Rebuild sftp addon after an apptask

src/apptaskmanager.js

@@ -12,6 +12,7 @@ let assert = require('assert'),
     safe = require('safetydance'),
     path = require('path'),
     paths = require('./paths.js'),
+    sftp = require('./sftp.js'),
     tasks = require('./tasks.js');
 
 let gActiveTasks = { }; // indexed by app id
@@ -74,6 +75,11 @@ function scheduleTask(appId, taskId, callback) {
 
         delete gActiveTasks[appId];
         locker.unlock(locker.OP_APPTASK); // unlock event will trigger next task
+
+        // post app task hooks
+        sftp.rebuild({}, function (error) {
+            if (error) console.error('Unable to rebuild sftp:', error);
+        });
     });
 }