add rsync

rsync/bootstrap.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+if ! [[ -z "${AUTH_PASSWORD}" ]]; then
+	echo "$AUTH_PASSWORD" > /etc/rsyncd.secret
+	if ! [[ -z "${AUTH_USER}" ]]; then
+		echo "$AUTH_USER:$AUTH_PASSWORD" > /etc/rsyncd.secrets
+		chmod 600 /etc/rsyncd.secrets
+	fi
+fi
+
+if [ -d /config/ ]; then
+	cp /config/rsync* /etc/
+fi
+
+if ! [[ -z $@ ]]; then
+	# use eval because commands likes `key=value command` would cause file not found error when using $@, but this eval will ruin current environment
+	eval $@
+else
+	rsync --daemon --config=/etc/rsyncd.conf
+	while pgrep rsync > /dev/null; do sleep 1; done
+fi