builtin/count-objects.c

   1 /*
   2  * Builtin "git count-objects".
   3  *
   4  * Copyright (c) 2006 Junio C Hamano
   5  */
   6
   7 #include "builtin.h"
   8 #include "config.h"
   9 #include "dir.h"
  10 #include "environment.h"
  11 #include "gettext.h"
  12 #include "repository.h"
  13 #include "parse-options.h"
  14 #include "quote.h"
  15 #include "packfile.h"
  16 #include "object-store.h"
  17
  18 static unsigned long garbage;
  19 static off_t size_garbage;
  20 static int verbose;
  21 static unsigned long loose, packed, packed_loose;
  22 static off_t loose_size;
  23
  24 static const char *bits_to_msg(unsigned seen_bits)
  25 {
  26         switch (seen_bits) {
  27         case 0:
  28                 return "no corresponding .idx or .pack";
  29         case PACKDIR_FILE_GARBAGE:
  30                 return "garbage found";
  31         case PACKDIR_FILE_PACK:
  32                 return "no corresponding .idx";
  33         case PACKDIR_FILE_IDX:
  34                 return "no corresponding .pack";
  35         case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
  36         default:
  37                 return NULL;
  38         }
  39 }
  40
  41 static void real_report_garbage(unsigned seen_bits, const char *path)
  42 {
  43         struct stat st;
  44         const char *desc = bits_to_msg(seen_bits);
  45
  46         if (!desc)
  47                 return;
  48
  49         if (!stat(path, &st))
  50                 size_garbage += st.st_size;
  51         warning("%s: %s", desc, path);
  52         garbage++;
  53 }
  54
  55 static void loose_garbage(const char *path)
  56 {
  57         if (verbose)
  58                 report_garbage(PACKDIR_FILE_GARBAGE, path);
  59 }
  60
  61 static int count_loose(const struct object_id *oid, const char *path,
  62                        void *data UNUSED)
  63 {
  64         struct stat st;
  65
  66         if (lstat(path, &st) || !S_ISREG(st.st_mode))
  67                 loose_garbage(path);
  68         else {
  69                 loose_size += on_disk_bytes(st);
  70                 loose++;
  71                 if (verbose && has_object_pack(oid))
  72                         packed_loose++;
  73         }
  74         return 0;
  75 }
  76
  77 static int count_cruft(const char *basename UNUSED, const char *path,
  78                        void *data UNUSED)
  79 {
  80         loose_garbage(path);
  81         return 0;
  82 }
  83
  84 static int print_alternate(struct object_directory *odb, void *data)
  85 {
  86         printf("alternate: ");
  87         quote_c_style(odb->path, NULL, stdout, 0);
  88         putchar('\n');
  89         return 0;
  90 }
  91
  92 static char const * const count_objects_usage[] = {
  93         "git count-objects [-v] [-H | --human-readable]",
  94         NULL
  95 };
  96
  97 int cmd_count_objects(int argc, const char **argv, const char *prefix)
  98 {
  99         int human_readable = 0;
 100         struct option opts[] = {
 101                 OPT__VERBOSE(&verbose, N_("be verbose")),
 102                 OPT_BOOL('H', "human-readable", &human_readable,
 103                          N_("print sizes in human readable format")),
 104                 OPT_END(),
 105         };
 106
 107         git_config(git_default_config, NULL);
 108
 109         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
 110         /* we do not take arguments other than flags for now */
 111         if (argc)
 112                 usage_with_options(count_objects_usage, opts);
 113         if (verbose) {
 114                 report_garbage = real_report_garbage;
 115                 report_linked_checkout_garbage();
 116         }
 117
 118         for_each_loose_file_in_objdir(get_object_directory(),
 119                                       count_loose, count_cruft, NULL, NULL);
 120
 121         if (verbose) {
 122                 struct packed_git *p;
 123                 unsigned long num_pack = 0;
 124                 off_t size_pack = 0;
 125                 struct strbuf loose_buf = STRBUF_INIT;
 126                 struct strbuf pack_buf = STRBUF_INIT;
 127                 struct strbuf garbage_buf = STRBUF_INIT;
 128
 129                 for (p = get_all_packs(the_repository); p; p = p->next) {
 130                         if (!p->pack_local)
 131                                 continue;
 132                         if (open_pack_index(p))
 133                                 continue;
 134                         packed += p->num_objects;
 135                         size_pack += p->pack_size + p->index_size;
 136                         num_pack++;
 137                 }
 138
 139                 if (human_readable) {
 140                         strbuf_humanise_bytes(&loose_buf, loose_size);
 141                         strbuf_humanise_bytes(&pack_buf, size_pack);
 142                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
 143                 } else {
 144                         strbuf_addf(&loose_buf, "%lu",
 145                                     (unsigned long)(loose_size / 1024));
 146                         strbuf_addf(&pack_buf, "%lu",
 147                                     (unsigned long)(size_pack / 1024));
 148                         strbuf_addf(&garbage_buf, "%lu",
 149                                     (unsigned long)(size_garbage / 1024));
 150                 }
 151
 152                 printf("count: %lu\n", loose);
 153                 printf("size: %s\n", loose_buf.buf);
 154                 printf("in-pack: %lu\n", packed);
 155                 printf("packs: %lu\n", num_pack);
 156                 printf("size-pack: %s\n", pack_buf.buf);
 157                 printf("prune-packable: %lu\n", packed_loose);
 158                 printf("garbage: %lu\n", garbage);
 159                 printf("size-garbage: %s\n", garbage_buf.buf);
 160                 foreach_alt_odb(print_alternate, NULL);
 161                 strbuf_release(&loose_buf);
 162                 strbuf_release(&pack_buf);
 163                 strbuf_release(&garbage_buf);
 164         } else {
 165                 struct strbuf buf = STRBUF_INIT;
 166                 if (human_readable)
 167                         strbuf_humanise_bytes(&buf, loose_size);
 168                 else
 169                         strbuf_addf(&buf, "%lu kilobytes",
 170                                     (unsigned long)(loose_size / 1024));
 171                 printf("%lu objects, %s\n", loose, buf.buf);
 172                 strbuf_release(&buf);
 173         }
 174         return 0;
 175 }