$ git clone -n https://src.fedoraproject.org/rpms/kernelshark.git /var/lib/mock/f40-build-2691460-68135/root/chroot_tmpdir/scmroot/kernelshark
Cloning into '/var/lib/mock/f40-build-2691460-68135/root/chroot_tmpdir/scmroot/kernelshark'...
$ git fetch origin 6f2f37a840c65bf44b2fc09050e7662aad2ffd8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernelshark
 * [new ref]         6f2f37a840c65bf44b2fc09050e7662aad2ffd8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f2f37a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild