$ git clone -n https://src.fedoraproject.org/rpms/ghc-semigroupoids.git /var/lib/mock/f41-build-side-1-2883173-34500/root/chroot_tmpdir/scmroot/ghc-semigroupoids
Cloning into '/var/lib/mock/f41-build-side-1-2883173-34500/root/chroot_tmpdir/scmroot/ghc-semigroupoids'...
$ git fetch origin 56be967e422b2d5323d410f17f5eb6f15f1e9ba6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-semigroupoids
 * [new ref]         56be967e422b2d5323d410f17f5eb6f15f1e9ba6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56be967 https://hackage.haskell.org/package/semigroupoids-6.0.1/changelog