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