$ git clone -n https://src.fedoraproject.org/rpms/samurai.git /var/lib/mock/f40-build-796272-140592/root/chroot_tmpdir/scmroot/samurai
Cloning into '/var/lib/mock/f40-build-796272-140592/root/chroot_tmpdir/scmroot/samurai'...
$ git fetch origin 0c2eef0314b929c801ed61c00a6c13f6cda82bd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/samurai
 * [new ref]         0c2eef0314b929c801ed61c00a6c13f6cda82bd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c2eef0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild