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#!/bin/sh
set -euvo pipefail
PIDFILE="/var/run/tailscaled.pid"
__error() {
echo "$@" >&2
exit 1
}
if [[ $# -lt 1 ]] ; then
__error "usage: $0 <init-file>"
fi
init_file="$1"
base_dir=$(dirname $0)
backup_dir="$base_dir/backup"
if [[ -e "$PIDFILE" ]] ; then
sudo start-stop-daemon -K -p $PIDFILE || true
fi
__backup_if_exist() {
backup_dir=$1
shift
mkdir -p $backup_dir
for f in $@ ; do
if [[ -e $f ]] ; then
cp -r $f $backup_dir/
fi
done
}
__backup_if_exist $backup_dir /usr/local/bin/tailscale /usr/local/sbin/tailscaled /usr/local/etc/init.d/$init_file
sudo cp $base_dir/tailscale /usr/local/bin/tailscale
sudo cp $base_dir/tailscaled /usr/local/sbin/tailscaled
sudo cp $base_dir/$init_file /usr/local/etc/init.d/$init_file
sudo chmod +x /usr/local/bin/tailscale
sudo chmod +x /usr/local/sbin/tailscaled
sudo chmod +x /usr/local/etc/init.d/$init_file
sudo /usr/local/etc/init.d/$init_file
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