$ git clone -n https://src.fedoraproject.org/rpms/xylib.git /var/lib/mock/f31-build-84015-31568/root/thebuilddir/tmp/scmroot/xylib
Cloning into '/var/lib/mock/f31-build-84015-31568/root/thebuilddir/tmp/scmroot/xylib'...
$ git reset --hard 3895a1d339d8485757e7fcac67cad38f96322121
HEAD is now at 3895a1d - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild