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 	(cd $testroot/repo && 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 	(cd $testroot/repo && 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_merges_file_edits() {
640 	local testroot=`test_init update_merges_file_edits`
641 
642 	echo "1" > $testroot/repo/numbers
643 	echo "2" >> $testroot/repo/numbers
644 	echo "3" >> $testroot/repo/numbers
645 	echo "4" >> $testroot/repo/numbers
646 	echo "5" >> $testroot/repo/numbers
647 	echo "6" >> $testroot/repo/numbers
648 	echo "7" >> $testroot/repo/numbers
649 	echo "8" >> $testroot/repo/numbers
650 	(cd $testroot/repo && git add numbers)
651 	git_commit $testroot/repo -m "added numbers file"
652 	local base_commit=`git_show_head $testroot/repo`
653 
654 	got checkout $testroot/repo $testroot/wt > /dev/null
655 	ret=$?
656 	if [ $ret -ne 0 ]; then
657 		test_done "$testroot" "$ret"
658 		return 1
659 	fi
660 
661 	echo "modified alpha" > $testroot/repo/alpha
662 	echo "modified beta" > $testroot/repo/beta
663 	sed -i 's/2/22/' $testroot/repo/numbers
664 	git_commit $testroot/repo -m "modified 3 files"
665 
666 	echo "modified alpha, too" > $testroot/wt/alpha
667 	touch $testroot/wt/beta
668 	sed -i 's/7/77/' $testroot/wt/numbers
669 
670 	echo "C  alpha" > $testroot/stdout.expected
671 	echo "U  beta" >> $testroot/stdout.expected
672 	echo "G  numbers" >> $testroot/stdout.expected
673 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
674 	git_show_head $testroot/repo >> $testroot/stdout.expected
675 	echo >> $testroot/stdout.expected
676 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
677 
678 	(cd $testroot/wt && got update > $testroot/stdout)
679 
680 	cmp -s $testroot/stdout.expected $testroot/stdout
681 	ret=$?
682 	if [ $ret -ne 0 ]; then
683 		diff -u $testroot/stdout.expected $testroot/stdout
684 		test_done "$testroot" "$ret"
685 		return 1
686 	fi
687 
688 	echo -n "<<<<<<< merged change: commit " > $testroot/content.expected
689 	git_show_head $testroot/repo >> $testroot/content.expected
690 	echo >> $testroot/content.expected
691 	echo "modified alpha" >> $testroot/content.expected
692 	echo "||||||| 3-way merge base: commit $base_commit" \
693 		>> $testroot/content.expected
694 	echo "alpha" >> $testroot/content.expected
695 	echo "=======" >> $testroot/content.expected
696 	echo "modified alpha, too" >> $testroot/content.expected
697 	echo '>>>>>>>' >> $testroot/content.expected
698 	echo "modified beta" >> $testroot/content.expected
699 	echo "1" >> $testroot/content.expected
700 	echo "22" >> $testroot/content.expected
701 	echo "3" >> $testroot/content.expected
702 	echo "4" >> $testroot/content.expected
703 	echo "5" >> $testroot/content.expected
704 	echo "6" >> $testroot/content.expected
705 	echo "77" >> $testroot/content.expected
706 	echo "8" >> $testroot/content.expected
707 
708 	cat $testroot/wt/alpha > $testroot/content
709 	cat $testroot/wt/beta >> $testroot/content
710 	cat $testroot/wt/numbers >> $testroot/content
711 
712 	cmp -s $testroot/content.expected $testroot/content
713 	ret=$?
714 	if [ $ret -ne 0 ]; then
715 		diff -u $testroot/content.expected $testroot/content
716 	fi
717 	test_done "$testroot" "$ret"
718 }
719 
720 test_update_keeps_xbit() {
721 	local testroot=`test_init update_keeps_xbit 1`
722 
723 	touch $testroot/repo/xfile
724 	chmod +x $testroot/repo/xfile
725 	(cd $testroot/repo && git add .)
726 	git_commit $testroot/repo -m "adding executable file"
727 
728 	got checkout $testroot/repo $testroot/wt > $testroot/stdout
729 	ret=$?
730 	if [ $ret -ne 0 ]; then
731 		test_done "$testroot" "$ret"
732 		return 1
733 	fi
734 
735 	echo foo > $testroot/repo/xfile
736 	git_commit $testroot/repo -m "changed executable file"
737 
738 	echo "U  xfile" > $testroot/stdout.expected
739 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
740 	git_show_head $testroot/repo >> $testroot/stdout.expected
741 	echo >> $testroot/stdout.expected
742 
743 	(cd $testroot/wt && got update > $testroot/stdout)
744 	ret=$?
745 	if [ $ret -ne 0 ]; then
746 		test_done "$testroot" "$ret"
747 		return 1
748 	fi
749 
750 	cmp -s $testroot/stdout.expected $testroot/stdout
751 	ret=$?
752 	if [ $ret -ne 0 ]; then
753 		diff -u $testroot/stdout.expected $testroot/stdout
754 		test_done "$testroot" "$ret"
755 		return 1
756 	fi
757 
758 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
759 	ret=$?
760 	if [ $ret -ne 0 ]; then
761 		echo "file is not executable" >&2
762 		ls -l $testroot/wt/xfile >&2
763 	fi
764 	test_done "$testroot" "$ret"
765 }
766 
767 test_update_clears_xbit() {
768 	local testroot=`test_init update_clears_xbit 1`
769 
770 	touch $testroot/repo/xfile
771 	chmod +x $testroot/repo/xfile
772 	(cd $testroot/repo && git add .)
773 	git_commit $testroot/repo -m "adding executable file"
774 
775 	got checkout $testroot/repo $testroot/wt > $testroot/stdout
776 	ret=$?
777 	if [ $ret -ne 0 ]; then
778 		test_done "$testroot" "$ret"
779 		return 1
780 	fi
781 
782 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
783 	ret=$?
784 	if [ $ret -ne 0 ]; then
785 		echo "file is not executable" >&2
786 		ls -l $testroot/wt/xfile >&2
787 		test_done "$testroot" "$ret"
788 		return 1
789 	fi
790 
791 	# XXX git seems to require a file edit when flipping the x bit?
792 	echo foo > $testroot/repo/xfile
793 	chmod -x $testroot/repo/xfile
794 	git_commit $testroot/repo -m "not an executable file anymore"
795 
796 	echo "U  xfile" > $testroot/stdout.expected
797 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
798 	git_show_head $testroot/repo >> $testroot/stdout.expected
799 	echo >> $testroot/stdout.expected
800 
801 	(cd $testroot/wt && got update > $testroot/stdout)
802 	ret=$?
803 	if [ $ret -ne 0 ]; then
804 		test_done "$testroot" "$ret"
805 		return 1
806 	fi
807 
808 	cmp -s $testroot/stdout.expected $testroot/stdout
809 	ret=$?
810 	if [ $ret -ne 0 ]; then
811 		diff -u $testroot/stdout.expected $testroot/stdout
812 		test_done "$testroot" "$ret"
813 		return 1
814 	fi
815 
816 	ls -l $testroot/wt/xfile | grep -q '^-rw-'
817 	ret=$?
818 	if [ $ret -ne 0 ]; then
819 		echo "file is unexpectedly executable" >&2
820 		ls -l $testroot/wt/xfile >&2
821 	fi
822 	test_done "$testroot" "$ret"
823 }
824 
825 test_update_restores_missing_file() {
826 	local testroot=`test_init update_restores_missing_file`
827 
828 	got checkout $testroot/repo $testroot/wt > /dev/null
829 	ret=$?
830 	if [ $ret -ne 0 ]; then
831 		test_done "$testroot" "$ret"
832 		return 1
833 	fi
834 
835 	rm $testroot/wt/alpha
836 
837 	echo "!  alpha" > $testroot/stdout.expected
838 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
839 	git_show_head $testroot/repo >> $testroot/stdout.expected
840 	echo >> $testroot/stdout.expected
841 	(cd $testroot/wt && got update > $testroot/stdout)
842 
843 	cmp -s $testroot/stdout.expected $testroot/stdout
844 	ret=$?
845 	if [ $ret -ne 0 ]; then
846 		diff -u $testroot/stdout.expected $testroot/stdout
847 		test_done "$testroot" "$ret"
848 		return 1
849 	fi
850 
851 	echo "alpha" > $testroot/content.expected
852 
853 	cat $testroot/wt/alpha > $testroot/content
854 
855 	cmp -s $testroot/content.expected $testroot/content
856 	ret=$?
857 	if [ $ret -ne 0 ]; then
858 		diff -u $testroot/content.expected $testroot/content
859 	fi
860 	test_done "$testroot" "$ret"
861 }
862 
863 test_update_conflict_wt_add_vs_repo_add() {
864 	local testroot=`test_init update_conflict_wt_add_vs_repo_add`
865 
866 	got checkout $testroot/repo $testroot/wt > /dev/null
867 	ret=$?
868 	if [ $ret -ne 0 ]; then
869 		test_done "$testroot" "$ret"
870 		return 1
871 	fi
872 
873 	echo "new" > $testroot/repo/gamma/new
874 	(cd $testroot/repo && git add .)
875 	git_commit $testroot/repo -m "adding a new file"
876 
877 	echo "also new" > $testroot/wt/gamma/new
878 	(cd $testroot/wt && got add gamma/new >/dev/null)
879 
880 	(cd $testroot/wt && got update > $testroot/stdout)
881 
882 	echo "C  gamma/new" > $testroot/stdout.expected
883 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
884 	git_show_head $testroot/repo >> $testroot/stdout.expected
885 	echo >> $testroot/stdout.expected
886 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
887 
888 	cmp -s $testroot/stdout.expected $testroot/stdout
889 	ret=$?
890 	if [ $ret -ne 0 ]; then
891 		diff -u $testroot/stdout.expected $testroot/stdout
892 		test_done "$testroot" "$ret"
893 		return 1
894 	fi
895 
896 	echo -n "<<<<<<< merged change: commit " > $testroot/content.expected
897 	git_show_head $testroot/repo >> $testroot/content.expected
898 	echo >> $testroot/content.expected
899 	echo "new" >> $testroot/content.expected
900 	echo "=======" >> $testroot/content.expected
901 	echo "also new" >> $testroot/content.expected
902 	echo '>>>>>>>' >> $testroot/content.expected
903 
904 	cat $testroot/wt/gamma/new > $testroot/content
905 
906 	cmp -s $testroot/content.expected $testroot/content
907 	ret=$?
908 	if [ $ret -ne 0 ]; then
909 		diff -u $testroot/content.expected $testroot/content
910 		test_done "$testroot" "$ret"
911 		return 1
912 	fi
913 
914 	# resolve the conflict
915 	echo "new and also new" > $testroot/wt/gamma/new
916 	echo 'M  gamma/new' > $testroot/stdout.expected
917 	(cd $testroot/wt && got status > $testroot/stdout)
918 	cmp -s $testroot/stdout.expected $testroot/stdout
919 	ret=$?
920 	if [ $ret -ne 0 ]; then
921 		diff -u $testroot/stdout.expected $testroot/stdout
922 	fi
923 	test_done "$testroot" "$ret"
924 }
925 
926 test_update_conflict_wt_edit_vs_repo_rm() {
927 	local testroot=`test_init update_conflict_wt_edit_vs_repo_rm`
928 
929 	got checkout $testroot/repo $testroot/wt > /dev/null
930 	ret=$?
931 	if [ $ret -ne 0 ]; then
932 		test_done "$testroot" "$ret"
933 		return 1
934 	fi
935 
936 	(cd $testroot/repo && git rm -q beta)
937 	git_commit $testroot/repo -m "removing a file"
938 
939 	echo "modified beta" > $testroot/wt/beta
940 
941 	(cd $testroot/wt && got update > $testroot/stdout)
942 
943 	echo "G  beta" > $testroot/stdout.expected
944 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
945 	git_show_head $testroot/repo >> $testroot/stdout.expected
946 	echo >> $testroot/stdout.expected
947 	cmp -s $testroot/stdout.expected $testroot/stdout
948 	ret=$?
949 	if [ $ret -ne 0 ]; then
950 		diff -u $testroot/stdout.expected $testroot/stdout
951 		test_done "$testroot" "$ret"
952 		return 1
953 	fi
954 
955 	echo "modified beta" > $testroot/content.expected
956 
957 	cat $testroot/wt/beta > $testroot/content
958 
959 	cmp -s $testroot/content.expected $testroot/content
960 	ret=$?
961 	if [ $ret -ne 0 ]; then
962 		diff -u $testroot/content.expected $testroot/content
963 		test_done "$testroot" "$ret"
964 		return 1
965 	fi
966 
967 	# beta is now an added file... we don't flag tree conflicts yet
968 	echo 'A  beta' > $testroot/stdout.expected
969 	(cd $testroot/wt && got status > $testroot/stdout)
970 	cmp -s $testroot/stdout.expected $testroot/stdout
971 	ret=$?
972 	if [ $ret -ne 0 ]; then
973 		diff -u $testroot/stdout.expected $testroot/stdout
974 	fi
975 	test_done "$testroot" "$ret"
976 }
977 
978 test_update_conflict_wt_rm_vs_repo_edit() {
979 	local testroot=`test_init update_conflict_wt_rm_vs_repo_edit`
980 
981 	got checkout $testroot/repo $testroot/wt > /dev/null
982 	ret=$?
983 	if [ $ret -ne 0 ]; then
984 		test_done "$testroot" "$ret"
985 		return 1
986 	fi
987 
988 	echo "modified beta" > $testroot/repo/beta
989 	git_commit $testroot/repo -m "modified a file"
990 
991 	(cd $testroot/wt && got rm beta > /dev/null)
992 
993 	(cd $testroot/wt && got update > $testroot/stdout)
994 
995 	echo "G  beta" > $testroot/stdout.expected
996 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
997 	git_show_head $testroot/repo >> $testroot/stdout.expected
998 	echo >> $testroot/stdout.expected
999 	cmp -s $testroot/stdout.expected $testroot/stdout
1000 	ret=$?
1001 	if [ $ret -ne 0 ]; then
1002 		diff -u $testroot/stdout.expected $testroot/stdout
1003 		test_done "$testroot" "$ret"
1004 		return 1
1005 	fi
1006 
1007 	# beta remains a deleted file... we don't flag tree conflicts yet
1008 	echo 'D  beta' > $testroot/stdout.expected
1009 	(cd $testroot/wt && got status > $testroot/stdout)
1010 	cmp -s $testroot/stdout.expected $testroot/stdout
1011 	ret=$?
1012 	if [ $ret -ne 0 ]; then
1013 		diff -u $testroot/stdout.expected $testroot/stdout
1014 		test_done "$testroot" "$ret"
1015 		return 1
1016 	fi
1017 
1018 	# 'got diff' should show post-update contents of beta being deleted
1019 	local head_rev=`git_show_head $testroot/repo`
1020 	echo "diff $testroot/wt" > $testroot/stdout.expected
1021 	echo "commit - $head_rev"  >> $testroot/stdout.expected
1022 	echo "path + $testroot/wt" >> $testroot/stdout.expected
1023 	echo -n 'blob - ' >> $testroot/stdout.expected
1024 	got tree -r $testroot/repo -i | grep 'beta$' | cut -d' ' -f 1 \
1025 		>> $testroot/stdout.expected
1026 	echo 'file + /dev/null' >> $testroot/stdout.expected
1027 	echo '--- beta' >> $testroot/stdout.expected
1028 	echo '+++ /dev/null' >> $testroot/stdout.expected
1029 	echo '@@ -1 +0,0 @@' >> $testroot/stdout.expected
1030 	echo '-modified beta' >> $testroot/stdout.expected
1031 
1032 	(cd $testroot/wt && got diff > $testroot/stdout)
1033 	cmp -s $testroot/stdout.expected $testroot/stdout
1034 	ret=$?
1035 	if [ $ret -ne 0 ]; then
1036 		diff -u $testroot/stdout.expected $testroot/stdout
1037 	fi
1038 	test_done "$testroot" "$ret"
1039 }
1040 
1041 test_update_conflict_wt_rm_vs_repo_rm() {
1042 	local testroot=`test_init update_conflict_wt_rm_vs_repo_rm`
1043 
1044 	got checkout $testroot/repo $testroot/wt > /dev/null
1045 	ret=$?
1046 	if [ $ret -ne 0 ]; then
1047 		test_done "$testroot" "$ret"
1048 		return 1
1049 	fi
1050 
1051 	(cd $testroot/repo && git rm -q beta)
1052 	git_commit $testroot/repo -m "removing a file"
1053 
1054 	(cd $testroot/wt && got rm beta > /dev/null)
1055 
1056 	(cd $testroot/wt && got update > $testroot/stdout)
1057 
1058 	echo "D  beta" > $testroot/stdout.expected
1059 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1060 	git_show_head $testroot/repo >> $testroot/stdout.expected
1061 	echo >> $testroot/stdout.expected
1062 	cmp -s $testroot/stdout.expected $testroot/stdout
1063 	ret=$?
1064 	if [ $ret -ne 0 ]; then
1065 		diff -u $testroot/stdout.expected $testroot/stdout
1066 		test_done "$testroot" "$ret"
1067 		return 1
1068 	fi
1069 
1070 	# beta is now gone... we don't flag tree conflicts yet
1071 	echo "N  beta" > $testroot/stdout.expected
1072 	echo -n > $testroot/stderr.expected
1073 	(cd $testroot/wt && got status beta > $testroot/stdout \
1074 		2> $testroot/stderr)
1075 	cmp -s $testroot/stdout.expected $testroot/stdout
1076 	ret=$?
1077 	if [ $ret -ne 0 ]; then
1078 		diff -u $testroot/stdout.expected $testroot/stdout
1079 		test_done "$testroot" "$ret"
1080 		return 1
1081 	fi
1082 	cmp -s $testroot/stderr.expected $testroot/stderr
1083 	ret=$?
1084 	if [ $ret -ne 0 ]; then
1085 		diff -u $testroot/stderr.expected $testroot/stderr
1086 		test_done "$testroot" "$ret"
1087 		return 1
1088 	fi
1089 
1090 	if [ -e $testroot/wt/beta ]; then
1091 		echo "removed file beta still exists on disk" >&2
1092 		test_done "$testroot" "1"
1093 		return 1
1094 	fi
1095 
1096 	test_done "$testroot" "0"
1097 }
1098 
1099 test_update_partial() {
1100 	local testroot=`test_init update_partial`
1101 
1102 	got checkout $testroot/repo $testroot/wt > /dev/null
1103 	ret=$?
1104 	if [ $ret -ne 0 ]; then
1105 		test_done "$testroot" "$ret"
1106 		return 1
1107 	fi
1108 
1109 	echo "modified alpha" > $testroot/repo/alpha
1110 	echo "modified beta" > $testroot/repo/beta
1111 	echo "modified epsilon/zeta" > $testroot/repo/epsilon/zeta
1112 	git_commit $testroot/repo -m "modified two files"
1113 
1114 	echo "U  alpha" > $testroot/stdout.expected
1115 	echo "U  beta" >> $testroot/stdout.expected
1116 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1117 	git_show_head $testroot/repo >> $testroot/stdout.expected
1118 	echo >> $testroot/stdout.expected
1119 
1120 	(cd $testroot/wt && got update alpha beta > $testroot/stdout)
1121 
1122 	cmp -s $testroot/stdout.expected $testroot/stdout
1123 	ret=$?
1124 	if [ $ret -ne 0 ]; then
1125 		diff -u $testroot/stdout.expected $testroot/stdout
1126 		test_done "$testroot" "$ret"
1127 		return 1
1128 	fi
1129 
1130 	echo "modified alpha" > $testroot/content.expected
1131 	echo "modified beta" >> $testroot/content.expected
1132 
1133 	cat $testroot/wt/alpha $testroot/wt/beta > $testroot/content
1134 	cmp -s $testroot/content.expected $testroot/content
1135 	ret=$?
1136 	if [ $ret -ne 0 ]; then
1137 		diff -u $testroot/content.expected $testroot/content
1138 		test_done "$testroot" "$ret"
1139 		return 1
1140 	fi
1141 
1142 	echo "U  epsilon/zeta" > $testroot/stdout.expected
1143 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1144 	git_show_head $testroot/repo >> $testroot/stdout.expected
1145 	echo >> $testroot/stdout.expected
1146 
1147 	(cd $testroot/wt && got update epsilon > $testroot/stdout)
1148 
1149 	cmp -s $testroot/stdout.expected $testroot/stdout
1150 	ret=$?
1151 	if [ $ret -ne 0 ]; then
1152 		diff -u $testroot/stdout.expected $testroot/stdout
1153 		test_done "$testroot" "$ret"
1154 		return 1
1155 	fi
1156 
1157 	echo "modified epsilon/zeta" > $testroot/content.expected
1158 	cat $testroot/wt/epsilon/zeta > $testroot/content
1159 
1160 	cmp -s $testroot/content.expected $testroot/content
1161 	ret=$?
1162 	if [ $ret -ne 0 ]; then
1163 		diff -u $testroot/content.expected $testroot/content
1164 		test_done "$testroot" "$ret"
1165 		return 1
1166 	fi
1167 
1168 	test_done "$testroot" "$ret"
1169 }
1170 
1171 test_update_partial_add() {
1172 	local testroot=`test_init update_partial_add`
1173 
1174 	got checkout $testroot/repo $testroot/wt > /dev/null
1175 	ret=$?
1176 	if [ $ret -ne 0 ]; then
1177 		test_done "$testroot" "$ret"
1178 		return 1
1179 	fi
1180 
1181 	echo "new" > $testroot/repo/new
1182 	echo "epsilon/new2" > $testroot/repo/epsilon/new2
1183 	(cd $testroot/repo && git add .)
1184 	git_commit $testroot/repo -m "added two files"
1185 
1186 	echo "A  epsilon/new2" > $testroot/stdout.expected
1187 	echo "A  new" >> $testroot/stdout.expected
1188 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1189 	git_show_head $testroot/repo >> $testroot/stdout.expected
1190 	echo >> $testroot/stdout.expected
1191 
1192 	(cd $testroot/wt && got update new epsilon/new2 > $testroot/stdout)
1193 
1194 	cmp -s $testroot/stdout.expected $testroot/stdout
1195 	ret=$?
1196 	if [ $ret -ne 0 ]; then
1197 		diff -u $testroot/stdout.expected $testroot/stdout
1198 		test_done "$testroot" "$ret"
1199 		return 1
1200 	fi
1201 
1202 	echo "new" > $testroot/content.expected
1203 	echo "epsilon/new2" >> $testroot/content.expected
1204 
1205 	cat $testroot/wt/new $testroot/wt/epsilon/new2 > $testroot/content
1206 
1207 	cmp -s $testroot/content.expected $testroot/content
1208 	ret=$?
1209 	if [ $ret -ne 0 ]; then
1210 		diff -u $testroot/content.expected $testroot/content
1211 	fi
1212 	test_done "$testroot" "$ret"
1213 }
1214 
1215 test_update_partial_rm() {
1216 	local testroot=`test_init update_partial_rm`
1217 
1218 	got checkout $testroot/repo $testroot/wt > /dev/null
1219 	ret=$?
1220 	if [ $ret -ne 0 ]; then
1221 		test_done "$testroot" "$ret"
1222 		return 1
1223 	fi
1224 
1225 	(cd $testroot/repo && git rm -q alpha epsilon/zeta)
1226 	git_commit $testroot/repo -m "removed two files"
1227 
1228 	echo "got: /alpha: no such entry found in tree" \
1229 		> $testroot/stderr.expected
1230 
1231 	(cd $testroot/wt && got update alpha epsilon/zeta 2> $testroot/stderr)
1232 	ret=$?
1233 	if [ $ret -eq 0 ]; then
1234 		echo "update succeeded unexpectedly" >&2
1235 		test_done "$testroot" "1"
1236 		return 1
1237 	fi
1238 
1239 	cmp -s $testroot/stderr.expected $testroot/stderr
1240 	ret=$?
1241 	if [ $ret -ne 0 ]; then
1242 		diff -u $testroot/stderr.expected $testroot/stderr
1243 		test_done "$testroot" "$ret"
1244 		return 1
1245 	fi
1246 	test_done "$testroot" "$ret"
1247 }
1248 
1249 test_update_partial_dir() {
1250 	local testroot=`test_init update_partial_dir`
1251 
1252 	got checkout $testroot/repo $testroot/wt > /dev/null
1253 	ret=$?
1254 	if [ $ret -ne 0 ]; then
1255 		test_done "$testroot" "$ret"
1256 		return 1
1257 	fi
1258 
1259 	echo "modified alpha" > $testroot/repo/alpha
1260 	echo "modified beta" > $testroot/repo/beta
1261 	echo "modified epsilon/zeta" > $testroot/repo/epsilon/zeta
1262 	git_commit $testroot/repo -m "modified two files"
1263 
1264 	echo "U  epsilon/zeta" > $testroot/stdout.expected
1265 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1266 	git_show_head $testroot/repo >> $testroot/stdout.expected
1267 	echo >> $testroot/stdout.expected
1268 
1269 	(cd $testroot/wt && got update epsilon > $testroot/stdout)
1270 
1271 	cmp -s $testroot/stdout.expected $testroot/stdout
1272 	ret=$?
1273 	if [ $ret -ne 0 ]; then
1274 		diff -u $testroot/stdout.expected $testroot/stdout
1275 		test_done "$testroot" "$ret"
1276 		return 1
1277 	fi
1278 
1279 	echo "modified epsilon/zeta" > $testroot/content.expected
1280 	cat $testroot/wt/epsilon/zeta > $testroot/content
1281 
1282 	cmp -s $testroot/content.expected $testroot/content
1283 	ret=$?
1284 	if [ $ret -ne 0 ]; then
1285 		diff -u $testroot/content.expected $testroot/content
1286 		test_done "$testroot" "$ret"
1287 		return 1
1288 	fi
1289 	test_done "$testroot" "$ret"
1290 
1291 }
1292 
1293 test_update_moved_branch_ref() {
1294 	local testroot=`test_init update_moved_branch_ref`
1295 
1296 	git clone -q --mirror $testroot/repo $testroot/repo2
1297 
1298 	echo "modified alpha with git" > $testroot/repo/alpha
1299 	git_commit $testroot/repo -m "modified alpha with git"
1300 
1301 	got checkout $testroot/repo2 $testroot/wt > /dev/null
1302 	ret=$?
1303 	if [ $ret -ne 0 ]; then
1304 		test_done "$testroot" "$ret"
1305 		return 1
1306 	fi
1307 
1308 	echo "modified alpha with got" > $testroot/wt/alpha
1309 	(cd $testroot/wt && got commit -m "modified alpha with got" > /dev/null)
1310 
1311 	# + xxxxxxx...yyyyyyy master     -> master  (forced update)
1312 	(cd $testroot/repo2 && git fetch -q --all)
1313 
1314 	echo -n > $testroot/stdout.expected
1315 	echo -n "got: work tree's head reference now points to a different " \
1316 		> $testroot/stderr.expected
1317 	echo "branch; new head reference and/or update -b required"  \
1318 		>> $testroot/stderr.expected
1319 
1320 	(cd $testroot/wt && got update > $testroot/stdout 2> $testroot/stderr)
1321 
1322 	cmp -s $testroot/stdout.expected $testroot/stdout
1323 	ret=$?
1324 	if [ $ret -ne 0 ]; then
1325 		diff -u $testroot/stdout.expected $testroot/stdout
1326 		test_done "$testroot" "$ret"
1327 		return 1
1328 	fi
1329 
1330 	cmp -s $testroot/stderr.expected $testroot/stderr
1331 	ret=$?
1332 	if [ $ret -ne 0 ]; then
1333 		diff -u $testroot/stderr.expected $testroot/stderr
1334 	fi
1335 	test_done "$testroot" "$ret"
1336 }
1337 
1338 test_update_to_another_branch() {
1339 	local testroot=`test_init update_to_another_branch`
1340 	local base_commit=`git_show_head $testroot/repo`
1341 
1342 	got checkout $testroot/repo $testroot/wt > /dev/null
1343 	ret=$?
1344 	if [ $ret -ne 0 ]; then
1345 		test_done "$testroot" "$ret"
1346 		return 1
1347 	fi
1348 
1349 	echo 'refs/heads/master'> $testroot/head-ref.expected
1350 	cmp -s $testroot/head-ref.expected $testroot/wt/.got/head-ref
1351 	ret=$?
1352 	if [ $ret -ne 0 ]; then
1353 		diff -u $testroot/head-ref.expected $testroot/wt/.got/head-ref
1354 		test_done "$testroot" "$ret"
1355 		return 1
1356 	fi
1357 
1358 	(cd $testroot/repo && git checkout -q -b newbranch)
1359 	echo "modified alpha on new branch" > $testroot/repo/alpha
1360 	git_commit $testroot/repo -m "modified alpha on new branch"
1361 
1362 	echo "modified alpha in work tree" > $testroot/wt/alpha
1363 
1364 	echo "Switching work tree from refs/heads/master to refs/heads/newbranch" > $testroot/stdout.expected
1365 	echo "C  alpha" >> $testroot/stdout.expected
1366 	echo -n "Updated to refs/heads/newbranch: " >> $testroot/stdout.expected
1367 	git_show_head $testroot/repo >> $testroot/stdout.expected
1368 	echo >> $testroot/stdout.expected
1369 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
1370 
1371 	(cd $testroot/wt && got update -b newbranch > $testroot/stdout)
1372 
1373 	cmp -s $testroot/stdout.expected $testroot/stdout
1374 	ret=$?
1375 	if [ $ret -ne 0 ]; then
1376 		diff -u $testroot/stdout.expected $testroot/stdout
1377 		test_done "$testroot" "$ret"
1378 		return 1
1379 	fi
1380 
1381 	echo -n "<<<<<<< merged change: commit " > $testroot/content.expected
1382 	git_show_head $testroot/repo >> $testroot/content.expected
1383 	echo >> $testroot/content.expected
1384 	echo "modified alpha on new branch" >> $testroot/content.expected
1385 	echo "||||||| 3-way merge base: commit $base_commit" \
1386 		>> $testroot/content.expected
1387 	echo "alpha" >> $testroot/content.expected
1388 	echo "=======" >> $testroot/content.expected
1389 	echo "modified alpha in work tree" >> $testroot/content.expected
1390 	echo '>>>>>>>' >> $testroot/content.expected
1391 
1392 	cat $testroot/wt/alpha > $testroot/content
1393 
1394 	cmp -s $testroot/content.expected $testroot/content
1395 	ret=$?
1396 	if [ $ret -ne 0 ]; then
1397 		diff -u $testroot/content.expected $testroot/content
1398 		test_done "$testroot" "$ret"
1399 		return 1
1400 	fi
1401 
1402 	echo 'refs/heads/newbranch'> $testroot/head-ref.expected
1403 	cmp -s $testroot/head-ref.expected $testroot/wt/.got/head-ref
1404 	ret=$?
1405 	if [ $ret -ne 0 ]; then
1406 		diff -u $testroot/head-ref.expected $testroot/wt/.got/head-ref
1407 		test_done "$testroot" "$ret"
1408 		return 1
1409 	fi
1410 
1411 	test_done "$testroot" "$ret"
1412 }
1413 
1414 test_update_to_commit_on_wrong_branch() {
1415 	local testroot=`test_init update_to_commit_on_wrong_branch`
1416 
1417 	got checkout $testroot/repo $testroot/wt > /dev/null
1418 	ret=$?
1419 	if [ $ret -ne 0 ]; then
1420 		test_done "$testroot" "$ret"
1421 		return 1
1422 	fi
1423 
1424 	(cd $testroot/repo && git checkout -q -b newbranch)
1425 	echo "modified alpha on new branch" > $testroot/repo/alpha
1426 	git_commit $testroot/repo -m "modified alpha on new branch"
1427 
1428 	echo -n "" > $testroot/stdout.expected
1429 	echo  "got: target commit is on a different branch" \
1430 		> $testroot/stderr.expected
1431 
1432 	local head_rev=`git_show_head $testroot/repo`
1433 	(cd $testroot/wt && got update -c $head_rev > $testroot/stdout \
1434 		2> $testroot/stderr)
1435 
1436 	cmp -s $testroot/stdout.expected $testroot/stdout
1437 	ret=$?
1438 	if [ $ret -ne 0 ]; then
1439 		diff -u $testroot/stdout.expected $testroot/stdout
1440 		test_done "$testroot" "$ret"
1441 		return 1
1442 	fi
1443 
1444 	cmp -s $testroot/stderr.expected $testroot/stderr
1445 	ret=$?
1446 	if [ $ret -ne 0 ]; then
1447 		diff -u $testroot/stderr.expected $testroot/stderr
1448 		test_done "$testroot" "$ret"
1449 		return 1
1450 	fi
1451 
1452 	test_done "$testroot" "$ret"
1453 }
1454 
1455 test_update_bumps_base_commit_id() {
1456 	local testroot=`test_init update_bumps_base_commit_id`
1457 
1458 	echo "psi" > $testroot/repo/epsilon/psi
1459 	(cd $testroot/repo && git add .)
1460 	git_commit $testroot/repo -m "adding another file"
1461 
1462 	got checkout $testroot/repo $testroot/wt > /dev/null
1463 	ret=$?
1464 	if [ $ret -ne 0 ]; then
1465 		test_done "$testroot" "$ret"
1466 		return 1
1467 	fi
1468 
1469 	echo "modified psi" > $testroot/wt/epsilon/psi
1470 	(cd $testroot/wt && got commit -m "changed psi" > $testroot/stdout)
1471 
1472 	local head_rev=`git_show_head $testroot/repo`
1473 	echo "M  epsilon/psi" > $testroot/stdout.expected
1474 	echo "Created commit $head_rev" >> $testroot/stdout.expected
1475 	cmp -s $testroot/stdout.expected $testroot/stdout
1476 	ret=$?
1477 	if [ $ret -ne 0 ]; then
1478 		diff -u $testroot/stdout.expected $testroot/stdout
1479 		test_done "$testroot" "$ret"
1480 		return 1
1481 	fi
1482 
1483 	echo "changed zeta with git" > $testroot/repo/epsilon/zeta
1484 	(cd $testroot/repo && git add .)
1485 	git_commit $testroot/repo -m "changing zeta with git"
1486 
1487 	echo "modified zeta" > $testroot/wt/epsilon/zeta
1488 	(cd $testroot/wt && got commit -m "changed zeta" > $testroot/stdout \
1489 		2> $testroot/stderr)
1490 
1491 	echo -n "" > $testroot/stdout.expected
1492 	echo "got: work tree must be updated before these changes can be committed"  > $testroot/stderr.expected
1493 	cmp -s $testroot/stderr.expected $testroot/stderr
1494 	ret=$?
1495 	if [ $ret -ne 0 ]; then
1496 		diff -u $testroot/stderr.expected $testroot/stderr
1497 		test_done "$testroot" "$ret"
1498 		return 1
1499 	fi
1500 
1501 	(cd $testroot/wt && got update > $testroot/stdout)
1502 
1503 	echo "U  epsilon/psi" > $testroot/stdout.expected
1504 	echo "C  epsilon/zeta" >> $testroot/stdout.expected
1505 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1506 	git_show_head $testroot/repo >> $testroot/stdout.expected
1507 	echo >> $testroot/stdout.expected
1508 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
1509 
1510 	cmp -s $testroot/stdout.expected $testroot/stdout
1511 	ret=$?
1512 	if [ $ret -ne 0 ]; then
1513 		diff -u $testroot/stdout.expected $testroot/stdout
1514 		test_done "$testroot" "$ret"
1515 		return 1
1516 	fi
1517 
1518 	# resolve conflict
1519 	echo "modified zeta with got and git" > $testroot/wt/epsilon/zeta
1520 
1521 	(cd $testroot/wt && got commit -m "changed zeta" > $testroot/stdout)
1522 
1523 	local head_rev=`git_show_head $testroot/repo`
1524 	echo "M  epsilon/zeta" > $testroot/stdout.expected
1525 	echo "Created commit $head_rev" >> $testroot/stdout.expected
1526 	cmp -s $testroot/stdout.expected $testroot/stdout
1527 	ret=$?
1528 	if [ $ret -ne 0 ]; then
1529 		diff -u $testroot/stdout.expected $testroot/stdout
1530 		test_done "$testroot" "$ret"
1531 		return 1
1532 	fi
1533 
1534 	test_done "$testroot" "$ret"
1535 }
1536 
1537 test_update_tag() {
1538 	local testroot=`test_init update_tag`
1539 	local tag="1.0.0"
1540 
1541 	got checkout $testroot/repo $testroot/wt > /dev/null
1542 	ret=$?
1543 	if [ $ret -ne 0 ]; then
1544 		test_done "$testroot" "$ret"
1545 		return 1
1546 	fi
1547 
1548 	echo "modified alpha" > $testroot/repo/alpha
1549 	git_commit $testroot/repo -m "modified alpha"
1550 	(cd $testroot/repo && git tag -m "test" -a $tag)
1551 
1552 	echo "U  alpha" > $testroot/stdout.expected
1553 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1554 	git_show_head $testroot/repo >> $testroot/stdout.expected
1555 	echo >> $testroot/stdout.expected
1556 
1557 	(cd $testroot/wt && got update -c $tag > $testroot/stdout)
1558 
1559 	cmp -s $testroot/stdout.expected $testroot/stdout
1560 	ret=$?
1561 	if [ $ret -ne 0 ]; then
1562 		diff -u $testroot/stdout.expected $testroot/stdout
1563 		test_done "$testroot" "$ret"
1564 		return 1
1565 	fi
1566 
1567 	echo "modified alpha" > $testroot/content.expected
1568 	cat $testroot/wt/alpha > $testroot/content
1569 
1570 	cmp -s $testroot/content.expected $testroot/content
1571 	ret=$?
1572 	if [ $ret -ne 0 ]; then
1573 		diff -u $testroot/content.expected $testroot/content
1574 	fi
1575 	test_done "$testroot" "$ret"
1576 }
1577 
1578 test_update_toggles_xbit() {
1579 	local testroot=`test_init update_toggles_xbit 1`
1580 
1581 	touch $testroot/repo/xfile
1582 	chmod +x $testroot/repo/xfile
1583 	(cd $testroot/repo && git add .)
1584 	git_commit $testroot/repo -m "adding executable file"
1585 	local commit_id1=`git_show_head $testroot/repo`
1586 
1587 	got checkout $testroot/repo $testroot/wt > $testroot/stdout
1588 	ret=$?
1589 	if [ $ret -ne 0 ]; then
1590 		test_done "$testroot" "$ret"
1591 		return 1
1592 	fi
1593 
1594 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
1595 	ret=$?
1596 	if [ $ret -ne 0 ]; then
1597 		echo "file is not executable" >&2
1598 		ls -l $testroot/wt/xfile >&2
1599 		test_done "$testroot" "$ret"
1600 		return 1
1601 	fi
1602 
1603 	chmod -x $testroot/wt/xfile
1604 	(cd $testroot/wt && got commit -m "clear x bit" >/dev/null)
1605 	local commit_id2=`git_show_head $testroot/repo`
1606 
1607 	echo "U  xfile" > $testroot/stdout.expected
1608 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1609 	git_show_head $testroot/repo >> $testroot/stdout.expected
1610 	echo >> $testroot/stdout.expected
1611 
1612 	(cd $testroot/wt && got update -c $commit_id1 > $testroot/stdout)
1613 	ret=$?
1614 	if [ $ret -ne 0 ]; then
1615 		test_done "$testroot" "$ret"
1616 		return 1
1617 	fi
1618 
1619 	echo "U  xfile" > $testroot/stdout.expected
1620 	echo "Updated to refs/heads/master: $commit_id1" >> $testroot/stdout.expected
1621 	cmp -s $testroot/stdout.expected $testroot/stdout
1622 	ret=$?
1623 	if [ $ret -ne 0 ]; then
1624 		diff -u $testroot/stdout.expected $testroot/stdout
1625 		test_done "$testroot" "$ret"
1626 		return 1
1627 	fi
1628 
1629 
1630 	ls -l $testroot/wt/xfile | grep -q '^-rwx'
1631 	ret=$?
1632 	if [ $ret -ne 0 ]; then
1633 		echo "file is not executable" >&2
1634 		ls -l $testroot/wt/xfile >&2
1635 		test_done "$testroot" "$ret"
1636 		return 1
1637 	fi
1638 
1639 	(cd $testroot/wt && got update > $testroot/stdout)
1640 	ret=$?
1641 	if [ $ret -ne 0 ]; then
1642 		test_done "$testroot" "$ret"
1643 		return 1
1644 	fi
1645 
1646 	echo "U  xfile" > $testroot/stdout.expected
1647 	echo "Updated to refs/heads/master: $commit_id2" \
1648 		>> $testroot/stdout.expected
1649 	cmp -s $testroot/stdout.expected $testroot/stdout
1650 	ret=$?
1651 	if [ $ret -ne 0 ]; then
1652 		diff -u $testroot/stdout.expected $testroot/stdout
1653 		test_done "$testroot" "$ret"
1654 		return 1
1655 	fi
1656 
1657 	ls -l $testroot/wt/xfile | grep -q '^-rw-'
1658 	ret=$?
1659 	if [ $ret -ne 0 ]; then
1660 		echo "file is unexpectedly executable" >&2
1661 		ls -l $testroot/wt/xfile >&2
1662 	fi
1663 	test_done "$testroot" "$ret"
1664 }
1665 
1666 test_update_preserves_conflicted_file() {
1667 	local testroot=`test_init update_preserves_conflicted_file`
1668 	local commit_id0=`git_show_head $testroot/repo`
1669 
1670 	echo "modified alpha" > $testroot/repo/alpha
1671 	git_commit $testroot/repo -m "modified alpha"
1672 	local commit_id1=`git_show_head $testroot/repo`
1673 
1674 	got checkout -c $commit_id0 $testroot/repo $testroot/wt > /dev/null
1675 	ret=$?
1676 	if [ $ret -ne 0 ]; then
1677 		test_done "$testroot" "$ret"
1678 		return 1
1679 	fi
1680 
1681 	# fake a merge conflict
1682 	echo '<<<<<<<' > $testroot/wt/alpha
1683 	echo 'alpha' >> $testroot/wt/alpha
1684 	echo '=======' >> $testroot/wt/alpha
1685 	echo 'alpha, too' >> $testroot/wt/alpha
1686 	echo '>>>>>>>' >> $testroot/wt/alpha
1687 	cp $testroot/wt/alpha $testroot/content.expected
1688 
1689 	echo "C  alpha" > $testroot/stdout.expected
1690 	(cd $testroot/wt && got status  > $testroot/stdout)
1691 	cmp -s $testroot/stdout.expected $testroot/stdout
1692 	ret=$?
1693 	if [ $ret -ne 0 ]; then
1694 		diff -u $testroot/stdout.expected $testroot/stdout
1695 		test_done "$testroot" "$ret"
1696 		return 1
1697 	fi
1698 
1699 	echo "#  alpha" > $testroot/stdout.expected
1700 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1701 	git_show_head $testroot/repo >> $testroot/stdout.expected
1702 	echo >> $testroot/stdout.expected
1703 	echo "Files not updated because of existing merge conflicts: 1" \
1704 		>> $testroot/stdout.expected
1705 	(cd $testroot/wt && got update > $testroot/stdout)
1706 
1707 	cmp -s $testroot/stdout.expected $testroot/stdout
1708 	ret=$?
1709 	if [ $ret -ne 0 ]; then
1710 		diff -u $testroot/stdout.expected $testroot/stdout
1711 		test_done "$testroot" "$ret"
1712 		return 1
1713 	fi
1714 
1715 	cmp -s $testroot/content.expected $testroot/wt/alpha
1716 	ret=$?
1717 	if [ $ret -ne 0 ]; then
1718 		diff -u $testroot/content.expected $testroot/wt/alpha
1719 	fi
1720 	test_done "$testroot" "$ret"
1721 }
1722 
1723 test_update_modified_submodules() {
1724 	local testroot=`test_init update_modified_submodules`
1725 
1726 	make_single_file_repo $testroot/repo2 foo
1727 
1728 	(cd $testroot/repo && git submodule -q add ../repo2)
1729 	(cd $testroot/repo && git commit -q -m 'adding submodule')
1730 
1731 	got checkout $testroot/repo $testroot/wt > /dev/null
1732 
1733 	echo "modified foo" > $testroot/repo2/foo
1734 	(cd $testroot/repo2 && git commit -q -a -m 'modified a submodule')
1735 
1736 	# Update the repo/repo2 submodule link
1737 	(cd $testroot/repo && git -C repo2 pull -q)
1738 	(cd $testroot/repo && git add repo2)
1739 	git_commit $testroot/repo -m "modified submodule link"
1740 
1741 	# This update only records the new base commit. Otherwise it is a
1742 	# no-op change because Got's file index does not track submodules.
1743 	echo -n "Updated to refs/heads/master: " > $testroot/stdout.expected
1744 	git_show_head $testroot/repo >> $testroot/stdout.expected
1745 	echo >> $testroot/stdout.expected
1746 
1747 	(cd $testroot/wt && got update > $testroot/stdout)
1748 
1749 	cmp -s $testroot/stdout.expected $testroot/stdout
1750 	ret=$?
1751 	if [ $ret -ne 0 ]; then
1752 		diff -u $testroot/stdout.expected $testroot/stdout
1753 	fi
1754 	test_done "$testroot" "$ret"
1755 }
1756 
1757 test_update_adds_submodule() {
1758 	local testroot=`test_init update_adds_submodule`
1759 
1760 	got checkout $testroot/repo $testroot/wt > /dev/null
1761 
1762 	make_single_file_repo $testroot/repo2 foo
1763 
1764 	echo "modified foo" > $testroot/repo2/foo
1765 	(cd $testroot/repo2 && git commit -q -a -m 'modified a submodule')
1766 
1767 	(cd $testroot/repo && git submodule -q add ../repo2)
1768 	(cd $testroot/repo && git commit -q -m 'adding submodule')
1769 
1770 	echo "A  .gitmodules" > $testroot/stdout.expected
1771 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1772 	git_show_head $testroot/repo >> $testroot/stdout.expected
1773 	echo >> $testroot/stdout.expected
1774 
1775 	(cd $testroot/wt && got update > $testroot/stdout)
1776 
1777 	cmp -s $testroot/stdout.expected $testroot/stdout
1778 	ret=$?
1779 	if [ $ret -ne 0 ]; then
1780 		diff -u $testroot/stdout.expected $testroot/stdout
1781 	fi
1782 	test_done "$testroot" "$ret"
1783 }
1784 
1785 test_update_conflict_wt_file_vs_repo_submodule() {
1786 	local testroot=`test_init update_conflict_wt_file_vs_repo_submodule`
1787 
1788 	got checkout $testroot/repo $testroot/wt > /dev/null
1789 
1790 	make_single_file_repo $testroot/repo2 foo
1791 
1792 	# Add a file which will clash with the submodule
1793 	echo "This is a file called repo2" > $testroot/wt/repo2
1794 	(cd $testroot/wt && got add repo2 > /dev/null)
1795 	(cd $testroot/wt && got commit -m 'add file repo2' > /dev/null)
1796 	ret=$?
1797 	if [ $ret -ne 0 ]; then
1798 		echo "commit failed unexpectedly" >&2
1799 		test_done "$testroot" "1"
1800 		return 1
1801 	fi
1802 
1803 	(cd $testroot/repo && git submodule -q add ../repo2)
1804 	(cd $testroot/repo && git commit -q -m 'adding submodule')
1805 
1806 	# Modify the clashing file such that any modifications brought
1807 	# in by 'got update' would require a merge.
1808 	echo "This file was changed" > $testroot/wt/repo2
1809 
1810 	# No conflict occurs because 'got update' ignores the submodule
1811 	# and leaves the clashing file as it was.
1812 	echo "A  .gitmodules" > $testroot/stdout.expected
1813 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1814 	git_show_head $testroot/repo >> $testroot/stdout.expected
1815 	echo >> $testroot/stdout.expected
1816 
1817 	(cd $testroot/wt && got update > $testroot/stdout)
1818 
1819 	cmp -s $testroot/stdout.expected $testroot/stdout
1820 	ret=$?
1821 	if [ $ret -ne 0 ]; then
1822 		diff -u $testroot/stdout.expected $testroot/stdout
1823 		test_done "$testroot" "$ret"
1824 		return 1
1825 	fi
1826 
1827 	(cd $testroot/wt && got status > $testroot/stdout)
1828 
1829 	echo "M  repo2" > $testroot/stdout.expected
1830 	cmp -s $testroot/stdout.expected $testroot/stdout
1831 	ret=$?
1832 	if [ $ret -ne 0 ]; then
1833 		diff -u $testroot/stdout.expected $testroot/stdout
1834 	fi
1835 	test_done "$testroot" "$ret"
1836 }
1837 
1838 test_update_adds_symlink() {
1839 	local testroot=`test_init update_adds_symlink`
1840 
1841 	got checkout $testroot/repo $testroot/wt > /dev/null
1842 	ret=$?
1843 	if [ $ret -ne 0 ]; then
1844 		echo "checkout failed unexpectedly" >&2
1845 		test_done "$testroot" "$ret"
1846 		return 1
1847 	fi
1848 
1849 	(cd $testroot/repo && ln -s alpha alpha.link)
1850 	(cd $testroot/repo && ln -s epsilon epsilon.link)
1851 	(cd $testroot/repo && ln -s /etc/passwd passwd.link)
1852 	(cd $testroot/repo && ln -s ../beta epsilon/beta.link)
1853 	(cd $testroot/repo && ln -s nonexistent nonexistent.link)
1854 	(cd $testroot/repo && git add .)
1855 	git_commit $testroot/repo -m "add symlinks"
1856 
1857 	echo "A  alpha.link" > $testroot/stdout.expected
1858 	echo "A  epsilon/beta.link" >> $testroot/stdout.expected
1859 	echo "A  epsilon.link" >> $testroot/stdout.expected
1860 	echo "A  nonexistent.link" >> $testroot/stdout.expected
1861 	echo "A  passwd.link" >> $testroot/stdout.expected
1862 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1863 	git_show_head $testroot/repo >> $testroot/stdout.expected
1864 	echo >> $testroot/stdout.expected
1865 
1866 	(cd $testroot/wt && got update > $testroot/stdout)
1867 
1868 	cmp -s $testroot/stdout.expected $testroot/stdout
1869 	ret=$?
1870 	if [ $ret -ne 0 ]; then
1871 		diff -u $testroot/stdout.expected $testroot/stdout
1872 		test_done "$testroot" "$ret"
1873 		return 1
1874 	fi
1875 
1876 	if ! [ -h $testroot/wt/alpha.link ]; then
1877 		echo "alpha.link is not a symlink"
1878 		test_done "$testroot" "1"
1879 		return 1
1880 	fi
1881 
1882 	readlink $testroot/wt/alpha.link > $testroot/stdout
1883 	echo "alpha" > $testroot/stdout.expected
1884 	cmp -s $testroot/stdout.expected $testroot/stdout
1885 	ret=$?
1886 	if [ $ret -ne 0 ]; then
1887 		diff -u $testroot/stdout.expected $testroot/stdout
1888 		test_done "$testroot" "$ret"
1889 		return 1
1890 	fi
1891 
1892 	if ! [ -h $testroot/wt/epsilon.link ]; then
1893 		echo "epsilon.link is not a symlink"
1894 		test_done "$testroot" "1"
1895 		return 1
1896 	fi
1897 
1898 	readlink $testroot/wt/epsilon.link > $testroot/stdout
1899 	echo "epsilon" > $testroot/stdout.expected
1900 	cmp -s $testroot/stdout.expected $testroot/stdout
1901 	ret=$?
1902 	if [ $ret -ne 0 ]; then
1903 		diff -u $testroot/stdout.expected $testroot/stdout
1904 		test_done "$testroot" "$ret"
1905 		return 1
1906 	fi
1907 
1908 	if [ -h $testroot/wt/passwd.link ]; then
1909 		echo -n "passwd.link symlink points outside of work tree: " >&2
1910 		readlink $testroot/wt/passwd.link >&2
1911 		test_done "$testroot" "1"
1912 		return 1
1913 	fi
1914 
1915 	echo -n "/etc/passwd" > $testroot/content.expected
1916 	cp $testroot/wt/passwd.link $testroot/content
1917 
1918 	cmp -s $testroot/content.expected $testroot/content
1919 	ret=$?
1920 	if [ $ret -ne 0 ]; then
1921 		diff -u $testroot/content.expected $testroot/content
1922 		test_done "$testroot" "$ret"
1923 		return 1
1924 	fi
1925 
1926 	readlink $testroot/wt/epsilon/beta.link > $testroot/stdout
1927 	echo "../beta" > $testroot/stdout.expected
1928 	cmp -s $testroot/stdout.expected $testroot/stdout
1929 	ret=$?
1930 	if [ $ret -ne 0 ]; then
1931 		diff -u $testroot/stdout.expected $testroot/stdout
1932 		test_done "$testroot" "$ret"
1933 		return 1
1934 	fi
1935 
1936 	readlink $testroot/wt/nonexistent.link > $testroot/stdout
1937 	echo "nonexistent" > $testroot/stdout.expected
1938 	cmp -s $testroot/stdout.expected $testroot/stdout
1939 	ret=$?
1940 	if [ $ret -ne 0 ]; then
1941 		diff -u $testroot/stdout.expected $testroot/stdout
1942 		test_done "$testroot" "$ret"
1943 		return 1
1944 	fi
1945 
1946 	# Updating an up-to-date symlink should be a no-op.
1947 	echo 'Already up-to-date' > $testroot/stdout.expected
1948 	(cd $testroot/wt && got update > $testroot/stdout)
1949 	cmp -s $testroot/stdout.expected $testroot/stdout
1950 	ret=$?
1951 	if [ $ret -ne 0 ]; then
1952 		diff -u $testroot/stdout.expected $testroot/stdout
1953 	fi
1954 	test_done "$testroot" "$ret"
1955 }
1956 
1957 test_update_deletes_symlink() {
1958 	local testroot=`test_init update_deletes_symlink`
1959 
1960 	(cd $testroot/repo && ln -s alpha alpha.link)
1961 	(cd $testroot/repo && git add .)
1962 	git_commit $testroot/repo -m "add symlink"
1963 
1964 	got checkout $testroot/repo $testroot/wt > /dev/null
1965 	ret=$?
1966 	if [ $ret -ne 0 ]; then
1967 		echo "checkout failed unexpectedly" >&2
1968 		test_done "$testroot" "$ret"
1969 		return 1
1970 	fi
1971 
1972 	(cd $testroot/repo && git rm -q alpha.link)
1973 	git_commit $testroot/repo -m "delete symlink"
1974 
1975 	echo "D  alpha.link" > $testroot/stdout.expected
1976 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
1977 	git_show_head $testroot/repo >> $testroot/stdout.expected
1978 	echo >> $testroot/stdout.expected
1979 
1980 	(cd $testroot/wt && got update > $testroot/stdout)
1981 
1982 	cmp -s $testroot/stdout.expected $testroot/stdout
1983 	ret=$?
1984 	if [ $ret -ne 0 ]; then
1985 		diff -u $testroot/stdout.expected $testroot/stdout
1986 		test_done "$testroot" "$ret"
1987 		return 1
1988 	fi
1989 
1990 	if [ -e $testroot/wt/alpha.link ]; then
1991 		echo "alpha.link still exists on disk"
1992 		test_done "$testroot" "1"
1993 		return 1
1994 	fi
1995 
1996 	test_done "$testroot" "0"
1997 }
1998 
1999 test_update_symlink_conflicts() {
2000 	local testroot=`test_init update_symlink_conflicts`
2001 
2002 	(cd $testroot/repo && ln -s alpha alpha.link)
2003 	(cd $testroot/repo && ln -s epsilon epsilon.link)
2004 	(cd $testroot/repo && ln -s /etc/passwd passwd.link)
2005 	(cd $testroot/repo && ln -s ../beta epsilon/beta.link)
2006 	(cd $testroot/repo && ln -s nonexistent nonexistent.link)
2007 	(cd $testroot/repo && ln -sf epsilon/zeta zeta.link)
2008 	(cd $testroot/repo && git add .)
2009 	git_commit $testroot/repo -m "add symlinks"
2010 	local commit_id1=`git_show_head $testroot/repo`
2011 
2012 	got checkout $testroot/repo $testroot/wt > /dev/null
2013 	ret=$?
2014 	if [ $ret -ne 0 ]; then
2015 		echo "checkout failed unexpectedly" >&2
2016 		test_done "$testroot" "$ret"
2017 		return 1
2018 	fi
2019 
2020 	(cd $testroot/repo && ln -sf beta alpha.link)
2021 	(cd $testroot/repo && ln -sfh gamma epsilon.link)
2022 	(cd $testroot/repo && ln -sf ../gamma/delta epsilon/beta.link)
2023 	echo 'this is regular file foo' > $testroot/repo/dotgotfoo.link
2024 	(cd $testroot/repo && ln -sf .got/bar dotgotbar.link)
2025 	(cd $testroot/repo && git rm -q nonexistent.link)
2026 	(cd $testroot/repo && ln -sf gamma/delta zeta.link)
2027 	(cd $testroot/repo && ln -sf alpha new.link)
2028 	(cd $testroot/repo && git add .)
2029 	git_commit $testroot/repo -m "change symlinks"
2030 	local commit_id2=`git_show_head $testroot/repo`
2031 
2032 	# modified symlink to file A vs modified symlink to file B
2033 	(cd $testroot/wt && ln -sf gamma/delta alpha.link)
2034 	# modified symlink to dir A vs modified symlink to file B
2035 	(cd $testroot/wt && ln -sfh beta epsilon.link)
2036 	# modeified symlink to file A vs modified symlink to dir B
2037 	(cd $testroot/wt && ln -sfh ../gamma epsilon/beta.link)
2038 	# added regular file A vs added bad symlink to file A
2039 	(cd $testroot/wt && ln -sf .got/bar dotgotfoo.link)
2040 	(cd $testroot/wt && got add dotgotfoo.link > /dev/null)
2041 	# added bad symlink to file A vs added regular file A
2042 	echo 'this is regular file bar' > $testroot/wt/dotgotbar.link
2043 	(cd $testroot/wt && got add dotgotbar.link > /dev/null)
2044 	# removed symlink to non-existent file A vs modified symlink
2045 	# to nonexistent file B
2046 	(cd $testroot/wt && ln -sf nonexistent2 nonexistent.link)
2047 	# modified symlink to file A vs removed symlink to file A
2048 	(cd $testroot/wt && got rm zeta.link > /dev/null)
2049 	# added symlink to file A vs added symlink to file B
2050 	(cd $testroot/wt && ln -sf beta new.link)
2051 	(cd $testroot/wt && got add new.link > /dev/null)
2052 
2053 	(cd $testroot/wt && got update > $testroot/stdout)
2054 
2055 	echo "C  alpha.link" >> $testroot/stdout.expected
2056 	echo "C  dotgotbar.link" >> $testroot/stdout.expected
2057 	echo "C  dotgotfoo.link" >> $testroot/stdout.expected
2058 	echo "C  epsilon/beta.link" >> $testroot/stdout.expected
2059 	echo "C  epsilon.link" >> $testroot/stdout.expected
2060 	echo "C  new.link" >> $testroot/stdout.expected
2061 	echo "C  nonexistent.link" >> $testroot/stdout.expected
2062 	echo "G  zeta.link" >> $testroot/stdout.expected
2063 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
2064 	git_show_head $testroot/repo >> $testroot/stdout.expected
2065 	echo >> $testroot/stdout.expected
2066 	echo "Files with new merge conflicts: 7" >> $testroot/stdout.expected
2067 
2068 	cmp -s $testroot/stdout.expected $testroot/stdout
2069 	ret=$?
2070 	if [ $ret -ne 0 ]; then
2071 		diff -u $testroot/stdout.expected $testroot/stdout
2072 		test_done "$testroot" "$ret"
2073 		return 1
2074 	fi
2075 
2076 	if [ -h $testroot/wt/alpha.link ]; then
2077 		echo "alpha.link is a symlink"
2078 		test_done "$testroot" "1"
2079 		return 1
2080 	fi
2081 
2082 	echo "<<<<<<< merged change: commit $commit_id2" \
2083 		> $testroot/content.expected
2084 	echo "beta" >> $testroot/content.expected
2085 	echo "3-way merge base: commit $commit_id1" \
2086 		>> $testroot/content.expected
2087 	echo "alpha" >> $testroot/content.expected
2088 	echo "=======" >> $testroot/content.expected
2089 	echo "gamma/delta" >> $testroot/content.expected
2090 	echo '>>>>>>>' >> $testroot/content.expected
2091 	echo -n "" >> $testroot/content.expected
2092 
2093 	cp $testroot/wt/alpha.link $testroot/content
2094 	cmp -s $testroot/content.expected $testroot/content
2095 	ret=$?
2096 	if [ $ret -ne 0 ]; then
2097 		diff -u $testroot/content.expected $testroot/content
2098 		test_done "$testroot" "$ret"
2099 		return 1
2100 	fi
2101 
2102 	if [ -h $testroot/wt/epsilon.link ]; then
2103 		echo "epsilon.link is a symlink"
2104 		test_done "$testroot" "1"
2105 		return 1
2106 	fi
2107 
2108 	echo "<<<<<<< merged change: commit $commit_id2" \
2109 		> $testroot/content.expected
2110 	echo "gamma" >> $testroot/content.expected
2111 	echo "3-way merge base: commit $commit_id1" \
2112 		>> $testroot/content.expected
2113 	echo "epsilon" >> $testroot/content.expected
2114 	echo "=======" >> $testroot/content.expected
2115 	echo "beta" >> $testroot/content.expected
2116 	echo '>>>>>>>' >> $testroot/content.expected
2117 	echo -n "" >> $testroot/content.expected
2118 
2119 	cp $testroot/wt/epsilon.link $testroot/content
2120 	cmp -s $testroot/content.expected $testroot/content
2121 	ret=$?
2122 	if [ $ret -ne 0 ]; then
2123 		diff -u $testroot/content.expected $testroot/content
2124 		test_done "$testroot" "$ret"
2125 		return 1
2126 	fi
2127 
2128 	if [ -h $testroot/wt/passwd.link ]; then
2129 		echo -n "passwd.link symlink points outside of work tree: " >&2
2130 		readlink $testroot/wt/passwd.link >&2
2131 		test_done "$testroot" "1"
2132 		return 1
2133 	fi
2134 
2135 	echo -n "/etc/passwd" > $testroot/content.expected
2136 	cp $testroot/wt/passwd.link $testroot/content
2137 
2138 	cmp -s $testroot/content.expected $testroot/content
2139 	ret=$?
2140 	if [ $ret -ne 0 ]; then
2141 		diff -u $testroot/content.expected $testroot/content
2142 		test_done "$testroot" "$ret"
2143 		return 1
2144 	fi
2145 
2146 	if [ -h $testroot/wt/epsilon/beta.link ]; then
2147 		echo "epsilon/beta.link is a symlink"
2148 		test_done "$testroot" "1"
2149 		return 1
2150 	fi
2151 
2152 	echo "<<<<<<< merged change: commit $commit_id2" \
2153 		> $testroot/content.expected
2154 	echo "../gamma/delta" >> $testroot/content.expected
2155 	echo "3-way merge base: commit $commit_id1" \
2156 		>> $testroot/content.expected
2157 	echo "../beta" >> $testroot/content.expected
2158 	echo "=======" >> $testroot/content.expected
2159 	echo "../gamma" >> $testroot/content.expected
2160 	echo '>>>>>>>' >> $testroot/content.expected
2161 	echo -n "" >> $testroot/content.expected
2162 
2163 	cp $testroot/wt/epsilon/beta.link $testroot/content
2164 	cmp -s $testroot/content.expected $testroot/content
2165 	ret=$?
2166 	if [ $ret -ne 0 ]; then
2167 		diff -u $testroot/content.expected $testroot/content
2168 		test_done "$testroot" "$ret"
2169 		return 1
2170 	fi
2171 
2172 	if [ -h $testroot/wt/nonexistent.link ]; then
2173 		echo -n "nonexistent.link still exists on disk: " >&2
2174 		readlink $testroot/wt/nonexistent.link >&2
2175 		test_done "$testroot" "1"
2176 		return 1
2177 	fi
2178 
2179 	echo "<<<<<<< merged change: commit $commit_id2" \
2180 		> $testroot/content.expected
2181 	echo "(symlink was deleted)" >> $testroot/content.expected
2182 	echo "=======" >> $testroot/content.expected
2183 	echo "nonexistent2" >> $testroot/content.expected
2184 	echo '>>>>>>>' >> $testroot/content.expected
2185 	echo -n "" >> $testroot/content.expected
2186 
2187 	cp $testroot/wt/nonexistent.link $testroot/content
2188 	cmp -s $testroot/content.expected $testroot/content
2189 	ret=$?
2190 	if [ $ret -ne 0 ]; then
2191 		diff -u $testroot/content.expected $testroot/content
2192 		test_done "$testroot" "$ret"
2193 		return 1
2194 	fi
2195 
2196 	if [ -h $testroot/wt/dotgotfoo.link ]; then
2197 		echo "dotgotfoo.link is a symlink"
2198 		test_done "$testroot" "1"
2199 		return 1
2200 	fi
2201 
2202 	echo "<<<<<<< merged change: commit $commit_id2" \
2203 		> $testroot/content.expected
2204 	echo "this is regular file foo" >> $testroot/content.expected
2205 	echo "=======" >> $testroot/content.expected
2206 	echo -n ".got/bar" >> $testroot/content.expected
2207 	echo '>>>>>>>' >> $testroot/content.expected
2208 	echo -n "" >> $testroot/content.expected
2209 
2210 	cp $testroot/wt/dotgotfoo.link $testroot/content
2211 	cmp -s $testroot/content.expected $testroot/content
2212 	ret=$?
2213 	if [ $ret -ne 0 ]; then
2214 		diff -u $testroot/content.expected $testroot/content
2215 		test_done "$testroot" "$ret"
2216 		return 1
2217 	fi
2218 
2219 	if [ -h $testroot/wt/dotgotbar.link ]; then
2220 		echo "dotgotbar.link is a symlink"
2221 		test_done "$testroot" "1"
2222 		return 1
2223 	fi
2224 	echo "<<<<<<< merged change: commit $commit_id2" \
2225 		> $testroot/content.expected
2226 	echo -n ".got/bar" >> $testroot/content.expected
2227 	echo "=======" >> $testroot/content.expected
2228 	echo "this is regular file bar" >> $testroot/content.expected
2229 	echo '>>>>>>>' >> $testroot/content.expected
2230 	echo -n "" >> $testroot/content.expected
2231 
2232 	cp $testroot/wt/dotgotbar.link $testroot/content
2233 	cmp -s $testroot/content.expected $testroot/content
2234 	ret=$?
2235 	if [ $ret -ne 0 ]; then
2236 		diff -u $testroot/content.expected $testroot/content
2237 		test_done "$testroot" "$ret"
2238 		return 1
2239 	fi
2240 
2241 	if [ -h $testroot/wt/new.link ]; then
2242 		echo "new.link is a symlink"
2243 		test_done "$testroot" "1"
2244 		return 1
2245 	fi
2246 
2247 	echo "<<<<<<< merged change: commit $commit_id2" \
2248 		> $testroot/content.expected
2249 	echo "alpha" >> $testroot/content.expected
2250 	echo "=======" >> $testroot/content.expected
2251 	echo "beta" >> $testroot/content.expected
2252 	echo '>>>>>>>' >> $testroot/content.expected
2253 	echo -n "" >> $testroot/content.expected
2254 
2255 	cp $testroot/wt/new.link $testroot/content
2256 	cmp -s $testroot/content.expected $testroot/content
2257 	ret=$?
2258 	if [ $ret -ne 0 ]; then
2259 		diff -u $testroot/content.expected $testroot/content
2260 		test_done "$testroot" "$ret"
2261 		return 1
2262 	fi
2263 
2264 	echo "A  dotgotfoo.link" > $testroot/stdout.expected
2265 	echo "M  new.link" >> $testroot/stdout.expected
2266 	echo "D  nonexistent.link" >> $testroot/stdout.expected
2267 	(cd $testroot/wt && got status > $testroot/stdout)
2268 	ret=$?
2269 	if [ $ret -ne 0 ]; then
2270 		diff -u $testroot/stdout.expected $testroot/stdout
2271 		test_done "$testroot" "$ret"
2272 		return 1
2273 	fi
2274 
2275 	test_done "$testroot" "0"
2276 
2277 }
2278 
2279 test_update_single_file() {
2280 	local testroot=`test_init update_single_file 1`
2281 
2282 	echo c1 > $testroot/repo/c
2283 	(cd $testroot/repo && git add .)
2284 	git_commit $testroot/repo -m "adding file c"
2285 	local commit_id1=`git_show_head $testroot/repo`
2286 
2287 	echo a > $testroot/repo/a
2288 	echo b > $testroot/repo/b
2289 	echo c2 > $testroot/repo/c
2290 	(cd $testroot/repo && git add .)
2291 	git_commit $testroot/repo -m "add files a and b, change c"
2292 	local commit_id2=`git_show_head $testroot/repo`
2293 
2294 	(cd $testroot/repo && git rm -qf c)
2295 	git_commit $testroot/repo -m "remove file c"
2296 	local commit_id3=`git_show_head $testroot/repo`
2297 
2298 	got checkout -c $commit_id2 $testroot/repo $testroot/wt > /dev/null
2299 	ret=$?
2300 	if [ $ret -ne 0 ]; then
2301 		test_done "$testroot" "$ret"
2302 		return 1
2303 	fi
2304 
2305 	echo "U  c" > $testroot/stdout.expected
2306 	echo "Updated to refs/heads/master: $commit_id1" \
2307 		>> $testroot/stdout.expected
2308 
2309 	(cd $testroot/wt && got update -c $commit_id1 c \
2310 		> $testroot/stdout)
2311 
2312 	cmp -s $testroot/stdout.expected $testroot/stdout
2313 	ret=$?
2314 	if [ $ret -ne 0 ]; then
2315 		diff -u $testroot/stdout.expected $testroot/stdout
2316 		test_done "$testroot" "$ret"
2317 		return 1
2318 	fi
2319 
2320 	echo c1 > $testroot/content.expected
2321 	cat $testroot/wt/c > $testroot/content
2322 
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 	echo "U  c" > $testroot/stdout.expected
2332 	echo "Updated to refs/heads/master: $commit_id2" \
2333 		>> $testroot/stdout.expected
2334 
2335 	(cd $testroot/wt && got update -c $commit_id2 c > $testroot/stdout)
2336 
2337 	cmp -s $testroot/stdout.expected $testroot/stdout
2338 	ret=$?
2339 	if [ $ret -ne 0 ]; then
2340 		diff -u $testroot/stdout.expected $testroot/stdout
2341 		test_done "$testroot" "$ret"
2342 		return 1
2343 	fi
2344 
2345 	echo c2 > $testroot/content.expected
2346 	cat $testroot/wt/c > $testroot/content
2347 
2348 	cmp -s $testroot/content.expected $testroot/content
2349 	ret=$?
2350 	if [ $ret -ne 0 ]; then
2351 		diff -u $testroot/content.expected $testroot/content
2352 		test_done "$testroot" "$ret"
2353 		return 1
2354 	fi
2355 
2356 	echo "D  c" > $testroot/stdout.expected
2357 	echo "Updated to refs/heads/master: $commit_id3" \
2358 		>> $testroot/stdout.expected
2359 
2360 	(cd $testroot/wt && got update -c $commit_id3 c \
2361 		> $testroot/stdout 2> $testroot/stderr)
2362 
2363 	echo "got: /c: no such entry found in tree" > $testroot/stderr.expected
2364 	cmp -s $testroot/stderr.expected $testroot/stderr
2365 	ret=$?
2366 	if [ $ret -ne 0 ]; then
2367 		diff -u $testroot/stderr.expected $testroot/stderr
2368 		test_done "$testroot" "$ret"
2369 		return 1
2370 	fi
2371 
2372 	echo -n > $testroot/stdout.expected
2373 	cmp -s $testroot/stdout.expected $testroot/stdout
2374 	ret=$?
2375 	if [ $ret -ne 0 ]; then
2376 		diff -u $testroot/stdout.expected $testroot/stdout
2377 		test_done "$testroot" "$ret"
2378 		return 1
2379 	fi
2380 
2381 	echo "D  c" > $testroot/stdout.expected
2382 	echo "Updated to refs/heads/master: $commit_id3" \
2383 		>> $testroot/stdout.expected
2384 
2385 	(cd $testroot/wt && got update -c $commit_id3 > $testroot/stdout)
2386 	cmp -s $testroot/stdout.expected $testroot/stdout
2387 	ret=$?
2388 	if [ $ret -ne 0 ]; then
2389 		diff -u $testroot/stdout.expected $testroot/stdout
2390 		test_done "$testroot" "$ret"
2391 		return 1
2392 	fi
2393 
2394 	if [ -e $testroot/wt/c ]; then
2395 		echo "removed file c still exists on disk" >&2
2396 		test_done "$testroot" "1"
2397 		return 1
2398 	fi
2399 
2400 	test_done "$testroot" "0"
2401 	return 0
2402 }
2403 
2404 test_update_file_skipped_due_to_conflict() {
2405 	local testroot=`test_init update_file_skipped_due_to_conflict`
2406 	local commit_id0=`git_show_head $testroot/repo`
2407 	blob_id0=`get_blob_id $testroot/repo "" beta`
2408 
2409 	echo "changed beta" > $testroot/repo/beta
2410 	git_commit $testroot/repo -m "changed beta"
2411 	local commit_id1=`git_show_head $testroot/repo`
2412 	blob_id1=`get_blob_id $testroot/repo "" beta`
2413 
2414 	got checkout $testroot/repo $testroot/wt > /dev/null
2415 	ret=$?
2416 	if [ $ret -ne 0 ]; then
2417 		test_done "$testroot" "$ret"
2418 		return 1
2419 	fi
2420 
2421 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2422 		cut -d ':' -f 2 | tr -d ' ')`
2423 	if [ "$blob_id" != "$blob_id1" ]; then
2424 		echo "file beta has the wrong base blob ID" >&2
2425 		test_done "$testroot" "1"
2426 		return 1
2427 	fi
2428 
2429 	commit_id=`(cd $testroot/wt && got info beta | \
2430 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2431 	if [ "$commit_id" != "$commit_id1" ]; then
2432 		echo "file beta has the wrong base commit ID" >&2
2433 		test_done "$testroot" "1"
2434 		return 1
2435 	fi
2436 
2437 	echo "modified beta" > $testroot/wt/beta
2438 
2439 	(cd $testroot/wt && got update -c $commit_id0 > $testroot/stdout)
2440 
2441 	echo "C  beta" > $testroot/stdout.expected
2442 	echo "Updated to refs/heads/master: $commit_id0" \
2443 		>> $testroot/stdout.expected
2444 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
2445 	cmp -s $testroot/stdout.expected $testroot/stdout
2446 	ret=$?
2447 	if [ $ret -ne 0 ]; then
2448 		diff -u $testroot/stdout.expected $testroot/stdout
2449 		test_done "$testroot" "$ret"
2450 		return 1
2451 	fi
2452 
2453 	echo "<<<<<<< merged change: commit $commit_id0" \
2454 		> $testroot/content.expected
2455 	echo "beta" >> $testroot/content.expected
2456 	echo "||||||| 3-way merge base: commit $commit_id1" \
2457 		>> $testroot/content.expected
2458 	echo "changed beta" >> $testroot/content.expected
2459 	echo "=======" >> $testroot/content.expected
2460 	echo "modified beta" >> $testroot/content.expected
2461 	echo ">>>>>>>" >> $testroot/content.expected
2462 
2463 	cat $testroot/wt/beta > $testroot/content
2464 
2465 	cmp -s $testroot/content.expected $testroot/content
2466 	ret=$?
2467 	if [ $ret -ne 0 ]; then
2468 		diff -u $testroot/content.expected $testroot/content
2469 		test_done "$testroot" "$ret"
2470 		return 1
2471 	fi
2472 
2473 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2474 		cut -d ':' -f 2 | tr -d ' ')`
2475 	if [ "$blob_id" != "$blob_id0" ]; then
2476 		echo "file beta has the wrong base blob ID" >&2
2477 		test_done "$testroot" "1"
2478 		return 1
2479 	fi
2480 
2481 	commit_id=`(cd $testroot/wt && got info beta | \
2482 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2483 	if [ "$commit_id" != "$commit_id0" ]; then
2484 		echo "file beta has the wrong base commit ID" >&2
2485 		test_done "$testroot" "1"
2486 		return 1
2487 	fi
2488 
2489 	# update to the latest commit again; this skips beta
2490 	(cd $testroot/wt && got update > $testroot/stdout)
2491 	echo "#  beta" > $testroot/stdout.expected
2492 	echo "Updated to refs/heads/master: $commit_id1" \
2493 		>> $testroot/stdout.expected
2494 	echo "Files not updated because of existing merge conflicts: 1" \
2495 		>> $testroot/stdout.expected
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 	# blob ID of beta should not have changed
2505 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2506 		cut -d ':' -f 2 | tr -d ' ')`
2507 	if [ "$blob_id" != "$blob_id0" ]; then
2508 		echo "file beta has the wrong base blob ID" >&2
2509 		test_done "$testroot" "1"
2510 		return 1
2511 	fi
2512 
2513 	# commit ID of beta should not have changed; There was a bug
2514 	# here where the commit ID had been changed even though the
2515 	# file was not updated.
2516 	commit_id=`(cd $testroot/wt && got info beta | \
2517 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2518 	if [ "$commit_id" != "$commit_id0" ]; then
2519 		echo "file beta has the wrong base commit ID: $commit_id" >&2
2520 		test_done "$testroot" "1"
2521 		return 1
2522 	fi
2523 
2524 	# beta is still conflicted and based on commit 0
2525 	echo 'C  beta' > $testroot/stdout.expected
2526 	(cd $testroot/wt && got status > $testroot/stdout)
2527 	cmp -s $testroot/stdout.expected $testroot/stdout
2528 	ret=$?
2529 	if [ $ret -ne 0 ]; then
2530 		diff -u $testroot/stdout.expected $testroot/stdout
2531 		test_done "$testroot" "$ret"
2532 		return 1
2533 	fi
2534 
2535 	# resolve the conflict via revert
2536 	(cd $testroot/wt && got revert beta >/dev/null)
2537 
2538 	# beta now matches its base blob which is still from commit 0
2539 	echo "beta" > $testroot/content.expected
2540 	cat $testroot/wt/beta > $testroot/content
2541 	cmp -s $testroot/content.expected $testroot/content
2542 	ret=$?
2543 	if [ $ret -ne 0 ]; then
2544 		diff -u $testroot/content.expected $testroot/content
2545 		test_done "$testroot" "$ret"
2546 		return 1
2547 	fi
2548 
2549 	# updating to the latest commit should now update beta
2550 	(cd $testroot/wt && got update > $testroot/stdout)
2551 	echo "U  beta" > $testroot/stdout.expected
2552 	echo "Updated to refs/heads/master: $commit_id1" \
2553 		>> $testroot/stdout.expected
2554 	cmp -s $testroot/stdout.expected $testroot/stdout
2555 	ret=$?
2556 	if [ $ret -ne 0 ]; then
2557 		diff -u $testroot/stdout.expected $testroot/stdout
2558 		test_done "$testroot" "$ret"
2559 		return 1
2560 	fi
2561 
2562 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2563 		cut -d ':' -f 2 | tr -d ' ')`
2564 	if [ "$blob_id" != "$blob_id1" ]; then
2565 		echo "file beta has the wrong base blob ID" >&2
2566 		test_done "$testroot" "1"
2567 		return 1
2568 	fi
2569 
2570 	commit_id=`(cd $testroot/wt && got info beta | \
2571 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2572 	if [ "$commit_id" != "$commit_id1" ]; then
2573 		echo "file beta has the wrong base commit ID: $commit_id" >&2
2574 		test_done "$testroot" "1"
2575 		return 1
2576 	fi
2577 
2578 	echo "changed beta" > $testroot/content.expected
2579 	cat $testroot/wt/beta > $testroot/content
2580 	cmp -s $testroot/content.expected $testroot/content
2581 	ret=$?
2582 	if [ $ret -ne 0 ]; then
2583 		diff -u $testroot/content.expected $testroot/content
2584 	fi
2585 	test_done "$testroot" "$ret"
2586 }
2587 
2588 test_update_file_skipped_due_to_obstruction() {
2589 	local testroot=`test_init update_file_skipped_due_to_obstruction`
2590 	local commit_id0=`git_show_head $testroot/repo`
2591 	blob_id0=`get_blob_id $testroot/repo "" beta`
2592 
2593 	echo "changed beta" > $testroot/repo/beta
2594 	echo "new file" > $testroot/repo/new
2595 	(cd $testroot/repo && git add new)
2596 	git_commit $testroot/repo -m "changed beta"
2597 	local commit_id1=`git_show_head $testroot/repo`
2598 	blob_id1=`get_blob_id $testroot/repo "" beta`
2599 
2600 	got checkout -c $commit_id0 $testroot/repo $testroot/wt > /dev/null
2601 	ret=$?
2602 	if [ $ret -ne 0 ]; then
2603 		test_done "$testroot" "$ret"
2604 		return 1
2605 	fi
2606 
2607 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2608 		cut -d ':' -f 2 | tr -d ' ')`
2609 	if [ "$blob_id" != "$blob_id0" ]; then
2610 		echo "file beta has the wrong base blob ID" >&2
2611 		test_done "$testroot" "1"
2612 		return 1
2613 	fi
2614 
2615 	commit_id=`(cd $testroot/wt && got info beta | \
2616 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2617 	if [ "$commit_id" != "$commit_id0" ]; then
2618 		echo "file beta has the wrong base commit ID" >&2
2619 		test_done "$testroot" "1"
2620 		return 1
2621 	fi
2622 
2623 	rm $testroot/wt/beta
2624 	mkdir -p $testroot/wt/beta/psi
2625 	mkdir -p $testroot/wt/new
2626 
2627 	# update to the latest commit; this skips beta and the new file
2628 	(cd $testroot/wt && got update > $testroot/stdout)
2629 	ret=$?
2630 	if [ $ret -ne 0 ]; then
2631 		echo "update failed unexpectedly" >&2
2632 		test_done "$testroot" "1"
2633 		return 1
2634 	fi
2635 
2636 	echo "~  beta" > $testroot/stdout.expected
2637 	echo "~  new" >> $testroot/stdout.expected
2638 	echo "Updated to refs/heads/master: $commit_id1" \
2639 		>> $testroot/stdout.expected
2640 	echo "File paths obstructed by a non-regular file: 2" \
2641 		>> $testroot/stdout.expected
2642 	cmp -s $testroot/stdout.expected $testroot/stdout
2643 	ret=$?
2644 	if [ $ret -ne 0 ]; then
2645 		diff -u $testroot/stdout.expected $testroot/stdout
2646 		test_done "$testroot" "$ret"
2647 		return 1
2648 	fi
2649 
2650 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2651 		cut -d ':' -f 2 | tr -d ' ')`
2652 	if [ "$blob_id" != "$blob_id0" ]; then
2653 		echo "file beta has the wrong base blob ID" >&2
2654 		test_done "$testroot" "1"
2655 		return 1
2656 	fi
2657 
2658 	commit_id=`(cd $testroot/wt && got info beta | \
2659 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2660 	if [ "$commit_id" != "$commit_id0" ]; then
2661 		echo "file beta has the wrong base commit ID" >&2
2662 		test_done "$testroot" "1"
2663 		return 1
2664 	fi
2665 
2666 	# remove the directory which obstructs file beta
2667 	rm -r $testroot/wt/beta
2668 
2669 	# updating to the latest commit should now update beta
2670 	(cd $testroot/wt && got update > $testroot/stdout)
2671 	echo "!  beta" > $testroot/stdout.expected
2672 	echo "~  new" >> $testroot/stdout.expected
2673 	echo "Updated to refs/heads/master: $commit_id1" \
2674 		>> $testroot/stdout.expected
2675 	echo "File paths obstructed by a non-regular file: 1" \
2676 		>> $testroot/stdout.expected
2677 	cmp -s $testroot/stdout.expected $testroot/stdout
2678 	ret=$?
2679 	if [ $ret -ne 0 ]; then
2680 		diff -u $testroot/stdout.expected $testroot/stdout
2681 		test_done "$testroot" "$ret"
2682 		return 1
2683 	fi
2684 
2685 	blob_id=`(cd $testroot/wt && got info beta | grep 'blob:' | \
2686 		cut -d ':' -f 2 | tr -d ' ')`
2687 	if [ "$blob_id" != "$blob_id1" ]; then
2688 		echo "file beta has the wrong base blob ID" >&2
2689 		test_done "$testroot" "1"
2690 		return 1
2691 	fi
2692 
2693 	commit_id=`(cd $testroot/wt && got info beta | \
2694 		grep 'based on commit:' | cut -d ':' -f 2 | tr -d ' ')`
2695 	if [ "$commit_id" != "$commit_id1" ]; then
2696 		echo "file beta has the wrong base commit ID: $commit_id" >&2
2697 		test_done "$testroot" "1"
2698 		return 1
2699 	fi
2700 
2701 	echo "changed beta" > $testroot/content.expected
2702 	cat $testroot/wt/beta > $testroot/content
2703 	cmp -s $testroot/content.expected $testroot/content
2704 	ret=$?
2705 	if [ $ret -ne 0 ]; then
2706 		diff -u $testroot/content.expected $testroot/content
2707 	fi
2708 	test_done "$testroot" "$ret"
2709 }
2710 
2711 test_update_quiet() {
2712 	local testroot=`test_init update_quiet`
2713 
2714 	got checkout $testroot/repo $testroot/wt > /dev/null
2715 	ret=$?
2716 	if [ $ret -ne 0 ]; then
2717 		test_done "$testroot" "$ret"
2718 		return 1
2719 	fi
2720 
2721 	echo "modified alpha" > $testroot/repo/alpha
2722 	git_commit $testroot/repo -m "modified alpha"
2723 
2724 	echo -n "Updated to refs/heads/master: " >> $testroot/stdout.expected
2725 	git_show_head $testroot/repo >> $testroot/stdout.expected
2726 	echo >> $testroot/stdout.expected
2727 
2728 	(cd $testroot/wt && got update -q > $testroot/stdout)
2729 
2730 	cmp -s $testroot/stdout.expected $testroot/stdout
2731 	ret=$?
2732 	if [ $ret -ne 0 ]; then
2733 		diff -u $testroot/stdout.expected $testroot/stdout
2734 		test_done "$testroot" "$ret"
2735 		return 1
2736 	fi
2737 
2738 	echo "modified alpha" > $testroot/content.expected
2739 	cat $testroot/wt/alpha > $testroot/content
2740 
2741 	cmp -s $testroot/content.expected $testroot/content
2742 	ret=$?
2743 	if [ $ret -ne 0 ]; then
2744 		diff -u $testroot/content.expected $testroot/content
2745 	fi
2746 	test_done "$testroot" "$ret"
2747 }
2748 
2749 test_update_binary_file() {
2750 	local testroot=`test_init update_binary_file`
2751 	local commit_id0=`git_show_head $testroot/repo`
2752 
2753 	got checkout $testroot/repo $testroot/wt > /dev/null
2754 	ret=$?
2755 	if [ $ret -ne 0 ]; then
2756 		test_done "$testroot" "$ret"
2757 		return 1
2758 	fi
2759 
2760 	cp /bin/ls $testroot/wt/foo
2761 	chmod 755 $testroot/wt/foo
2762 	(cd $testroot/wt && got add foo >/dev/null)
2763 	(cd $testroot/wt && got commit -m 'add binary file' > /dev/null)
2764 	local commit_id1=`git_show_head $testroot/repo`
2765 
2766 	cp /bin/cat $testroot/wt/foo
2767 	chmod 755 $testroot/wt/foo
2768 	(cd $testroot/wt && got commit -m 'change binary file' > /dev/null)
2769 	local commit_id2=`git_show_head $testroot/repo`
2770 
2771 	cp /bin/cp $testroot/wt/foo
2772 	chmod 755 $testroot/wt/foo
2773 	(cd $testroot/wt && got commit -m 'change binary file' > /dev/null)
2774 	local commit_id3=`git_show_head $testroot/repo`
2775 
2776 	(cd $testroot/wt && got rm foo >/dev/null)
2777 	(cd $testroot/wt && got commit -m 'remove binary file' > /dev/null)
2778 	local commit_id4=`git_show_head $testroot/repo`
2779 
2780 	# backdate the work tree to make it usable for updating
2781 	(cd $testroot/wt && got up -c $commit_id0 > /dev/null)
2782 
2783 	# update which adds a binary file
2784 	(cd $testroot/wt && got up -c $commit_id1 > $testroot/stdout)
2785 
2786 	echo "A  foo" > $testroot/stdout.expected
2787 	echo -n "Updated to refs/heads/master: $commit_id1" \
2788 		>> $testroot/stdout.expected
2789 	echo >> $testroot/stdout.expected
2790 	cmp -s $testroot/stdout.expected $testroot/stdout
2791 	ret=$?
2792 	if [ $ret -ne 0 ]; then
2793 		diff -u $testroot/stdout.expected $testroot/stdout
2794 		test_done "$testroot" "$ret"
2795 		return 1
2796 	fi
2797 
2798 	cp /bin/ls $testroot/content.expected
2799 	chmod 755 $testroot/content.expected
2800 	cat $testroot/wt/foo > $testroot/content
2801 
2802 	cmp -s $testroot/content.expected $testroot/content
2803 	ret=$?
2804 	if [ $ret -ne 0 ]; then
2805 		diff -u $testroot/content.expected $testroot/content
2806 		test_done "$testroot" "$ret"
2807 		return 1
2808 	fi
2809 
2810 	# update which adds a conflicting binary file
2811 	(cd $testroot/wt && got up -c $commit_id0 > /dev/null)
2812 	cp /bin/cat $testroot/wt/foo
2813 	chmod 755 $testroot/wt/foo
2814 	(cd $testroot/wt && got add foo > /dev/null)
2815 	(cd $testroot/wt && got up -c $commit_id1 > $testroot/stdout)
2816 
2817 	echo "C  foo" > $testroot/stdout.expected
2818 	echo "Updated to refs/heads/master: $commit_id1" \
2819 		>> $testroot/stdout.expected
2820 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
2821 	cmp -s $testroot/stdout.expected $testroot/stdout
2822 	ret=$?
2823 	if [ $ret -ne 0 ]; then
2824 		diff -u $testroot/stdout.expected $testroot/stdout
2825 		test_done "$testroot" "$ret"
2826 		return 1
2827 	fi
2828 
2829 	echo "Binary files differ and cannot be merged automatically:" \
2830 		> $testroot/content.expected
2831 	echo "<<<<<<< merged change: commit $commit_id1" \
2832 		>> $testroot/content.expected
2833 	echo -n "file " >> $testroot/content.expected
2834 	ls $testroot/wt/foo-1-* >> $testroot/content.expected
2835 	echo '=======' >> $testroot/content.expected
2836 	echo -n "file " >> $testroot/content.expected
2837 	ls $testroot/wt/foo-2-* >> $testroot/content.expected
2838 	echo ">>>>>>>" >> $testroot/content.expected
2839 	cat $testroot/wt/foo > $testroot/content
2840 
2841 	cmp -s $testroot/content.expected $testroot/content
2842 	ret=$?
2843 	if [ $ret -ne 0 ]; then
2844 		diff -u $testroot/content.expected $testroot/content
2845 		test_done "$testroot" "$ret"
2846 		return 1
2847 	fi
2848 
2849 	cp /bin/ls $testroot/content.expected
2850 	chmod 755 $testroot/content.expected
2851 	cat $testroot/wt/foo-1-* > $testroot/content
2852 
2853 	cmp -s $testroot/content.expected $testroot/content
2854 	ret=$?
2855 	if [ $ret -ne 0 ]; then
2856 		diff -u $testroot/content.expected $testroot/content
2857 		test_done "$testroot" "$ret"
2858 		return 1
2859 	fi
2860 
2861 	cp /bin/cat $testroot/content.expected
2862 	chmod 755 $testroot/content.expected
2863 	cat $testroot/wt/foo-2-* > $testroot/content
2864 
2865 	cmp -s $testroot/content.expected $testroot/content
2866 	ret=$?
2867 	if [ $ret -ne 0 ]; then
2868 		diff -u $testroot/content.expected $testroot/content
2869 		test_done "$testroot" "$ret"
2870 		return 1
2871 	fi
2872 
2873 	# tidy up
2874 	(cd $testroot/wt && got revert -R . >/dev/null)
2875 	rm $testroot/wt/foo-1-* $testroot/wt/foo-2-*
2876 	(cd $testroot/wt && got up -c $commit_id1 > /dev/null)
2877 
2878 	# update which changes a binary file
2879 	(cd $testroot/wt && got up -c $commit_id2 > $testroot/stdout)
2880 
2881 	echo "U  foo" > $testroot/stdout.expected
2882 	echo -n "Updated to refs/heads/master: $commit_id2" \
2883 		>> $testroot/stdout.expected
2884 	echo >> $testroot/stdout.expected
2885 	cmp -s $testroot/stdout.expected $testroot/stdout
2886 	ret=$?
2887 	if [ $ret -ne 0 ]; then
2888 		diff -u $testroot/stdout.expected $testroot/stdout
2889 		test_done "$testroot" "$ret"
2890 		return 1
2891 	fi
2892 
2893 	cp /bin/cat $testroot/content.expected
2894 	chmod 755 $testroot/content.expected
2895 	cat $testroot/wt/foo > $testroot/content
2896 
2897 	cmp -s $testroot/content.expected $testroot/content
2898 	ret=$?
2899 	if [ $ret -ne 0 ]; then
2900 		diff -u $testroot/content.expected $testroot/content
2901 		test_done "$testroot" "$ret"
2902 		return 1
2903 	fi
2904 
2905 	# update which changes a locally modified binary file
2906 	cp /bin/ls $testroot/wt/foo
2907 	chmod 755 $testroot/wt/foo
2908 	(cd $testroot/wt && got up -c $commit_id3 > $testroot/stdout)
2909 
2910 	echo "C  foo" > $testroot/stdout.expected
2911 	echo -n "Updated to refs/heads/master: $commit_id3" \
2912 		>> $testroot/stdout.expected
2913 	echo >> $testroot/stdout.expected
2914 	echo "Files with new merge conflicts: 1" >> $testroot/stdout.expected
2915 	cmp -s $testroot/stdout.expected $testroot/stdout
2916 	ret=$?
2917 	if [ $ret -ne 0 ]; then
2918 		diff -u $testroot/stdout.expected $testroot/stdout
2919 		test_done "$testroot" "$ret"
2920 		return 1
2921 	fi
2922 
2923 	echo "Binary files differ and cannot be merged automatically:" \
2924 		> $testroot/content.expected
2925 	echo "<<<<<<< merged change: commit $commit_id3" \
2926 		>> $testroot/content.expected
2927 	echo -n "file " >> $testroot/content.expected
2928 	ls $testroot/wt/foo-1-* >> $testroot/content.expected
2929 	echo "||||||| 3-way merge base: commit $commit_id2" \
2930 		>> $testroot/content.expected
2931 	echo -n "file " >> $testroot/content.expected
2932 	ls $testroot/wt/foo-orig-* >> $testroot/content.expected
2933 	echo '=======' >> $testroot/content.expected
2934 	echo -n "file " >> $testroot/content.expected
2935 	ls $testroot/wt/foo-2-* >> $testroot/content.expected
2936 	echo ">>>>>>>" >> $testroot/content.expected
2937 	cat $testroot/wt/foo > $testroot/content
2938 
2939 	cmp -s $testroot/content.expected $testroot/content
2940 	ret=$?
2941 	if [ $ret -ne 0 ]; then
2942 		diff -u $testroot/content.expected $testroot/content
2943 		test_done "$testroot" "$ret"
2944 		return 1
2945 	fi
2946 
2947 	cp /bin/cp $testroot/content.expected
2948 	chmod 755 $testroot/content.expected
2949 	cp $testroot/wt/foo-1-* $testroot/content
2950 	cmp -s $testroot/content.expected $testroot/content
2951 	ret=$?
2952 	if [ $ret -ne 0 ]; then
2953 		diff -u $testroot/content.expected $testroot/content
2954 		test_done "$testroot" "$ret"
2955 		return 1
2956 	fi
2957 
2958 	cp /bin/ls $testroot/content.expected
2959 	chmod 755 $testroot/content.expected
2960 	cp $testroot/wt/foo-2-* $testroot/content
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 	(cd $testroot/wt && got status > $testroot/stdout)
2970 	echo 'C  foo' > $testroot/stdout.expected
2971 	echo -n '?  ' >> $testroot/stdout.expected
2972 	(cd $testroot/wt && ls foo-1-* >> $testroot/stdout.expected)
2973 	echo -n '?  ' >> $testroot/stdout.expected
2974 	(cd $testroot/wt && ls foo-2-* >> $testroot/stdout.expected)
2975 	echo -n '?  ' >> $testroot/stdout.expected
2976 	(cd $testroot/wt && ls foo-orig-* >> $testroot/stdout.expected)
2977 	cmp -s $testroot/stdout.expected $testroot/stdout
2978 	ret=$?
2979 	if [ $ret -ne 0 ]; then
2980 		diff -u $testroot/stdout.expected $testroot/stdout
2981 		test_done "$testroot" "$ret"
2982 		return 1
2983 	fi
2984 
2985 	# tidy up
2986 	(cd $testroot/wt && got revert -R . > /dev/null)
2987 	rm $testroot/wt/foo-orig-* $testroot/wt/foo-1-* $testroot/wt/foo-2-*
2988 
2989 	# update which deletes a binary file
2990 	(cd $testroot/wt && got up -c $commit_id4 > $testroot/stdout)
2991 	echo "D  foo" > $testroot/stdout.expected
2992 	echo -n "Updated to refs/heads/master: $commit_id4" \
2993 		>> $testroot/stdout.expected
2994 	echo >> $testroot/stdout.expected
2995 	cmp -s $testroot/stdout.expected $testroot/stdout
2996 	ret=$?
2997 	if [ $ret -ne 0 ]; then
2998 		diff -u $testroot/stdout.expected $testroot/stdout
2999 		test_done "$testroot" "$ret"
3000 	fi
3001 
3002 	if [ -e $testroot/wt/foo ]; then
3003 		echo "removed file foo still exists on disk" >&2
3004 		test_done "$testroot" "1"
3005 		return 1
3006 	fi
3007 	test_done "$testroot" "0"
3008 }
3009 
3010 test_parseargs "$@"
3011 run_test test_update_basic
3012 run_test test_update_adds_file
3013 run_test test_update_deletes_file
3014 run_test test_update_deletes_dir
3015 run_test test_update_deletes_dir_with_path_prefix
3016 run_test test_update_deletes_dir_recursively
3017 run_test test_update_sibling_dirs_with_common_prefix
3018 run_test test_update_dir_with_dot_sibling
3019 run_test test_update_moves_files_upwards
3020 run_test test_update_moves_files_to_new_dir
3021 run_test test_update_creates_missing_parent
3022 run_test test_update_creates_missing_parent_with_subdir
3023 run_test test_update_file_in_subsubdir
3024 run_test test_update_merges_file_edits
3025 run_test test_update_keeps_xbit
3026 run_test test_update_clears_xbit
3027 run_test test_update_restores_missing_file
3028 run_test test_update_conflict_wt_add_vs_repo_add
3029 run_test test_update_conflict_wt_edit_vs_repo_rm
3030 run_test test_update_conflict_wt_rm_vs_repo_edit
3031 run_test test_update_conflict_wt_rm_vs_repo_rm
3032 run_test test_update_partial
3033 run_test test_update_partial_add
3034 run_test test_update_partial_rm
3035 run_test test_update_partial_dir
3036 run_test test_update_moved_branch_ref
3037 run_test test_update_to_another_branch
3038 run_test test_update_to_commit_on_wrong_branch
3039 run_test test_update_bumps_base_commit_id
3040 run_test test_update_tag
3041 run_test test_update_toggles_xbit
3042 run_test test_update_preserves_conflicted_file
3043 run_test test_update_modified_submodules
3044 run_test test_update_adds_submodule
3045 run_test test_update_conflict_wt_file_vs_repo_submodule
3046 run_test test_update_adds_symlink
3047 run_test test_update_deletes_symlink
3048 run_test test_update_symlink_conflicts
3049 run_test test_update_single_file
3050 run_test test_update_file_skipped_due_to_conflict
3051 run_test test_update_file_skipped_due_to_obstruction
3052 run_test test_update_quiet
3053 run_test test_update_binary_file