#!/usr/bin/env bash

go_files() {
    find . -type f -name \*.go -not -name \*_cbor_gen.go | grep -v './extern/filecoin-ffi' | grep -v './extern/test-vectors'
}

go_files | xargs -I '{}' sed -i.ifixbak -e '/import (/ {
  :1
  $!N
  s/\n\n/\'$'\n''/
  /)/!b1
}' '{}'

find . -type f -name \*.go.ifixbak | xargs rm

go_files | xargs -I '{}' goimports -w -local "github.com/filecoin-project" '{}'
go_files | xargs -I '{}' goimports -w -local "github.com/filecoin-project/lotus" '{}'