name : byobu-reconnect-sockets #!/bin/sh # # byobu-reconnect-sockets - source this file to re-establish # GPG_AGENT_INFO and DBUS_SESSION_BUS_ADDRESS, # useful when reconnecting to an existing # byobu session. # # Copyright (C) 2009 Canonical Ltd. # Copyright (C) 2012-2014 Dustin Kirkland <kirkland@byobu.org> # # Authors: Dustin Kirkland <kirkland@byobu.org> # Ryan C. Thompson <rct@thompsonclan.org> # # 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" [ -r "$HOME/.byoburc" ] && . "$HOME/.byoburc" [ -z "${BYOBU_PREFIX}" ] && export BYOBU_PREFIX="/usr" || export BYOBU_PREFIX . "${BYOBU_PREFIX}/lib/${PKG}/include/common" case "$-" in *i*) # no-op ;; *) echo 2>&1 echo "ERROR: You must source this file, rather than execute it." 2>&1 echo " . $0" 2>&1 echo 2>&1 exit 1 ;; esac export_and_send () { var="$1" value="$(eval "echo \$$var")" export "$var" case $BYOBU_BACKEND in tmux) tmux setenv "$var" "$value" ;; screen) screen -X setenv "$var" "$value" ;; esac } screen_update () { # Ensure that screen's environment variables/values get propagated here # Enable word splitting for zsh: [ "x$ZSH_VERSION" != x ] && setopt local_options sh_word_split tempfile=$(mktemp -q ${BYOBU_RUN_DIR}/sockets-XXXXXXXX) && { for var in $VARS_TO_UPDATE; do screen sh -c "echo export $var=\$$var >> \"$tempfile\"" done . "$tempfile" rm -f "$tempfile" } } tmux_update () { # Ensure that tmux's environment variables/values get propagated here # Enable word splitting for zsh: [ "x$ZSH_VERSION" != x ] && setopt local_options sh_word_split for var in $VARS_TO_UPDATE; do expr="$(tmux showenv | grep "^$var=")" if [ -n "$expr" ]; then export "$expr" fi done } # Pull environment variables/values from backend and update/export here VARS_TO_UPDATE="DISPLAY DBUS_SESSION_BUS_ADDRESS SESSION_MANAGER GPG_AGENT_INFO XDG_SESSION_COOKIE XDG_SESSION_PATH GNOME_KEYRING_CONTROL GNOME_KEYRING_PID GPG_AGENT_INFO SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID WINDOWID UPSTART_JOB UPSTART_EVENTS UPSTART_SESSION UPSTART_INSTANCE" case $BYOBU_BACKEND in tmux) tmux_update ;; screen) screen_update ;; esac # Establish gpg-agent socket, helps when reconnecting to a detached session newest "$HOME/.gnupg/gpg-agent-info-*" && . "$_RET" && export_and_send GPG_AGENT_INFO # Reconnect dbus, source the most recently touched session-bus # Sorry, ls -t is needed here, to sort by time newest "$HOME/.dbus/session-bus/*" && . "$_RET" [ -r "$BYOBU_RUN_DIR/sockets" ] && . "$BYOBU_RUN_DIR/sockets" export_and_send DBUS_SESSION_BUS_ADDRESS export_and_send SESSION_MANAGER # vi: syntax=sh ts=4 noexpandtab