Golang Context.Copy方法代碼示例

func PostBuild(c *gin.Context) {

	remote_ := remote.FromContext(c)
	repo := session.Repo(c)

	num, err := strconv.Atoi(c.Param("number"))
	if err != nil {
		c.AbortWithError(http.StatusBadRequest, err)
		return
	}

	user, err := store.GetUser(c, repo.UserID)
	if err != nil {
		log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	build, err := store.GetBuildNumber(c, repo, num)
	if err != nil {
		log.Errorf("failure to get build %d. %s", num, err)
		c.AbortWithError(404, err)
		return
	}

	// if the remote has a refresh token, the current access token
	// may be stale. Therefore, we should refresh prior to dispatching
	// the job.
	if refresher, ok := remote_.(remote.Refresher); ok {
		ok, _ := refresher.Refresh(user)
		if ok {
			store.UpdateUser(c, user)
		}
	}

	// fetch the .drone.yml file from the database
	raw, sec, err := remote_.Script(user, repo, build)
	if err != nil {
		log.Errorf("failure to get .drone.yml for %s. %s", repo.FullName, err)
		c.AbortWithError(404, err)
		return
	}

	key, _ := store.GetKey(c, repo)
	netrc, err := remote_.Netrc(user, repo)
	if err != nil {
		log.Errorf("failure to generate netrc for %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	jobs, err := store.GetJobList(c, build)
	if err != nil {
		log.Errorf("failure to get build %d jobs. %s", build.Number, err)
		c.AbortWithError(404, err)
		return
	}

	// must not restart a running build
	if build.Status == model.StatusPending || build.Status == model.StatusRunning {
		c.AbortWithStatus(409)
		return
	}

	// todo move this to database tier
	// and wrap inside a transaction
	build.Status = model.StatusPending
	build.Started = 0
	build.Finished = 0
	build.Enqueued = time.Now().UTC().Unix()
	for _, job := range jobs {
		job.Status = model.StatusPending
		job.Started = 0
		job.Finished = 0
		job.ExitCode = 0
		job.Enqueued = build.Enqueued
		store.UpdateJob(c, job)
	}

	err = store.UpdateBuild(c, build)
	if err != nil {
		c.AbortWithStatus(500)
		return
	}

	c.JSON(202, build)

	// get the previous build so taht we can send
	// on status change notifications
	last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)

	engine_ := context.Engine(c)
	go engine_.Schedule(c.Copy(), &engine.Task{
		User:      user,
		Repo:      repo,
		Build:     build,
		BuildPrev: last,
		Jobs:      jobs,
		Keys:      key,
		Netrc:     netrc,
//.........這裏部分代碼省略.........

//.........這裏部分代碼省略.........
	}

	// fetch the .drone.yml file from the database
	raw, sec, err := remote_.Script(user, repo, build)
	if err != nil {
		log.Errorf("failure to get .drone.yml for %s. %s", repo.FullName, err)
		c.AbortWithError(404, err)
		return
	}

	axes, err := matrix.Parse(string(raw))
	if err != nil {
		log.Errorf("failure to calculate matrix for %s. %s", repo.FullName, err)
		c.AbortWithError(400, err)
		return
	}
	if len(axes) == 0 {
		axes = append(axes, matrix.Axis{})
	}

	netrc, err := remote_.Netrc(user, repo)
	if err != nil {
		log.Errorf("failure to generate netrc for %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	key, _ := store.GetKey(c, repo)

	// verify the branches can be built vs skipped
	yconfig, _ := yaml.Parse(string(raw))
	var match = false
	for _, branch := range yconfig.Branches {
		if branch == build.Branch {
			match = true
			break
		}
		match, _ = filepath.Match(branch, build.Branch)
		if match {
			break
		}
	}
	if !match && len(yconfig.Branches) != 0 {
		log.Infof("ignoring hook. yaml file excludes repo and branch %s %s", repo.FullName, build.Branch)
		c.AbortWithStatus(200)
		return
	}

	// update some build fields
	build.Status = model.StatusPending
	build.RepoID = repo.ID

	// and use a transaction
	var jobs []*model.Job
	for num, axis := range axes {
		jobs = append(jobs, &model.Job{
			BuildID:     build.ID,
			Number:      num + 1,
			Status:      model.StatusPending,
			Environment: axis,
		})
	}
	err = store.CreateBuild(c, build, jobs...)
	if err != nil {
		log.Errorf("failure to save commit for %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	c.JSON(200, build)

	url := fmt.Sprintf("%s/%s/%d", httputil.GetURL(c.Request), repo.FullName, build.Number)
	err = remote_.Status(user, repo, build, url)
	if err != nil {
		log.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number)
	}

	// get the previous build so taht we can send
	// on status change notifications
	last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)

	engine_ := context.Engine(c)
	go engine_.Schedule(c.Copy(), &engine.Task{
		User:      user,
		Repo:      repo,
		Build:     build,
		BuildPrev: last,
		Jobs:      jobs,
		Keys:      key,
		Netrc:     netrc,
		Config:    string(raw),
		Secret:    string(sec),
		System: &model.System{
			Link:    httputil.GetURL(c.Request),
			Plugins: strings.Split(os.Getenv("PLUGIN_FILTER"), " "),
			Globals: strings.Split(os.Getenv("PLUGIN_PARAMS"), " "),
		},
	})

}