Do things the "Go" way

Makefile

 all:
 	@mkdir -p bin/
-	go build -o bin/packer packer/bin-packer
+	go build -o bin/packer
 
 .PHONY: all

src/packer/bin-packer/main.go → packer.go

@@ -2,11 +2,7 @@
 package main
 
 import (
-	"fmt"
-	"os"
 )
 
 func main() {
-	fmt.Printf("%#v\n", os.Args)
-	fmt.Println("Hello, world.")
 }

setup.sh

-#!/usr/bin/env bash
-
-# Get the full path to the directory where this script is, because
-# GOPATH prefers full paths.
-SOURCE="${BASH_SOURCE[0]}"
-while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
-DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
-
-# Setup our GOPATH
-echo "Setting GOPATH to: ${DIR}"
-export GOPATH="${DIR}"