shithub: hugo

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transform: Return any read or write error from Apply

--- a/transform/chain.go

+++ b/transform/chain.go

@@ -69,10 +69,14 @@

 	b1 := bp.GetBuffer()

 	defer bp.PutBuffer(b1)

-	b1.ReadFrom(r)

+	if _, err := b1.ReadFrom(r); err != nil {

+		return err

+	}

 	if len(*c) == 0 {

-		b1.WriteTo(w)

+		if _, err := b1.WriteTo(w); err != nil {

+			return err

+		}

 		return nil

 	}

@@ -97,6 +101,6 @@

 		tr(fb)

 	}

-	fb.to.WriteTo(w)

-	return nil

+	_, err := fb.to.WriteTo(w)

+	return err

 }