$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.2-testing-2791-2251/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.2-testing-2791-2251/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard c9f378d1d85dc0b2af758e72cacd5fa5bb370dd0
Downloading SOURCES/xen.tar.gz (28 MB)
HEAD is now at c9f378d Fix changelog: add XSA-324 in list of fixed XSAs