$ git clone -n https://src.fedoraproject.org/rpms/ghc-hspec.git /var/lib/mock/f39-build-2011607-45726/root/chroot_tmpdir/scmroot/ghc-hspec
Cloning into '/var/lib/mock/f39-build-2011607-45726/root/chroot_tmpdir/scmroot/ghc-hspec'...
$ git fetch origin 43c2a9ac672e07a09e975d381eb3b1e48d79cceb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hspec
 * [new ref]         43c2a9ac672e07a09e975d381eb3b1e48d79cceb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43c2a9a https://hackage.haskell.org/package/hspec-2.10.10/changelog