runit.sh update

Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>

nextcloud_devenv/runit.sh

@@ -8,6 +8,10 @@ toolsdir=$(pwd)
 source metascript.sh
 popd >/dev/null
 
+usage() {
+    cat runit.README.md
+}
+
 while [[ $# > 0 ]]
 do
     case "$1" in
@@ -21,6 +25,13 @@ do
     shift
 done
 
+if [[ -z $action ]]
+then
+    log_warn "Missing arguments"
+    
+    usage
+    exit 0
+fi
 metarun=metarun
 metasudo=sudo