$ git clone -n https://src.fedoraproject.org/rpms/ghc-base-compat-batteries.git /var/lib/mock/f41-build-839311-160118/root/chroot_tmpdir/scmroot/ghc-base-compat-batteries
Cloning into '/var/lib/mock/f41-build-839311-160118/root/chroot_tmpdir/scmroot/ghc-base-compat-batteries'...
$ git fetch origin a32ca1f56432a78b485d86c50a0c6ae796c95291:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-base-compat-batteries
 * [new ref]         a32ca1f56432a78b485d86c50a0c6ae796c95291 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a32ca1f https://hackage.haskell.org/package/base-compat-batteries-0.13.1/changelog