cache: delete also wget temporary files

check for the full filename to match an expected pattern or
delete it (so we delete files with .new, .new.backup, etc.).
final part of remote package caching: fixes #49.

1 files changed, 10 insertions, 2 deletions

diff --git a/src/cache.c b/src/cache.c
index 68175c3..2e9dda7 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -67,6 +67,7 @@ static int cache_clean(struct apk_database *db)
 {
 	DIR *dir;
 	struct dirent *de;
+	struct apk_package *pkg;
 	char path[256];
 	int delete, i;
 	csum_t csum;
@@ -102,13 +103,20 @@ static int cache_clean(struct apk_database *db)
 				delete = (i >= db->num_repos);
 			} else {
 				/* Package - search for it */
-				delete = (apk_db_get_pkg(db, csum) == NULL);
+				pkg = apk_db_get_pkg(db, csum);
+				if (pkg == NULL)
+					break;
+
+				snprintf(path, sizeof(path), "%s-%s.apk",
+					 pkg->name->name, pkg->version);
+				delete = strcmp(&de->d_name[sizeof(csum_t)*2+1],
+						path);
 			}
 		} while (0);
 
 		if (delete) {
 			if (apk_verbosity >= 2)
-				apk_message("Deleting %s", de->d_name);
+				apk_message("deleting %s", de->d_name);
 			if (!(apk_flags & APK_SIMULATE))
 				unlink(de->d_name);
 		}