Andrew's git - gitweb.git/blob - 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
  17static unsigned long garbage;
  18static off_t size_garbage;
  19static int verbose;
  20static unsigned long loose, packed, packed_loose;
  21static off_t loose_size;
  22
  23static 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
  40static 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
  54static void loose_garbage(const char *path)
  55{
  56        if (verbose)
  57                report_garbage(PACKDIR_FILE_GARBAGE, path);
  58}
  59
  60static 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_object_pack(oid))
  70                        packed_loose++;
  71        }
  72        return 0;
  73}
  74
  75static int count_cruft(const char *basename, const char *path, void *data)
  76{
  77        loose_garbage(path);
  78        return 0;
  79}
  80
  81static int print_alternate(struct object_directory *odb, void *data)
  82{
  83        printf("alternate: ");
  84        quote_c_style(odb->path, NULL, stdout, 0);
  85        putchar('\n');
  86        return 0;
  87}
  88
  89static char const * const count_objects_usage[] = {
  90        N_("git count-objects [-v] [-H | --human-readable]"),
  91        NULL
  92};
  93
  94int 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
 126                for (p = get_all_packs(the_repository); p; p = p->next) {
 127                        if (!p->pack_local)
 128                                continue;
 129                        if (open_pack_index(p))
 130                                continue;
 131                        packed += p->num_objects;
 132                        size_pack += p->pack_size + p->index_size;
 133                        num_pack++;
 134                }
 135
 136                if (human_readable) {
 137                        strbuf_humanise_bytes(&loose_buf, loose_size);
 138                        strbuf_humanise_bytes(&pack_buf, size_pack);
 139                        strbuf_humanise_bytes(&garbage_buf, size_garbage);
 140                } else {
 141                        strbuf_addf(&loose_buf, "%lu",
 142                                    (unsigned long)(loose_size / 1024));
 143                        strbuf_addf(&pack_buf, "%lu",
 144                                    (unsigned long)(size_pack / 1024));
 145                        strbuf_addf(&garbage_buf, "%lu",
 146                                    (unsigned long)(size_garbage / 1024));
 147                }
 148
 149                printf("count: %lu\n", loose);
 150                printf("size: %s\n", loose_buf.buf);
 151                printf("in-pack: %lu\n", packed);
 152                printf("packs: %lu\n", num_pack);
 153                printf("size-pack: %s\n", pack_buf.buf);
 154                printf("prune-packable: %lu\n", packed_loose);
 155                printf("garbage: %lu\n", garbage);
 156                printf("size-garbage: %s\n", garbage_buf.buf);
 157                foreach_alt_odb(print_alternate, NULL);
 158                strbuf_release(&loose_buf);
 159                strbuf_release(&pack_buf);
 160                strbuf_release(&garbage_buf);
 161        } else {
 162                struct strbuf buf = STRBUF_INIT;
 163                if (human_readable)
 164                        strbuf_humanise_bytes(&buf, loose_size);
 165                else
 166                        strbuf_addf(&buf, "%lu kilobytes",
 167                                    (unsigned long)(loose_size / 1024));
 168                printf("%lu objects, %s\n", loose, buf.buf);
 169                strbuf_release(&buf);
 170        }
 171        return 0;
 172}