Version (#16)

* Add build info to output

* Remove extraneous file

Signed-off-by: Peter Broadhurst <peter.broadhurst@kaleido.io>

.travis.yml

@@ -1,5 +1,6 @@
 language: go
-
+env:
+  - BUILD_VERSION=travis-CI
 before_install:
   - sudo add-apt-repository -y ppa:ethereum/ethereum
   - sudo apt-get update

Makefile

@@ -11,7 +11,7 @@ BINARY_WIN=$(BINARY_NAME)-win
 
 all: deps build test
 build: 
-		$(GOBUILD) -tags=prod -o $(BINARY_NAME) -v
+		$(GOBUILD) -ldflags "-X main.buildDate=`date -u +\"%Y-%m-%dT%H:%M:%SZ\"` -X main.buildVersion=$(BUILD_VERSION)" -tags=prod -o $(BINARY_NAME) -v
 test:
 		$(GOTEST)  ./... -cover -coverprofile=coverage.txt -covermode=atomic
 clean: 

cmd/ethconnect.go

@@ -65,10 +65,8 @@ var serverCmdConfig struct {
 }
 
 var rootCmd = &cobra.Command{
-	Use: "ethconnect [sub]",
-	Short: "Connectivity Bridge for Ethereum permissioned chains\n" +
-		"Copyright (C) 2018 Kaleido, a ConsenSys business\n" +
-		"Licensed under the Apache License, Version 2.0",
+	Use:   "ethconnect [sub]",
+	Short: "Connectivity Bridge for Ethereum permissioned chains",
 	PersistentPreRun: func(cmd *cobra.Command, args []string) {
 		initLogging(rootConfig.DebugLevel)
 	},

main.go

@@ -15,12 +15,18 @@
 package main
 
 import (
+	"fmt"
 	"os"
 
 	"github.com/kaleido-io/ethconnect/cmd"
 )
 
+var buildDate, buildVersion string // Set by ldflags
+
 func main() {
+	print("Copyright (C) 2018 Kaleido, a ConsenSys business\n" +
+		"Licensed under the Apache License, Version 2.0\n")
+	print(fmt.Sprintf("Version: %s (Build Date: %s)\n\n", buildVersion, buildDate))
 	exitVal := cmd.Execute()
 	os.Exit(exitVal)
 }