add additional dockerfile command parsing logic to job create

Author: exdx

lib/jobs/create.js

@@ -196,10 +196,14 @@ function create(params, cb) {
 		delete params.tail;
 	}
 
-	if (params.useDockerfile && params.buildOnly) {
+	if (params.useDockerfile && !params.buildOnly && !params.command) {
+		return ifCliPrintErrorOnly(new Error('Missing required parameter: --command. Use the buildOnly flag or pass a command to execute against the container.'));
+	} else if (params.useDockerfile && params.buildOnly) {
 		params.command = null
-	} else {
+	} else if (params.command) {
 		params.command = Buffer.from(params.command).toString('base64');
+	} else {
+		return ifCliPrintErrorOnly(new Error('Missing required parameter: --command'));
 	}
 
 	// XXX TODO trim leading/trailing spaces from input paths