refactoring to reduce complexity.

[todo]

tichi/internal/pkg/externalplugins/cherrypicker/cherrypicker.go

Lines 438 to 443 in e5d2ef5

	// TODO: refactoring to reduce complexity.
	func (s *Server) handle(logger *logrus.Entry, requestor string,
	comment *github.IssueComment, org, repo, targetBranch string, pr *github.PullRequest) error {
	num := pr.Number
	title := pr.Title
	body := pr.Body

---

This issue was generated by todo based on a TODO comment in e5d2ef5 when #451 was merged. cc @hi-rustin.

[Rustin170506]

/unassign

/type refactor

[ti-chi-bot]

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[ti-chi-bot]

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