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_sha1_pack(oid->hash))
  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 alternate_object_database *alt, void *data)
  82 {
  83         printf("alternate: ");
  84         quote_c_style(alt->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                 if (!get_packed_git(the_repository))
 126                         prepare_packed_git(the_repository);
 127                 for (p = get_packed_git(the_repository); p; p = p->next) {
 128                         if (!p->pack_local)
 129                                 continue;
 130                         if (open_pack_index(p))
 131                                 continue;
 132                         packed += p->num_objects;
 133                         size_pack += p->pack_size + p->index_size;
 134                         num_pack++;
 135                 }
 136
 137                 if (human_readable) {
 138                         strbuf_humanise_bytes(&loose_buf, loose_size);
 139                         strbuf_humanise_bytes(&pack_buf, size_pack);
 140                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
 141                 } else {
 142                         strbuf_addf(&loose_buf, "%lu",
 143                                     (unsigned long)(loose_size / 1024));
 144                         strbuf_addf(&pack_buf, "%lu",
 145                                     (unsigned long)(size_pack / 1024));
 146                         strbuf_addf(&garbage_buf, "%lu",
 147                                     (unsigned long)(size_garbage / 1024));
 148                 }
 149
 150                 printf("count: %lu\n", loose);
 151                 printf("size: %s\n", loose_buf.buf);
 152                 printf("in-pack: %lu\n", packed);
 153                 printf("packs: %lu\n", num_pack);
 154                 printf("size-pack: %s\n", pack_buf.buf);
 155                 printf("prune-packable: %lu\n", packed_loose);
 156                 printf("garbage: %lu\n", garbage);
 157                 printf("size-garbage: %s\n", garbage_buf.buf);
 158                 foreach_alt_odb(print_alternate, NULL);
 159                 strbuf_release(&loose_buf);
 160                 strbuf_release(&pack_buf);
 161                 strbuf_release(&garbage_buf);
 162         } else {
 163                 struct strbuf buf = STRBUF_INIT;
 164                 if (human_readable)
 165                         strbuf_humanise_bytes(&buf, loose_size);
 166                 else
 167                         strbuf_addf(&buf, "%lu kilobytes",
 168                                     (unsigned long)(loose_size / 1024));
 169                 printf("%lu objects, %s\n", loose, buf.buf);
 170                 strbuf_release(&buf);
 171         }
 172         return 0;
 173 }