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#!/bin/sh
#
# tmux-detach-all-but-current-client
# Copyright (C) 2013-2014 Dustin Kirkland
#
# Authors: Dustin Kirkland <kirkland@byobu.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/>.
a1=
a2=
tty1=
tty2=
# List all clients, ordered by most recent activity descending
for c in $(tmux list-clients -F "#{client_activity}___#{client_tty}" | sort -n -r); do
if [ -z "$a1" ]; then
a1=${c%%___*}
tty1=${c##*___}
elif [ -z "$a2" ]; then
a2=${c%%___*}
tty2=${c##*___}
fi
if [ -n "$a1" ] && [ -n "$a2" ]; then
if [ "$a1" = "$a2" ]; then
# Activity timestamps match in top 2 attached clients
# Let's not detach anyone here!
tmux display-message "Multiple active attached clients detected, refusing to detach" >/dev/null 2>&1
elif [ -n "$tty1" ]; then
# Detach all but the current client, iterating across each
# Tempting to use detach-client -a -t here, but there's a bug
# in there, keeping that from working properly
tmux detach-client -t "$tty2" >/dev/null 2>&1
a2=
fi
fi
done
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