$ git clone -n https://src.fedoraproject.org/rpms/xvkbd.git /var/lib/mock/f45-build-39165-732/root/chroot_tmpdir/scmroot/xvkbd
Cloning into '/var/lib/mock/f45-build-39165-732/root/chroot_tmpdir/scmroot/xvkbd'...
$ git fetch origin 24fc445867f2c83c60d7b14233f3df93379ddc67:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xvkbd
 * [new ref]         24fc445867f2c83c60d7b14233f3df93379ddc67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24fc445 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild