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 #include "object-store.h"
  15
  16 static unsigned long garbage;
  17 static off_t size_garbage;
  18 static int verbose;
  19 static unsigned long loose, packed, packed_loose;
  20 static off_t loose_size;
  21
  22 static const char *bits_to_msg(unsigned seen_bits)
  23 {
  24         switch (seen_bits) {
  25         case 0:
  26                 return "no corresponding .idx or .pack";
  27         case PACKDIR_FILE_GARBAGE:
  28                 return "garbage found";
  29         case PACKDIR_FILE_PACK:
  30                 return "no corresponding .idx";
  31         case PACKDIR_FILE_IDX:
  32                 return "no corresponding .pack";
  33         case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
  34         default:
  35                 return NULL;
  36         }
  37 }
  38
  39 static void real_report_garbage(unsigned seen_bits, const char *path)
  40 {
  41         struct stat st;
  42         const char *desc = bits_to_msg(seen_bits);
  43
  44         if (!desc)
  45                 return;
  46
  47         if (!stat(path, &st))
  48                 size_garbage += st.st_size;
  49         warning("%s: %s", desc, path);
  50         garbage++;
  51 }
  52
  53 static void loose_garbage(const char *path)
  54 {
  55         if (verbose)
  56                 report_garbage(PACKDIR_FILE_GARBAGE, path);
  57 }
  58
  59 static int count_loose(const struct object_id *oid, const char *path, void *data)
  60 {
  61         struct stat st;
  62
  63         if (lstat(path, &st) || !S_ISREG(st.st_mode))
  64                 loose_garbage(path);
  65         else {
  66                 loose_size += on_disk_bytes(st);
  67                 loose++;
  68                 if (verbose && has_sha1_pack(oid->hash))
  69                         packed_loose++;
  70         }
  71         return 0;
  72 }
  73
  74 static int count_cruft(const char *basename, const char *path, void *data)
  75 {
  76         loose_garbage(path);
  77         return 0;
  78 }
  79
  80 static int print_alternate(struct alternate_object_database *alt, void *data)
  81 {
  82         printf("alternate: ");
  83         quote_c_style(alt->path, NULL, stdout, 0);
  84         putchar('\n');
  85         return 0;
  86 }
  87
  88 static char const * const count_objects_usage[] = {
  89         N_("git count-objects [-v] [-H | --human-readable]"),
  90         NULL
  91 };
  92
  93 int cmd_count_objects(int argc, const char **argv, const char *prefix)
  94 {
  95         int human_readable = 0;
  96         struct option opts[] = {
  97                 OPT__VERBOSE(&verbose, N_("be verbose")),
  98                 OPT_BOOL('H', "human-readable", &human_readable,
  99                          N_("print sizes in human readable format")),
 100                 OPT_END(),
 101         };
 102
 103         git_config(git_default_config, NULL);
 104
 105         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
 106         /* we do not take arguments other than flags for now */
 107         if (argc)
 108                 usage_with_options(count_objects_usage, opts);
 109         if (verbose) {
 110                 report_garbage = real_report_garbage;
 111                 report_linked_checkout_garbage();
 112         }
 113
 114         for_each_loose_file_in_objdir(get_object_directory(),
 115                                       count_loose, count_cruft, NULL, NULL);
 116
 117         if (verbose) {
 118                 struct packed_git *p;
 119                 unsigned long num_pack = 0;
 120                 off_t size_pack = 0;
 121                 struct strbuf loose_buf = STRBUF_INIT;
 122                 struct strbuf pack_buf = STRBUF_INIT;
 123                 struct strbuf garbage_buf = STRBUF_INIT;
 124                 if (!packed_git)
 125                         prepare_packed_git();
 126                 for (p = packed_git; 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 }