Script to configure automatically an alias to Symfony console with version 3.0 and earlies

symfonyrc

#!/bin/bash

# Comment this if you won't display the symfony version and environment
export SYMFONYRC_DISPLAY_VERSION=1

# Execute 'sfenv' to change the default environment
function sfenv()
{
    case $1 in
        prod|dev|test )
            export SYMFONY_ENV=$1
            echo "Symfony environment changed to $1";
            ;;
    esac
}

# Create a 'console' alias command to the real console command. It works with
# Symfony 3.0 and earlier versions.
function __sf_console()
{
    local version

    if [[ -e "vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php" ]];
    then
        if [[ -e "bin/console" ]];
        then
            alias console=bin/console
        elif [[ -e "app/console" ]]; then
            alias console=app/console
        fi

        if [[ -n "$SYMFONYRC_DISPLAY_VERSION" ]];
        then
            version=$(console --version --ansi 2> /dev/null)
            if [[ $? -eq 0 ]];
            then
                echo $version
            fi
        fi
    elif alias console >& /dev/null;
    then
        unalias console
    fi
}

function __sf_init()
{
    if [[ ! "$PROMPT_COMMAND" =~ "__sf_console" ]];
    then
        export PROMPT_COMMAND="${PROMPT_COMMAND};__sf_console"
    fi
}

__sf_init