$ git clone -n https://src.fedoraproject.org/rpms/mapnik.git /var/lib/mock/f37-build-639726-71327/root/chroot_tmpdir/scmroot/mapnik
Cloning into '/var/lib/mock/f37-build-639726-71327/root/chroot_tmpdir/scmroot/mapnik'...
$ git reset --hard 6c97f7c41e037d3efb4733c039302eff32387fb6
HEAD is now at 6c97f7c Rebuilt for ICU 71.1