Don't download existing sources

zpac

@@ -72,6 +72,13 @@ aur.get() {
 		jshon -e results -e PackageBase -u -p -e URLPath -u <<< "$pkg_aur_info"
 	)
 
+	(( flag_force )) || {
+		[[ -d "${cfg_workdir}/${pkg_base}" ]] && {
+			echo "Found ${pkg_base} in ${cfg_workdir}, skipping. Use -f to override."
+			return 17
+		}
+	}
+
 	cd "$cfg_workdir"
 
 	echo "Downloading ${cfg_aur_url}${tarball_path}"
@@ -100,8 +107,13 @@ aur.get() {
 			aur_deps=( $( jshon -e results -a -e Name -u <<< "$aur_deps_api_data" ) )
 
 			for i in "${aur_deps[@]}"; do
-				aur.get < <(aur.info "$i") || {
-					return "$?"
+				aur.get < <(aur.info "$i")
+				_result="$?"
+
+				(( _result )) && {
+					(( _result == 17 )) || {
+						return "$_result"
+					}
 				}
 			done
 		fi
@@ -182,6 +194,8 @@ main() {
 				fi
 			;;
 
+			(-f) flag_force=1;;
+
 			(--) shift; break;;
 			(-*)
 				err "Unknown key: $1"