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Date:: Wed Jun 15 19:19:28 2022 UTC
Message:: revert "clear the rest of the pack_fds pointers" There is no need to clear local variables before returning from a function. ok tracey
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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 const 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 		const 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 	const struct gotadmin_cmd *cmd;
119 	size_t i;
120 	int ch;
121 	int hflag = 0, Vflag = 0;
122 	static const 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 			cmd->cmd_usage();
170 
171 		error = cmd->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 	int *pack_fds = NULL;
279 
280 	while ((ch = getopt(argc, argv, "r:")) != -1) {
281 		switch (ch) {
282 		case 'r':
283 			repo_path = realpath(optarg, NULL);
284 			if (repo_path == NULL)
285 				return got_error_from_errno2("realpath",
286 				    optarg);
287 			got_path_strip_trailing_slashes(repo_path);
288 			break;
289 		default:
290 			usage_info();
291 			/* NOTREACHED */
292 		}
293 	}
294 
295 	argc -= optind;
296 	argv += optind;
297 
298 #ifndef PROFILE
299 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
300 	    NULL) == -1)
301 		err(1, "pledge");
302 #endif
303 	if (repo_path == NULL) {
304 		error = get_repo_path(&repo_path);
305 		if (error)
306 			goto done;
307 	}
308 	error = got_repo_pack_fds_open(&pack_fds);
309 	if (error != NULL)
310 		goto done;
311 	error = got_repo_open(&repo, repo_path, NULL, pack_fds);
312 	if (error)
313 		goto done;
314 #ifndef PROFILE
315 	/* Remove "cpath" promise. */
316 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
317 	    NULL) == -1)
318 		err(1, "pledge");
319 #endif
320 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
321 	if (error)
322 		goto done;
323 
324 	printf("repository: %s\n", got_repo_get_path_git_dir(repo));
325 
326 	gotconfig = got_repo_get_gotconfig(repo);
327 	if (gotconfig) {
328 		const struct got_remote_repo *remotes;
329 		int i, nremotes;
330 		if (got_gotconfig_get_author(gotconfig)) {
331 			printf("default author: %s\n",
332 			    got_gotconfig_get_author(gotconfig));
333 		}
334 		got_gotconfig_get_remotes(&nremotes, &remotes, gotconfig);
335 		for (i = 0; i < nremotes; i++) {
336 			const char *fetch_url = remotes[i].fetch_url;
337 			const char *send_url = remotes[i].send_url;
338 			if (strcmp(fetch_url, send_url) == 0) {
339 				printf("remote \"%s\": %s\n", remotes[i].name,
340 				    remotes[i].fetch_url);
341 			} else {
342 				printf("remote \"%s\" (fetch): %s\n",
343 				    remotes[i].name, remotes[i].fetch_url);
344 				printf("remote \"%s\" (send): %s\n",
345 				    remotes[i].name, remotes[i].send_url);
346 			}
347 		}
348 	}
349 
350 	error = got_repo_get_packfile_info(&npackfiles, &npackedobj,
351 	    &packsize, repo);
352 	if (error)
353 		goto done;
354 	printf("pack files: %d\n", npackfiles);
355 	if (npackfiles > 0) {
356 		if (fmt_scaled(packsize, scaled) == -1) {
357 			error = got_error_from_errno("fmt_scaled");
358 			goto done;
359 		}
360 		printf("packed objects: %d\n", npackedobj);
361 		printf("packed total size: %s\n", scaled);
362 	}
363 
364 	error = got_repo_get_loose_object_info(&nobj, &loose_size, repo);
365 	if (error)
366 		goto done;
367 	printf("loose objects: %d\n", nobj);
368 	if (nobj > 0) {
369 		if (fmt_scaled(loose_size, scaled) == -1) {
370 			error = got_error_from_errno("fmt_scaled");
371 			goto done;
372 		}
373 		printf("loose total size: %s\n", scaled);
374 	}
375 done:
376 	if (repo)
377 		got_repo_close(repo);
378 	if (pack_fds) {
379 		const struct got_error *pack_err =
380 		    got_repo_pack_fds_close(pack_fds);
381 		if (error == NULL)
382 			error = pack_err;
383 	}
384 
385 	free(repo_path);
386 	return error;
387 }
388 
389 __dead static void
390 usage_pack(void)
391 {
392 	fprintf(stderr, "usage: %s pack [-a] [-r repository-path] "
393 	    "[-x reference] [-q] [reference ...]\n",
394 	    getprogname());
395 	exit(1);
396 }
397 
398 struct got_pack_progress_arg {
399 	char last_scaled_size[FMT_SCALED_STRSIZE];
400 	int last_ncolored;
401 	int last_nfound;
402 	int last_ntrees;
403 	int loading_done;
404 	int last_ncommits;
405 	int last_nobj_total;
406 	int last_p_deltify;
407 	int last_p_written;
408 	int last_p_indexed;
409 	int last_p_resolved;
410 	int verbosity;
411 	int printed_something;
412 };
413 
414 static void
415 print_load_info(int print_colored, int print_found, int print_trees,
416     int ncolored, int nfound, int ntrees)
417 {
418 	if (print_colored) {
419 		printf("%d commit%s colored", ncolored,
420 		    ncolored == 1 ? "" : "s");
421 	}
422 	if (print_found) {
423 		printf("%s%d object%s found",
424 		    ncolored > 0 ? "; " : "",
425 		    nfound, nfound == 1 ? "" : "s");
426 	}
427 	if (print_trees) {
428 		printf("; %d tree%s scanned", ntrees,
429 		    ntrees == 1 ? "" : "s");
430 	}
431 }
432 
433 static const struct got_error *
434 pack_progress(void *arg, int ncolored, int nfound, int ntrees,
435     off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
436     int nobj_written)
437 {
438 	struct got_pack_progress_arg *a = arg;
439 	char scaled_size[FMT_SCALED_STRSIZE];
440 	int p_deltify, p_written;
441 	int print_colored = 0, print_found = 0, print_trees = 0;
442 	int print_searching = 0, print_total = 0;
443 	int print_deltify = 0, print_written = 0;
444 
445 	if (a->verbosity < 0)
446 		return NULL;
447 
448 	if (a->last_ncolored != ncolored) {
449 		print_colored = 1;
450 		a->last_ncolored = ncolored;
451 	}
452 
453 	if (a->last_nfound != nfound) {
454 		print_colored = 1;
455 		print_found = 1;
456 		a->last_nfound = nfound;
457 	}
458 
459 	if (a->last_ntrees != ntrees) {
460 		print_colored = 1;
461 		print_found = 1;
462 		print_trees = 1;
463 		a->last_ntrees = ntrees;
464 	}
465 
466 	if ((print_colored || print_found || print_trees) &&
467 	    !a->loading_done) {
468 		printf("\r");
469 		print_load_info(print_colored, print_found, print_trees,
470 		    ncolored, nfound, ntrees);
471 		a->printed_something = 1;
472 		fflush(stdout);
473 		return NULL;
474 	} else if (!a->loading_done) {
475 		printf("\r");
476 		print_load_info(1, 1, 1, ncolored, nfound, ntrees);
477 		printf("\n");
478 		a->loading_done = 1;
479 	}
480 
481 	if (fmt_scaled(packfile_size, scaled_size) == -1)
482 		return got_error_from_errno("fmt_scaled");
483 
484 	if (a->last_ncommits != ncommits) {
485 		print_searching = 1;
486 		a->last_ncommits = ncommits;
487 	}
488 
489 	if (a->last_nobj_total != nobj_total) {
490 		print_searching = 1;
491 		print_total = 1;
492 		a->last_nobj_total = nobj_total;
493 	}
494 
495 	if (packfile_size > 0 && (a->last_scaled_size[0] == '\0' ||
496 	    strcmp(scaled_size, a->last_scaled_size)) != 0) {
497 		if (strlcpy(a->last_scaled_size, scaled_size,
498 		    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
499 			return got_error(GOT_ERR_NO_SPACE);
500 	}
501 
502 	if (nobj_deltify > 0 || nobj_written > 0) {
503 		if (nobj_deltify > 0) {
504 			p_deltify = (nobj_deltify * 100) / nobj_total;
505 			if (p_deltify != a->last_p_deltify) {
506 				a->last_p_deltify = p_deltify;
507 				print_searching = 1;
508 				print_total = 1;
509 				print_deltify = 1;
510 			}
511 		}
512 		if (nobj_written > 0) {
513 			p_written = (nobj_written * 100) / nobj_total;
514 			if (p_written != a->last_p_written) {
515 				a->last_p_written = p_written;
516 				print_searching = 1;
517 				print_total = 1;
518 				print_deltify = 1;
519 				print_written = 1;
520 			}
521 		}
522 	}
523 
524 	if (print_searching || print_total || print_deltify || print_written)
525 		printf("\r");
526 	if (print_searching)
527 		printf("packing %d reference%s", ncommits,
528 		    ncommits == 1 ? "" : "s");
529 	if (print_total)
530 		printf("; %d object%s", nobj_total,
531 		    nobj_total == 1 ? "" : "s");
532 	if (print_deltify)
533 		printf("; deltify: %d%%", p_deltify);
534 	if (print_written)
535 		printf("; writing pack: %*s %d%%", FMT_SCALED_STRSIZE - 2,
536 		    scaled_size, p_written);
537 	if (print_searching || print_total || print_deltify ||
538 	    print_written) {
539 		a->printed_something = 1;
540 		fflush(stdout);
541 	}
542 	return NULL;
543 }
544 
545 static const struct got_error *
546 pack_index_progress(void *arg, off_t packfile_size, int nobj_total,
547     int nobj_indexed, int nobj_loose, int nobj_resolved)
548 {
549 	struct got_pack_progress_arg *a = arg;
550 	char scaled_size[FMT_SCALED_STRSIZE];
551 	int p_indexed, p_resolved;
552 	int print_size = 0, print_indexed = 0, print_resolved = 0;
553 
554 	if (a->verbosity < 0)
555 		return NULL;
556 
557 	if (packfile_size > 0 || nobj_indexed > 0) {
558 		if (fmt_scaled(packfile_size, scaled_size) == 0 &&
559 		    (a->last_scaled_size[0] == '\0' ||
560 		    strcmp(scaled_size, a->last_scaled_size)) != 0) {
561 			print_size = 1;
562 			if (strlcpy(a->last_scaled_size, scaled_size,
563 			    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
564 				return got_error(GOT_ERR_NO_SPACE);
565 		}
566 		if (nobj_indexed > 0) {
567 			p_indexed = (nobj_indexed * 100) / nobj_total;
568 			if (p_indexed != a->last_p_indexed) {
569 				a->last_p_indexed = p_indexed;
570 				print_indexed = 1;
571 				print_size = 1;
572 			}
573 		}
574 		if (nobj_resolved > 0) {
575 			p_resolved = (nobj_resolved * 100) /
576 			    (nobj_total - nobj_loose);
577 			if (p_resolved != a->last_p_resolved) {
578 				a->last_p_resolved = p_resolved;
579 				print_resolved = 1;
580 				print_indexed = 1;
581 				print_size = 1;
582 			}
583 		}
584 
585 	}
586 	if (print_size || print_indexed || print_resolved)
587 		printf("\r");
588 	if (print_size)
589 		printf("%*s packed", FMT_SCALED_STRSIZE - 2, scaled_size);
590 	if (print_indexed)
591 		printf("; indexing %d%%", p_indexed);
592 	if (print_resolved)
593 		printf("; resolving deltas %d%%", p_resolved);
594 	if (print_size || print_indexed || print_resolved)
595 		fflush(stdout);
596 
597 	return NULL;
598 }
599 
600 static const struct got_error *
601 add_ref(struct got_reflist_entry **new, struct got_reflist_head *refs,
602     const char *refname, struct got_repository *repo)
603 {
604 	const struct got_error *err;
605 	struct got_reference *ref;
606 
607 	*new = NULL;
608 
609 	err = got_ref_open(&ref, repo, refname, 0);
610 	if (err) {
611 		if (err->code != GOT_ERR_NOT_REF)
612 			return err;
613 
614 		/* Treat argument as a reference prefix. */
615 		err = got_ref_list(refs, repo, refname,
616 		    got_ref_cmp_by_name, NULL);
617 	} else {
618 		err = got_reflist_insert(new, refs, ref,
619 		    got_ref_cmp_by_name, NULL);
620 		if (err || *new == NULL /* duplicate */)
621 			got_ref_close(ref);
622 	}
623 
624 	return err;
625 }
626 
627 static const struct got_error *
628 cmd_pack(int argc, char *argv[])
629 {
630 	const struct got_error *error = NULL;
631 	char *repo_path = NULL;
632 	struct got_repository *repo = NULL;
633 	int ch, i, loose_obj_only = 1, verbosity = 0;
634 	struct got_object_id *pack_hash = NULL;
635 	char *id_str = NULL;
636 	struct got_pack_progress_arg ppa;
637 	FILE *packfile = NULL;
638 	struct got_pathlist_head exclude_args;
639 	struct got_pathlist_entry *pe;
640 	struct got_reflist_head exclude_refs;
641 	struct got_reflist_head include_refs;
642 	struct got_reflist_entry *re, *new;
643 	int *pack_fds = NULL;
644 
645 	TAILQ_INIT(&exclude_args);
646 	TAILQ_INIT(&exclude_refs);
647 	TAILQ_INIT(&include_refs);
648 
649 	while ((ch = getopt(argc, argv, "ar:x:q")) != -1) {
650 		switch (ch) {
651 		case 'a':
652 			loose_obj_only = 0;
653 			break;
654 		case 'r':
655 			repo_path = realpath(optarg, NULL);
656 			if (repo_path == NULL)
657 				return got_error_from_errno2("realpath",
658 				    optarg);
659 			got_path_strip_trailing_slashes(repo_path);
660 			break;
661 		case 'x':
662 			got_path_strip_trailing_slashes(optarg);
663 			error = got_pathlist_append(&exclude_args,
664 			    optarg, NULL);
665 			if (error)
666 				return error;
667 			break;
668 		case 'q':
669 			verbosity = -1;
670 			break;
671 		default:
672 			usage_pack();
673 			/* NOTREACHED */
674 		}
675 	}
676 
677 	argc -= optind;
678 	argv += optind;
679 
680 #ifndef PROFILE
681 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
682 	    NULL) == -1)
683 		err(1, "pledge");
684 #endif
685 	if (repo_path == NULL) {
686 		error = get_repo_path(&repo_path);
687 		if (error)
688 			goto done;
689 	}
690 	error = got_repo_pack_fds_open(&pack_fds);
691 	if (error != NULL)
692 		goto done;
693 	error = got_repo_open(&repo, repo_path, NULL, pack_fds);
694 	if (error)
695 		goto done;
696 
697 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
698 	if (error)
699 		goto done;
700 
701 	TAILQ_FOREACH(pe, &exclude_args, entry) {
702 		const char *refname = pe->path;
703 		error = add_ref(&new, &exclude_refs, refname, repo);
704 		if (error)
705 			goto done;
706 
707 	}
708 
709 	if (argc == 0) {
710 		error = got_ref_list(&include_refs, repo, "",
711 		    got_ref_cmp_by_name, NULL);
712 		if (error)
713 			goto done;
714 	} else {
715 		for (i = 0; i < argc; i++) {
716 			const char *refname;
717 			got_path_strip_trailing_slashes(argv[i]);
718 			refname = argv[i];
719 			error = add_ref(&new, &include_refs, refname, repo);
720 			if (error)
721 				goto done;
722 		}
723 	}
724 
725 	/* Ignore references in the refs/got/ namespace. */
726 	TAILQ_FOREACH_SAFE(re, &include_refs, entry, new) {
727 		const char *refname = got_ref_get_name(re->ref);
728 		if (strncmp("refs/got/", refname, 9) != 0)
729 			continue;
730 		TAILQ_REMOVE(&include_refs, re, entry);
731 		got_ref_close(re->ref);
732 		free(re);
733 	}
734 
735 	memset(&ppa, 0, sizeof(ppa));
736 	ppa.last_scaled_size[0] = '\0';
737 	ppa.last_p_indexed = -1;
738 	ppa.last_p_resolved = -1;
739 	ppa.verbosity = verbosity;
740 
741 	error = got_repo_pack_objects(&packfile, &pack_hash,
742 	    &include_refs, &exclude_refs, repo, loose_obj_only,
743 	    pack_progress, &ppa, check_cancelled, NULL);
744 	if (error) {
745 		if (ppa.printed_something)
746 			printf("\n");
747 		goto done;
748 	}
749 
750 	error = got_object_id_str(&id_str, pack_hash);
751 	if (error)
752 		goto done;
753 	if (verbosity >= 0)
754 		printf("\nWrote %s.pack\n", id_str);
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 	if (verbosity >= 0)
761 		printf("\nIndexed %s.pack\n", id_str);
762 done:
763 	if (repo)
764 		got_repo_close(repo);
765 	if (pack_fds) {
766 		const struct got_error *pack_err =
767 		    got_repo_pack_fds_close(pack_fds);
768 		if (error == NULL)
769 			error = pack_err;
770 	}
771 	got_pathlist_free(&exclude_args);
772 	got_ref_list_free(&exclude_refs);
773 	got_ref_list_free(&include_refs);
774 	free(id_str);
775 	free(pack_hash);
776 	free(repo_path);
777 	return error;
778 }
779 
780 __dead static void
781 usage_indexpack(void)
782 {
783 	fprintf(stderr, "usage: %s indexpack packfile-path\n",
784 	    getprogname());
785 	exit(1);
786 }
787 
788 static const struct got_error *
789 cmd_indexpack(int argc, char *argv[])
790 {
791 	const struct got_error *error = NULL;
792 	struct got_repository *repo = NULL;
793 	int ch;
794 	struct got_object_id *pack_hash = NULL;
795 	char *packfile_path = NULL;
796 	char *id_str = NULL;
797 	struct got_pack_progress_arg ppa;
798 	FILE *packfile = NULL;
799 	int *pack_fds = NULL;
800 
801 	while ((ch = getopt(argc, argv, "")) != -1) {
802 		switch (ch) {
803 		default:
804 			usage_indexpack();
805 			/* NOTREACHED */
806 		}
807 	}
808 
809 	argc -= optind;
810 	argv += optind;
811 
812 	if (argc != 1)
813 		usage_indexpack();
814 
815 	packfile_path = realpath(argv[0], NULL);
816 	if (packfile_path == NULL)
817 		return got_error_from_errno2("realpath", argv[0]);
818 
819 #ifndef PROFILE
820 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
821 	    NULL) == -1)
822 		err(1, "pledge");
823 #endif
824 
825 	error = got_repo_pack_fds_open(&pack_fds);
826 	if (error != NULL)
827 		goto done;
828 	error = got_repo_open(&repo, packfile_path, NULL, pack_fds);
829 	if (error)
830 		goto done;
831 
832 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
833 	if (error)
834 		goto done;
835 
836 	memset(&ppa, 0, sizeof(ppa));
837 	ppa.last_scaled_size[0] = '\0';
838 	ppa.last_p_indexed = -1;
839 	ppa.last_p_resolved = -1;
840 
841 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
842 	    packfile_path);
843 	if (error)
844 		goto done;
845 
846 	error = got_object_id_str(&id_str, pack_hash);
847 	if (error)
848 		goto done;
849 
850 	error = got_repo_index_pack(packfile, pack_hash, repo,
851 	    pack_index_progress, &ppa, check_cancelled, NULL);
852 	if (error)
853 		goto done;
854 	printf("\nIndexed %s.pack\n", id_str);
855 done:
856 	if (repo)
857 		got_repo_close(repo);
858 	if (pack_fds) {
859 		const struct got_error *pack_err =
860 		    got_repo_pack_fds_close(pack_fds);
861 		if (error == NULL)
862 			error = pack_err;
863 	}
864 	free(id_str);
865 	free(pack_hash);
866 	return error;
867 }
868 
869 __dead static void
870 usage_listpack(void)
871 {
872 	fprintf(stderr, "usage: %s listpack [-h] [-s] packfile-path\n",
873 	    getprogname());
874 	exit(1);
875 }
876 
877 struct gotadmin_list_pack_cb_args {
878 	int nblobs;
879 	int ntrees;
880 	int ncommits;
881 	int ntags;
882 	int noffdeltas;
883 	int nrefdeltas;
884 	int human_readable;
885 };
886 
887 static const struct got_error *
888 list_pack_cb(void *arg, struct got_object_id *id, int type, off_t offset,
889     off_t size, off_t base_offset, struct got_object_id *base_id)
890 {
891 	const struct got_error *err;
892 	struct gotadmin_list_pack_cb_args *a = arg;
893 	char *id_str, *delta_str = NULL, *base_id_str = NULL;
894 	const char *type_str;
895 
896 	err = got_object_id_str(&id_str, id);
897 	if (err)
898 		return err;
899 
900 	switch (type) {
901 	case GOT_OBJ_TYPE_BLOB:
902 		type_str = GOT_OBJ_LABEL_BLOB;
903 		a->nblobs++;
904 		break;
905 	case GOT_OBJ_TYPE_TREE:
906 		type_str = GOT_OBJ_LABEL_TREE;
907 		a->ntrees++;
908 		break;
909 	case GOT_OBJ_TYPE_COMMIT:
910 		type_str = GOT_OBJ_LABEL_COMMIT;
911 		a->ncommits++;
912 		break;
913 	case GOT_OBJ_TYPE_TAG:
914 		type_str = GOT_OBJ_LABEL_TAG;
915 		a->ntags++;
916 		break;
917 	case GOT_OBJ_TYPE_OFFSET_DELTA:
918 		type_str = "offset-delta";
919 		if (asprintf(&delta_str, " base-offset %lld",
920 		    (long long)base_offset) == -1) {
921 			err = got_error_from_errno("asprintf");
922 			goto done;
923 		}
924 		a->noffdeltas++;
925 		break;
926 	case GOT_OBJ_TYPE_REF_DELTA:
927 		type_str = "ref-delta";
928 		err = got_object_id_str(&base_id_str, base_id);	
929 		if (err)
930 			goto done;
931 		if (asprintf(&delta_str, " base-id %s", base_id_str) == -1) {
932 			err = got_error_from_errno("asprintf");
933 			goto done;
934 		}
935 		a->nrefdeltas++;
936 		break;
937 	default:
938 		err = got_error(GOT_ERR_OBJ_TYPE);
939 		goto done;
940 	}
941 	if (a->human_readable) {
942 		char scaled[FMT_SCALED_STRSIZE];
943 		char *s;;
944 		if (fmt_scaled(size, scaled) == -1) {
945 			err = got_error_from_errno("fmt_scaled");
946 			goto done;
947 		}
948 		s = scaled;
949 		while (isspace((unsigned char)*s))
950 			s++;
951 		printf("%s %s at %lld size %s%s\n", id_str, type_str,
952 		    (long long)offset, s, delta_str ? delta_str : "");
953 	} else {
954 		printf("%s %s at %lld size %lld%s\n", id_str, type_str,
955 		    (long long)offset, (long long)size,
956 		    delta_str ? delta_str : "");
957 	}
958 done:
959 	free(id_str);
960 	free(base_id_str);
961 	free(delta_str);
962 	return err;
963 }
964 
965 static const struct got_error *
966 cmd_listpack(int argc, char *argv[])
967 {
968 	const struct got_error *error = NULL;
969 	struct got_repository *repo = NULL;
970 	int ch;
971 	struct got_object_id *pack_hash = NULL;
972 	char *packfile_path = NULL;
973 	char *id_str = NULL;
974 	struct gotadmin_list_pack_cb_args lpa;
975 	FILE *packfile = NULL;
976 	int show_stats = 0, human_readable = 0;
977 	int *pack_fds = NULL;
978 
979 	while ((ch = getopt(argc, argv, "hs")) != -1) {
980 		switch (ch) {
981 		case 'h':
982 			human_readable = 1;
983 			break;
984 		case 's':
985 			show_stats = 1;
986 			break;
987 		default:
988 			usage_listpack();
989 			/* NOTREACHED */
990 		}
991 	}
992 
993 	argc -= optind;
994 	argv += optind;
995 
996 	if (argc != 1)
997 		usage_listpack();
998 	packfile_path = realpath(argv[0], NULL);
999 	if (packfile_path == NULL)
1000 		return got_error_from_errno2("realpath", argv[0]);
1001 
1002 #ifndef PROFILE
1003 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1004 	    NULL) == -1)
1005 		err(1, "pledge");
1006 #endif
1007 	error = got_repo_pack_fds_open(&pack_fds);
1008 	if (error != NULL)
1009 		goto done;
1010 	error = got_repo_open(&repo, packfile_path, NULL, pack_fds);
1011 	if (error)
1012 		goto done;
1013 #ifndef PROFILE
1014 	/* Remove "cpath" promise. */
1015 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
1016 	    NULL) == -1)
1017 		err(1, "pledge");
1018 #endif
1019 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
1020 	if (error)
1021 		goto done;
1022 
1023 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
1024 	    packfile_path);
1025 	if (error)
1026 		goto done;
1027 	error = got_object_id_str(&id_str, pack_hash);
1028 	if (error)
1029 		goto done;
1030 
1031 	memset(&lpa, 0, sizeof(lpa));
1032 	lpa.human_readable = human_readable;
1033 	error = got_repo_list_pack(packfile, pack_hash, repo,
1034 	    list_pack_cb, &lpa, check_cancelled, NULL);
1035 	if (error)
1036 		goto done;
1037 	if (show_stats) {
1038 		printf("objects: %d\n  blobs: %d\n  trees: %d\n  commits: %d\n"
1039 		    "  tags: %d\n  offset-deltas: %d\n  ref-deltas: %d\n",
1040 		    lpa.nblobs + lpa.ntrees + lpa.ncommits + lpa.ntags +
1041 		    lpa.noffdeltas + lpa.nrefdeltas,
1042 		    lpa.nblobs, lpa.ntrees, lpa.ncommits, lpa.ntags,
1043 		    lpa.noffdeltas, lpa.nrefdeltas);
1044 	}
1045 done:
1046 	if (repo)
1047 		got_repo_close(repo);
1048 	if (pack_fds) {
1049 		const struct got_error *pack_err =
1050 		    got_repo_pack_fds_close(pack_fds);
1051 		if (error == NULL)
1052 			error = pack_err;
1053 	}
1054 	free(id_str);
1055 	free(pack_hash);
1056 	free(packfile_path);
1057 	return error;
1058 }
1059 
1060 __dead static void
1061 usage_cleanup(void)
1062 {
1063 	fprintf(stderr, "usage: %s cleanup [-a] [-p] [-n] [-r repository-path] "
1064 	    "[-q]\n", getprogname());
1065 	exit(1);
1066 }
1067 
1068 struct got_cleanup_progress_arg {
1069 	int last_nloose;
1070 	int last_ncommits;
1071 	int last_npurged;
1072 	int verbosity;
1073 	int printed_something;
1074 	int dry_run;
1075 };
1076 
1077 static const struct got_error *
1078 cleanup_progress(void *arg, int nloose, int ncommits, int npurged)
1079 {
1080 	struct got_cleanup_progress_arg *a = arg;
1081 	int print_loose = 0, print_commits = 0, print_purged = 0;
1082 
1083 	if (a->last_nloose != nloose) {
1084 		print_loose = 1;
1085 		a->last_nloose = nloose;
1086 	}
1087 	if (a->last_ncommits != ncommits) {
1088 		print_loose = 1;
1089 		print_commits = 1;
1090 		a->last_ncommits = ncommits;
1091 	}
1092 	if (a->last_npurged != npurged) {
1093 		print_loose = 1;
1094 		print_commits = 1;
1095 		print_purged = 1;
1096 		a->last_npurged = npurged;
1097 	}
1098 
1099 	if (a->verbosity < 0)
1100 		return NULL;
1101 
1102 	if (print_loose || print_commits || print_purged)
1103 		printf("\r");
1104 	if (print_loose)
1105 		printf("%d loose object%s", nloose, nloose == 1 ? "" : "s");
1106 	if (print_commits)
1107 		printf("; %d commit%s scanned", ncommits,
1108 		    ncommits == 1 ? "" : "s");
1109 	if (print_purged) {
1110 		if (a->dry_run) {
1111 			printf("; %d object%s could be purged", npurged,
1112 			    npurged == 1 ? "" : "s");
1113 		} else {
1114 			printf("; %d object%s purged", npurged,
1115 			    npurged == 1 ? "" : "s");
1116 		}
1117 	}
1118 	if (print_loose || print_commits || print_purged) {
1119 		a->printed_something = 1;
1120 		fflush(stdout);
1121 	}
1122 	return NULL;
1123 }
1124 
1125 struct got_lonely_packidx_progress_arg {
1126 	int verbosity;
1127 	int printed_something;
1128 	int dry_run;
1129 };
1130 
1131 static const struct got_error *
1132 lonely_packidx_progress(void *arg, const char *path)
1133 {
1134 	struct got_lonely_packidx_progress_arg *a = arg;
1135 
1136 	if (a->verbosity < 0)
1137 		return NULL;
1138 
1139 	if (a->dry_run)
1140 		printf("%s could be removed\n", path);
1141 	else
1142 		printf("%s removed\n", path);
1143 
1144 	a->printed_something = 1;
1145 	return NULL;
1146 }
1147 
1148 static const struct got_error *
1149 cmd_cleanup(int argc, char *argv[])
1150 {
1151 	const struct got_error *error = NULL;
1152 	char *repo_path = NULL;
1153 	struct got_repository *repo = NULL;
1154 	int ch, dry_run = 0, npacked = 0, verbosity = 0;
1155 	int remove_lonely_packidx = 0, ignore_mtime = 0;
1156 	struct got_cleanup_progress_arg cpa;
1157 	struct got_lonely_packidx_progress_arg lpa;
1158 	off_t size_before, size_after;
1159 	char scaled_before[FMT_SCALED_STRSIZE];
1160 	char scaled_after[FMT_SCALED_STRSIZE];
