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24 lines
566 B
Go
24 lines
566 B
Go
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package fs
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import (
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"io"
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"os/exec"
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)
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// ReadCloserCommand wraps an exec.Cmd and its standard output to provide an
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// io.ReadCloser that waits for the command to terminate on Close(), reporting
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// any error in the command.Wait() function back to the Close() caller.
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type ReadCloserCommand struct {
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Cmd *exec.Cmd
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Stdout io.ReadCloser
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}
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func (fp *ReadCloserCommand) Read(p []byte) (n int, err error) {
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return fp.Stdout.Read(p)
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}
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func (fp *ReadCloserCommand) Close() error {
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// No need to close fp.Stdout as Wait() closes all pipes.
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return fp.Cmd.Wait()
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}
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