private void AddWarnings()
{
OrangeGit git = new OrangeGit (TargetFolder,
"config --global core.excludesfile");
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 ().Trim ();
git.WaitForExit ();
if (string.IsNullOrEmpty (output))
return;
else
this.warnings.Add ("You seem to have a system wide ‘gitignore’ file, this may affect OrangeShare files.");
}
public override void Complete()
{
OrangeGit git = new OrangeGit (TargetFolder, "checkout HEAD");
git.Start ();
// Reading the standard output HAS to go before
// WaitForExit, or it will hang forever on output > 4096 bytes
git.StandardOutput.ReadToEnd ();
git.WaitForExit ();
}
public override bool IsFetchedRepoPasswordCorrect(string password)
{
string password_check_file_path = Path.Combine (TargetFolder, ".sparkleshare");
if (!File.Exists (password_check_file_path)) {
OrangeGit git = new OrangeGit (TargetFolder, "show HEAD:.sparkleshare");
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 ();
if (git.ExitCode != 0) {
return false;
} else {
File.WriteAllText (password_check_file_path, output);
}
}
Process process = new Process () {
EnableRaisingEvents = true
};
process.StartInfo.WorkingDirectory = TargetFolder;
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.FileName = "openssl";
process.StartInfo.Arguments = "enc -d -aes-256-cbc -base64 -S " + this.crypto_salt +
" -pass pass:\"" + password + "\" -in " + password_check_file_path;
process.Start ();
// Reading the standard output HAS to go before
// WaitForExit, or it will hang forever on output > 4096 bytes
process.StandardOutput.ReadToEnd ();
process.WaitForExit ();
if (process.ExitCode == 0) {
File.Delete (password_check_file_path);
return true;
} else {
return false;
}
}
// Merges the fetched changes
private void Rebase()
{
DisableWatching ();
if (HasLocalChanges) {
Add ();
string commit_message = FormatCommitMessage ();
Commit (commit_message);
}
OrangeGit git = new OrangeGit (LocalPath, "rebase FETCH_HEAD");
git.StartInfo.RedirectStandardOutput = false;
git.Start ();
git.WaitForExit ();
if (git.ExitCode != 0) {
OrangeHelpers.DebugInfo ("Git", "[" + Name + "] Conflict detected. Trying to get out...");
while (HasLocalChanges)
ResolveConflict ();
OrangeHelpers.DebugInfo ("Git", "[" + Name + "] Conflict resolved.");
OnConflictResolved ();
}
EnableWatching ();
}
private void ResolveConflict()
{
// This is a list of conflict status codes that Git uses, their
// meaning, and how OrangeShare 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
// ?? unmerged, new files -> Stage the new files
//
// 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'
OrangeGit git_status = new OrangeGit (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 ().TrimEnd ();
git_status.WaitForExit ();
string [] lines = output.Split ("\n".ToCharArray ());
foreach (string line in lines) {
string conflicting_path = line.Substring (3);
conflicting_path = conflicting_path.Trim ("\"".ToCharArray ());
OrangeHelpers.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
OrangeGit git_theirs = new OrangeGit (LocalPath,
"checkout --theirs \"" + conflicting_path + "\"");
git_theirs.Start ();
git_theirs.WaitForExit ();
// Append a timestamp to local version.
// Windows doesn't allow colons in the file name, so
// we use "h" between the hours and minutes instead.
string timestamp = DateTime.Now.ToString ("MMM d H\\hmm");
string their_path = Path.GetFileNameWithoutExtension (conflicting_path) +
" (" + OrangeConfig.DefaultConfig.User.Name + ", " + timestamp + ")" + Path.GetExtension (conflicting_path);
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
OrangeGit git_ours = new OrangeGit (LocalPath,
"checkout --ours \"" + conflicting_path + "\"");
git_ours.Start ();
git_ours.WaitForExit ();
Add ();
OrangeGit git_rebase_continue = new OrangeGit (LocalPath, "rebase --continue");
git_rebase_continue.Start ();
git_rebase_continue.WaitForExit ();
// The local version has been modified, but the server version was removed
} else 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
OrangeGit git_add = new OrangeGit (LocalPath,
"add \"" + conflicting_path + "\"");
git_add.Start ();
git_add.WaitForExit ();
OrangeGit git_rebase_continue = new OrangeGit (LocalPath, "rebase --continue");
git_rebase_continue.Start ();
git_rebase_continue.WaitForExit ();
// The server version has been modified, but the local version was removed
} else if (line.StartsWith ("UD")) {
// We can just skip here, the server version is
// already in the checkout
OrangeGit git_rebase_skip = new OrangeGit (LocalPath, "rebase --skip");
git_rebase_skip.Start ();
git_rebase_skip.WaitForExit ();
// New local files
} else {
Add ();
OrangeGit git_rebase_continue = new OrangeGit (LocalPath, "rebase --continue");
git_rebase_continue.Start ();
git_rebase_continue.WaitForExit ();
}
}
}
// Removes unneeded objects
/* private void CollectGarbage ()
{
OrangeGit git = new OrangeGit (LocalPath, "gc");
git.Start ();
git.WaitForExit ();
OrangeHelpers.DebugInfo ("Git", "[" + Name + "] Garbage collected.");
} */
// Commits the made changes
private void Commit(string message)
{
OrangeGit git = new OrangeGit (LocalPath,
"commit -m \"" + message + "\" " +
"--author=\"" + OrangeConfig.DefaultConfig.User.Name +
" <" + OrangeConfig.DefaultConfig.User.Email + ">\"");
git.Start ();
git.StandardOutput.ReadToEnd ();
git.WaitForExit ();
OrangeHelpers.DebugInfo ("Commit", "[" + Name + "] " + message);
}
// 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 = "";
OrangeGit git_status = new OrangeGit (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 ());
if (file_name.EndsWith (".empty"))
file_name = file_name.Substring (0, file_name.Length - 6);
message += "+ ‘" + file_name + "’" + n;
count++;
if (count == max_count)
return message + "...";
}
foreach (string modified in Modified) {
file_name = modified.Trim ("\"".ToCharArray ());
if (file_name.EndsWith (".empty"))
continue;
message += "/ ‘" + file_name + "’" + n;
count++;
if (count == max_count)
return message + "...";
}
foreach (string removed in Removed) {
file_name = removed.Trim ("\"".ToCharArray ());
if (file_name.EndsWith (".empty"))
file_name = file_name.Substring (0, file_name.Length - 6);
message += "- ‘" + file_name + "’" + n;
count++;
if (count == max_count)
return message + "..." + n;
}
message = message.Replace ("\"", "");
return message.TrimEnd ();
}
// Stages the made changes
private void Add()
{
OrangeGit git = new OrangeGit (LocalPath, "add --all");
git.Start ();
git.WaitForExit ();
OrangeHelpers.DebugInfo ("Git", "[" + Name + "] Changes staged");
}
public override bool SyncUp()
{
if (HasLocalChanges) {
Add ();
string message = FormatCommitMessage ();
Commit (message);
}
OrangeGit git = new OrangeGit (LocalPath,
"push --progress " + // Redirects progress stats to standarderror
"\"" + RemoteUrl + "\" master");
git.StartInfo.RedirectStandardError = true;
git.Start ();
double percentage = 1.0;
Regex progress_regex = new Regex (@"([0-9]+)%", RegexOptions.Compiled);
while (!git.StandardError.EndOfStream) {
string line = git.StandardError.ReadLine ();
Match match = progress_regex.Match (line);
string speed = "";
double number = 0.0;
if (match.Success) {
number = double.Parse (match.Groups [1].Value);
// The pushing progress consists of two stages: the "Compressing
// objects" stage which we count as 20% of the total progress, and
// the "Writing objects" stage which we count as the last 80%
if (line.StartsWith ("Compressing")) {
// "Compressing objects" stage
number = (number / 100 * 20);
} else {
if (line.StartsWith ("ERROR: QUOTA EXCEEDED")) {
int quota_limit = int.Parse (line.Substring (21).Trim ());
throw new QuotaExceededException ("Quota exceeded", quota_limit);
}
// "Writing objects" stage
number = (number / 100 * 80 + 20);
if (line.Contains ("|")) {
speed = line.Substring (line.IndexOf ("|") + 1).Trim ();
speed = speed.Replace (", done.", "").Trim ();
speed = speed.Replace ("i", "");
speed = speed.Replace ("KB/s", "ᴋʙ/s");
speed = speed.Replace ("MB/s", "ᴍʙ/s");
}
}
} else {
OrangeHelpers.DebugInfo ("Git", "[" + Name + "] " + line);
}
if (number >= percentage) {
percentage = number;
base.OnProgressChanged (percentage, speed);
}
}
git.WaitForExit ();
UpdateSizes ();
ChangeSets = GetChangeSets ();
if (git.ExitCode == 0)
return true;
else
return false;
}
public override bool SyncDown()
{
OrangeGit git = new OrangeGit (LocalPath, "fetch --progress \"" + RemoteUrl + "\" master");
git.StartInfo.RedirectStandardError = true;
git.Start ();
double percentage = 1.0;
Regex progress_regex = new Regex (@"([0-9]+)%", RegexOptions.Compiled);
while (!git.StandardError.EndOfStream) {
string line = git.StandardError.ReadLine ();
Match match = progress_regex.Match (line);
string speed = "";
double number = 0.0;
if (match.Success) {
number = double.Parse (match.Groups [1].Value);
// The fetching progress consists of two stages: the "Compressing
// objects" stage which we count as 20% of the total progress, and
// the "Receiving objects" stage which we count as the last 80%
if (line.StartsWith ("Compressing")) {
// "Compressing objects" stage
number = (number / 100 * 20);
} else {
// "Writing objects" stage
number = (number / 100 * 80 + 20);
if (line.Contains ("|")) {
speed = line.Substring (line.IndexOf ("|") + 1).Trim ();
speed = speed.Replace (", done.", "").Trim ();
speed = speed.Replace ("i", "");
speed = speed.Replace ("KB/s", "ᴋʙ/s");
speed = speed.Replace ("MB/s", "ᴍʙ/s");
}
}
} else {
OrangeHelpers.DebugInfo ("Git", "[" + Name + "] " + line);
}
if (number >= percentage) {
percentage = number;
base.OnProgressChanged (percentage, speed);
}
}
git.WaitForExit ();
UpdateSizes ();
if (git.ExitCode == 0) {
Rebase ();
File.SetAttributes (
Path.Combine (LocalPath, ".sparkleshare"),
FileAttributes.Hidden
);
ChangeSets = GetChangeSets ();
return true;
} else {
ChangeSets = GetChangeSets ();
return false;
}
}
// Returns a list of the latest change sets
public override List<OrangeChangeSet> GetChangeSets(int count)
{
if (count < 1)
count = 30;
List <OrangeChangeSet> change_sets = new List <OrangeChangeSet> ();
// Console.InputEncoding = System.Text.Encoding.Unicode;
// Console.OutputEncoding = System.Text.Encoding.Unicode;
OrangeGit git_log = new OrangeGit (LocalPath,
"log -" + count + " --raw -M --date=iso --format=medium --no-color");
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 line_number = 0;
bool first_pass = true;
string entry = "", last_entry = "";
foreach (string line in lines) {
if (line.StartsWith ("commit") && !first_pass) {
entries.Add (entry);
entry = "";
line_number = 0;
} else {
first_pass = false;
}
// Only parse 250 files to prevent memory issues
if (line_number < 254) {
entry += line + "\n";
line_number++;
}
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);
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) {
OrangeChangeSet change_set = new OrangeChangeSet ();
change_set.Folder = new OrangeFolder (Name);
change_set.Revision = match.Groups [1].Value;
change_set.User = new OrangeUser (match.Groups [2].Value, match.Groups [3].Value);
change_set.IsMagical = is_merge_commit;
change_set.RemoteUrl = RemoteUrl;
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 time_zone = match.Groups [10].Value;
int our_offset = TimeZone.CurrentTimeZone.GetUtcOffset(DateTime.Now).Hours;
int their_offset = int.Parse (time_zone.Substring (0, 3));
change_set.Timestamp = change_set.Timestamp.AddHours (their_offset * -1);
change_set.Timestamp = change_set.Timestamp.AddHours (our_offset);
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 (file_path.EndsWith (".empty"))
file_path = file_path.Substring (0,
file_path.Length - ".empty".Length);
if (file_path.Equals (".sparkleshare"))
continue;
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);
if (file_path.EndsWith (".empty"))
file_path = file_path.Substring (0,
file_path.Length - ".empty".Length);
if (to_file_path.EndsWith (".empty"))
to_file_path = to_file_path.Substring (0,
to_file_path.Length - ".empty".Length);
change_set.MovedFrom.Add (file_path);
change_set.MovedTo.Add (to_file_path);
}
}
}
if ((change_set.Added.Count +
change_set.Edited.Count +
change_set.Deleted.Count +
change_set.MovedFrom.Count) > 0) {
change_sets.Add (change_set);
}
}
}
return change_sets;
}
public override string ComputeIdentifier()
{
// 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
OrangeGit git = new OrangeGit (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 ();
if (output.Length < 40)
return null;
return output.Substring (0, 40);
}
