1/*
2 * Builtin "git count-objects".
3 *
4 * Copyright (c) 2006 Junio C Hamano
5 */
6#include "cache.h"
8#include "dir.h"
9#include "builtin.h"
10#include "parse-options.h"
11static unsigned long garbage;
13static off_t size_garbage;
14static void real_report_garbage(const char *desc, const char *path)
16{
17 struct stat st;
18 if (!stat(path, &st))
19 size_garbage += st.st_size;
20 warning("%s: %s", desc, path);
21 garbage++;
22}
23static void count_objects(DIR *d, char *path, int len, int verbose,
25 unsigned long *loose,
26 off_t *loose_size,
27 unsigned long *packed_loose)
28{
29 struct dirent *ent;
30 while ((ent = readdir(d)) != NULL) {
31 char hex[41];
32 unsigned char sha1[20];
33 const char *cp;
34 int bad = 0;
35 if (is_dot_or_dotdot(ent->d_name))
37 continue;
38 for (cp = ent->d_name; *cp; cp++) {
39 int ch = *cp;
40 if (('0' <= ch && ch <= '9') ||
41 ('a' <= ch && ch <= 'f'))
42 continue;
43 bad = 1;
44 break;
45 }
46 if (cp - ent->d_name != 38)
47 bad = 1;
48 else {
49 struct stat st;
50 memcpy(path + len + 3, ent->d_name, 38);
51 path[len + 2] = '/';
52 path[len + 41] = 0;
53 if (lstat(path, &st) || !S_ISREG(st.st_mode))
54 bad = 1;
55 else
56 (*loose_size) += xsize_t(on_disk_bytes(st));
57 }
58 if (bad) {
59 if (verbose) {
60 struct strbuf sb = STRBUF_INIT;
61 strbuf_addf(&sb, "%.*s/%s",
62 len + 2, path, ent->d_name);
63 report_garbage("garbage found", sb.buf);
64 strbuf_release(&sb);
65 }
66 continue;
67 }
68 (*loose)++;
69 if (!verbose)
70 continue;
71 memcpy(hex, path+len, 2);
72 memcpy(hex+2, ent->d_name, 38);
73 hex[40] = 0;
74 if (get_sha1_hex(hex, sha1))
75 die("internal error");
76 if (has_sha1_pack(sha1))
77 (*packed_loose)++;
78 }
79}
80static char const * const count_objects_usage[] = {
82 N_("git count-objects [-v] [-H | --human-readable]"),
83 NULL
84};
85int cmd_count_objects(int argc, const char **argv, const char *prefix)
87{
88 int i, verbose = 0, human_readable = 0;
89 const char *objdir = get_object_directory();
90 int len = strlen(objdir);
91 char *path = xmalloc(len + 50);
92 unsigned long loose = 0, packed = 0, packed_loose = 0;
93 off_t loose_size = 0;
94 struct option opts[] = {
95 OPT__VERBOSE(&verbose, N_("be verbose")),
96 OPT_BOOL('H', "human-readable", &human_readable,
97 N_("print sizes in human readable format")),
98 OPT_END(),
99 };
100 argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
102 /* we do not take arguments other than flags for now */
103 if (argc)
104 usage_with_options(count_objects_usage, opts);
105 if (verbose)
106 report_garbage = real_report_garbage;
107 memcpy(path, objdir, len);
108 if (len && objdir[len-1] != '/')
109 path[len++] = '/';
110 for (i = 0; i < 256; i++) {
111 DIR *d;
112 sprintf(path + len, "%02x", i);
113 d = opendir(path);
114 if (!d)
115 continue;
116 count_objects(d, path, len, verbose,
117 &loose, &loose_size, &packed_loose);
118 closedir(d);
119 }
120 if (verbose) {
121 struct packed_git *p;
122 unsigned long num_pack = 0;
123 off_t size_pack = 0;
124 struct strbuf loose_buf = STRBUF_INIT;
125 struct strbuf pack_buf = STRBUF_INIT;
126 struct strbuf garbage_buf = STRBUF_INIT;
127 if (!packed_git)
128 prepare_packed_git();
129 for (p = packed_git; p; p = p->next) {
130 if (!p->pack_local)
131 continue;
132 if (open_pack_index(p))
133 continue;
134 packed += p->num_objects;
135 size_pack += p->pack_size + p->index_size;
136 num_pack++;
137 }
138 if (human_readable) {
140 strbuf_humanise_bytes(&loose_buf, loose_size);
141 strbuf_humanise_bytes(&pack_buf, size_pack);
142 strbuf_humanise_bytes(&garbage_buf, size_garbage);
143 } else {
144 strbuf_addf(&loose_buf, "%lu",
145 (unsigned long)(loose_size / 1024));
146 strbuf_addf(&pack_buf, "%lu",
147 (unsigned long)(size_pack / 1024));
148 strbuf_addf(&garbage_buf, "%lu",
149 (unsigned long)(size_garbage / 1024));
150 }
151 printf("count: %lu\n", loose);
153 printf("size: %s\n", loose_buf.buf);
154 printf("in-pack: %lu\n", packed);
155 printf("packs: %lu\n", num_pack);
156 printf("size-pack: %s\n", pack_buf.buf);
157 printf("prune-packable: %lu\n", packed_loose);
158 printf("garbage: %lu\n", garbage);
159 printf("size-garbage: %s\n", garbage_buf.buf);
160 strbuf_release(&loose_buf);
161 strbuf_release(&pack_buf);
162 strbuf_release(&garbage_buf);
163 } else {
164 struct strbuf buf = STRBUF_INIT;
165 if (human_readable)
166 strbuf_humanise_bytes(&buf, loose_size);
167 else
168 strbuf_addf(&buf, "%lu kilobytes",
169 (unsigned long)(loose_size / 1024));
170 printf("%lu objects, %s\n", loose, buf.buf);
171 strbuf_release(&buf);
172 }
173 return 0;
174}