From e6299a2322b2a6f7a353e21b9d9b8b3ee5bf70ee Mon Sep 17 00:00:00 2001
From: Dan Janosik <dan@47.io>
Date: Tue, 1 Oct 2019 11:55:34 -0400
Subject: [PATCH] print version/commit info at startup

---
 app.js  | 44 +++++++++++++++++++++++++++++---------------
 bin/www |  4 ++--
 2 files changed, 31 insertions(+), 17 deletions(-)

diff --git a/app.js b/app.js
index 514198e..6c06fc2 100755
--- a/app.js
+++ b/app.js
@@ -45,6 +45,9 @@ var electrumAddressApi = require("./app/api/electrumAddressApi.js");
 var coreApi = require("./app/api/coreApi.js");
 var auth = require('./app/auth.js');
 
+var package_json = require('./package.json');
+global.appVersion = package_json.version;
+
 var crawlerBotUserAgentStrings = [ "Googlebot", "Bingbot", "Slurp", "DuckDuckBot", "Baiduspider", "YandexBot", "Sogou", "Exabot", "facebot", "ia_archiver" ];
 
 var baseActionsRouter = require('./routes/baseActionsRouter');
@@ -137,15 +140,38 @@ function getSourcecodeProjectMetadata() {
 }
 
 
-app.runOnStartup = function() {
+app.onStartup = function() {
 	global.config = config;
 	global.coinConfig = coins[config.coin];
 	global.coinConfigs = coins;
 
-	debugLog(`Running RPC Explorer for ${global.coinConfig.name}`);
+	if (global.sourcecodeVersion == null && fs.existsSync('.git')) {
+		simpleGit(".").log(["-n 1"], function(err, log) {
+			if (err) {
+				utils.logError("3fehge9ee", err, {desc:"Error accessing git repo"});
+
+				debugLog(`Starting ${global.coinConfig.ticker} RPC Explorer, v${global.appVersion} (code: unknown commit)`);
+
+			} else {
+				global.sourcecodeVersion = log.all[0].hash.substring(0, 10);
+				global.sourcecodeDate = log.all[0].date.substring(0, "0000-00-00".length);
+
+				debugLog(`Starting ${global.coinConfig.ticker} RPC Explorer, v${global.appVersion} (commit: '${global.sourcecodeVersion}', date: ${global.sourcecodeDate})`);
+			}
+
+			app.continueStartup();
+		});
+
+	} else {
+		debugLog(`Starting ${global.coinConfig.ticker} RPC Explorer, v${global.appVersion}`);
 
+		app.continueStartup();
+	}
+}
+
+app.continueStartup = function() {
 	var rpcCred = config.credentials.rpc;
-	debugLog(`Connecting via RPC to node at ${rpcCred.host}:${rpcCred.port}`);
+	debugLog(`Connecting to RPC node at ${rpcCred.host}:${rpcCred.port}`);
 
 	var rpcClientProperties = {
 		host: rpcCred.host,
@@ -223,18 +249,6 @@ app.runOnStartup = function() {
 
 	loadMiningPoolConfigs();
 
-	if (global.sourcecodeVersion == null && fs.existsSync('.git')) {
-		simpleGit(".").log(["-n 1"], function(err, log) {
-			if (err) {
-				utils.logError("3fehge9ee", err, {desc:"Error accessing git repo"});
-
-				return;
-			}
-			
-			global.sourcecodeVersion = log.all[0].hash.substring(0, 10);
-			global.sourcecodeDate = log.all[0].date.substring(0, "0000-00-00".length);
-		});
-	}
 
 	if (config.demoSite) {
 		getSourcecodeProjectMetadata();
diff --git a/bin/www b/bin/www
index c6fe1b9..9c34672 100644
--- a/bin/www
+++ b/bin/www
@@ -12,7 +12,7 @@ app.set('host', process.env.BTCEXP_HOST || '127.0.0.1');
 var server = app.listen(app.get('port'), app.get('host'), function() {
 	debug('Express server listening on ' + server.address().address + ':' + server.address().port);
 
-	if (app.runOnStartup) {
-		app.runOnStartup();
+	if (app.onStartup) {
+		app.onStartup();
 	}
 });