Reimplement getpkgbuild

Futre todos:
	Add option to fetch deps
	Add option to set download path

cmd.go

@@ -241,6 +241,8 @@ func handleCmd(parser *argParser) (changedConfig bool, err error) {
 		passToPacman(parser)
 	case "U", "upgrade":
 		passToPacman(parser)
+	case "G", "getpkgbuild":
+		err = handleGetpkgbuild(parser)
 	case "Y", "--yay":
 		err = handleYay(parser)
 	default:
@@ -349,6 +351,20 @@ func handleYay(parser *argParser) (err error) {
 	return
 }
 
+func handleGetpkgbuild(parser *argParser) (err error) {
+	for pkg := range parser.targets {
+			err = getPkgbuild(pkg)
+			if err != nil {
+				//we print the error instead of returning it
+				//seems as we can handle multiple errors without stoping
+				//theres no easy way arround this right now
+				fmt.Println(pkg + ":", err)
+			}
+		}
+	
+	return
+}
+
 func handleYogurt(parser *argParser) (err error) {
 //	TODO
 //	_, options, targets := parser.formatArgs()

parser.go

@@ -7,19 +7,21 @@ import (
 	"io"
 )
 
+type set  map[string]struct{}
+
 type argParser struct {
 	op string
 	options map[string]string
-	doubles map[string]struct{} //tracks args passed twice such as -yy and -dd
-	targets map[string]struct{}
+	doubles set //tracks args passed twice such as -yy and -dd
+	targets set
 }
 
 func makeArgParser() *argParser {
 	return &argParser {
 		"",
 		make(map[string]string),
-		make(map[string]struct{}),
-		make(map[string]struct{}),
+		make(set),
+		make(set),
 	}
 }