git/builtin/count-objects.c
Jeff King 4a1e693a30 count-objects: use for_each_loose_file_in_objdir
This drops our line count considerably, and should make
things more readable by keeping the counting logic separate
from the traversal.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-16 10:10:41 -07:00

134 lines
3.3 KiB
C

/*
* 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;
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;
}