migrate

type Options struct {
	Owner     string
	Board     int
	Title     string
	Committer gitstore.Identity
	// DryRun builds everything and pushes nothing.
	DryRun bool
	// Force writes over a remote that already holds a board.
	Force bool
}

type Report struct {
	AlreadyMigrated                                            bool
	Verified                                                   bool
	Cards, Teams, Projects, Epics, Deadlines, Processes, Tasks int
	Events, Commits                                            int
	DoneFromSeeded, DoneWithoutJump                            int
	IssueCards                                                 []string
	UnattributedNotes                                          int
	Dangling                                                   []string
	Dropped                                                    []string
	// Stranded are the cards the source board carried that were PLACED on a
	// day and then left where no view can reach them — the shape the old ×
	// made when it demoted a worked card into the previous sprint
	// (board.Unreachable, dated). The migration takes them off the board in
	// a commit of its own; the history keeps them.
	Stranded []string
	// Placeless are cards no view shows because nobody ever put them
	// anywhere: no sprint, no dates, no column, no week. They are not the
	// ×'s leavings, so nothing is deleted — they are named, and the board's
	// owner decides.
	Placeless []string
	IDMap     map[string]string
}

type Source interface {
	LoadBoard(ctx context.Context, owner string, project int) (ghsource.Export, error)
}