$ git clone -n https://src.fedoraproject.org/rpms/xdg-utils.git /var/lib/mock/f45-build-38711-727/root/chroot_tmpdir/scmroot/xdg-utils
Cloning into '/var/lib/mock/f45-build-38711-727/root/chroot_tmpdir/scmroot/xdg-utils'...
$ git fetch origin af97234f0f04dfa8f38c8ea535c31981160ff532:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdg-utils
 * [new ref]         af97234f0f04dfa8f38c8ea535c31981160ff532 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af97234 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild