$ git clone -n https://src.fedoraproject.org/rpms/mingw-xz.git /var/lib/mock/f40-build-2298247-56512/root/chroot_tmpdir/scmroot/mingw-xz
Cloning into '/var/lib/mock/f40-build-2298247-56512/root/chroot_tmpdir/scmroot/mingw-xz'...
$ git fetch origin 230a843c1ac20dd4e69188a3b45aeb0a443d0834:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-xz
 * [new ref]         230a843c1ac20dd4e69188a3b45aeb0a443d0834 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 230a843 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild