diff --git a/src/lib/lib.sh b/src/lib/lib.sh
new file mode 100644
index 0000000..4630f0e
--- /dev/null
+++ b/src/lib/lib.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+# lib.sh - source scripts.
+# Copyright (c) 2022 ge <https://nixhacks.net/>
+#
+# 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 3 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 <https://www.gnu.org/licenses/>.
+
+BBLIBRARY="${BBLIBRARY:-./lib}"
+
+. "$BBLIBRARY/common.sh"
+. "$BBLIBRARY/backup.sh"
+. "$BBLIBRARY/source.sh"
+. "$BBLIBRARY/uri.sh"
+. "$BBLIBRARY/handlers/tar.sh"
+. "$BBLIBRARY/handlers/cp.sh"