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 struct object_id *oid, 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(oid->hash))
  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 }