SparkleShare/SparkleLib/SparkleRepo.cs
2011-03-20 16:26:56 +00:00

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// SparkleShare, an instant update workflow to Git.
// Copyright (C) 2010 Hylke Bons <hylkebons@gmail.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text.RegularExpressions;
using System.Timers;
using GitSharp;
using GitSharp.Commands;
using GitSharp.Core.Transport;
using Meebey.SmartIrc4net;
using Mono.Unix;
namespace SparkleLib {
public class SparkleRepo : Repository {
private Timer RemoteTimer;
private Timer LocalTimer;
private FileSystemWatcher Watcher;
private System.Object ChangeLock;
private int FetchRequests;
private SparkleListener Listener;
private bool HasChanged;
private List <double> SizeBuffer;
/// <summary>
/// The folder name the repository resides in locally
/// </summary>
public readonly string Name;
/// <summary>
/// The folder name the repository resides in remotely
/// </summary>
public readonly string RemoteName;
/// <summary>
/// The domain the remote repository is on
/// </summary>
public readonly string Domain;
/// <summary>
/// The repository's description
/// </summary>
public readonly string Description;
/// <summary>
/// The path where the repository resides locally
/// </summary>
public readonly string LocalPath;
/// <summary>
/// The raw url used to sync with.
/// </summary>
public readonly string RemoteOriginUrl;
private string _CurrentHash;
private bool _IsSyncing;
private bool _IsBuffering;
private bool _IsPolling;
private bool _IsFetching;
private bool _IsPushing;
private bool _HasUnsyncedChanges;
private bool _ServerOnline;
/// <summary>
/// The hash of the last commit done in the repository
/// </summary>
public string CurrentHash {
get {
return _CurrentHash;
}
}
/// <summary>
/// The name of the user
/// </summary>
public readonly string UserName;
/// <summary>
/// The name of the user
/// </summary>
public readonly string UserEmail;
/// <summary>
/// Indicates whether the repository is currently waiting for local changes to settle
/// </summary>
public bool IsBuffering {
get {
return _IsBuffering;
}
}
/// <summary>
/// Indicates whether the repository is currently pushing changes
/// </summary>
public bool IsPushing {
get {
return _IsPushing;
}
}
/// <summary>
/// Indicates whether the repository has fallen back to polling the remote repository,
/// instead of receiving instant notifications
/// </summary>
public bool IsPolling {
get {
return _IsPolling;
}
}
/// <summary>
/// Indicates whether the repository is currently fetching and/or pushing changes
/// </summary>
public bool IsSyncing {
get {
return _IsSyncing;
}
}
/// <summary>
/// Indicates whether the repository is currently fetching remote changes
/// </summary>
public bool IsFetching {
get {
return _IsFetching;
}
}
/// <summary>
/// Indicates whether the repository has local changes that aren't pushed remotely yet
/// </summary>
public bool HasUnsyncedChanges {
get {
return _HasUnsyncedChanges;
}
}
/// <summary>
/// Indicates whether the remote repository is online,
/// this is based on the result of the Fetch method
/// </summary>
public bool ServerOnline {
get {
return _ServerOnline;
}
}
/// <event cref="Added">
/// Raised when local files have been added to the repository's staging area
/// </event>
public delegate void AddedEventHandler (object o, SparkleEventArgs args);
/// <event cref="Commited">
/// Raised when local files have been added to the repository's index
/// </event>
public delegate void CommitedEventHandler (object o, SparkleEventArgs args);
/// <event cref="PushingStarted">
/// Raised when the repository has started pushing changes
/// </event>
public delegate void PushingStartedEventHandler (object o, SparkleEventArgs args);
/// <event cref="PushingFinished">
/// Raised when the repository has finished pushing changes
/// </event>
public delegate void PushingFinishedEventHandler (object o, SparkleEventArgs args);
/// <event cref="PushingFailed">
/// Raised when pushing changes has failed
/// </event>
public delegate void PushingFailedEventHandler (object o, SparkleEventArgs args);
/// <event cref="FetchingStarted">
/// Raised when when the repository has started fetching remote changes
/// </event>
public delegate void FetchingStartedEventHandler (object o, SparkleEventArgs args);
/// <event cref="FetchingFinished">
/// Raised when when the repository has finished fetching remote changes
/// </event>
public delegate void FetchingFinishedEventHandler (object o, SparkleEventArgs args);
/// <event cref="FetchingFailed">
/// Raised when when fetching from the remote repository has failed
/// </event>
public delegate void FetchingFailedEventHandler (object o, SparkleEventArgs args);
/// <event cref="NewCommit">
/// Raised when the repository has received one or multiple new remote commits
/// </event>
public delegate void NewCommitEventHandler (SparkleCommit commit, string repository_path);
/// <event cref="ConflictDetected">
/// Raised when the newly fetched commits are conflicting with local changes
/// </event>
public delegate void ConflictDetectedEventHandler (object o, SparkleEventArgs args);
/// <event cref="ChangesDetected">
/// Raised when local files have changed in the repository's folder
/// </event>
public delegate void ChangesDetectedEventHandler (object o, SparkleEventArgs args);
/// <event cref="CommitEndedUpEmpty">
/// Raised when there were changes made to local files, but the net result after changes have settled
/// ended up the same as before the changes were made.
/// </event>
public delegate void CommitEndedUpEmptyEventHandler (object o, SparkleEventArgs args);
public event AddedEventHandler Added;
public event CommitedEventHandler Commited;
public event PushingStartedEventHandler PushingStarted;
public event PushingFinishedEventHandler PushingFinished;
public event PushingFailedEventHandler PushingFailed;
public event FetchingStartedEventHandler FetchingStarted;
public event FetchingFinishedEventHandler FetchingFinished;
public event FetchingFailedEventHandler FetchingFailed;
public event NewCommitEventHandler NewCommit;
public event ConflictDetectedEventHandler ConflictDetected;
public event ChangesDetectedEventHandler ChangesDetected;
public event CommitEndedUpEmptyEventHandler CommitEndedUpEmpty;
public SparkleRepo (string path) : base (path)
{
LocalPath = path;
Name = Path.GetFileName (LocalPath);
RemoteOriginUrl = Config ["remote.origin.url"];
RemoteName = Path.GetFileNameWithoutExtension (RemoteOriginUrl);
Domain = GetDomain (RemoteOriginUrl);
Description = GetDescription ();
UserName = Config ["user.name"];
UserEmail = Config ["user.email"];
if (Head.CurrentCommit == null)
_CurrentHash = null;
else
_CurrentHash = Head.CurrentCommit.Hash;
_IsSyncing = false;
_IsBuffering = false;
_IsPolling = true;
_IsFetching = false;
_IsPushing = false;
_ServerOnline = true;
HasChanged = false;
ChangeLock = new Object ();
FetchRequests = 0;
string unsynced_file_path = SparkleHelpers.CombineMore (LocalPath ,
".git", "has_unsynced_changes");
if (File.Exists (unsynced_file_path))
_HasUnsyncedChanges = true;
else
_HasUnsyncedChanges = false;
if (_CurrentHash == null)
CreateInitialCommit ();
// Watch the repository's folder
Watcher = new FileSystemWatcher (LocalPath) {
IncludeSubdirectories = true,
EnableRaisingEvents = true,
Filter = "*"
};
Watcher.Changed += new FileSystemEventHandler (OnFileActivity);
Watcher.Created += new FileSystemEventHandler (OnFileActivity);
Watcher.Deleted += new FileSystemEventHandler (OnFileActivity);
Watcher.Renamed += new RenamedEventHandler (OnFileActivity);
// Listen to the irc channel on the server...
Listener = new SparkleListener (Domain, RemoteName, UserEmail);
// ...fetch remote changes every 60 seconds if that fails
RemoteTimer = new Timer () {
Interval = 60000
};
RemoteTimer.Elapsed += delegate {
if (_IsPolling) {
CheckForRemoteChanges ();
if (!Listener.Client.IsConnected) {
SparkleHelpers.DebugInfo ("Irc", "[" + Name + "] Trying to reconnect...");
Listener.Listen ();
}
}
if (_HasUnsyncedChanges)
Push ();
};
// Stop polling when the connection to the irc channel is succesful
Listener.Client.OnConnected += delegate {
_IsPolling = false;
// Check for changes manually one more time
CheckForRemoteChanges ();
// Push changes that were made since the last disconnect
if (_HasUnsyncedChanges)
Push ();
SparkleHelpers.DebugInfo ("Irc", "[" + Name + "] Connected. Now listening... (" + Listener.Server + ")");
};
// Start polling when the connection to the irc channel is lost
Listener.Client.OnConnectionError += delegate {
SparkleHelpers.DebugInfo ("Irc", "[" + Name + "] Lost connection. Falling back to polling...");
_IsPolling = true;
};
// Start polling when the connection to the irc channel is lost
Listener.Client.OnDisconnected += delegate {
SparkleHelpers.DebugInfo ("Irc", "[" + Name + "] Lost connection. Falling back to polling...");
_IsPolling = true;
};
// Fetch changes when there is a message in the irc channel
Listener.Client.OnChannelMessage += delegate (object o, IrcEventArgs args) {
SparkleHelpers.DebugInfo ("Irc", "[" + Name + "] Was notified of a remote change.");
string message = args.Data.Message.Trim ();
if (!message.Equals (_CurrentHash) && message.Length == 40) {
FetchRequests++;
if (!_IsFetching) {
while (FetchRequests > 0) {
Fetch ();
FetchRequests--;
}
Watcher.EnableRaisingEvents = false;
Rebase ();
Watcher.EnableRaisingEvents = true;
}
} else {
// Not really needed as we won't be notified about our own messages
SparkleHelpers.DebugInfo ("Irc",
"[" + Name + "] False alarm, already up to date. (" + _CurrentHash + ")");
}
};
// Start listening
Listener.Listen ();
SizeBuffer = new List <double> ();
// Keep a timer that checks if there are changes and
// whether they have settled
LocalTimer = new Timer () {
Interval = 250
};
LocalTimer.Elapsed += delegate (object o, ElapsedEventArgs args) {
CheckForChanges ();
};
RemoteTimer.Start ();
LocalTimer.Start ();
// Add everything that changed
// since SparkleShare was stopped
AddCommitAndPush ();
if (_CurrentHash == null)
_CurrentHash = Head.CurrentCommit.Hash;
}
private void CheckForRemoteChanges ()
{
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Checking for remote changes...");
SparkleGit git = new SparkleGit (LocalPath, "ls-remote origin master");
git.Exited += delegate {
if (git.ExitCode != 0)
return;
string remote_hash = git.StandardOutput.ReadToEnd ();
if (!remote_hash.StartsWith (_CurrentHash)) {
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Remote changes found.");
Fetch ();
Watcher.EnableRaisingEvents = false;
Rebase ();
Watcher.EnableRaisingEvents = true;
}
};
git.Start ();
git.WaitForExit ();
}
private void CheckForChanges ()
{
lock (ChangeLock) {
if (HasChanged) {
if (SizeBuffer.Count >= 4)
SizeBuffer.RemoveAt (0);
DirectoryInfo dir_info = new DirectoryInfo (LocalPath);
SizeBuffer.Add (CalculateFolderSize (dir_info));
if (SizeBuffer [0].Equals (SizeBuffer [1]) &&
SizeBuffer [1].Equals (SizeBuffer [2]) &&
SizeBuffer [2].Equals (SizeBuffer [3])) {
SparkleHelpers.DebugInfo ("Local", "[" + Name + "] Changes have settled.");
_IsBuffering = false;
HasChanged = false;
while (AnyDifferences) {
Watcher.EnableRaisingEvents = false;
AddCommitAndPush ();
Watcher.EnableRaisingEvents = true;
}
}
}
}
}
// Starts a timer when something changes
private void OnFileActivity (object o, FileSystemEventArgs fse_args)
{
if (fse_args.Name.StartsWith (".git/"))
return;
WatcherChangeTypes wct = fse_args.ChangeType;
int number_of_changes = Status.Untracked.Count +
Status.Missing.Count +
Status.Modified.Count;
if (number_of_changes > 0) {
_IsBuffering = true;
// Only fire the event if the timer has been stopped.
