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HgRepository.cs
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HgRepository.cs
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using System;
using System.Linq;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Net.NetworkInformation;
using System.Reflection;
using System.Text;
using Chorus.Utilities;
using Chorus.merge;
using Chorus.Model;
using Chorus.Properties;
using L10NSharp;
using Nini.Ini;
using SIL.Code;
using SIL.IO;
using SIL.Network;
using SIL.PlatformUtilities;
using SIL.Progress;
namespace Chorus.VcsDrivers.Mercurial
{
public class HgRepository : IRetrieveFileVersionsFromRepository
{
private readonly string _pathToRepository;
private string _userName;
private IProgress _progress;
private Dictionary<string, ExecutionResult> _hgLogCache;
public int SecondsBeforeTimeoutOnLocalOperation = 15 * 60;
public int SecondsBeforeTimeoutOnMergeOperation = 15 * 60;
public const int SecondsBeforeTimeoutOnRemoteOperation = 40 * 60;
private bool _haveLookedIntoProxySituation;
private string _proxyCongfigParameterString = string.Empty;
private bool _hgrcUpdateNeeded;
private static bool _alreadyCheckedMercurialIni;
internal const string EmptyRepoIdentifier = "0000000000000000000000000000000000000000";
/// <summary>
/// Template to produce a consistent and parseable revision log entry
/// </summary>
private const string DetailedRevisionTemplate = "--template \"changeset:{rev}:{node|short}\nbranch:{branches}\nuser:{author}\ndate:{date|rfc822date}\ntag:{tags}\nsummary:{desc}\n\"";
private bool _mercurialTwoCompatible;
private HgModelVersionBranch _branchHelper;
public static string GetEnvironmentReadinessMessage(string messageLanguageId)
{
try
{
HgRunner.Run("hg version", Environment.CurrentDirectory, 5, new NullProgress());
}
catch (Exception)
{
return "Chorus requires the Mercurial version control system. It must be installed and part of the PATH environment variable.";
}
return null;
}
public HgModelVersionBranch BranchingHelper
{
get { return _branchHelper ?? (_branchHelper = new HgModelVersionBranch(this, _progress)); }
}
/// <exception cref="Exception">This will throw when the hgrc is locked</exception>
public RepositoryAddress GetDefaultNetworkAddress<T>() where T : RepositoryAddress
{
//the first one found in the default list that is of the requisite type and is NOT a 'default'
// path (inserted by the Hg Clone process). See https://trello.com/card/send-receive-dialog-displays-default-as-a-configured-local-network-location-for-newly-obtained-projects/4f3a90277ae2b69b010988ac/37
// This could be a problem if there was some way for the user to create a 'default' path, but the paths we want
// to find here are currently always named with an adaptation of the path. I don't think that process can produce 'default'.
var paths = GetRepositoryPathsInHgrc();
var networkPaths = paths.Where(p => p is T && p.Name != "default").ToArray();
//none found in the hgrc
if (!networkPaths.Any()) //nb: because of lazy eval, the hgrc lock exception can happen here
return null;
var defaultAliases = GetDefaultSyncAliases();
foreach (var path in networkPaths)
{
//avoid "access to modified closure"
var pathName = path.Name;
if (defaultAliases.Any(a => a == pathName))
return path;
}
return networkPaths.First();
}
/// <summary>
/// Given a file path or directory path, create (or use existing) repository at this location.
/// </summary>
/// <returns></returns>
public static HgRepository CreateOrUseExisting(string startingPointForPathSearch, IProgress progress)
{
Guard.AgainstNullOrEmptyString(startingPointForPathSearch, "startingPointForPathSearch");
Guard.Against(!Directory.Exists(startingPointForPathSearch) && !File.Exists(startingPointForPathSearch), "File or directory wasn't found");
/*
I'm leaning away from this intervention at the moment.
string newRepositoryPath = AskUserForNewRepositoryPath(startingPath);
Let's see how far we can get by just silently creating it, and leave it to the future
or user documentation/training to know to set up a repository at the level they want.
*/
var newRepositoryPath = startingPointForPathSearch;
if (File.Exists(startingPointForPathSearch))
newRepositoryPath = Path.GetDirectoryName(startingPointForPathSearch);
if (Directory.Exists(Path.Combine(newRepositoryPath, ".hg")))
return new HgRepository(newRepositoryPath, progress);
var hg = CreateRepositoryInExistingDir(newRepositoryPath, progress);
//review: Machine name would be more accurate, but most people have, like "Compaq" as their machine name
//but in any case, this is just a default until they set the name explicity
hg.SetUserNameInIni(Environment.UserName, progress);
return hg;
}
public HgRepository(string pathToRepository, IProgress progress) : this(pathToRepository, true, progress)
{
}
public HgRepository(string pathToRepository, bool updateHgrc, IProgress progress)
{
Guard.AgainstNull(progress, "progress");
_pathToRepository = pathToRepository;
_hgLogCache = new Dictionary<string, ExecutionResult>();
// make sure it exists
if (GetIsLocalUri(_pathToRepository) && !Directory.Exists(_pathToRepository))
Directory.CreateDirectory(_pathToRepository);
_progress = progress;
_userName = GetUserIdInUse();
_mercurialTwoCompatible = true;
_hgrcUpdateNeeded = updateHgrc;
var timeoutOverride = Environment.GetEnvironmentVariable("CHORUS_LOCAL_TIMEOUT_SECONDS");
int timeoutValue;
if (int.TryParse(timeoutOverride, out timeoutValue))
{
SecondsBeforeTimeoutOnLocalOperation = timeoutValue;
}
}
/// <summary>
/// put anything in the hgrc that chorus requires
/// Note: Maybe we could ship the mercurial.ini separately, some how.... there is some value in modifying the hgrc itself, since that way technians doing
/// hg stuff by hand will get the right extensions in play.
/// </summary>
internal void CheckAndUpdateHgrc()
{
CheckMercurialIni();
if (!_hgrcUpdateNeeded)
return;
try
{
lock(_pathToRepository) // Avoid crash if two threads try to Sync simultaneously
{
EnsureChorusMergeAddedToHgrc();
EnsureCacertsIsSet();
var extensions = HgExtensions;
EnsureTheseExtensionsAndFormatSet(extensions);
_hgrcUpdateNeeded = false;
}
}
catch (Exception error)
{
throw new ApplicationException($"Failed to set up extensions for the repository: {error.Message}", error);
}
}
internal static Dictionary<string, string> HgExtensions
{
get
{
/*
fixutf8 makes it possible to have unicode characters in path names. Note that it is prone to break with new versions of mercurial.
We currently have one tweaked to work with all tested versions of Mercurial 3
When updating you will likely have to modify our version since people who need this use git now.
Note too that to make use of this in a cmd window, first set font to consolas (more characters)
and change the codepage to utf with "chcp 65001"
*/
//NB: this is REQUIRED because we are now, in the hgrunner, saying that we will be getting utf8 output. If we made this extension optional, we'd have to know to not say that.
var extensions = new Dictionary<string, string>();
extensions.Add("eol", ""); //for converting line endings
extensions.Add("hgext.graphlog", ""); //for more easily readable diagnostic logs
extensions.Add("convert", ""); //for catastrophic repair in case of repo corruption
string fixUtfFolder = FileLocationUtilities.GetDirectoryDistributedWithApplication(false, "MercurialExtensions", "fixutf8");
if(!string.IsNullOrEmpty(fixUtfFolder))
extensions.Add("fixutf8", Path.Combine(fixUtfFolder, "fixutf8.py"));
return extensions;
}
}
private static void CheckMercurialIni()
{
if(_alreadyCheckedMercurialIni)
return;
try
{
var extensions = HgExtensions;
var doc = GetMercurialConfigInMercurialFolder();
if(!CheckExtensions(doc, extensions))
{
// Maybe we are running in a test environment, so attempt to write a correct
// mercurial.ini file for this environment.
// Note that we would not succeed in a installed environment, the installer
// should have already set this correctly, so that the check above would pass.
// review: Is there a better way to do this, so that this test only code is not
// included in the main code? CP 2012-04
SetExtensions(doc, HgExtensions);
try
{
doc.Save();
}
// ReSharper disable EmptyGeneralCatchClause
catch(Exception)
{
}
// ReSharper restore EmptyGeneralCatchClause
doc = GetMercurialConfigInMercurialFolder();
if(!CheckExtensions(doc, extensions))
{
throw new ApplicationException(
"The mercurial.ini file shipped with this application does not have the fixutf8 extension enabled."
