$ git clone -n https://src.fedoraproject.org/rpms/chan.git /var/lib/mock/f40-build-794350-139514/root/chroot_tmpdir/scmroot/chan
Cloning into '/var/lib/mock/f40-build-794350-139514/root/chroot_tmpdir/scmroot/chan'...
$ git fetch origin 56c3812bc30a1f848a5e6baf17f5804778514529:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chan
 * [new ref]         56c3812bc30a1f848a5e6baf17f5804778514529 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56c3812 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild