Update dependencies

lib/scaffold.js

@@ -23,8 +23,8 @@ const COVER_MIMETYPE = "image/png";
 
 module.exports = function (scaffoldingPath, bookPath, contentPath, chaptersPath, manifestPath) {
   return Promise.all([
-    cpr(scaffoldingPath, bookPath, { filter: noThumbs }),
     getChapters(contentPath, chaptersPath, manifestPath).then(function (chapters) {
+    cpr(scaffoldingPath, bookPath, { overwrite: true, confirm: true, filter: noThumbs }),
       return Promise.all([
         writeOpf(chapters, contentPath),
         writeNcx(chapters, contentPath)

lib/worm-scraper.js

@@ -23,30 +23,35 @@ const argv = yargs
     alias: "start-url",
     default: "https://parahumans.wordpress.com/2011/06/11/1-1/",
     describe: "the URL from which to start crawling, for the download command",
-    requiresArg: true
+    requiresArg: true,
+    global: true
   })
   .option("c", {
     alias: "cache-directory",
     default: "cache",
     describe: "cache directory, for the download and convert commands",
-    requiresArg: true
+    requiresArg: true,
+    global: true
   })
   .option("b", {
     alias: "book-directory",
     default: "book",
     describe: "directory in which to assemble the EPUB files before zipping, for the convert, scaffold, and zip " +
               "commands",
-    requiresArg: true
+    requiresArg: true,
+    global: true
   })
   .option("o", {
     alias: "out",
     default: "Worm.epub",
     describe: "output file destination, for the zip command",
-    requiresArg: true
+    requiresArg: true,
+    global: true
   })
-  .require(1) // TODO remove and allow all
-  .addHelpOpt("help")
-  .version(packageJson.version, "version")
+  .demandCommand(1) // TODO remove and allow all
+  .recommendCommands()
+  .help()
+  .version()
   .argv;
 
 const cachePath = path.resolve(argv.cacheDirectory);