$ git clone -n https://github.com/xcp-ng-rpms/sudo.git /var/lib/mock/v8.3-u-pcoval2-10404-28965/root/chroot_tmpdir/scmroot/sudo
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10404-28965/root/chroot_tmpdir/scmroot/sudo'...
$ git fetch origin f3abfae2f43f43371d23fe23926ed117922bb9b1:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/sudo
 * [new ref]         f3abfae2f43f43371d23fe23926ed117922bb9b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3abfae bump release for test build