From b422f498bf3053bdc69c62a9946f047dfb09e125 Mon Sep 17 00:00:00 2001
From: Stefan Majewsky <majewsky@gmx.net>
Date: Tue, 4 Apr 2017 20:11:19 +0200
Subject: prepare subcommand structure

---
 main.go | 55 +++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 45 insertions(+), 10 deletions(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index 153fdb9..012667e 100644
--- a/main.go
+++ b/main.go
@@ -1,28 +1,63 @@
 /*******************************************************************************
 *
-* Copyright 2015 Stefan Majewsky <majewsky@gmx.net>
+* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
 *
-* This file is part of Holo.
-*
-* Holo is free software: you can redistribute it and/or modify it under the
-* terms of the GNU General Public License as published by the Free Software
+* This program is free software: you can redistribute it and/or modify it under
+* the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
-* Holo is distributed in the hope that it will be useful, but WITHOUT ANY
+* This program is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
-* Holo. If not, see <http://www.gnu.org/licenses/>.
+* this program. If not, see <http://www.gnu.org/licenses/>.
 *
 *******************************************************************************/
 
 package main
 
-import "fmt"
+import (
+	"fmt"
+	"os"
+)
 
 func main() {
-	fmt.Println("WARNING: unfinished")
-	ReadIndex().Write()
+	if len(os.Args) == 1 {
+		usageAndExit()
+	}
+	switch os.Args[1] {
+	case "get":
+		panic("unimplemented")
+	case "drop":
+		panic("unimplemented")
+	case "index":
+		if len(os.Args) != 2 {
+			usageAndExit()
+		}
+		commandIndex()
+	case "repos":
+		panic("unimplemented")
+	case "remotes":
+		panic("unimplemented")
+	case "import":
+		panic("unimplemented")
+	case "each":
+		panic("unimplemented")
+	default:
+		usageAndExit()
+	}
+}
+
+func usageAndExit() {
+	fmt.Fprintln(os.Stderr, "Usage:")
+	fmt.Fprintln(os.Stderr, "  rtree [get|drop] <url>")
+	fmt.Fprintln(os.Stderr, "  rtree [index|repos|remotes]")
+	fmt.Fprintln(os.Stderr, "  rtree import <path>")
+	fmt.Fprintln(os.Stderr, "  rtree each <command>")
+	os.Exit(1)
+}
+
+func commandIndex() {
 }
-- 
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