added migrate command (#587)

Relates to #22, but adds in all the necessary flags. I tested it manually with some scripting and it works as intended.

Signed-off-by: Sienna Lloyd <sienna@linux.com>

Co-authored-by: techknowlogick <techknowlogick@gitea.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/587
Reviewed-by: techknowlogick <techknowlogick@noreply.gitea.com>
Co-authored-by: Sienna Lloyd <sienna@linux.com>
Co-committed-by: Sienna Lloyd <sienna@linux.com>

cmd/repos/migrate.go

@@ -0,0 +1,168 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repos
+
+import (
+	"fmt"
+
+	"code.gitea.io/tea/cmd/flags"
+	"code.gitea.io/tea/modules/context"
+	"code.gitea.io/tea/modules/print"
+
+	"code.gitea.io/sdk/gitea"
+	"github.com/urfave/cli/v2"
+)
+
+// CmdRepoMigrate represents a sub command of repos to migrate one
+var CmdRepoMigrate = cli.Command{
+	Name:        "migrate",
+	Aliases:     []string{"m"},
+	Usage:       "Migrate a repository",
+	Description: "Migrate a repository and or mirror it.",
+	ArgsUsage:   " ", // command does not accept arguments
+	Action:      runRepoMigrate,
+	Flags: append([]cli.Flag{
+		&cli.StringFlag{
+			Name:     "name",
+			Usage:    "Name of the repository",
+			Required: true,
+		},
+		&cli.StringFlag{
+			Name:     "owner",
+			Usage:    "Owner of the repository",
+			Required: true,
+		},
+		&cli.StringFlag{
+			Name:     "clone-url",
+			Usage:    "Clone URL of the repository",
+			Required: true,
+		},
+		&cli.StringFlag{
+			Name: "service",
+			Usage: string("Service to migrate from. Supported services are: " + gitea.GitServicePlain +
+				", " + gitea.GitServiceGitea + ", " + gitea.GitServiceGitlab + ", " + gitea.GitServiceGogs),
+			Required: true,
+		},
+		&cli.BoolFlag{
+			Name:  "mirror",
+			Usage: "Mirror the repository",
+		},
+		&cli.BoolFlag{
+			Name:  "private",
+			Usage: "Make the repository private",
+		},
+		&cli.BoolFlag{
+			Name:  "template",
+			Usage: "Make the repository a template",
+		},
+		&cli.BoolFlag{
+			Name:  "wiki",
+			Usage: "Copy the wiki",
+		},
+		&cli.BoolFlag{
+			Name:  "issues",
+			Usage: "Copy the issues",
+		},
+		&cli.BoolFlag{
+			Name:  "pull-requests",
+			Usage: "Copy the pull requests",
+		},
+		&cli.BoolFlag{
+			Name:  "releases",
+			Usage: "Copy the releases",
+		},
+		&cli.BoolFlag{
+			Name:  "milestones",
+			Usage: "Copy the milestones",
+		},
+		&cli.StringFlag{
+			Name:  "mirror-interval",
+			Usage: "Interval to mirror the repository.",
+		},
+		&cli.BoolFlag{
+			Name:  "lfs",
+			Usage: "Copy the LFS objects",
+		},
+		&cli.StringFlag{
+			Name:  "lfs-endpoint",
+			Usage: "LFS endpoint to use",
+		},
+		&cli.StringFlag{
+			Name:  "auth-user",
+			Usage: "Username to use for authentication.",
+		},
+		&cli.StringFlag{
+			Name:  "auth-password",
+			Usage: "Password to use for authentication.",
+		},
+		&cli.StringFlag{
+			Name:  "auth-token",
+			Usage: "Token to use for authentication.",
+		},
+	}, flags.LoginOutputFlags...),
+}
+
+func runRepoMigrate(cmd *cli.Context) error {
+	ctx := context.InitCommand(cmd)
+	client := ctx.Login.Client()
+	var (
+		repo    *gitea.Repository
+		err     error
+		service gitea.GitServiceType
+	)
+
+	if ctx.IsSet("service") {
+		switch ctx.String("service") {
+		case "git":
+			service = gitea.GitServicePlain
+		case "gitea":
+			service = gitea.GitServiceGitea
+		case "gitlab":
+			service = gitea.GitServiceGitlab
+		case "gogs":
+			service = gitea.GitServiceGogs
+		case "github":
+			service = gitea.GitServiceGithub
+		default:
+			return fmt.Errorf("unknown git service type '%s'", ctx.String("service"))
+		}
+	}
+
+	opts := gitea.MigrateRepoOption{
+		RepoName:       ctx.String("name"),
+		RepoOwner:      ctx.String("owner"),
+		CloneAddr:      ctx.String("clone-url"),
+		Service:        service,
+		AuthUsername:   ctx.String("auth-user"),
+		AuthPassword:   ctx.String("auth-password"),
+		AuthToken:      ctx.String("auth-token"),
+		Mirror:         ctx.Bool("mirror"),
+		Private:        ctx.Bool("private"),
+		Description:    ctx.String("description"),
+		Wiki:           ctx.Bool("wiki"),
+		Milestones:     ctx.Bool("milestones"),
+		Labels:         ctx.Bool("labels"),
+		Issues:         ctx.Bool("issues"),
+		PullRequests:   ctx.Bool("pull-requests"),
+		Releases:       ctx.Bool("releases"),
+		MirrorInterval: ctx.String("mirror-interval"),
+		LFS:            ctx.Bool("lfs"),
+		LFSEndpoint:    ctx.String("lfs-endpoint"),
+	}
+
+	repo, _, err = client.MigrateRepo(opts)
+
+	if err != nil {
+		return err
+	}
+
+	topics, _, err := client.ListRepoTopics(repo.Owner.UserName, repo.Name, gitea.ListRepoTopicsOptions{})
+	if err != nil {
+		return err
+	}
+	print.RepoDetails(repo, topics)
+
+	fmt.Printf("%s\n", repo.HTMLURL)
+	return nil
+}