$ git clone -n https://src.fedoraproject.org/rpms/ghc-hspec.git /var/lib/mock/f41-build-side-1-2672315-29195/root/chroot_tmpdir/scmroot/ghc-hspec
Cloning into '/var/lib/mock/f41-build-side-1-2672315-29195/root/chroot_tmpdir/scmroot/ghc-hspec'...
$ git fetch origin 9e79c716de047fd70cee2a4d16cda6a74454f3fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hspec
 * [new ref]         9e79c716de047fd70cee2a4d16cda6a74454f3fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e79c71 https://hackage.haskell.org/package/hspec-2.11.9/changelog