private static Commit LookUpCommit(IRepository repository, string committish)
{
GitObject obj = repository.Lookup(committish);
Ensure.GitObjectIsNotNull(obj, committish);
return(obj.DereferenceToCommit(true));
}
internal GitObject Lookup(string shaOrReferenceName, GitObjectType type, LookUpOptions lookUpOptions)
{
ObjectId id;
Reference reference = Refs[shaOrReferenceName];
if (reference != null)
{
id = reference.PeelToTargetObjectId();
}
else
{
ObjectId.TryParse(shaOrReferenceName, out id);
}
if (id == null)
{
if (lookUpOptions.Has(LookUpOptions.ThrowWhenNoGitObjectHasBeenFound))
{
Ensure.GitObjectIsNotNull(null, shaOrReferenceName);
}
return(null);
}
GitObject gitObj = Lookup(id, type);
if (lookUpOptions.Has(LookUpOptions.ThrowWhenNoGitObjectHasBeenFound))
{
Ensure.GitObjectIsNotNull(gitObj, shaOrReferenceName);
}
if (!lookUpOptions.Has(LookUpOptions.DereferenceResultToCommit))
{
return(gitObj);
}
return(gitObj.DereferenceToCommit(shaOrReferenceName, lookUpOptions.Has(LookUpOptions.ThrowWhenCanNotBeDereferencedToACommit)));
}