$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-incoming-7109-17778/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-incoming-7109-17778/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 9c93f2c05e0b44aa04571bf1982811b00b4589d7
Downloading SOURCES/xen-4.17.4.tar.gz (6.7 MB)
HEAD is now at 9c93f2c Merge branch 'XS-8.3'