feat: display version info when starting daemon (#1915)

Similar to what go-ipfs is now doing this prints the js-ipfs version, system arch/platform and Node.js version when a daemon is started.

Repo version is not yet included (but also unnecessary right now as we don't have repo migrations yet).

License: MIT
Signed-off-by: Alan Shaw <alan.shaw@protocol.ai>

src/cli/commands/daemon.js

@@ -1,5 +1,6 @@
 'use strict'
 
+const os = require('os')
 const { getRepoPath, print, ipfsPathHelp } = require('../utils')
 
 module.exports = {
@@ -35,6 +36,9 @@ module.exports = {
   handler (argv) {
     argv.resolve((async () => {
       print('Initializing IPFS daemon...')
+      print(`js-ipfs version: ${require('../../../package.json').version}`)
+      print(`System version: ${os.arch()}/${os.platform()}`)
+      print(`Node.js version: ${process.versions.node}`)
 
       const repoPath = getRepoPath()
 

test/cli/daemon.js

@@ -9,6 +9,7 @@ const os = require('os')
 const path = require('path')
 const hat = require('hat')
 const fs = require('fs')
+const pkg = require('../../package.json')
 
 const skipOnWindows = isWindows() ? it.skip : it
 
@@ -209,4 +210,26 @@ describe('daemon', () => {
       done()
     })
   })
+
+  it('should print version info', async () => {
+    await ipfs('init')
+
+    const out = await new Promise(resolve => {
+      const res = ipfs('daemon')
+      let out = ''
+
+      res.stdout.on('data', function onData (data) {
+        out += data
+        if (out.includes('Daemon is ready')) {
+          res.stdout.removeListener('data', onData)
+          res.kill()
+          resolve(out)
+        }
+      })
+    })
+
+    expect(out).to.include(`js-ipfs version: ${pkg.version}`)
+    expect(out).to.include(`System version: ${os.arch()}/${os.platform()}`)
+    expect(out).to.include(`Node.js version: ${process.versions.node}`)
+  })
 })