);
}
}
_alreadyCheckedMercurialIni = true;
}
catch(Exception error)
{
throw new ApplicationException(string.Format("Failed to set up extensions: {0}", error.Message),
error);
}
}
private void EnsureChorusMergeAddedToHgrc()
{
var mergetoolname = "chorusmerge";
var doc = GetMercurialConfigForRepository();
var chorusMergeLoc = SurroundWithQuotes(ExecutionEnvironment.ChorusMergeFilePath());
var uiSection = doc.Sections.GetOrCreate("ui");
uiSection.Set("merge", mergetoolname);
uiSection.Set("interactive", "True");
var mergeToolsSection = doc.Sections.GetOrCreate("merge-tools");
// If the premerge is allowed to happen Mercurial will occasionally think it did a good enough job and not
// call our mergetool. This has data corrupting results for us so we tell mercurial to skip it.
mergeToolsSection.Set(string.Format("{0}.premerge", mergetoolname), "False");
mergeToolsSection.Set(string.Format("{0}.executable", mergetoolname), chorusMergeLoc);
doc.SaveAndThrowIfCannot();
}
public bool GetFileIsInRepositoryFromFullPath(string fullPath)
{
if (fullPath.IndexOf(_pathToRepository) < 0)
{
throw new ArgumentException(
string.Format("GetFileIsInRepositoryFromFullPath() requies the argument {0} be a child of the root {1}",
fullPath,
_pathToRepository));
}
string subPath = fullPath.Replace(_pathToRepository, "");
if (subPath.StartsWith(Path.DirectorySeparatorChar.ToString()))
{
subPath = subPath.Remove(0, 1);
}
return GetFileExistsInRepo(subPath);
}
/// <returns>true if changes were received</returns>
public bool Pull(RepositoryAddress source, string targetUri)
{
_progress.WriteMessage("Receiving any changes from {0}", source.Name);
_progress.WriteVerbose("({0} is {1})", source.Name, ServerSettingsModel.RemovePasswordForLog(targetUri));
CheckAndUpdateHgrc();
bool result;
var transport = CreateTransportBetween(source, targetUri);
result = transport.Pull();
return result;
}
public void PushToTarget(string targetLabel, string targetUri)
{
try
{
CheckAndUpdateHgrc();
Execute(false, _mercurialTwoCompatible,SecondsBeforeTimeoutOnRemoteOperation, "push --new-branch " + GetProxyConfigParameterString(targetUri), SurroundWithQuotes(targetUri));
}
catch (Exception err)
{
_progress.WriteMessageWithColor("OrangeRed",
$"Could not send to {ServerSettingsModel.RemovePasswordForLog(targetUri)}{Environment.NewLine}{err.Message}");
}
if (GetIsLocalUri(targetUri))
{
try
{
Execute(SecondsBeforeTimeoutOnLocalOperation, "update", "-C"); // for usb keys and other local repositories
}
catch (Exception err)
{
_progress.WriteMessageWithColor("OrangeRed",
$"Could not update the actual files after a pushing to {ServerSettingsModel.RemovePasswordForLog(targetUri)}{Environment.NewLine}{err.Message}");
}
}
}
public bool PullFromTarget(string targetLabel, string targetUri)
{
CheckAndUpdateHgrc();
try
{
var tip = GetTip();
Execute(SecondsBeforeTimeoutOnRemoteOperation, "pull" + GetProxyConfigParameterString(targetUri), SurroundWithQuotes(targetUri));
var newTip = GetTip();
if (tip == null)
return newTip != null;
return tip.Number.Hash != newTip.Number.Hash;
//review... I believe you can't pull without getting a new tip
}
catch (Exception error)
{
var targetUriForLog = ServerSettingsModel.RemovePasswordForLog(targetUri);
_progress.WriteWarning("Could not receive from " + targetLabel);
var specificError = error;
if (UriProblemException.ErrorMatches(error))
{
specificError = new UriProblemException(targetUriForLog);
}
else if (ProjectLabelErrorException.ErrorMatches(error))
{
specificError = new ProjectLabelErrorException(targetUriForLog);
}
else if(UnrelatedRepositoryErrorException.ErrorMatches(error))
{
specificError = new UnrelatedRepositoryErrorException(targetUriForLog);
}
else if (FirewallProblemSuspectedException.ErrorMatches(error))
{
specificError = new FirewallProblemSuspectedException();
}
else if (ServerErrorException.ErrorMatches(error))
{
specificError = new ServerErrorException();
}
else if (PortProblemException.ErrorMatches(error))
{
specificError = new PortProblemException(targetUriForLog);
}
else if (RepositoryAuthorizationException.ErrorMatches(error))
{
specificError = new RepositoryAuthorizationException();
}
throw specificError;
}
}
private IHgTransport CreateTransportBetween(RepositoryAddress source, string targetUri)
{
if (source.IsResumable)
{
_progress.WriteVerbose("Initiating Resumable Transport");
return new HgResumeTransport(this, source.Name, new HgResumeRestApiServer(targetUri), _progress);
}
_progress.WriteVerbose("Initiating Normal Transport");
return new HgNormalTransport(this, source.Name, targetUri, _progress);
}
/// <summary>
/// Gives an id string which is unique to this repository, but shared across all clones of it. Can be used to identify relatives in crowd.
/// </summary>
public string Identifier
{
get
{
// Or: id -i -r0 for short id
var results = Execute(SecondsBeforeTimeoutOnLocalOperation, "log -r0 --template " + SurroundWithQuotes("{node}"));
// NB: This may end with a new line (
 entity in xml).
// It could possibly have multiple lines, in which case, we want the last one.
// Earlier ones may be coming from some other version of Hg that complains about deprecated extensions Chorus uses.
var id = results.StandardOutput;
if (string.IsNullOrEmpty(id) || id.Trim().Equals(EmptyRepoIdentifier))
return null;
var split = id.Split(new[] { "\n", "\r" }, StringSplitOptions.RemoveEmptyEntries);
id = split.Length == 0 ? null : split[split.Length - 1]; // Get last one.
return id;
}
}
public void Push(RepositoryAddress source, string targetUri)
{
_progress.WriteMessage("Sending changes to {0}", source.Name);
_progress.WriteVerbose("({0} is {1})", source.Name, ServerSettingsModel.RemovePasswordForLog(targetUri));
CheckAndUpdateHgrc();
var transport = CreateTransportBetween(source, targetUri);
transport.Push();
}
private static bool GetIsLocalUri(string uri)
{
return !(uri.StartsWith("http") || uri.StartsWith("ssh"));
}
public Revision GetTip()
{
var rev = GetRevisionsFromQuery("tip " + DetailedRevisionTemplate).FirstOrDefault();
if (rev == null || rev.Number.LocalRevisionNumber == "-1")
return null;
return rev;
}
public List<Revision> GetHeads()
{
_progress.WriteVerbose("Getting heads of {0}", _userName);
return GetRevisionsFromQuery("heads " + DetailedRevisionTemplate);
}
public bool MakeBundle(string[] baseRevisions, string filePath)
{
string command;
if (baseRevisions.Length == 0 || baseRevisions.Contains("0")) // empty list or "0" means "all revisions"
{
command = string.Format("bundle --all \"{0}\"", filePath);
}
else
{
var revisionFlags = @"";
foreach (var baseRevision in baseRevisions)
{
revisionFlags += string.Format(@"--base {0} ", baseRevision);
}
command = string.Format("bundle {0} \"{1}\"", revisionFlags, filePath);
}
string result = GetTextFromQuery(command);
//_progress.WriteVerbose("While creating bundle at {0} with base {1}: {2}", filePath, baseRevision, result.Trim());
var theFile = new FileInfo(filePath);
if (theFile.Exists && theFile.Length > 0 || result.Contains("no changes found"))
{
return true;
}
return false;
}
internal string GetTextFromQuery(string query)
{
return GetTextFromQuery(query, SecondsBeforeTimeoutOnLocalOperation);
}
private string GetTextFromQuery(string query, int secondsBeforeTimeoutOnLocalOperation)
{
var result = ExecuteErrorsOk(query, secondsBeforeTimeoutOnLocalOperation);
if (GetHasLocks())
{
_progress.WriteWarning("Hg Command {0} left lock", query);
}
return result.StandardOutput ?? "";
}
/// <summary>
/// Method only for testing.
/// </summary>
/// <param name="filePath"></param>
public void TestOnlyAddSansCommit(string filePath)
{
TrackFile(filePath);
}
public void AddAndCheckinFile(string filePath)
{
TrackFile(filePath);
Commit(_mercurialTwoCompatible, " Add " + Path.GetFileName(filePath));
}
private void TrackFile(string filePath)
{
CheckAndUpdateHgrc();
_progress.WriteVerbose("Adding {0} to the files that are tracked for {1}: ", Path.GetFileName(filePath),
_userName);
Execute(SecondsBeforeTimeoutOnLocalOperation, "add", SurroundWithQuotes(filePath));
}
public virtual void Commit(bool forceCreationOfChangeSet, string message, params object[] args)
{
CheckAndUpdateHgrc();
message = string.Format(message, args);
_progress.WriteVerbose("{0} committing with comment: {1}", _userName, message);
ExecutionResult result = Execute(false, _mercurialTwoCompatible,SecondsBeforeTimeoutOnLocalOperation, "ci", "-u " + SurroundWithQuotes(_userName), "-m " + SurroundWithQuotes(message));
_progress.WriteVerbose(result.StandardOutput);
}
///<summary>
/// Tell Hg to forget the specified file, so it won't track it anymore.
///</summary>
/// <remarks>
/// 'forget' will mark it as deleted in the repo (keeping its history, of course),
/// but it will leave it in the user's workspace.
/// </remarks>
public void ForgetFile(string filepath)
{
CheckAndUpdateHgrc();
_progress.WriteWarning("{0} is removing {1} from system. The file will remain in the history and on disk.", _userName, Path.GetFileName(filepath));
Execute(SecondsBeforeTimeoutOnLocalOperation, "forget ", SurroundWithQuotes(filepath));
}
public ExecutionResult Execute(int secondsBeforeTimeout, string cmd, params string[] rest)
{
return Execute(false, _mercurialTwoCompatible, secondsBeforeTimeout, cmd, rest);
}
protected ExecutionResult Execute(bool failureIsOk, int secondsBeforeTimeout, string cmd, params string[] rest)
{
return Execute(failureIsOk, _mercurialTwoCompatible, secondsBeforeTimeout, cmd, rest);
}
/// <summary>
///
/// </summary>
/// <exception cref="System.TimeoutException"/>
/// <returns></returns>
private ExecutionResult Execute(bool failureIsOk, bool noChangeIsOk, int secondsBeforeTimeout, string cmd, params string[] rest)
{
if(_progress.CancelRequested)
{
throw new UserCancelledException();
}
var b = new StringBuilder();
b.Append(cmd + " ");
foreach (var s in rest)
{
b.Append(s + " ");
}
var hgCmdArgs = b.ToString();
ExecutionResult result = ExecuteErrorsOk(hgCmdArgs, secondsBeforeTimeout);
if (HgProcessOutputReader.kCancelled == result.ExitCode)
{
_progress.WriteWarning("User Cancelled");
return result;
}
if (0 != result.ExitCode && !failureIsOk && !(1 == result.ExitCode && noChangeIsOk))
{
var detailsBuilder = new StringBuilder().AppendLine().AppendLine("hg command was")
.AppendLine(ServerSettingsModel.RemovePasswordForLog(hgCmdArgs));
try
{
var versionInfo = GetTextFromQuery("version", secondsBeforeTimeout);
//trim the verbose copyright stuff
versionInfo = versionInfo.Substring(0, versionInfo.IndexOf("Copyright", StringComparison.Ordinal));
detailsBuilder.Append($"hg version is {versionInfo}");
}
catch (Exception)
{
detailsBuilder.Append("Could not get HG VERSION");
}
if (string.IsNullOrEmpty(result.StandardError))
{
throw new ApplicationException(detailsBuilder.Insert(0, result.ExitCode).Insert(0, "Got return value ").ToString());
}
if (result.StandardError.Contains(@"unresolved merge conflicts"))
{
return RecoverFromFailedMerge(failureIsOk, secondsBeforeTimeout, cmd, rest);
}
if(result.StandardError.Contains(@"interrupted"))
{
return RecoverFromInterruptedUpdate(failureIsOk, secondsBeforeTimeout, cmd, rest);
}
if (result.StandardError.Contains("No such file or directory"))// trying to track down http://jira.palaso.org/issues/browse/BL-284
{
detailsBuilder.Append(SafeGetStatus());
}
throw new ApplicationException(detailsBuilder.Insert(0, result.StandardError).ToString());
}
return result;
}
/// <summary>
/// The procedure for recovering from an interrupted update is to update again.
/// </summary>
private ExecutionResult RecoverFromInterruptedUpdate(bool failureIsOk, int secondsBeforeTimeout, string cmd, string[] rest)
{
Update();
return Execute(failureIsOk, secondsBeforeTimeout, cmd, rest);
}
/// <summary>
/// Attempt to recover from a failed merge by asking mercurial to try again.
