1021 lines
35 KiB
C#
1021 lines
35 KiB
C#
// 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 Meebey.SmartIrc4net;
|
||
using Mono.Unix;
|
||
|
||
namespace SparkleLib {
|
||
|
||
public enum SyncStatus {
|
||
Idle,
|
||
SyncUp,
|
||
SyncDown,
|
||
Error
|
||
}
|
||
|
||
|
||
public class SparkleRepo {
|
||
|
||
private Timer remote_timer;
|
||
private Timer local_timer;
|
||
private FileSystemWatcher watcher;
|
||
private SparkleListenerBase listener;
|
||
private List <double> sizebuffer;
|
||
private bool has_changed = false;
|
||
private Object change_lock = new Object ();
|
||
|
||
protected SyncStatus status;
|
||
protected string revision;
|
||
protected bool is_buffering = false;
|
||
protected bool is_polling = true;
|
||
protected bool server_online = true;
|
||
|
||
public readonly SparkleBackend Backend;
|
||
|
||
public readonly string LocalPath;
|
||
public readonly string Name;
|
||
|
||
|
||
// TODO: make this a regexp
|
||
public string Url {
|
||
get {
|
||
SparkleGit git = new SparkleGit (LocalPath, "config --get remote.origin.url");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
string output = git.StandardOutput.ReadToEnd ();
|
||
return output.TrimEnd ();
|
||
}
|
||
}
|
||
|
||
// TODO: make this a regexp
|
||
public string Domain {
|
||
get {
|
||
string domain = Url.Substring (Url.IndexOf ("@") + 1);
|
||
|
||
if (domain.Contains (":"))
|
||
return domain = domain.Substring (0, domain.IndexOf (":"));
|
||
else
|
||
return domain = domain.Substring (0, domain.IndexOf ("/"));
|
||
}
|
||
}
|
||
|
||
public string RemoteName {
|
||
get {
|
||
return Path.GetFileNameWithoutExtension (Url);
|
||
}
|
||
}
|
||
|
||
public string Revision {
|
||
get {
|
||
return this.revision;
|
||
}
|
||
}
|
||
|
||
public bool IsBuffering {
|
||
get {
|
||
return this.is_buffering;
|
||
}
|
||
}
|
||
|
||
public bool IsPolling {
|
||
get {
|
||
return this.is_polling;
|
||
}
|
||
}
|
||
|
||
public bool HasUnsyncedChanges {
|
||
get {
|
||
string unsynced_file_path = SparkleHelpers.CombineMore (LocalPath,
|
||
".git", "has_unsynced_changes");
|
||
|
||
return File.Exists (unsynced_file_path);
|
||
}
|
||
|
||
set {
|
||
string unsynced_file_path = SparkleHelpers.CombineMore (LocalPath,
|
||
".git", "has_unsynced_changes");
|
||
|
||
if (value) {
|
||
if (!File.Exists (unsynced_file_path))
|
||
File.Create (unsynced_file_path);
|
||
} else {
|
||
File.Delete (unsynced_file_path);
|
||
}
|
||
}
|
||
}
|
||
|
||
public bool ServerOnline {
|
||
get {
|
||
return this.server_online;
|
||
}
|
||
}
|
||
|
||
public SyncStatus Status {
|
||
get {
|
||
return this.status;
|
||
}
|
||
}
|
||
|
||
public delegate void SyncStatusChangedEventHandler (SyncStatus new_status);
|
||
public event SyncStatusChangedEventHandler SyncStatusChanged;
|
||
|
||
|
||
public delegate void NewChangeSetEventHandler (SparkleChangeSet change_set, string source_path);
|
||
public delegate void ConflictResolvedEventHandler ();
|
||
public delegate void ChangesDetectedEventHandler ();
|
||
|
||
public event NewChangeSetEventHandler NewChangeSet;
|
||
public event ConflictResolvedEventHandler ConflictResolved;
|
||
public event ChangesDetectedEventHandler ChangesDetected;
|
||
|
||
public SparkleRepo (string path, SparkleBackend backend)
|
||
{
|
||
LocalPath = path;
|
||
Name = Path.GetFileName (LocalPath);
|
||
Backend = backend;
|
||
|
||
SyncStatusChanged += delegate (SyncStatus status) {
|
||
this.status = status;
|
||
};
|
||
|
||
if (IsEmpty)
|
||
this.revision = null;
|
||
else
|
||
this.revision = GetRevision ();
|
||
|
||
if (this.revision == null)
|
||
CreateInitialChangeSet ();
|
||
|
||
// Watch the repository's folder
|
||
this.watcher = new FileSystemWatcher (LocalPath) {
|
||
IncludeSubdirectories = true,
|
||
EnableRaisingEvents = true,
|
||
Filter = "*"
|
||
};
|
||
|
||
this.watcher.Changed += new FileSystemEventHandler (OnFileActivity);
|
||
this.watcher.Created += new FileSystemEventHandler (OnFileActivity);
|
||
this.watcher.Deleted += new FileSystemEventHandler (OnFileActivity);
|
||
this.watcher.Renamed += new RenamedEventHandler (OnFileActivity);
|
||
|
||
NotificationServerType server_type;
|
||
if (UsesNotificationCenter)
|
||
server_type = NotificationServerType.Central;
|
||
else
|
||
server_type = NotificationServerType.Own;
|
||
|
||
this.listener = new SparkleListenerIrc (Domain, Identifier, server_type);
|
||
|
||
// ...fetch remote changes every 60 seconds if that fails
|
||
this.remote_timer = new Timer () {
|
||
Interval = 60000
|
||
};
|
||
|
||
this.remote_timer.Elapsed += delegate {
|
||
if (this.is_polling) {
|
||
CheckForRemoteChanges ();
|
||
|
||
if (!this.listener.IsConnected)
|
||
this.listener.Connect ();
|
||
}
|
||
|
||
if (HasUnsyncedChanges)
|
||
FetchRebaseAndPush ();
|
||
};
|
||
|
||
// Stop polling when the connection to the irc channel is succesful
|
||
this.listener.Connected += delegate {
|
||
this.is_polling = false;
|
||
|
||
// Check for changes manually one more time
|
||
CheckForRemoteChanges ();
|
||
|
||
// Push changes that were made since the last disconnect
|
||
if (HasUnsyncedChanges)
|
||
Push ();
|
||
};
|
||
|
||
// Start polling when the connection to the irc channel is lost
|
||
this.listener.Disconnected += delegate {
|
||
SparkleHelpers.DebugInfo ("Local", "[" + Name + "] Falling back to polling");
|
||
this.is_polling = true;
|
||
};
|
||
|
||
// Fetch changes when there is a message in the irc channel
|
||
this.listener.RemoteChange += delegate (string change_id) {
|
||
if (!change_id.Equals (this.revision) && change_id.Length == 40) {
|
||
if (Status != SyncStatus.SyncUp &&
|
||
Status != SyncStatus.SyncDown &&
|
||
!this.is_buffering) {
|
||
|
||
while (this.listener.ChangesQueue > 0) {
|
||
Fetch ();
|
||
this.listener.DecrementChangesQueue ();
|
||
}
|
||
|
||
this.watcher.EnableRaisingEvents = false;
|
||
Rebase ();
|
||
this.watcher.EnableRaisingEvents = true;
|
||
}
|
||
}
|
||
};
|
||
|
||
// Start listening
|
||
this.listener.Connect ();
|
||
|
||
this.sizebuffer = new List <double> ();
|
||
|
||
// Keep a timer that checks if there are changes and
|
||
// whether they have settled
|
||
this.local_timer = new Timer () {
|
||
Interval = 250
|
||
};
|
||
|
||
this.local_timer.Elapsed += delegate (object o, ElapsedEventArgs args) {
|
||
CheckForChanges ();
|
||
};
|
||
|
||
this.remote_timer.Start ();
|
||
this.local_timer.Start ();
|
||
|
||
// Add everything that changed
|
||
// since SparkleShare was stopped
|
||
AddCommitAndPush ();
|
||
|
||
if (this.revision == null)
|
||
this.revision = GetRevision ();
|
||
}
|
||
|
||
|
||
public string Identifier {
|
||
get {
|
||
|
||
// Because git computes a hash based on content,
|
||
// author, and timestamp; it is unique enough to
|
||
// use the hash of the first commit as an identifier
|
||
// for our folder
|
||
SparkleGit git = new SparkleGit (LocalPath, "rev-list --reverse HEAD");
|
||
git.Start ();
|
||
|
||
// Reading the standard output HAS to go before
|
||
