1 /*
2  * Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include <sys/types.h>
18 
19 #include <ctype.h>
20 #include <getopt.h>
21 #include <err.h>
22 #include <errno.h>
23 #include <locale.h>
24 #include <inttypes.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <signal.h>
28 #include <string.h>
29 #include <unistd.h>
30 
31 #include "got_compat.h"
32 
33 #include "got_version.h"
34 #include "got_error.h"
35 #include "got_object.h"
36 #include "got_reference.h"
37 #include "got_cancel.h"
38 #include "got_repository.h"
39 #include "got_repository_admin.h"
40 #include "got_gotconfig.h"
41 #include "got_path.h"
42 #include "got_privsep.h"
43 #include "got_opentemp.h"
44 #include "got_worktree.h"
45 
46 #ifndef nitems
47 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
48 #endif
49 
50 static volatile sig_atomic_t sigint_received;
51 static volatile sig_atomic_t sigpipe_received;
52 
53 static void
54 catch_sigint(int signo)
55 {
56 	sigint_received = 1;
57 }
58 
59 static void
60 catch_sigpipe(int signo)
61 {
62 	sigpipe_received = 1;
63 }
64 
65 static const struct got_error *
66 check_cancelled(void *arg)
67 {
68 	if (sigint_received || sigpipe_received)
69 		return got_error(GOT_ERR_CANCELLED);
70 	return NULL;
71 }
72 
73 struct gotadmin_cmd {
74 	const char	*cmd_name;
75 	const struct got_error *(*cmd_main)(int, char *[]);
76 	void		(*cmd_usage)(void);
77 	const char	*cmd_alias;
78 };
79 
80 __dead static void	usage(int, int);
81 __dead static void	usage_info(void);
82 __dead static void	usage_pack(void);
83 __dead static void	usage_indexpack(void);
84 __dead static void	usage_listpack(void);
85 __dead static void	usage_cleanup(void);
86 
87 static const struct got_error*		cmd_info(int, char *[]);
88 static const struct got_error*		cmd_pack(int, char *[]);
89 static const struct got_error*		cmd_indexpack(int, char *[]);
90 static const struct got_error*		cmd_listpack(int, char *[]);
91 static const struct got_error*		cmd_cleanup(int, char *[]);
92 
93 static struct gotadmin_cmd gotadmin_commands[] = {
94 	{ "info",	cmd_info,	usage_info,	"" },
95 	{ "pack",	cmd_pack,	usage_pack,	"" },
96 	{ "indexpack",	cmd_indexpack,	usage_indexpack,"ix" },
97 	{ "listpack",	cmd_listpack,	usage_listpack,	"ls" },
98 	{ "cleanup",	cmd_cleanup,	usage_cleanup,	"cl" },
99 };
100 
101 static void
102 list_commands(FILE *fp)
103 {
104 	size_t i;
105 
106 	fprintf(fp, "commands:");
107 	for (i = 0; i < nitems(gotadmin_commands); i++) {
108 		struct gotadmin_cmd *cmd = &gotadmin_commands[i];
109 		fprintf(fp, " %s", cmd->cmd_name);
110 	}
111 	fputc('\n', fp);
112 }
113 
114 int
115 main(int argc, char *argv[])
116 {
117 	struct gotadmin_cmd *cmd;
118 	size_t i;
119 	int ch;
120 	int hflag = 0, Vflag = 0;
121 	static struct option longopts[] = {
122 	    { "version", no_argument, NULL, 'V' },
123 	    { NULL, 0, NULL, 0 }
124 	};
125 
126 	setlocale(LC_CTYPE, "");
127 
128 	while ((ch = getopt_long(argc, argv, "+hV", longopts, NULL)) != -1) {
129 		switch (ch) {
130 		case 'h':
131 			hflag = 1;
132 			break;
133 		case 'V':
134 			Vflag = 1;
135 			break;
136 		default:
137 			usage(hflag, 1);
138 			/* NOTREACHED */
139 		}
140 	}
141 
142 	argc -= optind;
143 	argv += optind;
144 	optind = 1;
145 	optreset = 1;
146 
147 	if (Vflag) {
148 		got_version_print_str();
149 		return 0;
150 	}
151 
152 	if (argc <= 0)
153 		usage(hflag, hflag ? 0 : 1);
154 
155 	signal(SIGINT, catch_sigint);
156 	signal(SIGPIPE, catch_sigpipe);
157 
158 	for (i = 0; i < nitems(gotadmin_commands); i++) {
159 		const struct got_error *error;
160 
161 		cmd = &gotadmin_commands[i];
162 
163 		if (strcmp(cmd->cmd_name, argv[0]) != 0 &&
164 		    strcmp(cmd->cmd_alias, argv[0]) != 0)
165 			continue;
166 
167 		if (hflag)
168 			gotadmin_commands[i].cmd_usage();
169 
170 		error = gotadmin_commands[i].cmd_main(argc, argv);
171 		if (error && error->code != GOT_ERR_CANCELLED &&
172 		    error->code != GOT_ERR_PRIVSEP_EXIT &&
173 		    !(sigpipe_received &&
174 		      error->code == GOT_ERR_ERRNO && errno == EPIPE) &&
175 		    !(sigint_received &&
176 		      error->code == GOT_ERR_ERRNO && errno == EINTR)) {
177 			fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
178 			return 1;
179 		}
180 
181 		return 0;
182 	}
183 
184 	fprintf(stderr, "%s: unknown command '%s'\n", getprogname(), argv[0]);
185 	list_commands(stderr);
186 	return 1;
187 }
188 
189 __dead static void
190 usage(int hflag, int status)
191 {
192 	FILE *fp = (status == 0) ? stdout : stderr;
193 
194 	fprintf(fp, "usage: %s [-h] [-V | --version] command [arg ...]\n",
195 	    getprogname());
196 	if (hflag)
197 		list_commands(fp);
198 	exit(status);
199 }
200 
201 static const struct got_error *
202 apply_unveil(const char *repo_path, int repo_read_only)
203 {
204 	const struct got_error *err;
205 
206 #ifdef PROFILE
207 	if (unveil("gmon.out", "rwc") != 0)
208 		return got_error_from_errno2("unveil", "gmon.out");
209 #endif
210 	if (repo_path && unveil(repo_path, repo_read_only ? "r" : "rwc") != 0)
211 		return got_error_from_errno2("unveil", repo_path);
212 
213 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
214 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
215 
216 	err = got_privsep_unveil_exec_helpers();
217 	if (err != NULL)
218 		return err;
219 
220 	if (unveil(NULL, NULL) != 0)
221 		return got_error_from_errno("unveil");
222 
223 	return NULL;
224 }
225 
226 __dead static void
227 usage_info(void)
228 {
229 	fprintf(stderr, "usage: %s info [-r repository-path]\n",
230 	    getprogname());
231 	exit(1);
232 }
233 
234 static const struct got_error *
235 get_repo_path(char **repo_path)
236 {
237 	const struct got_error *err = NULL;
238 	struct got_worktree *worktree = NULL;
239 	char *cwd;
240 
241 	*repo_path = NULL;
242 
243 	cwd = getcwd(NULL, 0);
244 	if (cwd == NULL)
245 		return got_error_from_errno("getcwd");
246 
247 	err = got_worktree_open(&worktree, cwd);
248 	if (err) {
249 		if (err->code != GOT_ERR_NOT_WORKTREE)
250 			goto done;
251 		err = NULL;
252 	}
253 
254 	if (worktree)
255 		*repo_path = strdup(got_worktree_get_repo_path(worktree));
256 	else
257 		*repo_path = strdup(cwd);
258 	if (*repo_path == NULL)
259 		err = got_error_from_errno("strdup");
260 done:
261 	if (worktree)
262 		got_worktree_close(worktree);
263 	free(cwd);
264 	return err;
265 }
266 
267 static const struct got_error *
268 cmd_info(int argc, char *argv[])
269 {
270 	const struct got_error *error = NULL;
271 	char *repo_path = NULL;
272 	struct got_repository *repo = NULL;
273 	const struct got_gotconfig *gotconfig = NULL;
274 	int ch, npackfiles, npackedobj, nobj;
275 	off_t packsize, loose_size;
276 	char scaled[FMT_SCALED_STRSIZE];
277 
278 	while ((ch = getopt(argc, argv, "r:")) != -1) {
279 		switch (ch) {
280 		case 'r':
281 			repo_path = realpath(optarg, NULL);
282 			if (repo_path == NULL)
283 				return got_error_from_errno2("realpath",
284 				    optarg);
285 			got_path_strip_trailing_slashes(repo_path);
286 			break;
287 		default:
288 			usage_info();
289 			/* NOTREACHED */
290 		}
291 	}
292 
293 	argc -= optind;
294 	argv += optind;
295 
296 #ifndef PROFILE
297 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
298 	    NULL) == -1)
299 		err(1, "pledge");
300 #endif
301 	if (repo_path == NULL) {
302 		error = get_repo_path(&repo_path);
303 		if (error)
304 			goto done;
305 	}
306 	error = got_repo_open(&repo, repo_path, NULL);
307 	if (error)
308 		goto done;
309 
310 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
311 	if (error)
312 		goto done;
313 
314 	printf("repository: %s\n", got_repo_get_path_git_dir(repo));
315 
316 	gotconfig = got_repo_get_gotconfig(repo);
317 	if (gotconfig) {
318 		const struct got_remote_repo *remotes;
319 		int i, nremotes;
320 		if (got_gotconfig_get_author(gotconfig)) {
321 			printf("default author: %s\n",
322 			    got_gotconfig_get_author(gotconfig));
323 		}
324 		got_gotconfig_get_remotes(&nremotes, &remotes, gotconfig);
325 		for (i = 0; i < nremotes; i++) {
326 			const char *fetch_url = remotes[i].fetch_url;
327 			const char *send_url = remotes[i].send_url;
328 			if (strcmp(fetch_url, send_url) == 0) {
329 				printf("remote \"%s\": %s\n", remotes[i].name,
330 				    remotes[i].fetch_url);
331 			} else {
332 				printf("remote \"%s\" (fetch): %s\n",
333 				    remotes[i].name, remotes[i].fetch_url);
334 				printf("remote \"%s\" (send): %s\n",
335 				    remotes[i].name, remotes[i].send_url);
336 			}
337 		}
338 	}
339 
340 	error = got_repo_get_packfile_info(&npackfiles, &npackedobj,
341 	    &packsize, repo);
342 	if (error)
343 		goto done;
344 	printf("pack files: %d\n", npackfiles);
345 	if (npackfiles > 0) {
346 		if (fmt_scaled(packsize, scaled) == -1) {
347 			error = got_error_from_errno("fmt_scaled");
348 			goto done;
349 		}
350 		printf("packed objects: %d\n", npackedobj);
351 		printf("packed total size: %s\n", scaled);
352 	}
353 
354 	error = got_repo_get_loose_object_info(&nobj, &loose_size, repo);
355 	if (error)
356 		goto done;
357 	printf("loose objects: %d\n", nobj);
358 	if (nobj > 0) {
359 		if (fmt_scaled(loose_size, scaled) == -1) {
360 			error = got_error_from_errno("fmt_scaled");
361 			goto done;
362 		}
363 		printf("loose total size: %s\n", scaled);
364 	}
365 done:
366 	if (repo)
367 		got_repo_close(repo);
368 	free(repo_path);
369 	return error;
370 }
371 
372 __dead static void
373 usage_pack(void)
374 {
375 	fprintf(stderr, "usage: %s pack [-a] [-r repository-path] "
376 	    "[-x reference] [reference ...]\n",
377 	    getprogname());
378 	exit(1);
379 }
380 
381 struct got_pack_progress_arg {
382 	char last_scaled_size[FMT_SCALED_STRSIZE];
383 	int last_ncommits;
384 	int last_nobj_total;
385 	int last_p_deltify;
386 	int last_p_written;
387 	int last_p_indexed;
388 	int last_p_resolved;
389 	int verbosity;
390 	int printed_something;
391 };
392 
393 static const struct got_error *
394 pack_progress(void *arg, off_t packfile_size, int ncommits,
395     int nobj_total, int nobj_deltify, int nobj_written)
396 {
397 	struct got_pack_progress_arg *a = arg;
398 	char scaled_size[FMT_SCALED_STRSIZE];
399 	int p_deltify, p_written;
400 	int print_searching = 0, print_total = 0;
401 	int print_deltify = 0, print_written = 0;
402 
403 	if (a->verbosity < 0)
404 		return NULL;
405 
406 	if (fmt_scaled(packfile_size, scaled_size) == -1)
407 		return got_error_from_errno("fmt_scaled");
408 
409 	if (a->last_ncommits != ncommits) {
410 		print_searching = 1;
411 		a->last_ncommits = ncommits;
412 	}
413 
414 	if (a->last_nobj_total != nobj_total) {
415 		print_searching = 1;
416 		print_total = 1;
417 		a->last_nobj_total = nobj_total;
418 	}
419 
420 	if (packfile_size > 0 && (a->last_scaled_size[0] == '\0' ||
421 	    strcmp(scaled_size, a->last_scaled_size)) != 0) {
422 		if (strlcpy(a->last_scaled_size, scaled_size,
423 		    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
424 			return got_error(GOT_ERR_NO_SPACE);
425 	}
426 
427 	if (nobj_deltify > 0 || nobj_written > 0) {
428 		if (nobj_deltify > 0) {
429 			p_deltify = (nobj_deltify * 100) / nobj_total;
430 			if (p_deltify != a->last_p_deltify) {
431 				a->last_p_deltify = p_deltify;
432 				print_searching = 1;
433 				print_total = 1;
434 				print_deltify = 1;
435 			}
436 		}
437 		if (nobj_written > 0) {
438 			p_written = (nobj_written * 100) / nobj_total;
439 			if (p_written != a->last_p_written) {
440 				a->last_p_written = p_written;
441 				print_searching = 1;
442 				print_total = 1;
443 				print_deltify = 1;
444 				print_written = 1;
445 			}
446 		}
447 	}
448 
449 	if (print_searching || print_total || print_deltify || print_written)
450 		printf("\r");
451 	if (print_searching)
452 		printf("packing %d reference%s", ncommits,
453 		    ncommits == 1 ? "" : "s");
454 	if (print_total)
455 		printf("; %d object%s", nobj_total,
456 		    nobj_total == 1 ? "" : "s");
457 	if (print_deltify)
458 		printf("; deltify: %d%%", p_deltify);
459 	if (print_written)
460 		printf("; writing pack: %*s %d%%", FMT_SCALED_STRSIZE,
461 		    scaled_size, p_written);
462 	if (print_searching || print_total || print_deltify ||
463 	    print_written) {
464 		a->printed_something = 1;
465 		fflush(stdout);
466 	}
467 	return NULL;
468 }
469 
470 static const struct got_error *
471 pack_index_progress(void *arg, off_t packfile_size, int nobj_total,
472     int nobj_indexed, int nobj_loose, int nobj_resolved)
473 {
474 	struct got_pack_progress_arg *a = arg;
475 	char scaled_size[FMT_SCALED_STRSIZE];
476 	int p_indexed, p_resolved;
477 	int print_size = 0, print_indexed = 0, print_resolved = 0;
478 
479 	if (a->verbosity < 0)
480 		return NULL;
481 
482 	if (packfile_size > 0 || nobj_indexed > 0) {
483 		if (fmt_scaled(packfile_size, scaled_size) == 0 &&
484 		    (a->last_scaled_size[0] == '\0' ||
485 		    strcmp(scaled_size, a->last_scaled_size)) != 0) {
486 			print_size = 1;
487 			if (strlcpy(a->last_scaled_size, scaled_size,
488 			    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
489 				return got_error(GOT_ERR_NO_SPACE);
490 		}
491 		if (nobj_indexed > 0) {
492 			p_indexed = (nobj_indexed * 100) / nobj_total;
493 			if (p_indexed != a->last_p_indexed) {
494 				a->last_p_indexed = p_indexed;
495 				print_indexed = 1;
496 				print_size = 1;
497 			}
498 		}
499 		if (nobj_resolved > 0) {
500 			p_resolved = (nobj_resolved * 100) /
501 			    (nobj_total - nobj_loose);
502 			if (p_resolved != a->last_p_resolved) {
503 				a->last_p_resolved = p_resolved;
504 				print_resolved = 1;
505 				print_indexed = 1;
506 				print_size = 1;
507 			}
508 		}
509 
510 	}
511 	if (print_size || print_indexed || print_resolved)
512 		printf("\r");
513 	if (print_size)
514 		printf("%*s packed", FMT_SCALED_STRSIZE, scaled_size);
515 	if (print_indexed)
516 		printf("; indexing %d%%", p_indexed);
517 	if (print_resolved)
518 		printf("; resolving deltas %d%%", p_resolved);
519 	if (print_size || print_indexed || print_resolved)
520 		fflush(stdout);
521 
522 	return NULL;
523 }
524 
525 static const struct got_error *
526 add_ref(struct got_reflist_entry **new, struct got_reflist_head *refs,
527     const char *refname, struct got_repository *repo)
528 {
529 	const struct got_error *err;
530 	struct got_reference *ref;
531 
532 	*new = NULL;
533 
534 	err = got_ref_open(&ref, repo, refname, 0);
535 	if (err) {
536 		if (err->code != GOT_ERR_NOT_REF)
537 			return err;
538 
539 		/* Treat argument as a reference prefix. */
540 		err = got_ref_list(refs, repo, refname,
541 		    got_ref_cmp_by_name, NULL);
542 	} else {
543 		err = got_reflist_insert(new, refs, ref,
544 		    got_ref_cmp_by_name, NULL);
545 		if (err || *new == NULL /* duplicate */)
546 			got_ref_close(ref);
547 	}
548 
549 	return err;
550 }
551 
552 static const struct got_error *
553 cmd_pack(int argc, char *argv[])
554 {
555 	const struct got_error *error = NULL;
556 	char *repo_path = NULL;
557 	struct got_repository *repo = NULL;
558 	int ch, i, loose_obj_only = 1;
559 	struct got_object_id *pack_hash = NULL;
560 	char *id_str = NULL;
561 	struct got_pack_progress_arg ppa;
562 	FILE *packfile = NULL;
563 	struct got_pathlist_head exclude_args;
564 	struct got_pathlist_entry *pe;
565 	struct got_reflist_head exclude_refs;
566 	struct got_reflist_head include_refs;
567 	struct got_reflist_entry *re, *new;
568 
569 	TAILQ_INIT(&exclude_args);
570 	TAILQ_INIT(&exclude_refs);
571 	TAILQ_INIT(&include_refs);
572 
573 	while ((ch = getopt(argc, argv, "ar:x:")) != -1) {
574 		switch (ch) {
575 		case 'a':
576 			loose_obj_only = 0;
577 			break;
578 		case 'r':
579 			repo_path = realpath(optarg, NULL);
580 			if (repo_path == NULL)
581 				return got_error_from_errno2("realpath",
582 				    optarg);
583 			got_path_strip_trailing_slashes(repo_path);
584 			break;
585 		case 'x':
586 			got_path_strip_trailing_slashes(optarg);
587 			error = got_pathlist_append(&exclude_args,
588 			    optarg, NULL);
589 			if (error)
590 				return error;
591 			break;
592 		default:
593 			usage_pack();
594 			/* NOTREACHED */
595 		}
596 	}
597 
598 	argc -= optind;
599 	argv += optind;
600 
601 #ifndef PROFILE
602 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
603 	    NULL) == -1)
604 		err(1, "pledge");
605 #endif
606 	if (repo_path == NULL) {
607 		error = get_repo_path(&repo_path);
608 		if (error)
609 			goto done;
610 	}
611 	error = got_repo_open(&repo, repo_path, NULL);
612 	if (error)
613 		goto done;
614 
615 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
616 	if (error)
617 		goto done;
618 
619 	TAILQ_FOREACH(pe, &exclude_args, entry) {
620 		const char *refname = pe->path;
621 		error = add_ref(&new, &exclude_refs, refname, repo);
622 		if (error)
623 			goto done;
624 
625 	}
626 
627 	if (argc == 0) {
628 		error = got_ref_list(&include_refs, repo, "",
629 		    got_ref_cmp_by_name, NULL);
630 		if (error)
631 			goto done;
632 	} else {
633 		for (i = 0; i < argc; i++) {
634 			const char *refname;
635 			got_path_strip_trailing_slashes(argv[i]);
636 			refname = argv[i];
637 			error = add_ref(&new, &include_refs, refname, repo);
638 			if (error)
639 				goto done;
640 		}
641 	}
642 
643 	/* Ignore references in the refs/got/ namespace. */
644 	TAILQ_FOREACH_SAFE(re, &include_refs, entry, new) {
645 		const char *refname = got_ref_get_name(re->ref);
646 		if (strncmp("refs/got/", refname, 9) != 0)
647 			continue;
648 		TAILQ_REMOVE(&include_refs, re, entry);
649 		got_ref_close(re->ref);
650 		free(re);
651 	}
652 
653 	memset(&ppa, 0, sizeof(ppa));
654 	ppa.last_scaled_size[0] = '\0';
655 	ppa.last_p_indexed = -1;
656 	ppa.last_p_resolved = -1;
657 
658 	error = got_repo_pack_objects(&packfile, &pack_hash,
659 	    &include_refs, &exclude_refs, repo, loose_obj_only,
660 	    pack_progress, &ppa, check_cancelled, NULL);
661 	if (error) {
662 		if (ppa.printed_something)
663 			printf("\n");
664 		goto done;
665 	}
666 
667 	error = got_object_id_str(&id_str, pack_hash);
668 	if (error)
669 		goto done;
670 	printf("\nWrote %s.pack\n", id_str);
671 
672 	error = got_repo_index_pack(packfile, pack_hash, repo,
673 	    pack_index_progress, &ppa, check_cancelled, NULL);
674 	if (error)
675 		goto done;
676 	printf("\nIndexed %s.pack\n", id_str);
677 done:
678 	if (repo)
679 		got_repo_close(repo);
680 	got_pathlist_free(&exclude_args);
681 	got_ref_list_free(&exclude_refs);
682 	got_ref_list_free(&include_refs);
683 	free(id_str);
684 	free(pack_hash);
685 	free(repo_path);
686 	return error;
687 }
688 
689 __dead static void
690 usage_indexpack(void)
691 {
692 	fprintf(stderr, "usage: %s indexpack packfile-path\n",
693 	    getprogname());
694 	exit(1);
695 }
696 
697 static const struct got_error *
698 cmd_indexpack(int argc, char *argv[])
699 {
700 	const struct got_error *error = NULL;
701 	struct got_repository *repo = NULL;
702 	int ch;
703 	struct got_object_id *pack_hash = NULL;
704 	char *packfile_path = NULL;
705 	char *id_str = NULL;
706 	struct got_pack_progress_arg ppa;
707 	FILE *packfile = NULL;
708 
709 	while ((ch = getopt(argc, argv, "")) != -1) {
710 		switch (ch) {
711 		default:
712 			usage_indexpack();
713 			/* NOTREACHED */
714 		}
715 	}
716 
717 	argc -= optind;
718 	argv += optind;
719 
720 	if (argc != 1)
721 		usage_indexpack();
722 
723 	packfile_path = realpath(argv[0], NULL);
724 	if (packfile_path == NULL)
725 		return got_error_from_errno2("realpath", argv[0]);
726 
727 #ifndef PROFILE
728 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
729 	    NULL) == -1)
730 		err(1, "pledge");
731 #endif
732 
733 	error = got_repo_open(&repo, packfile_path, NULL);
734 	if (error)
735 		goto done;
736 
737 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
738 	if (error)
739 		goto done;
740 
741 	memset(&ppa, 0, sizeof(ppa));
742 	ppa.last_scaled_size[0] = '\0';
743 	ppa.last_p_indexed = -1;
744 	ppa.last_p_resolved = -1;
745 
746 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
747 	    packfile_path);
748 	if (error)
749 		goto done;
750 
751 	error = got_object_id_str(&id_str, pack_hash);
752 	if (error)
753 		goto done;
754 
755 	error = got_repo_index_pack(packfile, pack_hash, repo,
756 	    pack_index_progress, &ppa, check_cancelled, NULL);
757 	if (error)
758 		goto done;
759 	printf("\nIndexed %s.pack\n", id_str);
760 done:
761 	if (repo)
762 		got_repo_close(repo);
763 	free(id_str);
764 	free(pack_hash);
765 	return error;
766 }
767 
768 __dead static void
769 usage_listpack(void)
770 {
771 	fprintf(stderr, "usage: %s listpack [-h] [-s] packfile-path\n",
772 	    getprogname());
773 	exit(1);
774 }
775 
776 struct gotadmin_list_pack_cb_args {
777 	int nblobs;
778 	int ntrees;
779 	int ncommits;
780 	int ntags;
781 	int noffdeltas;
782 	int nrefdeltas;
783 	int human_readable;
784 };
785 
786 static const struct got_error *
787 list_pack_cb(void *arg, struct got_object_id *id, int type, off_t offset,
788     off_t size, off_t base_offset, struct got_object_id *base_id)
789 {
790 	const struct got_error *err;
791 	struct gotadmin_list_pack_cb_args *a = arg;
792 	char *id_str, *delta_str = NULL, *base_id_str = NULL;
793 	const char *type_str;
794 
795 	err = got_object_id_str(&id_str, id);	
796 	if (err)
797 		return err;
798 
799 	switch (type) {
800 	case GOT_OBJ_TYPE_BLOB:
801 		type_str = GOT_OBJ_LABEL_BLOB;
802 		a->nblobs++;
803 		break;
804 	case GOT_OBJ_TYPE_TREE:
805 		type_str = GOT_OBJ_LABEL_TREE;
806 		a->ntrees++;
807 		break;
808 	case GOT_OBJ_TYPE_COMMIT:
809 		type_str = GOT_OBJ_LABEL_COMMIT;
810 		a->ncommits++;
811 		break;
812 	case GOT_OBJ_TYPE_TAG:
813 		type_str = GOT_OBJ_LABEL_TAG;
814 		a->ntags++;
815 		break;
816 	case GOT_OBJ_TYPE_OFFSET_DELTA:
817 		type_str = "offset-delta";
818 		if (asprintf(&delta_str, " base-offset %lld",
819 		    (long long)base_offset) == -1) {
820 			err = got_error_from_errno("asprintf");
821 			goto done;
822 		}
823 		a->noffdeltas++;
824 		break;
825 	case GOT_OBJ_TYPE_REF_DELTA:
826 		type_str = "ref-delta";
827 		err = got_object_id_str(&base_id_str, base_id);	
828 		if (err)
829 			goto done;
830 		if (asprintf(&delta_str, " base-id %s", base_id_str) == -1) {
831 			err = got_error_from_errno("asprintf");
832 			goto done;
833 		}
834 		a->nrefdeltas++;
835 		break;
836 	default:
837 		err = got_error(GOT_ERR_OBJ_TYPE);
838 		goto done;
839 	}
840 	if (a->human_readable) {
841 		char scaled[FMT_SCALED_STRSIZE];
842 		char *s;;
843 		if (fmt_scaled(size, scaled) == -1) {
844 			err = got_error_from_errno("fmt_scaled");
845 			goto done;
846 		}
847 		s = scaled;
848 		while (isspace((unsigned char)*s))
849 			s++;
850 		printf("%s %s at %lld size %s%s\n", id_str, type_str,
851 		    (long long)offset, s, delta_str ? delta_str : "");
852 	} else {
853 		printf("%s %s at %lld size %lld%s\n", id_str, type_str,
854 		    (long long)offset, (long long)size,
855 		    delta_str ? delta_str : "");
856 	}
857 done:
858 	free(id_str);
859 	free(base_id_str);
860 	free(delta_str);
861 	return err;
862 }
863 
864 static const struct got_error *
865 cmd_listpack(int argc, char *argv[])
866 {
867 	const struct got_error *error = NULL;
868 	struct got_repository *repo = NULL;
869 	int ch;
870 	struct got_object_id *pack_hash = NULL;
871 	char *packfile_path = NULL;
872 	char *id_str = NULL;
873 	struct gotadmin_list_pack_cb_args lpa;
874 	FILE *packfile = NULL;
875 	int show_stats = 0, human_readable = 0;
876 
877 	while ((ch = getopt(argc, argv, "hs")) != -1) {
878 		switch (ch) {
879 		case 'h':
880 			human_readable = 1;
881 			break;
882 		case 's':
883 			show_stats = 1;
884 			break;
885 		default:
886 			usage_listpack();
887 			/* NOTREACHED */
888 		}
889 	}
890 
891 	argc -= optind;
892 	argv += optind;
893 
894 	if (argc != 1)
895 		usage_listpack();
896 	packfile_path = realpath(argv[0], NULL);
897 	if (packfile_path == NULL)
898 		return got_error_from_errno2("realpath", argv[0]);
899 
900 #ifndef PROFILE
901 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
902 	    NULL) == -1)
903 		err(1, "pledge");
904 #endif
905 	error = got_repo_open(&repo, packfile_path, NULL);
906 	if (error)
907 		goto done;
908 
909 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
910 	if (error)
911 		goto done;
912 
913 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
914 	    packfile_path);
915 	if (error)
916 		goto done;
917 	error = got_object_id_str(&id_str, pack_hash);
918 	if (error)
919 		goto done;
920 
921 	memset(&lpa, 0, sizeof(lpa));
922 	lpa.human_readable = human_readable;
923 	error = got_repo_list_pack(packfile, pack_hash, repo,
924 	    list_pack_cb, &lpa, check_cancelled, NULL);
925 	if (error)
926 		goto done;
927 	if (show_stats) {
928 		printf("objects: %d\n  blobs: %d\n  trees: %d\n  commits: %d\n"
929 		    "  tags: %d\n  offset-deltas: %d\n  ref-deltas: %d\n",
930 		    lpa.nblobs + lpa.ntrees + lpa.ncommits + lpa.ntags +
931 		    lpa.noffdeltas + lpa.nrefdeltas,
932 		    lpa.nblobs, lpa.ntrees, lpa.ncommits, lpa.ntags,
933 		    lpa.noffdeltas, lpa.nrefdeltas);
934 	}
935 done:
936 	if (repo)
937 		got_repo_close(repo);
938 	free(id_str);
939 	free(pack_hash);
940 	free(packfile_path);
941 	return error;
942 }
943 
944 __dead static void
945 usage_cleanup(void)
946 {
947 	fprintf(stderr, "usage: %s cleanup [-a] [-p] [-n] [-r repository-path] "
948 	    "[-q]\n", getprogname());
949 	exit(1);
950 }
951 
952 struct got_cleanup_progress_arg {
953 	int last_nloose;
954 	int last_ncommits;
955 	int last_npurged;
956 	int verbosity;
957 	int printed_something;
958 	int dry_run;
959 };
960 
961 static const struct got_error *
962 cleanup_progress(void *arg, int nloose, int ncommits, int npurged)
963 {
964 	struct got_cleanup_progress_arg *a = arg;
965 	int print_loose = 0, print_commits = 0, print_purged = 0;
966 
967 	if (a->last_nloose != nloose) {
968 		print_loose = 1;
969 		a->last_nloose = nloose;
970 	}
971 	if (a->last_ncommits != ncommits) {
972 		print_loose = 1;
973 		print_commits = 1;
974 		a->last_ncommits = ncommits;
975 	}
976 	if (a->last_npurged != npurged) {
977 		print_loose = 1;
978 		print_commits = 1;
979 		print_purged = 1;
980 		a->last_npurged = npurged;
981 	}
982 
983 	if (a->verbosity < 0)
984 		return NULL;
985 
986 	if (print_loose || print_commits || print_purged)
987 		printf("\r");
988 	if (print_loose)
989 		printf("%d loose object%s", nloose, nloose == 1 ? "" : "s");
990 	if (print_commits)
991 		printf("; %d commit%s scanned", ncommits,
992 		    ncommits == 1 ? "" : "s");
993 	if (print_purged) {
994 		if (a->dry_run) {
995 			printf("; %d object%s could be purged", npurged,
996 			    npurged == 1 ? "" : "s");
997 		} else {
998 			printf("; %d object%s purged", npurged,
999 			    npurged == 1 ? "" : "s");
1000 		}
1001 	}
1002 	if (print_loose || print_commits || print_purged) {
1003 		a->printed_something = 1;
1004 		fflush(stdout);
1005 	}
1006 	return NULL;
1007 }
1008 
1009 struct got_lonely_packidx_progress_arg {
1010 	int verbosity;
1011 	int printed_something;
1012 	int dry_run;
1013 };
1014 
1015 static const struct got_error *
1016 lonely_packidx_progress(void *arg, const char *path)
1017 {
1018 	struct got_lonely_packidx_progress_arg *a = arg;
1019 
1020 	if (a->verbosity < 0)
1021 		return NULL;
1022 
1023 	if (a->dry_run)
1024 		printf("%s could be removed\n", path);
1025 	else
1026 		printf("%s removed\n", path);
1027 
1028 	a->printed_something = 1;
1029 	return NULL;
1030 }
1031 
1032 static const struct got_error *
1033 cmd_cleanup(int argc, char *argv[])
1034 {
1035 	const struct got_error *error = NULL;
1036 	char *repo_path = NULL;
1037 	struct got_repository *repo = NULL;
1038 	int ch, dry_run = 0, npacked = 0, verbosity = 0;
1039 	int remove_lonely_packidx = 0, ignore_mtime = 0;
1040 	struct got_cleanup_progress_arg cpa;
1041 	struct got_lonely_packidx_progress_arg lpa;
1042 	off_t size_before, size_after;
1043 	char scaled_before[FMT_SCALED_STRSIZE];
1044 	char scaled_after[FMT_SCALED_STRSIZE];
1045 	char scaled_diff[FMT_SCALED_STRSIZE];
1046 	char **extensions;
1047 	int nextensions, i;
1048 
1049 	while ((ch = getopt(argc, argv, "apr:nq")) != -1) {
1050 		switch (ch) {
1051 		case 'a':
1052 			ignore_mtime = 1;
1053 			break;
1054 		case 'p':
1055 			remove_lonely_packidx = 1;
1056 			break;
1057 		case 'r':
1058 			repo_path = realpath(optarg, NULL);
1059 			if (repo_path == NULL)
1060 				return got_error_from_errno2("realpath",
1061 				    optarg);
1062 			got_path_strip_trailing_slashes(repo_path);
1063 			break;
1064 		case 'n':
1065 			dry_run = 1;
1066 			break;
1067 		case 'q':
1068 			verbosity = -1;
1069 			break;
1070 		default:
1071 			usage_cleanup();
1072 			/* NOTREACHED */
1073 		}
1074 	}
1075 
1076 	argc -= optind;
1077 	argv += optind;
1078 
1079 #ifndef PROFILE
1080 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1081 	    NULL) == -1)
1082 		err(1, "pledge");
1083 #endif
1084 	if (repo_path == NULL) {
1085 		error = get_repo_path(&repo_path);
1086 		if (error)
1087 			goto done;
1088 	}
1089 	error = got_repo_open(&repo, repo_path, NULL);
1090 	if (error)
1091 		goto done;
1092 
1093 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
1094 	if (error)
1095 		goto done;
1096 
1097 	got_repo_get_gitconfig_extensions(&extensions, &nextensions,
1098 	    repo);
1099 	for (i = 0; i < nextensions; i++) {
1100 		if (strcasecmp(extensions[i], "preciousObjects") == 0) {
1101 			error = got_error_msg(GOT_ERR_GIT_REPO_EXT,
1102 			    "the preciousObjects Git extension is enabled; "
1103 			    "this implies that objects must not be deleted");
1104 			goto done;
1105 		}
1106 	}
1107 
1108 	if (remove_lonely_packidx) {
1109 		memset(&lpa, 0, sizeof(lpa));
1110 		lpa.dry_run = dry_run;
1111 		lpa.verbosity = verbosity;
1112 		error = got_repo_remove_lonely_packidx(repo, dry_run,
1113 		    lonely_packidx_progress, &lpa, check_cancelled, NULL);
1114 		goto done;
1115 	}
1116 
1117 	memset(&cpa, 0, sizeof(cpa));
1118 	cpa.last_ncommits = -1;
1119 	cpa.last_npurged = -1;
1120 	cpa.dry_run = dry_run;
1121 	cpa.verbosity = verbosity;
1122 	error = got_repo_purge_unreferenced_loose_objects(repo,
1123 	    &size_before, &size_after, &npacked, dry_run, ignore_mtime,
1124 	    cleanup_progress, &cpa, check_cancelled, NULL);
1125 	if (cpa.printed_something)
1126 		printf("\n");
1127 	if (error)
1128 		goto done;
1129 	if (cpa.printed_something) {
1130 		if (fmt_scaled(size_before, scaled_before) == -1) {
1131 			error = got_error_from_errno("fmt_scaled");
1132 			goto done;
1133 		}
1134 		if (fmt_scaled(size_after, scaled_after) == -1) {
1135 			error = got_error_from_errno("fmt_scaled");
1136 			goto done;
1137 		}
1138 		if (fmt_scaled(size_before - size_after, scaled_diff) == -1) {
1139 			error = got_error_from_errno("fmt_scaled");
1140 			goto done;
1141 		}
1142 		printf("loose total size before: %s\n", scaled_before);
1143 		printf("loose total size after: %s\n", scaled_after);
1144 		if (dry_run) {
1145 			printf("disk space which would be freed: %s\n",
1146 			    scaled_diff);
1147 		} else
1148 			printf("disk space freed: %s\n", scaled_diff);
1149 		printf("loose objects also found in pack files: %d\n", npacked);
1150 	}
1151 done:
1152 	if (repo)
1153 		got_repo_close(repo);
1154 	free(repo_path);
1155 	return error;
1156 }