$ git clone -n https://github.com/xcp-ng-rpms/intel-ice-alt.git /var/lib/mock/v8.3-u-ysionneau1-9467-28208/root/chroot_tmpdir/scmroot/intel-ice-alt
Cloning into '/var/lib/mock/v8.3-u-ysionneau1-9467-28208/root/chroot_tmpdir/scmroot/intel-ice-alt'...
$ git fetch origin b8b303afb19585b243d0ca0316d380f108117c92:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/intel-ice-alt
 * [new ref]         b8b303afb19585b243d0ca0316d380f108117c92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8b303a bump release for test build