359 lines
12 KiB
C#
Executable file
359 lines
12 KiB
C#
Executable file
// SparkleShare, a collaboration and sharing tool.
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// Copyright (C) 2010 Hylke Bons <hylkebons@gmail.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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using System.IO;
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using System.Diagnostics;
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using System.Text.RegularExpressions;
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using System.Threading;
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using SparkleLib;
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namespace SparkleLib.Git {
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// Sets up a fetcher that can get remote folders
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public class SparkleFetcher : SparkleFetcherBase {
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private SparkleGit git;
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public SparkleFetcher (string server, string required_fingerprint, string remote_path,
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string target_folder, bool fetch_prior_history) : base (server, required_fingerprint, remote_path,
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target_folder, fetch_prior_history)
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{
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Uri uri = RemoteUrl;
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if (!uri.Scheme.Equals ("ssh") &&
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!uri.Scheme.Equals ("https") &&
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!uri.Scheme.Equals ("http") &&
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!uri.Scheme.Equals ("git")) {
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uri = new Uri ("ssh://" + uri);
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}
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if (uri.Host.Equals ("gitorious.org")) {
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if (!uri.AbsolutePath.Equals ("/") &&
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!uri.AbsolutePath.EndsWith (".git")) {
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uri = new Uri ("ssh://git@gitorious.org" + uri.AbsolutePath + ".git");
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} else {
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uri = new Uri ("ssh://git@gitorious.org" + uri.AbsolutePath);
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}
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} else if (uri.Host.Equals ("github.com")) {
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uri = new Uri ("ssh://git@github.com" + uri.AbsolutePath);
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} else if (uri.Host.Equals ("gnome.org")) {
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uri = new Uri ("ssh://git@gnome.org/git" + uri.AbsolutePath);
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} else {
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if (string.IsNullOrEmpty (uri.UserInfo) &&
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!uri.Scheme.Equals ("https") &&
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!uri.Scheme.Equals ("http")) {
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if (uri.Port == -1) {
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uri = new Uri (uri.Scheme + "://git@" + uri.Host + uri.AbsolutePath);
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} else {
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uri = new Uri (uri.Scheme + "://git@" + uri.Host + ":" + uri.Port + uri.AbsolutePath);
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}
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}
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}
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TargetFolder = target_folder;
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RemoteUrl = uri;
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}
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public override bool Fetch ()
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{
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if (FetchPriorHistory) {
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this.git = new SparkleGit (SparkleConfig.DefaultConfig.TmpPath,
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"clone " +
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"--progress " +
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"--depth=1 " +
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"\"" + RemoteUrl + "\" \"" + TargetFolder + "\"");
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} else {
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this.git = new SparkleGit (SparkleConfig.DefaultConfig.TmpPath,
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"clone " +
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"--progress " +
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"\"" + RemoteUrl + "\" \"" + TargetFolder + "\"");
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}
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this.git.StartInfo.RedirectStandardError = true;
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this.git.Start ();
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double percentage = 1.0;
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Regex progress_regex = new Regex (@"([0-9]+)%", RegexOptions.Compiled);
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DateTime last_change = DateTime.Now;
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TimeSpan change_interval = new TimeSpan (0, 0, 0, 1);
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while (!this.git.StandardError.EndOfStream) {
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string line = this.git.StandardError.ReadLine ();
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Match match = progress_regex.Match (line);
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double number = 0.0;
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if (match.Success) {
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number = double.Parse (match.Groups [1].Value);
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// The cloning progress consists of two stages: the "Compressing
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// objects" stage which we count as 20% of the total progress, and
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// the "Receiving objects" stage which we count as the last 80%
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if (line.Contains ("|"))
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// "Receiving objects" stage
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number = (number / 100 * 80 + 20);
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else
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// "Compressing objects" stage
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number = (number / 100 * 20);
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} else {
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SparkleHelpers.DebugInfo ("Fetcher", line);
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}
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if (number >= percentage) {
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percentage = number;
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if (DateTime.Compare (last_change, DateTime.Now.Subtract (change_interval)) < 0) {
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base.OnProgressChanged (percentage);
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last_change = DateTime.Now;
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}
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}
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}
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this.git.WaitForExit ();
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SparkleHelpers.DebugInfo ("Git", "Exit code: " + this.git.ExitCode);
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if (this.git.ExitCode == 0) {
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while (percentage < 100) {
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percentage += 25;
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if (percentage >= 100)
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break;
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Thread.Sleep (500);
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base.OnProgressChanged (percentage);
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}
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base.OnProgressChanged (100);
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InstallConfiguration ();
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InstallExcludeRules ();
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AddWarnings ();
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return true;
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} else {
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return false;
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}
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}
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private void AddWarnings ()
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{
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SparkleGit git = new SparkleGit (SparkleConfig.DefaultConfig.TmpPath,
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"config --global core.excludesfile");
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git.Start ();
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// Reading the standard output HAS to go before
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// WaitForExit, or it will hang forever on output > 4096 bytes
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string output = git.StandardOutput.ReadToEnd ().Trim ();
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git.WaitForExit ();
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if (string.IsNullOrEmpty (output))
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return;
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else
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Warnings.Add ("You seem to have a system wide ‘gitignore’ file, this may affect SparkleShare files.");
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}
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public override void Stop ()
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{
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try {
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this.git.Close ();
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this.git.Kill ();
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this.git.Dispose ();
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} catch (Exception e) {
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SparkleHelpers.DebugInfo ("Fetcher", "Failed to dispose properly: " + e.Message);
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}
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base.Dispose ();
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}
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new public void Dispose ()
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{
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Stop ();
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}
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// Install the user's name and email and some config into
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// the newly cloned repository
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private void InstallConfiguration ()
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{
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string repo_config_file_path = SparkleHelpers.CombineMore (TargetFolder, ".git", "config");
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string config = String.Join (Environment.NewLine, File.ReadAllLines (repo_config_file_path));
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string n = Environment.NewLine;
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config = config.Replace ("[core]" + n,
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"[core]" + n + "\tquotepath = false" + n + // Show special characters in the logs
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"\tpackedGitLimit = 128m" + n +
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"\tpackedGitWindowSize = 128m" + n);
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config = config.Replace ("[remote \"origin\"]" + n,
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"[pack]" + n +
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"\tdeltaCacheSize = 128m" + n +
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"\tpackSizeLimit = 128m" + n +
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"\twindowMemory = 128m" + n +
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"[remote \"origin\"]" + n);
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// Be case sensitive explicitly to work on Mac
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config = config.Replace ("ignorecase = true", "ignorecase = false");
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// Ignore permission changes
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config = config.Replace ("filemode = true", "filemode = false");
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// Write the config to the file
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TextWriter writer = new StreamWriter (repo_config_file_path);
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writer.WriteLine (config);
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writer.Close ();
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SparkleHelpers.DebugInfo ("Fetcher", "Added configuration to '" + repo_config_file_path + "'");
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}
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// Add a .gitignore file to the repo
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private void InstallExcludeRules ()
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{
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DirectoryInfo info = Directory.CreateDirectory (
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SparkleHelpers.CombineMore (TargetFolder, ".git", "info"));
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// File that lists the files we want git to ignore
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string exclude_rules_file_path = Path.Combine (info.FullName, "exclude");
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TextWriter writer = new StreamWriter (exclude_rules_file_path);
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foreach (string exclude_rule in ExcludeRules)
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writer.WriteLine (exclude_rule);
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writer.Close ();
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// File that lists the files we want don't want git to compress.
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// Not compressing the already compressed files saves us memory
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// usage and increases speed
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string no_compression_rules_file_path = Path.Combine (info.FullName, "attributes");
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writer = new StreamWriter (no_compression_rules_file_path);
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// Images
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writer.WriteLine ("*.jpg -delta");
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writer.WriteLine ("*.jpeg -delta");
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writer.WriteLine ("*.JPG -delta");
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writer.WriteLine ("*.JPEG -delta");
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writer.WriteLine ("*.png -delta");
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writer.WriteLine ("*.PNG -delta");
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writer.WriteLine ("*.tiff -delta");
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writer.WriteLine ("*.TIFF -delta");
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// Audio
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writer.WriteLine ("*.flac -delta");
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writer.WriteLine ("*.FLAC -delta");
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writer.WriteLine ("*.mp3 -delta");
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writer.WriteLine ("*.MP3 -delta");
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writer.WriteLine ("*.ogg -delta");
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writer.WriteLine ("*.OGG -delta");
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writer.WriteLine ("*.oga -delta");
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writer.WriteLine ("*.OGA -delta");
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// Video
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writer.WriteLine ("*.avi -delta");
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writer.WriteLine ("*.AVI -delta");
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writer.WriteLine ("*.mov -delta");
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writer.WriteLine ("*.MOV -delta");
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writer.WriteLine ("*.mpg -delta");
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writer.WriteLine ("*.MPG -delta");
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writer.WriteLine ("*.mpeg -delta");
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writer.WriteLine ("*.MPEG -delta");
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writer.WriteLine ("*.mkv -delta");
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writer.WriteLine ("*.MKV -delta");
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writer.WriteLine ("*.ogv -delta");
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writer.WriteLine ("*.OGV -delta");
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writer.WriteLine ("*.ogx -delta");
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writer.WriteLine ("*.OGX -delta");
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writer.WriteLine ("*.webm -delta");
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writer.WriteLine ("*.WEBM -delta");
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// Archives
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writer.WriteLine ("*.zip -delta");
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writer.WriteLine ("*.ZIP -delta");
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writer.WriteLine ("*.gz -delta");
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writer.WriteLine ("*.GZ -delta");
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writer.WriteLine ("*.bz -delta");
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writer.WriteLine ("*.BZ -delta");
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writer.WriteLine ("*.bz2 -delta");
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writer.WriteLine ("*.BZ2 -delta");
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writer.WriteLine ("*.rpm -delta");
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writer.WriteLine ("*.RPM -delta");
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writer.WriteLine ("*.deb -delta");
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writer.WriteLine ("*.DEB -delta");
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writer.WriteLine ("*.tgz -delta");
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writer.WriteLine ("*.TGZ -delta");
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writer.WriteLine ("*.rar -delta");
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writer.WriteLine ("*.RAR -delta");
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writer.WriteLine ("*.ace -delta");
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writer.WriteLine ("*.ACE -delta");
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writer.WriteLine ("*.7z -delta");
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writer.WriteLine ("*.7Z -delta");
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writer.WriteLine ("*.pak -delta");
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writer.WriteLine ("*.PAK -delta");
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writer.WriteLine ("*.tar -delta");
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writer.WriteLine ("*.TAR -delta");
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writer.Close ();
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}
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}
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}
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