aboutsummaryrefslogtreecommitdiff
path: root/builtin/count-objects.c
blob: a7f70cb858e6574562957b739b8a3d42f0353b40 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/*
 * Builtin "git count-objects".
 *
 * Copyright (c) 2006 Junio C Hamano
 */

#include "cache.h"
#include "dir.h"
#include "builtin.h"
#include "parse-options.h"

static unsigned long garbage;
static off_t size_garbage;

static void real_report_garbage(const char *desc, const char *path)
{
	struct stat st;
	if (!stat(path, &st))
		size_garbage += st.st_size;
	warning("%s: %s", desc, path);
	garbage++;
}

static void count_objects(DIR *d, char *path, int len, int verbose,
			  unsigned long *loose,
			  off_t *loose_size,
			  unsigned long *packed_loose)
{
	struct dirent *ent;
	while ((ent = readdir(d)) != NULL) {
		char hex[41];
		unsigned char sha1[20];
		const char *cp;
		int bad = 0;

		if (is_dot_or_dotdot(ent->d_name))
			continue;
		for (cp = ent->d_name; *cp; cp++) {
			int ch = *cp;
			if (('0' <= ch && ch <= '9') ||
			    ('a' <= ch && ch <= 'f'))
				continue;
			bad = 1;
			break;
		}
		if (cp - ent->d_name != 38)
			bad = 1;
		else {
			struct stat st;
			memcpy(path + len + 3, ent->d_name, 38);
			path[len + 2] = '/';
			path[len + 41] = 0;
			if (lstat(path, &st) || !S_ISREG(st.st_mode))
				bad = 1;
			else
				(*loose_size) += xsize_t(on_disk_bytes(st));
		}
		if (bad) {
			if (verbose) {
				struct strbuf sb = STRBUF_INIT;
				strbuf_addf(&sb, "%.*s/%s",
					    len + 2, path, ent->d_name);
				report_garbage("garbage found", sb.buf);
				strbuf_release(&sb);
			}
			continue;
		}
		(*loose)++;
		if (!verbose)
			continue;
		memcpy(hex, path+len, 2);
		memcpy(hex+2, ent->d_name, 38);
		hex[40] = 0;
		if (get_sha1_hex(hex, sha1))
			die("internal error");
		if (has_sha1_pack(sha1))
			(*packed_loose)++;
	}
}

static char const * const count_objects_usage[] = {
	N_("git count-objects [-v] [-H | --human-readable]"),
	NULL
};

int cmd_count_objects(int argc, const char **argv, const char *prefix)
{
	int i, verbose = 0, human_readable = 0;
	const char *objdir = get_object_directory();
	int len = strlen(objdir);
	char *path = xmalloc(len + 50);
	unsigned long loose = 0, packed = 0, packed_loose = 0;
	off_t loose_size = 0;
	struct option opts[] = {
		OPT__VERBOSE(&verbose, N_("be verbose")),
		OPT_BOOL('H', "human-readable", &human_readable,
			 N_("print sizes in human readable format")),
		OPT_END(),
	};

	argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
	/* we do not take arguments other than flags for now */
	if (argc)
		usage_with_options(count_objects_usage, opts);
	if (verbose)
		report_garbage = real_report_garbage;
	memcpy(path, objdir, len);
	if (len && objdir[len-1] != '/')
		path[len++] = '/';
	for (i = 0; i < 256; i++) {
		DIR *d;
		sprintf(path + len, "%02x", i);
		d = opendir(path);
		if (!d)
			continue;
		count_objects(d, path, len, verbose,
			      &loose, &loose_size, &packed_loose);
		closedir(d);
	}
	if (verbose) {
		struct packed_git *p;
		unsigned long num_pack = 0;
		off_t size_pack = 0;
		struct strbuf loose_buf = STRBUF_INIT;
		struct strbuf pack_buf = STRBUF_INIT;
		struct strbuf garbage_buf = STRBUF_INIT;
		if (!packed_git)
			prepare_packed_git();
		for (p = packed_git; p; p = p->next) {
			if (!p->pack_local)
				continue;
			if (open_pack_index(p))
				continue;
			packed += p->num_objects;
			size_pack += p->pack_size + p->index_size;
			num_pack++;
		}

		if (human_readable) {
			strbuf_humanise_bytes(&loose_buf, loose_size);
			strbuf_humanise_bytes(&pack_buf, size_pack);
			strbuf_humanise_bytes(&garbage_buf, size_garbage);
		} else {
			strbuf_addf(&loose_buf, "%lu",
				    (unsigned long)(loose_size / 1024));
			strbuf_addf(&pack_buf, "%lu",
				    (unsigned long)(size_pack / 1024));
			strbuf_addf(&garbage_buf, "%lu",
				    (unsigned long)(size_garbage / 1024));
		}

		printf("count: %lu\n", loose);
		printf("size: %s\n", loose_buf.buf);
		printf("in-pack: %lu\n", packed);
		printf("packs: %lu\n", num_pack);
		printf("size-pack: %s\n", pack_buf.buf);
		printf("prune-packable: %lu\n", packed_loose);
		printf("garbage: %lu\n", garbage);
		printf("size-garbage: %s\n", garbage_buf.buf);
		strbuf_release(&loose_buf);
		strbuf_release(&pack_buf);
		strbuf_release(&garbage_buf);
	} else {
		struct strbuf buf = STRBUF_INIT;
		if (human_readable)
			strbuf_humanise_bytes(&buf, loose_size);
		else
			strbuf_addf(&buf, "%lu kilobytes",
				    (unsigned long)(loose_size / 1024));
		printf("%lu objects, %s\n", loose, buf.buf);
		strbuf_release(&buf);
	}
	return 0;
}