/// <summary>
/// Inserts a <see cref="LibGit2Sharp.Commit" /> into the object database by applying a <see cref="TreeDefinition"/>.
/// </summary>
/// <param name="repository">The repository.</param>
/// <param name="changes">The changes.</param>
/// <param name="message">The message.</param>
/// <param name="author">The author.</param>
/// <param name="committer">The committer.</param>
/// <param name="hooks">The hooks.</param>
/// <param name="options">The options.</param>
/// <param name="mergeParent">The parent commit for a merge.</param>
/// <returns>The created <see cref="LibGit2Sharp.Commit" />.</returns>
internal static Commit CommitChanges(this IRepository repository, MetadataTreeChanges changes, string message, Signature author, Signature committer, GitHooks hooks, CommitOptions options = null, Commit mergeParent = null)
{
TreeDefinition definition;
if (changes.OldRepository?.CommitId != null)
{
if (repository.Head.Tip.Id != changes.OldRepository.CommitId)
{
throw new NotSupportedException("Changes are not based on the HEAD commit.");
}
var startCommit = repository.Lookup <Commit>(changes.OldRepository.CommitId);
definition = TreeDefinition.From(startCommit);
}
else if (repository.Info.IsHeadUnborn)
{
definition = new TreeDefinition();
}
else
{
throw new NotSupportedException("Changes are not based on the HEAD commit.");
}
if (!hooks.OnCommitStarted(changes, message))
{
return(null);
}
changes.UpdateTreeDefinition(repository, definition);
var result = Commit(repository, definition, message, author, committer, options, mergeParent);
hooks.OnCommitCompleted(changes, message, result.Id);
return(result);
}
