1 /*
2  * Copyright (c) 2017 Martin Pieuchot <mpi@openbsd.org>
3  * Copyright (c) 2018, 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 
18 #include <sys/queue.h>
19 #include <sys/limits.h>
20 #include <sys/types.h>
21 #include <sys/stat.h>
22 
23 #include <err.h>
24 #include <errno.h>
25 #include <locale.h>
26 #include <signal.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <unistd.h>
31 #include <libgen.h>
32 #include <time.h>
33 
34 #include "got_error.h"
35 #include "got_object.h"
36 #include "got_reference.h"
37 #include "got_repository.h"
38 #include "got_worktree.h"
39 #include "got_diff.h"
40 #include "got_commit_graph.h"
41 #include "got_blame.h"
42 #include "got_privsep.h"
43 
44 #ifndef nitems
45 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
46 #endif
47 
48 static volatile sig_atomic_t sigint_received;
49 static volatile sig_atomic_t sigpipe_received;
50 
51 static void
52 catch_sigint(int signo)
53 {
54 	sigint_received = 1;
55 }
56 
57 static void
58 catch_sigpipe(int signo)
59 {
60 	sigpipe_received = 1;
61 }
62 
63 
64 struct cmd {
65 	const char	 *cmd_name;
66 	const struct got_error *(*cmd_main)(int, char *[]);
67 	void		(*cmd_usage)(void);
68 	const char	 *cmd_descr;
69 };
70 
71 __dead static void	usage(void);
72 __dead static void	usage_checkout(void);
73 __dead static void	usage_update(void);
74 __dead static void	usage_log(void);
75 __dead static void	usage_diff(void);
76 __dead static void	usage_blame(void);
77 __dead static void	usage_tree(void);
78 __dead static void	usage_status(void);
79 
80 static const struct got_error*		cmd_checkout(int, char *[]);
81 static const struct got_error*		cmd_update(int, char *[]);
82 static const struct got_error*		cmd_log(int, char *[]);
83 static const struct got_error*		cmd_diff(int, char *[]);
84 static const struct got_error*		cmd_blame(int, char *[]);
85 static const struct got_error*		cmd_tree(int, char *[]);
86 static const struct got_error*		cmd_status(int, char *[]);
87 
88 static struct cmd got_commands[] = {
89 	{ "checkout",	cmd_checkout,	usage_checkout,
90 	    "check out a new work tree from a repository" },
91 	{ "update",	cmd_update,	usage_update,
92 	    "update a work tree to a different commit" },
93 	{ "log",	cmd_log,	usage_log,
94 	    "show repository history" },
95 	{ "diff",	cmd_diff,	usage_diff,
96 	    "compare files and directories" },
97 	{ "blame",	cmd_blame,	usage_blame,
98 	    " show when lines in a file were changed" },
99 	{ "tree",	cmd_tree,	usage_tree,
100 	    " list files and directories in repository" },
101 	{ "status",	cmd_status,	usage_status,
102 	    "show modification status of files" },
103 };
104 
105 int
106 main(int argc, char *argv[])
107 {
108 	struct cmd *cmd;
109 	unsigned int i;
110 	int ch;
111 	int hflag = 0;
112 
113 	setlocale(LC_CTYPE, "");
114 
115 	while ((ch = getopt(argc, argv, "h")) != -1) {
116 		switch (ch) {
117 		case 'h':
118 			hflag = 1;
119 			break;
120 		default:
121 			usage();
122 			/* NOTREACHED */
123 		}
124 	}
125 
126 	argc -= optind;
127 	argv += optind;
128 	optind = 0;
129 
130 	if (argc <= 0)
131 		usage();
132 
133 	signal(SIGINT, catch_sigint);
134 	signal(SIGPIPE, catch_sigpipe);
135 
136 	for (i = 0; i < nitems(got_commands); i++) {
137 		const struct got_error *error;
138 
139 		cmd = &got_commands[i];
140 
141 		if (strncmp(cmd->cmd_name, argv[0], strlen(argv[0])))
142 			continue;
143 
144 		if (hflag)
145 			got_commands[i].cmd_usage();
146 
147 		error = got_commands[i].cmd_main(argc, argv);
148 		if (error && !(sigint_received || sigpipe_received)) {
149 			fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
150 			return 1;
151 		}
152 
153 		return 0;
154 	}
155 
156 	fprintf(stderr, "%s: unknown command '%s'\n", getprogname(), argv[0]);
157 	return 1;
158 }
159 
160 __dead static void
161 usage(void)
162 {
163 	int i;
164 
165 	fprintf(stderr, "usage: %s [-h] command [arg ...]\n\n"
166 	    "Available commands:\n", getprogname());
167 	for (i = 0; i < nitems(got_commands); i++) {
168 		struct cmd *cmd = &got_commands[i];
169 		fprintf(stderr, "    %s: %s\n", cmd->cmd_name, cmd->cmd_descr);
170 	}
171 	exit(1);
172 }
173 
174 static const struct got_error *
175 apply_unveil(const char *repo_path, const char *worktree_path)
176 {
177 	const struct got_error *error;
178 
179 	if (repo_path && unveil(repo_path, "r") != 0)
180 		return got_error_from_errno();
181 
182 	if (worktree_path && unveil(worktree_path, "rwc") != 0)
183 		return got_error_from_errno();
184 
185 	if (unveil("/tmp", "rwc") != 0)
186 		return got_error_from_errno();
187 
188 	error = got_privsep_unveil_exec_helpers();
189 	if (error != NULL)
190 		return error;
191 
192 	if (unveil(NULL, NULL) != 0)
193 		return got_error_from_errno();
194 
195 	return NULL;
196 }
197 
198 __dead static void
199 usage_checkout(void)
200 {
201 	fprintf(stderr, "usage: %s checkout [-p prefix] repository-path "
202 	    "[worktree-path]\n", getprogname());
203 	exit(1);
204 }
205 
206 static void
207 checkout_progress(void *arg, unsigned char status, const char *path)
208 {
209 	char *worktree_path = arg;
210 
211 	while (path[0] == '/')
212 		path++;
213 
214 	printf("%c  %s/%s\n", status, worktree_path, path);
215 }
216 
217 static const struct got_error *
218 check_cancelled(void *arg)
219 {
220 	if (sigint_received || sigpipe_received)
221 		return got_error(GOT_ERR_CANCELLED);
222 	return NULL;
223 }
224 
225 static const struct got_error *
226 check_ancestry(struct got_worktree *worktree, struct got_object_id *commit_id,
227     struct got_repository *repo)
228 {
229 	const struct got_error *err;
230 	struct got_reference *head_ref = NULL;
231 	struct got_object_id *head_commit_id = NULL;
232 	struct got_commit_graph *graph = NULL;
233 
234 	head_ref = got_worktree_get_head_ref(worktree);
235 	if (head_ref == NULL)
236 		return got_error_from_errno();
237 
238 	/* TODO: Check the reflog. The head ref may have been rebased. */
239 	err = got_ref_resolve(&head_commit_id, repo, head_ref);
240 	if (err)
241 		goto done;
242 
243 	err = got_commit_graph_open(&graph, head_commit_id, "/", 1, repo);
244 	if (err)
245 		goto done;
246 
247 	err = got_commit_graph_iter_start(graph, head_commit_id, repo);
248 	if (err)
249 		goto done;
250 	while (1) {
251 		struct got_object_id *id;
252 
253 		if (sigint_received || sigpipe_received)
254 			break;
255 
256 		err = got_commit_graph_iter_next(&id, graph);
257 		if (err) {
258 			if (err->code == GOT_ERR_ITER_COMPLETED) {
259 				err = got_error(GOT_ERR_ANCESTRY);
260 				break;
261 			}
262 			if (err->code != GOT_ERR_ITER_NEED_MORE)
263 				break;
264 			err = got_commit_graph_fetch_commits(graph, 1, repo);
265 			if (err)
266 				break;
267 			else
268 				continue;
269 		}
270 		if (id == NULL)
271 			break;
272 		if (got_object_id_cmp(id, commit_id) == 0)
273 			break;
274 	}
275 done:
276 	if (head_ref)
277 		got_ref_close(head_ref);
278 	if (graph)
279 		got_commit_graph_close(graph);
280 	return err;
281 }
282 
283 
284 static const struct got_error *
285 cmd_checkout(int argc, char *argv[])
286 {
287 	const struct got_error *error = NULL;
288 	struct got_repository *repo = NULL;
289 	struct got_reference *head_ref = NULL;
290 	struct got_worktree *worktree = NULL;
291 	char *repo_path = NULL;
292 	char *worktree_path = NULL;
293 	const char *path_prefix = "";
294 	char *commit_id_str = NULL;
295 	int ch, same_path_prefix;
296 
297 	while ((ch = getopt(argc, argv, "c:p:")) != -1) {
298 		switch (ch) {
299 		case 'c':
300 			commit_id_str = strdup(optarg);
301 			if (commit_id_str == NULL)
302 				return got_error_from_errno();
303 			break;
304 		case 'p':
305 			path_prefix = optarg;
306 			break;
307 		default:
308 			usage();
309 			/* NOTREACHED */
310 		}
311 	}
312 
313 	argc -= optind;
314 	argv += optind;
315 
316 #ifndef PROFILE
317 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd "
318 	    "unveil", NULL) == -1)
319 		err(1, "pledge");
320 #endif
321 	if (argc == 1) {
322 		char *cwd, *base, *dotgit;
323 		repo_path = realpath(argv[0], NULL);
324 		if (repo_path == NULL)
325 			return got_error_from_errno();
326 		cwd = getcwd(NULL, 0);
327 		if (cwd == NULL) {
328 			error = got_error_from_errno();
329 			goto done;
330 		}
331 		if (path_prefix[0])
332 			base = basename(path_prefix);
333 		else
334 			base = basename(repo_path);
335 		if (base == NULL) {
336 			error = got_error_from_errno();
337 			goto done;
338 		}
339 		dotgit = strstr(base, ".git");
340 		if (dotgit)
341 			*dotgit = '\0';
342 		if (asprintf(&worktree_path, "%s/%s", cwd, base) == -1) {
343 			error = got_error_from_errno();
344 			free(cwd);
345 			goto done;
346 		}
347 		free(cwd);
348 	} else if (argc == 2) {
349 		repo_path = realpath(argv[0], NULL);
350 		if (repo_path == NULL) {
351 			error = got_error_from_errno();
352 			goto done;
353 		}
354 		worktree_path = realpath(argv[1], NULL);
355 		if (worktree_path == NULL) {
356 			error = got_error_from_errno();
357 			goto done;
358 		}
359 	} else
360 		usage_checkout();
361 
362 	error = apply_unveil(repo_path, worktree_path);
363 	if (error)
364 		goto done;
365 
366 	error = got_repo_open(&repo, repo_path);
367 	if (error != NULL)
368 		goto done;
369 
370 	error = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
371 	if (error != NULL)
372 		goto done;
373 
374 	error = got_worktree_init(worktree_path, head_ref, path_prefix, repo);
375 	if (error != NULL && !(error->code == GOT_ERR_ERRNO && errno == EEXIST))
376 		goto done;
377 
378 	error = got_worktree_open(&worktree, worktree_path);
379 	if (error != NULL)
380 		goto done;
381 
382 	error = got_worktree_match_path_prefix(&same_path_prefix, worktree,
383 	    path_prefix);
384 	if (error != NULL)
385 		goto done;
386 	if (!same_path_prefix) {
387 		error = got_error(GOT_ERR_PATH_PREFIX);
388 		goto done;
389 	}
390 
391 	if (commit_id_str) {
392 		struct got_object_id *commit_id;
393 		error = got_object_resolve_id_str(&commit_id, repo,
394 		    commit_id_str);
395 		if (error != NULL)
396 			goto done;
397 		error = check_ancestry(worktree, commit_id, repo);
398 		if (error != NULL) {
399 			free(commit_id);
400 			goto done;
401 		}
402 		error = got_worktree_set_base_commit_id(worktree, repo,
403 		    commit_id);
404 		free(commit_id);
405 		if (error)
406 			goto done;
407 	}
408 
409 	error = got_worktree_checkout_files(worktree, repo,
410 	    checkout_progress, worktree_path, check_cancelled, NULL);
411 	if (error != NULL)
412 		goto done;
413 
414 	printf("Now shut up and hack\n");
415 
416 done:
417 	free(commit_id_str);
418 	free(repo_path);
419 	free(worktree_path);
420 	return error;
421 }
422 
423 __dead static void
424 usage_update(void)
425 {
426 	fprintf(stderr, "usage: %s update [-c commit] [worktree-path]\n",
427 	    getprogname());
428 	exit(1);
429 }
430 
431 static void
432 update_progress(void *arg, unsigned char status, const char *path)
433 {
434 	int *did_something = arg;
435 
436 	if (status == GOT_STATUS_EXISTS)
437 		return;
438 
439 	*did_something = 1;
440 	while (path[0] == '/')
441 		path++;
442 	printf("%c  %s\n", status, path);
443 }
444 
445 static const struct got_error *
446 cmd_update(int argc, char *argv[])
447 {
448 	const struct got_error *error = NULL;
449 	struct got_repository *repo = NULL;
450 	struct got_worktree *worktree = NULL;
451 	char *worktree_path = NULL;
452 	struct got_object_id *commit_id = NULL;
453 	char *commit_id_str = NULL;
454 	int ch, did_something = 0;
455 
456 	while ((ch = getopt(argc, argv, "c:")) != -1) {
457 		switch (ch) {
458 		case 'c':
459 			commit_id_str = strdup(optarg);
460 			if (commit_id_str == NULL)
461 				return got_error_from_errno();
462 			break;
463 		default:
464 			usage();
465 			/* NOTREACHED */
466 		}
467 	}
468 
469 	argc -= optind;
470 	argv += optind;
471 
472 #ifndef PROFILE
473 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd "
474 	    "unveil", NULL) == -1)
475 		err(1, "pledge");
476 #endif
477 	if (argc == 0) {
478 		worktree_path = getcwd(NULL, 0);
479 		if (worktree_path == NULL) {
480 			error = got_error_from_errno();
481 			goto done;
482 		}
483 	} else if (argc == 1) {
484 		worktree_path = realpath(argv[0], NULL);
485 		if (worktree_path == NULL) {
486 			error = got_error_from_errno();
487 			goto done;
488 		}
489 	} else
490 		usage_update();
491 
492 	error = got_worktree_open(&worktree, worktree_path);
493 	if (error != NULL)
494 		goto done;
495 
496 	error = got_repo_open(&repo, got_worktree_get_repo_path(worktree));
497 	if (error != NULL)
498 		goto done;
499 
500 	error = apply_unveil(got_repo_get_path(repo),
501 	    got_worktree_get_root_path(worktree));
502 	if (error)
503 		goto done;
504 
505 	if (commit_id_str == NULL) {
506 		struct got_reference *head_ref;
507 		error = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
508 		if (error != NULL)
509 			goto done;
510 		error = got_ref_resolve(&commit_id, repo, head_ref);
511 		if (error != NULL)
512 			goto done;
513 		error = got_object_id_str(&commit_id_str, commit_id);
514 		if (error != NULL)
515 			goto done;
516 	} else {
517 		error = got_object_resolve_id_str(&commit_id, repo,
518 		    commit_id_str);
519 		if (error != NULL)
520 			goto done;
521 	}
522 
523 	error = check_ancestry(worktree, commit_id, repo);
524 	if (error != NULL)
525 		goto done;
526 
527 	if (got_object_id_cmp(got_worktree_get_base_commit_id(worktree),
528 	    commit_id) != 0) {
529 		error = got_worktree_set_base_commit_id(worktree, repo,
530 		    commit_id);
531 		if (error)
532 			goto done;
533 	}
534 
535 	error = got_worktree_checkout_files(worktree, repo,
536 	    update_progress, &did_something, check_cancelled, NULL);
537 	if (error != NULL)
538 		goto done;
539 
540 	if (did_something)
541 		printf("Updated to commit %s\n", commit_id_str);
542 	else
543 		printf("Already up-to-date\n");
544 done:
545 	free(worktree_path);
546 	free(commit_id);
547 	free(commit_id_str);
548 	return error;
549 }
550 
551 static const struct got_error *
552 print_patch(struct got_commit_object *commit, struct got_object_id *id,
553     int diff_context, struct got_repository *repo)
554 {
555 	const struct got_error *err = NULL;
556 	struct got_tree_object *tree1 = NULL, *tree2;
557 	struct got_object_qid *qid;
558 	char *id_str1 = NULL, *id_str2;
559 
560 	err = got_object_open_as_tree(&tree2, repo,
561 	    got_object_commit_get_tree_id(commit));
562 	if (err)
563 		return err;
564 
565 	qid = SIMPLEQ_FIRST(got_object_commit_get_parent_ids(commit));
566 	if (qid != NULL) {
567 		struct got_commit_object *pcommit;
568 
569 		err = got_object_open_as_commit(&pcommit, repo, qid->id);
570 		if (err)
571 			return err;
572 
573 		err = got_object_open_as_tree(&tree1, repo,
574 		    got_object_commit_get_tree_id(pcommit));
575 		got_object_commit_close(pcommit);
576 		if (err)
577 			return err;
578 
579 		err = got_object_id_str(&id_str1, qid->id);
580 		if (err)
581 			return err;
582 	}
583 
584 	err = got_object_id_str(&id_str2, id);
585 	if (err)
586 		goto done;
587 
588 	printf("diff %s %s\n", id_str1 ? id_str1 : "/dev/null", id_str2);
589 	err = got_diff_tree(tree1, tree2, "", "", diff_context, repo, stdout);
590 done:
591 	if (tree1)
592 		got_object_tree_close(tree1);
593 	got_object_tree_close(tree2);
594 	free(id_str1);
595 	free(id_str2);
596 	return err;
597 }
598 
599 static char *
600 get_datestr(time_t *time, char *datebuf)
601 {
602 	char *p, *s = ctime_r(time, datebuf);
603 	p = strchr(s, '\n');
604 	if (p)
605 		*p = '\0';
606 	return s;
607 }
608 
609 static const struct got_error *
610 print_commit(struct got_commit_object *commit, struct got_object_id *id,
611     struct got_repository *repo, int show_patch, int diff_context,
612     struct got_reflist_head *refs)
613 {
614 	const struct got_error *err = NULL;
615 	char *id_str, *datestr, *logmsg0, *logmsg, *line;
616 	char datebuf[26];
617 	time_t committer_time;
618 	const char *author, *committer;
619 	char *refs_str = NULL;
620 	struct got_reflist_entry *re;
621 
622 	SIMPLEQ_FOREACH(re, refs, entry) {
623 		char *s;
624 		const char *name;
625 		if (got_object_id_cmp(re->id, id) != 0)
626 			continue;
627 		name = got_ref_get_name(re->ref);
628 		if (strcmp(name, GOT_REF_HEAD) == 0)
629 			continue;
630 		if (strncmp(name, "refs/", 5) == 0)
631 			name += 5;
632 		if (strncmp(name, "heads/", 6) == 0)
633 			name += 6;
634 		if (strncmp(name, "remotes/", 8) == 0)
635 			name += 8;
636 		s = refs_str;
637 		if (asprintf(&refs_str, "%s%s%s", s ? s : "", s ? ", " : "",
638 		    name) == -1) {
639 			err = got_error_from_errno();
640 			free(s);
641 			break;
642 		}
643 		free(s);
644 	}
645 	err = got_object_id_str(&id_str, id);
646 	if (err)
647 		return err;
648 
649 	printf("-----------------------------------------------\n");
650 	printf("commit %s%s%s%s\n", id_str, refs_str ? " (" : "",
651 	    refs_str ? refs_str : "", refs_str ? ")" : "");
652 	free(id_str);
653 	id_str = NULL;
654 	free(refs_str);
655 	refs_str = NULL;
656 	printf("from: %s\n", got_object_commit_get_author(commit));
657 	committer_time = got_object_commit_get_committer_time(commit);
658 	datestr = get_datestr(&committer_time, datebuf);
659 	printf("date: %s UTC\n", datestr);
660 	author = got_object_commit_get_author(commit);
661 	committer = got_object_commit_get_committer(commit);
662 	if (strcmp(author, committer) != 0)
663 		printf("via: %s\n", committer);
664 	if (got_object_commit_get_nparents(commit) > 1) {
665 		const struct got_object_id_queue *parent_ids;
666 		struct got_object_qid *qid;
667 		int n = 1;
668 		parent_ids = got_object_commit_get_parent_ids(commit);
669 		SIMPLEQ_FOREACH(qid, parent_ids, entry) {
670 			err = got_object_id_str(&id_str, qid->id);
671 			if (err)
672 				return err;
673 			printf("parent %d: %s\n", n++, id_str);
674 			free(id_str);
675 		}
676 	}
677 
678 	logmsg0 = strdup(got_object_commit_get_logmsg(commit));
679 	if (logmsg0 == NULL)
680 		return got_error_from_errno();
681 
682 	logmsg = logmsg0;
683 	do {
684 		line = strsep(&logmsg, "\n");
685 		if (line)
686 			printf(" %s\n", line);
687 	} while (line);
688 	free(logmsg0);
689 
690 	if (show_patch) {
691 		err = print_patch(commit, id, diff_context, repo);
692 		if (err == 0)
693 			printf("\n");
694 	}
695 
696 	if (fflush(stdout) != 0 && err == NULL)
697 		err = got_error_from_errno();
698 	return err;
699 }
700 
701 static const struct got_error *
702 print_commits(struct got_object_id *root_id, struct got_repository *repo,
703     char *path, int show_patch, int diff_context, int limit,
704     int first_parent_traversal, struct got_reflist_head *refs)
705 {
706 	const struct got_error *err;
707 	struct got_commit_graph *graph;
708 
709 	err = got_commit_graph_open(&graph, root_id, path,
710 	    first_parent_traversal, repo);
711 	if (err)
712 		return err;
713 	err = got_commit_graph_iter_start(graph, root_id, repo);
714 	if (err)
715 		goto done;
716 	while (1) {
717 		struct got_commit_object *commit;
718 		struct got_object_id *id;
719 
720 		if (sigint_received || sigpipe_received)
721 			break;
722 
723 		err = got_commit_graph_iter_next(&id, graph);
724 		if (err) {
725 			if (err->code == GOT_ERR_ITER_COMPLETED) {
726 				err = NULL;
727 				break;
728 			}
729 			if (err->code != GOT_ERR_ITER_NEED_MORE)
730 				break;
731 			err = got_commit_graph_fetch_commits(graph, 1, repo);
732 			if (err)
733 				break;
734 			else
735 				continue;
736 		}
737 		if (id == NULL)
738 			break;
739 
740 		err = got_object_open_as_commit(&commit, repo, id);
741 		if (err)
742 			break;
743 		err = print_commit(commit, id, repo, show_patch, diff_context,
744 		    refs);
745 		got_object_commit_close(commit);
746 		if (err || (limit && --limit == 0))
747 			break;
748 	}
749 done:
750 	got_commit_graph_close(graph);
751 	return err;
752 }
753 
754 __dead static void
755 usage_log(void)
756 {
757 	fprintf(stderr, "usage: %s log [-c commit] [-C number] [-f] [ -l N ] [-p] "
758 	    "[-r repository-path] [path]\n", getprogname());
759 	exit(1);
760 }
761 
762 static const struct got_error *
763 cmd_log(int argc, char *argv[])
764 {
765 	const struct got_error *error;
766 	struct got_repository *repo = NULL;
767 	struct got_worktree *worktree = NULL;
768 	struct got_commit_object *commit = NULL;
769 	struct got_object_id *id = NULL;
770 	char *repo_path = NULL, *path = NULL, *cwd = NULL, *in_repo_path = NULL;
771 	char *start_commit = NULL;
772 	int diff_context = 3, ch;
773 	int show_patch = 0, limit = 0, first_parent_traversal = 0;
774 	const char *errstr;
775 	struct got_reflist_head refs;
776 
777 #ifndef PROFILE
778 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
779 	    NULL)
780 	    == -1)
781 		err(1, "pledge");
782 #endif
783 
784 	while ((ch = getopt(argc, argv, "pc:C:l:fr:")) != -1) {
785 		switch (ch) {
786 		case 'p':
787 			show_patch = 1;
788 			break;
789 		case 'c':
790 			start_commit = optarg;
791 			break;
792 		case 'C':
793 			diff_context = strtonum(optarg, 0, GOT_DIFF_MAX_CONTEXT,
794 			    &errstr);
795 			if (errstr != NULL)
796 				err(1, "-C option %s", errstr);
797 			break;
798 		case 'l':
799 			limit = strtonum(optarg, 1, INT_MAX, &errstr);
800 			if (errstr != NULL)
801 				err(1, "-l option %s", errstr);
802 			break;
803 		case 'f':
804 			first_parent_traversal = 1;
805 			break;
806 		case 'r':
807 			repo_path = realpath(optarg, NULL);
808 			if (repo_path == NULL)
809 				err(1, "-r option");
810 			break;
811 		default:
812 			usage();
813 			/* NOTREACHED */
814 		}
815 	}
816 
817 	argc -= optind;
818 	argv += optind;
819 
820 	if (argc == 0)
821 		path = strdup("");
822 	else if (argc == 1)
823 		path = strdup(argv[0]);
824 	else
825 		usage_log();
826 	if (path == NULL)
827 		return got_error_from_errno();
828 
829 	cwd = getcwd(NULL, 0);
830 	if (cwd == NULL) {
831 		error = got_error_from_errno();
832 		goto done;
833 	}
834 
835 	error = got_worktree_open(&worktree, cwd);
836 	if (error && error->code != GOT_ERR_NOT_WORKTREE)
837 		goto done;
838 	error = NULL;
839 
840 	repo_path = worktree ?
841 	    strdup(got_worktree_get_repo_path(worktree)) : strdup(cwd);
842 	if (repo_path == NULL) {
843 		error = got_error_from_errno();
844 		goto done;
845 	}
846 
847 	error = apply_unveil(repo_path, NULL);
848 	if (error)
849 		goto done;
850 
851 	error = got_repo_open(&repo, repo_path);
852 	if (error != NULL)
853 		goto done;
854 
855 	if (start_commit == NULL) {
856 		struct got_reference *head_ref;
857 		error = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
858 		if (error != NULL)
859 			return error;
860 		error = got_ref_resolve(&id, repo, head_ref);
861 		got_ref_close(head_ref);
862 		if (error != NULL)
863 			return error;
864 		error = got_object_open_as_commit(&commit, repo, id);
865 	} else {
866 		struct got_reference *ref;
867 		error = got_ref_open(&ref, repo, start_commit);
868 		if (error == NULL) {
869 			int obj_type;
870 			error = got_ref_resolve(&id, repo, ref);
871 			got_ref_close(ref);
872 			if (error != NULL)
873 				goto done;
874 			error = got_object_get_type(&obj_type, repo, id);
875 			if (error != NULL)
876 				goto done;
877 			if (obj_type == GOT_OBJ_TYPE_TAG) {
878 				struct got_tag_object *tag;
879 				error = got_object_open_as_tag(&tag, repo, id);
880 				if (error != NULL)
881 					goto done;
882 				if (got_object_tag_get_object_type(tag) !=
883 				    GOT_OBJ_TYPE_COMMIT) {
884 					got_object_tag_close(tag);
885 					error = got_error(GOT_ERR_OBJ_TYPE);
886 					goto done;
887 				}
888 				free(id);
889 				id = got_object_id_dup(
890 				    got_object_tag_get_object_id(tag));
891 				if (id == NULL)
892 					error = got_error_from_errno();
893 				got_object_tag_close(tag);
894 				if (error)
895 					goto done;
896 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
897 				error = got_error(GOT_ERR_OBJ_TYPE);
898 				goto done;
899 			}
900 			error = got_object_open_as_commit(&commit, repo, id);
901 			if (error != NULL)
902 				goto done;
903 		}
904 		if (commit == NULL) {
905 			error = got_object_resolve_id_str(&id, repo,
906 			    start_commit);
907 			if (error != NULL)
908 				return error;
909 		}
910 	}
911 	if (error != NULL)
912 		goto done;
913 
914 	error = got_repo_map_path(&in_repo_path, repo, path, 1);
915 	if (error != NULL)
916 		goto done;
917 	if (in_repo_path) {
918 		free(path);
919 		path = in_repo_path;
920 	}
921 
922 	SIMPLEQ_INIT(&refs);
923 	error = got_ref_list(&refs, repo);
924 	if (error)
925 		goto done;
926 
927 	error = print_commits(id, repo, path, show_patch,
928 	    diff_context, limit, first_parent_traversal, &refs);
929 done:
930 	free(path);
931 	free(repo_path);
932 	free(cwd);
933 	free(id);
934 	if (worktree)
935 		got_worktree_close(worktree);
936 	if (repo) {
937 		const struct got_error *repo_error;
938 		repo_error = got_repo_close(repo);
939 		if (error == NULL)
940 			error = repo_error;
941 	}
942 	return error;
943 }
944 
945 __dead static void
946 usage_diff(void)
947 {
948 	fprintf(stderr, "usage: %s diff [-C number] [-r repository-path] "
949 	    "[object1 object2 | path]\n", getprogname());
950 	exit(1);
951 }
952 
953 struct print_diff_arg {
954 	struct got_repository *repo;
955 	struct got_worktree *worktree;
956 	int diff_context;
957 	const char *id_str;
958 	int header_shown;
959 };
960 
961 static const struct got_error *
962 print_diff(void *arg, unsigned char status, const char *path,
963     struct got_object_id *id)
964 {
965 	struct print_diff_arg *a = arg;
966 	const struct got_error *err = NULL;
967 	struct got_blob_object *blob1 = NULL;
968 	FILE *f2 = NULL;
969 	char *abspath = NULL;
970 	struct stat sb;
971 
972 	if (status != GOT_STATUS_MODIFY)
973 		return NULL;
974 
975 	if (!a->header_shown) {
976 		printf("diff %s %s\n", a->id_str,
977 		    got_worktree_get_root_path(a->worktree));
978 		a->header_shown = 1;
979 	}
980 
981 	err = got_object_open_as_blob(&blob1, a->repo, id, 8192);
982 	if (err)
983 		goto done;
984 
985 	if (asprintf(&abspath, "%s/%s",
986 	    got_worktree_get_root_path(a->worktree), path) == -1) {
987 		err = got_error_from_errno();
988 		goto done;
989 	}
990 
991 	f2 = fopen(abspath, "r");
992 	if (f2 == NULL) {
993 		err = got_error_from_errno();
994 		goto done;
995 	}
996 	if (lstat(abspath, &sb) == -1) {
997 		err = got_error_from_errno();
998 		goto done;
999 	}
1000 
1001 	err = got_diff_blob_file(blob1, f2, sb.st_size, path, a->diff_context,
1002 	    stdout);
1003 done:
1004 	if (blob1)
1005 		got_object_blob_close(blob1);
1006 	if (f2 && fclose(f2) != 0 && err == NULL)
1007 		err = got_error_from_errno();
1008 	free(abspath);
1009 	return err;
1010 }
1011 
1012 static const struct got_error *
1013 get_status_path(char **status_path, struct got_worktree *worktree,
1014     const char *arg)
1015 {
1016 	const struct got_error *err = NULL;
1017 	char *resolved, *path = NULL;
1018 	size_t len;
1019 
1020 	*status_path = NULL;
1021 
1022 	resolved = realpath(arg, NULL);
1023 	if (resolved == NULL)
1024 		return got_error_from_errno();
1025 
1026 	if (strncmp(got_worktree_get_root_path(worktree), resolved,
1027 	    strlen(got_worktree_get_root_path(worktree)))) {
1028 		err = got_error(GOT_ERR_BAD_PATH);
1029 		goto done;
1030 	}
1031 
1032 	path = strdup(resolved + strlen(got_worktree_get_root_path(worktree)));
1033 	if (path == NULL) {
1034 		err = got_error_from_errno();
1035 		goto done;
1036 	}
1037 
1038 	/* XXX status walk can't deal with trailing slash! */
1039 	len = strlen(path);
1040 	while (path[len - 1] == '/') {
1041 		path[len - 1] = '\0';
1042 		len--;
1043 	}
1044 done:
1045 	free(resolved);
1046 	if (err == NULL)
1047 		*status_path = path;
1048 	else
1049 		free(path);
1050 	return err;
1051 }
1052 
1053 static const struct got_error *
1054 cmd_diff(int argc, char *argv[])
1055 {
1056 	const struct got_error *error;
1057 	struct got_repository *repo = NULL;
1058 	struct got_worktree *worktree = NULL;
1059 	char *cwd = NULL, *repo_path = NULL;
1060 	struct got_object_id *id1 = NULL, *id2 = NULL;
1061 	char *id_str1 = NULL, *id_str2 = NULL;
1062 	int type1, type2;
1063 	int diff_context = 3, ch;
1064 	const char *errstr;
1065 	char *path = NULL;
1066 
1067 #ifndef PROFILE
1068 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1069 	    NULL) == -1)
1070 		err(1, "pledge");
1071 #endif
1072 
1073 	while ((ch = getopt(argc, argv, "C:r:")) != -1) {
1074 		switch (ch) {
1075 		case 'C':
1076 			diff_context = strtonum(optarg, 1, INT_MAX, &errstr);
1077 			if (errstr != NULL)
1078 				err(1, "-C option %s", errstr);
1079 			break;
1080 		case 'r':
1081 			repo_path = realpath(optarg, NULL);
1082 			if (repo_path == NULL)
1083 				err(1, "-r option");
1084 			break;
1085 		default:
1086 			usage();
1087 			/* NOTREACHED */
1088 		}
1089 	}
1090 
1091 	argc -= optind;
1092 	argv += optind;
1093 
1094 	cwd = getcwd(NULL, 0);
1095 	if (cwd == NULL) {
1096 		error = got_error_from_errno();
1097 		goto done;
1098 	}
1099 	error = got_worktree_open(&worktree, cwd);
1100 	if (error && error->code != GOT_ERR_NOT_WORKTREE)
1101 		goto done;
1102 	if (argc <= 1) {
1103 		if (worktree == NULL) {
1104 			error = got_error(GOT_ERR_NOT_WORKTREE);
1105 			goto done;
1106 		}
1107 		if (repo_path)
1108 			errx(1,
1109 			    "-r option can't be used when diffing a work tree");
1110 		repo_path = strdup(got_worktree_get_repo_path(worktree));
1111 		if (repo_path == NULL) {
1112 			error = got_error_from_errno();
1113 			goto done;
1114 		}
1115 		if (argc == 1) {
1116 			error = get_status_path(&path, worktree, argv[0]);
1117 			if (error)
1118 				goto done;
1119 		} else {
1120 			path = strdup("");
1121 			if (path == NULL) {
1122 				error = got_error_from_errno();
1123 				goto done;
1124 			}
1125 		}
1126 	} else if (argc == 2) {
1127 		id_str1 = argv[0];
1128 		id_str2 = argv[1];
1129 	} else
1130 		usage_diff();
1131 
1132 	if (repo_path == NULL) {
1133 		repo_path = getcwd(NULL, 0);
1134 		if (repo_path == NULL)
1135 			return got_error_from_errno();
1136 	}
1137 
1138 	error = apply_unveil(repo_path,
1139 	    worktree ? got_worktree_get_root_path(worktree) : NULL);
1140 	if (error)
1141 		goto done;
1142 
1143 	error = got_repo_open(&repo, repo_path);
1144 	free(repo_path);
1145 	if (error != NULL)
1146 		goto done;
1147 
1148 	if (worktree) {
1149 		struct print_diff_arg arg;
1150 		char *id_str;
1151 		error = got_object_id_str(&id_str,
1152 		    got_worktree_get_base_commit_id(worktree));
1153 		if (error)
1154 			goto done;
1155 		arg.repo = repo;
1156 		arg.worktree = worktree;
1157 		arg.diff_context = diff_context;
1158 		arg.id_str = id_str;
1159 		arg.header_shown = 0;
1160 
1161 		error = got_worktree_status(worktree, path, repo, print_diff,
1162 		    &arg, check_cancelled, NULL);
1163 		free(id_str);
1164 		goto done;
1165 	}
1166 
1167 	error = got_object_resolve_id_str(&id1, repo, id_str1);
1168 	if (error)
1169 		goto done;
1170 
1171 	error = got_object_resolve_id_str(&id2, repo, id_str2);
1172 	if (error)
1173 		goto done;
1174 
1175 	error = got_object_get_type(&type1, repo, id1);
1176 	if (error)
1177 		goto done;
1178 
1179 	error = got_object_get_type(&type2, repo, id2);
1180 	if (error)
1181 		goto done;
1182 
1183 	if (type1 != type2) {
1184 		error = got_error(GOT_ERR_OBJ_TYPE);
1185 		goto done;
1186 	}
1187 
1188 	switch (type1) {
1189 	case GOT_OBJ_TYPE_BLOB:
1190 		error = got_diff_objects_as_blobs(id1, id2, NULL, NULL,
1191 		    diff_context, repo, stdout);
1192 		break;
1193 	case GOT_OBJ_TYPE_TREE:
1194 		error = got_diff_objects_as_trees(id1, id2, "", "",
1195 		    diff_context, repo, stdout);
1196 		break;
1197 	case GOT_OBJ_TYPE_COMMIT:
1198 		printf("diff %s %s\n", id_str1 ? id_str1 : "/dev/null",
1199 		    id_str2);
1200 		error = got_diff_objects_as_commits(id1, id2, diff_context,
1201 		    repo, stdout);
1202 		break;
1203 	default:
1204 		error = got_error(GOT_ERR_OBJ_TYPE);
1205 	}
1206 
1207 done:
1208 	free(id1);
1209 	free(id2);
1210 	free(path);
1211 	if (worktree)
1212 		got_worktree_close(worktree);
1213 	if (repo) {
1214 		const struct got_error *repo_error;
1215 		repo_error = got_repo_close(repo);
1216 		if (error == NULL)
1217 			error = repo_error;
1218 	}
1219 	return error;
1220 }
1221 
1222 __dead static void
1223 usage_blame(void)
1224 {
1225 	fprintf(stderr,
1226 	    "usage: %s blame [-c commit] [-r repository-path] path\n",
1227 	    getprogname());
1228 	exit(1);
1229 }
1230 
1231 static const struct got_error *
1232 cmd_blame(int argc, char *argv[])
1233 {
1234 	const struct got_error *error;
1235 	struct got_repository *repo = NULL;
1236 	struct got_worktree *worktree = NULL;
1237 	char *path, *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
1238 	struct got_object_id *commit_id = NULL;
1239 	char *commit_id_str = NULL;
1240 	int ch;
1241 
1242 #ifndef PROFILE
1243 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1244 	    NULL) == -1)
1245 		err(1, "pledge");
1246 #endif
1247 
1248 	while ((ch = getopt(argc, argv, "c:r:")) != -1) {
1249 		switch (ch) {
1250 		case 'c':
1251 			commit_id_str = optarg;
1252 			break;
1253 		case 'r':
1254 			repo_path = realpath(optarg, NULL);
1255 			if (repo_path == NULL)
1256 				err(1, "-r option");
1257 			break;
1258 		default:
1259 			usage();
1260 			/* NOTREACHED */
1261 		}
1262 	}
1263 
1264 	argc -= optind;
1265 	argv += optind;
1266 
1267 	if (argc == 1)
1268 		path = argv[0];
1269 	else
1270 		usage_blame();
1271 
1272 	cwd = getcwd(NULL, 0);
1273 	if (cwd == NULL) {
1274 		error = got_error_from_errno();
1275 		goto done;
1276 	}
1277 	if (repo_path == NULL) {
1278 		error = got_worktree_open(&worktree, cwd);
1279 		if (error && error->code != GOT_ERR_NOT_WORKTREE)
1280 			goto done;
1281 		else
1282 			error = NULL;
1283 		if (worktree) {
1284 			repo_path =
1285 			    strdup(got_worktree_get_repo_path(worktree));
1286 			if (repo_path == NULL)
1287 				error = got_error_from_errno();
1288 			if (error)
1289 				goto done;
1290 		} else {
1291 			repo_path = strdup(cwd);
1292 			if (repo_path == NULL) {
1293 				error = got_error_from_errno();
1294 				goto done;
1295 			}
1296 		}
1297 	}
1298 
1299 	error = apply_unveil(repo_path, NULL);
1300 	if (error)
1301 		goto done;
1302 
1303 	error = got_repo_open(&repo, repo_path);
1304 	if (error != NULL)
1305 		goto done;
1306 
1307 	if (worktree) {
1308 		const char *prefix = got_worktree_get_path_prefix(worktree);
1309 		char *p, *worktree_subdir = cwd +
1310 		    strlen(got_worktree_get_root_path(worktree));
1311 		if (asprintf(&p, "%s%s%s%s%s",
1312 		    prefix, (strcmp(prefix, "/") != 0) ? "/" : "",
1313 		    worktree_subdir, worktree_subdir[0] ? "/" : "",
1314 		    path) == -1) {
1315 			error = got_error_from_errno();
1316 			goto done;
1317 		}
1318 		error = got_repo_map_path(&in_repo_path, repo, p, 0);
1319 		free(p);
1320 	} else {
1321 		error = got_repo_map_path(&in_repo_path, repo, path, 1);
1322 	}
1323 	if (error)
1324 		goto done;
1325 
1326 	if (commit_id_str == NULL) {
1327 		struct got_reference *head_ref;
1328 		error = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
1329 		if (error != NULL)
1330 			goto done;
1331 		error = got_ref_resolve(&commit_id, repo, head_ref);
1332 		got_ref_close(head_ref);
1333 		if (error != NULL)
1334 			goto done;
1335 	} else {
1336 		error = got_object_resolve_id_str(&commit_id, repo,
1337 		    commit_id_str);
1338 		if (error != NULL)
1339 			goto done;
1340 	}
1341 
1342 	error = got_blame(in_repo_path, commit_id, repo, stdout);
1343 done:
1344 	free(in_repo_path);
1345 	free(repo_path);
1346 	free(cwd);
1347 	free(commit_id);
1348 	if (worktree)
1349 		got_worktree_close(worktree);
1350 	if (repo) {
1351 		const struct got_error *repo_error;
1352 		repo_error = got_repo_close(repo);
1353 		if (error == NULL)
1354 			error = repo_error;
1355 	}
1356 	return error;
1357 }
1358 
1359 __dead static void
1360 usage_tree(void)
1361 {
1362 	fprintf(stderr,
1363 	    "usage: %s tree [-c commit] [-r repository-path] [-iR] path\n",
1364 	    getprogname());
1365 	exit(1);
1366 }
1367 
1368 static void
1369 print_entry(struct got_tree_entry *te, const char *id, const char *path,
1370     const char *root_path)
1371 {
1372 	int is_root_path = (strcmp(path, root_path) == 0);
1373 
1374 	path += strlen(root_path);
1375 	while (path[0] == '/')
1376 		path++;
1377 
1378 	printf("%s%s%s%s%s\n", id ? id : "", path,
1379 	    is_root_path ? "" : "/", te->name,
1380 	    S_ISDIR(te->mode) ? "/" : ((te->mode & S_IXUSR) ? "*" : ""));
1381 }
1382 
1383 static const struct got_error *
1384 print_tree(const char *path, struct got_object_id *commit_id,
1385     int show_ids, int recurse, const char *root_path,
1386     struct got_repository *repo)
1387 {
1388 	const struct got_error *err = NULL;
1389 	struct got_object_id *tree_id = NULL;
1390 	struct got_tree_object *tree = NULL;
1391 	const struct got_tree_entries *entries;
1392 	struct got_tree_entry *te;
1393 
1394 	err = got_object_id_by_path(&tree_id, repo, commit_id, path);
1395 	if (err)
1396 		goto done;
1397 
1398 	err = got_object_open_as_tree(&tree, repo, tree_id);
1399 	if (err)
1400 		goto done;
1401 	entries = got_object_tree_get_entries(tree);
1402 	te = SIMPLEQ_FIRST(&entries->head);
1403 	while (te) {
1404 		char *id = NULL;
1405 
1406 		if (sigint_received || sigpipe_received)
1407 			break;
1408 
1409 		if (show_ids) {
1410 			char *id_str;
1411 			err = got_object_id_str(&id_str, te->id);
1412 			if (err)
1413 				goto done;
1414 			if (asprintf(&id, "%s ", id_str) == -1) {
1415 				err = got_error_from_errno();
1416 				free(id_str);
1417 				goto done;
1418 			}
1419 			free(id_str);
1420 		}
1421 		print_entry(te, id, path, root_path);
1422 		free(id);
1423 
1424 		if (recurse && S_ISDIR(te->mode)) {
1425 			char *child_path;
1426 			if (asprintf(&child_path, "%s%s%s", path,
1427 			    path[0] == '/' && path[1] == '\0' ? "" : "/",
1428 			    te->name) == -1) {
1429 				err = got_error_from_errno();
1430 				goto done;
1431 			}
1432 			err = print_tree(child_path, commit_id, show_ids, 1,
1433 			    root_path, repo);
1434 			free(child_path);
1435 			if (err)
1436 				goto done;
1437 		}
1438 
1439 		te = SIMPLEQ_NEXT(te, entry);
1440 	}
1441 done:
1442 	if (tree)
1443 		got_object_tree_close(tree);
1444 	free(tree_id);
1445 	return err;
1446 }
1447 
1448 static const struct got_error *
1449 cmd_tree(int argc, char *argv[])
1450 {
1451 	const struct got_error *error;
1452 	struct got_repository *repo = NULL;
1453 	struct got_worktree *worktree = NULL;
1454 	const char *path;
1455 	char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
1456 	struct got_object_id *commit_id = NULL;
1457 	char *commit_id_str = NULL;
1458 	int show_ids = 0, recurse = 0;
1459 	int ch;
1460 
1461 #ifndef PROFILE
1462 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1463 	    NULL) == -1)
1464 		err(1, "pledge");
1465 #endif
1466 
1467 	while ((ch = getopt(argc, argv, "c:r:iR")) != -1) {
1468 		switch (ch) {
1469 		case 'c':
1470 			commit_id_str = optarg;
1471 			break;
1472 		case 'r':
1473 			repo_path = realpath(optarg, NULL);
1474 			if (repo_path == NULL)
1475 				err(1, "-r option");
1476 			break;
1477 		case 'i':
1478 			show_ids = 1;
1479 			break;
1480 		case 'R':
1481 			recurse = 1;
1482 			break;
1483 		default:
1484 			usage();
1485 			/* NOTREACHED */
1486 		}
1487 	}
1488 
1489 	argc -= optind;
1490 	argv += optind;
1491 
1492 	if (argc == 1)
1493 		path = argv[0];
1494 	else if (argc > 1)
1495 		usage_tree();
1496 	else
1497 		path = NULL;
1498 
1499 	cwd = getcwd(NULL, 0);
1500 	if (cwd == NULL) {
1501 		error = got_error_from_errno();
1502 		goto done;
1503 	}
1504 	if (repo_path == NULL) {
1505 		error = got_worktree_open(&worktree, cwd);
1506 		if (error && error->code != GOT_ERR_NOT_WORKTREE)
1507 			goto done;
1508 		else
1509 			error = NULL;
1510 		if (worktree) {
1511 			repo_path =
1512 			    strdup(got_worktree_get_repo_path(worktree));
1513 			if (repo_path == NULL)
1514 				error = got_error_from_errno();
1515 			if (error)
1516 				goto done;
1517 		} else {
1518 			repo_path = strdup(cwd);
1519 			if (repo_path == NULL) {
1520 				error = got_error_from_errno();
1521 				goto done;
1522 			}
1523 		}
1524 	}
1525 
1526 	error = apply_unveil(repo_path, NULL);
1527 	if (error)
1528 		goto done;
1529 
1530 	error = got_repo_open(&repo, repo_path);
1531 	if (error != NULL)
1532 		goto done;
1533 
1534 	if (path == NULL) {
1535 		if (worktree) {
1536 			char *p, *worktree_subdir = cwd +
1537 			    strlen(got_worktree_get_root_path(worktree));
1538 			if (asprintf(&p, "%s/%s",
1539 			    got_worktree_get_path_prefix(worktree),
1540 			    worktree_subdir) == -1) {
1541 				error = got_error_from_errno();
1542 				goto done;
1543 			}
1544 			error = got_repo_map_path(&in_repo_path, repo, p, 1);
1545 			free(p);
1546 			if (error)
1547 				goto done;
1548 		} else
1549 			path = "/";
1550 	}
1551 	if (in_repo_path == NULL) {
1552 		error = got_repo_map_path(&in_repo_path, repo, path, 1);
1553 		if (error != NULL)
1554 			goto done;
1555 	}
1556 
1557 	if (commit_id_str == NULL) {
1558 		struct got_reference *head_ref;
1559 		error = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
1560 		if (error != NULL)
1561 			goto done;
1562 		error = got_ref_resolve(&commit_id, repo, head_ref);
1563 		got_ref_close(head_ref);
1564 		if (error != NULL)
1565 			goto done;
1566 	} else {
1567 		error = got_object_resolve_id_str(&commit_id, repo,
1568 		    commit_id_str);
1569 		if (error != NULL)
1570 			goto done;
1571 	}
1572 
1573 	error = print_tree(in_repo_path, commit_id, show_ids, recurse,
1574 	    in_repo_path, repo);
1575 done:
1576 	free(in_repo_path);
1577 	free(repo_path);
1578 	free(cwd);
1579 	free(commit_id);
1580 	if (worktree)
1581 		got_worktree_close(worktree);
1582 	if (repo) {
1583 		const struct got_error *repo_error;
1584 		repo_error = got_repo_close(repo);
1585 		if (error == NULL)
1586 			error = repo_error;
1587 	}
1588 	return error;
1589 }
1590 
1591 __dead static void
1592 usage_status(void)
1593 {
1594 	fprintf(stderr, "usage: %s status [path]\n", getprogname());
1595 	exit(1);
1596 }
1597 
1598 static const struct got_error *
1599 print_status(void *arg, unsigned char status, const char *path,
1600     struct got_object_id *id)
1601 {
1602 	printf("%c  %s\n", status, path);
1603 	return NULL;
1604 }
1605 
1606 static const struct got_error *
1607 cmd_status(int argc, char *argv[])
1608 {
1609 	const struct got_error *error = NULL;
1610 	struct got_repository *repo = NULL;
1611 	struct got_worktree *worktree = NULL;
1612 	char *cwd = NULL, *path = NULL;
1613 	int ch;
1614 
1615 	while ((ch = getopt(argc, argv, "")) != -1) {
1616 		switch (ch) {
1617 		default:
1618 			usage();
1619 			/* NOTREACHED */
1620 		}
1621 	}
1622 
1623 	argc -= optind;
1624 	argv += optind;
1625 
1626 #ifndef PROFILE
1627 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1628 	    NULL) == -1)
1629 		err(1, "pledge");
1630 #endif
1631 	cwd = getcwd(NULL, 0);
1632 	if (cwd == NULL) {
1633 		error = got_error_from_errno();
1634 		goto done;
1635 	}
1636 
1637 	error = got_worktree_open(&worktree, cwd);
1638 	if (error != NULL)
1639 		goto done;
1640 
1641 	if (argc == 0) {
1642 		path = strdup("");
1643 		if (path == NULL) {
1644 			error = got_error_from_errno();
1645 			goto done;
1646 		}
1647 	} else if (argc == 1) {
1648 		error = get_status_path(&path, worktree, argv[0]);
1649 		if (error)
1650 			goto done;
1651 	} else
1652 		usage_status();
1653 
1654 	error = got_repo_open(&repo, got_worktree_get_repo_path(worktree));
1655 	if (error != NULL)
1656 		goto done;
1657 
1658 	error = apply_unveil(got_repo_get_path(repo),
1659 	    got_worktree_get_root_path(worktree));
1660 	if (error)
1661 		goto done;
1662 
1663 	error = got_worktree_status(worktree, path, repo, print_status, NULL,
1664 	    check_cancelled, NULL);
1665 done:
1666 	free(cwd);
1667 	free(path);
1668 	return error;
1669 }