$ git clone -n https://src.fedoraproject.org/rpms/libxdiff.git /var/lib/mock/f31-build-47698-26959/root/chroot_tmpdir/scmroot/libxdiff
Cloning into '/var/lib/mock/f31-build-47698-26959/root/chroot_tmpdir/scmroot/libxdiff'...
$ git reset --hard 871be32f85245df27fdaf18f7c7b24af87d2ec43
HEAD is now at 871be32 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild