$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.2-u-dml1-5994-11095/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.2-u-dml1-5994-11095/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard ec049446917d918f54015549318284a7d7f58527
Downloading SOURCES/xen-4.13.5.tar.gz (6.2 MB)
HEAD is now at ec04944 Add patch to fix XSA-449