$ git clone -n https://src.fedoraproject.org/rpms/ghc-hspec-discover.git /var/lib/mock/f38-build-side-42-init-devel-884856-28488/root/chroot_tmpdir/scmroot/ghc-hspec-discover
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-884856-28488/root/chroot_tmpdir/scmroot/ghc-hspec-discover'...
$ git fetch origin 6375dd88ad76dabb76949c40c5526f39b44c6551:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hspec-discover
 * [new ref]         6375dd88ad76dabb76949c40c5526f39b44c6551 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6375dd8 Convert to %autorelease and %autochangelog