	echo >> $testroot/stdout.expected
1974 
1975 	(cd $testroot/wt && got update > $testroot/stdout)
1976 
1977 	cmp -s $testroot/stdout.expected $testroot/stdout
1978 	ret=$?
1979 	if [ $ret -ne 0 ]; then
1980 		diff -u $testroot/stdout.expected $testroot/stdout
1981 		test_done "$testroot" "$ret"
1982 		return 1
1983 	fi
1984 
1985 	(cd $testroot/wt && got status > $testroot/stdout)
1986 
1987 	echo "M  repo2" > $testroot/stdout.expected
1988 	cmp -s $testroot/stdout.expected $testroot/stdout
1989 	ret=$?
1990 	if [ $ret -ne 0 ]; then
1991 		diff -u $testroot/stdout.expected $testroot/stdout
1992 	fi
1993 	test_done "$testroot" "$ret"
1994 }
1995 
1996 test_update_adds_symlink() {
1997 	local testroot=`test_init update_adds_symlink`
1998 
1999 	got checkout $testroot/repo $testroot/wt > /dev/null
2000 	ret=$?
2001 	if [ $ret -ne 0 ]; then
2002 		echo "checkout failed unexpectedly" >&2
2003 		test_done "$testroot" "$ret"
2004 		return 1
2005 	fi
2006 
2007 	(cd $testroot/repo && ln -s alpha alpha.link)
2008 	(cd $testroot/repo && ln -s epsilon epsilon.link)
2009 	(cd $testroot/repo && ln -s /etc/passwd passwd.link)
2010 	(cd $testroot/repo && ln -s ../beta epsilon/beta.link)
2011 	(cd $testroot/repo && ln -s nonexistent nonexistent.link)
2012 	(cd $testroot/repo && git add .)
2013 	git_commit $testroot/repo -m "add symlinks"
2014 
2015 	echo "A  alpha.link" > $testroot/stdout.expected
2016 	echo "A  epsilon/beta.link" >> $testroot/stdout.expected
2017 	echo "A  epsilon.link" >> $testroot/stdout.expected
2018 	echo "A  nonexistent.link" >> $testroot/stdout.expected
2019 	echo "A  passwd.link" >> $testroot/stdout.expected
2020 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
2021 	git_show_head $testroot/repo >> $testroot/stdout.expected
2022 	echo >> $testroot/stdout.expected
2023 
2024 	(cd $testroot/wt && got update > $testroot/stdout)
2025 
2026 	cmp -s $testroot/stdout.expected $testroot/stdout
2027 	ret=$?
2028 	if [ $ret -ne 0 ]; then
2029 		diff -u $testroot/stdout.expected $testroot/stdout
2030 		test_done "$testroot" "$ret"
2031 		return 1
2032 	fi
2033 
2034 	if ! [ -h $testroot/wt/alpha.link ]; then
2035 		echo "alpha.link is not a symlink"
2036 		test_done "$testroot" "1"
2037 		return 1
2038 	fi
2039 
2040 	readlink $testroot/wt/alpha.link > $testroot/stdout
2041 	echo "alpha" > $testroot/stdout.expected
2042 	cmp -s $testroot/stdout.expected $testroot/stdout
2043 	ret=$?
2044 	if [ $ret -ne 0 ]; then
2045 		diff -u $testroot/stdout.expected $testroot/stdout
2046 		test_done "$testroot" "$ret"
2047 		return 1
2048 	fi
2049 
2050 	if ! [ -h $testroot/wt/epsilon.link ]; then
2051 		echo "epsilon.link is not a symlink"
2052 		test_done "$testroot" "1"
2053 		return 1
2054 	fi
2055 
2056 	readlink $testroot/wt/epsilon.link > $testroot/stdout
2057 	echo "epsilon" > $testroot/stdout.expected
2058 	cmp -s $testroot/stdout.expected $testroot/stdout
2059 	ret=$?
2060 	if [ $ret -ne 0 ]; then
2061 		diff -u $testroot/stdout.expected $testroot/stdout
2062 		test_done "$testroot" "$ret"
2063 		return 1
2064 	fi
2065 
2066 	if [ -h $testroot/wt/passwd.link ]; then
2067 		echo -n "passwd.link symlink points outside of work tree: " >&2
2068 		readlink $testroot/wt/passwd.link >&2
2069 		test_done "$testroot" "1"
2070 		return 1
2071 	fi
2072 
2073 	echo -n "/etc/passwd" > $testroot/content.expected
2074 	cp $testroot/wt/passwd.link $testroot/content
2075 
2076 	cmp -s $testroot/content.expected $testroot/content
2077 	ret=$?
2078 	if [ $ret -ne 0 ]; then
2079 		diff -u $testroot/content.expected $testroot/content
2080 		test_done "$testroot" "$ret"
2081 		return 1
2082 	fi
2083 
2084 	readlink $testroot/wt/epsilon/beta.link > $testroot/stdout
2085 	echo "../beta" > $testroot/stdout.expected
2086 	cmp -s $testroot/stdout.expected $testroot/stdout
2087 	ret=$?
2088 	if [ $ret -ne 0 ]; then
2089 		diff -u $testroot/stdout.expected $testroot/stdout
2090 		test_done "$testroot" "$ret"
2091 		return 1
2092 	fi
2093 
2094 	readlink $testroot/wt/nonexistent.link > $testroot/stdout
2095 	echo "nonexistent" > $testroot/stdout.expected
2096 	cmp -s $testroot/stdout.expected $testroot/stdout
2097 	ret=$?
2098 	if [ $ret -ne 0 ]; then
2099 		diff -u $testroot/stdout.expected $testroot/stdout
2100 		test_done "$testroot" "$ret"
2101 		return 1
2102 	fi
2103 
2104 	# Updating an up-to-date symlink should be a no-op.
2105 	echo 'Already up-to-date' > $testroot/stdout.expected
2106 	(cd $testroot/wt && got update > $testroot/stdout)
2107 	cmp -s $testroot/stdout.expected $testroot/stdout
2108 	ret=$?
2109 	if [ $ret -ne 0 ]; then
2110 		diff -u $testroot/stdout.expected $testroot/stdout
2111 	fi
2112 	test_done "$testroot" "$ret"
2113 }
2114 
2115 test_update_deletes_symlink() {
2116 	local testroot=`test_init update_deletes_symlink`
2117 
2118 	(cd $testroot/repo && ln -s alpha alpha.link)
2119 	(cd $testroot/repo && git add .)
2120 	git_commit $testroot/repo -m "add symlink"
2121 
2122 	got checkout $testroot/repo $testroot/wt > /dev/null
2123 	ret=$?
2124 	if [ $ret -ne 0 ]; then
2125 		echo "checkout failed unexpectedly" >&2
2126 		test_done "$testroot" "$ret"
2127 		return 1
2128 	fi
2129 
2130 	(cd $testroot/repo && git rm -q alpha.link)
2131 	git_commit $testroot/repo -m "delete symlink"
2132 
2133 	echo "D  alpha.link" > $testroot/stdout.expected
2134 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
2135 	git_show_head $testroot/repo >> $testroot/stdout.expected
2136 	echo >> $testroot/stdout.expected
2137 
2138 	(cd $testroot/wt && got update > $testroot/stdout)
2139 
2140 	cmp -s $testroot/stdout.expected $testroot/stdout
2141 	ret=$?
2142 	if [ $ret -ne 0 ]; then
2143 		diff -u $testroot/stdout.expected $testroot/stdout
2144 		test_done "$testroot" "$ret"
2145 		return 1
2146 	fi
2147 
2148 	if [ -e $testroot/wt/alpha.link ]; then
2149 		echo "alpha.link still exists on disk"
2150 		test_done "$testroot" "1"
2151 		return 1
2152 	fi
2153 
2154 	test_done "$testroot" "0"
2155 }
2156 
2157 test_update_symlink_conflicts() {
2158 	local testroot=`test_init update_symlink_conflicts`
2159 
2160 	(cd $testroot/repo && ln -s alpha alpha.link)
2161 	(cd $testroot/repo && ln -s epsilon epsilon.link)
2162 	(cd $testroot/repo && ln -s /etc/passwd passwd.link)
2163 	(cd $testroot/repo && ln -s ../beta epsilon/beta.link)
2164 	(cd $testroot/repo && ln -s nonexistent nonexistent.link)
2165 	(cd $testroot/repo && ln -sf epsilon/zeta zeta.link)
2166 	(cd $testroot/repo && git add .)
2167 	git_commit $testroot/repo -m "add symlinks"
2168 	local commit_id1=`git_show_head $testroot/repo`
2169 
2170 	got checkout $testroot/repo $testroot/wt > /dev/null
2171 	ret=$?
2172 	if [ $ret -ne 0 ]; then
2173 		echo "checkout failed unexpectedly" >&2
2174 		test_done "$testroot" "$ret"
2175 		return 1
2176 	fi
2177 
2178 	(cd $testroot/repo && ln -sf beta alpha.link)
2179 	(cd $testroot/repo && rm epsilon.link && ln -s gamma epsilon.link)
2180 	(cd $testroot/repo && ln -sf ../gamma/delta epsilon/beta.link)
2181 	echo 'this is regular file foo' > $testroot/repo/dotgotfoo.link
2182 	(cd $testroot/repo && ln -sf .got/bar dotgotbar.link)
2183 	(cd $testroot/repo && git rm -q nonexistent.link)
2184 	(cd $testroot/repo && ln -sf gamma/delta zeta.link)
2185 	(cd $testroot/repo && ln -sf alpha new.link)
2186 	(cd $testroot/repo && git add .)
2187 	git_commit $testroot/repo -m "change symlinks"
2188 	local commit_id2=`git_show_head $testroot/repo`
2189 
2190 	# modified symlink to file A vs modified symlink to file B
2191 	(cd $testroot/wt && ln -sf gamma/delta alpha.link)
2192 	# modified symlink to dir A vs modified symlink to file B
2193 	(cd $testroot/wt && rm epsilon.link && ln -s beta epsilon.link)
2194 	# modeified symlink to file A vs modified symlink to dir B
2195 	(cd $testroot/wt && rm epsilon/beta.link && ln -s ../gamma \
2196 		epsilon/beta.link)
2197 	# added regular file A vs added bad symlink to file A
2198 	(cd $testroot/wt && ln -sf .got/bar dotgotfoo.link)
2199 	(cd $testroot/wt && got add dotgotfoo.link > /dev/null)
2200 	# added bad symlink to file A vs added regular file A
2201 	echo 'this is regular file bar' > $testroot/wt/dotgotbar.link
2202 	(cd $testroot/wt && got add dotgotbar.link > /dev/null)
2203 	# removed symlink to non-existent file A vs modified symlink
2204 	# to nonexistent file B
2205 	(cd $testroot/wt && ln -sf nonexistent2 nonexistent.link)
2206 	# modified symlink to file A vs removed symlink to file A
2207 	(cd $testroot/wt && got rm zeta.link > /dev/null)
2208 	# added symlink to file A vs added symlink to file B
2209 	(cd $testroot/wt && ln -sf beta new.link)
2210 	(cd $testroot/wt && got add new.link > /dev/null)
2211 
2212 	(cd $testroot/wt && got update > $testroot/stdout)
2213 
2214 	echo "C  alpha.link" >> $testroot/stdout.expected
2215 	echo "C  dotgotbar.link" >> $testroot/stdout.expected
2216 	echo "C  dotgotfoo.link" >> $testroot/stdout.expected
2217 	echo "C  epsilon/beta.link" >> $testroot/stdout.expected
2218 	echo "C  epsilon.link" >> $testroot/stdout.expected
2219 	echo "C  new.link" >> $testroot/stdout.expected
2220 	echo "C  nonexistent.link" >> $testroot/stdout.expected
2221 	echo "G  zeta.link" >> $testroot/stdout.expected
2222 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
2223 	git_show_head $testroot/repo >> $testroot/stdout.expected
2224 	echo >> $testroot/stdout.expected
2225 	echo "Files with new merge conflicts: 7" >> $testroot/stdout.expected
2226 
2227 	cmp -s $testroot/stdout.expected $testroot/stdout
2228 	ret=$?
2229 	if [ $ret -ne 0 ]; then
2230 		diff -u $testroot/stdout.expected $testroot/stdout
2231 		test_done "$testroot" "$ret"
2232 		return 1
2233 	fi
2234 
2235 	if [ -h $testroot/wt/alpha.link ]; then
2236 		echo "alpha.link is a symlink"
2237 		test_done "$testroot" "1"
2238 		return 1
2239 	fi
2240 
2241 	echo "<<<<<<< merged change: commit $commit_id2" \
2242 		> $testroot/content.expected
2243 	echo "beta" >> $testroot/content.expected
2244 	echo "3-way merge base: commit $commit_id1" \
2245 		>> $testroot/content.expected
2246 	echo "alpha" >> $testroot/content.expected
2247 	echo "=======" >> $testroot/content.expected
2248 	echo "gamma/delta" >> $testroot/content.expected
2249 	echo '>>>>>>>' >> $testroot/content.expected
2250 	echo -n "" >> $testroot/content.expected
2251 
2252 	cp $testroot/wt/alpha.link $testroot/content
2253 	cmp -s $testroot/content.expected $testroot/content
2254 	ret=$?
2255 	if [ $ret -ne 0 ]; then
2256 		diff -u $testroot/content.expected $testroot/content
2257 		test_done "$testroot" "$ret"
2258 		return 1
2259 	fi
2260 
2261 	if [ -h $testroot/wt/epsilon.link ]; then
2262 		echo "epsilon.link is a symlink"
2263 		test_done "$testroot" "1"
2264 		return 1
2265 	fi
2266 
2267 	echo "<<<<<<< merged change: commit $commit_id2" \
2268 		> $testroot/content.expected
2269 	echo "gamma" >> $testroot/content.expected
2270 	echo "3-way merge base: commit $commit_id1" \
2271 		>> $testroot/content.expected
2272 	echo "epsilon" >> $testroot/content.expected
2273 	echo "=======" >> $testroot/content.expected
2274 	echo "beta" >> $testroot/content.expected
2275 	echo '>>>>>>>' >> $testroot/content.expected
2276 	echo -n "" >> $testroot/content.expected
2277 
2278 	cp $testroot/wt/epsilon.link $testroot/content
2279 	cmp -s $testroot/content.expected $testroot/content
2280 	ret=$?
2281 	if [ $ret -ne 0 ]; then
2282 		diff -u $testroot/content.expected $testroot/content
2283 		test_done "$testroot" "$ret"
2284 		return 1
2285 	fi
2286 
2287 	if [ -h $testroot/wt/passwd.link ]; then
2288 		echo -n "passwd.link symlink points outside of work tree: " >&2
2289 		readlink $testroot/wt/passwd.link >&2
2290 		test_done "$testroot" "1"
2291 		return 1
2292 	fi
2293 
2294 	echo -n "/etc/passwd" > $testroot/content.expected
2295 	cp $testroot/wt/passwd.link $testroot/content
2296 
2297 	cmp -s $testroot/content.expected $testroot/content
2298 	ret=$?
2299 	if [ $ret -ne 0 ]; then
2300 		diff -u $testroot/content.expected $testroot/content
2301 		test_done "$testroot" "$ret"
2302 		return 1
2303 	fi
2304 
2305 	if [ -h $testroot/wt/epsilon/beta.link ]; then
2306 		echo "epsilon/beta.link is a symlink"
2307 		test_done "$testroot" "1"
2308 		return 1
2309 	fi
2310 
2311 	echo "<<<<<<< merged change: commit $commit_id2" \
2312 		> $testroot/content.expected
2313 	echo "../gamma/delta" >> $testroot/content.expected
2314 	echo "3-way merge base: commit $commit_id1" \
2315 		>> $testroot/content.expected
2316 	echo "../beta" >> $testroot/content.expected
2317 	echo "=======" >> $testroot/content.expected
2318 	echo "../gamma" >> $testroot/content.expected
2319 	echo '>>>>>>>' >> $testroot/content.expected
2320 	echo -n "" >> $testroot/content.expected
2321 
2322 	cp $testroot/wt/epsilon/beta.link $testroot/content
2323 	cmp -s $testroot/content.expected $testroot/content
2324 	ret=$?
2325 	if [ $ret -ne 0 ]; then
2326 		diff -u $testroot/content.expected $testroot/content
2327 		test_done "$testroot" "$ret"
2328 		return 1
2329 	fi
2330 
2331 	if [ -h $testroot/wt/nonexistent.link ]; then
2332 		echo -n "nonexistent.link still exists on disk: " >&2
2333 		readlink $testroot/wt/nonexistent.link >&2
2334 		test_done "$testroot" "1"
2335 		return 1
2336 	fi
2337 
2338 	echo "<<<<<<< merged change: commit $commit_id2" \
2339 		> $testroot/content.expected
2340 	echo "(symlink was deleted)" >> $testroot/content.expected
2341 	echo "=======" >> $testroot/content.expected
2342 	echo "nonexistent2" >> $testroot/content.expected
2343 	echo '>>>>>>>' >> $testroot/content.expected
2344 	echo -n "" >> $testroot/content.expected
2345 
2346 	cp $testroot/wt/nonexistent.link $testroot/content
2347 	cmp -s $testroot/content.expected $testroot/content
2348 	ret=$?
2349 	if [ $ret -ne 0 ]; then
2350 		diff -u $testroot/content.expected $testroot/content
2351 		test_done "$testroot" "$ret"
2352 		return 1
2353 	fi
2354 
2355 	if [ -h $testroot/wt/dotgotfoo.link ]; then
2356 		echo "dotgotfoo.link is a symlink"
2357 		test_done "$testroot" "1"
2358 		return 1
2359 	fi
2360 
2361 	echo "<<<<<<< merged change: commit $commit_id2" \
2362 		> $testroot/content.expected
2363 	echo "this is regular file foo" >> $testroot/content.expected
2364 	echo "=======" >> $testroot/content.expected
2365 	echo -n ".got/bar" >> $testroot/content.expected
2366 	echo '>>>>>>>' >> $testroot/content.expected
2367 	echo -n "" >> $testroot/content.expected
2368 
2369 	cp $testroot/wt/dotgotfoo.link $testroot/content
2370 	cmp -s $testroot/content.expected $testroot/content
2371 	ret=$?
2372 	if [ $ret -ne 0 ]; then
2373 		diff -u $testroot/content.expected $testroot/content
2374 		test_done "$testroot" "$ret"
2375 		return 1
2376 	fi
2377 
2378 	if [ -h $testroot/wt/dotgotbar.link ]; then
2379 		echo "dotgotbar.link is a symlink"
2380 		test_done "$testroot" "1"
2381 		return 1
2382 	fi
2383 	echo "<<<<<<< merged change: commit $commit_id2" \
2384 		> $testroot/content.expected
2385 	echo -n ".got/bar" >> $testroot/content.expected
2386 	echo "=======" >> $testroot/content.expected
2387 	echo "this is regular file bar" >> $testroot/content.expected
2388 	echo '>>>>>>>' >> $testroot/content.expected
2389 	echo -n "" >> $testroot/content.expected
2390 
2391 	cp $testroot/wt/dotgotbar.link $testroot/content
2392 	cmp -s $testroot/content.expected $testroot/content
2393 	ret=$?
2394 	if [ $ret -ne 0 ]; then
2395 		diff -u $testroot/content.expected $testroot/content
2396 		test_done "$testroot" "$ret"
2397 		return 1
2398 	fi
2399 
2400 	if [ -h $testroot/wt/new.link ]; then
2401 		echo "new.link is a symlink"
2402 		test_done "$testroot" "1"
2403 		return 1
2404 	fi
2405 
2406 	echo "<<<<<<< merged change: commit $commit_id2" \
2407 		> $testroot/content.expected
2408 	echo "alpha" >> $testroot/content.expected
2409 	echo "=======" >> $testroot/content.expected
2410 	echo "beta" >> $testroot/content.expected
2411 	echo '>>>>>>>' >> $testroot/content.expected
2412 	echo -n "" >> $testroot/content.expected
2413 
2414 	cp $testroot/wt/new.link $testroot/content
2415 	cmp -s $testroot/content.expected $testroot/content
2416 	ret=$?
2417 	if [ $ret -ne 0 ]; then
2418 		diff -u $testroot/content.expected $testroot/content
2419 		test_done "$testroot" "$ret"
2420 		return 1
2421 	fi
2422 
2423 	echo "A  dotgotfoo.link" > $testroot/stdout.expected
2424 	echo "M  new.link" >> $testroot/stdout.expected
2425 	echo "D  nonexistent.link" >> $testroot/stdout.expected
2426 	(cd $testroot/wt && got status > $testroot/stdout)
2427 	ret=$?
2428 	if [ $ret -ne 0 ]; then
2429 		diff -u $testroot/stdout.expected $testroot/stdout
2430 		test_done "$testroot" "$ret"
2431 		return 1
2432 	fi
2433 
2434 	test_done "$testroot" "0"
2435 
2436 }
2437 
2438 test_update_single_file() {
2439 	local testroot=`test_init update_single_file 1`
2440 
2441 	echo c1 > $testroot/repo/c
2442 	(cd $testroot/repo && git add .)
2443 	git_commit $testroot/repo -m "adding file c"
2444 	local commit_id1=`git_show_head $testroot/repo`
2445 
2446 	echo a > $testroot/repo/a
2447 	echo b > $testroot/repo/b
2448 	echo c2 > $testroot/repo/c
2449 	(cd $testroot/repo && git add .)
2450 	git_commit $testroot/repo -m "add files a and b, change c"
2451 	local commit_id2=`git_show_head $testroot/repo`
2452 
2453 	(cd $testroot/repo && git rm -qf c)
2454 	git_commit $testroot/repo -m "remove file c"
2455 	local commit_id3=`git_show_head $testroot/repo`
2456 
2457 	got checkout -c $commit_id2 $testroot/repo $testroot/wt > /dev/null
2458 	ret=$?
2459 	if [ $ret -ne 0 ]; then
2460 		test_done "$testroot" "$ret"
2461 		return 1
2462 	fi
2463 
2464 	echo "U  c" > $testroot/stdout.expected
2465 	echo "Updated to refs/heads/master: $commit_id1" \
2466 		>> $testroot/stdout.expected
2467 
2468 	(cd $testroot/wt && got update -c $commit_id1 c \
2469 		> $testroot/stdout)
2470 
2471 	cmp -s $testroot/stdout.expected $testroot/stdout
2472 	ret=$?
2473 	if [ $ret -ne 0 ]; then
2474 		diff -u $testroot/stdout.expected $testroot/stdout
2475 		test_done "$testroot" "$ret"
2476 		return 1
2477 	fi
2478 
2479 	echo c1 > $testroot/content.expected
2480 	cat $testroot/wt/c > $testroot/content
2481 
2482 	cmp -s $testroot/content.expected $testroot/content
2483 	ret=$?
2484 	if [ $ret -ne 0 ]; then
2485 		diff -u $testroot/content.expected $testroot/content
2486 		test_done "$testroot" "$ret"
2487 		return 1
2488 	fi
2489 
2490 	echo "U  c" > $testroot/stdout.expected
2491 	echo "Updated to refs/heads/master: $commit_id2" \
2492 		>> $testroot/stdout.expected
2493 
2494 	(cd $testroot/wt && got update -c $commit_id2 c > $testroot/stdout)
2495 
2496 	cmp -s $testroot/stdout.expected $testroot/stdout
2497 	ret=$?
2498 	if [ $ret -ne 0 ]; then
2499 		diff -u $testroot/stdout.expected $testroot/stdout
2500 		test_done "$testroot" "$ret"
2501 		return 1
2502 	fi
2503 
2504 	echo c2 > $testroot/content.expected
2505 	cat $testroot/wt/c > $testroot/content
2506 
2507 	cmp -s $testroot/content.expected $testroot/content
2508 	ret=$?
2509 	if [ $ret -ne 0 ]; then
2510 		diff -u $testroot/content.expected $testroot/content
2511 		test_done "$testroot" "$ret"
2512 		return 1
2513 	fi
2514 
2515 	echo "D  c" > $testroot/stdout.expected
2516 	echo "Updated to refs/heads/master: $commit_id3" \
2517 		>> $testroot/stdout.expected
2518 
2519 	(cd $testroot/wt && got update -c $commit_id3 c \
2520 		> $testroot/stdout 2> $testroot/stderr)
2521 
2522 	echo "got: /c: no such entry found in tree" > $testroot/stderr.expected
2523 	cmp -s $testroot/stderr.expected $testroot/stderr
2524 	ret=$?
2525 	if [ $ret -ne 0 ]; then
2526 		diff -u $testroot/stderr.expected $testroot/stderr
2527 		test_done "$testroot" "$ret"
2528 		return 1
2529 	fi
2530 
2531 	echo -n > $testroot/stdout.expected
2532 	cmp -s $testroot/stdout.expected $testroot/stdout
2533 	ret=$?
2534 	if [ $ret -ne 0 ]; then
2535 		diff -u $testroot/stdout.expected $testroot/stdout
2536 		test_done "$testroot" "$ret"
2537 		return 1
2538 	fi
2539 
2540 	echo "D  c" > $testroot/stdout.expected
2541 	echo "Updated to refs/heads/master: $commit_id3" \
2542 		>> $testroot/stdout.expected
2543 
2544 	(cd $testroot/wt && got update -c $commit_id3 > $testroot/stdout)
2545 	cmp -s $testroot/stdout.expected $testroot/stdout
2546 	ret=$?
2547 	if [ $ret -ne 0 ]; then
2548 		diff -u $testroot/stdout.expected $testroot/stdout
2549 		test_done "$testroot" "$ret"
2550 		return 1
2551 	fi
2552 
2553 	if [ -e $testroot/wt/c ]; then
2554 		echo "removed file c still exists on disk" >&2
2555 		test_done "$testroot" "1"
2556 		return 1
2557 	fi
2558 
2559 	test_done "$testroot" "0"
2560 	return 0
2561 }
2562 
2563 test_update_file_skipped_due_to_conflict() {
2564 	local testroot=`test_init update_file_skipped_due_to_conflict`
2565 	local commit_id0=`git_show_head $testroot/repo`
2566 	blob_id0=`get_blob_id $testroot/repo "" beta`
2567 
2568 	echo "changed beta" > $testroot/repo/beta
2569 	git_commit $testroot/repo -m "changed beta"
2570 	local commit_id1=`git_show_head $testroot/repo`
2571 	blob_id1=`get_blob_id $testroot/repo "" beta`
2572 
2573 	got checkout $testroot/repo $testroot/wt > /dev/null
2574 	ret=$?
2575 	if [ $ret -ne 0 ]; then
2576 		test_done "$testroot" "$ret"
2577 		return 1
2578 	fi
2579 
2580 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2581 		cut -d ':' -f 2 | tr -d ' ')`
2582 	if [ "$blob_id" != "$blob_id1" ]; then
2583 		echo "file beta has the wrong base blob ID" >&2
2584 		test_done "$testroot" "1"
2585 		return 1
2586 	fi
2587 
2588 	commit_id=`(cd $testroot/wt && got info beta | \
2589 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2590 	if [ "$commit_id" != "$commit_id1" ]; then
2591 		echo "file beta has the wrong base commit ID" >&2
2592 		test_done "$testroot" "1"
2593 		return 1
2594 	fi
2595 
2596 	echo "modified beta" > $testroot/wt/beta
2597 
2598 	(cd $testroot/wt && got update -c $commit_id0 > $testroot/stdout)
2599 
2600 	echo "C  beta" > $testroot/stdout.expected
2601 	echo "Updated to refs/heads/master: $commit_id0" \
2602 		>> $testroot/stdout.expected
2603 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
2604 	cmp -s $testroot/stdout.expected $testroot/stdout
2605 	ret=$?
2606 	if [ $ret -ne 0 ]; then
2607 		diff -u $testroot/stdout.expected $testroot/stdout
2608 		test_done "$testroot" "$ret"
2609 		return 1
2610 	fi
2611 
2612 	echo "<<<<<<< merged change: commit $commit_id0" \
2613 		> $testroot/content.expected
2614 	echo "beta" >> $testroot/content.expected
2615 	echo "||||||| 3-way merge base: commit $commit_id1" \
2616 		>> $testroot/content.expected
2617 	echo "changed beta" >> $testroot/content.expected
2618 	echo "=======" >> $testroot/content.expected
2619 	echo "modified beta" >> $testroot/content.expected
2620 	echo ">>>>>>>" >> $testroot/content.expected
2621 
2622 	cat $testroot/wt/beta > $testroot/content
2623 
2624 	cmp -s $testroot/content.expected $testroot/content
2625 	ret=$?
2626 	if [ $ret -ne 0 ]; then
2627 		diff -u $testroot/content.expected $testroot/content
2628 		test_done "$testroot" "$ret"
2629 		return 1
2630 	fi
2631 
2632 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2633 		cut -d ':' -f 2 | tr -d ' ')`
2634 	if [ "$blob_id" != "$blob_id0" ]; then
2635 		echo "file beta has the wrong base blob ID" >&2
2636 		test_done "$testroot" "1"
2637 		return 1
2638 	fi
2639 
2640 	commit_id=`(cd $testroot/wt && got info beta | \
2641 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2642 	if [ "$commit_id" != "$commit_id0" ]; then
2643 		echo "file beta has the wrong base commit ID" >&2
2644 		test_done "$testroot" "1"
2645 		return 1
2646 	fi
2647 
2648 	# update to the latest commit again; this skips beta
2649 	(cd $testroot/wt && got update > $testroot/stdout)
2650 	echo "#  beta" > $testroot/stdout.expected
2651 	echo "Updated to refs/heads/master: $commit_id1" \
2652 		>> $testroot/stdout.expected
2653 	echo "Files not updated because of existing merge conflicts: 1" \
2654 		>> $testroot/stdout.expected
2655 	cmp -s $testroot/stdout.expected $testroot/stdout
2656 	ret=$?
2657 	if [ $ret -ne 0 ]; then
2658 		diff -u $testroot/stdout.expected $testroot/stdout
2659 		test_done "$testroot" "$ret"
2660 		return 1
2661 	fi
2662 
2663 	# blob ID of beta should not have changed
2664 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2665 		cut -d ':' -f 2 | tr -d ' ')`
2666 	if [ "$blob_id" != "$blob_id0" ]; then
2667 		echo "file beta has the wrong base blob ID" >&2
2668 		test_done "$testroot" "1"
2669 		return 1
2670 	fi
2671 
2672 	# commit ID of beta should not have changed; There was a bug
2673 	# here where the commit ID had been changed even though the
2674 	# file was not updated.
2675 	commit_id=`(cd $testroot/wt && got info beta | \
2676 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2677 	if [ "$commit_id" != "$commit_id0" ]; then
2678 		echo "file beta has the wrong base commit ID: $commit_id" >&2
2679 		test_done "$testroot" "1"
2680 		return 1
2681 	fi
2682 
2683 	# beta is still conflicted and based on commit 0
2684 	echo 'C  beta' > $testroot/stdout.expected
2685 	(cd $testroot/wt && got status > $testroot/stdout)
2686 	cmp -s $testroot/stdout.expected $testroot/stdout
2687 	ret=$?
2688 	if [ $ret -ne 0 ]; then
2689 		diff -u $testroot/stdout.expected $testroot/stdout
2690 		test_done "$testroot" "$ret"
2691 		return 1
2692 	fi
2693 
2694 	# resolve the conflict via revert
2695 	(cd $testroot/wt && got revert beta >/dev/null)
2696 
2697 	# beta now matches its base blob which is still from commit 0
2698 	echo "beta" > $testroot/content.expected
2699 	cat $testroot/wt/beta > $testroot/content
2700 	cmp -s $testroot/content.expected $testroot/content
2701 	ret=$?
2702 	if [ $ret -ne 0 ]; then
2703 		diff -u $testroot/content.expected $testroot/content
2704 		test_done "$testroot" "$ret"
2705 		return 1
2706 	fi
2707 
2708 	# updating to the latest commit should now update beta
2709 	(cd $testroot/wt && got update > $testroot/stdout)
2710 	echo "U  beta" > $testroot/stdout.expected
2711 	echo "Updated to refs/heads/master: $commit_id1" \
2712 		>> $testroot/stdout.expected
2713 	cmp -s $testroot/stdout.expected $testroot/stdout
2714 	ret=$?
2715 	if [ $ret -ne 0 ]; then
2716 		diff -u $testroot/stdout.expected $testroot/stdout
2717 		test_done "$testroot" "$ret"
2718 		return 1
2719 	fi
2720 
2721 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2722 		cut -d ':' -f 2 | tr -d ' ')`
2723 	if [ "$blob_id" != "$blob_id1" ]; then
2724 		echo "file beta has the wrong base blob ID" >&2
2725 		test_done "$testroot" "1"
2726 		return 1
2727 	fi
2728 
2729 	commit_id=`(cd $testroot/wt && got info beta | \
2730 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2731 	if [ "$commit_id" != "$commit_id1" ]; then
2732 		echo "file beta has the wrong base commit ID: $commit_id" >&2
2733 		test_done "$testroot" "1"
2734 		return 1
2735 	fi
2736 
2737 	echo "changed beta" > $testroot/content.expected
2738 	cat $testroot/wt/beta > $testroot/content
2739 	cmp -s $testroot/content.expected $testroot/content
2740 	ret=$?
2741 	if [ $ret -ne 0 ]; then
2742 		diff -u $testroot/content.expected $testroot/content
2743 	fi
2744 	test_done "$testroot" "$ret"
2745 }
2746 
2747 test_update_file_skipped_due_to_obstruction() {
2748 	local testroot=`test_init update_file_skipped_due_to_obstruction`
2749 	local commit_id0=`git_show_head $testroot/repo`
2750 	blob_id0=`get_blob_id $testroot/repo "" beta`
2751 
2752 	echo "changed beta" > $testroot/repo/beta
2753 	echo "new file" > $testroot/repo/new
2754 	(cd $testroot/repo && git add new)
2755 	git_commit $testroot/repo -m "changed beta"
2756 	local commit_id1=`git_show_head $testroot/repo`
2757 	blob_id1=`get_blob_id $testroot/repo "" beta`
2758 
2759 	got checkout -c $commit_id0 $testroot/repo $testroot/wt > /dev/null
2760 	ret=$?
2761 	if [ $ret -ne 0 ]; then
2762 		test_done "$testroot" "$ret"
2763 		return 1
2764 	fi
2765 
2766 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2767 		cut -d ':' -f 2 | tr -d ' ')`
2768 	if [ "$blob_id" != "$blob_id0" ]; then
2769 		echo "file beta has the wrong base blob ID" >&2
2770 		test_done "$testroot" "1"
2771 		return 1
2772 	fi
2773 
2774 	commit_id=`(cd $testroot/wt && got info beta | \
2775 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2776 	if [ "$commit_id" != "$commit_id0" ]; then
2777 		echo "file beta has the wrong base commit ID" >&2
2778 		test_done "$testroot" "1"
2779 		return 1
2780 	fi
2781 
2782 	rm $testroot/wt/beta
2783 	mkdir -p $testroot/wt/beta/psi
2784 	mkdir -p $testroot/wt/new
2785 
2786 	# update to the latest commit; this skips beta and the new file
2787 	(cd $testroot/wt && got update > $testroot/stdout)
2788 	ret=$?
2789 	if [ $ret -ne 0 ]; then
2790 		echo "update failed unexpectedly" >&2
2791 		test_done "$testroot" "1"
2792 		return 1
2793 	fi
2794 
2795 	echo "~  beta" > $testroot/stdout.expected
2796 	echo "~  new" >> $testroot/stdout.expected
2797 	echo "Updated to refs/heads/master: $commit_id1" \
2798 		>> $testroot/stdout.expected
2799 	echo "File paths obstructed by a non-regular file: 2" \
2800 		>> $testroot/stdout.expected
2801 	cmp -s $testroot/stdout.expected $testroot/stdout
2802 	ret=$?
2803 	if [ $ret -ne 0 ]; then
2804 		diff -u $testroot/stdout.expected $testroot/stdout
2805 		test_done "$testroot" "$ret"
2806 		return 1
2807 	fi
2808 
2809 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2810 		cut -d ':' -f 2 | tr -d ' ')`
2811 	if [ "$blob_id" != "$blob_id0" ]; then
2812 		echo "file beta has the wrong base blob ID" >&2
2813 		test_done "$testroot" "1"
2814 		return 1
2815 	fi
2816 
2817 	commit_id=`(cd $testroot/wt && got info beta | \
2818 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2819 	if [ "$commit_id" != "$commit_id0" ]; then
2820 		echo "file beta has the wrong base commit ID" >&2
2821 		test_done "$testroot" "1"
2822 		return 1
2823 	fi
2824 
2825 	# remove the directory which obstructs file beta
2826 	rm -r $testroot/wt/beta
2827 
2828 	# updating to the latest commit should now update beta
2829 	(cd $testroot/wt && got update > $testroot/stdout)
2830 	echo "!  beta" > $testroot/stdout.expected
2831 	echo "~  new" >> $testroot/stdout.expected
2832 	echo "Updated to refs/heads/master: $commit_id1" \
2833 		>> $testroot/stdout.expected
2834 	echo "File paths obstructed by a non-regular file: 1" \
2835 		>> $testroot/stdout.expected
2836 	cmp -s $testroot/stdout.expected $testroot/stdout
2837 	ret=$?
2838 	if [ $ret -ne 0 ]; then
2839 		diff -u $testroot/stdout.expected $testroot/stdout
2840 		test_done "$testroot" "$ret"
2841 		return 1
2842 	fi
2843 
2844 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2845 		cut -d ':' -f 2 | tr -d ' ')`
2846 	if [ "$blob_id" != "$blob_id1" ]; then
2847 		echo "file beta has the wrong base blob ID" >&2
2848 		test_done "$testroot" "1"
2849 		return 1
2850 	fi
2851 
2852 	commit_id=`(cd $testroot/wt && got info beta | \
2853 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2854 	if [ "$commit_id" != "$commit_id1" ]; then
2855 		echo "file beta has the wrong base commit ID: $commit_id" >&2
2856 		test_done "$testroot" "1"
2857 		return 1
2858 	fi
2859 
2860 	echo "changed beta" > $testroot/content.expected
2861 	cat $testroot/wt/beta > $testroot/content
2862 	cmp -s $testroot/content.expected $testroot/content
2863 	ret=$?
2864 	if [ $ret -ne 0 ]; then
2865 		diff -u $testroot/content.expected $testroot/content
2866 	fi
2867 	test_done "$testroot" "$ret"
2868 }
2869 
2870 test_update_quiet() {
2871 	local testroot=`test_init update_quiet`
2872 
2873 	got checkout $testroot/repo $testroot/wt > /dev/null
2874 	ret=$?
2875 	if [ $ret -ne 0 ]; then
2876 		test_done "$testroot" "$ret"
2877 		return 1
2878 	fi
2879 
2880 	echo "modified alpha" > $testroot/repo/alpha
2881 	git_commit $testroot/repo -m "modified alpha"
2882 
2883 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
2884 	git_show_head $testroot/repo >> $testroot/stdout.expected
2885 	echo >> $testroot/stdout.expected
2886 
2887 	(cd $testroot/wt && got update -q > $testroot/stdout)
2888 
2889 	cmp -s $testroot/stdout.expected $testroot/stdout
2890 	ret=$?
2891 	if [ $ret -ne 0 ]; then
2892 		diff -u $testroot/stdout.expected $testroot/stdout
2893 		test_done "$testroot" "$ret"
2894 		return 1
2895 	fi
2896 
2897 	echo "modified alpha" > $testroot/content.expected
2898 	cat $testroot/wt/alpha > $testroot/content
2899 
2900 	cmp -s $testroot/content.expected $testroot/content
2901 	ret=$?
2902 	if [ $ret -ne 0 ]; then
2903 		diff -u $testroot/content.expected $testroot/content
2904 	fi
2905 	test_done "$testroot" "$ret"
2906 }
2907 
2908 test_update_binary_file() {
2909 	local testroot=`test_init update_binary_file`
2910 	local commit_id0=`git_show_head $testroot/repo`
2911 
2912 	got checkout $testroot/repo $testroot/wt > /dev/null
2913 	ret=$?
2914 	if [ $ret -ne 0 ]; then
2915 		test_done "$testroot" "$ret"
2916 		return 1
2917 	fi
2918 
2919 	cp /bin/ls $testroot/wt/foo
2920 	chmod 755 $testroot/wt/foo
2921 	(cd $testroot/wt && got add foo >/dev/null)
2922 	(cd $testroot/wt && got commit -m 'add binary file' > /dev/null)
2923 	local commit_id1=`git_show_head $testroot/repo`
2924 
2925 	cp /bin/cat $testroot/wt/foo
2926 	chmod 755 $testroot/wt/foo
2927 	(cd $testroot/wt && got commit -m 'change binary file' > /dev/null)
2928 	local commit_id2=`git_show_head $testroot/repo`
2929 
2930 	cp /bin/cp $testroot/wt/foo
2931 	chmod 755 $testroot/wt/foo
2932 	(cd $testroot/wt && got commit -m 'change binary file' > /dev/null)
2933 	local commit_id3=`git_show_head $testroot/repo`
2934 
2935 	(cd $testroot/wt && got rm foo >/dev/null)
2936 	(cd $testroot/wt && got commit -m 'remove binary file' > /dev/null)
2937 	local commit_id4=`git_show_head $testroot/repo`
2938 
2939 	# backdate the work tree to make it usable for updating
2940 	(cd $testroot/wt && got up -c $commit_id0 > /dev/null)
2941 
2942 	# update which adds a binary file
2943 	(cd $testroot/wt && got up -c $commit_id1 > $testroot/stdout)
2944 
2945 	echo "A  foo" > $testroot/stdout.expected
2946 	echo -n "Updated to refs/heads/master: $commit_id1" \
2947 		>> $testroot/stdout.expected
2948 	echo >> $testroot/stdout.expected
2949 	cmp -s $testroot/stdout.expected $testroot/stdout
2950 	ret=$?
2951 	if [ $ret -ne 0 ]; then
2952 		diff -u $testroot/stdout.expected $testroot/stdout
2953 		test_done "$testroot" "$ret"
2954 		return 1
2955 	fi
2956 
2957 	cp /bin/ls $testroot/content.expected
2958 	chmod 755 $testroot/content.expected
2959 	cat $testroot/wt/foo > $testroot/content
2960 
2961 	cmp -s $testroot/content.expected $testroot/content
2962 	ret=$?
2963 	if [ $ret -ne 0 ]; then
2964 		diff -u $testroot/content.expected $testroot/content
2965 		test_done "$testroot" "$ret"
2966 		return 1
2967 	fi
2968 
2969 	# update which adds a conflicting binary file
2970 	(cd $testroot/wt && got up -c $commit_id0 > /dev/null)
2971 	cp /bin/cat $testroot/wt/foo
2972 	chmod 755 $testroot/wt/foo
2973 	(cd $testroot/wt && got add foo > /dev/null)
2974 	(cd $testroot/wt && got up -c $commit_id1 > $testroot/stdout)
2975 
2976 	echo "C  foo" > $testroot/stdout.expected
2977 	echo "Updated to refs/heads/master: $commit_id1" \
2978 		>> $testroot/stdout.expected
2979 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
2980 	cmp -s $testroot/stdout.expected $testroot/stdout
2981 	ret=$?
2982 	if [ $ret -ne 0 ]; then
2983 		diff -u $testroot/stdout.expected $testroot/stdout
2984 		test_done "$testroot" "$ret"
2985 		return 1
2986 	fi
2987 
2988 	echo "Binary files differ and cannot be merged automatically:" \
2989 		> $testroot/content.expected
2990 	echo "<<<<<<< merged change: commit $commit_id1" \
2991 		>> $testroot/content.expected
2992 	echo -n "file " >> $testroot/content.expected
2993 	ls $testroot/wt/foo-1-* >> $testroot/content.expected
2994 	echo '=======' >> $testroot/content.expected
2995 	echo -n "file " >> $testroot/content.expected
2996 	ls $testroot/wt/foo-2-* >> $testroot/content.expected
2997 	echo ">>>>>>>" >> $testroot/content.expected
2998 	cat $testroot/wt/foo > $testroot/content
2999 
3000 	cmp -s $testroot/content.expected $testroot/content
3001 	ret=$?
3002 	if [ $ret -ne 0 ]; then
3003 		diff -u $testroot/content.expected $testroot/content
3004 		test_done "$testroot" "$ret"
3005 		return 1
3006 	fi
3007 
3008 	cp /bin/ls $testroot/content.expected
3009 	chmod 755 $testroot/content.expected
3010 	cat $testroot/wt/foo-1-* > $testroot/content
3011 
3012 	cmp -s $testroot/content.expected $testroot/content
3013 	ret=$?
3014 	if [ $ret -ne 0 ]; then
3015 		diff -u $testroot/content.expected $testroot/content
3016 		test_done "$testroot" "$ret"
3017 		return 1
3018 	fi
3019 
3020 	cp /bin/cat $testroot/content.expected
3021 	chmod 755 $testroot/content.expected
3022 	cat $testroot/wt/foo-2-* > $testroot/content
3023 
3024 	cmp -s $testroot/content.expected $testroot/content
3025 	ret=$?
3026 	if [ $ret -ne 0 ]; then
3027 		diff -u $testroot/content.expected $testroot/content
3028 		test_done "$testroot" "$ret"
3029 		return 1
3030 	fi
3031 
3032 	# tidy up
3033 	(cd $testroot/wt && got revert -R . >/dev/null)
3034 	rm $testroot/wt/foo-1-* $testroot/wt/foo-2-*
3035 	(cd $testroot/wt && got up -c $commit_id1 > /dev/null)
3036 
3037 	# update which changes a binary file
3038 	(cd $testroot/wt && got up -c $commit_id2 > $testroot/stdout)
3039 
3040 	echo "U  foo" > $testroot/stdout.expected
3041 	echo -n "Updated to refs/heads/master: $commit_id2" \
3042 		>> $testroot/stdout.expected
3043 	echo >> $testroot/stdout.expected
3044 	cmp -s $testroot/stdout.expected $testroot/stdout
3045 	ret=$?
3046 	if [ $ret -ne 0 ]; then
3047 		diff -u $testroot/stdout.expected $testroot/stdout
3048 		test_done "$testroot" "$ret"
3049 		return 1
3050 	fi
3051 
3052 	cp /bin/cat $testroot/content.expected
3053 	chmod 755 $testroot/content.expected
3054 	cat $testroot/wt/foo > $testroot/content
3055 
3056 	cmp -s $testroot/content.expected $testroot/content
3057 	ret=$?
3058 	if [ $ret -ne 0 ]; then
3059 		diff -u $testroot/content.expected $testroot/content
3060 		test_done "$testroot" "$ret"
3061 		return 1
3062 	fi
3063 
3064 	# update which changes a locally modified binary file
3065 	cp /bin/ls $testroot/wt/foo
3066 	chmod 755 $testroot/wt/foo
3067 	(cd $testroot/wt && got up -c $commit_id3 > $testroot/stdout)
3068 
3069 	echo "C  foo" > $testroot/stdout.expected
3070 	echo -n "Updated to refs/heads/master: $commit_id3" \
3071 		>> $testroot/stdout.expected
3072 	echo >> $testroot/stdout.expected
3073 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
3074 	cmp -s $testroot/stdout.expected $testroot/stdout
3075 	ret=$?
3076 	if [ $ret -ne 0 ]; then
3077 		diff -u $testroot/stdout.expected $testroot/stdout
3078 		test_done "$testroot" "$ret"
3079 		return 1
3080 	fi
3081 
3082 	echo "Binary files differ and cannot be merged automatically:" \
3083 		> $testroot/content.expected
3084 	echo "<<<<<<< merged change: commit $commit_id3" \
3085 		>> $testroot/content.expected
3086 	echo -n "file " >> $testroot/content.expected
3087 	ls $testroot/wt/foo-1-* >> $testroot/content.expected
3088 	echo "||||||| 3-way merge base: commit $commit_id2" \
3089 		>> $testroot/content.expected
3090 	echo -n "file " >> $testroot/content.expected
3091 	ls $testroot/wt/foo-orig-* >> $testroot/content.expected
3092 	echo '=======' >> $testroot/content.expected
3093 	echo -n "file " >> $testroot/content.expected
3094 	ls $testroot/wt/foo-2-* >> $testroot/content.expected
3095 	echo ">>>>>>>" >> $testroot/content.expected
3096 	cat $testroot/wt/foo > $testroot/content
3097 
3098 	cmp -s $testroot/content.expected $testroot/content
3099 	ret=$?
3100 	if [ $ret -ne 0 ]; then
3101 		diff -u $testroot/content.expected $testroot/content
3102 		test_done "$testroot" "$ret"
3103 		return 1
3104 	fi
3105 
3106 	cp /bin/cp $testroot/content.expected
3107 	chmod 755 $testroot/content.expected
3108 	cp $testroot/wt/foo-1-* $testroot/content
3109 	cmp -s $testroot/content.expected $testroot/content
3110 	ret=$?
