$ git clone -n https://src.fedoraproject.org/rpms/ghc-microlens-mtl.git /var/lib/mock/f31-build-54607-28020/root/chroot_tmpdir/scmroot/ghc-microlens-mtl
Cloning into '/var/lib/mock/f31-build-54607-28020/root/chroot_tmpdir/scmroot/ghc-microlens-mtl'...
$ git reset --hard b935895644614053c8bbb3c48a0e537a16e8c3ab
HEAD is now at b935895 import (#1711896)