$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-u-tescande1-6154-11902/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-u-tescande1-6154-11902/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 8d4dd1192f3adafe6c5bd27a8b66dabb492bd77f
Downloading SOURCES/xen-4.17.3.tar.gz (6.8 MB)
HEAD is now at 8d4dd11 Import Xen 4.17.3-3