Method promoteNonWinningRevisionBody

db/document.go:820–825

makeBodyActive moves a previously non-winning revision body from the rev tree to the document body

(ctx context.Context, revid string, loader RevLoaderFunc)

// makeBodyActive moves a previously non-winning revision body from the rev tree to the document body
func (doc *Document) promoteNonWinningRevisionBody(ctx context.Context, revid string, loader RevLoaderFunc) {
	// If the new revision is not current, transfer the current revision's
	// body to the top level doc._body:
	doc.UpdateBody(doc.getNonWinningRevisionBody(ctx, revid, loader))
	doc.removeRevisionBody(ctx, revid)
}

func (doc *Document) pruneRevisions(ctx context.Context, maxDepth uint32, keepRev string) int {
	numPruned, prunedTombstoneBodyKeys := doc.History.pruneRevisions(ctx, maxDepth, keepRev)