$ git clone -n https://src.fedoraproject.org/rpms/ghc-hspec-expectations.git /var/lib/mock/f40-build-1998000-44199/root/chroot_tmpdir/scmroot/ghc-hspec-expectations
Cloning into '/var/lib/mock/f40-build-1998000-44199/root/chroot_tmpdir/scmroot/ghc-hspec-expectations'...
$ git fetch origin 389e8ef934e698bdad9fad03ce5e36a7a179fde6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hspec-expectations
 * [new ref]         389e8ef934e698bdad9fad03ce5e36a7a179fde6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 389e8ef bump release