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