1161 	char scaled_diff[FMT_SCALED_STRSIZE];
1162 	char **extensions;
1163 	int nextensions, i;
1164 	int *pack_fds = NULL;
1165 
1166 	while ((ch = getopt(argc, argv, "apr:nq")) != -1) {
1167 		switch (ch) {
1168 		case 'a':
1169 			ignore_mtime = 1;
1170 			break;
1171 		case 'p':
1172 			remove_lonely_packidx = 1;
1173 			break;
1174 		case 'r':
1175 			repo_path = realpath(optarg, NULL);
1176 			if (repo_path == NULL)
1177 				return got_error_from_errno2("realpath",
1178 				    optarg);
1179 			got_path_strip_trailing_slashes(repo_path);
1180 			break;
1181 		case 'n':
1182 			dry_run = 1;
1183 			break;
1184 		case 'q':
1185 			verbosity = -1;
1186 			break;
1187 		default:
1188 			usage_cleanup();
1189 			/* NOTREACHED */
1190 		}
1191 	}
1192 
1193 	argc -= optind;
1194 	argv += optind;
1195 
1196 #ifndef PROFILE
1197 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1198 	    NULL) == -1)
1199 		err(1, "pledge");
1200 #endif
1201 	if (repo_path == NULL) {
1202 		error = get_repo_path(&repo_path);
1203 		if (error)
1204 			goto done;
1205 	}
1206 	error = got_repo_pack_fds_open(&pack_fds);
1207 	if (error != NULL)
1208 		goto done;
1209 	error = got_repo_open(&repo, repo_path, NULL, pack_fds);
1210 	if (error)
1211 		goto done;
1212 
1213 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
1214 	if (error)
1215 		goto done;
1216 
1217 	got_repo_get_gitconfig_extensions(&extensions, &nextensions,
1218 	    repo);
1219 	for (i = 0; i < nextensions; i++) {
1220 		if (strcasecmp(extensions[i], "preciousObjects") == 0) {
1221 			error = got_error_msg(GOT_ERR_GIT_REPO_EXT,
1222 			    "the preciousObjects Git extension is enabled; "
1223 			    "this implies that objects must not be deleted");
1224 			goto done;
1225 		}
1226 	}
1227 
1228 	if (remove_lonely_packidx) {
1229 		memset(&lpa, 0, sizeof(lpa));
1230 		lpa.dry_run = dry_run;
1231 		lpa.verbosity = verbosity;
1232 		error = got_repo_remove_lonely_packidx(repo, dry_run,
1233 		    lonely_packidx_progress, &lpa, check_cancelled, NULL);
1234 		goto done;
1235 	}
1236 
1237 	memset(&cpa, 0, sizeof(cpa));
1238 	cpa.last_ncommits = -1;
1239 	cpa.last_npurged = -1;
1240 	cpa.dry_run = dry_run;
1241 	cpa.verbosity = verbosity;
1242 	error = got_repo_purge_unreferenced_loose_objects(repo,
1243 	    &size_before, &size_after, &npacked, dry_run, ignore_mtime,
1244 	    cleanup_progress, &cpa, check_cancelled, NULL);
1245 	if (cpa.printed_something)
1246 		printf("\n");
1247 	if (error)
1248 		goto done;
1249 	if (cpa.printed_something) {
1250 		if (fmt_scaled(size_before, scaled_before) == -1) {
1251 			error = got_error_from_errno("fmt_scaled");
1252 			goto done;
1253 		}
1254 		if (fmt_scaled(size_after, scaled_after) == -1) {
1255 			error = got_error_from_errno("fmt_scaled");
1256 			goto done;
1257 		}
1258 		if (fmt_scaled(size_before - size_after, scaled_diff) == -1) {
1259 			error = got_error_from_errno("fmt_scaled");
1260 			goto done;
1261 		}
1262 		printf("loose total size before: %s\n", scaled_before);
1263 		printf("loose total size after: %s\n", scaled_after);
1264 		if (dry_run) {
1265 			printf("disk space which would be freed: %s\n",
1266 			    scaled_diff);
1267 		} else
1268 			printf("disk space freed: %s\n", scaled_diff);
1269 		printf("loose objects also found in pack files: %d\n", npacked);
1270 	}
1271 done:
1272 	if (repo)
1273 		got_repo_close(repo);
1274 	if (pack_fds) {
1275 		const struct got_error *pack_err =
1276 		    got_repo_pack_fds_close(pack_fds);
1277 		if (error == NULL)
1278 			error = pack_err;
1279 	}
1280 	free(repo_path);
1281 	return error;
1282 }