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# common: common stuff sourced by all scripts
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# Copyright (C) 2011-2014 Dustin Kirkland
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# Authors: Dustin Kirkland <kirkland@byobu.org>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if [ -z "${BYOBU_INCLUDED_LIBS}" ]; then
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# Needed to set up $BYOBU_CONFIG_DIR
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. "${BYOBU_PREFIX}/lib/${PKG}/include/dirs"
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# Find command/type/which
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for BYOBU_TEST in "command -v" "type" "which"; do
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eval $BYOBU_TEST ls >/dev/null 2>&1 && break || true
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# If the backend is already set (eg. running `byobu-tmux`), do nothing.
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if [ -z "${BYOBU_BACKEND}" ]; then
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[ -r "/etc/$PKG/backend" ] && . "/etc/$PKG/backend"
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[ -r "$BYOBU_CONFIG_DIR/backend" ] && . "$BYOBU_CONFIG_DIR/backend"
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# Just in case there's no config file at all
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if [ -z "${BYOBU_BACKEND}" ]; then
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# New byobu configuration, default to tmux
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if eval $BYOBU_TEST tmux >/dev/null; then
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elif eval $BYOBU_TEST screen >/dev/null; then
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BYOBU_BACKEND="screen"
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printf "%s\n" "ERROR: $PKG won't work without tmux or screen installed" 1>&2
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# Creating backend cache
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[ -d "$BYOBU_RUN_DIR/cache.$BYOBU_BACKEND" ] || mkdir -p "$BYOBU_RUN_DIR/cache.$BYOBU_BACKEND"
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. "${BYOBU_PREFIX}/lib/${PKG}/include/shutil"
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. "${BYOBU_PREFIX}/lib/${PKG}/include/constants"
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export BYOBU_DISTRO="$_RET"