$ git clone -n https://src.fedoraproject.org/rpms/ghc-singleton-bool.git /var/lib/mock/f45-build-10748-424/root/chroot_tmpdir/scmroot/ghc-singleton-bool
Cloning into '/var/lib/mock/f45-build-10748-424/root/chroot_tmpdir/scmroot/ghc-singleton-bool'...
$ git fetch origin 86ee42ef42812ef5d40b9d17a31bf212573a48bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-singleton-bool
 * [new ref]         86ee42ef42812ef5d40b9d17a31bf212573a48bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86ee42e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild