$ git clone -n https://src.fedoraproject.org/rpms/ghc-wizards.git /var/lib/mock/f41-build-838864-159865/root/chroot_tmpdir/scmroot/ghc-wizards
Cloning into '/var/lib/mock/f41-build-838864-159865/root/chroot_tmpdir/scmroot/ghc-wizards'...
$ git fetch origin 93b46e6e02e3be42eb6a902a193da2a684654bd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-wizards
 * [new ref]         93b46e6e02e3be42eb6a902a193da2a684654bd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93b46e6 bump release