$ git clone -n https://src.fedoraproject.org/rpms/ghc-asn1-encoding.git /var/lib/mock/f45-build-10065-413/root/chroot_tmpdir/scmroot/ghc-asn1-encoding
Cloning into '/var/lib/mock/f45-build-10065-413/root/chroot_tmpdir/scmroot/ghc-asn1-encoding'...
$ git fetch origin b92d7e8891d5324bcf49f50fda905b9220e3a29b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-asn1-encoding
 * [new ref]         b92d7e8891d5324bcf49f50fda905b9220e3a29b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b92d7e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild