$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.2-base-2488-1889/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.2-base-2488-1889/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 6e39298af6008fc326b0279b8f9e835fa1001fe1
Downloading SOURCES/xen-4.13.1.tar.gz (6.1 MB)
HEAD is now at 6e39298 Update changelog for the security update