phpbrew.sh

#!/bin/bash
[[ -z "$PHPBREW_ROOT" ]] && export PHPBREW_ROOT="$HOME/.phpbrew"
[[ -z "$PHPBREW_HOME" ]] && export PHPBREW_HOME="$HOME/.phpbrew"

if [[ ! -n "$PHPBREW_SKIP_INIT" ]]; then
    if [[ -f "$PHPBREW_HOME/init" ]]; then
        . "$PHPBREW_HOME/init"
    fi
fi

function phpbrew () {
    BIN='scripts/phpbrew.php'

	local exit_status
	local short_option
	export SHELL
	if [[ `echo $1 | awk 'BEGIN{FS=""}{print $1}'` = '-' ]]
	then
		short_option=$1 
		shift
	else
		short_option="" 
	fi
	case $1 in
		(use) if [[ -z "$2" ]]
			then
				if [[ -z "$PHPBREW_PHP" ]]
				then
					echo "Currently using system perl"
				else
					echo "Currently using $PHPBREW_PHP"
				fi
			else
				code=$(command $BIN env $2) 
				if [ -z "$code" ]
				then
					exit_status=1 
				else
					eval $code
					__phpbrew_set_path
				fi
			fi ;;
		(switch) 
            if [[ -z "$2" ]]
			then
				command $BIN switch
			else
				$BIN use $2
				__phpbrew_reinit $2
			fi ;;
		(off) 
            unset PHPBREW_PHP
			eval `$BIN env`
			__phpbrew_set_path
			echo "phpbrew is turned off." ;;
		(switch-off) 
            unset PHPBREW_PHP
			__phpbrew_reinit
			echo "phpbrew is switched off." ;;
		(*) command $BIN $short_option "$@"
			exit_status=$?  ;;
	esac
	hash -r
	return ${exit_status:-0}
}

function __phpbrew_set_path () {
	[[ -n $(alias perl 2>/dev/null) ]] && unalias perl 2> /dev/null

    if [[ -n $PHPBREW_ROOT ]] ; then
        export PATH_WITHOUT_PHPBREW=$(perl -e 'print join ":", grep { index($_,$ENV{PHPBREW_ROOT}) } split/:/,$ENV{PATH};')
    fi

	if [[ -z "$PHPBREW_PATH" ]]
	then
		export PHPBREW_PATH="$PHPBREW_ROOT/bin"
	fi
	export PATH=$PHPBREW_PATH:$PATH_WITHOUT_PHPBREW
    # echo "PATH => $PATH"
}

function __phpbrew_reinit () {
	if [[ ! -d "$PHPBREW_HOME" ]]
	then
		mkdir -p -p "$PHPBREW_HOME"
	fi
	echo '# DO NOT EDIT THIS FILE' >| "$PHPBREW_HOME/init"
	command $BIN env $1 >> "$PHPBREW_HOME/init"
	. "$PHPBREW_HOME/init"
	__phpbrew_set_path
}