diff options
Diffstat (limited to 'src/lib/librelib')
-rwxr-xr-x | src/lib/librelib | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/lib/librelib b/src/lib/librelib new file mode 100755 index 0000000..2dc9314 --- /dev/null +++ b/src/lib/librelib @@ -0,0 +1,79 @@ +#!/usr/bin/env bash +# Copyright (c) 2013 by Luke Shumaker <lukeshu@sbcglobal.net> +# +# 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/>. + +default_libdir=/usr/lib/libretools + +if ! type gettext &>/dev/null; then + gettext() { echo "$@"; } +fi + +print() { + mesg=$1 + shift + printf -- "$(gettext "$mesg")\n" "$@" +} + +prose() { + print "$@" | fmt -su +} + +cmd=${0##*/} +usage() { + . libremessages + print 'Usage: . $(%s LIBRARY)' "$cmd" + print "Finds a shell library file" + echo + prose "While some libraries can be sourced just by their name because + they are installed in PATH (like libremessages), some are not + installed there (like conf.sh), so a path must be given. + Hardcoding that path is the way of the dark side." + echo + prose 'By default, it looks for the files in `%s`, but this can be + changed with the environmental variable LIBRETOOLS_LIBDIR.' "$default_libdir" + echo + print "Example usage:" + printf ' . $(%s conf.sh)\n' "$cmd" +} + +main() { + if [[ $# != 1 ]]; then + usage >&2 + return 2 + fi + if [[ $1 == '-h' ]]; then + usage + return 0; + fi + + if [[ -z $LIBRETOOLS_LIBDIR ]]; then + export LIBRETOOLS_LIBDIR=$default_libdir + fi + + lib=$1 + lib=${lib#libre} + lib=${lib%.sh} + + for file in ${lib} libre${lib} ${lib}.sh libre${lib}.sh; do + if [[ -f "$LIBRETOOLS_LIBDIR/$file" ]]; then + printf '%s\n' "$LIBRETOOLS_LIBDIR/$file" + return 0; + fi + done + print '%s: could not find library: %s' "$cmd" "$lib" >> /dev/stderr + return 1 +} + +main "$@" |