$ git clone -n https://src.fedoraproject.org/rpms/golang-github-calmh-xdr.git /var/lib/mock/f31-build-110025-33988/root/chroot_tmpdir/scmroot/golang-github-calmh-xdr
Cloning into '/var/lib/mock/f31-build-110025-33988/root/chroot_tmpdir/scmroot/golang-github-calmh-xdr'...
$ git reset --hard 1fd6afbd9fd83b16e224b281cc8606a2b3d9ef7c
HEAD is now at 1fd6afb - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild