func MRCheckErrors()

in commands/mr/mrutils/mrutils.go [54:101]
37 lines of code
22 McCabe index (conditional complexity)

func MRCheckErrors(mr *gitlab.MergeRequest, err MRCheckErrOptions) error {
	if mr.Draft && err.Draft {
		return fmt.Errorf("this merge request is still a draft. Run `glab mr update %d --ready` to mark it as ready for review.", mr.IID)
	}

	dbg.Debug("MergeWhenPipelineSucceeds:", strconv.FormatBool(mr.MergeWhenPipelineSucceeds))
	dbg.Debug("DetailedMergeStatus:", mr.DetailedMergeStatus)

	if mr.DetailedMergeStatus == "ci_must_pass" {
		return fmt.Errorf("this merge request requires a passing pipeline before merging.")
	}

	if mr.MergeWhenPipelineSucceeds && err.PipelineStatus && mr.Pipeline != nil {
		if mr.Pipeline.Status != "success" {
			return fmt.Errorf("the pipeline for this merge request has failed. The pipeline must succeed before merging.")
		}
	}

	if mr.State == "merged" && err.Merged {
		return fmt.Errorf("this merge request has already been merged.")
	}

	if mr.State == "closed" && err.Closed {
		return fmt.Errorf("this merge request has been closed.")
	}

	if mr.State == "opened" && err.Opened {
		return fmt.Errorf("this merge request is already open.")
	}

	if mr.Subscribed && err.Subscribed {
		return fmt.Errorf("you are already subscribed to this merge request.")
	}

	if !mr.Subscribed && err.Unsubscribed {
		return fmt.Errorf("you are not subscribed to this merge request.")
	}

	if err.MergePrivilege && !mr.User.CanMerge {
		return fmt.Errorf("you do not have permission to merge this merge request.")
	}

	if err.Conflict && mr.HasConflicts {
		return fmt.Errorf("merge conflicts exist. Resolve the conflicts and try again, or merge locally.")
	}

	return nil
}