K3s => RKE2 go.mod replacement sync script

modsync.sh

#!/bin/bash

K3S_VERSION=$(go mod edit --json | jq -r '.Require[] | select(.Path | contains("rancher/k3s")) | .Version')
K3S_COMMIT=$(grep -oE '\w{12}$' <<< ${K3S_VERSION})
K3S_GO_MOD=$(curl -qsL "https://raw.githubusercontent.com/k3s-io/k3s/${K3S_COMMIT}/go.mod")

echo "Updating go.mod replacements from k3s ${K3S_VERSION}"
for MODPATH in $(go mod edit --json | jq -r '.Replace[] | .Old.Path'); do
  REPLACEMENT=$(go mod edit --json /dev/stdin <<<${K3S_GO_MOD} | jq -r --arg MODPATH "${MODPATH}" '.Replace[] | select(.Old.Path==$MODPATH) | .Old.Path + "=" + .New.Path + "@" + .New.Version')
  if [ -n "${REPLACEMENT}" ]; then
    go mod edit --replace=${REPLACEMENT}
  fi
done
go mod tidy