nginx

#!/bin/bash

FILE_NGINX_CONFIG=${FILE_NGINX_CONFIG:-/etc/nginx/sites-available/pixieboot.conf}
FILE_NGINX_CONFIGLINK=${FILE_NGINX_CONFIGLINK:-/etc/nginx/sites-enabled/pixieboot.conf}
CMD_RELOAD_NGINX=${CMD_RELOAD_NGINX:-"nginx -s reload"}

function die(){  warn $*; exit 1; }
function warn(){ echo $* >&2; }

checksum(){
	sha1sum $* 2>/dev/null
}

checksum_old=$(checksum $FILE_NGINX_CONFIGLINK)

cat > $FILE_NGINX_CONFIG <<-END
server {
        listen $NFSHOST:80 default;

        root $NFSPREFIX;

        access_log /var/log/nginx/pixieboot-access.log;
        error_log  /var/log/nginx/pixieboot-error.log;

        index index.html index.htm index.php;

        autoindex on;
        autoindex_exact_size off;
        autoindex_localtime on;

        location ~ /\.ht {
                deny  all;
        }
}
END

#[ -L $FILE_NGINX_CONFIGLINK ] && rm $FILE_NGINX_CONFIGLINK
ln -sT $FILE_NGINX_CONFIG $FILE_NGINX_CONFIGLINK

checksum_new=$(checksum $FILE_NGINX_CONFIGLINK)

if [[ "$checksum_old" != "$checksum_new" ]]; then
	echo "nginx's configuration changed. Reloading."
	${CMD_RELOAD_NGINX} || warn "Reloading nginx configuration failed."
fi