Nannou project generator bash script

newnannou

#!/usr/bin/env bash
# 
# A script for generating nannou projects
# 
# Usage: newnannou <projectname>
# If you set the environment variable NANNOU_DIR to the path 
# of your nannou projects folder, this will be used, otherwise 
# the target folder is your home folder
#
# by Mads Kjeldgaard 2020

# Basic Nannou project code taken from the documentation
BASIC_PROJECT_CODE="use nannou::prelude::*;

fn main() {
    nannou::app(model)
        .update(update)
        .simple_window(view)
        .run();
}

struct Model {}

fn model(_app: &App) -> Model {
    Model {}
}

fn update(_app: &App, _model: &mut Model, _update: Update) {
}

fn view(_app: &App, _model: &Model, frame: Frame){
    frame.clear(PURPLE);
}"

# Don't execute script if a name wasn't supplied as first argument
if [ -z $1 ];
then
	echo "error:You need to supply a project name";
	echo "Usage: newnannou <projectname> <nannou-version>"
else

	# If env variable hasn't been set for Nannou project dir, then just use the home dir
	if [[ -z $NANNOU_DIR ]]; then
		echo "You haven't setup the NANNOU_DIR environment variable containing the path to your nannou projects folder"
		echo "Putting the project in your homefolder instead"
		NANNOU_DIR=$HOME
	fi

	# Project directory
	cd $NANNOU_DIR

	# Generate project
	cargo new "$1"
	cd "$1"

	# echo "nannou = \"$NANNOUVERSION\"" >> Cargo.toml
	echo $(cargo search nannou | grep "Creative Coding Framework for Rust") >> Cargo.toml
	echo "$BASIC_PROJECT_CODE" > src/main.rs

	# Setup git
	echo "# $1" >> README.md
	git init && git add . && git commit . -m "first commit"

	# Open it all in vim
	# nvim README.md Cargo.toml src/* -p;
fi