root/builtin/count-objects.c

DEFINITIONS

1. real_report_garbage
2. loose_garbage
3. count_loose
4. count_cruft
5. cmd_count_objects

/*
 * Builtin "git count-objects".
 *
 * Copyright (c) 2006 Junio C Hamano
 */

#include "cache.h"
#include "dir.h"
#include "builtin.h"
#include "parse-options.h"

static unsigned long garbage;
static off_t size_garbage;
static int verbose;
static unsigned long loose, packed, packed_loose;
static off_t loose_size;

static void real_report_garbage(const char *desc, const char *path)
{
        struct stat st;
        if (!stat(path, &st))
                size_garbage += st.st_size;
        warning("%s: %s", desc, path);
        garbage++;
}

static void loose_garbage(const char *path)
{
        if (verbose)
                report_garbage("garbage found", path);
}

static int count_loose(const unsigned char *sha1, const char *path, void *data)
{
        struct stat st;

        if (lstat(path, &st) || !S_ISREG(st.st_mode))
                loose_garbage(path);
        else {
                loose_size += on_disk_bytes(st);
                loose++;
                if (verbose && has_sha1_pack(sha1))
                        packed_loose++;
        }
        return 0;
}

static int count_cruft(const char *basename, const char *path, void *data)
{
        loose_garbage(path);
        return 0;
}

static char const * const count_objects_usage[] = {
        N_("git count-objects [-v] [-H | --human-readable]"),
        NULL
};

int cmd_count_objects(int argc, const char **argv, const char *prefix)
{
        int human_readable = 0;
        struct option opts[] = {
                OPT__VERBOSE(&verbose, N_("be verbose")),
                OPT_BOOL('H', "human-readable", &human_readable,
                         N_("print sizes in human readable format")),
                OPT_END(),
        };

        argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
        /* we do not take arguments other than flags for now */
        if (argc)
                usage_with_options(count_objects_usage, opts);
        if (verbose) {
                report_garbage = real_report_garbage;
                report_linked_checkout_garbage();
        }

        for_each_loose_file_in_objdir(get_object_directory(),
                                      count_loose, count_cruft, NULL, NULL);

        if (verbose) {
                struct packed_git *p;
                unsigned long num_pack = 0;
                off_t size_pack = 0;
                struct strbuf loose_buf = STRBUF_INIT;
                struct strbuf pack_buf = STRBUF_INIT;
                struct strbuf garbage_buf = STRBUF_INIT;
                if (!packed_git)
                        prepare_packed_git();
                for (p = packed_git; p; p = p->next) {
                        if (!p->pack_local)
                                continue;
                        if (open_pack_index(p))
                                continue;
                        packed += p->num_objects;
                        size_pack += p->pack_size + p->index_size;
                        num_pack++;
                }

                if (human_readable) {
                        strbuf_humanise_bytes(&loose_buf, loose_size);
                        strbuf_humanise_bytes(&pack_buf, size_pack);
                        strbuf_humanise_bytes(&garbage_buf, size_garbage);
                } else {
                        strbuf_addf(&loose_buf, "%lu",
                                    (unsigned long)(loose_size / 1024));
                        strbuf_addf(&pack_buf, "%lu",
                                    (unsigned long)(size_pack / 1024));
                        strbuf_addf(&garbage_buf, "%lu",
                                    (unsigned long)(size_garbage / 1024));
                }

                printf("count: %lu\n", loose);
                printf("size: %s\n", loose_buf.buf);
                printf("in-pack: %lu\n", packed);
                printf("packs: %lu\n", num_pack);
                printf("size-pack: %s\n", pack_buf.buf);
                printf("prune-packable: %lu\n", packed_loose);
                printf("garbage: %lu\n", garbage);
                printf("size-garbage: %s\n", garbage_buf.buf);
                strbuf_release(&loose_buf);
                strbuf_release(&pack_buf);
                strbuf_release(&garbage_buf);
        } else {
                struct strbuf buf = STRBUF_INIT;
                if (human_readable)
                        strbuf_humanise_bytes(&buf, loose_size);
                else
                        strbuf_addf(&buf, "%lu kilobytes",
                                    (unsigned long)(loose_size / 1024));
                printf("%lu objects, %s\n", loose, buf.buf);
                strbuf_release(&buf);
        }
        return 0;
}