$ git clone -n https://src.fedoraproject.org/rpms/ghc-vector-binary-instances.git /var/lib/mock/f31-build-55044-28083/root/chroot_tmpdir/scmroot/ghc-vector-binary-instances
Cloning into '/var/lib/mock/f31-build-55044-28083/root/chroot_tmpdir/scmroot/ghc-vector-binary-instances'...
$ git reset --hard 92041315fbbcf73f91960ba06908bab2b19b011a
HEAD is now at 9204131 update to 0.2.5.1