github.com/tilt-dev/tilt@v0.33.15-0.20240515162809-0a22ed45d8a0/internal/output/output.go (about)

     1  package output
     2  
     3  import (
     4  	"io"
     5  	"os"
     6  )
     7  
     8  var OriginalStderr *os.File
     9  
    10  func init() {
    11  	OriginalStderr = os.Stderr
    12  }
    13  
    14  func CaptureAllOutput(to io.Writer) error {
    15  	piper, pipew, err := os.Pipe()
    16  	if err != nil {
    17  		return err
    18  	}
    19  
    20  	os.Stdout = piper
    21  	os.Stderr = piper
    22  
    23  	go func() {
    24  		// NOTE(dmiller): If this errors there's nothing we can do
    25  		_, _ = io.Copy(to, pipew)
    26  	}()
    27  	return nil
    28  }