$ git clone -n https://src.fedoraproject.org/rpms/ghc-bloomfilter.git /var/lib/mock/f45-build-10037-412/root/chroot_tmpdir/scmroot/ghc-bloomfilter
Cloning into '/var/lib/mock/f45-build-10037-412/root/chroot_tmpdir/scmroot/ghc-bloomfilter'...
$ git fetch origin ed6090689eec977757145e46db3d5f33a9765388:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-bloomfilter
 * [new ref]         ed6090689eec977757145e46db3d5f33a9765388 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed60906 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild