git describe --contains df7f8e00a50f4d35b660ea2a2bc734decc1343e6 next-20190214~100^2^2
will be in v5.1-rc1
git describe --contains df7f8e00a50f4d3 5b660ea2a2bc734 decc1343e6 100^2^2
next-20190214~
will be in v5.1-rc1