$ git clone -n https://github.com/xcp-ng-rpms/wget.git /var/lib/mock/v8.3-incoming-10095-28716/root/chroot_tmpdir/scmroot/wget
Cloning into '/var/lib/mock/v8.3-incoming-10095-28716/root/chroot_tmpdir/scmroot/wget'...
$ git fetch origin e98166c63a43a56582e9be288293e207b0629b92:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/wget
 * [new ref]         e98166c63a43a56582e9be288293e207b0629b92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e98166c Skip the unit test for xcp-ng-8.3