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protoc-gen-go: Add -version flag to print version #599

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protoc-gen-go: Add -version flag to print version #599

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14 changes: 14 additions & 0 deletions protoc-gen-go/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -49,14 +49,28 @@
package main

import (
"flag"
"io/ioutil"
"os"

"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/protoc-gen-go/generator"
)

const (
// versionString holds the current version of protoc-gen-go.
versionString = "1.1.0"
)

func main() {
// If the -version flag is set, just print the version and exit.
versionFlag := flag.Bool("version", false, "print the version of protoc-gen-go")
flag.Parse()
if *versionFlag {
os.Stdout.WriteString(versionString)
os.Exit(0)
}

// Begin by allocating a generator. The request and response structures are stored there
// so we can do error handling easily - the response structure contains the field to
// report failure.
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