// Copyright 2017 The Bazel Authors. All rights reserved. // // Licensed 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. // info prints debugging information about the go environment. // It is used to help examine the execution environment of rules_go package main import ( "flag" "fmt" "log" "os" ) func run(args []string) error { args, _, err := expandParamsFiles(args) if err != nil { return err } filename := "" flags := flag.NewFlagSet("info", flag.ExitOnError) flags.StringVar(&filename, "out", filename, "The file to write the report to") goenv := envFlags(flags) if err := flags.Parse(args); err != nil { return err } if err := goenv.checkFlags(); err != nil { return err } os.Setenv("GO111MODULE", "off") f := os.Stderr if filename != "" { var err error f, err = os.Create(filename) if err != nil { return fmt.Errorf("Could not create report file: %v", err) } defer f.Close() } if err := goenv.runCommandToFile(f, os.Stderr, goenv.goCmd("version")); err != nil { return err } if err := goenv.runCommandToFile(f, os.Stderr, goenv.goCmd("env")); err != nil { return err } return nil } func main() { if err := run(os.Args[1:]); err != nil { log.Fatal(err) } }