Files
Archduino/internal/platform/writefile.go

26 lines
612 B
Go

package platform
import (
"os"
"path/filepath"
)
// WriteUserFile writes data to path atomically (tmp + rename) with the
// given mode, creating any missing parent directories (mode 0755).
// Intended for user-owned destinations under $HOME — no sudo.
func WriteUserFile(path string, data []byte, mode os.FileMode) error {
if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
return err
}
tmp := path + ".tmp"
if err := os.WriteFile(tmp, data, mode); err != nil {
os.Remove(tmp)
return err
}
if err := os.Rename(tmp, path); err != nil {
os.Remove(tmp)
return err
}
return nil
}