Golang github.FormatError函數代碼示例

func create(command *Command, args *Args) {
	_, err := git.Dir()
	if err != nil {
		err = fmt.Errorf("'create' must be run from inside a git repository")
		utils.Check(err)
	}

	var newRepoName string
	if args.IsParamsEmpty() {
		dirName, err := git.WorkdirName()
		utils.Check(err)
		newRepoName = github.SanitizeProjectName(dirName)
	} else {
		reg := regexp.MustCompile("^[^-]")
		if !reg.MatchString(args.FirstParam()) {
			err = fmt.Errorf("invalid argument: %s", args.FirstParam())
			utils.Check(err)
		}
		newRepoName = args.FirstParam()
	}

	config := github.CurrentConfig()
	host, err := config.DefaultHost()
	if err != nil {
		utils.Check(github.FormatError("creating repository", err))
	}

	owner := host.User
	if strings.Contains(newRepoName, "/") {
		split := strings.SplitN(newRepoName, "/", 2)
		owner = split[0]
		newRepoName = split[1]
	}

	project := github.NewProject(owner, newRepoName, host.Host)
	gh := github.NewClient(project.Host)

	if gh.IsRepositoryExist(project) {
		ui.Errorln("Existing repository detected. Updating git remote")
	} else {
		if !args.Noop {
			repo, err := gh.CreateRepository(project, flagCreateDescription, flagCreateHomepage, flagCreatePrivate)
			utils.Check(err)
			project = github.NewProject(repo.FullName, "", project.Host)
		}
	}

	localRepo, err := github.LocalRepo()
	utils.Check(err)

	remote, _ := localRepo.OriginRemote()
	if remote == nil || remote.Name != "origin" {
		url := project.GitURL("", "", true)
		args.Before("git", "remote", "add", "-f", "origin", url)
	}

	webUrl := project.WebURL("", "", "")
	args.NoForward()
	printBrowseOrCopy(args, webUrl, flagCreateBrowse, flagCreateCopy)
}

func fork(cmd *Command, args *Args) {
	localRepo, err := github.LocalRepo()
	utils.Check(err)

	project, err := localRepo.MainProject()
	if err != nil {
		utils.Check(fmt.Errorf("Error: repository under 'origin' remote is not a GitHub project"))
	}

	config := github.CurrentConfig()
	host, err := config.PromptForHost(project.Host)
	if err != nil {
		utils.Check(github.FormatError("forking repository", err))
	}

	originRemote, err := localRepo.OriginRemote()
	if err != nil {
		utils.Check(fmt.Errorf("Error creating fork: %s", err))
	}

	forkProject := github.NewProject(host.User, project.Name, project.Host)
	newRemoteName := forkProject.Owner

	client := github.NewClient(project.Host)
	existingRepo, err := client.Repository(forkProject)
	if err == nil {
		var parentURL *github.URL
		if parent := existingRepo.Parent; parent != nil {
			parentURL, _ = github.ParseURL(parent.HTMLURL)
		}
		if parentURL == nil || !project.SameAs(parentURL.Project) {
			err = fmt.Errorf("Error creating fork: %s already exists on %s",
				forkProject, forkProject.Host)
			utils.Check(err)
		}
	} else {
		if !args.Noop {
			newRepo, err := client.ForkRepository(project)
			utils.Check(err)
			forkProject.Owner = newRepo.Owner.Login
			forkProject.Name = newRepo.Name
		}
	}

	args.NoForward()
	if !flagForkNoRemote {
		originURL := originRemote.URL.String()
		url := forkProject.GitURL("", "", true)
		args.Before("git", "remote", "add", "-f", newRemoteName, originURL)
		args.Before("git", "remote", "set-url", newRemoteName, url)

		args.AfterFn(func() error {
			ui.Printf("new remote: %s\n", newRemoteName)
			return nil
		})
	}
}

func transformRemoteArgs(args *Args) {
	ownerWithName := args.LastParam()
	owner, name := parseRepoNameOwner(ownerWithName)
	if owner == "" {
		return
	}

	localRepo, err := github.LocalRepo()
	utils.Check(err)

	var repoName, host string
	if name == "" {
		project, err := localRepo.MainProject()
		if err == nil {
			repoName = project.Name
			host = project.Host
		} else {
			dirName, err := git.WorkdirName()
			utils.Check(err)
			repoName = github.SanitizeProjectName(dirName)
		}

		name = repoName
	}

	hostConfig, err := github.CurrentConfig().DefaultHost()
	if err != nil {
		utils.Check(github.FormatError("adding remote", err))
	}

	words := args.Words()
	isPrivate := parseRemotePrivateFlag(args)
	if len(words) == 2 && words[1] == "origin" {
		// Origin special case triggers default user/repo
		owner = hostConfig.User
		name = repoName
	} else if len(words) == 2 {
		// gh remote add jingweno foo/bar
		if idx := args.IndexOfParam(words[1]); idx != -1 {
			args.ReplaceParam(idx, owner)
		}
	} else {
		args.RemoveParam(args.ParamsSize() - 1)
	}

	if strings.ToLower(owner) == strings.ToLower(hostConfig.User) {
		owner = hostConfig.User
		isPrivate = true
	}

	project := github.NewProject(owner, name, host)
	// for GitHub Enterprise
	isPrivate = isPrivate || project.Host != github.GitHubHost
	url := project.GitURL(name, owner, isPrivate)
	args.AppendParams(url)
}

func transformCloneArgs(args *Args) {
	isSSH := parseClonePrivateFlag(args)
	hasValueRegxp := regexp.MustCompile("^(--(upload-pack|template|depth|origin|branch|reference|name)|-[ubo])$")
	nameWithOwnerRegexp := regexp.MustCompile(NameWithOwnerRe)
	for i := 0; i < args.ParamsSize(); i++ {
		a := args.Params[i]

		if strings.HasPrefix(a, "-") {
			if hasValueRegxp.MatchString(a) {
				i++
			}
		} else {
			if nameWithOwnerRegexp.MatchString(a) && !isDir(a) {
				name, owner := parseCloneNameAndOwner(a)
				var host *github.Host
				if owner == "" {
					config := github.CurrentConfig()
					h, err := config.DefaultHost()
					if err != nil {
						utils.Check(github.FormatError("cloning repository", err))
					}

					host = h
					owner = host.User
				}

				var hostStr string
				if host != nil {
					hostStr = host.Host
				}

				project := github.NewProject(owner, name, hostStr)
				if !isSSH &&
					args.Command != "submodule" &&
					!github.IsHttpsProtocol() {
					client := github.NewClient(project.Host)
					repo, err := client.Repository(project)
					isSSH = (err == nil) && (repo.Private || repo.Permissions.Push)
				}

				url := project.GitURL(name, owner, isSSH)
				args.ReplaceParam(i, url)
			}

			break
		}
	}
}

func transformInitArgs(args *Args) error {
	if !parseInitFlag(args) {
		return nil
	}

	var err error
	dirToInit := "."
	hasValueRegxp := regexp.MustCompile("^--(template|separate-git-dir|shared)$")

	// Find the first argument that isn't related to any of the init flags.
	// We assume this is the optional `directory` argument to git init.
	for i := 0; i < args.ParamsSize(); i++ {
		arg := args.Params[i]
		if hasValueRegxp.MatchString(arg) {
			i++
		} else if !strings.HasPrefix(arg, "-") {
			dirToInit = arg
			break
		}
	}

	dirToInit, err = filepath.Abs(dirToInit)
	if err != nil {
		return err
	}

	config := github.CurrentConfig()
	host, err := config.DefaultHost()
	if err != nil {
		utils.Check(github.FormatError("initializing repository", err))
	}

	// Assume that the name of the working directory is going to be the name of
	// the project on GitHub.
	projectName := strings.Replace(filepath.Base(dirToInit), " ", "-", -1)
	project := github.NewProject(host.User, projectName, "")
	url := project.GitURL("", "", true)

	addRemote := []string{
		"git", "--git-dir", filepath.Join(dirToInit, ".git"),
		"remote", "add", "origin", url,
	}
	args.After(addRemote...)

	return nil
}

/*
  # while on a topic branch called "feature":
  $ gh pull-request
  [ opens text editor to edit title & body for the request ]
  [ opened pull request on GitHub for "YOUR_USER:feature" ]

  # explicit pull base & head:
  $ gh pull-request -b jingweno:master -h jingweno:feature

  $ gh pull-request -m "title\n\nbody"
  [ create pull request with title & body  ]

  $ gh pull-request -i 123
  [ attached pull request to issue #123 ]

  $ gh pull-request https://github.com/jingweno/gh/pull/123
  [ attached pull request to issue #123 ]

  $ gh pull-request -F FILE
  [ create pull request with title & body from FILE ]
*/
func pullRequest(cmd *Command, args *Args) {
	localRepo, err := github.LocalRepo()
	utils.Check(err)

	currentBranch, err := localRepo.CurrentBranch()
	utils.Check(err)

	baseProject, err := localRepo.MainProject()
	utils.Check(err)

	host, err := github.CurrentConfig().PromptForHost(baseProject.Host)
	if err != nil {
		utils.Check(github.FormatError("creating pull request", err))
	}

	trackedBranch, headProject, err := localRepo.RemoteBranchAndProject(host.User, false)
	utils.Check(err)

	var (
		base, head string
		force      bool
	)

	force = flagPullRequestForce

	if flagPullRequestBase != "" {
		baseProject, base = parsePullRequestProject(baseProject, flagPullRequestBase)
	}

	if flagPullRequestHead != "" {
		headProject, head = parsePullRequestProject(headProject, flagPullRequestHead)
	}

	if args.ParamsSize() == 1 {
		arg := args.RemoveParam(0)
		flagPullRequestIssue = parsePullRequestIssueNumber(arg)
	}

	if base == "" {
		masterBranch := localRepo.MasterBranch()
		base = masterBranch.ShortName()
	}

	if head == "" && trackedBranch != nil {
		if !trackedBranch.IsRemote() {
			// the current branch tracking another branch
			// pretend there's no upstream at all
			trackedBranch = nil
		} else {
			if baseProject.SameAs(headProject) && base == trackedBranch.ShortName() {
				e := fmt.Errorf(`Aborted: head branch is the same as base ("%s")`, base)
				e = fmt.Errorf("%s\n(use `-h <branch>` to specify an explicit pull request head)", e)
				utils.Check(e)
			}
		}
	}

	if head == "" {
		if trackedBranch == nil {
			head = currentBranch.ShortName()
		} else {
			head = trackedBranch.ShortName()
		}
	}

	title, body, err := getTitleAndBodyFromFlags(flagPullRequestMessage, flagPullRequestFile)
	utils.Check(err)

	fullBase := fmt.Sprintf("%s:%s", baseProject.Owner, base)
	fullHead := fmt.Sprintf("%s:%s", headProject.Owner, head)

	if !force && trackedBranch != nil {
		remoteCommits, _ := git.RefList(trackedBranch.LongName(), "")
		if len(remoteCommits) > 0 {
			err = fmt.Errorf("Aborted: %d commits are not yet pushed to %s", len(remoteCommits), trackedBranch.LongName())
			err = fmt.Errorf("%s\n(use `-f` to force submit a pull request anyway)", err)
			utils.Check(err)
		}
	}
//.........這裏部分代碼省略.........

func create(command *Command, args *Args) {
	_, err := git.Dir()
	if err != nil {
		err = fmt.Errorf("'create' must be run from inside a git repository")
		utils.Check(err)
	}

	var newRepoName string
	if args.IsParamsEmpty() {
		newRepoName, err = utils.DirName()
		utils.Check(err)
	} else {
		reg := regexp.MustCompile("^[^-]")
		if !reg.MatchString(args.FirstParam()) {
			err = fmt.Errorf("invalid argument: %s", args.FirstParam())
			utils.Check(err)
		}
		newRepoName = args.FirstParam()
	}

	config := github.CurrentConfig()
	host, err := config.DefaultHost()
	if err != nil {
		utils.Check(github.FormatError("creating repository", err))
	}

	owner := host.User
	if strings.Contains(newRepoName, "/") {
		split := strings.SplitN(newRepoName, "/", 2)
		owner = split[0]
		newRepoName = split[1]
	}

	project := github.NewProject(owner, newRepoName, host.Host)
	gh := github.NewClient(project.Host)

	var action string
	if gh.IsRepositoryExist(project) {
		ui.Printf("%s already exists on %s\n", project, project.Host)
		action = "set remote origin"
	} else {
		action = "created repository"
		if !args.Noop {
			repo, err := gh.CreateRepository(project, flagCreateDescription, flagCreateHomepage, flagCreatePrivate)
			utils.Check(err)
			project = github.NewProject(repo.FullName, "", project.Host)
		}
	}

	localRepo, err := github.LocalRepo()
	utils.Check(err)

	remote, _ := localRepo.OriginRemote()
	if remote == nil || remote.Name != "origin" {
		url := project.GitURL("", "", true)
		args.Replace("git", "remote", "add", "-f", "origin", url)
	} else {
		args.Replace("git", "remote", "-v")
	}

	args.After("echo", fmt.Sprintf("%s:", action), project.String())
}

func browse(command *Command, args *Args) {
	var (
		dest    string
		subpage string
		path    string
		project *github.Project
		branch  *github.Branch
		err     error
	)

	if !args.IsParamsEmpty() {
		dest = args.RemoveParam(0)
	}

	if !args.IsParamsEmpty() {
		subpage = args.RemoveParam(0)
	}

	if args.Terminator {
		subpage = dest
		dest = ""
	}

	localRepo, _ := github.LocalRepo()
	if dest != "" {
		project = github.NewProject("", dest, "")
		branch = localRepo.MasterBranch()
	} else if subpage != "" && subpage != "commits" && subpage != "tree" && subpage != "blob" && subpage != "settings" {
		project, err = localRepo.MainProject()
		branch = localRepo.MasterBranch()
		utils.Check(err)
	} else {
		currentBranch, err := localRepo.CurrentBranch()
		if err != nil {
			currentBranch = localRepo.MasterBranch()
		}

		var owner string
		mainProject, err := localRepo.MainProject()
		if err == nil {
			host, err := github.CurrentConfig().PromptForHost(mainProject.Host)
			if err != nil {
				utils.Check(github.FormatError("in browse", err))
			} else {
				owner = host.User
			}
		}

		branch, project, _ = localRepo.RemoteBranchAndProject(owner, currentBranch.IsMaster())
		if branch == nil {
			branch = localRepo.MasterBranch()
		}
	}

	if project == nil {
		err := fmt.Errorf(command.Synopsis())
		utils.Check(err)
	}

	if subpage == "commits" {
		path = fmt.Sprintf("commits/%s", branchInURL(branch))
	} else if subpage == "tree" || subpage == "" {
		if !branch.IsMaster() {
			path = fmt.Sprintf("tree/%s", branchInURL(branch))
		}
	} else {
		path = subpage
	}

	pageUrl := project.WebURL("", "", path)
	launcher, err := utils.BrowserLauncher()
	utils.Check(err)

	if flagBrowseURLOnly {
		args.Replace("echo", pageUrl)
	} else {
		args.Replace(launcher[0], "", launcher[1:]...)
		args.AppendParams(pageUrl)
	}
}

func transformCloneArgs(args *Args) {
	isSSH := parseClonePrivateFlag(args)
	hasValueRegxp := regexp.MustCompile("^(--(upload-pack|template|depth|origin|branch|reference|name)|-[ubo])$")
	nameWithOwnerRegexp := regexp.MustCompile(NameWithOwnerRe)
	for i := 0; i < args.ParamsSize(); i++ {
		a := args.Params[i]

		if strings.HasPrefix(a, "-") {
			if hasValueRegxp.MatchString(a) {
				i++
			}
		} else {
			if nameWithOwnerRegexp.MatchString(a) && !isCloneable(a) {
				name, owner := parseCloneNameAndOwner(a)
				var host *github.Host
				if owner == "" {
					config := github.CurrentConfig()
					h, err := config.DefaultHost()
					if err != nil {
						utils.Check(github.FormatError("cloning repository", err))
					}

					host = h
					owner = host.User
				}

				var hostStr string
				if host != nil {
					hostStr = host.Host
				}

				expectWiki := strings.HasSuffix(name, ".wiki")
				if expectWiki {
					name = strings.TrimSuffix(name, ".wiki")
				}

				project := github.NewProject(owner, name, hostStr)
				gh := github.NewClient(project.Host)
				repo, err := gh.Repository(project)
				if err != nil {
					if strings.Contains(err.Error(), "HTTP 404") {
						err = fmt.Errorf("Error: repository %s/%s doesn't exist", project.Owner, project.Name)
					}
					utils.Check(err)
				}

				owner = repo.Owner.Login
				name = repo.Name
				if expectWiki {
					if !repo.HasWiki {
						utils.Check(fmt.Errorf("Error: %s/%s doesn't have a wiki", owner, name))
					} else {
						name = name + ".wiki"
					}
				}

				if !isSSH &&
					args.Command != "submodule" &&
					!github.IsHttpsProtocol() {
					isSSH = repo.Private || repo.Permissions.Push
				}

				url := project.GitURL(name, owner, isSSH)
				args.ReplaceParam(i, url)
			}

			break
		}
	}
}

func pullRequest(cmd *Command, args *Args) {
	localRepo, err := github.LocalRepo()
	utils.Check(err)

	currentBranch, err := localRepo.CurrentBranch()
	utils.Check(err)

	baseProject, err := localRepo.MainProject()
	utils.Check(err)

	host, err := github.CurrentConfig().PromptForHost(baseProject.Host)
	if err != nil {
		utils.Check(github.FormatError("creating pull request", err))
	}
	client := github.NewClientWithHost(host)

	trackedBranch, headProject, err := localRepo.RemoteBranchAndProject(host.User, false)
	utils.Check(err)

	var (
		base, head string
		force      bool
	)

	force = flagPullRequestForce

	if flagPullRequestBase != "" {
		baseProject, base = parsePullRequestProject(baseProject, flagPullRequestBase)
	}

	if flagPullRequestHead != "" {
		headProject, head = parsePullRequestProject(headProject, flagPullRequestHead)
	}

	if args.ParamsSize() == 1 {
		arg := args.RemoveParam(0)
		flagPullRequestIssue = parsePullRequestIssueNumber(arg)
	}

	if base == "" {
		masterBranch := localRepo.MasterBranch()
		base = masterBranch.ShortName()
	}

	if head == "" && trackedBranch != nil {
		if !trackedBranch.IsRemote() {
			// the current branch tracking another branch
			// pretend there's no upstream at all
			trackedBranch = nil
		} else {
			if baseProject.SameAs(headProject) && base == trackedBranch.ShortName() {
				e := fmt.Errorf(`Aborted: head branch is the same as base ("%s")`, base)
				e = fmt.Errorf("%s\n(use `-h <branch>` to specify an explicit pull request head)", e)
				utils.Check(e)
			}
		}
	}

	if head == "" {
		if trackedBranch == nil {
			head = currentBranch.ShortName()
		} else {
			head = trackedBranch.ShortName()
		}
	}

	if headRepo, err := client.Repository(headProject); err == nil {
		headProject.Owner = headRepo.Owner.Login
		headProject.Name = headRepo.Name
	}

	fullBase := fmt.Sprintf("%s:%s", baseProject.Owner, base)
	fullHead := fmt.Sprintf("%s:%s", headProject.Owner, head)

	if !force && trackedBranch != nil {
		remoteCommits, _ := git.RefList(trackedBranch.LongName(), "")
		if len(remoteCommits) > 0 {
			err = fmt.Errorf("Aborted: %d commits are not yet pushed to %s", len(remoteCommits), trackedBranch.LongName())
			err = fmt.Errorf("%s\n(use `-f` to force submit a pull request anyway)", err)
			utils.Check(err)
		}
	}

	var editor *github.Editor
	var title, body string

	baseTracking := base
	headTracking := head

	remote := gitRemoteForProject(baseProject)
	if remote != nil {
		baseTracking = fmt.Sprintf("%s/%s", remote.Name, base)
	}
	if remote == nil || !baseProject.SameAs(headProject) {
		remote = gitRemoteForProject(headProject)
	}
	if remote != nil {
		headTracking = fmt.Sprintf("%s/%s", remote.Name, head)
	}

//.........這裏部分代碼省略.........