/// <summary>
/// Processes all commits.
/// </summary>
private void ProcessCommits()
{
// We are working only in a topological-reverse order (from parent commits to child)
var commitFilter = new CommitFilter()
{
FirstParentOnly = false,
SortBy = CommitSortStrategies.Topological | CommitSortStrategies.Reverse
};
// If a revision range is specified, try to use it
if (RevisionRange != null)
{
var revSpec = RevSpec.Parse(repo, RevisionRange);
if (revSpec.Type == RevSpecType.Single)
{
commitFilter.Since = revSpec.From.Id;
}
else if (revSpec.Type == RevSpecType.Range)
{
commitFilter.Range = RevisionRange;
}
}
// Gets all commits in topological reverse order
var commits = repo.Commits.QueryBy(commitFilter).ToList();
// Process commits
for (int i = 0; i < commits.Count; i++)
{
var commit = GetSimpleCommit(commits[i]);
OutputWriter.Write("Rewrite {0} ({1}/{2}){3}", commit.Id, i + 1, commits.Count, (i + 1) == commits.Count ? string.Empty : "\r");
ProcessCommit(commit);
}
if (commits.Count == 0)
{
OutputWriter.WriteLine("Nothing to rewrite.");
}
else
{
OutputWriter.WriteLine(" in {0:#.###}s", clock.Elapsed.TotalSeconds);
}
}
/// <summary>
/// This method Validates the parameters.
/// </summary>
/// <exception cref="GitRocketFilter.RocketException">
/// No valid git repository path found at [{0}]
/// or
/// Branch name is required and cannot be null
/// or
/// The branch [{0}] already exist. Cannot overwrite without force option
/// or
/// Invalid revspec [{0}]. Reason: {1}
/// </exception>
private void ValidateParameters()
{
if (!Repository.IsValid(RepositoryPath))
{
throw new RocketException("No valid git repository path found at [{0}]", RepositoryPath);
}
repo = new Repository(RepositoryPath);
if (string.IsNullOrWhiteSpace(BranchName))
{
throw new RocketException("Branch name is required and cannot be null");
}
branchRef = "refs/heads/" + BranchName;
if (repo.Refs[branchRef] != null && !BranchOverwrite)
{
throw new RocketException("The branch [{0}] already exist. Cannot overwrite without force option", BranchName);
}
// Validate the revision range
if (!string.IsNullOrWhiteSpace(RevisionRange))
{
string errorMessage = null;
try
{
revisionSpec = RevSpec.Parse(repo, RevisionRange);
if (revisionSpec.Type == RevSpecType.MergeBase)
{
errorMessage = "Merge base revspec are not supported";
}
}
catch (LibGit2SharpException libGitException)
{
errorMessage = libGitException.Message;
}
if (errorMessage != null)
{
throw new RocketException("Invalid revspec [{0}]. Reason: {1}", RevisionRange, errorMessage);
}
}
}