archlinux: Finalize install.sh

This should work, although I haven't tested it yet.

In the future it may be easier to simply download the other install
scripts from this install script. That way we solve the problem of
having to unzip this entire repository in the installation image.

.archlinux/install-scripts/install.sh

@@ -1,7 +1,14 @@
 #!/bin/sh
+# Simple Arch Linux install scripts, tailored to my use case.
 
+# End the script on any errors
 set -e
 
+# Change the working directory to this one
+cd "$(dirname "$0")"
+
+# Prompt for the required information
+
 echo -n "Enter the size (in GiB) to give the primary partition: "
 read DISTSIZE
 
@@ -26,7 +33,9 @@ fi
 echo "====================================================="
 echo "Running install scripts..."
 
+# Run the install scripts
 env DISTSIZE="$DISTSIZE" ./001-preinstall
+                         ./002-install
 env HOSTNAME="$HOSTNAME" ./003-configure
 env USERNAME="$USERNAME" ./004-postinstall
 
@@ -35,3 +44,6 @@ arch-chroot /mnt passwd
 
 echo "Enter a password for $USERNAME..."
 arch-chroot /mnt passwd "$USERNAME"
+
+echo "====================================================="
+echo "Done. Now reboot into Arch Linux!"