$ git clone -n https://src.fedoraproject.org/rpms/denemo.git /var/lib/mock/f39-build-1646806-40424/root/chroot_tmpdir/scmroot/denemo
Cloning into '/var/lib/mock/f39-build-1646806-40424/root/chroot_tmpdir/scmroot/denemo'...
$ git fetch origin 782c6ac90cbe181511d92655cd701f4a0a21d1ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/denemo
 * [new ref]         782c6ac90cbe181511d92655cd701f4a0a21d1ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 782c6ac Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild