version: 2
jobs:
    build:
        docker:
            - image: "ubuntu:xenial"
        steps:
            - checkout
            - run:
                name: Set up env vars
                command: echo 'export QMAKE_SPEC=linux-g++' >> $BASH_ENV; echo 'export QT_SELECT=opt-qt512' >> $BASH_ENV
            - run:
                name: Update and upgrade
                command: ' apt-get update &&  apt-get upgrade -y'
            - run:
                name: Get wget
                command: ' apt-get install wget -y;  apt-get install software-properties-common -y'
            - run:
                name: Prereqs for clang-format-8
                command: wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key |  apt-key add -;  add-apt-repository 'deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-8 main'
            - run:
                name: Installing clang-format-8
                command: ' apt update -qq;  apt install clang-format-8 -y; clang-format-8 --version;'
            - run:
                name: Run clang-format
                command: 'python ./build_scripts/run-clang-format.py ./src -r --color always --clang-format-executable clang-format-8'
            - run:
                name: Install g++-7
                command: apt-get install -y software-properties-common; add-apt-repository ppa:ubuntu-toolchain-r/test; apt update; apt install g++-7 -y;
            - run:
                name: Install required packages
                command: ' add-apt-repository ppa:kubuntu-ppa/backports -y;  add-apt-repository ppa:beineri/opt-qt-5.12.2-xenial -y;  apt-get update -qq;  apt-get install build-essential libgl1-mesa-dev -y'
            - run:
                name: Install QT packages
                command: ' apt-get install qt512-meta-minimal qt512multimedia qt512declarative qt512quickcontrols2  qt512tools  qt512base qtchooser -y'
            - run:
                name: Install X11 packages
                command: ' apt-get install libx11-dev libxt-dev libxtst-dev -y'
            - run:
                name: Install bear/clang-tidy
                command: ' apt-get install bear clang-tidy -y'
            - run:
                name: Set up QT
                command: 'qtchooser -install opt-qt512 /opt/qt512/bin/qmake'
            - run:
                name: Give build scripts +x
                command: 'chmod +x ./build_scripts/linux/build_linux.sh; chmod +x ./build_scripts/linux/format.sh; chmod +x ./build_scripts/linux/run-clang-tidy.sh ;chmod +x ./build_scripts/linux/verify_formatting.sh'
            - run:
                name: Run build script
                command: './build_scripts/linux/build_linux.sh'