$ git clone -n https://src.fedoraproject.org/rpms/octave-jnifti.git /var/lib/mock/f40-build-2077430-49568/root/chroot_tmpdir/scmroot/octave-jnifti
Cloning into '/var/lib/mock/f40-build-2077430-49568/root/chroot_tmpdir/scmroot/octave-jnifti'...
$ git fetch origin 5039a9b38dc83e71078208ef3cab6308f6e92a2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-jnifti
 * [new ref]         5039a9b38dc83e71078208ef3cab6308f6e92a2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5039a9b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild