$ git clone -n https://src.fedoraproject.org/rpms/ghc-hspec-expectations.git /var/lib/mock/f38-build-side-42-init-devel-908344-28677/root/chroot_tmpdir/scmroot/ghc-hspec-expectations
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-908344-28677/root/chroot_tmpdir/scmroot/ghc-hspec-expectations'...
$ git fetch origin 0a7983586ac87a944e42c9b21c16881c740b43d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hspec-expectations
 * [new ref]         0a7983586ac87a944e42c9b21c16881c740b43d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a79835 Convert to %autorelease and %autochangelog