$ git clone -n https://github.com/xcp-ng-rpms/vdo.git /var/lib/mock/v8.0-vdo-1531-900/root/chroot_tmpdir/scmroot/vdo
Cloning into '/var/lib/mock/v8.0-vdo-1531-900/root/chroot_tmpdir/scmroot/vdo'...
$ git reset --hard 1221946572766f55965aad7f4e8b83fb9ff92bfa
Downloading SOURCES/vdo-6.2.1.134.tar.gz (723 KB)
HEAD is now at 1221946 BuildRequires: python3-rpm-macros