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/queue.h>
18 #include <sys/types.h>
19 
20 #include <ctype.h>
21 #include <getopt.h>
22 #include <err.h>
23 #include <errno.h>
24 #include <locale.h>
25 #include <inttypes.h>
26 #include <sha1.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <signal.h>
30 #include <string.h>
31 #include <unistd.h>
32 #include <util.h>
33 
34 #include "got_version.h"
35 #include "got_error.h"
36 #include "got_object.h"
37 #include "got_reference.h"
38 #include "got_cancel.h"
39 #include "got_repository.h"
40 #include "got_repository_admin.h"
41 #include "got_gotconfig.h"
42 #include "got_path.h"
43 #include "got_privsep.h"
44 #include "got_opentemp.h"
45 #include "got_worktree.h"
46 
47 #ifndef nitems
48 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
49 #endif
50 
51 static volatile sig_atomic_t sigint_received;
52 static volatile sig_atomic_t sigpipe_received;
53 
54 static void
55 catch_sigint(int signo)
56 {
57 	sigint_received = 1;
58 }
59 
60 static void
61 catch_sigpipe(int signo)
62 {
63 	sigpipe_received = 1;
64 }
65 
66 static const struct got_error *
67 check_cancelled(void *arg)
68 {
69 	if (sigint_received || sigpipe_received)
70 		return got_error(GOT_ERR_CANCELLED);
71 	return NULL;
72 }
73 
74 struct gotadmin_cmd {
75 	const char	*cmd_name;
76 	const struct got_error *(*cmd_main)(int, char *[]);
77 	void		(*cmd_usage)(void);
78 	const char	*cmd_alias;
79 };
80 
81 __dead static void	usage(int, int);
82 __dead static void	usage_info(void);
83 __dead static void	usage_pack(void);
84 __dead static void	usage_indexpack(void);
85 __dead static void	usage_listpack(void);
86 __dead static void	usage_cleanup(void);
87 
88 static const struct got_error*		cmd_info(int, char *[]);
89 static const struct got_error*		cmd_pack(int, char *[]);
90 static const struct got_error*		cmd_indexpack(int, char *[]);
91 static const struct got_error*		cmd_listpack(int, char *[]);
92 static const struct got_error*		cmd_cleanup(int, char *[]);
93 
94 static struct gotadmin_cmd gotadmin_commands[] = {
95 	{ "info",	cmd_info,	usage_info,	"" },
96 	{ "pack",	cmd_pack,	usage_pack,	"" },
97 	{ "indexpack",	cmd_indexpack,	usage_indexpack,"ix" },
98 	{ "listpack",	cmd_listpack,	usage_listpack,	"ls" },
99 	{ "cleanup",	cmd_cleanup,	usage_cleanup,	"cl" },
100 };
101 
102 static void
103 list_commands(FILE *fp)
104 {
105 	size_t i;
106 
107 	fprintf(fp, "commands:");
108 	for (i = 0; i < nitems(gotadmin_commands); i++) {
109 		struct gotadmin_cmd *cmd = &gotadmin_commands[i];
110 		fprintf(fp, " %s", cmd->cmd_name);
111 	}
112 	fputc('\n', fp);
113 }
114 
115 int
116 main(int argc, char *argv[])
117 {
118 	struct gotadmin_cmd *cmd;
119 	size_t i;
120 	int ch;
121 	int hflag = 0, Vflag = 0;
122 	static struct option longopts[] = {
123 	    { "version", no_argument, NULL, 'V' },
124 	    { NULL, 0, NULL, 0 }
125 	};
126 
127 	setlocale(LC_CTYPE, "");
128 
129 	while ((ch = getopt_long(argc, argv, "+hV", longopts, NULL)) != -1) {
130 		switch (ch) {
131 		case 'h':
132 			hflag = 1;
133 			break;
134 		case 'V':
135 			Vflag = 1;
136 			break;
137 		default:
138 			usage(hflag, 1);
139 			/* NOTREACHED */
140 		}
141 	}
142 
143 	argc -= optind;
144 	argv += optind;
145 	optind = 1;
146 	optreset = 1;
147 
148 	if (Vflag) {
149 		got_version_print_str();
150 		return 0;
151 	}
152 
153 	if (argc <= 0)
154 		usage(hflag, hflag ? 0 : 1);
155 
156 	signal(SIGINT, catch_sigint);
157 	signal(SIGPIPE, catch_sigpipe);
158 
159 	for (i = 0; i < nitems(gotadmin_commands); i++) {
160 		const struct got_error *error;
161 
162 		cmd = &gotadmin_commands[i];
163 
164 		if (strcmp(cmd->cmd_name, argv[0]) != 0 &&
165 		    strcmp(cmd->cmd_alias, argv[0]) != 0)
166 			continue;
167 
168 		if (hflag)
169 			gotadmin_commands[i].cmd_usage();
170 
171 		error = gotadmin_commands[i].cmd_main(argc, argv);
172 		if (error && error->code != GOT_ERR_CANCELLED &&
173 		    error->code != GOT_ERR_PRIVSEP_EXIT &&
174 		    !(sigpipe_received &&
175 		      error->code == GOT_ERR_ERRNO && errno == EPIPE) &&
176 		    !(sigint_received &&
177 		      error->code == GOT_ERR_ERRNO && errno == EINTR)) {
178 			fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
179 			return 1;
180 		}
181 
182 		return 0;
183 	}
184 
185 	fprintf(stderr, "%s: unknown command '%s'\n", getprogname(), argv[0]);
186 	list_commands(stderr);
187 	return 1;
188 }
189 
190 __dead static void
191 usage(int hflag, int status)
192 {
193 	FILE *fp = (status == 0) ? stdout : stderr;
194 
195 	fprintf(fp, "usage: %s [-h] [-V | --version] command [arg ...]\n",
196 	    getprogname());
197 	if (hflag)
198 		list_commands(fp);
199 	exit(status);
200 }
201 
202 static const struct got_error *
203 apply_unveil(const char *repo_path, int repo_read_only)
204 {
205 	const struct got_error *err;
206 
207 #ifdef PROFILE
208 	if (unveil("gmon.out", "rwc") != 0)
209 		return got_error_from_errno2("unveil", "gmon.out");
210 #endif
211 	if (repo_path && unveil(repo_path, repo_read_only ? "r" : "rwc") != 0)
212 		return got_error_from_errno2("unveil", repo_path);
213 
214 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
215 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
216 
217 	err = got_privsep_unveil_exec_helpers();
218 	if (err != NULL)
219 		return err;
220 
221 	if (unveil(NULL, NULL) != 0)
222 		return got_error_from_errno("unveil");
223 
224 	return NULL;
225 }
226 
227 __dead static void
228 usage_info(void)
229 {
230 	fprintf(stderr, "usage: %s info [-r repository-path]\n",
231 	    getprogname());
232 	exit(1);
233 }
234 
235 static const struct got_error *
236 get_repo_path(char **repo_path)
237 {
238 	const struct got_error *err = NULL;
239 	struct got_worktree *worktree = NULL;
240 	char *cwd;
241 
242 	*repo_path = NULL;
243 
244 	cwd = getcwd(NULL, 0);
245 	if (cwd == NULL)
246 		return got_error_from_errno("getcwd");
247 
248 	err = got_worktree_open(&worktree, cwd);
249 	if (err) {
250 		if (err->code != GOT_ERR_NOT_WORKTREE)
251 			goto done;
252 		err = NULL;
253 	}
254 
255 	if (worktree)
256 		*repo_path = strdup(got_worktree_get_repo_path(worktree));
257 	else
258 		*repo_path = strdup(cwd);
259 	if (*repo_path == NULL)
260 		err = got_error_from_errno("strdup");
261 done:
262 	if (worktree)
263 		got_worktree_close(worktree);
264 	free(cwd);
265 	return err;
266 }
267 
268 static const struct got_error *
269 cmd_info(int argc, char *argv[])
270 {
271 	const struct got_error *error = NULL;
272 	char *repo_path = NULL;
273 	struct got_repository *repo = NULL;
274 	const struct got_gotconfig *gotconfig = NULL;
275 	int ch, npackfiles, npackedobj, nobj;
276 	off_t packsize, loose_size;
277 	char scaled[FMT_SCALED_STRSIZE];
278 
279 	while ((ch = getopt(argc, argv, "r:")) != -1) {
280 		switch (ch) {
281 		case 'r':
282 			repo_path = realpath(optarg, NULL);
283 			if (repo_path == NULL)
284 				return got_error_from_errno2("realpath",
285 				    optarg);
286 			got_path_strip_trailing_slashes(repo_path);
287 			break;
288 		default:
289 			usage_info();
290 			/* NOTREACHED */
291 		}
292 	}
293 
294 	argc -= optind;
295 	argv += optind;
296 
297 #ifndef PROFILE
298 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
299 	    NULL) == -1)
300 		err(1, "pledge");
301 #endif
302 	if (repo_path == NULL) {
303 		error = get_repo_path(&repo_path);
304 		if (error)
305 			goto done;
306 	}
307 	error = got_repo_open(&repo, repo_path, NULL);
308 	if (error)
309 		goto done;
310 
311 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
312 	if (error)
313 		goto done;
314 
315 	printf("repository: %s\n", got_repo_get_path_git_dir(repo));
316 
317 	gotconfig = got_repo_get_gotconfig(repo);
318 	if (gotconfig) {
319 		const struct got_remote_repo *remotes;
320 		int i, nremotes;
321 		if (got_gotconfig_get_author(gotconfig)) {
322 			printf("default author: %s\n",
323 			    got_gotconfig_get_author(gotconfig));
324 		}
325 		got_gotconfig_get_remotes(&nremotes, &remotes, gotconfig);
326 		for (i = 0; i < nremotes; i++) {
327 			const char *fetch_url = remotes[i].fetch_url;
328 			const char *send_url = remotes[i].send_url;
329 			if (strcmp(fetch_url, send_url) == 0) {
330 				printf("remote \"%s\": %s\n", remotes[i].name,
331 				    remotes[i].fetch_url);
332 			} else {
333 				printf("remote \"%s\" (fetch): %s\n",
334 				    remotes[i].name, remotes[i].fetch_url);
335 				printf("remote \"%s\" (send): %s\n",
336 				    remotes[i].name, remotes[i].send_url);
337 			}
338 		}
339 	}
340 
341 	error = got_repo_get_packfile_info(&npackfiles, &npackedobj,
342 	    &packsize, repo);
343 	if (error)
344 		goto done;
345 	printf("pack files: %d\n", npackfiles);
346 	if (npackfiles > 0) {
347 		if (fmt_scaled(packsize, scaled) == -1) {
348 			error = got_error_from_errno("fmt_scaled");
349 			goto done;
350 		}
351 		printf("packed objects: %d\n", npackedobj);
352 		printf("packed total size: %s\n", scaled);
353 	}
354 
355 	error = got_repo_get_loose_object_info(&nobj, &loose_size, repo);
356 	if (error)
357 		goto done;
358 	printf("loose objects: %d\n", nobj);
359 	if (nobj > 0) {
360 		if (fmt_scaled(loose_size, scaled) == -1) {
361 			error = got_error_from_errno("fmt_scaled");
362 			goto done;
363 		}
364 		printf("loose total size: %s\n", scaled);
365 	}
366 done:
367 	if (repo)
368 		got_repo_close(repo);
369 	free(repo_path);
370 	return error;
371 }
372 
373 __dead static void
374 usage_pack(void)
375 {
376 	fprintf(stderr, "usage: %s pack [-a] [-r repository-path] "
377 	    "[-x reference] [reference ...]\n",
378 	    getprogname());
379 	exit(1);
380 }
381 
382 struct got_pack_progress_arg {
383 	char last_scaled_size[FMT_SCALED_STRSIZE];
384 	int last_ncommits;
385 	int last_nobj_total;
386 	int last_p_deltify;
387 	int last_p_written;
388 	int last_p_indexed;
389 	int last_p_resolved;
390 	int verbosity;
391 	int printed_something;
392 };
393 
394 static const struct got_error *
395 pack_progress(void *arg, off_t packfile_size, int ncommits,
396     int nobj_total, int nobj_deltify, int nobj_written)
397 {
398 	struct got_pack_progress_arg *a = arg;
399 	char scaled_size[FMT_SCALED_STRSIZE];
400 	int p_deltify, p_written;
401 	int print_searching = 0, print_total = 0;
402 	int print_deltify = 0, print_written = 0;
403 
404 	if (a->verbosity < 0)
405 		return NULL;
406 
407 	if (fmt_scaled(packfile_size, scaled_size) == -1)
408 		return got_error_from_errno("fmt_scaled");
409 
410 	if (a->last_ncommits != ncommits) {
411 		print_searching = 1;
412 		a->last_ncommits = ncommits;
413 	}
414 
415 	if (a->last_nobj_total != nobj_total) {
416 		print_searching = 1;
417 		print_total = 1;
418 		a->last_nobj_total = nobj_total;
419 	}
420 
421 	if (packfile_size > 0 && (a->last_scaled_size[0] == '\0' ||
422 	    strcmp(scaled_size, a->last_scaled_size)) != 0) {
423 		if (strlcpy(a->last_scaled_size, scaled_size,
424 		    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
425 			return got_error(GOT_ERR_NO_SPACE);
426 	}
427 
428 	if (nobj_deltify > 0 || nobj_written > 0) {
429 		if (nobj_deltify > 0) {
430 			p_deltify = (nobj_deltify * 100) / nobj_total;
431 			if (p_deltify != a->last_p_deltify) {
432 				a->last_p_deltify = p_deltify;
433 				print_searching = 1;
434 				print_total = 1;
435 				print_deltify = 1;
436 			}
437 		}
438 		if (nobj_written > 0) {
439 			p_written = (nobj_written * 100) / nobj_total;
440 			if (p_written != a->last_p_written) {
441 				a->last_p_written = p_written;
442 				print_searching = 1;
443 				print_total = 1;
444 				print_deltify = 1;
445 				print_written = 1;
446 			}
447 		}
448 	}
449 
450 	if (print_searching || print_total || print_deltify || print_written)
451 		printf("\r");
452 	if (print_searching)
453 		printf("packing %d reference%s", ncommits,
454 		    ncommits == 1 ? "" : "s");
455 	if (print_total)
456 		printf("; %d object%s", nobj_total,
457 		    nobj_total == 1 ? "" : "s");
458 	if (print_deltify)
459 		printf("; deltify: %d%%", p_deltify);
460 	if (print_written)
461 		printf("; writing pack: %*s %d%%", FMT_SCALED_STRSIZE,
462 		    scaled_size, p_written);
463 	if (print_searching || print_total || print_deltify ||
464 	    print_written) {
465 		a->printed_something = 1;
466 		fflush(stdout);
467 	}
468 	return NULL;
469 }
470 
471 static const struct got_error *
472 pack_index_progress(void *arg, off_t packfile_size, int nobj_total,
473     int nobj_indexed, int nobj_loose, int nobj_resolved)
474 {
475 	struct got_pack_progress_arg *a = arg;
476 	char scaled_size[FMT_SCALED_STRSIZE];
477 	int p_indexed, p_resolved;
478 	int print_size = 0, print_indexed = 0, print_resolved = 0;
479 
480 	if (a->verbosity < 0)
481 		return NULL;
482 
483 	if (packfile_size > 0 || nobj_indexed > 0) {
484 		if (fmt_scaled(packfile_size, scaled_size) == 0 &&
485 		    (a->last_scaled_size[0] == '\0' ||
486 		    strcmp(scaled_size, a->last_scaled_size)) != 0) {
487 			print_size = 1;
488 			if (strlcpy(a->last_scaled_size, scaled_size,
489 			    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
490 				return got_error(GOT_ERR_NO_SPACE);
491 		}
492 		if (nobj_indexed > 0) {
493 			p_indexed = (nobj_indexed * 100) / nobj_total;
494 			if (p_indexed != a->last_p_indexed) {
495 				a->last_p_indexed = p_indexed;
496 				print_indexed = 1;
497 				print_size = 1;
498 			}
499 		}
500 		if (nobj_resolved > 0) {
501 			p_resolved = (nobj_resolved * 100) /
502 			    (nobj_total - nobj_loose);
503 			if (p_resolved != a->last_p_resolved) {
504 				a->last_p_resolved = p_resolved;
505 				print_resolved = 1;
506 				print_indexed = 1;
507 				print_size = 1;
508 			}
509 		}
510 
511 	}
512 	if (print_size || print_indexed || print_resolved)
513 		printf("\r");
514 	if (print_size)
515 		printf("%*s packed", FMT_SCALED_STRSIZE, scaled_size);
516 	if (print_indexed)
517 		printf("; indexing %d%%", p_indexed);
518 	if (print_resolved)
519 		printf("; resolving deltas %d%%", p_resolved);
520 	if (print_size || print_indexed || print_resolved)
521 		fflush(stdout);
522 
523 	return NULL;
524 }
525 
526 static const struct got_error *
527 add_ref(struct got_reflist_entry **new, struct got_reflist_head *refs,
528     const char *refname, struct got_repository *repo)
529 {
530 	const struct got_error *err;
531 	struct got_reference *ref;
532 
533 	*new = NULL;
534 
535 	err = got_ref_open(&ref, repo, refname, 0);
536 	if (err) {
537 		if (err->code != GOT_ERR_NOT_REF)
538 			return err;
539 
540 		/* Treat argument as a reference prefix. */
541 		err = got_ref_list(refs, repo, refname,
542 		    got_ref_cmp_by_name, NULL);
543 	} else {
544 		err = got_reflist_insert(new, refs, ref,
545 		    got_ref_cmp_by_name, NULL);
546 		if (err || *new == NULL /* duplicate */)
547 			got_ref_close(ref);
548 	}
549 
550 	return err;
551 }
552 
553 static const struct got_error *
554 cmd_pack(int argc, char *argv[])
555 {
556 	const struct got_error *error = NULL;
557 	char *repo_path = NULL;
558 	struct got_repository *repo = NULL;
559 	int ch, i, loose_obj_only = 1;
560 	struct got_object_id *pack_hash = NULL;
561 	char *id_str = NULL;
562 	struct got_pack_progress_arg ppa;
563 	FILE *packfile = NULL;
564 	struct got_pathlist_head exclude_args;
565 	struct got_pathlist_entry *pe;
566 	struct got_reflist_head exclude_refs;
567 	struct got_reflist_head include_refs;
568 	struct got_reflist_entry *re, *new;
569 
570 	TAILQ_INIT(&exclude_args);
571 	TAILQ_INIT(&exclude_refs);
572 	TAILQ_INIT(&include_refs);
573 
574 	while ((ch = getopt(argc, argv, "ar:x:")) != -1) {
575 		switch (ch) {
576 		case 'a':
577 			loose_obj_only = 0;
578 			break;
579 		case 'r':
