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	diff --git a/entrypoint.sh b/entrypoint.sh
	index 14134b2..e6ea4a8 100755
	--- a/entrypoint.sh
	+++ b/entrypoint.sh
	@@ -1,82 +1,79 @@
	#!/bin/bash
	set -e

	if [ -z "$MYSQL_PORT_3306_TCP_ADDR" ]; then
	echo >&2 'error: missing MYSQL_PORT_3306_TCP environment variable'
	echo >&2 ' Did you forget to --link some_mysql_container:mysql ?'
	exit 1
	fi

	# if we're linked to MySQL, and we're using the root user, and our linked
	# container has a default "root" password set up and passed through... :)
	-: ${ETHERPAD_DB_USER:=root}
	+: "${ETHERPAD_DB_USER:=root}"
	if [ "$ETHERPAD_DB_USER" = 'root' ]; then
	- : ${ETHERPAD_DB_PASSWORD:=$MYSQL_ENV_MYSQL_ROOT_PASSWORD}
	+ : "${ETHERPAD_DB_PASSWORD:=$MYSQL_ENV_MYSQL_ROOT_PASSWORD}"
	fi
	-: ${ETHERPAD_DB_NAME:=etherpad}
	-
	-ETHERPAD_DB_NAME=$( echo $ETHERPAD_DB_NAME \| sed 's/\./_/g' )
	+: "${ETHERPAD_DB_NAME:=etherpad}"

	if [ -z "$ETHERPAD_DB_PASSWORD" ]; then
	echo >&2 'error: missing required ETHERPAD_DB_PASSWORD environment variable'
	echo >&2 ' Did you forget to -e ETHERPAD_DB_PASSWORD=... ?'
	echo >&2
	echo >&2 ' (Also of interest might be ETHERPAD_DB_USER and ETHERPAD_DB_NAME.)'
	exit 1
	fi

	-: ${ETHERPAD_TITLE:=Etherpad}
	-: ${ETHERPAD_PORT:=9001}
	-: ${ETHERPAD_SESSION_KEY:=$(
	- node -p "require('crypto').randomBytes(32).toString('hex')")}
	+: "${ETHERPAD_TITLE:=Etherpad}"
	+: "${ETHERPAD_PORT:=9001}"
	+: "${ETHERPAD_SESSION_KEY:=$(node -p "require('crypto').randomBytes(32).toString('hex')")}"

	# Check if database already exists
	-RESULT=`mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} \
	+RESULT=$(mysql -u"${ETHERPAD_DB_USER}" -p"${ETHERPAD_DB_PASSWORD}" \
	-hmysql --skip-column-names \
	- -e "SHOW DATABASES LIKE '${ETHERPAD_DB_NAME}'"`
	+ -e "SHOW DATABASES LIKE '${ETHERPAD_DB_NAME}'")

	-if [ "$RESULT" != $ETHERPAD_DB_NAME ]; then
	+if [ "$RESULT" != "$ETHERPAD_DB_NAME" ]; then
	# mysql database does not exist, create it
	echo "Creating database ${ETHERPAD_DB_NAME}"

	- mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} -hmysql \
	+ mysql -u"${ETHERPAD_DB_USER}" -p"${ETHERPAD_DB_PASSWORD}" -hmysql \
	-e "create database ${ETHERPAD_DB_NAME}"
	fi

	if [ ! -f settings.json ]; then

	cat <<- EOF > settings.json
	{
	"title": "${ETHERPAD_TITLE}",
	"ip": "0.0.0.0",
	"port" :${ETHERPAD_PORT},
	"sessionKey" : "${ETHERPAD_SESSION_KEY}",
	"dbType" : "mysql",
	"dbSettings" : {
	"user" : "${ETHERPAD_DB_USER}",
	"host" : "mysql",
	"password": "${ETHERPAD_DB_PASSWORD}",
	"database": "${ETHERPAD_DB_NAME}"
	},
	EOF

	- if [ $ETHERPAD_ADMIN_PASSWORD ]; then
	+ if [ "$ETHERPAD_ADMIN_PASSWORD" ]; then

	- : ${ETHERPAD_ADMIN_USER:=admin}
	+ ": ${ETHERPAD_ADMIN_USER:=admin}"

	cat <<- EOF >> settings.json
	"users": {
	"${ETHERPAD_ADMIN_USER}": {
	"password": "${ETHERPAD_ADMIN_PASSWORD}",
	"is_admin": true
	}
	},
	EOF
	fi

	cat <<- EOF >> settings.json
	}
	EOF
	fi

	exec "$@"

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