#!/bin/sh -e
#
# byobu-launcher-install
# Copyright (C) 2008 Canonical Ltd.
#
# Authors: Nick Barcet <[email protected]>
# Dustin Kirkland <[email protected]>
#
# 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"

FLAG="$BYOBU_CONFIG_DIR/no-logout-on-detach"

LOGOUT_ON_DETACH=1
for i in $@; do
case "$i" in
-n|--no-logout)
LOGOUT_ON_DETACH=0
;;
esac
done

update_flag() {
if [ "$LOGOUT_ON_DETACH" = "1" ]; then
rm -f "$FLAG"
else
touch "$FLAG"
fi
}

install_launcher() {
$PKG-launcher-uninstall "$1" || true
printf "_byobu_sourced=1 . ${BYOBU_PREFIX}/bin/byobu-launch\n" >> "$1"
}

install_launcher_fish() {
$PKG-launcher-uninstall "$1" || true
printf "status --is-login; and status --is-interactive; and exec byobu-launcher" >> "$1"
}

# Sanitize the environment
$PKG-launcher-uninstall || true

# 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
case "$SHELL" in
*zsh)
install_launcher "$HOME/.zprofile"
;;
esac

# Handle fish shell
if [ -d "$HOME/.config/fish" ]; then
install_launcher_fish "$HOME/.config/fish/config.fish"
fi

# Hush login, since we will handle motd printing
touch "$HOME"/.hushlogin
rm -f "$BYOBU_CONFIG_DIR/disable-autolaunch"

# Update the logout/nologout flag
update_flag

# vi: syntax=sh ts=4 noexpandtab