// WaitForExit, or it will hang forever on output > 4096 bytes
|
||
string output = git.StandardOutput.ReadToEnd ();
|
||
git.WaitForExit ();
|
||
|
||
return output.Substring (0, 40);
|
||
}
|
||
}
|
||
|
||
|
||
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_revision = git.StandardOutput.ReadToEnd ().TrimEnd ();
|
||
|
||
if (!remote_revision.StartsWith (this.revision)) {
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Remote changes found. (" + remote_revision + ")");
|
||
Fetch ();
|
||
|
||
this.watcher.EnableRaisingEvents = false;
|
||
Rebase ();
|
||
this.watcher.EnableRaisingEvents = true;
|
||
}
|
||
};
|
||
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
}
|
||
|
||
|
||
private void CheckForChanges ()
|
||
{
|
||
lock (this.change_lock) {
|
||
if (this.has_changed) {
|
||
if ( this.sizebuffer.Count >= 4)
|
||
this.sizebuffer.RemoveAt (0);
|
||
|
||
DirectoryInfo dir_info = new DirectoryInfo (LocalPath);
|
||
this.sizebuffer.Add (CalculateFolderSize (dir_info));
|
||
|
||
if ( this.sizebuffer [0].Equals (this.sizebuffer [1]) &&
|
||
this.sizebuffer [1].Equals (this.sizebuffer [2]) &&
|
||
this.sizebuffer [2].Equals (this.sizebuffer [3])) {
|
||
|
||
SparkleHelpers.DebugInfo ("Local", "[" + Name + "] Changes have settled.");
|
||
this.is_buffering = false;
|
||
this.has_changed = false;
|
||
|
||
while (AnyDifferences) {
|
||
this.watcher.EnableRaisingEvents = false;
|
||
AddCommitAndPush ();
|
||
this.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;
|
||
|
||
if (AnyDifferences) {
|
||
this.is_buffering = true;
|
||
|
||
// Only fire the event if the timer has been stopped.
|
||
// This prevents multiple events from being raised whilst "buffering".
|
||
if (!this.has_changed) {
|
||
if (ChangesDetected != null)
|
||
ChangesDetected ();
|
||
}
|
||
|
||
SparkleHelpers.DebugInfo ("Event", "[" + Name + "] " + wct.ToString () + " '" + fse_args.Name + "'");
|
||
SparkleHelpers.DebugInfo ("Local", "[" + Name + "] Changes found, checking if settled.");
|
||
|
||
this.remote_timer.Stop ();
|
||
|
||
lock (this.change_lock) {
|
||
this.has_changed = 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 {
|
||
this.local_timer.Stop ();
|
||
this.remote_timer.Stop ();
|
||
|
||
if (AnyDifferences) {
|
||
Add ();
|
||
|
||
string message = FormatCommitMessage ();
|
||
Commit (message);
|
||
|
||
Push ();
|
||
} else {
|
||
if (SyncStatusChanged != null)
|
||
SyncStatusChanged (SyncStatus.Idle); // TODO: in checklocalforchanges
|
||
}
|
||
} finally {
|
||
this.remote_timer.Start ();
|
||
this.local_timer.Start ();
|
||
}
|
||
}
|
||
|
||
|
||
public void FetchRebaseAndPush ()
|
||
{
|
||
CheckForRemoteChanges ();
|
||
Push ();
|
||
}
|
||
|
||
|
||
private bool AnyDifferences {
|
||
get {
|
||
SparkleGit git = new SparkleGit (LocalPath, "status --porcelain");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
string output = git.StandardOutput.ReadToEnd ().TrimEnd ();
|
||
string [] lines = output.Split ("\n".ToCharArray ());
|
||
|
||
foreach (string line in lines) {
|
||
if (line.Length > 1 && !line [1].Equals (" "))
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
}
|
||
|
||
|
||
private bool IsEmpty {
|
||
get {
|
||
SparkleGit git = new SparkleGit (LocalPath, "log -1");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
return (git.ExitCode != 0);
|
||
}
|
||
}
|
||
|
||
|
||
private string GetRevision ()
|
||
{
|
||
// Remove stale rebase-apply files because it
|
||
// makes the method return the wrong hashes.
