$ git clone -n https://src.fedoraproject.org/rpms/ghc-tidal.git /var/lib/mock/f41-build-838921-159873/root/chroot_tmpdir/scmroot/ghc-tidal
Cloning into '/var/lib/mock/f41-build-838921-159873/root/chroot_tmpdir/scmroot/ghc-tidal'...
$ git fetch origin 39d265f8b0bff07361141299ab7e059ec5cd3eae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-tidal
 * [new ref]         39d265f8b0bff07361141299ab7e059ec5cd3eae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39d265f update to 1.9.5