prepare.sh

#!/usr/bin/env bash

# Initial Exports
export \
	DEBIAN_FRONTEND=noninteractive \
	LANG=C.UTF-8 \
	JAVA_OPTS=" -Xmx7G " JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64

printf "Installing Recommended Programs. This Will Take A Few Minutes...\n"
sudo apt-get -qqy update &>/dev/null
sudo apt-get -qqy install --no-install-recommends \
	lsb-core lsb-security patchutils bc \
	android-sdk-platform-tools adb fastboot \
	openjdk-8-jdk ca-certificates-java maven \
	python-all-dev python-is-python2 \
	lzip lzop xzdec pixz libzstd-dev lib32z1-dev \
	exfat-utils exfat-fuse \
	gcc gcc-multilib g++-multilib clang llvm lld cmake ninja-build \
	libxml2-utils xsltproc expat re2c libxml2-utils xsltproc expat re2c libreadline-gplv2-dev libsdl1.2-dev libtinfo5 xterm rename schedtool bison gperf libb2-dev pngcrush imagemagick optipng advancecomp \
	&>/dev/null

printf "Cleaning Some Programs...\n"
sudo apt-get -qqy purge default-jre-headless openjdk-11-jre-headless &>/dev/null
sudo apt-get -qy clean &>/dev/null && sudo apt-get -qy autoremove &>/dev/null
sudo rm -rf -- /var/lib/apt/lists/* /var/cache/apt/archives/* &>/dev/null

cd /home/runner || exit 1

printf "Adding latest stable git-repo and ghr binary...\n"
mkdir -p /home/runner/bin &>/dev/null
curl -sL https://github.com/GerritCodeReview/git-repo/raw/stable/repo -o /home/runner/bin/repo
curl -s https://api.github.com/repos/tcnksm/ghr/releases/latest \
	| grep "browser_download_url" | grep "amd64.tar.gz" | cut -d '"' -f 4 | wget -qi -
tar -xzf ghr_*_amd64.tar.gz && cp ghr_*_amd64/ghr /home/runner/bin/ && rm -rf ghr_*
chmod a+rx /home/runner/bin/repo && chmod a+x /home/runner/bin/ghr

mkdir -p /home/runner/extra &>/dev/null
printf "Installing Latest make and ccache...\n"
{
	cd /home/runner/extra || exit 1
	wget -q https://ftp.gnu.org/gnu/make/make-4.3.tar.gz
	tar xzf make-4.3.tar.gz && cd make-*/
	./configure && bash ./build.sh && install ./make /usr/local/bin/make
	cd /home/runner/extra || exit 1
	git clone -q https://github.com/ccache/ccache.git
	cd ccache && git checkout -q v4.1
	mkdir build && cd build
	cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr ..
	make -j6 && make install
} &>/dev/null
cd /home/runner || exit 1
rm -rf /home/runner/extra

printf "Doing Some Random Stuff...\n"
if [ -e /lib/x86_64-linux-gnu/libncurses.so.6 ] && [ ! -e /usr/lib/x86_64-linux-gnu/libncurses.so.5 ]; then
	ln -s /lib/x86_64-linux-gnu/libncurses.so.6 /usr/lib/x86_64-linux-gnu/libncurses.so.5
fi

# Minor ADB Rules Settings
sudo curl --create-dirs -sL -o /etc/udev/rules.d/51-android.rules -O -L \
	https://raw.githubusercontent.com/M0Rf30/android-udev-rules/master/51-android.rules
sudo chmod 644 /etc/udev/rules.d/51-android.rules
sudo chown root /etc/udev/rules.d/51-android.rules

# Post Setup Exports
export \
	PATH=/usr/local/bin:/home/runner/bin:$PATH \
	USE_CCACHE=1 CCACHE_COMPRESS=1 CCACHE_COMPRESSLEVEL=8 CCACHE_DIR=/opt/ccache \
	TERM=xterm-256color

printf "Setting ccache...\n"
mkdir -p /opt/ccache &>/dev/null
sudo chown runner:docker /opt/ccache
CCACHE_DIR=/opt/ccache ccache -M 5G &>/dev/null

# Fallback For Setting New PATH Variable, The GitHub Actions Way
echo "/usr/local/bin" >> $GITHUB_PATH
echo "/home/runner/bin" >> $GITHUB_PATH

printf "All Done.\nReady To Build Recoveries...\n"