public CommitVersionInfo GetVersionInfo(Commit c)
{
string commitSha = c.Sha;
CommitVersionInfo info;
if (_versionsCache.TryGetValue(commitSha, out info))
{
return(info);
}
IFullTagCommit thisCommit = GetCommit(commitSha);
IFullTagCommit contentCommit = thisCommit ?? GetCommit(c.Tree.Sha);
CommitVersionInfo prevCommitParent, prevMaxCommitParent;
ReadParentInfo(c, out prevCommitParent, out prevMaxCommitParent);
info = new CommitVersionInfo(this, commitSha, thisCommit, contentCommit, prevCommitParent, prevMaxCommitParent);
_versionsCache.Add(commitSha, info);
return(info);
}
internal CommitVersionInfo(
TagCollector tagCollector,
string commitSha,
IFullTagCommit thisCommit,
IFullTagCommit contentCommit,
CommitVersionInfo prevCommitParent,
CommitVersionInfo prevMaxCommitParent )
{
Debug.Assert( thisCommit == null || thisCommit.ThisTag != null );
Debug.Assert( thisCommit == null || contentCommit == thisCommit, "this commit exists => content commit is this commit" );
_tagCollector = tagCollector;
_commitSha = commitSha;
_thisCommit = thisCommit;
_contentCommit = contentCommit;
if( prevCommitParent != null )
{
_prevCommit = prevCommitParent._thisCommit != null ? prevCommitParent : prevCommitParent._prevCommit;
}
if( prevMaxCommitParent != null )
{
Debug.Assert( prevMaxCommitParent.PreviousMaxTag == null || prevMaxCommitParent._prevMaxCommit != null );
if( prevMaxCommitParent._prevMaxCommit == null || prevMaxCommitParent.BestContentTag > prevMaxCommitParent.PreviousMaxTag )
{
Debug.Assert( prevMaxCommitParent.MaxTag == prevMaxCommitParent.BestContentTag );
_prevMaxCommit = prevMaxCommitParent;
_maxCommitDepth = 1;
}
else
{
Debug.Assert( prevMaxCommitParent.MaxTag == prevMaxCommitParent.PreviousMaxTag );
_prevMaxCommit = prevMaxCommitParent._prevMaxCommit;
_maxCommitDepth = prevMaxCommitParent._maxCommitDepth + 1;
}
Debug.Assert( _prevMaxCommit != null );
}
_maxCommit = BestContentTag >= PreviousMaxTag
? (_contentCommit != null ? _contentCommit.BestCommit : null)
: (_prevMaxCommit._contentCommit != null ? _prevMaxCommit._contentCommit.BestCommit : null);
}
internal CommitVersionInfo(
TagCollector tagCollector,
string commitSha,
IFullTagCommit thisCommit,
IFullTagCommit contentCommit,
CommitVersionInfo prevCommitParent,
CommitVersionInfo prevMaxCommitParent)
{
Debug.Assert(thisCommit == null || thisCommit.ThisTag != null);
Debug.Assert(thisCommit == null || contentCommit == thisCommit, "this commit exists => content commit is this commit");
_tagCollector = tagCollector;
_commitSha = commitSha;
_thisCommit = thisCommit;
_contentCommit = contentCommit;
if (prevCommitParent != null)
{
_prevCommit = prevCommitParent._thisCommit != null ? prevCommitParent : prevCommitParent._prevCommit;
}
if (prevMaxCommitParent != null)
{
Debug.Assert(prevMaxCommitParent.PreviousMaxTag == null || prevMaxCommitParent._prevMaxCommit != null);
if (prevMaxCommitParent._prevMaxCommit == null || prevMaxCommitParent.BestContentTag > prevMaxCommitParent.PreviousMaxTag)
{
Debug.Assert(prevMaxCommitParent.MaxTag == prevMaxCommitParent.BestContentTag);
_prevMaxCommit = prevMaxCommitParent;
_maxCommitDepth = 1;
}
else
{
Debug.Assert(prevMaxCommitParent.MaxTag == prevMaxCommitParent.PreviousMaxTag);
_prevMaxCommit = prevMaxCommitParent._prevMaxCommit;
_maxCommitDepth = prevMaxCommitParent._maxCommitDepth + 1;
}
Debug.Assert(_prevMaxCommit != null);
}
_maxCommit = BestContentTag >= PreviousMaxTag
? (_contentCommit != null ? _contentCommit.BestCommit : null)
: (_prevMaxCommit._contentCommit != null ? _prevMaxCommit._contentCommit.BestCommit : null);
}
