#!/bin/bash
# Copyright (C) 2019-Ω Miquel Sabaté Solà <mikisabate@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# The *default editor*, which is meant to be installed globally. It attempts to
# execute an editor with this preference:
#   1. GNU Emacs in client mode.
#   2. Vim -> Vi.
#   3. Standalone GNU Emacs.
#   4. GNU nano
#   5. Outta luck: print an error message.

if [ -x "$(command -v emacsclient)" ]; then
    exec emacsclient -a "" -nw "$@" -c
elif [ -x "$(command -v vim)" ]; then
    exec vim "$@"
elif [ -x "$(command -v vi)" ]; then
    exec vi "$@"
elif [ -x "$(command -v emacs)" ]; then
    exec emacs --quick "$@"
elif [ -x "$(command -v nano)" ]; then
    exec nano "$@"
else
    echo "No suitable editor found!"
    exit 1
fi