Your GitHub App to make Buildbot a part of your Pull Request workflow.

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		// This comment will be used all over the place
		thankYouComment := fmt.Sprintf(
			`Thank you @%s for using the <a href="todo:link-to-documentation-here"><code>%s</code></a> command <a href="%s">here</a>! `,
			command.BuildbotCommand,
			*event.Comment.User.Login,
			*event.Comment.HTMLURL,
		)

		newComment, _, err := gh.Issues.CreateComment(context.Background(), repoOwner, repoName, prNumber, &github.IssueComment{
			Body: github.String(thankYouComment +
				`<sub>This very comment will be used to continously log build state changes for your request. We decided to do this in addition to using Github's Check Runs below so you can inspect previous check runs better.</sub>`,
			),
		})

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		commentUser := *event.Comment.User.Login
		repoOwner := *event.Repo.Owner.Login
		repoName := *event.Repo.Name
		prNumber := *event.Issue.Number
		pr, _, err := gh.PullRequests.Get(context.Background(), repoOwner, repoName, prNumber)
		if !pr.GetMergeable() {
		}

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func TestOnIssueCommentEventAny(t *testing.T) {
	t.Run("pr not mergable", func(t *testing.T) {
		t.Run("comment writable", func(t *testing.T) {
			prNotMergable := prOK()
			prNotMergable.Mergeable = github.Bool(false)
			srv := NewMockServer(
				// Get PR for comment event
				mock.WithRequestMatch(
					mock.GetReposPullsByOwnerByRepoByPullNumber,
					prNotMergable,
				),
				// Create comment on about PR not being mergable
				mock.WithRequestMatch(
					mock.PostReposIssuesCommentsByOwnerByRepoByIssueNumber,
					github.IssueComment{
						Body: github.String("blabla"),
					},
				),
			)
			fn := OnIssueCommentEventAny(srv)
			err := fn("1234", "created", issueCommentEventOK())
			require.ErrorContains(t, err, "pr is not mergable", "expected and error because pr is not mergable, yet")
		})
	})
}

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// Server specifies the interface that we need to implement from the AppServer
// object in order to provide a decent mock in tests.
type Server interface {

	// NewGithubClient returns a new GitHub client object for the given
	// application ID.
	NewGithubClient(appInstallationID int64) (*github.Client, error)

	// RunTryBot runs a "buildbot try" command
	RunTryBot(responsibleGithubLogin string, githubRepoOwner string, githubRepoName string, properties ...string) (string, error)
}