Draft implementation of viewing file history for libgit2sharp

gistfile1.cs

List<Commit> modificationCommits = new List<Commit>();

string currentSha = startingItemSha;
string currentPath = startingItemPath;
Commit temp = null;

foreach (Commit c in repository.Commits)
{
    if (c.Tree.Any<TreeEntry>(entry => entry.Name == currentPath))
    {
        // If file with given name was found, check its SHA
        TreeEntry te = c.Tree.First<TreeEntry>(entry => entry.Name == currentPath);
        if (te.Target.Sha == currentSha)
        {
            // In case if file's SHA matches file was not changed in this commit 
            // and temporary commit need to be updated to current one
            temp = c;
        }
        else
        {
            // In case if file's SHA don't match file was changed during commit
            // and temporary commit need to be added to the commits collection 
            // as the one where update occur. The file's SHA updated to current one
            modificationCommits.Add(temp);
            currentSha = te.Target.Sha;
        }
    }
    else
    {
        // File with given name not found. this means it was renamed. 
        // However ut's SHA still the same, so it can be found by it.
        if (c.Tree.Any<TreeEntry>(entry => entry.Target.Sha == currentSha))
        {
            TreeEntry te = c.Tree.First<TreeEntry>(entry => entry.Target.Sha == currentSha);
            currentSha = te.Target.Sha;
            currentPath = te.Name;

            modificationCommits.Add(temp);
        }
    }
}

if (null != temp)
{
    modificationCommits.Add(temp);
}