1*9bb1b549SSpandan Das// Copyright 2017 The Bazel Authors. All rights reserved. 2*9bb1b549SSpandan Das// 3*9bb1b549SSpandan Das// Licensed under the Apache License, Version 2.0 (the "License"); 4*9bb1b549SSpandan Das// you may not use this file except in compliance with the License. 5*9bb1b549SSpandan Das// You may obtain a copy of the License at 6*9bb1b549SSpandan Das// 7*9bb1b549SSpandan Das// http://www.apache.org/licenses/LICENSE-2.0 8*9bb1b549SSpandan Das// 9*9bb1b549SSpandan Das// Unless required by applicable law or agreed to in writing, software 10*9bb1b549SSpandan Das// distributed under the License is distributed on an "AS IS" BASIS, 11*9bb1b549SSpandan Das// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*9bb1b549SSpandan Das// See the License for the specific language governing permissions and 13*9bb1b549SSpandan Das// limitations under the License. 14*9bb1b549SSpandan Das 15*9bb1b549SSpandan Das// info prints debugging information about the go environment. 16*9bb1b549SSpandan Das// It is used to help examine the execution environment of rules_go 17*9bb1b549SSpandan Daspackage main 18*9bb1b549SSpandan Das 19*9bb1b549SSpandan Dasimport ( 20*9bb1b549SSpandan Das "flag" 21*9bb1b549SSpandan Das "fmt" 22*9bb1b549SSpandan Das "log" 23*9bb1b549SSpandan Das "os" 24*9bb1b549SSpandan Das) 25*9bb1b549SSpandan Das 26*9bb1b549SSpandan Dasfunc run(args []string) error { 27*9bb1b549SSpandan Das args, _, err := expandParamsFiles(args) 28*9bb1b549SSpandan Das if err != nil { 29*9bb1b549SSpandan Das return err 30*9bb1b549SSpandan Das } 31*9bb1b549SSpandan Das filename := "" 32*9bb1b549SSpandan Das flags := flag.NewFlagSet("info", flag.ExitOnError) 33*9bb1b549SSpandan Das flags.StringVar(&filename, "out", filename, "The file to write the report to") 34*9bb1b549SSpandan Das goenv := envFlags(flags) 35*9bb1b549SSpandan Das if err := flags.Parse(args); err != nil { 36*9bb1b549SSpandan Das return err 37*9bb1b549SSpandan Das } 38*9bb1b549SSpandan Das if err := goenv.checkFlags(); err != nil { 39*9bb1b549SSpandan Das return err 40*9bb1b549SSpandan Das } 41*9bb1b549SSpandan Das os.Setenv("GO111MODULE", "off") 42*9bb1b549SSpandan Das f := os.Stderr 43*9bb1b549SSpandan Das if filename != "" { 44*9bb1b549SSpandan Das var err error 45*9bb1b549SSpandan Das f, err = os.Create(filename) 46*9bb1b549SSpandan Das if err != nil { 47*9bb1b549SSpandan Das return fmt.Errorf("Could not create report file: %v", err) 48*9bb1b549SSpandan Das } 49*9bb1b549SSpandan Das defer f.Close() 50*9bb1b549SSpandan Das } 51*9bb1b549SSpandan Das if err := goenv.runCommandToFile(f, os.Stderr, goenv.goCmd("version")); err != nil { 52*9bb1b549SSpandan Das return err 53*9bb1b549SSpandan Das } 54*9bb1b549SSpandan Das if err := goenv.runCommandToFile(f, os.Stderr, goenv.goCmd("env")); err != nil { 55*9bb1b549SSpandan Das return err 56*9bb1b549SSpandan Das } 57*9bb1b549SSpandan Das return nil 58*9bb1b549SSpandan Das} 59*9bb1b549SSpandan Das 60*9bb1b549SSpandan Dasfunc main() { 61*9bb1b549SSpandan Das if err := run(os.Args[1:]); err != nil { 62*9bb1b549SSpandan Das log.Fatal(err) 63*9bb1b549SSpandan Das } 64*9bb1b549SSpandan Das} 65