private static ConcurrentStack <Commit> ReadCommitsFromRefs(string vcsPath)
{
var refs = Refs.ReadAll(vcsPath);
var addedCommits = new ConcurrentDictionary <ObjectHash, bool>();
var result = new ConcurrentStack <Commit>();
Parallel.ForEach(refs, new ParallelOptions {
MaxDegreeOfParallelism = Environment.ProcessorCount
}, @ref =>
{
var gitObject = @ref is TagRef tag
? GitObjectFactory.ReadGitObject(vcsPath, new ObjectHash(tag.CommitHash))
: GitObjectFactory.ReadGitObject(vcsPath, new ObjectHash(@ref.Hash));
while (gitObject is Tag tagObject)
{
gitObject = GitObjectFactory.ReadGitObject(vcsPath, new ObjectHash(tagObject.Object));
}
// Tags pointing to trees are ignored
if (gitObject.Type == GitObjectType.Commit && addedCommits.TryAdd(gitObject.Hash, true))
{
result.Push((Commit)gitObject);
}
});
return(result);
}
static void Main(string[] args)
{
if (!CommandLineOptions.TryParse(args, out var options))
{
return;
}
PackReader.InitializePackFiles(options.RepositoryPath);
if (options.FixTrees)
{
var defectiveCommits = FindCommitsWithDuplicateTreeEntries(options.RepositoryPath).ToList();
var rewrittenCommits = FixDefectiveCommits(options.RepositoryPath, defectiveCommits);
if (rewrittenCommits.Any())
{
Refs.Update(options.RepositoryPath, rewrittenCommits);
}
}
else if (options.FilesToDelete.Any() || options.FoldersToDelete.Any())
{
using (var task = new DeletionTask(options.RepositoryPath, options.FilesToDelete, options.FoldersToDelete, options.ProtectRefs))
task.Run();
}
else if (options.RemoveEmptyCommits)
{
using (var removeEmptyCommitsTask = new RemoveEmptyCommitsTask(options.RepositoryPath))
removeEmptyCommitsTask.Run();
}
else if (!string.IsNullOrWhiteSpace(options.ContributorMappingFile))
{
using (var rewriteContributorTask = new RewriteContributorTask(options.RepositoryPath, options.ContributorMappingFile))
rewriteContributorTask.Run();
}
else if (options.ListContributorNames)
{
foreach (var contributor in CommitWalker.CommitsRandomOrder(options.RepositoryPath)
.SelectMany(commit => new[] { commit.GetAuthorName(), commit.GetCommitterName() })
.Distinct()
.AsParallel()
.OrderBy(x => x))
{
Console.WriteLine(contributor);
}
}
}