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 const 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 		const 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 	const struct gotadmin_cmd *cmd;
118 	size_t i;
119 	int ch;
120 	int hflag = 0, Vflag = 0;
121 	static const 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 			cmd->cmd_usage();
169 
170 		error = cmd->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_ncolored;
384 	int last_nfound;
385 	int last_ntrees;
386 	int loading_done;
387 	int last_ncommits;
388 	int last_nobj_total;
389 	int last_p_deltify;
390 	int last_p_written;
391 	int last_p_indexed;
392 	int last_p_resolved;
393 	int verbosity;
394 	int printed_something;
395 };
396 
397 static void
398 print_load_info(int print_colored, int print_found, int print_trees,
399     int ncolored, int nfound, int ntrees)
400 {
401 	if (print_colored) {
402 		printf("%d commit%s colored", ncolored,
403 		    ncolored == 1 ? "" : "s");
404 	}
405 	if (print_found) {
406 		printf("%s%d object%s found",
407 		    ncolored > 0 ? "; " : "",
408 		    nfound, nfound == 1 ? "" : "s");
409 	}
410 	if (print_trees) {
411 		printf("; %d tree%s scanned", ntrees,
412 		    ntrees == 1 ? "" : "s");
413 	}
414 }
415 
416 static const struct got_error *
417 pack_progress(void *arg, int ncolored, int nfound, int ntrees,
418     off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
419     int nobj_written)
420 {
421 	struct got_pack_progress_arg *a = arg;
422 	char scaled_size[FMT_SCALED_STRSIZE];
423 	int p_deltify, p_written;
424 	int print_colored = 0, print_found = 0, print_trees = 0;
425 	int print_searching = 0, print_total = 0;
426 	int print_deltify = 0, print_written = 0;
427 
428 	if (a->verbosity < 0)
429 		return NULL;
430 
431 	if (a->last_ncolored != ncolored) {
432 		print_colored = 1;
433 		a->last_ncolored = ncolored;
434 	}
435 
436 	if (a->last_nfound != nfound) {
437 		print_colored = 1;
438 		print_found = 1;
439 		a->last_nfound = nfound;
440 	}
441 
442 	if (a->last_ntrees != ntrees) {
443 		print_colored = 1;
444 		print_found = 1;
445 		print_trees = 1;
446 		a->last_ntrees = ntrees;
447 	}
448 
449 	if ((print_colored || print_found || print_trees) &&
450 	    !a->loading_done) {
451 		printf("\r");
452 		print_load_info(print_colored, print_found, print_trees,
453 		    ncolored, nfound, ntrees);
454 		a->printed_something = 1;
455 		fflush(stdout);
456 		return NULL;
457 	} else if (!a->loading_done) {
458 		printf("\r");
459 		print_load_info(1, 1, 1, ncolored, nfound, ntrees);
460 		printf("\n");
461 		a->loading_done = 1;
462 	}
463 
464 	if (fmt_scaled(packfile_size, scaled_size) == -1)
465 		return got_error_from_errno("fmt_scaled");
466 
467 	if (a->last_ncommits != ncommits) {
468 		print_searching = 1;
469 		a->last_ncommits = ncommits;
470 	}
471 
472 	if (a->last_nobj_total != nobj_total) {
473 		print_searching = 1;
474 		print_total = 1;
475 		a->last_nobj_total = nobj_total;
476 	}
477 
478 	if (packfile_size > 0 && (a->last_scaled_size[0] == '\0' ||
479 	    strcmp(scaled_size, a->last_scaled_size)) != 0) {
480 		if (strlcpy(a->last_scaled_size, scaled_size,
481 		    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
482 			return got_error(GOT_ERR_NO_SPACE);
483 	}
484 
485 	if (nobj_deltify > 0 || nobj_written > 0) {
486 		if (nobj_deltify > 0) {
487 			p_deltify = (nobj_deltify * 100) / nobj_total;
488 			if (p_deltify != a->last_p_deltify) {
489 				a->last_p_deltify = p_deltify;
490 				print_searching = 1;
491 				print_total = 1;
492 				print_deltify = 1;
493 			}
494 		}
495 		if (nobj_written > 0) {
496 			p_written = (nobj_written * 100) / nobj_total;
497 			if (p_written != a->last_p_written) {
498 				a->last_p_written = p_written;
499 				print_searching = 1;
500 				print_total = 1;
501 				print_deltify = 1;
502 				print_written = 1;
503 			}
504 		}
505 	}
506 
507 	if (print_searching || print_total || print_deltify || print_written)
508 		printf("\r");
509 	if (print_searching)
510 		printf("packing %d reference%s", ncommits,
511 		    ncommits == 1 ? "" : "s");
512 	if (print_total)
513 		printf("; %d object%s", nobj_total,
514 		    nobj_total == 1 ? "" : "s");
515 	if (print_deltify)
516 		printf("; deltify: %d%%", p_deltify);
517 	if (print_written)
518 		printf("; writing pack: %*s %d%%", FMT_SCALED_STRSIZE - 2,
519 		    scaled_size, p_written);
520 	if (print_searching || print_total || print_deltify ||
521 	    print_written) {
522 		a->printed_something = 1;
523 		fflush(stdout);
524 	}
525 	return NULL;
526 }
527 
528 static const struct got_error *
529 pack_index_progress(void *arg, off_t packfile_size, int nobj_total,
530     int nobj_indexed, int nobj_loose, int nobj_resolved)
531 {
532 	struct got_pack_progress_arg *a = arg;
533 	char scaled_size[FMT_SCALED_STRSIZE];
534 	int p_indexed, p_resolved;
535 	int print_size = 0, print_indexed = 0, print_resolved = 0;
536 
537 	if (a->verbosity < 0)
538 		return NULL;
539 
540 	if (packfile_size > 0 || nobj_indexed > 0) {
541 		if (fmt_scaled(packfile_size, scaled_size) == 0 &&
542 		    (a->last_scaled_size[0] == '\0' ||
543 		    strcmp(scaled_size, a->last_scaled_size)) != 0) {
544 			print_size = 1;
545 			if (strlcpy(a->last_scaled_size, scaled_size,
546 			    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
547 				return got_error(GOT_ERR_NO_SPACE);
548 		}
549 		if (nobj_indexed > 0) {
550 			p_indexed = (nobj_indexed * 100) / nobj_total;
551 			if (p_indexed != a->last_p_indexed) {
552 				a->last_p_indexed = p_indexed;
553 				print_indexed = 1;
554 				print_size = 1;
555 			}
556 		}
557 		if (nobj_resolved > 0) {
558 			p_resolved = (nobj_resolved * 100) /
559 			    (nobj_total - nobj_loose);
560 			if (p_resolved != a->last_p_resolved) {
561 				a->last_p_resolved = p_resolved;
562 				print_resolved = 1;
563 				print_indexed = 1;
564 				print_size = 1;
565 			}
566 		}
567 
568 	}
569 	if (print_size || print_indexed || print_resolved)
570 		printf("\r");
571 	if (print_size)
572 		printf("%*s packed", FMT_SCALED_STRSIZE - 2, scaled_size);
573 	if (print_indexed)
574 		printf("; indexing %d%%", p_indexed);
575 	if (print_resolved)
576 		printf("; resolving deltas %d%%", p_resolved);
577 	if (print_size || print_indexed || print_resolved)
578 		fflush(stdout);
579 
580 	return NULL;
581 }
582 
583 static const struct got_error *
584 add_ref(struct got_reflist_entry **new, struct got_reflist_head *refs,
585     const char *refname, struct got_repository *repo)
586 {
587 	const struct got_error *err;
588 	struct got_reference *ref;
589 
590 	*new = NULL;
591 
592 	err = got_ref_open(&ref, repo, refname, 0);
593 	if (err) {
594 		if (err->code != GOT_ERR_NOT_REF)
595 			return err;
596 
597 		/* Treat argument as a reference prefix. */
598 		err = got_ref_list(refs, repo, refname,
599 		    got_ref_cmp_by_name, NULL);
600 	} else {
601 		err = got_reflist_insert(new, refs, ref,
602 		    got_ref_cmp_by_name, NULL);
603 		if (err || *new == NULL /* duplicate */)
604 			got_ref_close(ref);
605 	}
606 
607 	return err;
608 }
609 
610 static const struct got_error *
611 cmd_pack(int argc, char *argv[])
612 {
613 	const struct got_error *error = NULL;
614 	char *repo_path = NULL;
615 	struct got_repository *repo = NULL;
616 	int ch, i, loose_obj_only = 1;
617 	struct got_object_id *pack_hash = NULL;
618 	char *id_str = NULL;
619 	struct got_pack_progress_arg ppa;
620 	FILE *packfile = NULL;
621 	struct got_pathlist_head exclude_args;
622 	struct got_pathlist_entry *pe;
623 	struct got_reflist_head exclude_refs;
624 	struct got_reflist_head include_refs;
625 	struct got_reflist_entry *re, *new;
626 
627 	TAILQ_INIT(&exclude_args);
628 	TAILQ_INIT(&exclude_refs);
629 	TAILQ_INIT(&include_refs);
630 
631 	while ((ch = getopt(argc, argv, "ar:x:")) != -1) {
632 		switch (ch) {
633 		case 'a':
634 			loose_obj_only = 0;
635 			break;
636 		case 'r':
637 			repo_path = realpath(optarg, NULL);
638 			if (repo_path == NULL)
639 				return got_error_from_errno2("realpath",
640 				    optarg);
641 			got_path_strip_trailing_slashes(repo_path);
642 			break;
643 		case 'x':
644 			got_path_strip_trailing_slashes(optarg);
645 			error = got_pathlist_append(&exclude_args,
646 			    optarg, NULL);
647 			if (error)
648 				return error;
649 			break;
650 		default:
651 			usage_pack();
652 			/* NOTREACHED */
653 		}
654 	}
655 
656 	argc -= optind;
657 	argv += optind;
658 
659 #ifndef PROFILE
660 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
661 	    NULL) == -1)
662 		err(1, "pledge");
663 #endif
664 	if (repo_path == NULL) {
665 		error = get_repo_path(&repo_path);
666 		if (error)
667 			goto done;
668 	}
669 	error = got_repo_open(&repo, repo_path, NULL);
670 	if (error)
671 		goto done;
672 
673 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
674 	if (error)
675 		goto done;
676 
677 	TAILQ_FOREACH(pe, &exclude_args, entry) {
678 		const char *refname = pe->path;
679 		error = add_ref(&new, &exclude_refs, refname, repo);
680 		if (error)
681 			goto done;
682 
683 	}
684 
685 	if (argc == 0) {
686 		error = got_ref_list(&include_refs, repo, "",
687 		    got_ref_cmp_by_name, NULL);
688 		if (error)
689 			goto done;
690 	} else {
691 		for (i = 0; i < argc; i++) {
692 			const char *refname;
693 			got_path_strip_trailing_slashes(argv[i]);
694 			refname = argv[i];
695 			error = add_ref(&new, &include_refs, refname, repo);
696 			if (error)
697 				goto done;
698 		}
699 	}
700 
701 	/* Ignore references in the refs/got/ namespace. */
702 	TAILQ_FOREACH_SAFE(re, &include_refs, entry, new) {
703 		const char *refname = got_ref_get_name(re->ref);
704 		if (strncmp("refs/got/", refname, 9) != 0)
705 			continue;
706 		TAILQ_REMOVE(&include_refs, re, entry);
707 		got_ref_close(re->ref);
708 		free(re);
709 	}
710 
711 	memset(&ppa, 0, sizeof(ppa));
712 	ppa.last_scaled_size[0] = '\0';
713 	ppa.last_p_indexed = -1;
714 	ppa.last_p_resolved = -1;
715 
716 	error = got_repo_pack_objects(&packfile, &pack_hash,
717 	    &include_refs, &exclude_refs, repo, loose_obj_only,
718 	    pack_progress, &ppa, check_cancelled, NULL);
719 	if (error) {
720 		if (ppa.printed_something)
721 			printf("\n");
722 		goto done;
723 	}
724 
725 	error = got_object_id_str(&id_str, pack_hash);
726 	if (error)
727 		goto done;
728 	printf("\nWrote %s.pack\n", id_str);
729 
730 	error = got_repo_index_pack(packfile, pack_hash, repo,
731 	    pack_index_progress, &ppa, check_cancelled, NULL);
732 	if (error)
733 		goto done;
734 	printf("\nIndexed %s.pack\n", id_str);
735 done:
736 	if (repo)
737 		got_repo_close(repo);
738 	got_pathlist_free(&exclude_args);
739 	got_ref_list_free(&exclude_refs);
740 	got_ref_list_free(&include_refs);
741 	free(id_str);
742 	free(pack_hash);
743 	free(repo_path);
744 	return error;
745 }
746 
747 __dead static void
748 usage_indexpack(void)
749 {
750 	fprintf(stderr, "usage: %s indexpack packfile-path\n",
751 	    getprogname());
752 	exit(1);
753 }
754 
755 static const struct got_error *
756 cmd_indexpack(int argc, char *argv[])
757 {
758 	const struct got_error *error = NULL;
759 	struct got_repository *repo = NULL;
760 	int ch;
761 	struct got_object_id *pack_hash = NULL;
762 	char *packfile_path = NULL;
763 	char *id_str = NULL;
764 	struct got_pack_progress_arg ppa;
765 	FILE *packfile = NULL;
766 
767 	while ((ch = getopt(argc, argv, "")) != -1) {
768 		switch (ch) {
769 		default:
770 			usage_indexpack();
771 			/* NOTREACHED */
772 		}
773 	}
774 
775 	argc -= optind;
776 	argv += optind;
777 
778 	if (argc != 1)
779 		usage_indexpack();
780 
781 	packfile_path = realpath(argv[0], NULL);
782 	if (packfile_path == NULL)
783 		return got_error_from_errno2("realpath", argv[0]);
784 
785 #ifndef PROFILE
786 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
787 	    NULL) == -1)
788 		err(1, "pledge");
789 #endif
790 
791 	error = got_repo_open(&repo, packfile_path, NULL);
792 	if (error)
793 		goto done;
794 
795 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
796 	if (error)
797 		goto done;
798 
799 	memset(&ppa, 0, sizeof(ppa));
800 	ppa.last_scaled_size[0] = '\0';
801 	ppa.last_p_indexed = -1;
802 	ppa.last_p_resolved = -1;
803 
804 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
805 	    packfile_path);
806 	if (error)
807 		goto done;
808 
809 	error = got_object_id_str(&id_str, pack_hash);
810 	if (error)
811 		goto done;
812 
813 	error = got_repo_index_pack(packfile, pack_hash, repo,
814 	    pack_index_progress, &ppa, check_cancelled, NULL);
815 	if (error)
816 		goto done;
817 	printf("\nIndexed %s.pack\n", id_str);
818 done:
819 	if (repo)
820 		got_repo_close(repo);
821 	free(id_str);
822 	free(pack_hash);
823 	return error;
824 }
825 
826 __dead static void
827 usage_listpack(void)
828 {
829 	fprintf(stderr, "usage: %s listpack [-h] [-s] packfile-path\n",
830 	    getprogname());
831 	exit(1);
832 }
833 
834 struct gotadmin_list_pack_cb_args {
835 	int nblobs;
836 	int ntrees;
837 	int ncommits;
838 	int ntags;
839 	int noffdeltas;
840 	int nrefdeltas;
841 	int human_readable;
842 };
843 
844 static const struct got_error *
845 list_pack_cb(void *arg, struct got_object_id *id, int type, off_t offset,
846     off_t size, off_t base_offset, struct got_object_id *base_id)
847 {
848 	const struct got_error *err;
849 	struct gotadmin_list_pack_cb_args *a = arg;
850 	char *id_str, *delta_str = NULL, *base_id_str = NULL;
851 	const char *type_str;
852 
853 	err = got_object_id_str(&id_str, id);	
854 	if (err)
855 		return err;
856 
857 	switch (type) {
858 	case GOT_OBJ_TYPE_BLOB:
859 		type_str = GOT_OBJ_LABEL_BLOB;
860 		a->nblobs++;
861 		break;
862 	case GOT_OBJ_TYPE_TREE:
863 		type_str = GOT_OBJ_LABEL_TREE;
864 		a->ntrees++;
865 		break;
866 	case GOT_OBJ_TYPE_COMMIT:
867 		type_str = GOT_OBJ_LABEL_COMMIT;
868 		a->ncommits++;
869 		break;
870 	case GOT_OBJ_TYPE_TAG:
871 		type_str = GOT_OBJ_LABEL_TAG;
872 		a->ntags++;
873 		break;
874 	case GOT_OBJ_TYPE_OFFSET_DELTA:
875 		type_str = "offset-delta";
876 		if (asprintf(&delta_str, " base-offset %lld",
877 		    (long long)base_offset) == -1) {
878 			err = got_error_from_errno("asprintf");
879 			goto done;
880 		}
881 		a->noffdeltas++;
882 		break;
883 	case GOT_OBJ_TYPE_REF_DELTA:
884 		type_str = "ref-delta";
885 		err = got_object_id_str(&base_id_str, base_id);	
886 		if (err)
887 			goto done;
888 		if (asprintf(&delta_str, " base-id %s", base_id_str) == -1) {
889 			err = got_error_from_errno("asprintf");
890 			goto done;
891 		}
892 		a->nrefdeltas++;
893 		break;
894 	default:
895 		err = got_error(GOT_ERR_OBJ_TYPE);
896 		goto done;
897 	}
898 	if (a->human_readable) {
899 		char scaled[FMT_SCALED_STRSIZE];
900 		char *s;;
901 		if (fmt_scaled(size, scaled) == -1) {
902 			err = got_error_from_errno("fmt_scaled");
903 			goto done;
904 		}
905 		s = scaled;
906 		while (isspace((unsigned char)*s))
907 			s++;
908 		printf("%s %s at %lld size %s%s\n", id_str, type_str,
909 		    (long long)offset, s, delta_str ? delta_str : "");
910 	} else {
911 		printf("%s %s at %lld size %lld%s\n", id_str, type_str,
912 		    (long long)offset, (long long)size,
913 		    delta_str ? delta_str : "");
914 	}
915 done:
916 	free(id_str);
917 	free(base_id_str);
918 	free(delta_str);
919 	return err;
920 }
921 
922 static const struct got_error *
923 cmd_listpack(int argc, char *argv[])
924 {
925 	const struct got_error *error = NULL;
926 	struct got_repository *repo = NULL;
927 	int ch;
928 	struct got_object_id *pack_hash = NULL;
929 	char *packfile_path = NULL;
930 	char *id_str = NULL;
931 	struct gotadmin_list_pack_cb_args lpa;
932 	FILE *packfile = NULL;
933 	int show_stats = 0, human_readable = 0;
934 
935 	while ((ch = getopt(argc, argv, "hs")) != -1) {
936 		switch (ch) {
937 		case 'h':
938 			human_readable = 1;
939 			break;
940 		case 's':
941 			show_stats = 1;
942 			break;
943 		default:
944 			usage_listpack();
945 			/* NOTREACHED */
946 		}
947 	}
948 
949 	argc -= optind;
950 	argv += optind;
951 
952 	if (argc != 1)
953 		usage_listpack();
954 	packfile_path = realpath(argv[0], NULL);
955 	if (packfile_path == NULL)
956 		return got_error_from_errno2("realpath", argv[0]);
957 
958 #ifndef PROFILE
959 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
960 	    NULL) == -1)
961 		err(1, "pledge");
962 #endif
963 	error = got_repo_open(&repo, packfile_path, NULL);
964 	if (error)
965 		goto done;
966 
967 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
968 	if (error)
969 		goto done;
970 
971 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
972 	    packfile_path);
973 	if (error)
974 		goto done;
975 	error = got_object_id_str(&id_str, pack_hash);
976 	if (error)
977 		goto done;
978 
979 	memset(&lpa, 0, sizeof(lpa));
980 	lpa.human_readable = human_readable;
981 	error = got_repo_list_pack(packfile, pack_hash, repo,
982 	    list_pack_cb, &lpa, check_cancelled, NULL);
983 	if (error)
984 		goto done;
985 	if (show_stats) {
986 		printf("objects: %d\n  blobs: %d\n  trees: %d\n  commits: %d\n"
987 		    "  tags: %d\n  offset-deltas: %d\n  ref-deltas: %d\n",
988 		    lpa.nblobs + lpa.ntrees + lpa.ncommits + lpa.ntags +
989 		    lpa.noffdeltas + lpa.nrefdeltas,
990 		    lpa.nblobs, lpa.ntrees, lpa.ncommits, lpa.ntags,
991 		    lpa.noffdeltas, lpa.nrefdeltas);
992 	}
993 done:
994 	if (repo)
995 		got_repo_close(repo);
996 	free(id_str);
997 	free(pack_hash);
998 	free(packfile_path);
999 	return error;
1000 }
1001 
1002 __dead static void
1003 usage_cleanup(void)
1004 {
1005 	fprintf(stderr, "usage: %s cleanup [-a] [-p] [-n] [-r repository-path] "
1006 	    "[-q]\n", getprogname());
1007 	exit(1);
1008 }
1009 
1010 struct got_cleanup_progress_arg {
1011 	int last_nloose;
1012 	int last_ncommits;
1013 	int last_npurged;
1014 	int verbosity;
1015 	int printed_something;
1016 	int dry_run;
1017 };
1018 
1019 static const struct got_error *
1020 cleanup_progress(void *arg, int nloose, int ncommits, int npurged)
1021 {
1022 	struct got_cleanup_progress_arg *a = arg;
1023 	int print_loose = 0, print_commits = 0, print_purged = 0;
1024 
1025 	if (a->last_nloose != nloose) {
1026 		print_loose = 1;
1027 		a->last_nloose = nloose;
1028 	}
1029 	if (a->last_ncommits != ncommits) {
1030 		print_loose = 1;
1031 		print_commits = 1;
1032 		a->last_ncommits = ncommits;
1033 	}
1034 	if (a->last_npurged != npurged) {
1035 		print_loose = 1;
1036 		print_commits = 1;
1037 		print_purged = 1;
1038 		a->last_npurged = npurged;
1039 	}
1040 
1041 	if (a->verbosity < 0)
1042 		return NULL;
1043 
1044 	if (print_loose || print_commits || print_purged)
1045 		printf("\r");
1046 	if (print_loose)
1047 		printf("%d loose object%s", nloose, nloose == 1 ? "" : "s");
1048 	if (print_commits)
1049 		printf("; %d commit%s scanned", ncommits,
1050 		    ncommits == 1 ? "" : "s");
1051 	if (print_purged) {
1052 		if (a->dry_run) {
1053 			printf("; %d object%s could be purged", npurged,
1054 			    npurged == 1 ? "" : "s");
1055 		} else {
1056 			printf("; %d object%s purged", npurged,
1057 			    npurged == 1 ? "" : "s");
1058 		}
1059 	}
1060 	if (print_loose || print_commits || print_purged) {
1061 		a->printed_something = 1;
1062 		fflush(stdout);
1063 	}
1064 	return NULL;
1065 }
1066 
1067 struct got_lonely_packidx_progress_arg {
1068 	int verbosity;
1069 	int printed_something;
1070 	int dry_run;
1071 };
1072 
1073 static const struct got_error *
1074 lonely_packidx_progress(void *arg, const char *path)
1075 {
1076 	struct got_lonely_packidx_progress_arg *a = arg;
1077 
1078 	if (a->verbosity < 0)
1079 		return NULL;
1080 
1081 	if (a->dry_run)
1082 		printf("%s could be removed\n", path);
1083 	else
1084 		printf("%s removed\n", path);
1085 
1086 	a->printed_something = 1;
1087 	return NULL;
1088 }
1089 
1090 static const struct got_error *
1091 cmd_cleanup(int argc, char *argv[])
1092 {
1093 	const struct got_error *error = NULL;
1094 	char *repo_path = NULL;
1095 	struct got_repository *repo = NULL;
1096 	int ch, dry_run = 0, npacked = 0, verbosity = 0;
1097 	int remove_lonely_packidx = 0, ignore_mtime = 0;
1098 	struct got_cleanup_progress_arg cpa;
1099 	struct got_lonely_packidx_progress_arg lpa;
1100 	off_t size_before, size_after;