3111 	if [ $ret -ne 0 ]; then
3112 		diff -u $testroot/content.expected $testroot/content
3113 		test_done "$testroot" "$ret"
3114 		return 1
3115 	fi
3116 
3117 	cp /bin/ls $testroot/content.expected
3118 	chmod 755 $testroot/content.expected
3119 	cp $testroot/wt/foo-2-* $testroot/content
3120 	cmp -s $testroot/content.expected $testroot/content
3121 	ret=$?
3122 	if [ $ret -ne 0 ]; then
3123 		diff -u $testroot/content.expected $testroot/content
3124 		test_done "$testroot" "$ret"
3125 		return 1
3126 	fi
3127 
3128 	(cd $testroot/wt && got status > $testroot/stdout)
3129 	echo 'C  foo' > $testroot/stdout.expected
3130 	echo -n '?  ' >> $testroot/stdout.expected
3131 	(cd $testroot/wt && ls foo-1-* >> $testroot/stdout.expected)
3132 	echo -n '?  ' >> $testroot/stdout.expected
3133 	(cd $testroot/wt && ls foo-2-* >> $testroot/stdout.expected)
3134 	echo -n '?  ' >> $testroot/stdout.expected
3135 	(cd $testroot/wt && ls foo-orig-* >> $testroot/stdout.expected)
3136 	cmp -s $testroot/stdout.expected $testroot/stdout
3137 	ret=$?
3138 	if [ $ret -ne 0 ]; then
3139 		diff -u $testroot/stdout.expected $testroot/stdout
3140 		test_done "$testroot" "$ret"
3141 		return 1
3142 	fi
3143 
3144 	# tidy up
3145 	(cd $testroot/wt && got revert -R . > /dev/null)
3146 	rm $testroot/wt/foo-orig-* $testroot/wt/foo-1-* $testroot/wt/foo-2-*
3147 
3148 	# update which deletes a binary file
3149 	(cd $testroot/wt && got up -c $commit_id4 > $testroot/stdout)
3150 	echo "D  foo" > $testroot/stdout.expected
3151 	echo -n "Updated to refs/heads/master: $commit_id4" \
3152 		>> $testroot/stdout.expected
3153 	echo >> $testroot/stdout.expected
3154 	cmp -s $testroot/stdout.expected $testroot/stdout
3155 	ret=$?
3156 	if [ $ret -ne 0 ]; then
3157 		diff -u $testroot/stdout.expected $testroot/stdout
3158 		test_done "$testroot" "$ret"
3159 	fi
3160 
3161 	if [ -e $testroot/wt/foo ]; then
3162 		echo "removed file foo still exists on disk" >&2
3163 		test_done "$testroot" "1"
3164 		return 1
3165 	fi
3166 	test_done "$testroot" "0"
3167 }
3168 
3169 test_update_umask() {
3170 	local testroot=`test_init update_binary_file`
3171 
3172 	got checkout "$testroot/repo" "$testroot/wt" >/dev/null
3173 	ret=$?
3174 	if [ $ret -ne 0 ]; then
3175 		test_done "$testroot" "$ret"
3176 		return 1
3177 	fi
3178 
3179 	rm "$testroot/wt/alpha"
3180 
3181 	# using a subshell to avoid clobbering global umask
3182 	(umask 022 && cd "$testroot/wt" && got update alpha) \
3183 		>/dev/null 2>/dev/null
3184 	ret=$?
3185 	if [ $ret -ne 0 ]; then
3186 		test_done "$testroot" $ret
3187 		return 1
3188 	fi
3189 
3190 	if ! ls -l "$testroot/wt/alpha" | grep -q ^-rw-r--r--; then
3191 		echo "alpha is not 0644" >&2
3192 		test_done "$testroot" 1
3193 		return 1
3194 	fi
3195 
3196 	rm "$testroot/wt/alpha"
3197 
3198 	# using a subshell to avoid clobbering global umask
3199 	(umask 044 && cd "$testroot/wt" && got update alpha) \
3200 		>/dev/null 2>/dev/null
3201 	ret=$?
3202 	if [ $ret -ne 0 ]; then
3203 		test_done "$testroot" $ret
3204 		return 1
3205 	fi
3206 
3207 	if ! ls -l "$testroot/wt/alpha" | grep -q ^-rw-------; then
3208 		echo "alpha is not 0600" >&2
3209 		test_done "$testroot" 1
3210 		return 1
3211 	fi
3212 
3213 	rm "$testroot/wt/alpha"
3214 
3215 	# using a subshell to avoid clobbering global umask
3216 	(umask 222 && cd "$testroot/wt" && got update alpha) \
3217 		>/dev/null 2>/dev/null
3218 	ret=$?
3219 	if [ $ret -ne 0 ]; then
3220 		test_done "$testroot" $ret
3221 		return 1
3222 	fi
3223 
3224 	if ! ls -l "$testroot/wt/alpha" | grep -q ^-r--r--r--; then
3225 		echo "alpha is not 0444" >&2
3226 		test_done "$testroot" 1
3227 		return 1;
3228 	fi
3229 
3230 	test_done "$testroot" 0
3231 }
3232 
3233 test_parseargs "$@"
3234 run_test test_update_basic
3235 run_test test_update_adds_file
3236 run_test test_update_deletes_file
3237 run_test test_update_deletes_dir
3238 run_test test_update_deletes_dir_with_path_prefix
3239 run_test test_update_deletes_dir_recursively
3240 run_test test_update_sibling_dirs_with_common_prefix
3241 run_test test_update_dir_with_dot_sibling
3242 run_test test_update_moves_files_upwards
3243 run_test test_update_moves_files_to_new_dir
3244 run_test test_update_creates_missing_parent
3245 run_test test_update_creates_missing_parent_with_subdir
3246 run_test test_update_file_in_subsubdir
3247 run_test test_update_changes_file_to_dir
3248 run_test test_update_changes_dir_to_file
3249 run_test test_update_changes_modified_file_to_dir
3250 run_test test_update_merges_file_edits
3251 run_test test_update_keeps_xbit
3252 run_test test_update_clears_xbit
3253 run_test test_update_restores_missing_file
3254 run_test test_update_conflict_wt_add_vs_repo_add
3255 run_test test_update_conflict_wt_edit_vs_repo_rm
3256 run_test test_update_conflict_wt_rm_vs_repo_edit
3257 run_test test_update_conflict_wt_rm_vs_repo_rm
3258 run_test test_update_partial
3259 run_test test_update_partial_add
3260 run_test test_update_partial_rm
3261 run_test test_update_partial_dir
3262 run_test test_update_moved_branch_ref
3263 run_test test_update_to_another_branch
3264 run_test test_update_to_commit_on_wrong_branch
3265 run_test test_update_bumps_base_commit_id
3266 run_test test_update_tag
3267 run_test test_update_toggles_xbit
3268 run_test test_update_preserves_conflicted_file
3269 run_test test_update_modified_submodules
3270 run_test test_update_adds_submodule
3271 run_test test_update_conflict_wt_file_vs_repo_submodule
3272 run_test test_update_adds_symlink
3273 run_test test_update_deletes_symlink
3274 run_test test_update_symlink_conflicts
3275 run_test test_update_single_file
3276 run_test test_update_file_skipped_due_to_conflict
3277 run_test test_update_file_skipped_due_to_obstruction
3278 run_test test_update_quiet
3279 run_test test_update_binary_file
3280 run_test test_update_umask