mirror of
https://github.com/tgstation/tgstation-server.git
synced 2026-08-31 09:02:41 +01:00
Jordan Brownandoranges
8c6d31f394
Let's just get this merged instead of having a massive PR Original PR: tgstation/tgstation#26534
856 lines
20 KiB
C#
856 lines
20 KiB
C#
using LibGit2Sharp;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Threading;
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using System.Web.Script.Serialization;
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using TGServiceInterface;
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namespace TGServerService
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{
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partial class TGStationServer : ITGRepository, IDisposable
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{
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const string RepoPath = "Repository";
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const string RepoConfig = RepoPath + "/config";
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const string RepoData = RepoPath + "/data";
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const string RepoErrorUpToDate = "Already up to date!";
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const string SSHPushRemote = "ssh_push_target";
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const string PrivateKeyPath = "RepoKey/private_key.txt";
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const string PublicKeyPath = "RepoKey/public_key.txt";
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const string PRJobFile = "prtestjob.json";
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const string CommitMessage = "Automatic changelog compile, [ci skip]";
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object RepoLock = new object();
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bool RepoBusy = false;
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bool Cloning = false;
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Repository Repo;
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int currentProgress = -1;
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//public api
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public bool OperationInProgress()
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{
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lock(RepoLock)
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{
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return RepoBusy;
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}
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}
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//public api
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public int CheckoutProgress()
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{
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return currentProgress;
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}
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//Sets up the repo object
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string LoadRepo()
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{
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if (Repo != null)
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return null;
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if (!Repository.IsValid(RepoPath))
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return "Repository does not exist";
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try
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{
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Repo = new Repository(RepoPath);
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}
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catch (Exception e)
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{
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return e.ToString();
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}
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return null;
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}
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//Cleans up the repo object
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void DisposeRepo()
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{
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if (Repo != null)
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{
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Repo.Dispose();
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Repo = null;
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}
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}
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//public api
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public bool Exists()
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{
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lock (RepoLock)
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{
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return !Cloning && Repository.IsValid(RepoPath);
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}
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}
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//Updates the currentProgress var
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//no locks required because who gives a shit, it's a fucking 32-bit integer
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bool HandleTransferProgress(TransferProgress progress)
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{
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currentProgress = (int)(((float)progress.ReceivedObjects / progress.TotalObjects) * 100) / 2;
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currentProgress += (int)(((float)progress.IndexedObjects / progress.TotalObjects) * 100) / 2;
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return true;
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}
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//see above
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void HandleCheckoutProgress(string path, int completedSteps, int totalSteps)
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{
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currentProgress = (int)(((float)completedSteps / totalSteps) * 100);
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}
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//For the thread parameter
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private class TwoStrings
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{
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public string a, b;
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}
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//This is the thread that resets za warldo
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//clones, checksout, sets up static dir
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void Clone(object twostrings)
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{
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//busy flag set by caller
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try
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{
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var ts = (TwoStrings)twostrings;
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var RepoURL = ts.a;
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var BranchName = ts.b;
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SendMessage(String.Format("REPO: {2} started: Cloning {0} branch of {1} ...", BranchName, RepoURL, Repository.IsValid(RepoPath) ? "Full reset" : "Setup"));
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try
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{
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DisposeRepo();
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Program.DeleteDirectory(RepoPath);
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DeletePRList();
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lock (configLock)
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{
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if (Directory.Exists(StaticDirs))
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{
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int count = 1;
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string path = Path.GetDirectoryName(StaticBackupDir);
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string newFullPath = StaticBackupDir;
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while (File.Exists(newFullPath) || Directory.Exists(newFullPath))
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{
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string tempDirName = string.Format("{0}({1})", StaticBackupDir, count++);
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newFullPath = Path.Combine(path, tempDirName);
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}
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Program.CopyDirectory(StaticDirs, newFullPath);
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}
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Program.DeleteDirectory(StaticDirs);
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}
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var Opts = new CloneOptions()
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{
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BranchName = BranchName,
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RecurseSubmodules = true,
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OnTransferProgress = HandleTransferProgress,
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OnCheckoutProgress = HandleCheckoutProgress,
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CredentialsProvider = GenerateGitCredentials,
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};
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Repository.Clone(RepoURL, RepoPath, Opts);
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currentProgress = -1;
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LoadRepo();
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//create an ssh remote for pushing
