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-rw-r--r--src/util/cleanupdelta.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/util/cleanupdelta.c b/src/util/cleanupdelta.c
new file mode 100644
index 00000000..4b9ddd79
--- /dev/null
+++ b/src/util/cleanupdelta.c
@@ -0,0 +1,134 @@
+/*
+ * cleanupdelta.c : return list of unused delta in a given sync database
+ *
+ * Copyright (c) 2009 Pacman Development Team <pacman-dev@archlinux.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h> /* PATH_MAX */
+
+#include <alpm.h>
+#include <alpm_list.h>
+
+#define BASENAME "cleanupdelta"
+
+static void cleanup(int signum) {
+ if(alpm_release() == -1) {
+ fprintf(stderr, "error releasing alpm: %s\n", alpm_strerrorlast());
+ }
+
+ exit(signum);
+}
+
+void output_cb(pmloglevel_t level, char *fmt, va_list args)
+{
+ if(strlen(fmt)) {
+ switch(level) {
+ case PM_LOG_ERROR: printf("error: "); break;
+ case PM_LOG_WARNING: printf("warning: "); break;
+ //case PM_LOG_DEBUG: printf("debug: "); break;
+ default: return;
+ }
+ vprintf(fmt, args);
+ }
+}
+
+
+void checkpkgs(alpm_list_t *pkglist)
+{
+ alpm_list_t *i, *j;
+ for(i = pkglist; i; i = alpm_list_next(i)) {
+ pmpkg_t *pkg = alpm_list_getdata(i);
+ alpm_list_t *unused = alpm_pkg_unused_deltas(pkg);
+ for(j = unused; j; j = alpm_list_next(j)) {
+ char *delta = alpm_list_getdata(j);
+ printf("%s\n", delta);
+ }
+ alpm_list_free(unused);
+ }
+}
+
+void checkdbs(char *dbpath, alpm_list_t *dbnames) {
+ char syncdbpath[PATH_MAX];
+ pmdb_t *db = NULL;
+ alpm_list_t *i;
+
+ for(i = dbnames; i; i = alpm_list_next(i)) {
+ char *dbname = alpm_list_getdata(i);
+ snprintf(syncdbpath, PATH_MAX, "%s/sync/%s", dbpath, dbname);
+ db = alpm_db_register_sync(dbname);
+ if(db == NULL) {
+ fprintf(stderr, "error: could not register sync database (%s)\n",
+ alpm_strerrorlast());
+ return;
+ }
+ checkpkgs(alpm_db_get_pkgcache(db));
+ }
+
+}
+
+void usage() {
+ fprintf(stderr, "usage:\n");
+ fprintf(stderr,
+ "\t%s [-b <pacman db>] core extra ... : check the listed sync databases\n", BASENAME);
+ exit(1);
+}
+
+int main(int argc, char **argv)
+{
+ char *dbpath = DBPATH;
+ int a = 1;
+ alpm_list_t *dbnames = NULL;
+
+ while(a < argc) {
+ if(strcmp(argv[a], "-b") == 0) {
+ if(++a < argc) {
+ dbpath = argv[a];
+ } else {
+ usage();
+ }
+ } else if(strcmp(argv[a], "-h") == 0 ||
+ strcmp(argv[a], "--help") == 0 ) {
+ usage();
+ } else {
+ dbnames = alpm_list_add(dbnames, argv[a]);
+ }
+ a++;
+ }
+
+ if(!dbnames) {
+ usage();
+ }
+
+ if(alpm_initialize() == -1) {
+ fprintf(stderr, "cannot initialize alpm: %s\n", alpm_strerrorlast());
+ return(1);
+ }
+
+ /* let us get log messages from libalpm */
+ alpm_option_set_logcb(output_cb);
+
+ alpm_option_set_dbpath(dbpath);
+
+ checkdbs(dbpath,dbnames);
+ alpm_list_free(dbnames);
+
+ cleanup(0);
+}
+
+/* vim: set ts=2 sw=2 noet: */