$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-u-abourgeois1-8717-27055/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-u-abourgeois1-8717-27055/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard bfb4d5fdb50069a981419c9f54ee7c6468de4b45
Downloading SOURCES/xen-4.17.5.tar.gz (6.7 MB)
HEAD is now at bfb4d5f bump release for test build