$ git clone -n https://src.fedoraproject.org/rpms/octave-iso2mesh.git /var/lib/mock/f39-build-1597018-38420/root/chroot_tmpdir/scmroot/octave-iso2mesh
Cloning into '/var/lib/mock/f39-build-1597018-38420/root/chroot_tmpdir/scmroot/octave-iso2mesh'...
$ git fetch origin b1605a4c95474816c14367eda436a57ab9ed0f89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-iso2mesh
 * [new ref]         b1605a4c95474816c14367eda436a57ab9ed0f89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1605a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild