Cleaning up the codebase.

fileutil/fileutil.go

@@ -1,10 +1,11 @@
+//go:build !windows
+// +build !windows
+
 // Package fileutil contains common file functions.
 package fileutil
 
 import (
 	"os"
-	"path/filepath"
-	"strings"
 
 	"golang.org/x/sys/unix"
 )
@@ -47,10 +48,3 @@ const (
 func Access(path string, mode int) error {
 	return unix.Access(path, uint32(mode))
 }
-
-// ValidateSymlink checks to make sure a symlink exists in some top-level
-// directory.
-func ValidateSymlink(symlink, topLevel string) bool {
-	target, err := filepath.EvalSymlinks(symlink)
-	return strings.HasPrefix(target, topLevel)
-}