private void RewriteCommit(Commit commit, RewriteHistoryOptions options)
{
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,
options.PrettifyMessages);
// Record the rewrite
objectMap[commit] = newCommit;
}
public HistoryRewriter(
Repository repo,
IEnumerable <Commit> commitsToRewrite,
RewriteHistoryOptions options)
{
this.repo = repo;
this.options = options;
targetedCommits = new HashSet <Commit>(commitsToRewrite);
backupRefsNamespace = this.options.BackupRefsNamespace;
if (!backupRefsNamespace.EndsWith("/", StringComparison.Ordinal))
{
backupRefsNamespace += "/";
}
}
private async Task AnonymizeDestRepo()
{
Logger.Info("Anonymizing commits...");
var options = new RewriteHistoryOptions
{
CommitHeaderRewriter = commit =>
{
var signature = new Signature(_defaultSignature.Name, _defaultSignature.Email,
commit.Committer.When);
return(new CommitRewriteInfo
{
Author = signature, Committer = signature, Message = commit.Message
});
}
};
await Task.Run(() =>
{
using var repo = new GitRepository("destRepo");
repo.Refs.RewriteHistory(options, repo.Commits);
});
}
public override void RewriteHistory(RewriteHistoryOptions options, params Commit[] commitsToRewrite) => throw new NotImplementedException();
public override void RewriteHistory(RewriteHistoryOptions options, IEnumerable <Commit> commitsToRewrite) => throw new NotImplementedException();
