$ git clone -n https://git.cclinux.org/stage/rpms/tk.git /var/lib/mock/dist-circle8-build-20121-3708/root/chroot_tmpdir/scmroot/tk
Cloning into '/var/lib/mock/dist-circle8-build-20121-3708/root/chroot_tmpdir/scmroot/tk'...
$ git reset --hard 1d2726a748dc1e22f2905ff6d0e1cee37006ead8
HEAD is now at 1d2726a import tk-8.6.8-1.el8