#!/bin/bash -x
# Installs IIAB. "bash -x" (xtrace) is like -v (verbose) but expands commands.

# 1. RUN: "sudo su -" then "raspi-config" to set "Localisation Options"
# 2. OPTIONAL: "passwd pi; touch /boot/ssh; reboot" to ssh in immediately
# 3. RUN THIS SCRIPT: curl download.iiab.io/6.4/rpi/load-prep.txt | bash

set -e                    # to exit on error (avoids snowballing)

tune2fs -m 1 /dev/mmcblk0p2
# Above changes reserve disk space from ~5% to 1%

export DEBIAN_FRONTEND=noninteractive
apt update
apt -y dist-upgrade
apt -y clean
# Above updates Raspbian for security especially

wget https://download.teamviewer.com/download/linux/teamviewer-host_armhf.deb
set +e                    # do not exit when "dpkg -i" below inevitably fails
dpkg -i teamviewer-host_armhf.deb
set -e
apt -y -f install         # fix dependencies for above/failed "dpkg -i"
rm teamviewer-host_armhf.deb

apt -y install git ansible emacs lynx bc
# Above installs a more future-proof Ansible 2.2.1+, and git for Raspbian Lite
sed -i 's/StrictVersion/LooseVersion/g' /usr/lib/python2.7/dist-packages/ansible/modules/core/web_infrastructure/htpasswd.py
# ABOVE APPLIES TEMPORARY PATCH https://github.com/ansible/ansible/pull/20202
# needed by munin until Ansible 2.3.2 or 2.4.0, to overcome Ansible bug:
#    TASK [munin : Create admin user] ********************************
#    fatal: [127.0.0.1]: FAILED! => {"changed": false, "failed": true,
#    "msg": "invalid version number '1.7.0.post20170423015547'"}