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 "dir.h"
   9 #include "builtin.h"
  10 #include "parse-options.h"
  11
  12 static unsigned long garbage;
  13 static off_t size_garbage;
  14 static int verbose;
  15 static unsigned long loose, packed, packed_loose;
  16 static off_t loose_size;
  17
  18 static void real_report_garbage(const char *desc, const char *path)
  19 {
  20         struct stat st;
  21         if (!stat(path, &st))
  22                 size_garbage += st.st_size;
  23         warning("%s: %s", desc, path);
  24         garbage++;
  25 }
  26
  27 static void loose_garbage(const char *path)
  28 {
  29         if (verbose)
  30                 report_garbage("garbage found", path);
  31 }
  32
  33 static int count_loose(const unsigned char *sha1, const char *path, void *data)
  34 {
  35         struct stat st;
  36
  37         if (lstat(path, &st) || !S_ISREG(st.st_mode))
  38                 loose_garbage(path);
  39         else {
  40                 loose_size += on_disk_bytes(st);
  41                 loose++;
  42                 if (verbose && has_sha1_pack(sha1))
  43                         packed_loose++;
  44         }
  45         return 0;
  46 }
  47
  48 static int count_cruft(const char *basename, const char *path, void *data)
  49 {
  50         loose_garbage(path);
  51         return 0;
  52 }
  53
  54 static char const * const count_objects_usage[] = {
  55         N_("git count-objects [-v] [-H | --human-readable]"),
  56         NULL
  57 };
  58
  59 int cmd_count_objects(int argc, const char **argv, const char *prefix)
  60 {
  61         int human_readable = 0;
  62         struct option opts[] = {
  63                 OPT__VERBOSE(&verbose, N_("be verbose")),
  64                 OPT_BOOL('H', "human-readable", &human_readable,
  65                          N_("print sizes in human readable format")),
  66                 OPT_END(),
  67         };
  68
  69         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
  70         /* we do not take arguments other than flags for now */
  71         if (argc)
  72                 usage_with_options(count_objects_usage, opts);
  73         if (verbose)
  74                 report_garbage = real_report_garbage;
  75
  76         for_each_loose_file_in_objdir(get_object_directory(),
  77                                       count_loose, count_cruft, NULL, NULL);
  78
  79         if (verbose) {
  80                 struct packed_git *p;
  81                 unsigned long num_pack = 0;
  82                 off_t size_pack = 0;
  83                 struct strbuf loose_buf = STRBUF_INIT;
  84                 struct strbuf pack_buf = STRBUF_INIT;
  85                 struct strbuf garbage_buf = STRBUF_INIT;
  86                 if (!packed_git)
  87                         prepare_packed_git();
  88                 for (p = packed_git; p; p = p->next) {
  89                         if (!p->pack_local)
  90                                 continue;
  91                         if (open_pack_index(p))
  92                                 continue;
  93                         packed += p->num_objects;
  94                         size_pack += p->pack_size + p->index_size;
  95                         num_pack++;
  96                 }
  97
  98                 if (human_readable) {
  99                         strbuf_humanise_bytes(&loose_buf, loose_size);
 100                         strbuf_humanise_bytes(&pack_buf, size_pack);
 101                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
 102                 } else {
 103                         strbuf_addf(&loose_buf, "%lu",
 104                                     (unsigned long)(loose_size / 1024));
 105                         strbuf_addf(&pack_buf, "%lu",
 106                                     (unsigned long)(size_pack / 1024));
 107                         strbuf_addf(&garbage_buf, "%lu",
 108                                     (unsigned long)(size_garbage / 1024));
 109                 }
 110
 111                 printf("count: %lu\n", loose);
 112                 printf("size: %s\n", loose_buf.buf);
 113                 printf("in-pack: %lu\n", packed);
 114                 printf("packs: %lu\n", num_pack);
 115                 printf("size-pack: %s\n", pack_buf.buf);
 116                 printf("prune-packable: %lu\n", packed_loose);
 117                 printf("garbage: %lu\n", garbage);
 118                 printf("size-garbage: %s\n", garbage_buf.buf);
 119                 strbuf_release(&loose_buf);
 120                 strbuf_release(&pack_buf);
 121                 strbuf_release(&garbage_buf);
 122         } else {
 123                 struct strbuf buf = STRBUF_INIT;
 124                 if (human_readable)
 125                         strbuf_humanise_bytes(&buf, loose_size);
 126                 else
 127                         strbuf_addf(&buf, "%lu kilobytes",
 128                                     (unsigned long)(loose_size / 1024));
 129                 printf("%lu objects, %s\n", loose, buf.buf);
 130                 strbuf_release(&buf);
 131         }
 132         return 0;
 133 }