#!/bin/sh -e
#
#    byobu-launcher-install
#    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"

install_launcher() {
	echo "\`echo \$- | grep -qs i\` && $PKG-launcher && exit 0" >> "$1"
}

# Sanitize the environment
$PKG-launcher-uninstall || true
# Hush login, since we will handle motd printing
touch "$HOME"/.hushlogin
rm -f "$HOME/.$PKG/disable-autolaunch"

# Handle bourne shells, if not set globally in /etc/profile.d
if [ ! -h "/etc/profile.d/Z98-$PKG.sh" ]; then
	# Install in $HOME/.profile unconditionally
	install_launcher "$HOME/.profile"
	# Now, install in any shell-specific profiles, if they exist
	# This list may grow to support other shells
	for i in ".bash_profile" ".bash_login"; do
		if [ -w "$HOME/$i" ]; then
			install_launcher "$HOME/$i"
		fi
	done
fi

# Install in zprofile if default shell is zsh
if grep -qs "^$USER:.*zsh$" /etc/passwd; then
	install_launcher "$HOME/.zprofile"
fi