unitfixes (#3)

- fix regex match padding
- fix key copying
- add more unit tests

Makefile

@@ -0,0 +1,22 @@
+#
+# convenience wrapper around meson and ninja. Forgive me, I'm old :
+
+.PHONY: all static install test clean debug
+all:
+	meson setup --reconfigure build
+	ninja -C build
+
+install: all
+	sudo ninja -C install
+
+clean:
+	rm -rf build dbtool*core* dbtool.1 test.db
+
+test:
+	@.woodpecker/test.sh
+
+debug: all
+	rm -f test.db
+	build/dbtool -d test.db -i -k borg -v sevenofnine -p -P foobar
+	build/dbtool -d test.db -s -k borg -p -P foobar
+