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  • Committer: Bazaar Package Importer
  • Author(s): Philipp Kern
  • Date: 2010-06-28 18:04:16 UTC
  • mfrom: (0.5.1 upstream) (0.3.4 squeeze)
  • Revision ID: james.westby@ubuntu.com-20100628180416-3xgfpga8cvp872ye
Upload to Debian unstable.

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usr/bin/byobu-launcher
 
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#!/bin/sh -e
 
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#
 
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#    byobu-launcher - conditionally launch byobu
 
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#    Copyright (C) 2010 Canonical Ltd.
 
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#
 
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#    Authors: Dustin Kirkland <kirkland@canonical.com>
 
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#
 
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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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#
 
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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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#
 
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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 [ ! -r "$HOME/.byobu/disable-autolaunch" ]; then
 
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        if printf "$TERM" | grep -qs "screen"; then
 
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                # Handle nesting
 
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                printf "$(gettext 'Do you want to launch byobu in a nested session?') [y/N]: "
 
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                answer=$(head -n1)
 
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                if [ "$answer" = "y" ] || [ "$answer" = "Y" ]; then
 
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                        # Prevent nasty launch recursion, if ssh'ing to localhost
 
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                        if [ -n "$SSH_CONNECTION" ]; then
 
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                                # This is an SSH session
 
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                                from=$(echo "$SSH_CONNECTION" | awk '{print $1}')
 
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                                to=$(echo "$SSH_CONNECTION" | awk '{print $3}')
 
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                                if [ "$from" = "$to" ]; then
 
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                                        # We have ssh'd from this machine, to this machine
 
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                                        if screen -ls | grep -qs '(Attached)$'; then
 
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                                                # And there is already an attached screen session
 
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                                                # Exit to prevent recursion
 
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                                                false
 
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                                        else
 
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                                                exec /usr/bin/byobu "$@"
 
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                                        fi
 
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                                else
 
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                                        exec /usr/bin/byobu "$@"
 
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                                fi
 
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                        else
 
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                                exec /usr/bin/byobu "$@"
 
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                        fi
 
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                else
 
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                        false
 
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                fi
 
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        else
 
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                exec /usr/bin/byobu "$@"
 
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        fi
 
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fi
 
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false