$ git clone -n https://src.fedoraproject.org/rpms/octave-specfun.git /var/lib/mock/f40-build-2358541-60309/root/chroot_tmpdir/scmroot/octave-specfun
Cloning into '/var/lib/mock/f40-build-2358541-60309/root/chroot_tmpdir/scmroot/octave-specfun'...
$ git fetch origin 35e73fe800ec661277afc810a715ef5404680849:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-specfun
 * [new ref]         35e73fe800ec661277afc810a715ef5404680849 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35e73fe Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild