$ git clone -n https://src.fedoraproject.org/rpms/ghc-DAV.git /var/lib/mock/f41-build-840808-160954/root/chroot_tmpdir/scmroot/ghc-DAV
Cloning into '/var/lib/mock/f41-build-840808-160954/root/chroot_tmpdir/scmroot/ghc-DAV'...
$ git fetch origin 59cd17cfe30378ead7368edaa2c038677a2cfed8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-DAV
 * [new ref]         59cd17cfe30378ead7368edaa2c038677a2cfed8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59cd17c bump release