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Repo.Network.Remotes.Add(SSHPushRemote, RepoURL.Replace("git://", "ssh://").Replace("https://", "ssh://"));
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lock (configLock)
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{
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Program.CopyDirectory(RepoConfig, StaticConfigDir);
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}
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Program.CopyDirectory(RepoData, StaticDataDir, null, true);
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File.Copy(RepoPath + LibMySQLFile, StaticDirs + LibMySQLFile, true);
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SendMessage("REPO: Clone complete!");
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}
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finally
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{
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currentProgress = -1;
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}
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}
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catch(Exception e)
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{
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SendMessage("REPO: Setup failed!");
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TGServerService.WriteLog("Clone error: " + e.ToString(), EventLogEntryType.Error);
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}
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finally
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{
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lock (RepoLock)
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{
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RepoBusy = false;
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Cloning = false;
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}
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}
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}
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//kicks off the cloning thread
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//public api
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public string Setup(string RepoURL, string BranchName)
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{
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lock (RepoLock)
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{
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if (RepoBusy)
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return "Repo is busy!";
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lock (CompilerLock)
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{
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if (!CompilerIdleNoLock())
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return "Compiler is running!";
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}
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if (DaemonStatus() != TGDreamDaemonStatus.Offline)
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return "DreamDaemon is running!";
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if (RepoURL.Contains("ssh://") && !SSHAuth())
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return String.Format("SSH url specified but either {0} or {1} does not exist in the server directory!", PrivateKeyPath, PublicKeyPath);
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RepoBusy = true;
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Cloning = true;
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new Thread(new ParameterizedThreadStart(Clone))
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{
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IsBackground = true //make sure we don't hold up shutdown
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}.Start(new TwoStrings { a = RepoURL, b = BranchName });
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return null;
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}
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}
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//Gets what HEAD is pointing to
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string GetShaOrBranch(out string error, bool branch)
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{
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lock (RepoLock)
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{
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var result = LoadRepo();
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if (result != null)
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{
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error = result;
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return null;
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}
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try
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{
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error = null;
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return branch ? Repo.Head.FriendlyName : Repo.Head.Tip.Sha;
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}
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catch (Exception e)
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{
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error = e.ToString();
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return null;
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}
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}
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}
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//moist shleppy noises
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//public api
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public string GetHead(out string error)
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{
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return GetShaOrBranch(out error, false);
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}
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//public api
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public string GetBranch(out string error)
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{
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return GetShaOrBranch(out error, true);
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}
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//public api
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public string GetRemote(out string error)
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{
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try
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{
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var res = LoadRepo();
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if (res != null)
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{
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error = res;
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return null;
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}
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error = null;
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return Repo.Network.Remotes["origin"].Url;
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}
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catch (Exception e)
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{
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error = e.ToString();
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return null;
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}
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}
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//calls git reset --hard on HEAD
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//requires RepoLock
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string ResetNoLock(Branch targetBranch)
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{
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try
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{
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if (targetBranch != null)
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Repo.Reset(ResetMode.Hard, targetBranch.Tip);
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else
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Repo.Reset(ResetMode.Hard);
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return null;
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}
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catch (Exception e)
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{
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return e.ToString();
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}
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}
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//public api
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public string Checkout(string sha)
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{
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lock (RepoLock)
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{
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var result = LoadRepo();
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if (result != null)
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return result;
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SendMessage("REPO: Checking out object: " + sha);
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try
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{
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var Opts = new CheckoutOptions()
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{
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CheckoutModifiers = CheckoutModifiers.Force,
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OnCheckoutProgress = HandleCheckoutProgress,
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};
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Commands.Checkout(Repo, sha, Opts);
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var res = ResetNoLock(null);
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SendMessage("REPO: Checkout complete!");
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return res;
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}
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catch (Exception E)
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{
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SendMessage("REPO: Checkout failed!");
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return E.ToString();
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}
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}
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}
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//Merges a thing into HEAD, not even necessarily a branch
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string MergeBranch(string branchname)
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{
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var mo = new MergeOptions()
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{
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OnCheckoutProgress = HandleCheckoutProgress
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};
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var Result = Repo.Merge(branchname, MakeSig());
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currentProgress = -1;
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switch (Result.Status)
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{
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case MergeStatus.Conflicts:
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ResetNoLock(null);
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SendMessage("REPO: Merge conflicted, aborted.");
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return "Merge conflict occurred.";
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case MergeStatus.UpToDate:
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SendMessage("REPO: Merge already up to date!");
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return RepoErrorUpToDate;
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}
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return null;
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}
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//public api
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public string Update(bool reset)
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{
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lock (RepoLock)
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{
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var result = LoadRepo();
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if (result != null)
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return result;
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SendMessage(String.Format("REPO: Updating origin branch...({0})", reset ? "Hard Reset" : "Merge"));
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try
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{
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if (Repo.Head == null || !Repo.Head.IsTracking)
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return "Cannot update while not on a tracked branch";
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string logMessage = "";
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var R = Repo.Network.Remotes["origin"];
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IEnumerable<string> refSpecs = R.FetchRefSpecs.Select(X => X.Specification);
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var fos = new FetchOptions()
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{
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CredentialsProvider = GenerateGitCredentials,
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};
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fos.OnTransferProgress += HandleTransferProgress;
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Commands.Fetch(Repo, R.Name, refSpecs, fos, logMessage);
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var originBranch = Repo.Head.TrackedBranch;
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if (reset)
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{
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var error = ResetNoLock(Repo.Head.TrackedBranch);
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if (error == null)
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DeletePRList();
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else
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SendMessage("REPO: Update failed!");
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return error;
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}
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return MergeBranch(originBranch.FriendlyName);
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}
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catch (Exception E)
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{
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SendMessage("REPO: Update failed!");
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return E.ToString();
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}
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}
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}
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string CreateBackup()
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{
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try
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{
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lock (RepoLock)
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{
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var res = LoadRepo();
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if (res != null)
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return res;
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//Make sure we don't already have a backup at this commit
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var HEAD = Repo.Head.Tip.Sha;
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foreach (var T in Repo.Tags)
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if (T.Target.Sha == HEAD)
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return null;
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var tagName = "TGS-Compile-Backup-" + DateTime.Now.ToString("yyyy-MM-dd--HH.mm.ss");
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var tag = Repo.ApplyTag(tagName);
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if (tag != null)
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{
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TGServerService.WriteLog("Repo backup created at tag: " + tagName + " commit: " + HEAD);
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return null;
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}
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return "Tag creation failed!";
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}
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}
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catch (Exception e)
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{
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return e.ToString();
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}
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}
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public IDictionary<string, string> ListBackups(out string error)
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{
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try
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{
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lock (RepoLock)
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{
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error = LoadRepo();
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if (error != null)
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return null;
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var res = new Dictionary<string, string>();
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foreach (var T in Repo.Tags)
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if (T.FriendlyName.Contains("TGS"))
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res.Add(T.FriendlyName, T.Target.Sha);
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return res;
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}
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}
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catch (Exception e)
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{
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error = e.ToString();
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return null;
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}
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}
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//public api
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public string Reset(bool trackedBranch)
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{
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lock (RepoLock)
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{
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var res = LoadRepo() ?? ResetNoLock(trackedBranch ? (Repo.Head.TrackedBranch ?? Repo.Head) : Repo.Head);
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if (trackedBranch && res == null)
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DeletePRList();
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return res;
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}
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}
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//Makes the LibGit2Sharp sig we'll use for committing based on the configured stuff
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Signature MakeSig()
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{
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var Config = Properties.Settings.Default;
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return new Signature(new Identity(Config.CommitterName, Config.CommitterEmail), DateTimeOffset.Now);
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}
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//I wonder...
