upd(v2 codegen): add perm generator, rename

codegen/v2/gen-permissions.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/crusttech/crust/internal/rbac"
+)
+
+func main() {
+	var (
+		pkg    = flag.String("package", "main", "Package name")
+		input  = flag.String("input", "", "Input .json filename")
+		output = flag.String("output", "", "Output .go filename")
+		fname  = flag.String("function", "func Permissions() []rbac.OperationGroup", "Default function declaration")
+	)
+	flag.Parse()
+
+	export := func(s string) string {
+		s = strings.Replace(s, "true,", "true,\n", -1)
+		s = strings.Replace(s, "false,", "false,\n", -1)
+		s = strings.Replace(s, "{", "{\n", -1)
+		s = strings.Replace(s, "}", ",\n}", -1)
+		s = strings.Replace(s, "\", ", "\",\n", -1)
+
+		var w bytes.Buffer
+
+		fmt.Fprintln(&w, "package", *pkg)
+		fmt.Fprintln(&w)
+		fmt.Fprintln(&w, "import \"github.com/crusttech/crust/internal/rbac\"")
+		fmt.Fprintln(&w)
+		fmt.Fprintln(&w, "/* File is generated from", *input, "& main.go */")
+		fmt.Fprintln(&w)
+		fmt.Fprintln(&w, *fname, "{")
+		fmt.Fprintln(&w, "\treturn", s)
+		fmt.Fprintln(&w, "}")
+
+		return w.String()
+	}
+
+	var result []rbac.OperationGroup
+	f, err := os.Open(*input)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err := json.NewDecoder(f).Decode(&result); err != nil {
+		log.Fatal(err)
+	}
+	source := export(fmt.Sprintf("%#v", result))
+	if err := ioutil.WriteFile(*output, []byte(source), 0644); err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println(*output)
+}

codegen/v2/gen-type-set.go

@@ -142,6 +142,7 @@ func main() {
 			if output, err = os.Create(outputFile); err != nil {
 				exit(err)
 			}
+			fmt.Println(outputFile)
 			defer output.(io.Closer).Close()
 		}