$ git clone -n https://src.fedoraproject.org/rpms/xar.git /var/lib/mock/f33-build-282000-51720/root/chroot_tmpdir/scmroot/xar
Cloning into '/var/lib/mock/f33-build-282000-51720/root/chroot_tmpdir/scmroot/xar'...
$ git reset --hard bc9745104e3ce90c77335f59da62344b9d4f1c0c
HEAD is now at bc97451 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild