private void VerifyRepository(Hg hg)
{
Debug.Assert(hg != null);
if (FailIfMultipleHeads && hg.Heads(Branch).Count.Tap(i => Log.Debug("{0} head(s) in repository", i)) != 1)
{
var message = string.Format(CultureInfo.CurrentCulture, "Multiple or no heads in branch '{0}'.", Branch);
throw new HgSourceControlException(message);
}
if (hg.GetBranchForTag(Tag).Tap(b => Log.Debug("Branch for tag '{0}' is '{1}'", Tag, b)) != Branch)
{
var message = string.Format(CultureInfo.CurrentCulture, "Tag '{0}' is not on branch '{1}'.", Tag, Branch);
throw new HgSourceControlException(message);
}
}
private void PullChanges(Hg hg)
{
Debug.Assert(hg != null);
hg.Pull(SourceRepository);
}
private void UpdateWorkingDirectory(Hg hg)
{
Debug.Assert(hg != null);
Log.Debug("Updating to tag or branch '{0}'.", Tag);
hg.Update(Tag.AsRevision());
}
private Revision GetTargetRevision(Hg hg)
{
Debug.Assert(hg != null);
return hg.GetRevisionForTag(Tag);
}
private void InitializeWorkingDirectory(string workingDirectory)
{
Debug.Assert(!string.IsNullOrEmpty(workingDirectory));
EnsureWorkingDirectory(workingDirectory);
var hg = new Hg(new CruiseControlHgProcess(ProcessExecutor), _hgXmlLogParser, workingDirectory);
EnsureRepository(hg);
CheckVersion(hg);
}
private IEnumerable<Changeset> GetChangesets(Hg hg,
Revision fromRevision,
Revision toRevision)
{
Debug.Assert(hg != null);
Debug.Assert(fromRevision != null);
Debug.Assert(toRevision != null);
return hg
.Log(Branch, fromRevision.Through(toRevision))
.Where(changeset => changeset.Hash.ToRevision() != fromRevision);
}
private static void EnsureRepository(Hg hg)
{
Log.Debug("Ensuring '{0}' is a repository.", hg.RepositoryPath);
if (hg.IsRepository)
{
return;
}
Log.Info("Creating repository at '{0}'.");
hg.Init();
}
private static void CheckVersion(Hg hg)
{
Debug.Assert(hg != null);
var version = hg.Version;
if (version < VersionWarningThreshold)
{
Log.Warning("Hg installed version {0} is less than tested version of {1}.", version, VersionWarningThreshold);
}
}
public override void GetSource(IIntegrationResult result)
{
if (!AutoGetSource)
{
return;
}
if (result == null)
{
throw new ArgumentNullException("result");
}
var workingDirectory = WorkingDirectoryOrDefault(result.WorkingDirectory);
var hg = new Hg(new CruiseControlHgProcess(ProcessExecutor), _hgXmlLogParser, workingDirectory);
UpdateWorkingDirectory(hg);
}
public override Modification[] GetModifications(IIntegrationResult from, IIntegrationResult to)
{
if (from == null)
{
throw new ArgumentNullException("from");
}
if (to == null)
{
throw new ArgumentNullException("to");
}
var progressInformation = to.BuildProgressInformation;
progressInformation.SignalStartRunTask("Hg: Get Modifications");
var lastBuilt = from.GetRevision();
Log.Debug("Last built from revision '{0}'", lastBuilt);
var workingDirectory = WorkingDirectoryOrDefault(to.WorkingDirectory);
progressInformation.AddTaskInformation("Hg: Initializing working directory");
InitializeWorkingDirectory(workingDirectory);
var hg = new Hg(new CruiseControlHgProcess(ProcessExecutor), _hgXmlLogParser, workingDirectory);
progressInformation.AddTaskInformation("Hg: Pulling changes");
PullChanges(hg);
progressInformation.AddTaskInformation("Hg: Verifying repository");
VerifyRepository(hg);
progressInformation.AddTaskInformation("Hg: Getting target revision");
var targetRevision = GetTargetRevision(hg);
progressInformation.AddTaskInformation("Hg: Getting changesets");
var changesets = GetChangesets(hg, lastBuilt, targetRevision);
Log.Debug("{0} Hg changeset(s) found", changesets.Count());
to.SetRevision(targetRevision);
progressInformation.AddTaskInformation("Hg: Generating modifications");
return ConvertChangesetsToModifications(changesets)
.TapIf(() => WebUrlBuilder != null, ems => WebUrlBuilder.SetupModification(ems))
.Tap(FillIssueUrl);
}