[Vendor] upgrade google/go-github to v32.1.0 (#12361) (#12390)

* upgrate go-github client to v32.1.0

* migrate

vendor/github.com/google/go-github/v32/github/git_trees.go

@@ -0,0 +1,162 @@
+// Copyright 2013 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+)
+
+// Tree represents a GitHub tree.
+type Tree struct {
+	SHA     *string      `json:"sha,omitempty"`
+	Entries []*TreeEntry `json:"tree,omitempty"`
+
+	// Truncated is true if the number of items in the tree
+	// exceeded GitHub's maximum limit and the Entries were truncated
+	// in the response. Only populated for requests that fetch
+	// trees like Git.GetTree.
+	Truncated *bool `json:"truncated,omitempty"`
+}
+
+func (t Tree) String() string {
+	return Stringify(t)
+}
+
+// TreeEntry represents the contents of a tree structure. TreeEntry can
+// represent either a blob, a commit (in the case of a submodule), or another
+// tree.
+type TreeEntry struct {
+	SHA     *string `json:"sha,omitempty"`
+	Path    *string `json:"path,omitempty"`
+	Mode    *string `json:"mode,omitempty"`
+	Type    *string `json:"type,omitempty"`
+	Size    *int    `json:"size,omitempty"`
+	Content *string `json:"content,omitempty"`
+	URL     *string `json:"url,omitempty"`
+}
+
+func (t TreeEntry) String() string {
+	return Stringify(t)
+}
+
+// treeEntryWithFileDelete is used internally to delete a file whose
+// Content and SHA fields are empty. It does this by removing the "omitempty"
+// tag modifier on the SHA field which causes the GitHub API to receive
+// {"sha":null} and thereby delete the file.
+type treeEntryWithFileDelete struct {
+	SHA     *string `json:"sha"`
+	Path    *string `json:"path,omitempty"`
+	Mode    *string `json:"mode,omitempty"`
+	Type    *string `json:"type,omitempty"`
+	Size    *int    `json:"size,omitempty"`
+	Content *string `json:"content,omitempty"`
+	URL     *string `json:"url,omitempty"`
+}
+
+func (t *TreeEntry) MarshalJSON() ([]byte, error) {
+	if t.SHA == nil && t.Content == nil {
+		return json.Marshal(struct {
+			SHA  *string `json:"sha"`
+			Path *string `json:"path,omitempty"`
+			Mode *string `json:"mode,omitempty"`
+			Type *string `json:"type,omitempty"`
+		}{
+			nil,
+			t.Path,
+			t.Mode,
+			t.Type,
+		})
+	}
+	return json.Marshal(struct {
+		SHA     *string `json:"sha,omitempty"`
+		Path    *string `json:"path,omitempty"`
+		Mode    *string `json:"mode,omitempty"`
+		Type    *string `json:"type,omitempty"`
+		Size    *int    `json:"size,omitempty"`
+		Content *string `json:"content,omitempty"`
+		URL     *string `json:"url,omitempty"`
+	}{
+		SHA:     t.SHA,
+		Path:    t.Path,
+		Mode:    t.Mode,
+		Type:    t.Type,
+		Size:    t.Size,
+		Content: t.Content,
+		URL:     t.URL,
+	})
+}
+
+// GetTree fetches the Tree object for a given sha hash from a repository.
+//
+// GitHub API docs: https://developer.github.com/v3/git/trees/#get-a-tree
+func (s *GitService) GetTree(ctx context.Context, owner string, repo string, sha string, recursive bool) (*Tree, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/git/trees/%v", owner, repo, sha)
+	if recursive {
+		u += "?recursive=1"
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	t := new(Tree)
+	resp, err := s.client.Do(ctx, req, t)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return t, resp, nil
+}
+
+// createTree represents the body of a CreateTree request.
+type createTree struct {
+	BaseTree string        `json:"base_tree,omitempty"`
+	Entries  []interface{} `json:"tree"`
+}
+
+// CreateTree creates a new tree in a repository. If both a tree and a nested
+// path modifying that tree are specified, it will overwrite the contents of
+// that tree with the new path contents and write a new tree out.
+//
+// GitHub API docs: https://developer.github.com/v3/git/trees/#create-a-tree
+func (s *GitService) CreateTree(ctx context.Context, owner string, repo string, baseTree string, entries []*TreeEntry) (*Tree, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/git/trees", owner, repo)
+
+	newEntries := make([]interface{}, 0, len(entries))
+	for _, entry := range entries {
+		if entry.Content == nil && entry.SHA == nil {
+			newEntries = append(newEntries, treeEntryWithFileDelete{
+				Path: entry.Path,
+				Mode: entry.Mode,
+				Type: entry.Type,
+				Size: entry.Size,
+				URL:  entry.URL,
+			})
+			continue
+		}
+		newEntries = append(newEntries, entry)
+	}
+
+	body := &createTree{
+		BaseTree: baseTree,
+		Entries:  newEntries,
+	}
+	req, err := s.client.NewRequest("POST", u, body)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	t := new(Tree)
+	resp, err := s.client.Do(ctx, req, t)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return t, resp, nil
+}