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 }