$ git clone -n https://src.fedoraproject.org/rpms/xen.git /var/lib/mock/f37-build-677483-76267/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/f37-build-677483-76267/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard ebc4dec9e2226e2dfdf4871fe32728fadf7cd450
HEAD is now at ebc4dec 3 security fixes