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482 lines
17 KiB
482 lines
17 KiB
// Copyright 2013 The go-github AUTHORS. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package github
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import (
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"bytes"
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"context"
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"fmt"
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"strings"
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"time"
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)
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// PullRequestsService handles communication with the pull request related
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// methods of the GitHub API.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/
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type PullRequestsService service
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// PullRequest represents a GitHub pull request on a repository.
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type PullRequest struct {
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ID *int64 `json:"id,omitempty"`
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Number *int `json:"number,omitempty"`
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State *string `json:"state,omitempty"`
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Locked *bool `json:"locked,omitempty"`
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Title *string `json:"title,omitempty"`
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Body *string `json:"body,omitempty"`
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CreatedAt *time.Time `json:"created_at,omitempty"`
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UpdatedAt *time.Time `json:"updated_at,omitempty"`
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ClosedAt *time.Time `json:"closed_at,omitempty"`
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MergedAt *time.Time `json:"merged_at,omitempty"`
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Labels []*Label `json:"labels,omitempty"`
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User *User `json:"user,omitempty"`
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Draft *bool `json:"draft,omitempty"`
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Merged *bool `json:"merged,omitempty"`
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Mergeable *bool `json:"mergeable,omitempty"`
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MergeableState *string `json:"mergeable_state,omitempty"`
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MergedBy *User `json:"merged_by,omitempty"`
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MergeCommitSHA *string `json:"merge_commit_sha,omitempty"`
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Rebaseable *bool `json:"rebaseable,omitempty"`
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Comments *int `json:"comments,omitempty"`
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Commits *int `json:"commits,omitempty"`
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Additions *int `json:"additions,omitempty"`
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Deletions *int `json:"deletions,omitempty"`
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ChangedFiles *int `json:"changed_files,omitempty"`
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URL *string `json:"url,omitempty"`
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HTMLURL *string `json:"html_url,omitempty"`
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IssueURL *string `json:"issue_url,omitempty"`
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StatusesURL *string `json:"statuses_url,omitempty"`
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DiffURL *string `json:"diff_url,omitempty"`
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PatchURL *string `json:"patch_url,omitempty"`
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CommitsURL *string `json:"commits_url,omitempty"`
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CommentsURL *string `json:"comments_url,omitempty"`
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ReviewCommentsURL *string `json:"review_comments_url,omitempty"`
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ReviewCommentURL *string `json:"review_comment_url,omitempty"`
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ReviewComments *int `json:"review_comments,omitempty"`
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Assignee *User `json:"assignee,omitempty"`
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Assignees []*User `json:"assignees,omitempty"`
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Milestone *Milestone `json:"milestone,omitempty"`
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MaintainerCanModify *bool `json:"maintainer_can_modify,omitempty"`
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AuthorAssociation *string `json:"author_association,omitempty"`
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NodeID *string `json:"node_id,omitempty"`
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RequestedReviewers []*User `json:"requested_reviewers,omitempty"`
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// RequestedTeams is populated as part of the PullRequestEvent.
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// See, https://developer.github.com/v3/activity/events/types/#pullrequestevent for an example.
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RequestedTeams []*Team `json:"requested_teams,omitempty"`
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Links *PRLinks `json:"_links,omitempty"`
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Head *PullRequestBranch `json:"head,omitempty"`
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Base *PullRequestBranch `json:"base,omitempty"`
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// ActiveLockReason is populated only when LockReason is provided while locking the pull request.
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// Possible values are: "off-topic", "too heated", "resolved", and "spam".
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ActiveLockReason *string `json:"active_lock_reason,omitempty"`
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}
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func (p PullRequest) String() string {
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return Stringify(p)
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}
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// PRLink represents a single link object from Github pull request _links.
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type PRLink struct {
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HRef *string `json:"href,omitempty"`
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}
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// PRLinks represents the "_links" object in a Github pull request.
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type PRLinks struct {
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Self *PRLink `json:"self,omitempty"`
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HTML *PRLink `json:"html,omitempty"`
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Issue *PRLink `json:"issue,omitempty"`
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Comments *PRLink `json:"comments,omitempty"`
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ReviewComments *PRLink `json:"review_comments,omitempty"`
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ReviewComment *PRLink `json:"review_comment,omitempty"`
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Commits *PRLink `json:"commits,omitempty"`
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Statuses *PRLink `json:"statuses,omitempty"`
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}
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// PullRequestBranch represents a base or head branch in a GitHub pull request.
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type PullRequestBranch struct {
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Label *string `json:"label,omitempty"`
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Ref *string `json:"ref,omitempty"`
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SHA *string `json:"sha,omitempty"`
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Repo *Repository `json:"repo,omitempty"`
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User *User `json:"user,omitempty"`
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}
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// PullRequestListOptions specifies the optional parameters to the
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// PullRequestsService.List method.
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type PullRequestListOptions struct {
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// State filters pull requests based on their state. Possible values are:
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// open, closed, all. Default is "open".
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State string `url:"state,omitempty"`
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// Head filters pull requests by head user and branch name in the format of:
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// "user:ref-name".
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Head string `url:"head,omitempty"`
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// Base filters pull requests by base branch name.
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Base string `url:"base,omitempty"`
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// Sort specifies how to sort pull requests. Possible values are: created,
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// updated, popularity, long-running. Default is "created".
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Sort string `url:"sort,omitempty"`
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// Direction in which to sort pull requests. Possible values are: asc, desc.
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// If Sort is "created" or not specified, Default is "desc", otherwise Default
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// is "asc"
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Direction string `url:"direction,omitempty"`
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ListOptions
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}
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// List the pull requests for the specified repository.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#list-pull-requests
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func (s *PullRequestsService) List(ctx context.Context, owner string, repo string, opts *PullRequestListOptions) ([]*PullRequest, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls", owner, repo)
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u, err := addOptions(u, opts)
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if err != nil {
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return nil, nil, err
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}
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req, err := s.client.NewRequest("GET", u, nil)
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if err != nil {
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return nil, nil, err
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}
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// TODO: remove custom Accept header when this API fully launches.
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acceptHeaders := []string{mediaTypeLockReasonPreview}
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req.Header.Set("Accept", strings.Join(acceptHeaders, ", "))
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var pulls []*PullRequest
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resp, err := s.client.Do(ctx, req, &pulls)
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if err != nil {
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return nil, resp, err
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}
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return pulls, resp, nil
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}
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// ListPullRequestsWithCommit returns pull requests associated with a commit SHA.
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//
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// The results will include open and closed pull requests.
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//
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// GitHub API docs: https://developer.github.com/v3/repos/commits/#list-pull-requests-associated-with-a-commit
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func (s *PullRequestsService) ListPullRequestsWithCommit(ctx context.Context, owner, repo, sha string, opts *PullRequestListOptions) ([]*PullRequest, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/commits/%v/pulls", owner, repo, sha)
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u, err := addOptions(u, opts)
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if err != nil {
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return nil, nil, err
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}
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req, err := s.client.NewRequest("GET", u, nil)
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if err != nil {
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return nil, nil, err
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}
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// TODO: remove custom Accept header when this API fully launches.
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acceptHeaders := []string{mediaTypeListPullsOrBranchesForCommitPreview, mediaTypeLockReasonPreview}
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req.Header.Set("Accept", strings.Join(acceptHeaders, ", "))
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var pulls []*PullRequest
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resp, err := s.client.Do(ctx, req, &pulls)
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if err != nil {
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return nil, resp, err
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}
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return pulls, resp, nil
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}
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// Get a single pull request.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#get-a-pull-request
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func (s *PullRequestsService) Get(ctx context.Context, owner string, repo string, number int) (*PullRequest, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls/%d", owner, repo, number)
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req, err := s.client.NewRequest("GET", u, nil)
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if err != nil {
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return nil, nil, err
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}
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// TODO: remove custom Accept header when this API fully launches.
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acceptHeaders := []string{mediaTypeLockReasonPreview}
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req.Header.Set("Accept", strings.Join(acceptHeaders, ", "))
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pull := new(PullRequest)
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resp, err := s.client.Do(ctx, req, pull)
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if err != nil {
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return nil, resp, err
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}
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return pull, resp, nil
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}
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// GetRaw gets a single pull request in raw (diff or patch) format.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#get-a-pull-request
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func (s *PullRequestsService) GetRaw(ctx context.Context, owner string, repo string, number int, opts RawOptions) (string, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls/%d", owner, repo, number)
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req, err := s.client.NewRequest("GET", u, nil)
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if err != nil {
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return "", nil, err
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}
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switch opts.Type {
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case Diff:
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req.Header.Set("Accept", mediaTypeV3Diff)
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case Patch:
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req.Header.Set("Accept", mediaTypeV3Patch)
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default:
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return "", nil, fmt.Errorf("unsupported raw type %d", opts.Type)
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}
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var buf bytes.Buffer
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resp, err := s.client.Do(ctx, req, &buf)
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if err != nil {
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return "", resp, err
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}
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return buf.String(), resp, nil
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}
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// NewPullRequest represents a new pull request to be created.
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type NewPullRequest struct {
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Title *string `json:"title,omitempty"`
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Head *string `json:"head,omitempty"`
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Base *string `json:"base,omitempty"`
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Body *string `json:"body,omitempty"`
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Issue *int `json:"issue,omitempty"`
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MaintainerCanModify *bool `json:"maintainer_can_modify,omitempty"`
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Draft *bool `json:"draft,omitempty"`
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}
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// Create a new pull request on the specified repository.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#create-a-pull-request
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func (s *PullRequestsService) Create(ctx context.Context, owner string, repo string, pull *NewPullRequest) (*PullRequest, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls", owner, repo)
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req, err := s.client.NewRequest("POST", u, pull)
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if err != nil {
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return nil, nil, err
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}
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p := new(PullRequest)
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resp, err := s.client.Do(ctx, req, p)
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if err != nil {
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return nil, resp, err
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}
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return p, resp, nil
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}
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// PullRequestBranchUpdateOptions specifies the optional parameters to the
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// PullRequestsService.UpdateBranch method.
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type PullRequestBranchUpdateOptions struct {
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// ExpectedHeadSHA specifies the most recent commit on the pull request's branch.
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// Default value is the SHA of the pull request's current HEAD ref.
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ExpectedHeadSHA *string `json:"expected_head_sha,omitempty"`
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}
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// PullRequestBranchUpdateResponse specifies the response of pull request branch update.
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type PullRequestBranchUpdateResponse struct {
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Message *string `json:"message,omitempty"`
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URL *string `json:"url,omitempty"`
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}
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// UpdateBranch updates the pull request branch with latest upstream changes.
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//
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// This method might return an AcceptedError and a status code of
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// 202. This is because this is the status that GitHub returns to signify that
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// it has now scheduled the update of the pull request branch in a background task.
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// A follow up request, after a delay of a second or so, should result
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// in a successful request.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#update-a-pull-request-branch
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func (s *PullRequestsService) UpdateBranch(ctx context.Context, owner, repo string, number int, opts *PullRequestBranchUpdateOptions) (*PullRequestBranchUpdateResponse, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls/%d/update-branch", owner, repo, number)
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req, err := s.client.NewRequest("PUT", u, opts)
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if err != nil {
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return nil, nil, err
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}
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// TODO: remove custom Accept header when this API fully launches.
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req.Header.Set("Accept", mediaTypeUpdatePullRequestBranchPreview)
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p := new(PullRequestBranchUpdateResponse)
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resp, err := s.client.Do(ctx, req, p)
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if err != nil {
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return nil, resp, err
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}
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return p, resp, nil
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}
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type pullRequestUpdate struct {
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Title *string `json:"title,omitempty"`
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Body *string `json:"body,omitempty"`
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State *string `json:"state,omitempty"`
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Base *string `json:"base,omitempty"`
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MaintainerCanModify *bool `json:"maintainer_can_modify,omitempty"`
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}
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// Edit a pull request.
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// pull must not be nil.
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//
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// The following fields are editable: Title, Body, State, Base.Ref and MaintainerCanModify.
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// Base.Ref updates the base branch of the pull request.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#update-a-pull-request
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func (s *PullRequestsService) Edit(ctx context.Context, owner string, repo string, number int, pull *PullRequest) (*PullRequest, *Response, error) {
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if pull == nil {
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return nil, nil, fmt.Errorf("pull must be provided")
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}
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u := fmt.Sprintf("repos/%v/%v/pulls/%d", owner, repo, number)
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update := &pullRequestUpdate{
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Title: pull.Title,
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Body: pull.Body,
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State: pull.State,
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MaintainerCanModify: pull.MaintainerCanModify,
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}
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// avoid updating the base branch when closing the Pull Request
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// - otherwise the GitHub API server returns a "Validation Failed" error:
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// "Cannot change base branch of closed pull request".
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if pull.Base != nil && pull.GetState() != "closed" {
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update.Base = pull.Base.Ref
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}
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req, err := s.client.NewRequest("PATCH", u, update)
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if err != nil {
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return nil, nil, err
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}
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// TODO: remove custom Accept header when this API fully launches.
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acceptHeaders := []string{mediaTypeLockReasonPreview}
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req.Header.Set("Accept", strings.Join(acceptHeaders, ", "))
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p := new(PullRequest)
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resp, err := s.client.Do(ctx, req, p)
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if err != nil {
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return nil, resp, err
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}
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return p, resp, nil
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}
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// ListCommits lists the commits in a pull request.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#list-commits-on-a-pull-request
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func (s *PullRequestsService) ListCommits(ctx context.Context, owner string, repo string, number int, opts *ListOptions) ([]*RepositoryCommit, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls/%d/commits", owner, repo, number)
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u, err := addOptions(u, opts)
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if err != nil {
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return nil, nil, err
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}
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req, err := s.client.NewRequest("GET", u, nil)
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if err != nil {
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return nil, nil, err
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}
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var commits []*RepositoryCommit
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resp, err := s.client.Do(ctx, req, &commits)
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if err != nil {
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return nil, resp, err
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}
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return commits, resp, nil
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}
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// ListFiles lists the files in a pull request.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#list-pull-requests-files
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func (s *PullRequestsService) ListFiles(ctx context.Context, owner string, repo string, number int, opts *ListOptions) ([]*CommitFile, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls/%d/files", owner, repo, number)
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u, err := addOptions(u, opts)
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if err != nil {
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return nil, nil, err
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}
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req, err := s.client.NewRequest("GET", u, nil)
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if err != nil {
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return nil, nil, err
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}
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var commitFiles []*CommitFile
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resp, err := s.client.Do(ctx, req, &commitFiles)
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if err != nil {
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return nil, resp, err
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}
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return commitFiles, resp, nil
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}
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// IsMerged checks if a pull request has been merged.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#check-if-a-pull-request-has-been-merged
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func (s *PullRequestsService) IsMerged(ctx context.Context, owner string, repo string, number int) (bool, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls/%d/merge", owner, repo, number)
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req, err := s.client.NewRequest("GET", u, nil)
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if err != nil {
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return false, nil, err
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}
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resp, err := s.client.Do(ctx, req, nil)
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merged, err := parseBoolResponse(err)
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return merged, resp, err
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}
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// PullRequestMergeResult represents the result of merging a pull request.
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type PullRequestMergeResult struct {
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SHA *string `json:"sha,omitempty"`
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Merged *bool `json:"merged,omitempty"`
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Message *string `json:"message,omitempty"`
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}
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// PullRequestOptions lets you define how a pull request will be merged.
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type PullRequestOptions struct {
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CommitTitle string // Title for the automatic commit message. (Optional.)
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SHA string // SHA that pull request head must match to allow merge. (Optional.)
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// The merge method to use. Possible values include: "merge", "squash", and "rebase" with the default being merge. (Optional.)
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MergeMethod string
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}
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type pullRequestMergeRequest struct {
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CommitMessage string `json:"commit_message,omitempty"`
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CommitTitle string `json:"commit_title,omitempty"`
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MergeMethod string `json:"merge_method,omitempty"`
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SHA string `json:"sha,omitempty"`
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}
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// Merge a pull request.
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// commitMessage is an extra detail to append to automatic commit message.
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//
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// GitHub API docs: https://developer.github.com/v3/pulls/#merge-a-pull-request
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func (s *PullRequestsService) Merge(ctx context.Context, owner string, repo string, number int, commitMessage string, options *PullRequestOptions) (*PullRequestMergeResult, *Response, error) {
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u := fmt.Sprintf("repos/%v/%v/pulls/%d/merge", owner, repo, number)
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pullRequestBody := &pullRequestMergeRequest{CommitMessage: commitMessage}
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if options != nil {
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pullRequestBody.CommitTitle = options.CommitTitle
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pullRequestBody.MergeMethod = options.MergeMethod
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pullRequestBody.SHA = options.SHA
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}
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req, err := s.client.NewRequest("PUT", u, pullRequestBody)
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if err != nil {
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return nil, nil, err
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}
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mergeResult := new(PullRequestMergeResult)
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resp, err := s.client.Do(ctx, req, mergeResult)
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if err != nil {
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return nil, resp, err
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}
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return mergeResult, resp, nil
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}
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