|
||
string rebase_apply_file = SparkleHelpers.CombineMore (LocalPath, ".git", "rebase-apply");
|
||
if (File.Exists (rebase_apply_file))
|
||
File.Delete (rebase_apply_file);
|
||
|
||
SparkleGit git = new SparkleGit (LocalPath, "log -1 --format=%H");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
string output = git.StandardOutput.ReadToEnd ();
|
||
string revision = output.Trim ();
|
||
|
||
return revision;
|
||
}
|
||
|
||
|
||
// Stages the made changes
|
||
private void Add ()
|
||
{
|
||
SparkleGit git = new SparkleGit (LocalPath, "add --all");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes staged");
|
||
}
|
||
|
||
|
||
// Removes unneeded objects
|
||
private void CollectGarbage ()
|
||
{
|
||
SparkleGit git = new SparkleGit (LocalPath, "gc");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Garbage collected.");
|
||
}
|
||
|
||
|
||
// Commits the made changes
|
||
public void Commit (string message)
|
||
{
|
||
if (!AnyDifferences)
|
||
return;
|
||
|
||
SparkleGit git = new SparkleGit (LocalPath, "commit -m '" + message + "'");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
this.revision = GetRevision ();
|
||
SparkleHelpers.DebugInfo ("Commit", "[" + Name + "] " + message + " (" + this.revision + ")");
|
||
|
||
// Collect garbage pseudo-randomly
|
||
if (DateTime.Now.Second % 10 == 0)
|
||
CollectGarbage ();
|
||
}
|
||
|
||
|
||
// Fetches changes from the remote repository
|
||
public void Fetch ()
|
||
{
|
||
this.remote_timer.Stop ();
|
||
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Fetching changes");
|
||
SparkleGit git = new SparkleGit (LocalPath, "fetch -v origin master");
|
||
|
||
if (SyncStatusChanged != null)
|
||
SyncStatusChanged (SyncStatus.SyncDown);
|
||
|
||
git.Exited += delegate {
|
||
|
||
this.revision = GetRevision ();
|
||
|
||
if (git.ExitCode != 0) {
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes not fetched");
|
||
this.server_online = false;
|
||
|
||
if (SyncStatusChanged != null)
|
||
SyncStatusChanged (SyncStatus.Error);
|
||
} else {
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes fetched");
|
||
this.server_online = true;
|
||
|
||
if (SyncStatusChanged != null)
|
||
SyncStatusChanged (SyncStatus.Idle);
|
||
}
|
||
|
||
this.remote_timer.Start ();
|
||
};
|
||
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
}
|
||
|
||
|
||
// Merges the fetched changes
|
||
public void Rebase ()
|
||
{
|
||
if (AnyDifferences) {
|
||
Add ();
|
||
|
||
string commit_message = FormatCommitMessage ();
|
||
Commit (commit_message);
|
||
}
|
||
|
||
SparkleGit git = new SparkleGit (LocalPath, "rebase -v FETCH_HEAD");
|
||
|
||
git.Exited += delegate {
|
||
if (git.ExitCode != 0) {
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Conflict detected. Trying to get out...");
|
||
DisableWatching ();
|
||
|
||
while (AnyDifferences)
|
||
ResolveConflict ();
|
||
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Conflict resolved.");
|
||
EnableWatching ();
|
||
|
||
if (ConflictResolved != null)
|
||
ConflictResolved ();
|
||
|
||
Push ();
|
||
}
|
||
|
||
this.revision = GetRevision ();
|
||
};
|
||
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
this.revision = GetRevision ();
|
||
|
||
if (NewChangeSet != null)
|
||
NewChangeSet (GetChangeSets (1) [0], LocalPath);
|
||
}
|
||
|
||
|
||
private void ResolveConflict ()
|
||
{
|
||
// This is al list of conflict status codes that Git uses, their
|
||
// meaning, and how SparkleShare should handle them.
|
||
//
|
||
// DD unmerged, both deleted -> Do nothing
|
||
// AU unmerged, added by us -> Use theirs, save ours as a timestamped copy
|
||
// UD unmerged, deleted by them -> Use ours
|
||
// UA unmerged, added by them -> Use theirs, save ours as a timestamped copy
|
||
// DU unmerged, deleted by us -> Use theirs
|
||
// AA unmerged, both added -> Use theirs, save ours as a timestamped copy
|
||
// UU unmerged, both modified -> Use theirs, save ours as a timestamped copy
|
||
//
|
||
// Note that a rebase merge works by replaying each commit from the working branch on
|
||
// top of the upstream branch. Because of this, when a merge conflict happens the
|
||
// side reported as 'ours' is the so-far rebased series, starting with upstream,
|
||
// and 'theirs' is the working branch. In other words, the sides are swapped.
|
||
//
|
||
// So: 'ours' means the 'server's version' and 'theirs' means the 'local version'
|
||
|
||
SparkleGit git_status = new SparkleGit (LocalPath, "status --porcelain");
|
||
git_status.Start ();
|
||
git_status.WaitForExit ();
|
||
|
||
string output = git_status.StandardOutput.ReadToEnd ().TrimEnd ();
|
||
string [] lines = output.Split ("\n".ToCharArray ());
|
||
|
||
foreach (string line in lines) {
|
||
string conflicting_path = line.Substring (3);
|
||
conflicting_path = conflicting_path.Trim ("\"".ToCharArray ());
|
||
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Conflict type: " + line);
|
||
|
||
// Both the local and server version have been modified
|
||
if (line.StartsWith ("UU") || line.StartsWith ("AA") ||
|
||
line.StartsWith ("AU") || line.StartsWith ("UA")) {
|
||
|
||
// Recover local version
|
||
SparkleGit git_theirs = new SparkleGit (LocalPath,
|
||
"checkout --theirs \"" + conflicting_path + "\"");
|
||
git_theirs.Start ();
|
||
git_theirs.WaitForExit ();
|
||
|
||
// Append a timestamp to local version
|
||
string timestamp = DateTime.Now.ToString ("HH:mm MMM d");
|
||
string their_path = conflicting_path + " (" + GetConfigItem ("sparkleshare.user.name") + ", " + timestamp + ")";
|
||
string abs_conflicting_path = Path.Combine (LocalPath, conflicting_path);
|
||
string abs_their_path = Path.Combine (LocalPath, their_path);
|
||
|
||
File.Move (abs_conflicting_path, abs_their_path);
|
||
|
||
// Recover server version
|
||
SparkleGit git_ours = new SparkleGit (LocalPath,
|
||
"checkout --ours \"" + conflicting_path + "\"");
|
||
git_ours.Start ();
|
||
git_ours.WaitForExit ();
|
||
|
||
Add ();
|
||
|
||
SparkleGit git_rebase_continue = new SparkleGit (LocalPath, "rebase --continue");
|
||
git_rebase_continue.Start ();
|
||
git_rebase_continue.WaitForExit ();
|
||
}
|
||
|
||
// The local version has been modified, but the server version was removed
|
||
if (line.StartsWith ("DU")) {
|
||
|
||
// The modified local version is already in the
|
||
// checkout, so it just needs to be added.
|
||
//
|
||
// We need to specifically mention the file, so
|
||
// we can't reuse the Add () method
|
||
SparkleGit git_add = new SparkleGit (LocalPath,
|
||
"add " + conflicting_path);
|
||
git_add.Start ();
|
||
git_add.WaitForExit ();
|
||
|
||
SparkleGit git_rebase_continue = new SparkleGit (LocalPath, "rebase --continue");
|
||
git_rebase_continue.Start ();
|
||
git_rebase_continue.WaitForExit ();
|
||
}
|
||
|
||
// The server version has been modified, but the local version was removed
|
||
if (line.StartsWith ("UD")) {
|
||
|
||
// We can just skip here, the server version is
|
||
// already in the checkout
|
||
SparkleGit git_rebase_skip = new SparkleGit (LocalPath, "rebase --skip");
|
||
git_rebase_skip.Start ();
|
||
git_rebase_skip.WaitForExit ();
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
// Pushes the changes to the remote repo
|
||
public void Push ()
|
||
{
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Pushing changes");
|
||
SparkleGit git = new SparkleGit (LocalPath, "push origin master");
|
||
|
||
if (SyncStatusChanged != null)
|
||
SyncStatusChanged (SyncStatus.SyncUp);
|
||
|
||
git.Exited += delegate {
|
||
if (git.ExitCode != 0) {
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes not pushed");
|
||
|
||
HasUnsyncedChanges = true;
|
||
|
||
if (SyncStatusChanged != null)
|
||
SyncStatusChanged (SyncStatus.Error);
|
||
|
||
FetchRebaseAndPush ();
|
||
} else {
|
||
SparkleHelpers.DebugInfo ("Git", "[" + Name + "] Changes pushed");
|
||
|
||
HasUnsyncedChanges = false;
|
||
|
||
if (SyncStatusChanged != null)
|
||
SyncStatusChanged (SyncStatus.Idle);
|
||
|
||
this.listener.Announce (this.revision);
|
||
}
|
||
|
||
};
|
||
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
// TODO put exit events here instead of in a new Exited thread, for the oter methods too
|
||
}
|
||
|
||
|
||
public void DisableWatching ()
|
||
{
|
||
this.watcher.EnableRaisingEvents = false;
|
||
}
|
||
|
||
|
||
public void EnableWatching ()
|
||
{
|
||
this.watcher.EnableRaisingEvents = true;
|
||
}
|
||
|
||
|
||
// Gets the repository's description
|
||
private string GetDescription ()
|
||
{
|
||
string description_file_path = SparkleHelpers.CombineMore (LocalPath, ".git", "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;
|
||
}
|
||
|
||
|
||
private string GetUserName ()
|
||
{
|
||
SparkleGit git = new SparkleGit (LocalPath, "config --get user.name");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
string output = git.StandardOutput.ReadToEnd ();
|
||
string user_name = output.Trim ();
|
||
|
||
return user_name;
|
||
}
|
||
|
||
|
||
private string GetUserEmail ()
|
||
{
|
||
SparkleGit git = new SparkleGit (LocalPath, "config --get user.email");
|
||
git.Start ();
|
||
git.WaitForExit ();
|
||
|
||
string output = git.StandardOutput.ReadToEnd ();
|
||
string user_email = output.Trim ();
|
||
|
||
return user_email;
|
||
}
|
||
|
||
|
||
// 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 an initial change set when the
|
||
// user has fetched an empty remote folder
|
||
protected virtual void CreateInitialChangeSet ()
|
||
{
|
||
string file_path = Path.Combine (LocalPath, "SparkleShare.txt");
|
||
TextWriter writer = new StreamWriter (file_path);
|
||
writer.WriteLine (":)");
|
||
writer.Close ();
|
||
}
|
||
|
||
|
||
public string GetConfigItem (string name)
|
||
{
|
||
if (String.Compare (name, "sparkleshare.user.name", true) == 0)
|
||
return GetUserName ();
|
||
else if (String.Compare (name, "sparkleshare.user.email", true) == 0)
|
||
return GetUserEmail ();
|
||
else
|
||
return null;
|
||
}
|
||
|
||
|
||
// Returns a list of the latest change sets
|
||
// TODO: Method needs to be made a lot faster
|
||
public virtual List <SparkleChangeSet> GetChangeSets (int count)
|
||
{
|
||
if (count < 1)
|
||
count = 30;
|
||
|
||
List <SparkleChangeSet> change_sets = new List <SparkleChangeSet> ();
|
||
|
||
SparkleGit git_log = new SparkleGit (LocalPath, "log -" + count + " --raw -M --date=iso");
|
||
Console.OutputEncoding = System.Text.Encoding.Unicode;
|
||
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);
|
||
|
||
Regex merge_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" +
|
||
"*", RegexOptions.Compiled);
|
||
|
||
Regex non_merge_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" +
|
||
"*", RegexOptions.Compiled);
|
||
|
||
// 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 = merge_regex;
|
||
is_merge_commit = true;
|
||
} else {
|
||
regex = non_merge_regex;
|
||
}
|
||
|
||
Match match = regex.Match (log_entry);
|
||
|
||
if (match.Success) {
|
||
SparkleChangeSet change_set = new SparkleChangeSet ();
|
||
|
||
change_set.Revision = match.Groups [1].Value;
|
||
change_set.UserName = match.Groups [2].Value;
|
||
change_set.UserEmail = match.Groups [3].Value;
|
||
change_set.IsMerge = is_merge_commit;
|
||
|
||
change_set.Timestamp = 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);
|
||
string to_file_path;
|
||
|
||
if (change_type.Equals ("A")) {
|
||
change_set.Added.Add (file_path);
|
||
} else if (change_type.Equals ("M")) {
|
||
change_set.Edited.Add (file_path);
|
||
} else if (change_type.Equals ("D")) {
|
||
change_set.Deleted.Add (file_path);
|
||
} else if (change_type.Equals ("R")) {
|
||
int tab_pos = entry_line.LastIndexOf ("\t");
|
||
file_path = entry_line.Substring (42, tab_pos - 42);
|
||
to_file_path = entry_line.Substring (tab_pos + 1);
|
||
|
||
change_set.MovedFrom.Add (file_path);
|
||
change_set.MovedTo.Add (to_file_path);
|
||
}
|
||
}
|
||
}
|
||
|
||
change_sets.Add (change_set);
|
||
}
|
||
}
|
||
|
||
return change_sets;
|
||
}
|
||
|
||
|
||
// Creates a pretty commit message based on what has changed
|
||
private string FormatCommitMessage ()
|
||
{
|
||
List<string> Added = new List<string> ();
|
||
List<string> Modified = new List<string> ();
|
||
List<string> Removed = new List<string> ();
|
||
string file_name = "";
|
||
string message = "";
|
||
|
||
SparkleGit git_status = new SparkleGit (LocalPath, "status --porcelain");
|
||
git_status.Start ();
|
||
|
||
// Reading the standard output HAS to go before
|
||
// WaitForExit, or it will hang forever on output > 4096 bytes
|
||
string output = git_status.StandardOutput.ReadToEnd ().Trim ("\n".ToCharArray ());
|
||
git_status.WaitForExit ();
|
||
|
||
string [] lines = output.Split ("\n".ToCharArray ());
|
||
foreach (string line in lines) {
|
||
if (line.StartsWith ("A"))
|
||
Added.Add (line.Substring (3));
|
||
else if (line.StartsWith ("M"))
|
||
Modified.Add (line.Substring (3));
|
||
else if (line.StartsWith ("D"))
|
||
Removed.Add (line.Substring (3));
|
||
else if (line.StartsWith ("R")) {
|
||
Removed.Add (line.Substring (3, (line.IndexOf (" -> ") - 3)));
|
||
Added.Add (line.Substring (line.IndexOf (" -> ") + 4));
|
||
}
|
||
}
|
||
|
||
int count = 0;
|
||
int max_count = 20;
|
||
|
||
string n = Environment.NewLine;
|
||
|
||
foreach (string added in Added) {
|
||
file_name = added.Trim ("\"".ToCharArray ());
|
||
message += "+ ‘" + file_name + "’" + n;
|
||
|
||
count++;
|
||
if (count == max_count)
|
||
return message + "...";
|
||
}
|
||
|
||
foreach (string modified in Modified) {
|
||
file_name = modified.Trim ("\"".ToCharArray ());
|
||
message += "/ ‘" + file_name + "’" + n;
|
||
|
||
count++;
|
||
if (count == max_count)
|
||
return message + "...";
|
||
}
|
||
|
||
foreach (string removed in Removed) {
|
||
file_name = removed.Trim ("\"".ToCharArray ());
|
||
message += "- ‘" + file_name + "’" + n;
|
||
|
||
count++;
|
||
if (count == max_count)
|
||
return message + "..." + n;
|
||
}
|
||
|
||
return message;
|
||
}
|
||
|
||
|
||
public static bool IsRepo (string path)
|
||
{
|
||
return System.IO.Directory.Exists (Path.Combine (path, ".git"));
|
||
}
|
||
|
||
|
||
public bool UsesNotificationCenter
|
||
{
|
||
get {
|
||
string file_path = SparkleHelpers.CombineMore (LocalPath, ".git", "disable_notification_center");
|
||
return !File.Exists (file_path);
|
||
}
|
||
}
|
||
|
||
|
||
// Disposes all resourses of this object
|
||
public void Dispose ()
|
||
{
|
||
this.remote_timer.Dispose ();
|
||
this.local_timer.Dispose ();
|
||
this.listener.Dispose ();
|
||
}
|
||
}
|
||
}
|