misc: update gen-passwords.sh shell code

gen-passwords.sh

@@ -4,12 +4,12 @@ function generatePassword() {
     openssl rand -hex 16
 }
 
-JICOFO_COMPONENT_SECRET=`generatePassword`
-JICOFO_AUTH_PASSWORD=`generatePassword`
-JVB_AUTH_PASSWORD=`generatePassword`
-JIGASI_XMPP_PASSWORD=`generatePassword`
-JIBRI_RECORDER_PASSWORD=`generatePassword`
-JIBRI_XMPP_PASSWORD=`generatePassword`
+JICOFO_COMPONENT_SECRET=$(generatePassword)
+JICOFO_AUTH_PASSWORD=$(generatePassword)
+JVB_AUTH_PASSWORD=$(generatePassword)
+JIGASI_XMPP_PASSWORD=$(generatePassword)
+JIBRI_RECORDER_PASSWORD=$(generatePassword)
+JIBRI_XMPP_PASSWORD=$(generatePassword)
 
 sed -i.bak \
     -e "s#JICOFO_COMPONENT_SECRET=.*#JICOFO_COMPONENT_SECRET=${JICOFO_COMPONENT_SECRET}#g" \
@@ -18,4 +18,4 @@ sed -i.bak \
     -e "s#JIGASI_XMPP_PASSWORD=.*#JIGASI_XMPP_PASSWORD=${JIGASI_XMPP_PASSWORD}#g" \
     -e "s#JIBRI_RECORDER_PASSWORD=.*#JIBRI_RECORDER_PASSWORD=${JIBRI_RECORDER_PASSWORD}#g" \
     -e "s#JIBRI_XMPP_PASSWORD=.*#JIBRI_XMPP_PASSWORD=${JIBRI_XMPP_PASSWORD}#g" \
-    .env
+    "$(dirname "$0")/.env"