Merge pull request slok#41 from slok/donut

Fix gauges not being showed when color change on gauge was applied

CHANGELOG.md

@@ -9,6 +9,10 @@
 - Alias flag to override dashboard datasource ID using user datasource IDs.
 - Fallback dashboard referenced datasources to user datasources.
 
+### Fixed
+
+- Gauges that had color thresholds not being show.
+
 ## [0.1.0] - 2019-05-13
 
 ### Added

internal/view/render/termdash/gauge.go

@@ -77,8 +77,8 @@ func (g *gauge) SetColor(hexColor string) error {
 		return err
 	}
 
-	// Replace the instance.
-	g.widget = d
-
+	// Replace the instance value. We need to replace the content of the widget,
+	// is ok to copy the value in this case although the widget donut has a mutex.
+	*g.widget = *d
 	return nil
 }