Add CLI flag for offline mode (using temporary hack with globals)

index.js

@@ -8,12 +8,19 @@ const path = require('path')
 
 const config = yargs
   .env('OASIS')
+  .help('h')
+  .alias('h', 'help')
   .usage('Usage: $0 [options]')
   .options('open', {
-    describe: 'Automatically open app in web browser',
+    describe: 'Automatically open app in web browser.  Use --no-open to disable.',
     default: true,
     type: 'boolean'
   })
+  .options('offline', {
+    describe: "Don't try to connect to scuttlebutt peers or pubs",
+    default: false,
+    type: 'boolean'
+  })
   .options('host', {
     describe: 'Hostname for web app to listen on',
     default: 'localhost',
@@ -42,6 +49,9 @@ if (config.debug) {
   process.env.DEBUG = 'oasis,oasis:*'
 }
 
+// Awful hack to get the offline config setting deep into src/pages/models/lib/server.js
+process.env.OASIS_OFFLINE = '' + config.offline
+
 const app = require('./src/app')
 
 const start = async () => {

src/pages/models/lib/server.js

@@ -1,5 +1,22 @@
 const ssbConfig = require('ssb-config')
 const flotilla = require('@fraction/flotilla')
+const debug = require('debug')('oasis')
+
+// Awful hack to get make offline CLI flag available here.
+// It's set in index.js
+const offline = process.env.OASIS_OFFLINE === 'true'
+if (offline) {
+  debug.enabled = true
+  debug('Offline mode activated - not connecting to scuttlebutt peers or pubs')
+}
+
+const server = flotilla({
+  conn: {
+    autostart: !offline
+  },
+  ws: {
+    http: false
+  }
+})
 
-const server = flotilla({ ws: { http: false } })
 server(ssbConfig)