$ git clone -n https://src.fedoraproject.org/rpms/package-notes.git /var/lib/mock/f40-build-2704242-70924/root/chroot_tmpdir/scmroot/package-notes
Cloning into '/var/lib/mock/f40-build-2704242-70924/root/chroot_tmpdir/scmroot/package-notes'...
$ git fetch origin 6b27ac21123f87988698cea43fa83c6a5afc99c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/package-notes
 * [new ref]         6b27ac21123f87988698cea43fa83c6a5afc99c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b27ac2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild