RetroPie setup script (configure IO scheduler, install golang and grab ROM cover art)

retropie_setup.sh

#!/bin/bash

set -xe

GOVERSION=1.10.3

export GOPATH="$HOME/go"
export PATH="$PATH:$GOPATH/bin"

test -d $GOPATH && rm -rf $GOPATH
mkdir -p $HOME/bin

sudo apt-get -u update
sudo apt-get -u install -y tmux vim axel

if [[ ! -f /etc/tmpfiles.d/10_scheduler.conf ]]; then
	echo "w /sys/block/mmcblk0/queue/scheduler - - - - noop" | \
		sudo tee /etc/tmpfiles.d/10_scheduler.conf
fi

axel -a -o /tmp/go.tar.gz \
	https://storage.googleapis.com/golang/go${GOVERSION}.linux-armv6l.tar.gz

test -d /usr/local/go && sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzvf /tmp/go.tar.gz && rm -f /tmp/go.tar.gz

export PATH=/usr/local/go/bin:$PATH

go get -v -d github.com/sselph/scraper
GOARM=7 GOARCH=arm GOOS=linux go build -o ~/bin/scraper github.com/sselph/scraper

test -x $HOME/bin/scraper && cd ~/RetroPie/roms && ~/bin/scraper -scrape_all -thumb_only -workers 4 -console_src="gdb,ovgdb"