mirror of https://gitlab.com/gitlab-org/cli.git
314 lines
8.4 KiB
Go
314 lines
8.4 KiB
Go
package fork
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import (
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"errors"
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"fmt"
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"net/url"
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"gitlab.com/gitlab-org/cli/pkg/iostreams"
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"github.com/MakeNowJust/heredoc"
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"github.com/spf13/cobra"
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"github.com/xanzy/go-gitlab"
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"gitlab.com/gitlab-org/cli/api"
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"gitlab.com/gitlab-org/cli/commands/cmdutils"
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"gitlab.com/gitlab-org/cli/internal/config"
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"gitlab.com/gitlab-org/cli/internal/glrepo"
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"gitlab.com/gitlab-org/cli/internal/run"
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"gitlab.com/gitlab-org/cli/pkg/git"
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"gitlab.com/gitlab-org/cli/pkg/prompt"
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)
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type ForkOptions struct {
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Clone bool
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AddRemote bool
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Repo string
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Name string
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Path string
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CloneSet bool
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AddRemoteSet bool
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IsTerminal bool
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// whether the user specified the repo to clone
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// if false current git repo will be cloned
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CurrentDirIsParent bool
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RepoToFork glrepo.Interface
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IO *iostreams.IOStreams
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LabClient *gitlab.Client
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CurrentUser *gitlab.User
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BaseRepo func() (glrepo.Interface, error)
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Remotes func() (glrepo.Remotes, error)
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Config func() (config.Config, error)
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}
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func NewCmdFork(f *cmdutils.Factory, runE func(*cmdutils.Factory) error) *cobra.Command {
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opts := &ForkOptions{
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IO: f.IO,
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BaseRepo: f.BaseRepo,
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Remotes: f.Remotes,
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Config: f.Config,
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CurrentDirIsParent: true,
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}
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var forkCmd = &cobra.Command{
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Use: "fork <repo>",
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Short: "Create a fork of a GitLab repository",
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Example: heredoc.Doc(`
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glab repo fork
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glab repo fork namespace/repo
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glab repo fork namespace/repo --clone
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`),
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Args: cobra.MaximumNArgs(1),
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RunE: func(cmd *cobra.Command, args []string) (err error) {
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if len(args) > 0 {
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opts.Repo = args[0]
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opts.CurrentDirIsParent = false
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}
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opts.CloneSet = cmd.Flags().Changed("clone")
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opts.AddRemoteSet = cmd.Flags().Changed("remote")
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opts.IsTerminal = opts.IO.IsaTTY && opts.IO.IsErrTTY && opts.IO.IsInTTY
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if runE != nil {
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return runE(f)
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}
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opts.LabClient, err = f.HttpClient()
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if err != nil {
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return err
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}
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opts.CurrentUser, err = api.CurrentUser(opts.LabClient)
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if err != nil {
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return err
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}
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return forkRun(opts)
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},
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}
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forkCmd.Flags().StringVarP(&opts.Name, "name", "n", "", "The name assigned to the resultant project after forking")
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forkCmd.Flags().StringVarP(&opts.Path, "path", "p", "", "The path assigned to the resultant project after forking")
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forkCmd.Flags().BoolVarP(&opts.Clone, "clone", "c", false, "Clone the fork {true|false}")
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forkCmd.Flags().BoolVar(&opts.AddRemote, "remote", false, "Add remote for fork {true|false}")
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return forkCmd
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}
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func forkRun(opts *ForkOptions) error {
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var err error
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c := opts.IO.Color()
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if opts.Repo != "" {
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if git.IsValidURL(opts.Repo) {
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u, err := url.Parse(opts.Repo)
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if err != nil {
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return fmt.Errorf("invalid argument: %w", err)
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}
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opts.RepoToFork, err = glrepo.FromURL(u)
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if err != nil {
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return fmt.Errorf("invalid argument: %w", err)
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}
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} else {
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opts.RepoToFork, err = glrepo.FromFullName(opts.Repo)
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if err != nil {
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return fmt.Errorf("argument error: %w", err)
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}
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}
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} else {
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opts.RepoToFork, err = opts.BaseRepo()
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if err != nil {
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return fmt.Errorf("unable to determine source repository: %w", err)
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}
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}
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cfg, err := opts.Config()
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if err != nil {
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return err
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}
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apiClient, err := api.NewClientWithCfg(opts.RepoToFork.RepoHost(), cfg, false)
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if err != nil {
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return err
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}
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opts.LabClient = apiClient.LabClient
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if opts.IsTerminal {
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fmt.Fprintf(opts.IO.StdErr, "- Forking %s\n", c.Bold(opts.RepoToFork.FullName()))
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}
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forkOpts := &gitlab.ForkProjectOptions{}
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if opts.Name != "" {
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forkOpts.Name = gitlab.String(opts.Name)
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}
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if opts.Path != "" {
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forkOpts.Path = gitlab.String(opts.Path)
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}
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forkedProject, err := api.ForkProject(opts.LabClient, opts.RepoToFork.FullName(), forkOpts)
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if err != nil {
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return err
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}
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// The forking operation for a project is asynchronous and is completed in a background job.
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// The request returns immediately. To determine whether the fork of the project has completed,
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// we query the import_status for the new project.
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importStatus := ""
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var importError error
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var maximumRetries = 3
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var retries = 0
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var skipFirstCheck = true
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loop:
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for {
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if !skipFirstCheck {
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// get the forked project
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forkedProject, err = api.GetProject(opts.LabClient, forkedProject.ID)
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if err != nil {
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fmt.Fprintf(opts.IO.StdErr, "error checking fork status: %q", err.Error())
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if retries == maximumRetries {
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break loop
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}
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fmt.Fprintln(opts.IO.StdErr, "- Retrying")
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retries++
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continue
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}
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}
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skipFirstCheck = false
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// check import status of Fork
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// Import status should be one of {none, failed, scheduled, started, finished}
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// https://docs.gitlab.com/ee/api/project_import_export.html#import-status
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switch forkedProject.ImportStatus {
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case "none": // no import initiated
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break loop
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case importStatus:
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continue
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case "scheduled", "started": // import scheduled or started
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if importStatus != forkedProject.ImportStatus { // avoid printing the same message again
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fmt.Fprintln(opts.IO.StdErr, "- "+forkedProject.ImportStatus)
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importStatus = forkedProject.ImportStatus
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}
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case "finished": // import completed
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fmt.Fprintln(opts.IO.StdErr, "- "+forkedProject.ImportStatus)
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break loop
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case "failed": // import failed
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importError = errors.New(forkedProject.ImportError) // return the import error
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break loop
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default:
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break loop
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}
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}
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if importError != nil {
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fmt.Fprintf(opts.IO.StdErr, "%s: %q", c.Red("Fork failed"), importError.Error())
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return nil
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}
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fmt.Fprintf(opts.IO.StdErr, "%s Created fork %s\n", c.GreenCheck(), forkedProject.PathWithNamespace)
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if (!opts.IsTerminal && opts.CurrentDirIsParent && (!opts.AddRemote && opts.AddRemoteSet)) ||
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(!opts.CurrentDirIsParent && (!opts.Clone && opts.AddRemoteSet)) {
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return nil
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}
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protocol, err := cfg.Get(opts.RepoToFork.RepoHost(), "git_protocol")
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if err != nil {
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return err
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}
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if opts.CurrentDirIsParent {
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remotes, err := opts.Remotes()
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if err != nil {
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return err
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}
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if remote, err := remotes.FindByRepo(opts.RepoToFork.RepoOwner(), opts.RepoToFork.RepoName()); err == nil {
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scheme := ""
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if remote.FetchURL != nil {
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scheme = remote.FetchURL.Scheme
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}
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if remote.PushURL != nil {
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scheme = remote.PushURL.Scheme
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}
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if scheme != "" {
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protocol = scheme
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}
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}
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if remote, err := remotes.FindByRepo(forkedProject.Namespace.FullPath, forkedProject.Path); err == nil {
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if opts.IsTerminal {
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fmt.Fprintf(opts.IO.StdErr, "%s Using existing remote %s\n", c.GreenCheck(), c.Bold(remote.Name))
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}
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return nil
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}
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remoteDesired := opts.AddRemote
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if !opts.AddRemoteSet {
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err = prompt.Confirm(&remoteDesired, "Would you like to add a remote for the fork?", true)
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if err != nil {
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return fmt.Errorf("failed to prompt: %w", err)
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}
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}
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if remoteDesired {
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remoteName := "origin"
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remotes, err := opts.Remotes()
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if err != nil {
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return err
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}
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if _, err := remotes.FindByName(remoteName); err == nil {
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renameTarget := "upstream"
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renameCmd := git.GitCommand("remote", "rename", remoteName, renameTarget)
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err = run.PrepareCmd(renameCmd).Run()
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if err != nil {
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return err
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}
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if opts.IsTerminal {
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fmt.Fprintf(opts.IO.StdErr, "%s Renamed %s remote to %s\n", c.GreenCheck(), c.Bold(remoteName), c.Bold(renameTarget))
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}
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}
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forkedRepoCloneURL := glrepo.RemoteURL(forkedProject, protocol)
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_, err = git.AddRemote(remoteName, forkedRepoCloneURL)
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if err != nil {
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return fmt.Errorf("failed to add remote: %w", err)
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}
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if opts.IsTerminal {
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fmt.Fprintf(opts.IO.StdErr, "%s Added remote %s\n", c.GreenCheck(), c.Bold(remoteName))
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}
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}
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} else {
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cloneDesired := opts.Clone
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if !opts.AddRemoteSet {
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err = prompt.Confirm(&cloneDesired, "Would you like to clone the fork?", true)
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if err != nil {
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return fmt.Errorf("failed to prompt: %w", err)
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}
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}
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if cloneDesired {
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repoToFork, err := api.GetProject(opts.LabClient, opts.RepoToFork.FullName())
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if err != nil {
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return err
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}
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forkedRepoURL := glrepo.RemoteURL(forkedProject, protocol)
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cloneDir, err := git.RunClone(forkedRepoURL, []string{})
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if err != nil {
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return fmt.Errorf("failed to clone fork: %w", err)
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}
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upstreamURL := glrepo.RemoteURL(repoToFork, protocol)
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err = git.AddUpstreamRemote(upstreamURL, cloneDir)
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if err != nil {
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return err
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}
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if opts.IsTerminal {
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fmt.Fprintf(opts.IO.StdErr, "%s Cloned fork\n", c.GreenCheck())
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}
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}
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}
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return nil
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}
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