$ git clone -n https://src.fedoraproject.org/rpms/ghc-vector-th-unbox.git /var/lib/mock/f40-build-743031-111037/root/chroot_tmpdir/scmroot/ghc-vector-th-unbox
Cloning into '/var/lib/mock/f40-build-743031-111037/root/chroot_tmpdir/scmroot/ghc-vector-th-unbox'...
$ git reset --hard b482bc12be22179dfc5c6666d7026cad0ff592d8
HEAD is now at b482bc1 revised .cabal file