Migrate gitea-sdk to v0.12.0 (#133)

Migrate

Update code.gitea.io/sdk/gitea to v0.12.0.

Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/133
Reviewed-by: Andrew Thornton <art27@cantab.net>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>

vendor/code.gitea.io/sdk/gitea/repo_transfer.go

@@ -0,0 +1,32 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+)
+
+// TransferRepoOption options when transfer a repository's ownership
+type TransferRepoOption struct {
+	// required: true
+	NewOwner string `json:"new_owner"`
+	// ID of the team or teams to add to the repository. Teams can only be added to organization-owned repositories.
+	TeamIDs *[]int64 `json:"team_ids"`
+}
+
+// TransferRepo transfers the ownership of a repository
+func (c *Client) TransferRepo(owner, reponame string, opt TransferRepoOption) (*Repository, error) {
+	if err := c.CheckServerVersionConstraint(">=1.12.0"); err != nil {
+		return nil, err
+	}
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	repo := new(Repository)
+	return repo, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/transfer", owner, reponame), jsonHeader, bytes.NewReader(body), repo)
+}