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protoc.go
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protoc.go
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package main
import (
"errors"
"fmt"
"go/build"
"io/ioutil"
"log"
"os"
"os/exec"
"path"
"path/filepath"
"runtime"
"strings"
"github.com/urfave/cli"
)
var (
withBM bool
withGRPC bool
withSwagger bool
)
func protocAction(ctx *cli.Context) (err error) {
if err = checkProtoc(); err != nil {
return err
}
if !withGRPC && !withBM && !withSwagger {
withBM = true
withGRPC = true
withSwagger = true
}
if withBM {
if err = installBMGen(); err != nil {
return
}
if err = genBM(ctx); err != nil {
return
}
}
if withGRPC {
if err = installGRPCGen(); err != nil {
return err
}
if err = genGRPC(ctx); err != nil {
return
}
}
if withSwagger {
if err = installSwaggerGen(); err != nil {
return
}
if err = genSwagger(ctx); err != nil {
return
}
}
log.Printf("generate %v success.\n", ctx.Args())
return nil
}
func checkProtoc() error {
if _, err := exec.LookPath("protoc"); err != nil {
switch runtime.GOOS {
case "darwin":
fmt.Println("brew install protobuf")
cmd := exec.Command("brew", "install", "protobuf")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err = cmd.Run(); err != nil {
return err
}
case "linux":
fmt.Println("snap install --classic protobuf")
cmd := exec.Command("snap", "install", "--classic", "protobuf")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err = cmd.Run(); err != nil {
return err
}
default:
return errors.New("您还没安装protobuf,请进行手动安装:https://github.com/protocolbuffers/protobuf/releases")
}
}
return nil
}
func generate(ctx *cli.Context, protoc string) error {
pwd, _ := os.Getwd()
gosrc := path.Join(gopath(), "src")
ext, err := latestKratos()
if err != nil {
return err
}
line := fmt.Sprintf(protoc, gosrc, ext, pwd)
log.Println(line, strings.Join(ctx.Args(), " "))
args := strings.Split(line, " ")
args = append(args, ctx.Args()...)
cmd := exec.Command(args[0], args[1:]...)
cmd.Dir = pwd
cmd.Env = os.Environ()
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func goget(url string) error {
args := strings.Split(url, " ")
cmd := exec.Command(args[0], args[1:]...)
cmd.Env = os.Environ()
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
log.Println(url)
return cmd.Run()
}
func latestKratos() (string, error) {
gopath := gopath()
ext := path.Join(gopath, "src/github.com/bilibili/kratos/third_party")
if _, err := os.Stat(ext); !os.IsNotExist(err) {
return ext, nil
}
baseMod := path.Join(gopath, "pkg/mod/github.com/bilibili")
files, err := ioutil.ReadDir(baseMod)
if err != nil {
return "", err
}
for i := len(files) - 1; i >= 0; i-- {
if strings.HasPrefix(files[i].Name(), "kratos@") {
return path.Join(baseMod, files[i].Name(), "third_party"), nil
}
}
return "", errors.New("not found kratos package")
}
func gopath() (gp string) {
gopaths := strings.Split(os.Getenv("GOPATH"), ":")
if len(gopaths) == 1 {
return gopaths[0]
}
pwd, err := os.Getwd()
if err != nil {
return
}
abspwd, err := filepath.Abs(pwd)
if err != nil {
return
}
for _, gopath := range gopaths {
absgp, err := filepath.Abs(gopath)
if err != nil {
return
}
if strings.HasPrefix(abspwd, absgp) {
return absgp
}
}
return build.Default.GOPATH
}