build: track tools dependancy in submodule (#56)

* build: track tools dependancy in submodule allow for dependency updates and easier maintenance * build: update go version * lint: format tools file

Author: kruskall

Makefile

@@ -5,13 +5,13 @@ test:
 go test -v -race ./...
 
 fmt:
-go run golang.org/x/tools/cmd/goimports@v0.21.0 -w .
+go run -modfile=tools/go.mod golang.org/x/tools/cmd/goimports -w .
 
 gomodtidy:
 go mod tidy -v
 
 fieldalignment:
-go run golang.org/x/tools/go/analysis/passes/fieldalignment/cmd/fieldalignment@v0.21.0 -test=false $(shell go list ./... | grep -v test)
+go run -modfile=tools/go.mod golang.org/x/tools/go/analysis/passes/fieldalignment/cmd/fieldalignment -test=false $(shell go list ./... | grep -v test)
 
 update-licenses:
-go run github.com/elastic/go-licenser@v0.4.1 -ext .go .
+go run -modfile=tools/go.mod github.com/elastic/go-licenser -ext .go .

tools/go.mod

@@ -0,0 +1,13 @@
+module github.com/elastic/opentelemetry-lib/tools
+
+go 1.21
+
+require (
+github.com/elastic/go-licenser v0.4.2
+golang.org/x/tools v0.23.0
+)
+
+require (
+golang.org/x/mod v0.19.0 // indirect
+golang.org/x/sync v0.7.0 // indirect
+)

tools/go.sum

@@ -0,0 +1,10 @@
+github.com/elastic/go-licenser v0.4.2 h1:bPbGm8bUd8rxzSswFOqvQh1dAkKGkgAmrPxbUi+Y9+A=
+github.com/elastic/go-licenser v0.4.2/go.mod h1:W8eH6FaZDR8fQGm+7FnVa7MxI1b/6dAqxz+zPB8nm5c=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
+golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/tools v0.23.0 h1:SGsXPZ+2l4JsgaCKkx+FQ9YZ5XEtA1GZYuoDjenLjvg=
+golang.org/x/tools v0.23.0/go.mod h1:pnu6ufv6vQkll6szChhK3C3L/ruaIv5eBeztNG8wtsI=

tools/tools.go

@@ -0,0 +1,32 @@
+// Licensed to Elasticsearch B.V. under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. Elasticsearch B.V. licenses this file to you under
+// the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+// This file creates dependencies on build/test tools, so we can
+// track them in go.mod. See:
+// https://github.com/golang/go/wiki/Modules#how-can-i-track-tool-dependencies-for-a-module
+
+//go:build tools
+// +build tools
+
+package main
+
+import (
+_ "golang.org/x/tools/cmd/goimports" //go.mod/go.sum
+_ "golang.org/x/tools/go/analysis/passes/fieldalignment/cmd/fieldalignment" //go.mod/go.sum
+
+_ "github.com/elastic/go-licenser" // go.mod/go.sum
+)