int
exec_clean(int argc, char **argv)
{
struct pkgdb *db = NULL;
struct pkgdb_it *it = NULL;
struct pkg *pkg = NULL;
struct pkg *p = NULL;
FTS *fts = NULL;
FTSENT *ent = NULL;
struct dl_head dl = STAILQ_HEAD_INITIALIZER(dl);
const char *cachedir;
char *paths[2];
char *repopath;
bool dry_run = false;
bool yes;
int retcode = EX_SOFTWARE;
int ret;
int ch;
pkg_config_bool(PKG_CONFIG_ASSUME_ALWAYS_YES, &yes);
while ((ch = getopt(argc, argv, "nqy")) != -1) {
switch (ch) {
case 'n':
dry_run = true;
break;
case 'q':
quiet = true;
break;
case 'y':
yes = true;
break;
default:
usage_clean();
return (EX_USAGE);
}
}
argc -= optind;
argv += optind;
if (pkg_config_string(PKG_CONFIG_CACHEDIR, &cachedir) != EPKG_OK) {
warnx("Cannot get cachedir config entry");
return 1;
}
paths[0] = __DECONST(char*, cachedir);
paths[1] = NULL;
if (pkgdb_open(&db, PKGDB_REMOTE) != EPKG_OK) {
goto cleanup;
}
if ((fts = fts_open(paths, FTS_PHYSICAL, NULL)) == NULL) {
warn("fts_open(%s)", cachedir);
goto cleanup;
}
/* Build the list of out-of-date or obsolete packages */
while ((ent = fts_read(fts)) != NULL) {
const char *origin, *pkgrepopath;
if (ent->fts_info != FTS_F)
continue;
repopath = ent->fts_path + strlen(cachedir);
if (repopath[0] == '/')
repopath++;
if (pkg_open(&pkg, ent->fts_path) != EPKG_OK) {
if (!quiet)
warnx("skipping %s", ent->fts_path);
continue;
}
pkg_get(pkg, PKG_ORIGIN, &origin);
it = pkgdb_search(db, origin, MATCH_EXACT, FIELD_ORIGIN,
FIELD_NONE, NULL);
if (it == NULL) {
if (!quiet)
warnx("skipping %s", ent->fts_path);
continue;
}
if ((ret = pkgdb_it_next(it, &p, PKG_LOAD_BASIC)) ==
EPKG_FATAL) {
if (!quiet)
warnx("skipping %s", ent->fts_path);
continue;
}
pkg_get(p, PKG_REPOPATH, &pkgrepopath);
if (ret == EPKG_END) {
ret = add_to_dellist(&dl, REMOVED, ent->fts_path,
origin, NULL, NULL);
} else if (strcmp(repopath, pkgrepopath)) {
const char *newname;
const char *newversion;
pkg_get(p,
PKG_NAME, &newname,
PKG_VERSION, &newversion);
ret = add_to_dellist(&dl, OUT_OF_DATE, ent->fts_path,
origin, newname, newversion);
} else {
char local_cksum[SHA256_DIGEST_LENGTH * 2 +1];
const char *cksum;
pkg_get(p, PKG_CKSUM, &cksum);
if (hash_file(ent->fts_path, local_cksum) == EPKG_OK) {
if (strcmp(cksum, local_cksum) != 0) {
ret = add_to_dellist(&dl, CKSUM_MISMATCH, ent->fts_path,
origin, NULL, NULL);
}
}
}
if (ret != EPKG_OK && ret != EPKG_END) {
retcode = EX_OSERR; /* out of memory */
goto cleanup;
}
pkgdb_it_free(it);
}
if (STAILQ_EMPTY(&dl)) {
if (!quiet)
printf("Nothing to do.\n");
retcode = EX_OK;
goto cleanup;
}
if (dry_run || !yes || !quiet)
display_dellist(&dl, cachedir);
if (!dry_run) {
if (!yes)
yes = query_yesno(
"\nProceed with cleaning cache [y/N]: ");
if (yes)
retcode = delete_dellist(&dl);
} else
retcode = EX_OK;
cleanup:
free_dellist(&dl);
pkg_free(pkg);
pkg_free(p);
if (fts != NULL)
fts_close(fts);
if (db != NULL)
pkgdb_close(db);
return (retcode);
}
int
exec_clean(int argc, char **argv)
{
struct pkgdb *db = NULL;
kh_sum_t *sumlist = NULL;
dl_list dl;
const char *cachedir;
bool all = false;
int retcode;
int ch;
int cachefd = -1;
size_t total = 0;
char size[8];
char *cksum;
struct pkg_manifest_key *keys = NULL;
#ifdef HAVE_CAPSICUM
cap_rights_t rights;
#endif
struct option longopts[] = {
{ "all", no_argument, NULL, 'a' },
{ "dry-run", no_argument, NULL, 'n' },
{ "quiet", no_argument, NULL, 'q' },
{ "yes", no_argument, NULL, 'y' },
{ NULL, 0, NULL, 0 },
};
while ((ch = getopt_long(argc, argv, "+anqy", longopts, NULL)) != -1) {
switch (ch) {
case 'a':
all = true;
break;
case 'n':
dry_run = true;
break;
case 'q':
quiet = true;
break;
case 'y':
yes = true;
break;
default:
usage_clean();
return (EX_USAGE);
}
}
argc -= optind;
argv += optind;
cachedir = pkg_object_string(pkg_config_get("PKG_CACHEDIR"));
cachefd = open(cachedir, O_DIRECTORY);
if (cachefd == -1) {
warn("Impossible to open %s", cachedir);
return (EX_IOERR);
}
retcode = pkgdb_access(PKGDB_MODE_READ, PKGDB_DB_REPO);
if (retcode == EPKG_ENOACCESS) {
warnx("Insufficient privileges to clean old packages");
close(cachefd);
return (EX_NOPERM);
} else if (retcode == EPKG_ENODB) {
warnx("No package database installed. Nothing to do!");
close(cachefd);
return (EX_OK);
} else if (retcode != EPKG_OK) {
warnx("Error accessing the package database");
close(cachefd);
return (EX_SOFTWARE);
}
retcode = EX_SOFTWARE;
if (pkgdb_open(&db, PKGDB_REMOTE) != EPKG_OK) {
close(cachefd);
return (EX_IOERR);
}
if (pkgdb_obtain_lock(db, PKGDB_LOCK_READONLY) != EPKG_OK) {
pkgdb_close(db);
close(cachefd);
warnx("Cannot get a read lock on a database, it is locked by "
"another process");
return (EX_TEMPFAIL);
}
#ifdef HAVE_CAPSICUM
cap_rights_init(&rights, CAP_READ, CAP_LOOKUP, CAP_FSTATFS,
CAP_FSTAT, CAP_UNLINKAT);
if (cap_rights_limit(cachefd, &rights) < 0 && errno != ENOSYS ) {
warn("cap_rights_limit() failed");
close(cachefd);
return (EX_SOFTWARE);
}
if (cap_enter() < 0 && errno != ENOSYS) {
warn("cap_enter() failed");
close(cachefd);
return (EX_SOFTWARE);
}
#endif
kv_init(dl);
/* Build the list of out-of-date or obsolete packages */
pkg_manifest_keys_new(&keys);
recursive_analysis(cachefd, db, cachedir, cachedir, &dl, &sumlist, all,
&total);
if (sumlist != NULL) {
kh_foreach_value(sumlist, cksum, free(cksum));
kh_destroy_sum(sumlist);
}
if (kv_size(dl) == 0) {
if (!quiet)
printf("Nothing to do.\n");
retcode = EX_OK;
goto cleanup;
}
humanize_number(size, sizeof(size), total, "B",
HN_AUTOSCALE, HN_IEC_PREFIXES);
if (!quiet)
printf("The cleanup will free %s\n", size);
if (!dry_run) {
if (query_yesno(false,
"\nProceed with cleaning the cache? ")) {
retcode = delete_dellist(cachefd, cachedir, &dl, kv_size(dl));
}
} else {
retcode = EX_OK;
}
cleanup:
pkgdb_release_lock(db, PKGDB_LOCK_READONLY);
pkgdb_close(db);
pkg_manifest_keys_free(keys);
free_dellist(&dl);
if (cachefd != -1)
close(cachefd);
return (retcode);
}
