v0.2.2 fixes: split only text sources, report a mode change once, don't block on open

ownership_other.go

@@ -7,6 +7,8 @@ import (
 	"os"
 )
 
+const openNonBlock = 0
+
 func checkFileOwner(os.FileInfo) error {
 	return wrapError(ErrFileAccess, fmt.Errorf("file ownership checks are unsupported on this platform"))
 }