Allow setting port and dir

Per netlify#191

src/commands/dev/index.js

@@ -184,13 +184,19 @@ class DevCommand extends Command {
  }
  process.env.NETLIFY_DEV = "true";
 
- let settings = await serverSettings(Object.assign({}, config.dev, flags));
+ let settings = await serverSettings(Object.assign({}, config.dev, {
+ command: flags.command,
+ port: flags.port,
+ functions: flags.functions,
+ publish: flags.dir,
+ }));
 
  if (!(settings && settings.command)) {
  this.log(
  `${NETLIFYDEVWARN} No dev server detected, using simple static server`
  );
  let dist =
+ flags.dir ||
  (config.dev && config.dev.publish) ||
  (config.build && config.build.publish);
  if (!dist) {
@@ -211,7 +217,7 @@ class DevCommand extends Command {
  }
  settings = {
  noCmd: true,
- port: 8888,
+ port: flags.port || 8888,
  proxyPort: 3999,
  dist
  };
@@ -296,7 +302,7 @@ DevCommand.strict = false;
 DevCommand.flags = {
  command: flags.string({ char: "c", description: "command to run" }),
  port: flags.integer({ char: "p", description: "port of netlify dev" }),
- dir: flags.integer({ char: "d", description: "dir with static files" }),
+ dir: flags.string({ char: "d", description: "dir with static files" }),
  functions: flags.string({
  char: "f",
  description: "Specify a functions folder to serve"