#!/usr/bin/env bash
# $Id: yemacs,v 1.13 2011/12/05 21:56:03 friedman Exp $

client()
{
  PATH=$ydir/src:$ydir/lib-src:$PATH
  EMACS_SERVER_FILE=gnuedit
  export EMACS_SERVER_FILE
  exec emacsclient --no-wait --eval "$@" > /dev/null
}

main()
{
  builddirs="
    $HOME/src/emacs/build/current
    /export/src/emacs/build/current
  "

  case $1 in
    -login ) progname=-emacs ; shift ;;
    *      ) progname=emacs          ;;
  esac

  for dir in $builddirs; do
    if [ -d $dir -a -f $dir/src/emacs ]; then
      ydir=`cd $dir && /bin/pwd`
      case $progname in
        emacs ) progname="$progname (${ydir##*/})" ;;
      esac
      test -e "$ydir/src/$progname" || ln -s emacs "$ydir/src/$progname"
    fi
  done

  case $1 in
    -attach )
      case $DISPLAY in
        '' ) client "(make-frame-on-tty \"`tty`\" \"$TERM\")" ;;
        *  ) client "(make-frame-on-display \"$DISPLAY\")"    ;;
      esac ;;
  esac

  YEMACS_EXECDIR=$ydir/src
  PATH=$YEMACS_EXECDIR:$PATH
  export YEMACS_EXECDIR PATH
  exec -a "$progname" $ydir/src/emacs "$@"
  exec emacs "$@"
}

main "$@"

# eof