mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-25 07:03:03 +00:00
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright 2016 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
//go:build !windows
|
|
|
|
package testenv
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
)
|
|
|
|
func hasSymlink() (ok bool, reason string) {
|
|
switch runtime.GOOS {
|
|
case "plan9":
|
|
return false, ""
|
|
case "android", "wasip1":
|
|
// For wasip1, some runtimes forbid absolute symlinks,
|
|
// or symlinks that escape the current working directory.
|
|
// Perform a simple test to see whether the runtime
|
|
// supports symlinks or not. If we get a permission
|
|
// error, the runtime does not support symlinks.
|
|
dir, err := os.MkdirTemp("", "")
|
|
if err != nil {
|
|
return false, ""
|
|
}
|
|
defer func() {
|
|
_ = os.RemoveAll(dir)
|
|
}()
|
|
fpath := filepath.Join(dir, "testfile.txt")
|
|
if err := os.WriteFile(fpath, nil, 0644); err != nil {
|
|
return false, ""
|
|
}
|
|
if err := os.Symlink(fpath, filepath.Join(dir, "testlink")); err != nil {
|
|
if SyscallIsNotSupported(err) {
|
|
return false, fmt.Sprintf("symlinks unsupported: %s", err.Error())
|
|
}
|
|
return false, ""
|
|
}
|
|
}
|
|
|
|
return true, ""
|
|
}
|