Merge branch 'sh/submodule-summary-abbrev-fix'
[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 "repository.h"
11 #include "builtin.h"
12 #include "parse-options.h"
13 #include "quote.h"
14 #include "packfile.h"
15 #include "object-store.h"
16
17 static unsigned long garbage;
18 static off_t size_garbage;
19 static int verbose;
20 static unsigned long loose, packed, packed_loose;
21 static off_t loose_size;
22
23 static const char *bits_to_msg(unsigned seen_bits)
24 {
25         switch (seen_bits) {
26         case 0:
27                 return "no corresponding .idx or .pack";
28         case PACKDIR_FILE_GARBAGE:
29                 return "garbage found";
30         case PACKDIR_FILE_PACK:
31                 return "no corresponding .idx";
32         case PACKDIR_FILE_IDX:
33                 return "no corresponding .pack";
34         case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
35         default:
36                 return NULL;
37         }
38 }
39
40 static void real_report_garbage(unsigned seen_bits, const char *path)
41 {
42         struct stat st;
43         const char *desc = bits_to_msg(seen_bits);
44
45         if (!desc)
46                 return;
47
48         if (!stat(path, &st))
49                 size_garbage += st.st_size;
50         warning("%s: %s", desc, path);
51         garbage++;
52 }
53
54 static void loose_garbage(const char *path)
55 {
56         if (verbose)
57                 report_garbage(PACKDIR_FILE_GARBAGE, path);
58 }
59
60 static int count_loose(const struct object_id *oid, const char *path, void *data)
61 {
62         struct stat st;
63
64         if (lstat(path, &st) || !S_ISREG(st.st_mode))
65                 loose_garbage(path);
66         else {
67                 loose_size += on_disk_bytes(st);
68                 loose++;
69                 if (verbose && has_object_pack(oid))
70                         packed_loose++;
71         }
72         return 0;
73 }
74
75 static int count_cruft(const char *basename, const char *path, void *data)
76 {
77         loose_garbage(path);
78         return 0;
79 }
80
81 static int print_alternate(struct object_directory *odb, void *data)
82 {
83         printf("alternate: ");
84         quote_c_style(odb->path, NULL, stdout, 0);
85         putchar('\n');
86         return 0;
87 }
88
89 static char const * const count_objects_usage[] = {
90         N_("git count-objects [-v] [-H | --human-readable]"),
91         NULL
92 };
93
94 int cmd_count_objects(int argc, const char **argv, const char *prefix)
95 {
96         int human_readable = 0;
97         struct option opts[] = {
98                 OPT__VERBOSE(&verbose, N_("be verbose")),
99                 OPT_BOOL('H', "human-readable", &human_readable,
100                          N_("print sizes in human readable format")),
101                 OPT_END(),
102         };
103
104         git_config(git_default_config, NULL);
105
106         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
107         /* we do not take arguments other than flags for now */
108         if (argc)
109                 usage_with_options(count_objects_usage, opts);
110         if (verbose) {
111                 report_garbage = real_report_garbage;
112                 report_linked_checkout_garbage();
113         }
114
115         for_each_loose_file_in_objdir(get_object_directory(),
116                                       count_loose, count_cruft, NULL, NULL);
117
118         if (verbose) {
119                 struct packed_git *p;
120                 unsigned long num_pack = 0;
121                 off_t size_pack = 0;
122                 struct strbuf loose_buf = STRBUF_INIT;
123                 struct strbuf pack_buf = STRBUF_INIT;
124                 struct strbuf garbage_buf = STRBUF_INIT;
125
126                 for (p = get_all_packs(the_repository); p; p = p->next) {
127                         if (!p->pack_local)
128                                 continue;
129                         if (open_pack_index(p))
130                                 continue;
131                         packed += p->num_objects;
132                         size_pack += p->pack_size + p->index_size;
133                         num_pack++;
134                 }
135
136                 if (human_readable) {
137                         strbuf_humanise_bytes(&loose_buf, loose_size);
138                         strbuf_humanise_bytes(&pack_buf, size_pack);
139                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
140                 } else {
141                         strbuf_addf(&loose_buf, "%lu",
142                                     (unsigned long)(loose_size / 1024));
143                         strbuf_addf(&pack_buf, "%lu",
144                                     (unsigned long)(size_pack / 1024));
145                         strbuf_addf(&garbage_buf, "%lu",
146                                     (unsigned long)(size_garbage / 1024));
147                 }
148
149                 printf("count: %lu\n", loose);
150                 printf("size: %s\n", loose_buf.buf);
151                 printf("in-pack: %lu\n", packed);
152                 printf("packs: %lu\n", num_pack);
153                 printf("size-pack: %s\n", pack_buf.buf);
154                 printf("prune-packable: %lu\n", packed_loose);
155                 printf("garbage: %lu\n", garbage);
156                 printf("size-garbage: %s\n", garbage_buf.buf);
157                 foreach_alt_odb(print_alternate, NULL);
158                 strbuf_release(&loose_buf);
159                 strbuf_release(&pack_buf);
160                 strbuf_release(&garbage_buf);
161         } else {
162                 struct strbuf buf = STRBUF_INIT;
163                 if (human_readable)
164                         strbuf_humanise_bytes(&buf, loose_size);
165                 else
166                         strbuf_addf(&buf, "%lu kilobytes",
167                                     (unsigned long)(loose_size / 1024));
168                 printf("%lu objects, %s\n", loose, buf.buf);
169                 strbuf_release(&buf);
170         }
171         return 0;
172 }