move IsInstalled and apt-fast

images/linux/scripts/helpers/apt.sh

@@ -1,23 +0,0 @@
-#!/bin/bash
-################################################################################
-##  File:  apt.sh
-##  Desc:  This script contains helper functions for using dpkg and apt
-################################################################################
-
-## Use dpkg to figure out if a package has already been installed
-## Example use:
-## if ! IsInstalled packageName; then
-##     echo "packageName is not installed!"
-## fi
-function IsInstalled {
-    dpkg -S $1 &> /dev/null
-}
-
-# Configure apt to always assume Y
-echo "APT::Get::Assume-Yes \"true\";" > /etc/apt/apt.conf.d/90assumeyes
-
-# Use apt-fast for parallel downloads
-apt-get install aria2
-add-apt-repository -y ppa:apt-fast/stable
-apt-get update
-apt-get -y install apt-fast

images/linux/scripts/helpers/install.sh

@@ -33,4 +33,13 @@ download_with_retries() {
 
     echo "Could not download $URL"
     return 1
+}
+
+## Use dpkg to figure out if a package has already been installed
+## Example use:
+## if ! IsInstalled packageName; then
+##     echo "packageName is not installed!"
+## fi
+function IsInstalled {
+    dpkg -S $1 &> /dev/null
 }