test.sh

#!/bin/bash

if [[ -z $1 ]]; then
    branch='test'
else
    case $1 in
        -b | --branch)
            branch=$2
            ;;
        --branch=*)
            branch=${1#*=}
            ;;
    esac    
fi

if [[ -z $3 ]]; then
    env='dev'
else
    case $3 in
        -e | --env)
            env=$4
            ;;
        --env=*)
            env=${3#*=}
            ;;
    esac
fi

echo "Testing: ", $1, $2, $3, $4