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#include "builtin.h"
#include "cache.h"
#include "progress.h"
#include "parse-options.h"
static const char * const prune_packed_usage[] = {
N_("git prune-packed [-n|--dry-run] [-q|--quiet]"),
NULL
};
static struct progress *progress;
static void prune_dir(int i, DIR *dir, struct strbuf *pathname, int opts)
{
struct dirent *de;
char hex[40];
int top_len = pathname->len;
sprintf(hex, "%02x", i);
while ((de = readdir(dir)) != NULL) {
unsigned char sha1[20];
if (strlen(de->d_name) != 38)
continue;
memcpy(hex + 2, de->d_name, 38);
if (get_sha1_hex(hex, sha1))
continue;
if (!has_sha1_pack(sha1))
continue;
strbuf_add(pathname, de->d_name, 38);
if (opts & PRUNE_PACKED_DRY_RUN)
printf("rm -f %s\n", pathname->buf);
else
unlink_or_warn(pathname->buf);
display_progress(progress, i + 1);
strbuf_setlen(pathname, top_len);
}
}
void prune_packed_objects(int opts)
{
int i;
const char *dir = get_object_directory();
struct strbuf pathname = STRBUF_INIT;
int top_len;
strbuf_addstr(&pathname, dir);
if (opts & PRUNE_PACKED_VERBOSE)
progress = start_progress_delay(_("Removing duplicate objects"),
256, 95, 2);
if (pathname.len && pathname.buf[pathname.len - 1] != '/')
strbuf_addch(&pathname, '/');
top_len = pathname.len;
for (i = 0; i < 256; i++) {
DIR *d;
display_progress(progress, i + 1);
strbuf_setlen(&pathname, top_len);
strbuf_addf(&pathname, "%02x/", i);
d = opendir(pathname.buf);
if (!d)
continue;
prune_dir(i, d, &pathname, opts);
closedir(d);
strbuf_setlen(&pathname, top_len + 2);
rmdir(pathname.buf);
}
stop_progress(&progress);
}
int cmd_prune_packed(int argc, const char **argv, const char *prefix)
{
int opts = isatty(2) ? PRUNE_PACKED_VERBOSE : 0;
const struct option prune_packed_options[] = {
OPT_BIT('n', "dry-run", &opts, N_("dry run"),
PRUNE_PACKED_DRY_RUN),
OPT_NEGBIT('q', "quiet", &opts, N_("be quiet"),
PRUNE_PACKED_VERBOSE),
OPT_END()
};
argc = parse_options(argc, argv, prefix, prune_packed_options,
prune_packed_usage, 0);
prune_packed_objects(opts);
return 0;
}
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