private void RewriteCommit(Commit commit)
{
var newHeader = CommitRewriteInfo.From(commit);
var newTree = commit.Tree;
// Find the new parents
var newParents = commit.Parents;
if (targetedCommits.Contains(commit))
{
// Get the new commit header
if (options.CommitHeaderRewriter != null)
{
newHeader = options.CommitHeaderRewriter(commit) ?? newHeader;
}
if (options.CommitTreeRewriter != null)
{
// Get the new commit tree
var newTreeDefinition = options.CommitTreeRewriter(commit);
newTree = repo.ObjectDatabase.CreateTree(newTreeDefinition);
}
// Retrieve new parents
if (options.CommitParentsRewriter != null)
{
newParents = options.CommitParentsRewriter(commit);
}
}
// Create the new commit
var mappedNewParents = newParents
.Select(oldParent =>
objectMap.ContainsKey(oldParent)
? objectMap[oldParent] as Commit
: oldParent)
.Where(newParent => newParent != null)
.ToList();
if (options.PruneEmptyCommits &&
TryPruneEmptyCommit(commit, mappedNewParents, newTree))
{
return;
}
var newCommit = repo.ObjectDatabase.CreateCommit(newHeader.Author,
newHeader.Committer,
newHeader.Message,
newTree,
mappedNewParents,
true);
// Record the rewrite
objectMap[commit] = newCommit;
}
