git

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/*
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 * Builtin "git count-objects".
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 *
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 * Copyright (c) 2006 Junio C Hamano
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 */
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#include "builtin.h"
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#include "config.h"
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#include "dir.h"
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#include "environment.h"
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#include "gettext.h"
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#include "path.h"
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#include "repository.h"
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#include "parse-options.h"
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#include "quote.h"
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#include "packfile.h"
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#include "object-store-ll.h"
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static unsigned long garbage;
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static off_t size_garbage;
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static int verbose;
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static unsigned long loose, packed, packed_loose;
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static off_t loose_size;
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static const char *bits_to_msg(unsigned seen_bits)
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{
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	switch (seen_bits) {
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	case 0:
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		return "no corresponding .idx or .pack";
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	case PACKDIR_FILE_GARBAGE:
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		return "garbage found";
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	case PACKDIR_FILE_PACK:
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		return "no corresponding .idx";
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	case PACKDIR_FILE_IDX:
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		return "no corresponding .pack";
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	case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
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	default:
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		return NULL;
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	}
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}
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static void real_report_garbage(unsigned seen_bits, const char *path)
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{
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	struct stat st;
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	const char *desc = bits_to_msg(seen_bits);
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	if (!desc)
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		return;
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	if (!stat(path, &st))
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		size_garbage += st.st_size;
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	warning("%s: %s", desc, path);
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	garbage++;
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}
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static void loose_garbage(const char *path)
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{
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	if (verbose)
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		report_garbage(PACKDIR_FILE_GARBAGE, path);
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}
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static int count_loose(const struct object_id *oid, const char *path,
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		       void *data UNUSED)
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{
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	struct stat st;
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	if (lstat(path, &st) || !S_ISREG(st.st_mode))
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		loose_garbage(path);
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	else {
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		loose_size += on_disk_bytes(st);
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		loose++;
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		if (verbose && has_object_pack(oid))
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			packed_loose++;
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	}
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	return 0;
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}
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static int count_cruft(const char *basename UNUSED, const char *path,
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		       void *data UNUSED)
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{
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	loose_garbage(path);
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	return 0;
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}
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static int print_alternate(struct object_directory *odb, void *data UNUSED)
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{
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	printf("alternate: ");
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	quote_c_style(odb->path, NULL, stdout, 0);
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	putchar('\n');
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	return 0;
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}
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static char const * const count_objects_usage[] = {
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	"git count-objects [-v] [-H | --human-readable]",
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	NULL
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};
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int cmd_count_objects(int argc, const char **argv, const char *prefix)
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{
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	int human_readable = 0;
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	struct option opts[] = {
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		OPT__VERBOSE(&verbose, N_("be verbose")),
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		OPT_BOOL('H', "human-readable", &human_readable,
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			 N_("print sizes in human readable format")),
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		OPT_END(),
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	};
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	git_config(git_default_config, NULL);
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	argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
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	/* we do not take arguments other than flags for now */
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	if (argc)
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		usage_with_options(count_objects_usage, opts);
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	if (verbose) {
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		report_garbage = real_report_garbage;
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		report_linked_checkout_garbage(the_repository);
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	}
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	for_each_loose_file_in_objdir(get_object_directory(),
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				      count_loose, count_cruft, NULL, NULL);
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	if (verbose) {
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		struct packed_git *p;
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		unsigned long num_pack = 0;
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		off_t size_pack = 0;
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		struct strbuf loose_buf = STRBUF_INIT;
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		struct strbuf pack_buf = STRBUF_INIT;
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		struct strbuf garbage_buf = STRBUF_INIT;
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		for (p = get_all_packs(the_repository); p; p = p->next) {
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			if (!p->pack_local)
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				continue;
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			if (open_pack_index(p))
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				continue;
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			packed += p->num_objects;
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			size_pack += p->pack_size + p->index_size;
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			num_pack++;
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		}
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		if (human_readable) {
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			strbuf_humanise_bytes(&loose_buf, loose_size);
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			strbuf_humanise_bytes(&pack_buf, size_pack);
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			strbuf_humanise_bytes(&garbage_buf, size_garbage);
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		} else {
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			strbuf_addf(&loose_buf, "%lu",
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				    (unsigned long)(loose_size / 1024));
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			strbuf_addf(&pack_buf, "%lu",
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				    (unsigned long)(size_pack / 1024));
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			strbuf_addf(&garbage_buf, "%lu",
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				    (unsigned long)(size_garbage / 1024));
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		}
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		printf("count: %lu\n", loose);
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		printf("size: %s\n", loose_buf.buf);
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		printf("in-pack: %lu\n", packed);
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		printf("packs: %lu\n", num_pack);
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		printf("size-pack: %s\n", pack_buf.buf);
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		printf("prune-packable: %lu\n", packed_loose);
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		printf("garbage: %lu\n", garbage);
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		printf("size-garbage: %s\n", garbage_buf.buf);
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		foreach_alt_odb(print_alternate, NULL);
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		strbuf_release(&loose_buf);
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		strbuf_release(&pack_buf);
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		strbuf_release(&garbage_buf);
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	} else {
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		struct strbuf buf = STRBUF_INIT;
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		if (human_readable)
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			strbuf_humanise_bytes(&buf, loose_size);
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		else
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			strbuf_addf(&buf, "%lu kilobytes",
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				    (unsigned long)(loose_size / 1024));
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		printf("%lu objects, %s\n", loose, buf.buf);
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		strbuf_release(&buf);
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	}
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	return 0;
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}
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