$ git clone -n https://src.fedoraproject.org/rpms/openjfx8.git /var/lib/mock/f39-build-2437780-60811/root/chroot_tmpdir/scmroot/openjfx8
Cloning into '/var/lib/mock/f39-build-2437780-60811/root/chroot_tmpdir/scmroot/openjfx8'...
$ git fetch origin e27020eb61e7cf7ed9eb37f7803a7a36d0f6af6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openjfx8
 * [new ref]         e27020eb61e7cf7ed9eb37f7803a7a36d0f6af6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e27020e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild