Improve comments and default for mode.

command_line.js

@@ -8,14 +8,15 @@ const parseArgs = require("minimist");
 
 const DEFAULT = {
 	PORT: 8080,
-	LOGLEVEL: log.levels.INFO
+	LOGLEVEL: log.levels.INFO,
+	MODE: "444"
 };
 
 const options = [
 	{ name: "blacklist", param: "item", desc: `Regex describing files which should not be included in the rendering.` },
 	{ name: "cert", param: "cert", desc: `SSL Certificate to use.` },
 	{ name: "key", param: "key", desc: `SSL Key to use.` },
-	{ name: "drop", param: "toUid:toGid", desc: `The uid and gid that the process should become as soon as possible.` },
+	{ name: "drop", param: "toUid:toGid", desc: `The uid and gid, separated by a colon, that the process should become as soon as possible.` },
 	{ name: "early", param: "urlToEarlyRender", desc: `A URL that should be rendered before listening for requests. Specify multiple times for many URLs.` },
 	{ name: "loglevel", param: "0-5", desc: `Set log levels (according to the loglevel package) to this number. Default is ${DEFAULT.LOGLEVEL}.` },
 	{ name: "map", param: "hostMapping", desc: `Array of JSON objects with from and to properties.` },
@@ -24,12 +25,12 @@ const options = [
 	{ name: "public", param: "staticFileDirectory", desc: `Serve static files from this directory.` },
 	{ name: "copyToDir", param: "directoryToPutRenderedFile", desc: `Generate a file for each page that is rendered.` },
 	{ name: "fileExt", param: "extension", desc: `Add extension to all files that are generated. For instance, it might be useful to add ".html".` },
-	{ name: "mode", param: "fileMode", desc: `Sets the file mode to be set when files are written.` },
+	{ name: "mode", param: "fileMode", desc: `Sets the file mode to be set when files are written. Default is (octal) ${DEFAULT.MODE}.` },
 
 	{ name: "compress", desc: `Allows on the fly compression of reponses.` },
 	{ name: "headfull", desc: `Show the normally headless chrome. Useful for debugging.` },
 	{ name: "help", desc: `Show the usage description.` },
-	{ name: "noserver", desc: `Don't start a server to listen for incoming requests. In other words, just run with files.` },
+	{ name: "noserver", desc: `Don't start a server to listen for incoming requests. In other words, just run as a prerender.` },
 ];
 
 const opts = {
@@ -73,7 +74,7 @@ parsed.port = parsed.port ? parseInt(parsed.port) : DEFAULT.PORT;
 parsed.public = parsed.public && path.resolve(parsed.public);
 parsed.headless = !parsed.headfull;
 parsed.server = !parsed.noserver;
-parsed.mode = parsed.mode || "444";
+parsed.mode = parsed.mode || DEFAULT.MODE;
 parsed.fileExt = parsed.fileExt || "";
 
 try {