Add check for installing golint before running it

magefile.go

@@ -173,6 +173,19 @@ func runAndStreamOutput(cmd string, args ...string) {
 	}
 }
 
+// Will check if the tool exists and if not install it from the provided import path
+// If any errors occur, it will exit with a status code of 1.
+func checkAndInstallGoTool(tool, importPath string) {
+	if err := exec.Command(tool).Run(); err != nil {
+		fmt.Printf("%s not installed, installing %s...\n", tool, importPath)
+		if err := exec.Command("go", "install", Goflags[0], importPath).Run(); err != nil {
+			fmt.Printf("Error installing %s\n", tool)
+			os.Exit(1)
+		}
+		fmt.Println("Installed.")
+	}
+}
+
 // Cleans all build, executable and bindata files.
 func Clean() error {
 	if err := exec.Command("go", "clean", "./...").Run(); err != nil {
@@ -235,7 +248,9 @@ func FmtCheck() error {
 }
 
 func Lint() {
-
+	checkAndInstallGoTool("golint", "golang.org/x/lint/golint")
+	args := append([]string{"-set_exit_status"}, ApiPackages...)
+	runAndStreamOutput("golint", args...)
 }
 
 // Generates static content into the final binary