$ git clone -n https://git.cclinux.org/stage/rpms/ghc-SHA.git /var/lib/mock/dist-circle8-build-17055-3306/root/chroot_tmpdir/scmroot/ghc-SHA
Cloning into '/var/lib/mock/dist-circle8-build-17055-3306/root/chroot_tmpdir/scmroot/ghc-SHA'...
$ git reset --hard 9b2aef45a8a8404a59d839120537b24ea8a307d9
HEAD is now at 9b2aef4 import ghc-SHA-1.6.4.2-7.el8