environment

#!/usr/bin/env sh

init_environment() {
    cp ./.env-sample ./.env

    USER_ID=$(id -u)
    GROUP_ID=$(id -g)

    sed -i -e "s/C_UID=1000/C_UID=$USER_ID/g" ./.env
    sed -i -e "s/C_GID=1000/C_GID=$GROUP_ID/g" ./.env

    echo "Environment initiated."
    echo "Please update .env file according to your needs. Then start the environment by running ./environment"
}

uname=$(uname)
if [ "$uname" = "Linux" ]; then
    cd "$(dirname "$(readlink -f "$0")")"
else
    cd "$(cd "$(dirname "$0")"; pwd -P)"
fi

# we need some configuration
if [ -e .env ]; then
    . "$(pwd)/.env"
else
    echo "No config found, running initialisation..."
    sleep 1
    init_environment
    exit 0
fi

if [ "$1" = "init" ]; then
    init_environment
    exit 0
fi

PATH="$(pwd)/bin:$PATH"
export PATH

# start dinghy if its not yet up (macOS)
if which dinghy > /dev/null 2>&1; then
    if ! dinghy ip > /dev/null 2>&1; then
        dinghy up
    fi
    eval $(dinghy env)
fi

cd "$APPLICATION"

sessionname=$(echo "$BASEHOST" | sed 's/[^a-zA-Z0-9]//g');

MANAGER=$1
if [ -z "$MANAGER" ]; then
    MANAGER="$WINDOW_MANAGER"
fi

if [ "$MANAGER" = "screen" ]; then
    screen -r $sessionname
    if [ "$?" -ne 0 ]; then
        screen -S $sessionname
    fi
elif [ "$MANAGER" = "tmux" ]; then
    tmux -L $sessionname has-session -t $sessionname
    if [ $? -ne 0 ]; then
        tmux -L $sessionname new -s $sessionname
    else
        tmux -L $sessionname a -t $sessionname
    fi
elif [ "$MANAGER" = "byobu" ]; then
    byobu -L $sessionname has-session -t $sessionname
    if [ $? -ne 0 ]; then
        byobu -L $sessionname new -s $sessionname
    else
        byobu -L $sessionname a -t $sessionname
    fi
elif [ "$MANAGER" = "shell" ]; then
    exec $SHELL
else
    echo "run $0 [screen|tmux|byobu|shell]"
fi