Renaming platform binary to mattermost. (#8801)

cmd/platform/main.go

@@ -0,0 +1,39 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"syscall"
+)
+
+func findMattermostBinary() string {
+	for _, file := range []string{"./mattermost", "../mattermost", "./bin/mattermost"} {
+		path, _ := filepath.Abs(file)
+		if stat, err := os.Stat(path); err == nil && !stat.IsDir() {
+			return path
+		}
+	}
+	return "./mattermost"
+}
+
+func main() {
+	// Print angry message to use mattermost command directly
+	fmt.Println(`
+------------------------------------ ERROR ------------------------------------------------
+The platform binary has been deprecated, please switch to using the new mattermost binary.
+The platform binary will be removed in a future version.
+-------------------------------------------------------------------------------------------
+	`)
+
+	// Execve the real MM binary
+	args := os.Args
+	args[0] = "mattermost"
+	args = append(args, "--platform")
+	if err := syscall.Exec(findMattermostBinary(), args, nil); err != nil {
+		fmt.Println("Could not start Mattermost, use the mattermost command directly.")
+	}
+}