$ git clone -n https://src.fedoraproject.org/rpms/eglexternalplatform.git /var/lib/mock/f45-build-8003-372/root/chroot_tmpdir/scmroot/eglexternalplatform
Cloning into '/var/lib/mock/f45-build-8003-372/root/chroot_tmpdir/scmroot/eglexternalplatform'...
$ git fetch origin de149c6acfc56dde30a3d3a3bdbfe027776b1417:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eglexternalplatform
 * [new ref]         de149c6acfc56dde30a3d3a3bdbfe027776b1417 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de149c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild