mirror of https://github.com/kubernetes/kops.git
66 lines
2.3 KiB
Go
66 lines
2.3 KiB
Go
/* Copyright 2018 The Bazel Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"io/ioutil"
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"log"
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"path/filepath"
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"regexp"
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"github.com/bazelbuild/bazel-gazelle/config"
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"github.com/bazelbuild/bazel-gazelle/internal/version"
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"github.com/bazelbuild/bazel-gazelle/repo"
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)
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var minimumRulesGoVersion = version.Version{0, 19, 0}
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// checkRulesGoVersion checks whether a compatible version of rules_go is
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// being used in the workspace. A message will be logged if an incompatible
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// version is found.
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//
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// Note that we can't always determine the version of rules_go in use. Also,
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// if we find an incompatible version, we shouldn't bail out since the
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// incompatibility may not matter in the current workspace.
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func checkRulesGoVersion(repoRoot string) {
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const message = `Gazelle may not be compatible with this version of rules_go.
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Update io_bazel_rules_go to a newer version in your WORKSPACE file.`
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rulesGoPath, err := repo.FindExternalRepo(repoRoot, config.RulesGoRepoName)
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if err != nil {
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return
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}
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defBzlPath := filepath.Join(rulesGoPath, "go", "def.bzl")
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defBzlContent, err := ioutil.ReadFile(defBzlPath)
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if err != nil {
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return
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}
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versionRe := regexp.MustCompile(`(?m)^RULES_GO_VERSION = ['"]([0-9.]*)['"]`)
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match := versionRe.FindSubmatch(defBzlContent)
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if match == nil {
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log.Printf("RULES_GO_VERSION not found in @%s//go:def.bzl.\n%s", config.RulesGoRepoName, message)
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return
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}
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vstr := string(match[1])
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v, err := version.ParseVersion(vstr)
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if err != nil {
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log.Printf("RULES_GO_VERSION %q could not be parsed in @%s//go:def.bzl.\n%s", vstr, config.RulesGoRepoName, message)
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}
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if v.Compare(minimumRulesGoVersion) < 0 {
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log.Printf("Found RULES_GO_VERSION %s. Minimum compatible version is %s.\n%s", v, minimumRulesGoVersion, message)
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}
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}
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