marvolo_maya linux and osx install script

marvolo_maya_install.sh

#!/bin/bash

_blue="\033[01;38;5;39m"
_green="\033[01;38;5;34m"
_orange="\033[0;38;5;208m"
_default="\033[0;00m"

echo
echo -e "$_blue<<< marvolo_maya installation >>>$_default"
echo

echo "downloading marvolo_maya"
# wget -O /tmp/marvolo_maya.zip https://github.com/t-marvolo/marvolo_maya/archive/master.zip > /dev/null 2>&1
curl -Lko /tmp/marvolo_maya.zip https://github.com/t-marvolo/marvolo_maya/archive/master.zip > /dev/null 2>&1

echo "extracting"
unzip -o /tmp/marvolo_maya.zip -d /tmp/ > /dev/null 2>&1
mv /tmp/marvolo_maya-master /tmp/marvolo_maya/

echo "downloading Qt.py"
# wget -O /tmp/Qt.py https://raw.githubusercontent.com/mottosso/Qt.py/master/Qt.py > /dev/null 2>&1
curl -Lko /tmp/Qt.py https://raw.githubusercontent.com/mottosso/Qt.py/master/Qt.py > /dev/null 2>&1

echo
echo "check for maya installs..."
echo

function finish {
    rm -rf /tmp/marvolo_maya* /tmp/Qt.py
}

trap finish EXIT # catch premature exit and cleanup


if [ $(uname) = "Linux" ]; then
    mayaroot="$HOME/maya/"
    echo "OS is Linux | maya root: $mayaroot"
elif [ $(uname) = "Darwin" ]; then
    mayaroot="$HOME/Library/Preferences/Autodesk/maya/"
    echo "OS is MacOS | maya root: $mayaroot"
fi

echo

for (( v=2014; v<=2018; v++ ))
do

    mayadir="${mayaroot}${v}"

    if [ -d $mayadir ]; then

        echo -ne "found maya $v at $mayadir: install here (y/n)?      "
        read ANS

        if [ $ANS == "y" ]; then
            cp -r /tmp/marvolo_maya "$mayadir/scripts/"
            cp /tmp/Qt.py "$mayadir/scripts/"

            userSetup="$mayadir/scripts/userSetup.py"

            appendUserSetup=1

            if [ -f $userSetup ]; then #create userSetup.py, or append space if existing
                #if marvolo_maya import does not already exist in userSetup
                if [[ -z $(cat ${userSetup} | grep "import marvolo_maya") ]]; then
                    echo "no marvolo_maya import found in userSetup"
                    echo >> $userSetup
                else
                    echo "marvolo_maya import already exists in userSetup - skipping append"
                    appendUserSetup=0
                fi
            else
                echo "no userSetup.py file - creating"
                touch $userSetup
            fi

            if [ $appendUserSetup = 1 ]; then
                echo "appending marvolo_maya import to userSetup"
                echo "import pymel.core as pm" >> $userSetup
                echo "pm.evalDeferred('import marvolo_maya')" >> $userSetup
            fi

            echo -e "${_green}succesfully installed for maya $v$_default"
        else
            echo -e "${_orannge}skipped install for maya $v${_default}"
        fi

        echo
    else
        echo "no maya $v found"
        echo
    fi
done

echo "cleanup..."
echo
echo -e "${_blue}marvolo_maya install complete${_default}"
echo