Merge branch 'tz/do-not-clean-spec-file'
[git] / builtin / count-objects.c
1 /*
2  * Builtin "git count-objects".
3  *
4  * Copyright (c) 2006 Junio C Hamano
5  */
6
7 #include "cache.h"
8 #include "config.h"
9 #include "dir.h"
10 #include "builtin.h"
11 #include "parse-options.h"
12 #include "quote.h"
13 #include "packfile.h"
14
15 static unsigned long garbage;
16 static off_t size_garbage;
17 static int verbose;
18 static unsigned long loose, packed, packed_loose;
19 static off_t loose_size;
20
21 static const char *bits_to_msg(unsigned seen_bits)
22 {
23         switch (seen_bits) {
24         case 0:
25                 return "no corresponding .idx or .pack";
26         case PACKDIR_FILE_GARBAGE:
27                 return "garbage found";
28         case PACKDIR_FILE_PACK:
29                 return "no corresponding .idx";
30         case PACKDIR_FILE_IDX:
31                 return "no corresponding .pack";
32         case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
33         default:
34                 return NULL;
35         }
36 }
37
38 static void real_report_garbage(unsigned seen_bits, const char *path)
39 {
40         struct stat st;
41         const char *desc = bits_to_msg(seen_bits);
42
43         if (!desc)
44                 return;
45
46         if (!stat(path, &st))
47                 size_garbage += st.st_size;
48         warning("%s: %s", desc, path);
49         garbage++;
50 }
51
52 static void loose_garbage(const char *path)
53 {
54         if (verbose)
55                 report_garbage(PACKDIR_FILE_GARBAGE, path);
56 }
57
58 static int count_loose(const struct object_id *oid, const char *path, void *data)
59 {
60         struct stat st;
61
62         if (lstat(path, &st) || !S_ISREG(st.st_mode))
63                 loose_garbage(path);
64         else {
65                 loose_size += on_disk_bytes(st);
66                 loose++;
67                 if (verbose && has_sha1_pack(oid->hash))
68                         packed_loose++;
69         }
70         return 0;
71 }
72
73 static int count_cruft(const char *basename, const char *path, void *data)
74 {
75         loose_garbage(path);
76         return 0;
77 }
78
79 static int print_alternate(struct alternate_object_database *alt, void *data)
80 {
81         printf("alternate: ");
82         quote_c_style(alt->path, NULL, stdout, 0);
83         putchar('\n');
84         return 0;
85 }
86
87 static char const * const count_objects_usage[] = {
88         N_("git count-objects [-v] [-H | --human-readable]"),
89         NULL
90 };
91
92 int cmd_count_objects(int argc, const char **argv, const char *prefix)
93 {
94         int human_readable = 0;
95         struct option opts[] = {
96                 OPT__VERBOSE(&verbose, N_("be verbose")),
97                 OPT_BOOL('H', "human-readable", &human_readable,
98                          N_("print sizes in human readable format")),
99                 OPT_END(),
100         };
101
102         git_config(git_default_config, NULL);
103
104         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
105         /* we do not take arguments other than flags for now */
106         if (argc)
107                 usage_with_options(count_objects_usage, opts);
108         if (verbose) {
109                 report_garbage = real_report_garbage;
110                 report_linked_checkout_garbage();
111         }
112
113         for_each_loose_file_in_objdir(get_object_directory(),
114                                       count_loose, count_cruft, NULL, NULL);
115
116         if (verbose) {
117                 struct packed_git *p;
118                 unsigned long num_pack = 0;
119                 off_t size_pack = 0;
120                 struct strbuf loose_buf = STRBUF_INIT;
121                 struct strbuf pack_buf = STRBUF_INIT;
122                 struct strbuf garbage_buf = STRBUF_INIT;
123                 if (!packed_git)
124                         prepare_packed_git();
125                 for (p = packed_git; p; p = p->next) {
126                         if (!p->pack_local)
127                                 continue;
128                         if (open_pack_index(p))
129                                 continue;
130                         packed += p->num_objects;
131                         size_pack += p->pack_size + p->index_size;
132                         num_pack++;
133                 }
134
135                 if (human_readable) {
136                         strbuf_humanise_bytes(&loose_buf, loose_size);
137                         strbuf_humanise_bytes(&pack_buf, size_pack);
138                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
139                 } else {
140                         strbuf_addf(&loose_buf, "%lu",
141                                     (unsigned long)(loose_size / 1024));
142                         strbuf_addf(&pack_buf, "%lu",
143                                     (unsigned long)(size_pack / 1024));
144                         strbuf_addf(&garbage_buf, "%lu",
145                                     (unsigned long)(size_garbage / 1024));
146                 }
147
148                 printf("count: %lu\n", loose);
149                 printf("size: %s\n", loose_buf.buf);
150                 printf("in-pack: %lu\n", packed);
151                 printf("packs: %lu\n", num_pack);
152                 printf("size-pack: %s\n", pack_buf.buf);
153                 printf("prune-packable: %lu\n", packed_loose);
154                 printf("garbage: %lu\n", garbage);
155                 printf("size-garbage: %s\n", garbage_buf.buf);
156                 foreach_alt_odb(print_alternate, NULL);
157                 strbuf_release(&loose_buf);
158                 strbuf_release(&pack_buf);
159                 strbuf_release(&garbage_buf);
160         } else {
161                 struct strbuf buf = STRBUF_INIT;
162                 if (human_readable)
163                         strbuf_humanise_bytes(&buf, loose_size);
164                 else
165                         strbuf_addf(&buf, "%lu kilobytes",
166                                     (unsigned long)(loose_size / 1024));
167                 printf("%lu objects, %s\n", loose, buf.buf);
168                 strbuf_release(&buf);
169         }
170         return 0;
171 }