Use go templates to generate code

.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+
+[*.go]
+indent_style = tab
+
+[*.twig]
+indent_style = tab

cmd/ggraphqlc/basedir.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/user"
+	"path/filepath"
+	"strings"
+)
+
+var templateDir = func() string {
+	var gopath = os.Getenv("GOPATH")
+	if gopath == "" {
+		usr, err := user.Current()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "cannot determine home dir: %s\n", err.Error())
+			os.Exit(1)
+		}
+		gopath = filepath.Join(usr.HomeDir, "go")
+	}
+	for _, path := range strings.Split(gopath, ":") {
+		if path != "" {
+			abspath, _ := filepath.Abs(filepath.Join(path, "src", "github.com", "vektah", "graphql-go"))
+			fmt.Println(abspath)
+			if dirExists(abspath) {
+				return abspath
+			}
+		}
+	}
+
+	fmt.Fprintln(os.Stderr, "cannot determine base of github.com/vektah/grapqhl-go")
+	os.Exit(1)
+	return ""
+}()
+
+func dirExists(path string) bool {
+	fi, err := os.Stat(path)
+	return !os.IsNotExist(err) && fi.IsDir()
+}