$ git clone -n https://src.fedoraproject.org/rpms/ghc-contravariant.git /var/lib/mock/f40-build-742953-110993/root/chroot_tmpdir/scmroot/ghc-contravariant
Cloning into '/var/lib/mock/f40-build-742953-110993/root/chroot_tmpdir/scmroot/ghc-contravariant'...
$ git reset --hard d735743cca73721d5c632502c6cdd89d577933f8
HEAD is now at d735743 bump release