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void DeletePRList()
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{
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if (File.Exists(PRJobFile))
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File.Delete(PRJobFile);
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}
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//json_decode(file2text())
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IDictionary<string, IDictionary<string, string>> GetCurrentPRList()
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{
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if (!File.Exists(PRJobFile))
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return new Dictionary<string, IDictionary<string, string>>();
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var rawdata = File.ReadAllText(PRJobFile);
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var Deserializer = new JavaScriptSerializer();
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return Deserializer.Deserialize<IDictionary<string, IDictionary<string, string>>>(rawdata);
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}
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//text2file(json_encode())
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void SetCurrentPRList(IDictionary<string, IDictionary<string, string>> list)
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{
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var Serializer = new JavaScriptSerializer();
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var rawdata = Serializer.Serialize(list);
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File.WriteAllText(PRJobFile, rawdata);
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}
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//public api
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public string MergePullRequest(int PRNumber)
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{
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lock (RepoLock)
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{
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var result = LoadRepo();
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if (result != null)
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return result;
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SendMessage(String.Format("REPO: Merging PR #{0}...", PRNumber));
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try
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{
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//only supported with github
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var remoteUrl = Repo.Network.Remotes["origin"].Url;
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if (!remoteUrl.Contains("github.com"))
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return "Only supported with Github based repositories.";
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var Refspec = new List<string>();
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var PRBranchName = String.Format("pr-{0}", PRNumber);
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var LocalBranchName = String.Format("pull/{0}/headrefs/heads/{1}", PRNumber, PRBranchName);
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Refspec.Add(String.Format("pull/{0}/head:{1}", PRNumber, PRBranchName));
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var logMessage = "";
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var fo = new FetchOptions() { OnTransferProgress = HandleTransferProgress, Prune = true };
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var branch = Repo.Branches[LocalBranchName];
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if(branch != null)
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//Need to delete the branch first in case of rebase
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Repo.Branches.Remove(branch);
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Commands.Fetch(Repo, "origin", Refspec, fo, logMessage); //shitty api has no failure state for this
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currentProgress = -1;
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var Config = Properties.Settings.Default;
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branch = Repo.Branches[LocalBranchName];
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if (branch == null)
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{
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SendMessage("REPO: PR could not be fetched. Does it exist?");
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return String.Format("PR #{0} could not be fetched. Does it exist?", PRNumber);
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}
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//so we'll know if this fails