// This prevents multiple events from being raised whilst "buffering".
if (!HasChanged) {
SparkleEventArgs args = new SparkleEventArgs ("ChangesDetected");
if (ChangesDetected != null)
ChangesDetected (this, args);
}
SparkleHelpers.DebugInfo ("Event", "[" + Name + "] " + wct.ToString () + " '" + fse_args.Name + "'");
SparkleHelpers.DebugInfo ("Local", "[" + Name + "] Changes found, checking if settled.");
RemoteTimer.Stop ();
lock (ChangeLock) {
HasChanged = true;
}
}
}
// When there are changes we generally want to Add, Commit and Push,
// so this method does them all with appropriate timers, etc. switched off
public void AddCommitAndPush ()
{
try {
LocalTimer.Stop ();
RemoteTimer.Stop ();
if (AnyDifferences) {
Add ();
string message = FormatCommitMessage ();
Commit (message);
Push ();
} else {
SparkleEventArgs args = new SparkleEventArgs ("CommitEndedUpEmpty");
if (CommitEndedUpEmpty != null)
CommitEndedUpEmpty (this, args);
}
} finally {
RemoteTimer.Start ();
LocalTimer.Start ();
}
}
public bool AnyDifferences {
get {
SparkleGit git = new SparkleGit (LocalPath, "status --porcelain");
git.Start ();
git.WaitForExit ();
string output = git.StandardOutput.ReadToEnd ().Trim ();
if (output.Length > 0)
return true;
else
return false;
}
}
// Stages the made changes
private void Add ()
{
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Staging changes...");
// FIXME: this GitSharp method seems to block...
// Index.AddAll ();
SparkleGit git = new SparkleGit (LocalPath, "add --all");
git.Start ();
git.WaitForExit ();
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes staged.");
SparkleEventArgs args = new SparkleEventArgs ("Added");
if (Added != null)
Added (this, args);
}
// Removes unneeded objects
private void CollectGarbage ()
{
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Collecting garbage...");
SparkleGit git = new SparkleGit (LocalPath, "gc");
git.Start ();
git.WaitForExit ();
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Garbage collected..");
}
// Commits the made changes
new public void Commit (string message)
{
if (!AnyDifferences)
return;
base.Commit (message);
_CurrentHash = Head.CurrentCommit.Hash;
SparkleHelpers.DebugInfo ("Commit", "[" + Name + "] " + message + " (" + _CurrentHash);
SparkleEventArgs args = new SparkleEventArgs ("Commited") {
Message = message
};
if (Commited != null)
Commited (this, args);
// Collect garbage pseudo-randomly
if (DateTime.Now.Second % 10 == 0)
CollectGarbage ();
}
// Fetches changes from the remote repository
public void Fetch ()
{
_IsSyncing = true;
_IsFetching = true;
RemoteTimer.Stop ();
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Fetching changes...");
SparkleGit git = new SparkleGit (LocalPath, "fetch -v origin master");
SparkleEventArgs args;
args = new SparkleEventArgs ("FetchingStarted");
if (FetchingStarted != null)
FetchingStarted (this, args);
git.Exited += delegate {
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes fetched.");
_IsSyncing = false;
_IsFetching = false;
_CurrentHash = Head.CurrentCommit.Hash;
if (git.ExitCode != 0) {
_ServerOnline = false;
args = new SparkleEventArgs ("FetchingFailed");
if (FetchingFailed != null)
FetchingFailed (this, args);
} else {
_ServerOnline = true;
args = new SparkleEventArgs ("FetchingFinished");
if (FetchingFinished != null)
FetchingFinished (this, args);
}
RemoteTimer.Start ();
};
git.Start ();
git.WaitForExit ();
}
// Merges the fetched changes
public void Rebase ()
{
if (AnyDifferences) {
Add ();
string commit_message = FormatCommitMessage ();
Commit (commit_message);
}
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Rebasing changes...");
SparkleGit git = new SparkleGit (LocalPath, "rebase -v FETCH_HEAD");
