memgraph/init

#!/bin/bash

function print_usage_and_exit {
    echo "./init [-s] [--no-clone-dependencies] [--arc-diff DIFF_ID]"
    echo -e "Prepare the environment for Memgraph QA.\n"
    echo "Optional arguments:"
    echo -e "  -s\tuse sudo apt-get for installing required packages"
    echo -e "  -h\tdisplay this help and exit"
    echo -e "  --no-clone-dependencies\tskip cloning memgraph sources"
    echo -e "  --arc-diff\tcheckout the DIFF_ID from Phabricator"
    exit 1
}

# read arguments
arcanist_diff_id=""
clone_dependencies=true
use_sudo=false
while [[ $# -gt 0 ]]; do
    case $1 in
        --no-clone-dependencies)
            clone_dependencies=false
            shift
            ;;
        --arc-diff)
            if [[ -z $2 ]]; then
                print_usage_and_exit
            fi
            arcanist_diff_id=$2
            shift 2
            ;;
        -s)
            use_sudo=true
            shift
            ;;
        *)
            # unknown option
            print_usage_and_exit
            ;;
    esac
done

# exit if any subcommand returns a non-zero status
set -e

script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd ${script_dir}

required_pkgs=(git arcanist # used to clone sources
               python-virtualenv python3-pip # required by 'run' script
              )

# install all dependencies on debian based operating systems
for pkg in ${required_pkgs[@]}; do
    if dpkg -s $pkg 2>/dev/null >/dev/null; then
        echo "Found $pkg"
    elif [[ $use_sudo = true ]]; then
        echo "Installing $pkg"
        if [[ ! `sudo apt-get -y install $pkg` ]]; then
            echo "Didn't install $pkg [required]"
            required_missing=true
        fi
    else
        echo "Missing $pkg [required]"
        required_missing=true
    fi
done

if [[ $required_missing = true ]]; then
    echo "Missing required packages. EXITING!"
    echo "Please, install required packages and rerun $0 again."
    exit 2
fi

# setup ve
if [ ! -d "ve3" ]; then
    virtualenv -p python3 ve3
fi
source ve3/bin/activate
pip3 install --upgrade pip
pip3 install -r requirements.txt

# TODO: use pullbot and read a password from program arg or env var
#       (in order to use this script inside CI infrastructure)


# clean dbms folder
dbms_folder=${script_dir}/dbms
mkdir -p ${dbms_folder}

# clone memgraph & checkout right commit
cd ${dbms_folder}
if [[ $clone_dependencies = true ]] ; then
    rm -rf ${dbms_folder}/*
    git clone https://phabricator.memgraph.io/diffusion/MG/memgraph.git
fi
memgraph_folder=${dbms_folder}/memgraph
cd ${memgraph_folder}
git checkout dev
# optionally apply arcanist patch
if [[ !  -z  ${arcanist_diff_id}  ]]; then
    # nocommit is here because arc tries to commit the patch
    # and it fails if user isn't set (inside CI infrastructure the user
    # probably won't be defined because CI infrastructure doesn't push
    # any code back to the repository)
    arc patch ${arcanist_diff_id} --nocommit
fi
./init

# compile memgraph
memgraph_build_dir=${script_dir}/dbms/memgraph/build
cd ${memgraph_build_dir}
cmake ..
make -j8