Function compactTree

lib/index.es.js:886–896

(metadata)

// compact a tree by marking its non-leafs as missing,
// and return a list of revs to delete
function compactTree(metadata) {
  var revs = [];
  traverseRevTree(metadata.rev_tree, function (isLeaf, pos,
                                               revHash, ctx, opts) {
    if (opts.status === 'available' && !isLeaf) {
      revs.push(pos + '-' + revHash);
      opts.status = 'missing';
    }
  });
  return revs;
}

// `findPathToLeaf()` returns an array of revs that goes from the specified
// leaf rev to the root of that leaf’s branch.