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 "builtin.h"
  11#include "parse-options.h"
  12#include "quote.h"
  13#include "packfile.h"
  14
  15static unsigned long garbage;
  16static off_t size_garbage;
  17static int verbose;
  18static unsigned long loose, packed, packed_loose;
  19static off_t loose_size;
  20
  21static const char *bits_to_msg(unsigned seen_bits)
  22{
  23        switch (seen_bits) {
  24        case 0:
  25                return "no corresponding .idx or .pack";
  26        case PACKDIR_FILE_GARBAGE:
  27                return "garbage found";
  28        case PACKDIR_FILE_PACK:
  29                return "no corresponding .idx";
  30        case PACKDIR_FILE_IDX:
  31                return "no corresponding .pack";
  32        case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
  33        default:
  34                return NULL;
  35        }
  36}
  37
  38static void real_report_garbage(unsigned seen_bits, const char *path)
  39{
  40        struct stat st;
  41        const char *desc = bits_to_msg(seen_bits);
  42
  43        if (!desc)
  44                return;
  45
  46        if (!stat(path, &st))
  47                size_garbage += st.st_size;
  48        warning("%s: %s", desc, path);
  49        garbage++;
  50}
  51
  52static void loose_garbage(const char *path)
  53{
  54        if (verbose)
  55                report_garbage(PACKDIR_FILE_GARBAGE, path);
  56}
  57
  58static int count_loose(const struct object_id *oid, const char *path, void *data)
  59{
  60        struct stat st;
  61
  62        if (lstat(path, &st) || !S_ISREG(st.st_mode))
  63                loose_garbage(path);
  64        else {
  65                loose_size += on_disk_bytes(st);
  66                loose++;
  67                if (verbose && has_sha1_pack(oid->hash))
  68                        packed_loose++;
  69        }
  70        return 0;
  71}
  72
  73static int count_cruft(const char *basename, const char *path, void *data)
  74{
  75        loose_garbage(path);
  76        return 0;
  77}
  78
  79static int print_alternate(struct alternate_object_database *alt, void *data)
  80{
  81        printf("alternate: ");
  82        quote_c_style(alt->path, NULL, stdout, 0);
  83        putchar('\n');
  84        return 0;
  85}
  86
  87static char const * const count_objects_usage[] = {
  88        N_("git count-objects [-v] [-H | --human-readable]"),
  89        NULL
  90};
  91
  92int cmd_count_objects(int argc, const char **argv, const char *prefix)
  93{
  94        int human_readable = 0;
  95        struct option opts[] = {
  96                OPT__VERBOSE(&verbose, N_("be verbose")),
  97                OPT_BOOL('H', "human-readable", &human_readable,
  98                         N_("print sizes in human readable format")),
  99                OPT_END(),
 100        };
 101
 102        git_config(git_default_config, NULL);
 103
 104        argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
 105        /* we do not take arguments other than flags for now */
 106        if (argc)
 107                usage_with_options(count_objects_usage, opts);
 108        if (verbose) {
 109                report_garbage = real_report_garbage;
 110                report_linked_checkout_garbage();
 111        }
 112
 113        for_each_loose_file_in_objdir(get_object_directory(),
 114                                      count_loose, count_cruft, NULL, NULL);
 115
 116        if (verbose) {
 117                struct packed_git *p;
 118                unsigned long num_pack = 0;
 119                off_t size_pack = 0;
 120                struct strbuf loose_buf = STRBUF_INIT;
 121                struct strbuf pack_buf = STRBUF_INIT;
 122                struct strbuf garbage_buf = STRBUF_INIT;
 123                if (!packed_git)
 124                        prepare_packed_git();
 125                for (p = packed_git; p; p = p->next) {
 126                        if (!p->pack_local)
 127                                continue;
 128                        if (open_pack_index(p))
 129                                continue;
 130                        packed += p->num_objects;
 131                        size_pack += p->pack_size + p->index_size;
 132                        num_pack++;
 133                }
 134
 135                if (human_readable) {
 136                        strbuf_humanise_bytes(&loose_buf, loose_size);
 137                        strbuf_humanise_bytes(&pack_buf, size_pack);
 138                        strbuf_humanise_bytes(&garbage_buf, size_garbage);
 139                } else {
 140                        strbuf_addf(&loose_buf, "%lu",
 141                                    (unsigned long)(loose_size / 1024));
 142                        strbuf_addf(&pack_buf, "%lu",
 143                                    (unsigned long)(size_pack / 1024));
 144                        strbuf_addf(&garbage_buf, "%lu",
 145                                    (unsigned long)(size_garbage / 1024));
 146                }
 147
 148                printf("count: %lu\n", loose);
 149                printf("size: %s\n", loose_buf.buf);
 150                printf("in-pack: %lu\n", packed);
 151                printf("packs: %lu\n", num_pack);
 152                printf("size-pack: %s\n", pack_buf.buf);
 153                printf("prune-packable: %lu\n", packed_loose);
 154                printf("garbage: %lu\n", garbage);
 155                printf("size-garbage: %s\n", garbage_buf.buf);
 156                foreach_alt_odb(print_alternate, NULL);
 157                strbuf_release(&loose_buf);
 158                strbuf_release(&pack_buf);
 159                strbuf_release(&garbage_buf);
 160        } else {
 161                struct strbuf buf = STRBUF_INIT;
 162                if (human_readable)
 163                        strbuf_humanise_bytes(&buf, loose_size);
 164                else
 165                        strbuf_addf(&buf, "%lu kilobytes",
 166                                    (unsigned long)(loose_size / 1024));
 167                printf("%lu objects, %s\n", loose, buf.buf);
 168                strbuf_release(&buf);
 169        }
 170        return 0;
 171}