$ git clone -n https://src.fedoraproject.org/rpms/xen.git /var/lib/mock/f40-build-795734-140315/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/f40-build-795734-140315/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 950832bad0fbf2411446da7e84264114fb5b1ef0
HEAD is now at 950832b 2 security updates + drop glibc32 requirement