Don't automatically disable readonly option (#1957)

Fix the regression after 3b34a02: setting readonly option to true
in onBufferOpen lua callback doesn't work, since it is automatically
reset to false if write permission is not denied.

diff --git a/internal/buffer/buffer.go b/internal/buffer/buffer.go
index d5ccfac1cea0809b580aaf3d8efaa45f02d7658e..dba08fe76842b4b2879c3fdd142f5719f5c9aa39 100644 (file)
--- a/internal/buffer/buffer.go
+++ b/internal/buffer/buffer.go
@@ -239,7 +239,9 @@ func NewBufferFromFileAtLoc(path string, btype BufType, cursorLoc Loc) (*Buffer,
                buf = NewBuffer(file, util.FSize(file), filename, cursorLoc, btype)
        }
 
-       buf.SetOptionNative("readonly", readonly)
+       if readonly {
+               buf.SetOptionNative("readonly", true)
+       }
 
        return buf, nil
 }