Handle building from sources instead of go getting

util/version.go

@@ -10,23 +10,32 @@ import (
 )
 
 func GetVersion() string {
-	cmd := exec.Command("git", "describe", "--tags", "--dirty", "--always")
-	gopath, set := os.LookupEnv("GOPATH")
-	if !set {
-		out, err := exec.Command("go", "env", "GOPATH").Output()
-		if err != nil {
-			log.Fatal(err)
+	cmd := exec.Command("git", "remote", "get-url", "origin")
+	cmd.Env = append(os.Environ())
+
+	re := regexp.MustCompile("\\n")
+
+	currentRemoteURLOutput, err := cmd.Output() // determine whether we're building from source
+	currentRemoteURL := re.ReplaceAllString(string(currentRemoteURLOutput), "")
+
+	cmd = exec.Command("git", "describe", "--tags", "--dirty", "--always")
+
+	if !strings.HasSuffix(currentRemoteURL, "cli.git") { // we're not building from source but we are "go getting"
+		gopath, set := os.LookupEnv("GOPATH")
+		if !set {
+			out, err := exec.Command("go", "env", "GOPATH").Output()
+			if err != nil {
+				log.Fatal(err)
+			}
+			gopath = strings.TrimSuffix(string(out), "\n")
 		}
-		gopath = strings.TrimSuffix(string(out), "\n")
+		cmd.Dir = filepath.Join(gopath, "src", "github.com", "project-flogo", "cli")
 	}
-	cmd.Dir = filepath.Join(gopath, "src", "github.com", "project-flogo", "cli")
-	cmd.Env = append(os.Environ())
 
-	out, err := cmd.Output()
+	out, err := cmd.Output() // execute "git describe"
 	if err != nil {
 		log.Fatal(err)
 	}
-	re := regexp.MustCompile("\\n")
 	fc := re.ReplaceAllString(string(out), "")
 
 	return fc