## Andrea D'Amore - 20100710

## MacPorts handle
## edit and uncomment next line 
#export PORT_HANDLE=<your handle here>

## MacPorts' port wrapper
port() {
  PORT_BIN=$(which port)
  
  ## tries to set environment variables if they are not set
  if [ -z "$PORT_PREFIX" ]; then export PORT_PREFIX="/opt/local"; fi
  if [ -z "$PORT_HANDLE" ]; then export PORT_HANDLE=$(id -p | grep uid | cut -f 2); fi
  
  ## patch to well behave with mpswitch, this directory is not going to change from one mp installation to another
#  PORT_BASE="/opt/local/var/macports/sources/svn.macports.org/trunk/base"
  PORT_BASE="$PORT_PREFIX/var/macports/sources/svn.macports.org/trunk/base"
  PORT_ETC="$PORT_PREFIX/etc"
  ## patch to well behave with mpswitch, this directory is not going to change from one mp installation to another
#  PORT_SVN_SOURCES="$PORT_PREFIX/var/macports/sources/svn.macports.org"
  PORT_SVN_SOURCES="/opt/local/var/macports/sources/svn.macports.org"
  PORT_SOURCES="$PORT_SVN_SOURCES"
  
  case "$1" in
   "search")
    shift
    $PORT_BIN search --line "$@"
    ;;
  "base") 
    echo "$PORT_BASE"
    ;;
  "prefix")
    echo "$PORT_PREFIX"
    ;;
  "etc")
    echo "$PORT_ETC"
    ;;
  "sources")
    echo "$PORT_SOURCES"
    ;;
  "user")
    echo "$PORT_SOURCES"/users/"$PORT_HANDLE"
    ;;
  "users")
    echo "$PORT_SOURCES"/users
    ;;
  "local")
    echo /opt/local/var/macports/sources/local
    ;;
  "svn")
    echo "$PORT_SVN_SOURCES"
    ;;
  "gsoc")
    echo "$PORT_SVN_SOURCES"/branches/gsoc10-configfiles/base/
    ;;
  "dports")
    echo $(grep default $(port prefix)/etc/macports/sources.conf | cut -d " " -f 1 | grep "^file" |grep "^file" | sed "s|file://||") 
    ;;
  "cd") 
    case "$2" in
    "base")
      cd $(port base)
      ;;
    "prefix")
      cd $(port prefix)
      ;;
    "etc")
      cd $(port etc)
      ;;
    "conf")
      cd $(port etc)/macports
      ;;
    "sources")
      cd $(port sources)
      ;;
    "local")
      cd $(port local)
      ;;
    "svn")
      cd $(port svn)
      ;;
    "gsoc")
      cd $(port gsoc)
      ;;
    "dports")
      cd $(port dports)
      ;;
    "user")
      cd $(port users)/"$PORT_HANDLE"
      ;;
    "users")
      cd $(port users)
      ;;
	*)
      shift 1
      cd $("$PORT_BIN" dir "$@")
      ;;  
    esac
    ;;
  "real")
    shift
    "$PORT_BIN" $@
    ;;
  *)  
    "$PORT_BIN" $@
    ;;  
  esac
}

## GSoC section

## switch from regular installation to alternate prefix
mpswitch () {
  if [[ "$PATH" = */opt/local/* ]]; then
    export PATH=$(echo "$PATH" | sed -e 's,/opt/local,/opt/mp-gsoc,g');
    export PORT_PREFIX="/opt/mp-gsoc"
  else
    export PATH=$(echo "$PATH" | sed -e 's,/opt/mp-gsoc,/opt/local,g');
    export PORT_PREFIX="/opt/local"
  fi
}