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restic/internal/fs/fs_reader_command.go
Enrico204 4e5caab114 stdin-from-command: implemented suggestions in #4254
The code has been refactored so that the archiver is back to the original code, and the stderr is handled using a go routine to avoid deadlock.
2023-10-27 23:58:51 +02:00

23 lines
566 B
Go

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