| // 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) |
| } |
| } |