Add extra check for environment variable

Fix rm command for folders.

Author: LePresidente

scripts/install-crowdsec_openresty_bouncer

@@ -4,9 +4,15 @@ BLUE='\E[1;34m'
 CYAN='\E[1;36m'
 YELLOW='\E[1;33m'
 GREEN='\E[1;32m'
+RED='\E[1;31m'
 RESET='\E[0m'
 
-echo -e "${BLUE}❯ ${CYAN}Installing Crowdsec OpenResty Bouncer ${YELLOW}${CROWDSEC_OPENRESTY_BOUNCER_VERSION}...${RESET}"
+echo -e "${BLUE}❯ ${CYAN}Installing Crowdsec OpenResty Bouncer ${YELLOW}${CROWDSEC_OPENRESTY_BOUNCER_VERSION:-}...${RESET}"
+
+if [ "${CROWDSEC_OPENRESTY_BOUNCER_VERSION:-}" = "" ]; then
+	echo -e "${RED}❯ ERROR: CROWDSEC_OPENRESTY_BOUNCER_VERSION environment variable is not set!${RESET}"
+	exit 1
+fi
 
 cd /tmp
 wget "https://github.com/crowdsecurity/cs-openresty-bouncer/releases/download/v${CROWDSEC_OPENRESTY_BOUNCER_VERSION}/crowdsec-openresty-bouncer.tgz"
@@ -17,6 +23,6 @@ cd /tmp/crowdsec
 
 bash ./install.sh --NGINX_CONF_DIR=/etc/nginx/conf.d --LIB_PATH=/etc/nginx/lualib --CONFIG_PATH=/defaults/crowdsec --DATA_PATH=/defaults/crowdsec --docker
 sed -i 's|ENABLED=.*|ENABLED=false|' /defaults/crowdsec/crowdsec-openresty-bouncer.conf
-rm /tmp/crowdsec
+rm -rf /tmp/crowdsec
 
 echo -e "${BLUE}❯ ${GREEN}OpenResty plugins install completed${RESET}"