$ git clone -n https://src.fedoraproject.org/rpms/octave-signal.git /var/lib/mock/f40-build-2623326-64963/root/chroot_tmpdir/scmroot/octave-signal
Cloning into '/var/lib/mock/f40-build-2623326-64963/root/chroot_tmpdir/scmroot/octave-signal'...
$ git fetch origin 01c280490991533fb67a99de592b5a21b02a82d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-signal
 * [new ref]         01c280490991533fb67a99de592b5a21b02a82d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01c2804 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild