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