Add latest commit info reachable through API

helpers/git.js

@@ -0,0 +1,15 @@
+'use strict';
+var childProcess = require('child_process');
+
+function getLastCommit() {
+    try {
+        return childProcess.execSync('git rev-parse HEAD').toString().trim();
+    }
+    catch (err) {
+        return '';
+    }
+}
+
+module.exports = {
+    getLastCommit: getLastCommit
+};

modules/peers.js

@@ -6,6 +6,7 @@ var constants = require('../helpers/constants.js');
 var extend = require('extend');
 var fs = require('fs');
 var ip = require('ip');
+var git = require('../helpers/git.js');
 var OrderBy = require('../helpers/orderBy.js');
 var path = require('path');
 var Peer = require('../logic/peer.js');
@@ -544,7 +545,11 @@ shared.getPeer = function (req, cb) {
 };
 
 shared.version = function (req, cb) {
-	return setImmediate(cb, null, {version: library.config.version, build: library.build});
+	return setImmediate(cb, null, {
+		build: library.build,
+		commit: git.getLastCommit(),
+		version: library.config.version
+	});
 };
 
 // Export

test/api/peers.js

@@ -8,6 +8,7 @@ describe('GET /api/peers/version', function () {
 		node.get('/api/peers/version', function (err, res) {
 			node.expect(res.body).to.have.property('success').to.be.ok;
 			node.expect(res.body).to.have.property('build').to.be.a('string');
+			node.expect(res.body).to.have.property('commit').to.be.a('string');
 			node.expect(res.body).to.have.property('version').to.be.a('string');
 			done();
 		});