sarulabs/statix

package statix

import (
    "io/ioutil"
    "os"
    "path/filepath"
)

// Dumper is the interface to dump asset content.
type Dumper interface {
    Dump(string, string, []byte) error
}

// FileDumper implements the Dumper interface to dump assets into files.
type FileDumper struct{}

// Dump write `data` in a file named `filename`
// and create a symlink named `symlink` to that file.
// If needed, directories will be created.
func (fd FileDumper) Dump(filename, symlink string, data []byte) error {
    err := os.MkdirAll(filepath.Dir(filename), 0755)
    if err != nil {
        return err
    }

    err = ioutil.WriteFile(filename, data, 0644)
    if err != nil {
        return err
    }

    os.Remove(symlink)

    err = os.Symlink(filename, symlink)
    if err != nil {
        return err
    }

    return nil
}