private Dep FindLca(Dep dep1, Dep dep2)
{
if (dep1.Name != dep2.Name)
{
throw new BadArgumentException();
}
var result = new Dep(dep1.Name, dep1.Treeish ?? dep2.Treeish);
var configParser = new ConfigurationYamlParser(new FileInfo(Path.Combine(workspace, dep1.Name)));
var configs = configParser.GetConfigurations();
var commonAncestorsList = new List <string>();
foreach (var parent in configs)
{
var cm = new ConfigurationManager(new[] { new Dep(null, null, parent) }, configParser);
if (cm.ProcessedParent(dep1) && cm.ProcessedParent(dep2))
{
commonAncestorsList.Add(parent);
}
}
var lowestAncestor = commonAncestorsList.Where(
c =>
!new ConfigurationManager(commonAncestorsList.Select(cc => new Dep(null, null, cc)), configParser).ProcessedChildrenConfigurations(new Dep(null, null, c)).Any()).ToList();
if (!commonAncestorsList.Any() || !lowestAncestor.Any())
{
throw new CementException("failed get common ancestor for configurations '" + dep1 + "' and '" + dep2 + "'");
}
result.Configuration = lowestAncestor.First();
return(result);
}
