Inital commit.

images/linux/scripts/helpers/apt.sh

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+#!/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