Convert script/configure-web-proxy from POSIX sh to bash

script/configure-web-proxy

@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/bash -e
 
 usage() {
     cat << EOF
@@ -18,7 +18,7 @@ eval set -- "$opts"
 web_proxy="apache"
 while true; do
   case "$1" in
-    -h | --help  ) usage 0; shift ;;
+    -h | --help  ) usage 0 ;;
     -p | --proxy ) web_proxy=${2#*=}; shift ;;
     -- ) shift; break ;;
     * ) break ;;
@@ -27,11 +27,11 @@ done
 
 sed -i -e 's/^.*httpsonly.*$/httpsonly = 0/g' /etc/openqa/openqa.ini
 
-if [ "$web_proxy" = "nginx" ] ; then
+if [[ $web_proxy == "nginx" ]] ; then
 	echo "Setting up nginx"
 	sed "s/openqa.example.com/$(hostname)/" /etc/nginx/vhosts.d/openqa.conf.template > /etc/nginx/vhosts.d/openqa.conf
 	sed -i -e "s/\(^[^#]*server_name  localhost;\)/#\1/" /etc/nginx/nginx.conf
-elif [ "$web_proxy" = "apache" ] || [ "$web_proxy" = "apache2" ] ; then
+elif [[ $web_proxy == "apache" ]] || [[ $web_proxy == "apache2" ]] ; then
 	echo "Setting up apache"
 	for i in headers proxy proxy_http proxy_wstunnel rewrite ; do a2enmod $i ; done
 	sed "s/#ServerName.*$/ServerName $(hostname)/" /etc/apache2/vhosts.d/openqa.conf.template > /etc/apache2/vhosts.d/openqa.conf