Correctly propagate file sources between hubs

Author: pajama-coder

agent/mesh.js

@@ -933,6 +933,7 @@ export default function (rootDir, listen, config, onConfigUpdate) {
         hubActive.forEach(h => h.leave())
         searchHub().then(hub => {
           hubActive[0] = Hub(hub.id, hub.zone, hub.port)
+          advertiseFilesystem()
           new Timeout(1).wait().then(monitorHub)
         })
       } else {
@@ -1295,6 +1296,7 @@ export default function (rootDir, listen, config, onConfigUpdate) {
             var port = hub.ports.reduce((a, b) => a.ping < b ? a : b)
             hubActive.forEach(h => h.leave())
             hubActive[0] = Hub(hub.id, hub.zone, port.name)
+            advertiseFilesystem()
           }
         }
       )

hub/main.js

@@ -408,6 +408,7 @@ function start(listen, bootstrap) {
       get: {
         endpoints: (id, name, user, keyword, limit, offset) => listEndpoints(id, name, user, keyword, limit, offset),
         files: () => dumpFileSystem(),
+        fileSources: (path) => dumpFileSources(path),
         acl: () => dumpACL(),
         evictions: () => evictions,
       },
@@ -1544,6 +1545,15 @@ function dumpFileSystem() {
   return all
 }
 
+function dumpFileSources(path) {
+  var f = files[path]
+  if (f) {
+    return [...f['@']]
+  } else {
+    return []
+  }
+}
+
 function makeFileInfo(hash, size, time, since) {
   return {
     '#': hash,