/// </summary>
/// <remarks>
/// A failed merge means that not all of the files with conflicts were successfully resolved for some reason.
/// Candidates include power failure during the merge, system crash during the merge, impatient user killing processes during the merge.
/// Another likely cause is a crash in client code run by chorus merge and trying to recover will not succeed until a new version of
/// the client is shipped.
///</remarks>
private ExecutionResult RecoverFromFailedMerge(bool failureIsOk, int secondsBeforeTimeout, string cmd, string[] rest)
{
var heads = GetHeads();
if(heads.Count() > 2)
{
throw new ApplicationException("Unable to recover from failed merge: [Too many heads in the repository]");
}
// set the environment variables necessary for ChorusMerge to retry the merge
MergeSituation.PushRevisionsToEnvironmentVariables(heads[0].UserId, heads[0].Number.Hash,
heads[1].UserId, heads[1].Number.Hash);
MergeOrder.PushToEnvironmentVariables(_pathToRepository);
using(new ShortTermEnvironmentalVariable(MergeOrder.kConflictHandlingModeEnvVarName,
MergeOrder.ConflictHandlingModeChoices.WeWin.ToString()))
{
_progress.WriteMessageWithColor(@"Blue", "Attempting to recover from failed merge.");
var result = Execute(true, SecondsBeforeTimeoutOnMergeOperation, "resolve", "--all");
if(!string.IsNullOrEmpty(result.StandardError))
{
throw new ApplicationException($"Unable to recover from failed merge: [{result.StandardError}]");
}
}
_progress.WriteMessageWithColor(@"Green", "Successfully recovered from failed merge.");
return Execute(failureIsOk, secondsBeforeTimeout, cmd, rest);
}
private string SafeGetStatus()
{
try
{
return Environment.NewLine + "Status:" + Environment.NewLine + (GetTextFromQuery("status"));
}
catch (Exception e)
{
#if DEBUG
throw e;
#else
//else swallow
return "Error in SafeGetStatus(): " + e.Message;
#endif
}
}
/// <exception cref="System.TimeoutException"/>
private ExecutionResult ExecuteErrorsOk(string command, int secondsBeforeTimeout)
{
if (_progress.CancelRequested)
{
throw new UserCancelledException();
}
var commandWithoutPasswordForLog = ServerSettingsModel.RemovePasswordForLog(command);
#if DEBUG
if (GetHasLocks(_pathToRepository, _progress))
{
_progress.WriteWarning("Found a lock before executing: {0}.", commandWithoutPasswordForLog);
}
#endif
ExecutionResult result;
// The only commands safe to cache are `hg log -rREVNUM --template "{node}"`, as their output never changes for a given repo.
// There are two exceptions to this: `hg log` commands requesting a negative revision number, which means "N revisions back from tip",
// and cases where the result is an all-zero identifier, which usually means the repo is empty and that will change soon.
if (command.StartsWith("log -r") && !command.StartsWith("log -r-") && command.Trim().EndsWith("--template \"{node}\"")) {
if (_hgLogCache.TryGetValue(command, out result)) {
_progress.WriteVerbose("Using cached result: " + commandWithoutPasswordForLog);
} else {
_progress.WriteVerbose("Executing and caching: " + commandWithoutPasswordForLog);
result = HgRunner.Run("hg " + command, _pathToRepository, secondsBeforeTimeout, _progress);
if (!string.IsNullOrEmpty(result.StandardOutput) && result.StandardOutput.StartsWith(EmptyRepoIdentifier)) {
_progress.WriteVerbose("Not caching an all-zero result");
} else {
_hgLogCache[command] = result;
}
}
} else {
_progress.WriteVerbose("Executing: " + commandWithoutPasswordForLog);
result = HgRunner.Run("hg " + command, _pathToRepository, secondsBeforeTimeout, _progress);
}
if (result.DidTimeOut)
{
throw new TimeoutException(result.StandardError);
}
if (result.UserCancelled)
{
throw new UserCancelledException();
}
if (!string.IsNullOrWhiteSpace(result.StandardError))
{
_progress.WriteVerbose("standerr: " + result.StandardError.TrimEnd());//not necessarily an *error* down this deep
}
if (!string.IsNullOrWhiteSpace(result.StandardOutput))
{
_progress.WriteVerbose("standout: " + result.StandardOutput.TrimEnd());//not necessarily an *error* down this deep
}
#if DEBUG
//nb: store/lock is so common with recover (in hg 1.3) that we don't even want to mention it
// enhance: what are the odds the username or password contain "recover"?
if (!commandWithoutPasswordForLog.Contains("recover") && GetHasLocks(_pathToRepository, _progress))
{
_progress.WriteWarning("{0} left a lock.", commandWithoutPasswordForLog);
}
#endif
return result;
}
public string PathWithQuotes
{
get
{
return "\"" + _pathToRepository + "\"";
}
}
public string PathToRepo
{
get { return _pathToRepository; }
}
public string GetFilePath(string name)
{
return Path.Combine(_pathToRepository, name);
}
public List<string> GetChangedFiles()
{
CheckAndUpdateHgrc();
ExecutionResult result = Execute(SecondsBeforeTimeoutOnLocalOperation, "status");
string[] lines = result.StandardOutput.Split('\n');
List<string> files = new List<string>();
foreach (string line in lines)
{
if (line.Trim() != "")
files.Add(line.Substring(2)); //! data.txt
}
return files;
}
public void Update()
{
_progress.WriteVerbose("{0} updating", _userName);
CheckAndUpdateHgrc();
Execute(SecondsBeforeTimeoutOnLocalOperation, "update", "-C");
}
public void Update(string revision)
{
_progress.WriteVerbose("{0} updating (making working directory contain) revision {1}", _userName, revision);
CheckAndUpdateHgrc();
Execute(SecondsBeforeTimeoutOnLocalOperation, "update", "-r", revision, "-C");
}
public UpdateResults UpdateToLongHash(string desiredLongHash)
{
if (string.IsNullOrWhiteSpace(Identifier))
{
return UpdateResults.NoCommitsInRepository;
}
var workingSetRevision = GetRevisionWorkingSetIsBasedOn();
if (desiredLongHash == workingSetRevision.Number.LongHash)
{
// Already on it.
return UpdateResults.AlreadyOnIt;
}
// Find it the hard way.
foreach (var currentRevision in GetAllRevisions())
{
var currentLongHash = currentRevision.Number.LongHash;
if (currentLongHash != desiredLongHash)
{
continue;
}
// Update to it.
Update(currentRevision.Number.Hash);
return UpdateResults.Success;
}
// No such commit!
return UpdateResults.NoSuchRevision;
}
public UpdateResults UpdateToBranchHead(string desiredBranchName)
{
if (string.IsNullOrWhiteSpace(Identifier))
{
return UpdateResults.NoCommitsInRepository;
}
Revision highestHead = null;
foreach (var head in GetHeads().Where(head => head.Branch == desiredBranchName))
{
if (highestHead == null)
{
highestHead = head;
}
else
{
// Ugh! more than one head in branch, so use the one with the highest local revision number.
// The extra head(s) will be merged in the next S/R that does merges.
if (int.Parse(highestHead.Number.LocalRevisionNumber) < int.Parse(head.Number.LocalRevisionNumber))
{
highestHead = head;
}
}
}
if (highestHead == null)
{
// No such branch.
return UpdateResults.NoSuchBranch;
}
if (GetRevisionWorkingSetIsBasedOn().Number.LongHash == highestHead.Number.LongHash)
{
return UpdateResults.AlreadyOnIt;
}
Update(highestHead.Number.Hash);
return UpdateResults.Success;
}
public string Verify()
{
_progress.WriteVerbose("{0} verifying", _userName);
CheckAndUpdateHgrc();
ExecutionResult result = Execute(SecondsBeforeTimeoutOnLocalOperation, "verify");
if (result.StandardOutput.Contains("run hg recover"))
{
// Failed to verify. Try simple recover command
_progress.WriteVerbose("{0} failed to verify - Attempting recovery", _userName);
Execute(SecondsBeforeTimeoutOnLocalOperation, "recover");
result = Execute(SecondsBeforeTimeoutOnLocalOperation, "verify");
}
if (result.ExitCode == 0)
return null;
return result.StandardOutput + result.StandardError;
}
// public void GetRevisionOfFile(string fileRelativePath, string revision, string fullOutputPath)
// {
// //for "hg cat" (surprisingly), the relative path isn't relative to the start of the repo, but to the current
// // directory.
// string absolutePathToFile = SurroundWithQuotes(Path.Combine(_pathToRepository, fileRelativePath));
//
// Execute("cat", _pathToRepository, "-o ",fullOutputPath," -r ",revision,absolutePathToFile);
// }
/// <summary>
/// Note, this uses the value of AllowDotEncodeRepositoryFormat
/// </summary>
public static HgRepository CreateRepositoryInExistingDir(string path, IProgress progress)
{
CheckMercurialIni();
var repo = new HgRepository(path, progress);
repo.Init();
return repo;
}
/// <summary>
/// Note, this uses the value of AllowDotEncodeRepositoryFormat
/// </summary>
public void Init()
{
CheckMercurialIni();
Execute(20, "init", SurroundWithQuotes(_pathToRepository));
CheckAndUpdateHgrc();
}
public void AddAndCheckinFiles(List<string> includePatterns, List<string> excludePatterns, string message)
{
CheckAndUpdateHgrc();
StringBuilder args = new StringBuilder();
foreach (string pattern in includePatterns)
{
string p = Path.Combine(_pathToRepository, pattern);
args.Append(" -I " + SurroundWithQuotes(p));
}
foreach (string pattern in excludePatterns)
{
//this fails: hg add -R "E:\Users\John\AppData\Local\Temp\ChorusTest" -X "**/cache"
//but this works -X "E:\Users\John\AppData\Local\Temp\ChorusTest/**/cache"
string p = Path.Combine(_pathToRepository, pattern);
args.Append(" -X " + SurroundWithQuotes(p));
}
//enhance: what happens if something is covered by the exclusion pattern that was previously added? Will the old
// version just be stuck on the head? NB: to remove a file from the checkin but not delete it, do "hg remove -Af"
if (GetIsAtLeastOneMissingFileInWorkingDir())
{
_progress.WriteVerbose("At least one file was removed from the working directory. Telling Hg to record the deletion.");
Execute(SecondsBeforeTimeoutOnLocalOperation, "rm -A");
}
_progress.WriteVerbose("Adding files to be tracked ({0}", args.ToString());
Execute(SecondsBeforeTimeoutOnLocalOperation, "add", args.ToString());
_progress.WriteVerbose("Committing \"{0}\"", message);
Commit(_mercurialTwoCompatible, message);
}
public static string GetRepositoryRoot(string directoryPath, ExecutionResult secondsBeforeTimeout)
{
// string old = Directory.GetCurrentDirectory();
// try
// {
// Directory.SetCurrentDirectory(directoryPath);
ExecutionResult result = secondsBeforeTimeout;
if (result.ExitCode == 0)
{
var output = result.StandardOutput;
int index = output.IndexOf('\n');
if (index > 0)
{
output = output.Substring(0, index);
}
return output.Trim();
}
return null;
// }
// finally
// {
// Directory.SetCurrentDirectory(old);
// }
}
private void PrintHeads(List<Revision> heads, Revision myHead)
{
_progress.WriteMessage("Current Heads:");
foreach (Revision head in heads)
{
if (head.Number.LocalRevisionNumber == myHead.Number.LocalRevisionNumber)
{
_progress.WriteVerbose(" ME {0} {1} {2}", head.UserId, head.Number.LocalRevisionNumber, head.Summary);
}
else
{
_progress.WriteVerbose(" {0} {1} {2}", head.UserId, head.Number.LocalRevisionNumber, head.Summary);
}
}
}
/// <summary>
/// Will throw exception in case of error.
/// Will never time out.
/// Will honor state of the progress.CancelRequested property
/// </summary>
public void CloneFromSource(string sourceLabel, string sourceUri)
{
try
{
Execute(int.MaxValue, "clone -U", DoWorkOfDeterminingProxyConfigParameterString(_pathToRepository, _progress), SurroundWithQuotes(sourceUri) + " " + SurroundWithQuotes(_pathToRepository));
}
catch (Exception error)
{
if (UriProblemException.ErrorMatches(error))
{
throw new UriProblemException(sourceUri);
}
else if (ProjectLabelErrorException.ErrorMatches(error))
{
throw new ProjectLabelErrorException(sourceUri);
}
else if (FirewallProblemSuspectedException.ErrorMatches(error))
{
throw new FirewallProblemSuspectedException();
}
else if (ServerErrorException.ErrorMatches(error))
{
throw new ServerErrorException();
}
else if (PortProblemException.ErrorMatches(error))
{
throw new PortProblemException(sourceUri);
}
else if (PortProblemException.ErrorMatches(error))
{