gitech

1
// Copyright 2022 The Gitea Authors. All rights reserved.
2
// SPDX-License-Identifier: MIT
3

4
//go:build !windows
5

6
package util
7

8
import (
9
	"os"
10

11
	"golang.org/x/sys/unix"
12
)
13

14
var defaultUmask int
15

16
func init() {
17
	// at the moment, the umask could only be gotten by calling unix.Umask(newUmask)
18
	// use 0o077 as temp new umask to reduce the risks if this umask is used anywhere else before the correct umask is recovered
19
	tempUmask := 0o077
20
	defaultUmask = unix.Umask(tempUmask)
21
	unix.Umask(defaultUmask)
22
}
23

24
func ApplyUmask(f string, newMode os.FileMode) error {
25
	mod := newMode & ^os.FileMode(defaultUmask)
26
	return os.Chmod(f, mod)
27
}
28