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#!/bin/sh -e
#
# byobu-launcher
# Copyright (C) 2008 Canonical Ltd.
#
# Authors: Nick Barcet <nick.barcet@ubuntu.com>
# Dustin Kirkland <kirkland@canonical.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, version 3 of the License.
#
# 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/>.
PKG="byobu"
RUN="/var/run/screen/S-$USER"
# Make sure that we're not already in a screen session
[ -z "$STY" ] || exit 0
[ "$TERM" = "screen-bce" ] && exit 0
out=`screen -ls 2>/dev/null` || true
if echo "$out" | grep -qsi "^No Sockets found in "; then
# Start new session
exec $PKG
else
# Set window title
printf "\033]0;${USER}@$(hostname) - ${PKG}\007"
# Update ssh-agent socket
if [ -S "$SSH_AUTH_SOCK" ] && [ -w "$RUN" ]; then
rm -f "$RUN/$PKG.ssh-agent"
ln -sf "$SSH_AUTH_SOCK" "$RUN/$PKG.ssh-agent"
fi
# Re-attach to existing session
exec screen -xRR
fi
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