# Shell functions useful to all shells.

# Copyright (C) 2011-2012  Simon Ruderich
#
# This file 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 file 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 file.  If not, see <http://www.gnu.org/licenses/>.


# Helper function to print debug information if $DEBUG is not empty.
#
# Doesn't fit perfectly in this file, but this is the best place to make it
# available everywhere.
source_debug() {
    if test "x$DEBUG" != x; then
        echo "$@"
    fi
}

# Source $1 if it exists. And $1.local if it exists as well.
source_config() {
    source_debug "source_config(): $1"

    if test -f "$1"; then
        source_debug ". $1"
        . "$1"
    fi

    if test -f "$1.local"; then
        source_debug ". $1.local"
        . "$1.local"
    fi
}

# vim: ft=sh