| // Copyright 2019 Google LLC |
| // |
| // 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. |
| |
| // genlocal is a binary for generating gapics locally. It may be used to test out |
| // new changes, test the generation of a new library, test new generator tweaks, |
| // run generators against googleapis-private, and various other local tasks. |
| package main |
| |
| import ( |
| "context" |
| "flag" |
| "fmt" |
| "io/ioutil" |
| "log" |
| "os" |
| "path/filepath" |
| |
| "cloud.google.com/go/internal/gapicgen" |
| "cloud.google.com/go/internal/gapicgen/generator" |
| "golang.org/x/sync/errgroup" |
| "gopkg.in/src-d/go-git.v4" |
| ) |
| |
| var ( |
| toolsNeeded = []string{"pip3", "virtualenv", "python3", "go", "protoc", "docker"} |
| |
| usage = func() { |
| fmt.Fprintln(os.Stderr, "genlocal") |
| os.Exit(2) |
| } |
| ) |
| |
| func main() { |
| log.SetFlags(0) |
| |
| flag.Usage = usage |
| flag.Parse() |
| |
| ctx := context.Background() |
| |
| if err := gapicgen.VerifyAllToolsExist(toolsNeeded); err != nil { |
| log.Fatal(err) |
| } |
| |
| // Create temp dirs. |
| |
| log.Println("creating temp dir") |
| tmpDir, err := ioutil.TempDir("", "update-genproto") |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| log.Printf("working out %s\n", tmpDir) |
| |
| googleapisDir := filepath.Join(tmpDir, "googleapis") |
| gocloudDir := filepath.Join(tmpDir, "gocloud") |
| genprotoDir := filepath.Join(tmpDir, "genproto") |
| protoDir := filepath.Join(tmpDir, "proto") |
| |
| // Clone repos. |
| |
| grp, _ := errgroup.WithContext(ctx) |
| grp.Go(func() error { |
| return gitClone("https://github.com/googleapis/googleapis.git", googleapisDir) |
| }) |
| grp.Go(func() error { |
| return gitClone("https://github.com/googleapis/go-genproto", genprotoDir) |
| }) |
| grp.Go(func() error { |
| return gitClone("https://code.googlesource.com/gocloud", gocloudDir) |
| }) |
| grp.Go(func() error { |
| return gitClone("https://github.com/google/protobuf", protoDir) |
| }) |
| if err := grp.Wait(); err != nil { |
| log.Println(err) |
| } |
| |
| // Regen. |
| |
| if err := generator.Generate(ctx, googleapisDir, genprotoDir, gocloudDir, protoDir); err != nil { |
| log.Printf("Generator ran (and failed) in %s\n", tmpDir) |
| log.Fatal(err) |
| } |
| |
| // Log results. |
| |
| log.Println(genprotoDir) |
| log.Println(gocloudDir) |
| } |
| |
| // gitClone clones a repository in the given directory. |
| func gitClone(repo, dir string) error { |
| log.Printf("cloning %s\n", repo) |
| |
| _, err := git.PlainClone(dir, false, &git.CloneOptions{ |
| URL: repo, |
| Progress: os.Stdout, |
| }) |
| return err |
| } |