$ git clone -n https://src.fedoraproject.org/rpms/kernel-tools.git /var/lib/mock/f40-build-2292442-56136/root/chroot_tmpdir/scmroot/kernel-tools
Cloning into '/var/lib/mock/f40-build-2292442-56136/root/chroot_tmpdir/scmroot/kernel-tools'...
$ git fetch origin 4fc63ad0a998f5bc3b73c2e9b03576ad979bfb7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernel-tools
 * [new ref]         4fc63ad0a998f5bc3b73c2e9b03576ad979bfb7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fc63ad Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild