mirror of https://github.com/aptly-dev/aptly
34 lines
633 B
Go
34 lines
633 B
Go
package utils
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import (
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"compress/gzip"
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"io"
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"os"
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"os/exec"
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)
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// CompressFile compresses file specified by source to .gz & .bz2
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//
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// It uses internal gzip and external bzip2, see:
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// https://code.google.com/p/go/issues/detail?id=4828
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func CompressFile(source *os.File) error {
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gzPath := source.Name() + ".gz"
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gzFile, err := os.Create(gzPath)
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if err != nil {
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return err
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}
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defer gzFile.Close()
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gzWriter := gzip.NewWriter(gzFile)
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defer gzWriter.Close()
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source.Seek(0, 0)
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_, err = io.Copy(gzWriter, source)
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if err != nil {
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return err
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}
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cmd := exec.Command("bzip2", "-k", "-f", source.Name())
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return cmd.Run()
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}
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