$ git clone -n https://git.cclinux.org/stage/rpms/boost /var/lib/mock/dist-circle8-build-12560-2790/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/dist-circle8-build-12560-2790/root/chroot_tmpdir/scmroot/boost'...
warning: redirecting to https://git.cclinux.org/stage/rpms/boost.git/
$ git reset --hard aff8a638d9042410e54a592efa30978771e0af52
HEAD is now at aff8a63 import boost-1.66.0-10.el8