$ git clone -n https://src.fedoraproject.org/rpms/xfce4-xkb-plugin.git /var/lib/mock/f40-build-788449-135159/root/chroot_tmpdir/scmroot/xfce4-xkb-plugin
Cloning into '/var/lib/mock/f40-build-788449-135159/root/chroot_tmpdir/scmroot/xfce4-xkb-plugin'...
$ git fetch origin b514e2e180ead24079ec802af5aef16165e285da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-xkb-plugin
 * [new ref]         b514e2e180ead24079ec802af5aef16165e285da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b514e2e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild