addition to make debian restores faster

restore.lib.bash

@@ -8,4 +8,13 @@ function exclusions () {
     mv installed_packages installed_packages.orig
     grep -vf exclusions installed_packages.orig  > installed_packages
 
+}
+
+function mkfast_deb () {
+    
+    # we must check for packages already installed so we don't waste time reinstalling them
+
+    dpkg --get-selections > installed_packages_fast
+    grep -vf installed_packages_fast installed_packages > installed_packages
+    
 }