$ git clone -n https://src.fedoraproject.org/rpms/ghc-mwc-random.git /var/lib/mock/f41-build-839186-160072/root/chroot_tmpdir/scmroot/ghc-mwc-random
Cloning into '/var/lib/mock/f41-build-839186-160072/root/chroot_tmpdir/scmroot/ghc-mwc-random'...
$ git reset --hard 5b7b7e0e8b8172907df85df8de4ee5c5f37fe9d0
HEAD is now at 5b7b7e0 https://hackage.haskell.org/package/mwc-random-0.15.1.0/changelog