$ git clone -n https://src.fedoraproject.org/rpms/ghc-mono-traversable.git /var/lib/mock/f40-build-2139413-50846/root/chroot_tmpdir/scmroot/ghc-mono-traversable
Cloning into '/var/lib/mock/f40-build-2139413-50846/root/chroot_tmpdir/scmroot/ghc-mono-traversable'...
$ git fetch origin 8000f60c324e8b741c475589d787a39536d01bb3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-mono-traversable
 * [new ref]         8000f60c324e8b741c475589d787a39536d01bb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8000f60 bump release