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package binarydist
import (
"io"
"os/exec"
)
type bzip2Writer struct {
c *exec.Cmd
w io.WriteCloser
}
func (w bzip2Writer) Write(b []byte) (int, error) {
return w.w.Write(b)
}
func (w bzip2Writer) Close() error {
if err := w.w.Close(); err != nil {
return err
}
return w.c.Wait()
}
// Package compress/bzip2 implements only decompression,
// so we'll fake it by running bzip2 in another process.
func newBzip2Writer(w io.Writer) (wc io.WriteCloser, err error) {
var bw bzip2Writer
bw.c = exec.Command("bzip2", "-c")
bw.c.Stdout = w
if bw.w, err = bw.c.StdinPipe(); err != nil {
return nil, err
}
if err = bw.c.Start(); err != nil {
return nil, err
}
return bw, nil
}
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