$ git clone -n https://src.fedoraproject.org/rpms/snapper.git /var/lib/mock/f40-build-780823-131336/root/chroot_tmpdir/scmroot/snapper
Cloning into '/var/lib/mock/f40-build-780823-131336/root/chroot_tmpdir/scmroot/snapper'...
$ git fetch origin c76f6258e85452b01cb5c4fe94becaa80df5cc1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/snapper
 * [new ref]         c76f6258e85452b01cb5c4fe94becaa80df5cc1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c76f625 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild