public static GitCommitWriter AsWriter(this GitCommit commit)
{
if (commit is null)
{
throw new ArgumentNullException(nameof(commit));
}
var cw = GitCommitWriter.CreateFromTree(commit.Tree.AsWriter());
cw.Parents = commit.Parents.Select(x => (x ?? throw new InvalidOperationException()).AsWriter()).ToArray();
cw.PutId(commit.Id); // TODO: Cleanup
return(cw);
}
private static async ValueTask <GitCommitWriter> FillCommit(string message, Bucket source, Dictionary <string, GitId> marks, GitRepository repo)
{
List <GitCommit>?parents = null;
GitCommitWriter gcw = GitCommitWriter.Create();
gcw.Message = message;
GitTree?tree = null;
while (true)
{
var(bb, eol) = await source.ReadUntilEolFullAsync(BucketEol.LF).ConfigureAwait(false);
if (bb.IsEof)
{
return(gcw);
}
bb = bb.Trim(eol);
if (bb.IsEmpty)
{
break;
}
if (bb.StartsWithASCII("from "))
{
string mark = bb.Slice(5).ToUTF8String();
var c = repo.Commits[marks[mark]] !;
parents ??= new();
parents.Insert(0, c);
tree = c.Tree;
gcw.Tree = c.Tree.AsWriter();
}
else if (bb.StartsWithASCII("merge "))
{
string mark = bb.Slice(6).ToUTF8String();
parents ??= new();
parents.Add(repo.Commits[marks[mark]] !);
}
else if (bb.StartsWithASCII("M "))
{
var items = bb.Slice(2).ToUTF8String().Split(new[] { ' ' }, 3);
GitTreeElementType?fileType = (GitTreeElementType)Convert.ToInt32(items[0], 8);
string mark = items[1];
string name = items[2];
var b = repo.Blobs[marks[mark]] !;
#if NET6_0_OR_GREATER
if (!Enum.IsDefined <GitTreeElementType>(fileType.Value))
{
fileType = null;
}
#else
if (!Enum.IsDefined(typeof(GitTreeElementType), fileType))
{
fileType = null;
}
#endif
if (tree?.AllFiles.TryGet(name, out _) ?? false)
{
gcw.Tree.Replace(name, b, fileType);
}
else
{
gcw.Tree.Add(name, b, fileType);
}
}
else if (bb.StartsWithASCII("D "))
{
string name = bb.Slice(2).ToUTF8String();
gcw.Tree.Remove(name);
}
}
gcw.Parents = parents !;
return(gcw);
}