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var Result = MergeBranch(LocalBranchName);
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if (Result == null)
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{
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try
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{
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var CurrentPRs = GetCurrentPRList();
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var PRNumberString = PRNumber.ToString();
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CurrentPRs.Remove(PRNumberString);
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var newPR = new Dictionary<string, string>();
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//do some excellent remote fuckery here to get the api page
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var prAPI = remoteUrl;
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prAPI = prAPI.Replace("/.git", "");
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prAPI = prAPI.Replace(".git", "");
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prAPI = prAPI.Replace("github.com", "api.github.com/repos");
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prAPI += "/pulls/" + PRNumberString + ".json";
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string json;
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using (var wc = new WebClient())
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{
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wc.Headers.Add("user-agent", "TGStationServerService");
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json = wc.DownloadString(prAPI);
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}
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var Deserializer = new JavaScriptSerializer();
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var dick = Deserializer.DeserializeObject(json) as IDictionary<string, object>;
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var user = dick["user"] as IDictionary<string, object>;
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newPR.Add("commit", branch.Tip.Sha);
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newPR.Add("author", (string)user["login"]);
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newPR.Add("title", (string)dick["title"]);
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CurrentPRs.Add(PRNumberString, newPR);
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SetCurrentPRList(CurrentPRs);
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}
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catch(Exception e)
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{
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return "PR Merged, JSON update failed: " + e.ToString();
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}
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}
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return Result;
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}
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catch (Exception E)
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{
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SendMessage("REPO: PR merge failed!");
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return E.ToString();
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}
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}
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}
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//public api
|
|
public IList<PullRequestInfo> MergedPullRequests(out string error)
|
|
{
|
|
lock (RepoLock)
|
|
{
|
|
var result = LoadRepo();
|
|
if (result != null)
|
|
{
|
|
error = result;
|
|
return null;
|
|
}
|
|
try
|
|
{
|
|
var PRRawData = GetCurrentPRList();
|
|
IList<PullRequestInfo> output = new List<PullRequestInfo>();
|
|
foreach (var I in GetCurrentPRList())
|
|
output.Add(new PullRequestInfo(Convert.ToInt32(I.Key), I.Value["author"], I.Value["title"], I.Value["commit"]));
|
|
error = null;
|
|
return output;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
error = e.ToString();
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
//public api
|
|
public string GetCommitterName()
|
|
{
|
|
lock (RepoLock)
|
|
{
|
|
return Properties.Settings.Default.CommitterName;
|
|
}
|
|
}
|
|
|
|
//public api
|
|
public void SetCommitterName(string newName)
|
|
{
|
|
lock (RepoLock)
|
|
{
|
|
Properties.Settings.Default.CommitterName = newName;
|
|
}
|
|
}
|
|
|
|
//public api
|
|
public string GetCommitterEmail()
|
|
{
|
|
lock (RepoLock)
|
|
{
|
|
return Properties.Settings.Default.CommitterEmail;
|
|
}
|
|
}
|
|
|
|
//public api
|
|
public void SetCommitterEmail(string newEmail)
|
|
{
|
|
lock (RepoLock)
|
|
{
|
|
Properties.Settings.Default.CommitterEmail = newEmail;
|
|
}
|
|
}
|
|
|
|
//public api
|
|
string Commit()
|
|
{
|
|
lock (RepoLock)
|
|
{
|
|
var result = LoadRepo();
|
|
if (result != null)
|
|
return result;
|
|
try
|
|
{
|
|
// Stage the file
|
|
Commands.Stage(Repo, "html/changelog.html");
|
|
Commands.Stage(Repo, "html/changelogs");
|
|
|
|
// Create the committer's signature and commit
|
|
var authorandcommitter = MakeSig();
|
|
|
|
// Commit to the repository
|
|
Repo.Commit(CommitMessage, authorandcommitter, authorandcommitter);
|
|
DeletePRList();
|
|
return null;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
return e.ToString();
|
|
}
|
|
}
|
|
}
|
|
|
|
//public api
|
|
string Push()
|
|
{
|
|
lock (RepoLock)
|
|
{
|
|
var result = LoadRepo();
|
|
if (result != null)
|
|
return result;
|
|
|
|
try
|
|
{
|
|
if (!SSHAuth())
|
|
return String.Format("Either {0} or {1} is missing from the server directory. Unable to push!", PrivateKeyPath, PublicKeyPath);
|
|
|
|
var options = new PushOptions()
|
|
{
|
|
CredentialsProvider = GenerateGitCredentials,
|
|
};
|
|
Repo.Network.Push(Repo.Network.Remotes[SSHPushRemote], Repo.Head.CanonicalName, options);
|
|
return null;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
return e.ToString();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool SSHAuth()
|
|
{
|
|
return File.Exists(PrivateKeyPath) && File.Exists(PublicKeyPath);
|
|
}
|
|
|
|
Credentials GenerateGitCredentials(string url, string usernameFromUrl, SupportedCredentialTypes types)
|
|
{
|
|
var user = usernameFromUrl ?? "git";
|
|
if (types == SupportedCredentialTypes.UsernameQuery)
|
|
return new UsernameQueryCredentials()
|
|
{
|
|
Username = user,
|
|
};
|
|
return new SshUserKeyCredentials()
|
|
{
|
|
Username = user,
|
|
PrivateKey = PrivateKeyPath,
|
|
PublicKey = PublicKeyPath,
|
|
Passphrase = "",
|
|
};
|
|
}
|
|
|
|
//public api
|
|
public string GenerateChangelog(out string error)
|
|
{
|
|
return GenerateChangelogImpl(out error);
|
|
}
|
|
|
|
//impl proc just for single level recursion
|
|
public string GenerateChangelogImpl(out string error, bool recurse = false)
|
|
{
|
|
const string ChangelogPy = RepoPath + "/tools/ss13_genchangelog.py";
|
|
const string ChangelogHtml = RepoPath + "/html/changelog.html";
|
|
const string ChangelogDir = RepoPath + "/html/changelogs";
|
|
if (!Exists())
|
|
{
|
|
error = "Repo does not exist!";
|
|
return null;
|
|
}
|
|
|
|
lock (RepoLock)
|
|
{
|
|
if (RepoBusy)
|
|
{
|
|
error = "Repo is busy!";
|
|
return null;
|
|
}
|
|
if (!File.Exists(ChangelogPy))
|
|
{
|
|
error = "Missing changelog generation script!";
|
|
return null;
|
|
}
|
|
if (!File.Exists(ChangelogHtml))
|
|
{
|
|
error = "Missing changelog html!";
|
|
return null;
|
|
}
|
|
if (!Directory.Exists(ChangelogDir))
|
|
{
|
|
error = "Missing auto changelog directory!";
|
|
return null;
|
|
}
|
|
|
|
var Config = Properties.Settings.Default;
|
|
|
|
var PythonFile = Config.PythonPath + "/python.exe";
|
|
if (!File.Exists(PythonFile))
|
|
{
|
|
error = "Cannot locate python 2.7!";
|
|
return null;
|
|
}
|
|
try
|
|
{
|
|
string result;
|
|
int exitCode;
|
|
using (var python = new Process())
|
|
{
|
|
python.StartInfo.FileName = PythonFile;
|
|
python.StartInfo.Arguments = String.Format("{0} {1} {2}", ChangelogPy, ChangelogHtml, ChangelogDir);
|
|
python.StartInfo.UseShellExecute = false;
|
|
python.StartInfo.RedirectStandardOutput = true;
|
|
python.Start();
|
|
using (StreamReader reader = python.StandardOutput)
|
|
{
|
|
result = reader.ReadToEnd();
|
|
|
|
}
|
|
python.WaitForExit();
|
|
exitCode = python.ExitCode;
|
|
}
|
|
if (exitCode != 0)
|
|
{
|
|
if (recurse)
|
|
{
|
|
error = "Script failed!";
|
|
return result;
|
|
}
|
|
//update pip deps and try again
|
|
|
|
string PipFile = Config.PythonPath + "/scripts/pip.exe";
|
|
bool runningBSoup = false;
|
|
while (true)
|
|
using (var pip = new Process())
|
|
{
|
|
pip.StartInfo.FileName = PipFile;
|
|
pip.StartInfo.Arguments = !runningBSoup ? "install PyYaml" : "install beautifulsoup4";
|
|
pip.StartInfo.UseShellExecute = false;
|
|
pip.StartInfo.RedirectStandardOutput = true;
|
|
pip.Start();
|
|
using (StreamReader reader = pip.StandardOutput)
|
|
{
|
|
result += "\r\n---BEGIN-PIP-OUTPUT---\r\n" + reader.ReadToEnd();
|
|
}
|
|
pip.WaitForExit();
|
|
if (pip.ExitCode != 0)
|
|
{
|
|
error = "Script and pip failed!";
|
|
return result;
|
|
}
|
|
|
|
if (runningBSoup)
|
|
break;
|
|
else
|
|
runningBSoup = true;
|
|
}
|
|
//and recurse
|
|
return GenerateChangelogImpl(out error, true);
|
|
}
|
|
error = null;
|
|
return result;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
error = e.ToString();
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
//public api
|
|
public bool SetPythonPath(string path)
|
|
{
|
|
if (!Directory.Exists(path))
|
|
return false;
|
|
Properties.Settings.Default.PythonPath = Path.GetFullPath(path);
|
|
return true;
|
|
}
|
|
|
|
public string PythonPath()
|
|
{
|
|
return Properties.Settings.Default.PythonPath;
|
|
}
|
|
}
|
|
}
|