Doughnut chart has incorrect border when overful #6171
Description
Expected Behavior
Doughnut chart analogous to underful segment
Current Behavior
Only the inner endpoint of the border line moves as expected, the outer endpoint is stuck at the top.
See for yourself here: https://jsfiddle.net/kpdyvxuc/1/
Change the value of circumference to better see the bug in action.
Steps to Reproduce (for bugs)
https://jsfiddle.net/kpdyvxuc/1/
Context
We are trying to visualize an overfulfillment of a measurement (>100%). Note that this would be possible to visualize statically using other features (like rotation), but this would be incompatible with a correct animation.
Environment
- Chart.js version: 2.5.0
- Browser name and version: Google Chrome Version 70.0.3538.77 (Official Build) (64-bit)