$ git clone -n https://git.cclinux.org/stage/rpms/ghc-vector.git /var/lib/mock/dist-circle8-build-17162-3316/root/chroot_tmpdir/scmroot/ghc-vector
Cloning into '/var/lib/mock/dist-circle8-build-17162-3316/root/chroot_tmpdir/scmroot/ghc-vector'...
$ git reset --hard 8894fba18331178c5da89c3c42dea2a8c2ee3d0a
HEAD is now at 8894fba import ghc-vector-0.12.0.1-2.el8