$ git clone -n https://git.cclinux.org/stage/rpms/ghc-x509-system.git /var/lib/mock/dist-circle8-build-17184-3316/root/chroot_tmpdir/scmroot/ghc-x509-system
Cloning into '/var/lib/mock/dist-circle8-build-17184-3316/root/chroot_tmpdir/scmroot/ghc-x509-system'...
$ git reset --hard b759ca1b832d20359fb7b1c4fc16a0eb1c065b59
HEAD is now at b759ca1 import ghc-x509-system-1.6.6-3.el8