fix: only try to initialize if not init already

Author: victorb

src/core/boot.js

@@ -49,7 +49,16 @@ module.exports = (self) => {
 
   if (doInit) {
     self.log('boot:doInit')
-    tasks.push((cb) => self.init(initOptions, cb))
+    tasks.push((cb) => {
+      self._repo.exists((err, exists) => {
+        if (err) cb(err)
+        if (exists) {
+          maybeOpenRepo(cb)
+        } else {
+          self.init(initOptions, cb)
+        }
+      })
+    })
     next(null, true)
   } else if (!repoOpen) {
     self._repo.exists(next)

test/core/create-node.spec.js

@@ -203,4 +203,19 @@ describe('create node', () => {
       (cb) => node.stop(cb)
     ], done)
   })
+
+  it('can start node twice without crash', (done) => {
+    const repo = createTempRepo()
+    let node = new IPFS({repo, config: {Bootstrap: []}})
+    series([
+      (cb) => node.once('start', cb),
+      (cb) => node.stop(cb),
+      (cb) => {
+        node = new IPFS({repo, config: {Bootstrap: []}})
+        node.on('error', cb)
+        node.once('start', cb)
+      },
+      (cb) => node.stop(cb)
+    ], done)
+  })
 })