consolidate

type Feature struct {
	Title, Description string
	Digest             string
	// Withheld marks a feature whose text the repository may not read now:
	// it is rendered without its title and description.
	Withheld     bool
	Paths        []string
	PullRequests []PullRequestTitle
	// Sessions counts the connected sessions in it on their own that follow
	// no feature pull request.
	Sessions int
	// SplitFrom is the index among the features given to RenderMerge of the
	// feature a recent split created this one from, nil for none; set only
	// for a version that UsesFeatureContext.
	SplitFrom *int
}

type Group struct {
	Survivor   int
	Duplicates []int
}

type Kind string

type Part struct {
	Title, Description string
	PullRequests       []int
}

type Partition struct {
	Parts  []Part
	Keeper int
}

type Prompts map[string]Version

type PullRequest struct {
	Number      int32
	Title, Body string
	// Summary is what it changed, as far as the repository may read it;
	// set only for a version that UsesFeatureContext.
	Summary  string
	State    string
	OpenedAt time.Time
	Paths    []string
}

type PullRequestTitle struct {
	Number  int32
	Title   string
	Summary string
}

type RenderedMerge struct {
	Input string
	// Features lists the indexes of the rendered features: ref Fi is
	// Features[i-1].
	Features []int
	// Cut counts the features left out to keep the input within its bound.
	Cut int
	// CutSummaries and CutDigests count the pull request summaries and
	// digests left out first, before any feature is.
	CutSummaries, CutDigests int
}

type RenderedSplit struct {
	Input string
	// PullRequests is how many pull requests it lists: ref Pi is the
	// (i-1)-th of SplitInput.PullRequests.
	PullRequests int
	Cut          SplitCut
}

type SplitCut struct {
	Descriptions, Paths, Summaries int
}

type SplitInput struct {
	Title, Description string
	Withheld           bool
	PullRequests       []PullRequest
}

type Version struct {
	Merge, Split string
	// Contextual marks a version whose merge call also sees each feature's
	// digest and its pull requests' summaries.
	Contextual bool
}