git.Exited += delegate {
if (Status.MergeConflict.Count > 0) {
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Conflict detected...");
foreach (string problem_file_name in Status.MergeConflict) {
SparkleGit git_ours = new SparkleGit (LocalPath,
"checkout --ours " + problem_file_name);
git_ours.Start ();
git_ours.WaitForExit ();
string timestamp = DateTime.Now.ToString ("H:mm d MMM");
string new_file_name = problem_file_name + " (" + UserName + ", " + timestamp + ")";
File.Move (problem_file_name, new_file_name);
SparkleGit git_theirs = new SparkleGit (LocalPath,
"checkout --theirs " + problem_file_name);
git_theirs.Start ();
git_theirs.WaitForExit ();
SparkleEventArgs args = new SparkleEventArgs ("ConflictDetected");
if (ConflictDetected != null)
ConflictDetected (this, args);
}
Add ();
SparkleGit git_continue = new SparkleGit (LocalPath, "rebase --continue");
git_continue.Start ();
git_continue.WaitForExit ();
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Conflict resolved.");
Push ();
}
};
git.Start ();
git.WaitForExit ();
_CurrentHash = Head.CurrentCommit.Hash;
if (NewCommit != null)
NewCommit (GetCommits (1) [0], LocalPath);
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes rebased.");
}
// Pushes the changes to the remote repo
public void Push ()
{
_IsSyncing = true;
_IsPushing = true;
SparkleGit git = new SparkleGit (LocalPath, "push origin master");
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Pushing changes...");
SparkleEventArgs args = new SparkleEventArgs ("PushingStarted");
if (PushingStarted != null)
PushingStarted (this, args);
git.Exited += delegate {
_IsSyncing = false;
_IsPushing = false;
if (git.ExitCode != 0) {
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Pushing failed.");
string unsynced_file_path = SparkleHelpers.CombineMore (LocalPath ,
".git", "has_unsynced_changes");
if (!File.Exists (unsynced_file_path))
File.Create (unsynced_file_path);
_HasUnsyncedChanges = true;
args = new SparkleEventArgs ("PushingFailed");
if (PushingFailed != null)
PushingFailed (this, args);
CheckForRemoteChanges ();
Push ();
} else {
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes pushed.");
args = new SparkleEventArgs ("PushingFinished");
string unsynced_file_path = SparkleHelpers.CombineMore (LocalPath ,
".git", "has_unsynced_changes");
if (File.Exists (unsynced_file_path))
File.Delete (unsynced_file_path);
_HasUnsyncedChanges = false;
if (PushingFinished != null)
PushingFinished (this, args);
if (!_IsPolling)
Listener.Announce (_CurrentHash);
}
};
git.Start ();
git.WaitForExit ();
}
// Gets the domain name of a given URL
private string GetDomain (string url)
{
if (url.Equals (""))
return null;
string domain = url.Substring (url.IndexOf ("@") + 1);
if (domain.Contains (":"))
domain = domain.Substring (0, domain.IndexOf (":"));
else
domain = domain.Substring (0, domain.IndexOf ("/"));
return domain;
}
// Gets the repository's description
private string GetDescription ()
{
string description_file_path = SparkleHelpers.CombineMore (Directory, "description");
if (!File.Exists (description_file_path))
return null;
StreamReader reader = new StreamReader (description_file_path);
string description = reader.ReadToEnd ();
reader.Close ();
if (description.StartsWith ("Unnamed"))
description = null;
return description;
}
// Recursively gets a folder's size in bytes
private double CalculateFolderSize (DirectoryInfo parent)
{
if (!System.IO.Directory.Exists (parent.ToString ()))
return 0;
double size = 0;
// Ignore the temporary 'rebase-apply' directory. This prevents potential
// crashes when files are being queried whilst the files have already been deleted.
if (parent.Name.Equals ("rebase-apply"))
return 0;
foreach (FileInfo file in parent.GetFiles()) {
if (!file.Exists)
return 0;
size += file.Length;
}
foreach (DirectoryInfo directory in parent.GetDirectories())
size += CalculateFolderSize (directory);
return size;
}
// Create a first commit in case the user has cloned
// an empty repository
private void CreateInitialCommit ()
{
TextWriter writer = new StreamWriter (Path.Combine (LocalPath, "SparkleShare.txt"));
writer.WriteLine (":)");
writer.Close ();
}
// Returns a list of latest commits
// TODO: Method needs to be made a lot faster
public List <SparkleCommit> GetCommits (int count)
{
if (count < 1)
count = 30;
List <SparkleCommit> commits = new List <SparkleCommit> ();
SparkleGit git_log = new SparkleGit (LocalPath, "log -" + count + " --raw --date=iso");
git_log.Start ();
// Reading the standard output HAS to go before
// WaitForExit, or it will hang forever on output > 4096 bytes
string output = git_log.StandardOutput.ReadToEnd ();
git_log.WaitForExit ();
string [] lines = output.Split ("\n".ToCharArray ());
List <string> entries = new List <string> ();
int j = 0;
string entry = "", last_entry = "";
foreach (string line in lines) {
if (line.StartsWith ("commit") && j > 0) {
entries.Add (entry);
entry = "";
}
entry += line + "\n";
j++;
last_entry = entry;
}
entries.Add (last_entry);
// TODO: Need to optimise for speed
foreach (string log_entry in entries) {
Regex regex;
bool is_merge_commit = false;
if (log_entry.Contains ("\nMerge: ")) {
regex = new Regex (@"commit ([a-z0-9]{40})\n" +
"Merge: .+ .+\n" +
"Author: (.+) <(.+)>\n" +
"Date: ([0-9]{4})-([0-9]{2})-([0-9]{2}) " +
"([0-9]{2}):([0-9]{2}):([0-9]{2}) \\+([0-9]{4})\n" +
"*");
is_merge_commit = true;
} else {
regex = new Regex (@"commit ([a-z0-9]{40})\n" +
"Author: (.+) <(.+)>\n" +
"Date: ([0-9]{4})-([0-9]{2})-([0-9]{2}) " +
"([0-9]{2}):([0-9]{2}):([0-9]{2}) \\+([0-9]{4})\n" +
"*");
}
Match match = regex.Match (log_entry);
if (match.Success) {
SparkleCommit commit = new SparkleCommit ();
commit.Hash = match.Groups [1].Value;
commit.UserName = match.Groups [2].Value;
commit.UserEmail = match.Groups [3].Value;
commit.IsMerge = is_merge_commit;
commit.DateTime = new DateTime (int.Parse (match.Groups [4].Value),
int.Parse (match.Groups [5].Value), int.Parse (match.Groups [6].Value),
int.Parse (match.Groups [7].Value), int.Parse (match.Groups [8].Value),
int.Parse (match.Groups [9].Value));
string [] entry_lines = log_entry.Split ("\n".ToCharArray ());
foreach (string entry_line in entry_lines) {
if (entry_line.StartsWith (":")) {
string change_type = entry_line [37].ToString ();
string file_path = entry_line.Substring (39);
if (change_type.Equals ("A")) {
commit.Added.Add (file_path);
} else if (change_type.Equals ("M")) {
commit.Edited.Add (file_path);
} else if (change_type.Equals ("D")) {
commit.Deleted.Add (file_path);
}
}
}
commits.Add (commit);
}
}
return commits;
}
// Creates a pretty commit message based on what has changed
private string FormatCommitMessage ()
{
// RepositoryStatus contains the following properties (all HashSet <string>)
//
// * Added ---> added and staged
// * MergeConflict --->
// * Missing ---> removed but not staged
// * Modified ---> modified but not staged
// * Removed ---> removed and staged
// * Staged ---> modified and staged
// * Untracked ---> added but not staged
//
// Because we create the commit message, we only need to consider the staged changes
RepositoryStatus status = Index.Status;
string file_name = "";
string message = null;
if (status.Added.Count > 0) {
foreach (string added in status.Added) {
file_name = added;
break;
}
message = "+ " + file_name + "";
}
if (status.Staged.Count > 0) {
foreach (string modified in status.Staged) {
file_name = modified;
break;
}
message = "/ " + file_name + "";
}
if (status.Removed.Count > 0) {
foreach (string removed in status.Removed) {
file_name = removed;
break;
}
message = "- " + file_name + "";
}
int changes_count = (status.Added.Count +
status.Staged.Count +
status.Removed.Count);
if (changes_count > 1)
message += " + " + (changes_count - 1);
return message;
}
public static bool IsRepo (string path) {
return System.IO.Directory.Exists (Path.Combine (path, ".git"));
}
// Disposes all resourses of this object
new public void Dispose ()
{
RemoteTimer.Dispose ();
LocalTimer.Dispose ();
Listener.Dispose ();
base.Dispose ();
}
}
}