builtin/count-objects.c

   1 /*
   2  * Builtin "git count-objects".
   3  *
   4  * Copyright (c) 2006 Junio C Hamano
   5  */
   6 #define USE_THE_REPOSITORY_VARIABLE
   7 #include "builtin.h"
   8 #include "config.h"
   9 #include "dir.h"
  10 #include "gettext.h"
  11 #include "path.h"
  12 #include "parse-options.h"
  13 #include "quote.h"
  14 #include "packfile.h"
  15 #include "object-file.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,
  61                        void *data UNUSED)
  62 {
  63         struct stat st;
  64
  65         if (lstat(path, &st) || !S_ISREG(st.st_mode))
  66                 loose_garbage(path);
  67         else {
  68                 loose_size += on_disk_bytes(st);
  69                 loose++;
  70                 if (verbose && has_object_pack(the_repository, oid))
  71                         packed_loose++;
  72         }
  73         return 0;
  74 }
  75
  76 static int count_cruft(const char *basename UNUSED, const char *path,
  77                        void *data UNUSED)
  78 {
  79         loose_garbage(path);
  80         return 0;
  81 }
  82
  83 static int print_alternate(struct object_directory *odb, void *data UNUSED)
  84 {
  85         printf("alternate: ");
  86         quote_c_style(odb->path, NULL, stdout, 0);
  87         putchar('\n');
  88         return 0;
  89 }
  90
  91 static char const * const count_objects_usage[] = {
  92         "git count-objects [-v] [-H | --human-readable]",
  93         NULL
  94 };
  95
  96 int cmd_count_objects(int argc,
  97                       const char **argv,
  98                       const char *prefix,
  99                       struct repository *repo UNUSED)
 100 {
 101         int human_readable = 0;
 102         struct option opts[] = {
 103                 OPT__VERBOSE(&verbose, N_("be verbose")),
 104                 OPT_BOOL('H', "human-readable", &human_readable,
 105                          N_("print sizes in human readable format")),
 106                 OPT_END(),
 107         };
 108
 109         git_config(git_default_config, NULL);
 110
 111         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
 112         /* we do not take arguments other than flags for now */
 113         if (argc)
 114                 usage_with_options(count_objects_usage, opts);
 115         if (verbose) {
 116                 report_garbage = real_report_garbage;
 117                 report_linked_checkout_garbage(the_repository);
 118         }
 119
 120         for_each_loose_file_in_objdir(repo_get_object_directory(the_repository),
 121                                       count_loose, count_cruft, NULL, NULL);
 122
 123         if (verbose) {
 124                 struct packed_git *p;
 125                 unsigned long num_pack = 0;
 126                 off_t size_pack = 0;
 127                 struct strbuf loose_buf = STRBUF_INIT;
 128                 struct strbuf pack_buf = STRBUF_INIT;
 129                 struct strbuf garbage_buf = STRBUF_INIT;
 130
 131                 for (p = get_all_packs(the_repository); p; p = p->next) {
 132                         if (!p->pack_local)
 133                                 continue;
 134                         if (open_pack_index(p))
 135                                 continue;
 136                         packed += p->num_objects;
 137                         size_pack += p->pack_size + p->index_size;
 138                         num_pack++;
 139                 }
 140
 141                 if (human_readable) {
 142                         strbuf_humanise_bytes(&loose_buf, loose_size);
 143                         strbuf_humanise_bytes(&pack_buf, size_pack);
 144                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
 145                 } else {
 146                         strbuf_addf(&loose_buf, "%lu",
 147                                     (unsigned long)(loose_size / 1024));
 148                         strbuf_addf(&pack_buf, "%lu",
 149                                     (unsigned long)(size_pack / 1024));
 150                         strbuf_addf(&garbage_buf, "%lu",
 151                                     (unsigned long)(size_garbage / 1024));
 152                 }
 153
 154                 printf("count: %lu\n", loose);
 155                 printf("size: %s\n", loose_buf.buf);
 156                 printf("in-pack: %lu\n", packed);
 157                 printf("packs: %lu\n", num_pack);
 158                 printf("size-pack: %s\n", pack_buf.buf);
 159                 printf("prune-packable: %lu\n", packed_loose);
 160                 printf("garbage: %lu\n", garbage);
 161                 printf("size-garbage: %s\n", garbage_buf.buf);
 162                 foreach_alt_odb(print_alternate, NULL);
 163                 strbuf_release(&loose_buf);
 164                 strbuf_release(&pack_buf);
 165                 strbuf_release(&garbage_buf);
 166         } else {
 167                 struct strbuf buf = STRBUF_INIT;
 168                 if (human_readable)
 169                         strbuf_humanise_bytes(&buf, loose_size);
 170                 else
 171                         strbuf_addf(&buf, "%lu kilobytes",
 172                                     (unsigned long)(loose_size / 1024));
 173                 printf("%lu objects, %s\n", loose, buf.buf);
 174                 strbuf_release(&buf);
 175         }
 176         return 0;
 177 }