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// 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)
}
}
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