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Comment to explain CmdStream
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@ -42,6 +42,9 @@ func Untar(archive io.Reader, path string) error {
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return nil
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return nil
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}
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}
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// CmdStream executes a command, and returns its stdout as a stream.
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// If the command fails to run or doesn't complete successfully, an error
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// will be returned, including anything written on stderr.
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func CmdStream(cmd *exec.Cmd) (io.Reader, error) {
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func CmdStream(cmd *exec.Cmd) (io.Reader, error) {
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stdout, err := cmd.StdoutPipe()
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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if err != nil {
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