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