$ git clone -n https://src.fedoraproject.org/rpms/ghc-control-monad-free.git /var/lib/mock/f38-build-side-42-init-devel-576905-26001/root/chroot_tmpdir/scmroot/ghc-control-monad-free
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-576905-26001/root/chroot_tmpdir/scmroot/ghc-control-monad-free'...
$ git fetch origin 01b8e257a324fc0bff70f2f007c2d3e83c5af3d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-control-monad-free
 * [new ref]         01b8e257a324fc0bff70f2f007c2d3e83c5af3d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01b8e25 Convert to %autorelease and %autochangelog