580 			repo_path = realpath(optarg, NULL);
581 			if (repo_path == NULL)
582 				return got_error_from_errno2("realpath",
583 				    optarg);
584 			got_path_strip_trailing_slashes(repo_path);
585 			break;
586 		case 'x':
587 			got_path_strip_trailing_slashes(optarg);
588 			error = got_pathlist_append(&exclude_args,
589 			    optarg, NULL);
590 			if (error)
591 				return error;
592 			break;
593 		default:
594 			usage_pack();
595 			/* NOTREACHED */
596 		}
597 	}
598 
599 	argc -= optind;
600 	argv += optind;
601 
602 #ifndef PROFILE
603 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
604 	    NULL) == -1)
605 		err(1, "pledge");
606 #endif
607 	if (repo_path == NULL) {
608 		error = get_repo_path(&repo_path);
609 		if (error)
610 			goto done;
611 	}
612 	error = got_repo_open(&repo, repo_path, NULL);
613 	if (error)
614 		goto done;
615 
616 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
617 	if (error)
618 		goto done;
619 
620 	TAILQ_FOREACH(pe, &exclude_args, entry) {
621 		const char *refname = pe->path;
622 		error = add_ref(&new, &exclude_refs, refname, repo);
623 		if (error)
624 			goto done;
625 
626 	}
627 
628 	if (argc == 0) {
629 		error = got_ref_list(&include_refs, repo, "",
630 		    got_ref_cmp_by_name, NULL);
631 		if (error)
632 			goto done;
633 	} else {
634 		for (i = 0; i < argc; i++) {
635 			const char *refname;
636 			got_path_strip_trailing_slashes(argv[i]);
637 			refname = argv[i];
638 			error = add_ref(&new, &include_refs, refname, repo);
639 			if (error)
640 				goto done;
641 		}
642 	}
643 
644 	/* Ignore references in the refs/got/ namespace. */
645 	TAILQ_FOREACH_SAFE(re, &include_refs, entry, new) {
646 		const char *refname = got_ref_get_name(re->ref);
647 		if (strncmp("refs/got/", refname, 9) != 0)
648 			continue;
649 		TAILQ_REMOVE(&include_refs, re, entry);
650 		got_ref_close(re->ref);
651 		free(re);
652 	}
653 
654 	memset(&ppa, 0, sizeof(ppa));
655 	ppa.last_scaled_size[0] = '\0';
656 	ppa.last_p_indexed = -1;
657 	ppa.last_p_resolved = -1;
658 
659 	error = got_repo_pack_objects(&packfile, &pack_hash,
660 	    &include_refs, &exclude_refs, repo, loose_obj_only,
661 	    pack_progress, &ppa, check_cancelled, NULL);
662 	if (error) {
663 		if (ppa.printed_something)
664 			printf("\n");
665 		goto done;
666 	}
667 
668 	error = got_object_id_str(&id_str, pack_hash);
669 	if (error)
670 		goto done;
671 	printf("\nWrote %s.pack\n", id_str);
672 
673 	error = got_repo_index_pack(packfile, pack_hash, repo,
674 	    pack_index_progress, &ppa, check_cancelled, NULL);
675 	if (error)
676 		goto done;
677 	printf("\nIndexed %s.pack\n", id_str);
678 done:
679 	if (repo)
680 		got_repo_close(repo);
681 	got_pathlist_free(&exclude_args);
682 	got_ref_list_free(&exclude_refs);
683 	got_ref_list_free(&include_refs);
684 	free(id_str);
685 	free(pack_hash);
686 	free(repo_path);
687 	return error;
688 }
689 
690 __dead static void
691 usage_indexpack(void)
692 {
693 	fprintf(stderr, "usage: %s indexpack packfile-path\n",
694 	    getprogname());
695 	exit(1);
696 }
697 
698 static const struct got_error *
699 cmd_indexpack(int argc, char *argv[])
700 {
701 	const struct got_error *error = NULL;
702 	struct got_repository *repo = NULL;
703 	int ch;
704 	struct got_object_id *pack_hash = NULL;
705 	char *packfile_path = NULL;
706 	char *id_str = NULL;
707 	struct got_pack_progress_arg ppa;
708 	FILE *packfile = NULL;
709 
710 	while ((ch = getopt(argc, argv, "")) != -1) {
711 		switch (ch) {
712 		default:
713 			usage_indexpack();
714 			/* NOTREACHED */
715 		}
716 	}
717 
718 	argc -= optind;
719 	argv += optind;
720 
721 	if (argc != 1)
722 		usage_indexpack();
723 
724 	packfile_path = realpath(argv[0], NULL);
725 	if (packfile_path == NULL)
726 		return got_error_from_errno2("realpath", argv[0]);
727 
728 #ifndef PROFILE
729 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
730 	    NULL) == -1)
731 		err(1, "pledge");
732 #endif
733 
734 	error = got_repo_open(&repo, packfile_path, NULL);
735 	if (error)
736 		goto done;
737 
738 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
739 	if (error)
740 		goto done;
741 
742 	memset(&ppa, 0, sizeof(ppa));
743 	ppa.last_scaled_size[0] = '\0';
744 	ppa.last_p_indexed = -1;
745 	ppa.last_p_resolved = -1;
746 
747 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
748 	    packfile_path);
749 	if (error)
750 		goto done;
751 
752 	error = got_object_id_str(&id_str, pack_hash);
753 	if (error)
754 		goto done;
755 
756 	error = got_repo_index_pack(packfile, pack_hash, repo,
757 	    pack_index_progress, &ppa, check_cancelled, NULL);
758 	if (error)
759 		goto done;
760 	printf("\nIndexed %s.pack\n", id_str);
761 done:
762 	if (repo)
763 		got_repo_close(repo);
764 	free(id_str);
765 	free(pack_hash);
766 	return error;
767 }
768 
769 __dead static void
770 usage_listpack(void)
771 {
772 	fprintf(stderr, "usage: %s listpack [-h] [-s] packfile-path\n",
773 	    getprogname());
774 	exit(1);
775 }
776 
777 struct gotadmin_list_pack_cb_args {
778 	int nblobs;
779 	int ntrees;
780 	int ncommits;
781 	int ntags;
782 	int noffdeltas;
783 	int nrefdeltas;
784 	int human_readable;
785 };
786 
787 static const struct got_error *
788 list_pack_cb(void *arg, struct got_object_id *id, int type, off_t offset,
789     off_t size, off_t base_offset, struct got_object_id *base_id)
790 {
791 	const struct got_error *err;
792 	struct gotadmin_list_pack_cb_args *a = arg;
793 	char *id_str, *delta_str = NULL, *base_id_str = NULL;
794 	const char *type_str;
795 
796 	err = got_object_id_str(&id_str, id);	
797 	if (err)
798 		return err;
799 
800 	switch (type) {
801 	case GOT_OBJ_TYPE_BLOB:
802 		type_str = GOT_OBJ_LABEL_BLOB;
803 		a->nblobs++;
804 		break;
805 	case GOT_OBJ_TYPE_TREE:
806 		type_str = GOT_OBJ_LABEL_TREE;
807 		a->ntrees++;
808 		break;
809 	case GOT_OBJ_TYPE_COMMIT:
810 		type_str = GOT_OBJ_LABEL_COMMIT;
811 		a->ncommits++;
812 		break;
813 	case GOT_OBJ_TYPE_TAG:
814 		type_str = GOT_OBJ_LABEL_TAG;
815 		a->ntags++;
816 		break;
817 	case GOT_OBJ_TYPE_OFFSET_DELTA:
818 		type_str = "offset-delta";
819 		if (asprintf(&delta_str, " base-offset %lld",
820 		    (long long)base_offset) == -1) {
821 			err = got_error_from_errno("asprintf");
822 			goto done;
823 		}
824 		a->noffdeltas++;
825 		break;
826 	case GOT_OBJ_TYPE_REF_DELTA:
827 		type_str = "ref-delta";
828 		err = got_object_id_str(&base_id_str, base_id);	
829 		if (err)
830 			goto done;
831 		if (asprintf(&delta_str, " base-id %s", base_id_str) == -1) {
832 			err = got_error_from_errno("asprintf");
833 			goto done;
834 		}
835 		a->nrefdeltas++;
836 		break;
837 	default:
838 		err = got_error(GOT_ERR_OBJ_TYPE);
839 		goto done;
840 	}
841 	if (a->human_readable) {
842 		char scaled[FMT_SCALED_STRSIZE];
843 		char *s;;
844 		if (fmt_scaled(size, scaled) == -1) {
845 			err = got_error_from_errno("fmt_scaled");
846 			goto done;
847 		}
848 		s = scaled;
849 		while (isspace((unsigned char)*s))
850 			s++;
851 		printf("%s %s at %lld size %s%s\n", id_str, type_str,
852 		    (long long)offset, s, delta_str ? delta_str : "");
853 	} else {
854 		printf("%s %s at %lld size %lld%s\n", id_str, type_str,
855 		    (long long)offset, (long long)size,
856 		    delta_str ? delta_str : "");
857 	}
858 done:
859 	free(id_str);
860 	free(base_id_str);
861 	free(delta_str);
862 	return err;
863 }
864 
865 static const struct got_error *
866 cmd_listpack(int argc, char *argv[])
867 {
868 	const struct got_error *error = NULL;
869 	struct got_repository *repo = NULL;
870 	int ch;
871 	struct got_object_id *pack_hash = NULL;
872 	char *packfile_path = NULL;
873 	char *id_str = NULL;
874 	struct gotadmin_list_pack_cb_args lpa;
875 	FILE *packfile = NULL;
876 	int show_stats = 0, human_readable = 0;
877 
878 	while ((ch = getopt(argc, argv, "hs")) != -1) {
879 		switch (ch) {
880 		case 'h':
881 			human_readable = 1;
882 			break;
883 		case 's':
884 			show_stats = 1;
885 			break;
886 		default:
887 			usage_listpack();
888 			/* NOTREACHED */
889 		}
890 	}
891 
892 	argc -= optind;
893 	argv += optind;
894 
895 	if (argc != 1)
896 		usage_listpack();
897 	packfile_path = realpath(argv[0], NULL);
898 	if (packfile_path == NULL)
899 		return got_error_from_errno2("realpath", argv[0]);
900 
901 #ifndef PROFILE
902 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
903 	    NULL) == -1)
904 		err(1, "pledge");
905 #endif
906 	error = got_repo_open(&repo, packfile_path, NULL);
907 	if (error)
908 		goto done;
909 
910 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
911 	if (error)
912 		goto done;
913 
914 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
915 	    packfile_path);
916 	if (error)
917 		goto done;
918 	error = got_object_id_str(&id_str, pack_hash);
919 	if (error)
920 		goto done;
921 
922 	memset(&lpa, 0, sizeof(lpa));
923 	lpa.human_readable = human_readable;
924 	error = got_repo_list_pack(packfile, pack_hash, repo,
925 	    list_pack_cb, &lpa, check_cancelled, NULL);
926 	if (error)
927 		goto done;
928 	if (show_stats) {
929 		printf("objects: %d\n  blobs: %d\n  trees: %d\n  commits: %d\n"
930 		    "  tags: %d\n  offset-deltas: %d\n  ref-deltas: %d\n",
931 		    lpa.nblobs + lpa.ntrees + lpa.ncommits + lpa.ntags +
932 		    lpa.noffdeltas + lpa.nrefdeltas,
933 		    lpa.nblobs, lpa.ntrees, lpa.ncommits, lpa.ntags,
934 		    lpa.noffdeltas, lpa.nrefdeltas);
935 	}
936 done:
937 	if (repo)
938 		got_repo_close(repo);
939 	free(id_str);
940 	free(pack_hash);
941 	free(packfile_path);
942 	return error;
943 }
944 
945 __dead static void
946 usage_cleanup(void)
947 {
948 	fprintf(stderr, "usage: %s cleanup [-a] [-p] [-n] [-r repository-path] "
949 	    "[-q]\n", getprogname());
950 	exit(1);
951 }
952 
953 struct got_cleanup_progress_arg {
954 	int last_nloose;
955 	int last_ncommits;
956 	int last_npurged;
957 	int verbosity;
958 	int printed_something;
959 	int dry_run;
960 };
961 
962 static const struct got_error *
963 cleanup_progress(void *arg, int nloose, int ncommits, int npurged)
964 {
965 	struct got_cleanup_progress_arg *a = arg;
966 	int print_loose = 0, print_commits = 0, print_purged = 0;
967 
968 	if (a->last_nloose != nloose) {
969 		print_loose = 1;
970 		a->last_nloose = nloose;
971 	}
972 	if (a->last_ncommits != ncommits) {
973 		print_loose = 1;
974 		print_commits = 1;
975 		a->last_ncommits = ncommits;
976 	}
977 	if (a->last_npurged != npurged) {
978 		print_loose = 1;
979 		print_commits = 1;
980 		print_purged = 1;
981 		a->last_npurged = npurged;
982 	}
983 
984 	if (a->verbosity < 0)
985 		return NULL;
986 
987 	if (print_loose || print_commits || print_purged)
988 		printf("\r");
989 	if (print_loose)
990 		printf("%d loose object%s", nloose, nloose == 1 ? "" : "s");
991 	if (print_commits)
992 		printf("; %d commit%s scanned", ncommits,
993 		    ncommits == 1 ? "" : "s");
994 	if (print_purged) {
995 		if (a->dry_run) {
996 			printf("; %d object%s could be purged", npurged,
997 			    npurged == 1 ? "" : "s");
998 		} else {
999 			printf("; %d object%s purged", npurged,
1000 			    npurged == 1 ? "" : "s");
1001 		}
1002 	}
1003 	if (print_loose || print_commits || print_purged) {
1004 		a->printed_something = 1;
1005 		fflush(stdout);
1006 	}
1007 	return NULL;
1008 }
1009 
1010 struct got_lonely_packidx_progress_arg {
1011 	int verbosity;
1012 	int printed_something;
1013 	int dry_run;
1014 };
1015 
1016 static const struct got_error *
1017 lonely_packidx_progress(void *arg, const char *path)
1018 {
1019 	struct got_lonely_packidx_progress_arg *a = arg;
1020 
1021 	if (a->verbosity < 0)
1022 		return NULL;
1023 
1024 	if (a->dry_run)
1025 		printf("%s could be removed\n", path);
1026 	else
1027 		printf("%s removed\n", path);
1028 
1029 	a->printed_something = 1;
1030 	return NULL;
1031 }
1032 
1033 static const struct got_error *
1034 cmd_cleanup(int argc, char *argv[])
1035 {
1036 	const struct got_error *error = NULL;
1037 	char *repo_path = NULL;
1038 	struct got_repository *repo = NULL;
1039 	int ch, dry_run = 0, npacked = 0, verbosity = 0;
1040 	int remove_lonely_packidx = 0, ignore_mtime = 0;
1041 	struct got_cleanup_progress_arg cpa;
1042 	struct got_lonely_packidx_progress_arg lpa;
1043 	off_t size_before, size_after;
1044 	char scaled_before[FMT_SCALED_STRSIZE];
1045 	char scaled_after[FMT_SCALED_STRSIZE];
1046 	char scaled_diff[FMT_SCALED_STRSIZE];
1047 	char **extensions;
1048 	int nextensions, i;
1049 
1050 	while ((ch = getopt(argc, argv, "apr:nq")) != -1) {
1051 		switch (ch) {
1052 		case 'a':
1053 			ignore_mtime = 1;
1054 			break;
1055 		case 'p':
1056 			remove_lonely_packidx = 1;
1057 			break;
1058 		case 'r':
1059 			repo_path = realpath(optarg, NULL);
1060 			if (repo_path == NULL)
1061 				return got_error_from_errno2("realpath",
1062 				    optarg);
1063 			got_path_strip_trailing_slashes(repo_path);
1064 			break;
1065 		case 'n':
1066 			dry_run = 1;
1067 			break;
1068 		case 'q':
1069 			verbosity = -1;
1070 			break;
1071 		default:
1072 			usage_cleanup();
1073 			/* NOTREACHED */
1074 		}
1075 	}
1076 
1077 	argc -= optind;
1078 	argv += optind;
1079 
1080 #ifndef PROFILE
1081 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1082 	    NULL) == -1)
1083 		err(1, "pledge");
1084 #endif
1085 	if (repo_path == NULL) {
1086 		error = get_repo_path(&repo_path);
1087 		if (error)
1088 			goto done;
1089 	}
1090 	error = got_repo_open(&repo, repo_path, NULL);
1091 	if (error)
1092 		goto done;
1093 
1094 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
1095 	if (error)
1096 		goto done;
1097 
1098 	got_repo_get_gitconfig_extensions(&extensions, &nextensions,
1099 	    repo);
1100 	for (i = 0; i < nextensions; i++) {
1101 		if (strcasecmp(extensions[i], "preciousObjects") == 0) {
1102 			error = got_error_msg(GOT_ERR_GIT_REPO_EXT,
1103 			    "the preciousObjects Git extension is enabled; "
1104 			    "this implies that objects must not be deleted");
1105 			goto done;
1106 		}
1107 	}
1108 
1109 	if (remove_lonely_packidx) {
1110 		memset(&lpa, 0, sizeof(lpa));
1111 		lpa.dry_run = dry_run;
1112 		lpa.verbosity = verbosity;
1113 		error = got_repo_remove_lonely_packidx(repo, dry_run,
1114 		    lonely_packidx_progress, &lpa, check_cancelled, NULL);
1115 		goto done;
1116 	}
1117 
1118 	memset(&cpa, 0, sizeof(cpa));
1119 	cpa.last_ncommits = -1;
1120 	cpa.last_npurged = -1;
1121 	cpa.dry_run = dry_run;
1122 	cpa.verbosity = verbosity;
1123 	error = got_repo_purge_unreferenced_loose_objects(repo,
1124 	    &size_before, &size_after, &npacked, dry_run, ignore_mtime,
1125 	    cleanup_progress, &cpa, check_cancelled, NULL);
1126 	if (cpa.printed_something)
1127 		printf("\n");
1128 	if (error)
1129 		goto done;
1130 	if (cpa.printed_something) {
1131 		if (fmt_scaled(size_before, scaled_before) == -1) {
1132 			error = got_error_from_errno("fmt_scaled");
1133 			goto done;
1134 		}
1135 		if (fmt_scaled(size_after, scaled_after) == -1) {
1136 			error = got_error_from_errno("fmt_scaled");
1137 			goto done;
1138 		}
1139 		if (fmt_scaled(size_before - size_after, scaled_diff) == -1) {
1140 			error = got_error_from_errno("fmt_scaled");
1141 			goto done;
1142 		}
1143 		printf("loose total size before: %s\n", scaled_before);
1144 		printf("loose total size after: %s\n", scaled_after);
1145 		if (dry_run) {
1146 			printf("disk space which would be freed: %s\n",
1147 			    scaled_diff);
1148 		} else
1149 			printf("disk space freed: %s\n", scaled_diff);
1150 		printf("loose objects also found in pack files: %d\n", npacked);
1151 	}
1152 done:
1153 	if (repo)
1154 		got_repo_close(repo);
1155 	free(repo_path);
1156 	return error;
1157 }