$ git clone -n https://src.fedoraproject.org/rpms/wmenu.git /var/lib/mock/f45-build-38456-724/root/chroot_tmpdir/scmroot/wmenu
Cloning into '/var/lib/mock/f45-build-38456-724/root/chroot_tmpdir/scmroot/wmenu'...
$ git fetch origin f5d18bfc4342a4390f7d2d900f3744dba4e2040c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wmenu
 * [new ref]         f5d18bfc4342a4390f7d2d900f3744dba4e2040c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5d18bf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild