$ git clone -n https://git.cclinux.org/stage/rpms/ghc-tar.git /var/lib/mock/dist-circle8-build-17091-3309/root/chroot_tmpdir/scmroot/ghc-tar
Cloning into '/var/lib/mock/dist-circle8-build-17091-3309/root/chroot_tmpdir/scmroot/ghc-tar'...
$ git reset --hard 6f47f26527e8aea4e1d7b6c9fe647eb49bb91e0f
HEAD is now at 6f47f26 import ghc-tar-0.5.0.3-7.el8