forked from toolshed/abra
40 lines
556 B
Go
40 lines
556 B
Go
package internal
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import (
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"bufio"
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"fmt"
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"os/exec"
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)
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// RunCmd runs a shell command and streams stdout/stderr in real-time.
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func RunCmd(cmd *exec.Cmd) error {
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r, err := cmd.StdoutPipe()
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if err != nil {
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return err
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}
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cmd.Stderr = cmd.Stdout
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done := make(chan struct{})
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scanner := bufio.NewScanner(r)
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go func() {
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for scanner.Scan() {
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line := scanner.Text()
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fmt.Println(line)
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}
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done <- struct{}{}
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}()
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if err := cmd.Start(); err != nil {
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return err
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}
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<-done
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if err := cmd.Wait(); err != nil {
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return err
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}
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return nil
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}
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