PT-2165 actual version, go version, and build for go tools (#603)

* PT-2165 - Actual Version, GoVersion, and Build for Go tools

Removed outdated numbers from main.go, because we update these numbers in the Makefile.

* PT-2165 - Actual Version, GoVersion, and Build for Go tools

Added template version into Makefile for the latest tag.

src/go/pt-secure-collect/Makefile

@@ -1,6 +1,7 @@
 GO := go
 pkgs   = $(shell basename `git rev-parse --show-toplevel`)
-VERSION ?=$(shell git describe --abbrev=0)
+# VERSION ?=$(shell git describe --abbrev=0) doesn't always work here, need to use git log
+VERSION ?=$(shell git log --no-walk --tags --pretty="%H %d" --decorate=short | head -n1 | awk  -F'[, ]' '{ print $$4; }')
 BUILD ?=$(shell date +%FT%T%z)
 GOVERSION ?=$(shell go version | cut --delimiter=" " -f3)
 COMMIT ?=$(shell git rev-parse HEAD)

src/go/pt-secure-collect/main.go

@@ -84,10 +84,11 @@ var (
 		"pt-mysql-summary --host=$mysql-host --port=$mysql-port --user=$mysql-user --password=$mysql-pass",
 	}
 
-	Build     string = "2020-04-23" //nolint
-	GoVersion string = "1.14.1"     //nolint
-	Version   string = "3.5.1"      //nolint
-	Commit    string                //nolint
+	// We do not set anything here, these variables are defined by the Makefile
+	Build     string //nolint
+	GoVersion string //nolint
+	Version   string //nolint
+	Commit    string //nolint
 )
 
 func main() {