Revert "sequencer: remove useless get_dir() function"
[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 "dir.h"
9 #include "builtin.h"
10 #include "parse-options.h"
11 #include "quote.h"
12
13 static unsigned long garbage;
14 static off_t size_garbage;
15 static int verbose;
16 static unsigned long loose, packed, packed_loose;
17 static off_t loose_size;
18
19 static const char *bits_to_msg(unsigned seen_bits)
20 {
21         switch (seen_bits) {
22         case 0:
23                 return "no corresponding .idx or .pack";
24         case PACKDIR_FILE_GARBAGE:
25                 return "garbage found";
26         case PACKDIR_FILE_PACK:
27                 return "no corresponding .idx";
28         case PACKDIR_FILE_IDX:
29                 return "no corresponding .pack";
30         case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
31         default:
32                 return NULL;
33         }
34 }
35
36 static void real_report_garbage(unsigned seen_bits, const char *path)
37 {
38         struct stat st;
39         const char *desc = bits_to_msg(seen_bits);
40
41         if (!desc)
42                 return;
43
44         if (!stat(path, &st))
45                 size_garbage += st.st_size;
46         warning("%s: %s", desc, path);
47         garbage++;
48 }
49
50 static void loose_garbage(const char *path)
51 {
52         if (verbose)
53                 report_garbage(PACKDIR_FILE_GARBAGE, path);
54 }
55
56 static int count_loose(const unsigned char *sha1, const char *path, void *data)
57 {
58         struct stat st;
59
60         if (lstat(path, &st) || !S_ISREG(st.st_mode))
61                 loose_garbage(path);
62         else {
63                 loose_size += on_disk_bytes(st);
64                 loose++;
65                 if (verbose && has_sha1_pack(sha1))
66                         packed_loose++;
67         }
68         return 0;
69 }
70
71 static int count_cruft(const char *basename, const char *path, void *data)
72 {
73         loose_garbage(path);
74         return 0;
75 }
76
77 static int print_alternate(struct alternate_object_database *alt, void *data)
78 {
79         printf("alternate: ");
80         quote_c_style(alt->path, NULL, stdout, 0);
81         putchar('\n');
82         return 0;
83 }
84
85 static char const * const count_objects_usage[] = {
86         N_("git count-objects [-v] [-H | --human-readable]"),
87         NULL
88 };
89
90 int cmd_count_objects(int argc, const char **argv, const char *prefix)
91 {
92         int human_readable = 0;
93         struct option opts[] = {
94                 OPT__VERBOSE(&verbose, N_("be verbose")),
95                 OPT_BOOL('H', "human-readable", &human_readable,
96                          N_("print sizes in human readable format")),
97                 OPT_END(),
98         };
99
100         git_config(git_default_config, NULL);
101
102         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
103         /* we do not take arguments other than flags for now */
104         if (argc)
105                 usage_with_options(count_objects_usage, opts);
106         if (verbose) {
107                 report_garbage = real_report_garbage;
108                 report_linked_checkout_garbage();
109         }
110
111         for_each_loose_file_in_objdir(get_object_directory(),
112                                       count_loose, count_cruft, NULL, NULL);
113
114         if (verbose) {
115                 struct packed_git *p;
116                 unsigned long num_pack = 0;
117                 off_t size_pack = 0;
118                 struct strbuf loose_buf = STRBUF_INIT;
119                 struct strbuf pack_buf = STRBUF_INIT;
120                 struct strbuf garbage_buf = STRBUF_INIT;
121                 if (!packed_git)
122                         prepare_packed_git();
123                 for (p = packed_git; p; p = p->next) {
124                         if (!p->pack_local)
125                                 continue;
126                         if (open_pack_index(p))
127                                 continue;
128                         packed += p->num_objects;
129                         size_pack += p->pack_size + p->index_size;
130                         num_pack++;
131                 }
132
133                 if (human_readable) {
134                         strbuf_humanise_bytes(&loose_buf, loose_size);
135                         strbuf_humanise_bytes(&pack_buf, size_pack);
136                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
137                 } else {
138                         strbuf_addf(&loose_buf, "%lu",
139                                     (unsigned long)(loose_size / 1024));
140                         strbuf_addf(&pack_buf, "%lu",
141                                     (unsigned long)(size_pack / 1024));
142                         strbuf_addf(&garbage_buf, "%lu",
143                                     (unsigned long)(size_garbage / 1024));
144                 }
145
146                 printf("count: %lu\n", loose);
147                 printf("size: %s\n", loose_buf.buf);
148                 printf("in-pack: %lu\n", packed);
149                 printf("packs: %lu\n", num_pack);
150                 printf("size-pack: %s\n", pack_buf.buf);
151                 printf("prune-packable: %lu\n", packed_loose);
152                 printf("garbage: %lu\n", garbage);
153                 printf("size-garbage: %s\n", garbage_buf.buf);
154                 foreach_alt_odb(print_alternate, NULL);
155                 strbuf_release(&loose_buf);
156                 strbuf_release(&pack_buf);
157                 strbuf_release(&garbage_buf);
158         } else {
159                 struct strbuf buf = STRBUF_INIT;
160                 if (human_readable)
161                         strbuf_humanise_bytes(&buf, loose_size);
162                 else
163                         strbuf_addf(&buf, "%lu kilobytes",
164                                     (unsigned long)(loose_size / 1024));
165                 printf("%lu objects, %s\n", loose, buf.buf);
166                 strbuf_release(&buf);
167         }
168         return 0;
169 }