$ git clone -n https://src.fedoraproject.org/rpms/openscad-bosl2.git /var/lib/mock/f45-build-21101-578/root/chroot_tmpdir/scmroot/openscad-bosl2
Cloning into '/var/lib/mock/f45-build-21101-578/root/chroot_tmpdir/scmroot/openscad-bosl2'...
$ git fetch origin e4b10a3950602dd110d3a2bb8bdc1326bd53b516:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openscad-bosl2
 * [new ref]         e4b10a3950602dd110d3a2bb8bdc1326bd53b516 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4b10a3 Updated to version 2.0.749