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 "dir.h"
   9#include "builtin.h"
  10#include "parse-options.h"
  11#include "quote.h"
  12
  13static unsigned long garbage;
  14static off_t size_garbage;
  15static int verbose;
  16static unsigned long loose, packed, packed_loose;
  17static off_t loose_size;
  18
  19static const char *bits_to_msg(unsigned seen_bits)
  20{
  21        switch (seen_bits) {
  22        case 0:
  23                return "no corresponding .idx or .pack";
  24        case PACKDIR_FILE_GARBAGE:
  25                return "garbage found";
  26        case PACKDIR_FILE_PACK:
  27                return "no corresponding .idx";
  28        case PACKDIR_FILE_IDX:
  29                return "no corresponding .pack";
  30        case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
  31        default:
  32                return NULL;
  33        }
  34}
  35
  36static void real_report_garbage(unsigned seen_bits, const char *path)
  37{
  38        struct stat st;
  39        const char *desc = bits_to_msg(seen_bits);
  40
  41        if (!desc)
  42                return;
  43
  44        if (!stat(path, &st))
  45                size_garbage += st.st_size;
  46        warning("%s: %s", desc, path);
  47        garbage++;
  48}
  49
  50static void loose_garbage(const char *path)
  51{
  52        if (verbose)
  53                report_garbage(PACKDIR_FILE_GARBAGE, path);
  54}
  55
  56static int count_loose(const unsigned char *sha1, const char *path, void *data)
  57{
  58        struct stat st;
  59
  60        if (lstat(path, &st) || !S_ISREG(st.st_mode))
  61                loose_garbage(path);
  62        else {
  63                loose_size += on_disk_bytes(st);
  64                loose++;
  65                if (verbose && has_sha1_pack(sha1))
  66                        packed_loose++;
  67        }
  68        return 0;
  69}
  70
  71static int count_cruft(const char *basename, const char *path, void *data)
  72{
  73        loose_garbage(path);
  74        return 0;
  75}
  76
  77static int print_alternate(struct alternate_object_database *alt, void *data)
  78{
  79        printf("alternate: ");
  80        quote_c_style(alt->path, NULL, stdout, 0);
  81        putchar('\n');
  82        return 0;
  83}
  84
  85static char const * const count_objects_usage[] = {
  86        N_("git count-objects [-v] [-H | --human-readable]"),
  87        NULL
  88};
  89
  90int cmd_count_objects(int argc, const char **argv, const char *prefix)
  91{
  92        int human_readable = 0;
  93        struct option opts[] = {
  94                OPT__VERBOSE(&verbose, N_("be verbose")),
  95                OPT_BOOL('H', "human-readable", &human_readable,
  96                         N_("print sizes in human readable format")),
  97                OPT_END(),
  98        };
  99
 100        git_config(git_default_config, NULL);
 101
 102        argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
 103        /* we do not take arguments other than flags for now */
 104        if (argc)
 105                usage_with_options(count_objects_usage, opts);
 106        if (verbose) {
 107                report_garbage = real_report_garbage;
 108                report_linked_checkout_garbage();
 109        }
 110
 111        for_each_loose_file_in_objdir(get_object_directory(),
 112                                      count_loose, count_cruft, NULL, NULL);
 113
 114        if (verbose) {
 115                struct packed_git *p;
 116                unsigned long num_pack = 0;
 117                off_t size_pack = 0;
 118                struct strbuf loose_buf = STRBUF_INIT;
 119                struct strbuf pack_buf = STRBUF_INIT;
 120                struct strbuf garbage_buf = STRBUF_INIT;
 121                if (!packed_git)
 122                        prepare_packed_git();
 123                for (p = packed_git; p; p = p->next) {
 124                        if (!p->pack_local)
 125                                continue;
 126                        if (open_pack_index(p))
 127                                continue;
 128                        packed += p->num_objects;
 129                        size_pack += p->pack_size + p->index_size;
 130                        num_pack++;
 131                }
 132
 133                if (human_readable) {
 134                        strbuf_humanise_bytes(&loose_buf, loose_size);
 135                        strbuf_humanise_bytes(&pack_buf, size_pack);
 136                        strbuf_humanise_bytes(&garbage_buf, size_garbage);
 137                } else {
 138                        strbuf_addf(&loose_buf, "%lu",
 139                                    (unsigned long)(loose_size / 1024));
 140                        strbuf_addf(&pack_buf, "%lu",
 141                                    (unsigned long)(size_pack / 1024));
 142                        strbuf_addf(&garbage_buf, "%lu",
 143                                    (unsigned long)(size_garbage / 1024));
 144                }
 145
 146                printf("count: %lu\n", loose);
 147                printf("size: %s\n", loose_buf.buf);
 148                printf("in-pack: %lu\n", packed);
 149                printf("packs: %lu\n", num_pack);
 150                printf("size-pack: %s\n", pack_buf.buf);
 151                printf("prune-packable: %lu\n", packed_loose);
 152                printf("garbage: %lu\n", garbage);
 153                printf("size-garbage: %s\n", garbage_buf.buf);
 154                foreach_alt_odb(print_alternate, NULL);
 155                strbuf_release(&loose_buf);
 156                strbuf_release(&pack_buf);
 157                strbuf_release(&garbage_buf);
 158        } else {
 159                struct strbuf buf = STRBUF_INIT;
 160                if (human_readable)
 161                        strbuf_humanise_bytes(&buf, loose_size);
 162                else
 163                        strbuf_addf(&buf, "%lu kilobytes",
 164                                    (unsigned long)(loose_size / 1024));
 165                printf("%lu objects, %s\n", loose, buf.buf);
 166                strbuf_release(&buf);
 167        }
 168        return 0;
 169}