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 "path.h"
  13 #include "repository.h"
  14 #include "parse-options.h"
  15 #include "quote.h"
  16 #include "packfile.h"
  17 #include "object-store-ll.h"
  18
  19 static unsigned long garbage;
  20 static off_t size_garbage;
  21 static int verbose;
  22 static unsigned long loose, packed, packed_loose;
  23 static off_t loose_size;
  24
  25 static const char *bits_to_msg(unsigned seen_bits)
  26 {
  27         switch (seen_bits) {
  28         case 0:
  29                 return "no corresponding .idx or .pack";
  30         case PACKDIR_FILE_GARBAGE:
  31                 return "garbage found";
  32         case PACKDIR_FILE_PACK:
  33                 return "no corresponding .idx";
  34         case PACKDIR_FILE_IDX:
  35                 return "no corresponding .pack";
  36         case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
  37         default:
  38                 return NULL;
  39         }
  40 }
  41
  42 static void real_report_garbage(unsigned seen_bits, const char *path)
  43 {
  44         struct stat st;
  45         const char *desc = bits_to_msg(seen_bits);
  46
  47         if (!desc)
  48                 return;
  49
  50         if (!stat(path, &st))
  51                 size_garbage += st.st_size;
  52         warning("%s: %s", desc, path);
  53         garbage++;
  54 }
  55
  56 static void loose_garbage(const char *path)
  57 {
  58         if (verbose)
  59                 report_garbage(PACKDIR_FILE_GARBAGE, path);
  60 }
  61
  62 static int count_loose(const struct object_id *oid, const char *path,
  63                        void *data UNUSED)
  64 {
  65         struct stat st;
  66
  67         if (lstat(path, &st) || !S_ISREG(st.st_mode))
  68                 loose_garbage(path);
  69         else {
  70                 loose_size += on_disk_bytes(st);
  71                 loose++;
  72                 if (verbose && has_object_pack(oid))
  73                         packed_loose++;
  74         }
  75         return 0;
  76 }
  77
  78 static int count_cruft(const char *basename UNUSED, const char *path,
  79                        void *data UNUSED)
  80 {
  81         loose_garbage(path);
  82         return 0;
  83 }
  84
  85 static int print_alternate(struct object_directory *odb, void *data UNUSED)
  86 {
  87         printf("alternate: ");
  88         quote_c_style(odb->path, NULL, stdout, 0);
  89         putchar('\n');
  90         return 0;
  91 }
  92
  93 static char const * const count_objects_usage[] = {
  94         "git count-objects [-v] [-H | --human-readable]",
  95         NULL
  96 };
  97
  98 int cmd_count_objects(int argc, const char **argv, const char *prefix)
  99 {
 100         int human_readable = 0;
 101         struct option opts[] = {
 102                 OPT__VERBOSE(&verbose, N_("be verbose")),
 103                 OPT_BOOL('H', "human-readable", &human_readable,
 104                          N_("print sizes in human readable format")),
 105                 OPT_END(),
 106         };
 107
 108         git_config(git_default_config, NULL);
 109
 110         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
 111         /* we do not take arguments other than flags for now */
 112         if (argc)
 113                 usage_with_options(count_objects_usage, opts);
 114         if (verbose) {
 115                 report_garbage = real_report_garbage;
 116                 report_linked_checkout_garbage();
 117         }
 118
 119         for_each_loose_file_in_objdir(get_object_directory(),
 120                                       count_loose, count_cruft, NULL, NULL);
 121
 122         if (verbose) {
 123                 struct packed_git *p;
 124                 unsigned long num_pack = 0;
 125                 off_t size_pack = 0;
 126                 struct strbuf loose_buf = STRBUF_INIT;
 127                 struct strbuf pack_buf = STRBUF_INIT;
 128                 struct strbuf garbage_buf = STRBUF_INIT;
 129
 130                 for (p = get_all_packs(the_repository); p; p = p->next) {
 131                         if (!p->pack_local)
 132                                 continue;
 133                         if (open_pack_index(p))
 134                                 continue;
 135                         packed += p->num_objects;
 136                         size_pack += p->pack_size + p->index_size;
 137                         num_pack++;
 138                 }
 139
 140                 if (human_readable) {
 141                         strbuf_humanise_bytes(&loose_buf, loose_size);
 142                         strbuf_humanise_bytes(&pack_buf, size_pack);
 143                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
 144                 } else {
 145                         strbuf_addf(&loose_buf, "%lu",
 146                                     (unsigned long)(loose_size / 1024));
 147                         strbuf_addf(&pack_buf, "%lu",
 148                                     (unsigned long)(size_pack / 1024));
 149                         strbuf_addf(&garbage_buf, "%lu",
 150                                     (unsigned long)(size_garbage / 1024));
 151                 }
 152
 153                 printf("count: %lu\n", loose);
 154                 printf("size: %s\n", loose_buf.buf);
 155                 printf("in-pack: %lu\n", packed);
 156                 printf("packs: %lu\n", num_pack);
 157                 printf("size-pack: %s\n", pack_buf.buf);
 158                 printf("prune-packable: %lu\n", packed_loose);
 159                 printf("garbage: %lu\n", garbage);
 160                 printf("size-garbage: %s\n", garbage_buf.buf);
 161                 foreach_alt_odb(print_alternate, NULL);
 162                 strbuf_release(&loose_buf);
 163                 strbuf_release(&pack_buf);
 164                 strbuf_release(&garbage_buf);
 165         } else {
 166                 struct strbuf buf = STRBUF_INIT;
 167                 if (human_readable)
 168                         strbuf_humanise_bytes(&buf, loose_size);
 169                 else
 170                         strbuf_addf(&buf, "%lu kilobytes",
 171                                     (unsigned long)(loose_size / 1024));
 172                 printf("%lu objects, %s\n", loose, buf.buf);
 173                 strbuf_release(&buf);
 174         }
 175         return 0;
 176 }