1101 	char scaled_before[FMT_SCALED_STRSIZE];
1102 	char scaled_after[FMT_SCALED_STRSIZE];
1103 	char scaled_diff[FMT_SCALED_STRSIZE];
1104 	char **extensions;
1105 	int nextensions, i;
1106 
1107 	while ((ch = getopt(argc, argv, "apr:nq")) != -1) {
1108 		switch (ch) {
1109 		case 'a':
1110 			ignore_mtime = 1;
1111 			break;
1112 		case 'p':
1113 			remove_lonely_packidx = 1;
1114 			break;
1115 		case 'r':
1116 			repo_path = realpath(optarg, NULL);
1117 			if (repo_path == NULL)
1118 				return got_error_from_errno2("realpath",
1119 				    optarg);
1120 			got_path_strip_trailing_slashes(repo_path);
1121 			break;
1122 		case 'n':
1123 			dry_run = 1;
1124 			break;
1125 		case 'q':
1126 			verbosity = -1;
1127 			break;
1128 		default:
1129 			usage_cleanup();
1130 			/* NOTREACHED */
1131 		}
1132 	}
1133 
1134 	argc -= optind;
1135 	argv += optind;
1136 
1137 #ifndef PROFILE
1138 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1139 	    NULL) == -1)
1140 		err(1, "pledge");
1141 #endif
1142 	if (repo_path == NULL) {
1143 		error = get_repo_path(&repo_path);
1144 		if (error)
1145 			goto done;
1146 	}
1147 	error = got_repo_open(&repo, repo_path, NULL);
1148 	if (error)
1149 		goto done;
1150 
1151 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
1152 	if (error)
1153 		goto done;
1154 
1155 	got_repo_get_gitconfig_extensions(&extensions, &nextensions,
1156 	    repo);
1157 	for (i = 0; i < nextensions; i++) {
1158 		if (strcasecmp(extensions[i], "preciousObjects") == 0) {
1159 			error = got_error_msg(GOT_ERR_GIT_REPO_EXT,
1160 			    "the preciousObjects Git extension is enabled; "
1161 			    "this implies that objects must not be deleted");
1162 			goto done;
1163 		}
1164 	}
1165 
1166 	if (remove_lonely_packidx) {
1167 		memset(&lpa, 0, sizeof(lpa));
1168 		lpa.dry_run = dry_run;
1169 		lpa.verbosity = verbosity;
1170 		error = got_repo_remove_lonely_packidx(repo, dry_run,
1171 		    lonely_packidx_progress, &lpa, check_cancelled, NULL);
1172 		goto done;
1173 	}
1174 
1175 	memset(&cpa, 0, sizeof(cpa));
1176 	cpa.last_ncommits = -1;
1177 	cpa.last_npurged = -1;
1178 	cpa.dry_run = dry_run;
1179 	cpa.verbosity = verbosity;
1180 	error = got_repo_purge_unreferenced_loose_objects(repo,
1181 	    &size_before, &size_after, &npacked, dry_run, ignore_mtime,
1182 	    cleanup_progress, &cpa, check_cancelled, NULL);
1183 	if (cpa.printed_something)
1184 		printf("\n");
1185 	if (error)
1186 		goto done;
1187 	if (cpa.printed_something) {
1188 		if (fmt_scaled(size_before, scaled_before) == -1) {
1189 			error = got_error_from_errno("fmt_scaled");
1190 			goto done;
1191 		}
1192 		if (fmt_scaled(size_after, scaled_after) == -1) {
1193 			error = got_error_from_errno("fmt_scaled");
1194 			goto done;
1195 		}
1196 		if (fmt_scaled(size_before - size_after, scaled_diff) == -1) {
1197 			error = got_error_from_errno("fmt_scaled");
1198 			goto done;
1199 		}
1200 		printf("loose total size before: %s\n", scaled_before);
1201 		printf("loose total size after: %s\n", scaled_after);
1202 		if (dry_run) {
1203 			printf("disk space which would be freed: %s\n",
1204 			    scaled_diff);
1205 		} else
1206 			printf("disk space freed: %s\n", scaled_diff);
1207 		printf("loose objects also found in pack files: %d\n", npacked);
1208 	}
1209 done:
1210 	if (repo)
1211 		got_repo_close(repo);
1212 	free(repo_path);
1213 	return error;
1214 }