Creates my current Flask app skeleton, creating along the way a virtual environment and installing my fav libraries

flask-boilerplate.sh

#!/bin/bash

projectname=""
python_interpreter=""

usage()
{
    echo "Usage: flask-boilerplate <projectname (OPTIONAL)> [params]"
    echo "Example: flask-boilerplate hello-world"
    echo "Params:"
    echo -e "\t-p\t--projectname\tName of the project you want to create"
    echo -e "\t-i\t--interpreter\tPath to the python interpreter you want to use"
    echo -e "\t-h\t--help\t\tPrints this message\n"
}

#Check if git is installed
if [ $(which git) == "" ]; then
	echo -e "ERROR:\tYou need to have git installed to proceed"
	exit 1
fi


while [ "$1" != "" ]; do
    case $1 in
        -p | --projectname )    shift
                                projectname=$1
                                ;;
        -i | --interpreter )    shift
								python_interpreter=$1
                                ;;
        -h | --help )           usage
                                exit
                                ;;
        -* | --* )              echo -e "Incorrect param: $1\n"
								usage
                                exit 1
                                ;;
        *)
								projectname=$1
								;;
    esac
    shift
done
while [ "$projectname" == "" ]; do
	read -p 'Project name: ' projectname

	if [ "$projectname" == "" ]; then
		echo -e "ERROR:\tYou have to set a name for your project\n"
	fi
done

git clone https://github.com/JavierLuna/flask-boilerplate.git $projectname
cd $projectname
if [ "$python_interpreter" == "" ]; then
	python_interpreter=$(which python3)
	read -p 'Python interpreter [defaults '$python_interpreter']: ' python_interpreter
	if [ -z "$python_interpreter" ]; then
		python_interpreter=$(which python3)
	fi
fi

if [ ! -f "$python_interpreter" ]; then
	echo -e "ERROR:\tPython interpreter not found, aborting"
	cd ..
	rm -rf $projectname
	exit 1
fi

#Check if pip and virtualenv are installed in that python interpreter
if $python_interpreter -c "import pip;import virtualenv" &> /dev/null; then
	true
else
	echo -e "ERROR:\tYour python interpreter must have pip and virtualenv modules installed to proceed"
	cd ..
	rm -rf $projectname
	exit 1
fi


$python_interpreter -m pip install virtualenv
$python_interpreter -m virtualenv env -p $python_interpreter
source env/bin/activate
pip install -r requirements.txt
deactivate
rm -rf .git
echo '# '$projectname > README.md
git init
echo "Done!"