kiss: Clean up leftover cache entries

kiss

@@ -1138,11 +1138,17 @@ pkg_clean() {
     # to the build.
     [ "$KISS_DEBUG" != 1 ] || return
 
-    # Block 'Ctrl+C' while cache is being cleaned.
-    trap '' INT
+    # Create a list containing the current invocation's temporary
+    # files and directories.
+    set +f -- "$mak_dir" "$pkg_dir" "$tar_dir" "$cac_dir/$pid-m"
 
-    # Remove temporary items.
-    rm -rf -- "$mak_dir" "$pkg_dir" "$tar_dir" "$cac_dir/$pid-m"
+    # Go through the cache and add any entries which don't belong 
+    # to a currently running kiss instance.
+    for dir in "$cac_dir/"[bep]*-[0-9]*; do
+        [ -e "/proc/${dir##*-}" ] || set -- "$@" "$dir"
+    done
+
+    rm -rf -- "$@"
 }
 
 args() {
@@ -1240,7 +1246,7 @@ args() {
         r|remove)
             pkg_order "$@"
 
-            for pkg in $redro; do
+            for pkg in $redro; do 
                 pkg_remove "$pkg" "${KISS_FORCE:-check}"
             done
         ;;