#Download base image.
#The ubuntu:latest tag points to the "latest LTS"
FROM ubuntu:latest

#Set location to download ARM toolkit from.
# This will need to be changed over time or replaced with a static link to the latest release.
ENV ARMBINURL="https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2019q4/RC2.1/gcc-arm-none-eabi-9-2019-q4-major-x86_64-linux.tar.bz2?revision=6e63531f-8cb1-40b9-bbfc-8a57cdfc01b4&la=en&hash=F761343D43A0587E8AC0925B723C04DBFB848339"

#Create volume /havocbin for compiled firmware binaries
VOLUME /havocbin

#Copy build context (repository root) to /havocsrc
COPY ./ /havocsrc

#Fetch dependencies from APT
RUN apt-get update && \
	apt-get install -y tar wget dfu-util cmake python curl && \
	apt-get -qy autoremove

#Install current pip from PyPa
RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
	python get-pip.py

#Fetch additional dependencies from Python 2.x pip
RUN pip install pyyaml

#Grab the GNU ARM toolchain from arm.com
#Then extract contents to /opt/build/armbin/
RUN mkdir /opt/build && cd /opt/build && \
	wget -O gcc-arm-none-eabi $ARMBINURL && \
	mkdir armbin && \
	tar --strip=1 -xjvf gcc-arm-none-eabi -C armbin
    
#Set environment variable so compiler knows where the toolchain lives
ENV PATH=$PATH:/opt/build/armbin/bin

CMD cd /havocsrc && \
    mkdir build && cd build && \ 
    cmake .. && make firmware && \
    cp /portapack-havoc/firmware/portapack-h1-havoc.bin /havocbin