fix(param): prevent overwrite root alias if exists

Author: marjune163

src/param/main.go

@@ -80,8 +80,7 @@ func normalize(p *Param) {
 	_, hasRootBind := p.Binds["/"]
 	if hasRootAlias || hasRootBind {
 		p.EmptyRoot = false
-	}
-	if p.EmptyRoot {
+	} else if p.EmptyRoot {
 		p.Root = os.DevNull
 		p.Aliases["/"] = os.DevNull
 	} else {

test/case/005.alias.empty.root.alias.root.bash

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+source "$root"/lib.bash
+
+"$ghfs" -l 3003 -R -a :/:"$fs"/vhost1 &
+sleep 0.05 # wait server ready
+
+file1status=$(curl_get_status http://127.0.0.1:3003/file1.txt)
+assert "$file1status" '200'
+
+file1headstatus=$(curl_head_status http://127.0.0.1:3003/file1.txt)
+assert "$file1headstatus" '200'
+
+jobs -p | xargs kill