Broke out differnt sections of the 'partition.sh' script into seperate scripts, called on by a new 'pre-inst.sh' script

base-elementary.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+set -euo pipefail
+
+BASEDIR="$(dirname "${0}" | sed "s|^\.|${PWD}|")"
+
+source \
+	/etc/os-release
+source \
+	"${BASEDIR}/system.conf"
+
+
+if [[ "${1}" == '-1' ]]; then
+	mmdebstrap \
+		--include='' \
+		"${UBUNTU_VERSION_CODENAME}" \
+		/mnt
+elif [[ "${1}" == '-2' ]]; then
+	cat <<EOF >/mnt/etc/apt/sources.list
+deb http://archive.ubuntu.com/ubuntu/ ${UBUNTU_VERSION_CODENAME} main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ ${UBUNTU_VERSION_CODENAME} main restricted universe multiverse
+
+deb http://security.ubuntu.com/ubuntu/ ${UBUNTU_VERSION_CODENAME}-security main restricted universe multiverse
+deb-src http://security.ubuntu.com/ubuntu/ ${UBUNTU_VERSION_CODENAME}-security main restricted universe multiverse
+
+deb http://archive.ubuntu.com/ubuntu/ ${UBUNTU_VERSION_CODENAME}-updates main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ ${UBUNTU_VERSION_CODENAME}-updates main restricted universe multiverse
+EOF
+
+	cat <<EOF >/mnt/etc/apt/sources.list.d/elementary.list
+deb https://ppa.launchpadcontent.net/elementary-os/stable/ubuntu ${UBUNTU_VERSION_CODENAME} main
+deb-src https://ppa.launchpadcontent.net/elementary-os/stable/ubuntu ${UBUNTU_VERSION_CODENAME} main
+EOF
+
+	cat <<EOF >/mnt/etc/apt/sources.list.d/patches.list
+deb https://ppa.launchpadcontent.net/elementary-os/os-patches/ubuntu ${UBUNTU_VERSION_CODENAME} main
+deb-src https://ppa.launchpadcontent.net/elementary-os/os-patches/ubuntu ${UBUNTU_VERSION_CODENAME} main
+EOF
+elif [[ "${1}" == '-3' ]]; then
+	rsync -pogAXtlHrDx \
+		/etc/skel \
+			/mnt/etc
+elif [[ "${1}" == '-4' ]]; then
+	cp \
+		/etc/os-release \
+		/mnt/etc
+
+	cp \
+		/etc/apt/trusted.gpg.d/{elementary,patches}.key.asc \
+		/mnt/etc/apt/trusted.gpg.d/
+fi