From 08699e08d39675b76a9b813fd9fe41be6ab47a18 Mon Sep 17 00:00:00 2001
From: Jeroen Wijenbergh <jeroen.wijenbergh@geant.org>
Date: Fri, 1 Aug 2025 15:00:58 +0200
Subject: Atomicfile: Move outside of config package

---
 internal/config/atomicfile/atomicfile.go | 51 --------------------------------
 1 file changed, 51 deletions(-)
 delete mode 100644 internal/config/atomicfile/atomicfile.go

(limited to 'internal/config/atomicfile/atomicfile.go')

diff --git a/internal/config/atomicfile/atomicfile.go b/internal/config/atomicfile/atomicfile.go
deleted file mode 100644
index 542f58a..0000000
--- a/internal/config/atomicfile/atomicfile.go
+++ /dev/null
@@ -1,51 +0,0 @@
-// Copyright (c) Tailscale Inc & AUTHORS
-// SPDX-License-Identifier: BSD-3-Clause
-
-// Package atomicfile contains code related to writing to filesystems
-// atomically.
-//
-// This package should be considered internal; its API is not stable.
-package atomicfile // import "tailscale.com/atomicfile"
-
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-	"runtime"
-)
-
-// WriteFile writes data to filename+some suffix, then renames it into filename.
-// The perm argument is ignored on Windows. If the target filename already
-// exists but is not a regular file, WriteFile returns an error.
-func WriteFile(filename string, data []byte, perm os.FileMode) (err error) {
-	fi, err := os.Stat(filename)
-	if err == nil && !fi.Mode().IsRegular() {
-		return fmt.Errorf("%s already exists and is not a regular file", filename)
-	}
-	f, err := os.CreateTemp(filepath.Dir(filename), filepath.Base(filename)+".tmp")
-	if err != nil {
-		return err
-	}
-	tmpName := f.Name()
-	defer func() {
-		if err != nil {
-			f.Close()          //nolint:errcheck
-			os.Remove(tmpName) //nolint:errcheck
-		}
-	}()
-	if _, err := f.Write(data); err != nil {
-		return err
-	}
-	if runtime.GOOS != "windows" {
-		if err := f.Chmod(perm); err != nil {
-			return err
-		}
-	}
-	if err := f.Sync(); err != nil {
-		return err
-	}
-	if err := f.Close(); err != nil {
-		return err
-	}
-	return os.Rename(tmpName, filename)
-}
-- 
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