git.roojs.org Git - gitlive/blob - GitRepo.vala

   1
   2 /**
   3  * @class Scm.Git.Repo
   4  *
   5  * @extends Scm.Repo
   6  *
   7  *
   8  *
   9  */
  10 static GitRepo  _GitRepo;
  11
  12 public class GitRepo : Object
  13 {
  14
  15     public Gee.ArrayList<GitMonitorQueue> cmds;
  16
  17     public string name;
  18     public string gitdir;
  19     public string git_working_dir;
  20     public bool debug = false;
  21     public bool has_local_changes = false;
  22     public string host = "";
  23     public string git_status;
  24     public string git_diff;
  25     public string ahead_or_behind = "";
  26
  27     public Gee.HashMap<string,bool> ignore_files;
  28
  29     public GitBranch  currentBranch;
  30
  31     public Gee.HashMap<string,GitBranch> branches; // accessed in GitBranch..
  32         public RooTicket? activeTicket;
  33     public Gee.HashMap<string,GitRepo> cache;
  34     public Gee.HashMap<string,string> config_cache;
  35
  36     public Ggit.Repository repo;
  37     public Ggit.RemoteHead[]                            remote_heads = null;
  38
  39         public static GitRepo singleton()
  40     {
  41         if (_GitRepo == null) {
  42             _GitRepo = new GitRepo.single();
  43             _GitRepo.cache = new Gee.HashMap<string,GitRepo>();
  44         }
  45         return _GitRepo;
  46     }
  47
  48     /**
  49     * index of.. matching gitpath..
  50     */
  51     public static int indexOf( Array<GitRepo> repos, string gitpath) {
  52         // make a fake object to compare against..
  53         var test_repo = GitRepo.get_sync(gitpath);
  54
  55         for(var i =0; i < repos.length; i++) {
  56             if (repos.index(i).gitdir == test_repo.gitdir) {
  57                 return i;
  58             }
  59         }
  60         return -1;
  61
  62     }
  63
  64
  65
  66
  67
  68     public static   Array<GitRepo> list()
  69     {
  70
  71         //if (GitRepo.list_cache !=  null) {
  72         //    unowned  Array<GitRepo>    ret = GitRepo.list_cache;
  73          //   return ret;
  74         //}
  75         var cache = GitRepo.singleton().cache;
  76         var list_cache = new Array<GitRepo>();
  77
  78         var dir = Environment.get_home_dir() + "/gitlive";
  79
  80         var f = File.new_for_path(dir);
  81         FileEnumerator file_enum;
  82         try {
  83             file_enum = f.enumerate_children(
  84                 FileAttribute.STANDARD_DISPLAY_NAME + ","+
  85                 FileAttribute.STANDARD_TYPE,
  86                 FileQueryInfoFlags.NONE,
  87                 null);
  88         } catch (Error e) {
  89
  90             return list_cache;
  91
  92         }
  93
  94         FileInfo next_file;
  95
  96         while (true) {
  97
  98             try {
  99                 next_file = file_enum.next_file(null);
 100                 if (next_file == null) {
 101                     break;
 102                 }
 103
 104             } catch (Error e) {
 105                 GLib.debug("Error: %s",e.message);
 106                 break;
 107             }
 108
 109             //print("got a file " + next_file.sudo () + '?=' + Gio.FileType.DIRECTORY);
 110
 111             if (next_file.get_file_type() !=  FileType.DIRECTORY) {
 112                 next_file = null;
 113                 continue;
 114             }
 115
 116             if (next_file.get_file_type() ==  FileType.SYMBOLIC_LINK) {
 117                 next_file = null;
 118                 continue;
 119             }
 120
 121             if (next_file.get_display_name()[0] == '.') {
 122                 next_file = null;
 123                 continue;
 124             }
 125             var sp = dir+"/"+next_file.get_display_name();
 126
 127             var gitdir = dir + "/" + next_file.get_display_name() + "/.git";
 128
 129             if (!FileUtils.test(gitdir, FileTest.IS_DIR)) {
 130                 continue;
 131             }
 132
 133                 var rep =  GitRepo.get_sync(  sp );
 134                 list_cache.append_val(rep);
 135
 136         }
 137
 138         return list_cache;
 139
 140         }
 141
 142         public  static GitRepo get_sync(string path)
 143         {
 144                 GitRepo ret;
 145                 var cache = GitRepo.singleton().cache;
 146                 if (cache.has_key(path)) {
 147                         ret =  cache.get(path);
 148                 } else {
 149                         ret =  new GitRepo(path);
 150                 }
 151                 return ret;
 152         }
 153
 154         public static  async  GitRepo? get(string path)
 155         {
 156
 157                 SourceFunc callback = GitRepo.get.callback;
 158                 GitRepo ret = null;
 159                 ThreadFunc<bool> run = () => {
 160
 161                         var cache = GitRepo.singleton().cache;
 162                         if (cache.has_key(path)) {
 163                                 ret =  cache.get(path);
 164                         } else {
 165                                 ret =  new GitRepo(path);
 166                         }
 167                         Idle.add((owned) callback);
 168                 return true;
 169
 170                 };
 171                 new Thread<bool>("thread-new-gitrepo-" + path, run);
 172                 yield;
 173                 return ret;
 174
 175         }
 176
 177     private GitRepo.single() {
 178                 // used to create the signleton
 179         }
 180     /**
 181      * constructor:
 182      *
 183      * @param {Object} cfg - Configuration
 184      *     (basically repopath is currently only critical one.)
 185      *
 186      */
 187
 188     private GitRepo(string path)
 189     {
 190         // cal parent?
 191         this.name =   File.new_for_path(path).get_basename();
 192         this.ignore_files = new Gee.HashMap<string,bool>();
 193
 194         this.git_working_dir = path;
 195         this.gitdir = path + "/.git";
 196         if (!FileUtils.test(this.gitdir , FileTest.IS_DIR)) {
 197             this.gitdir = path; // naked...
 198         }
 199         this.cmds = new  Gee.ArrayList<GitMonitorQueue> ();
 200
 201                 var cache = GitRepo.singleton().cache;
 202         //Repo.superclass.constructor.call(this,cfg);
 203                 if ( !cache.has_key(path) ) {
 204                         cache.set( path, this);
 205         }
 206
 207         this.repo =  Ggit.Repository.open(GLib.File.new_for_path(path));
 208
 209         var r = this.repo.lookup_remote("origin");
 210
 211
 212         //var r = this.git({ "remote" , "get-url" , "--push" , "origin"});
 213         var uri = new Soup.URI(r.get_url());
 214         this.host = uri.get_host();
 215                 this.init_config();
 216
 217         this.loadBranches();
 218         this.loadActiveTicket();
 219         this.loadStatus();
 220     }
 221
 222     public bool is_master_branch()
 223     {
 224         // special branches that do not allow autopushing now...
 225         return this.currentBranch.name == "master" || this.currentBranch.name == "roojs";
 226
 227     }
 228     public void init_config()
 229     {
 230         this.config_cache = new Gee.HashMap<string,string>();
 231         // managed =
 232         if (this.get_config("managed") == "") {
 233                 this.set_config("managed", this.host == "git.roojs.com" ? "1" : "0");
 234                 }
 235         if (this.get_config("autocommit") == "") {
 236                 this.set_config("autocommit", this.host == "git.roojs.com" ? "1" : "0");
 237                 }
 238         if (this.get_config("autopush") == "") {
 239                 this.set_config("autopush", this.host == "git.roojs.com" ? "1" : "0");
 240                 }
 241
 242     }
 243
 244
 245
 246     public string get_config(string key)
 247     {
 248
 249         if (this.config_cache.has_key(key)) {
 250                 //GLib.debug("get_config %s = '%s'", key, this.config_cache.get(key));
 251                 return this.config_cache.get(key);
 252                 }
 253         try {
 254                 var cfg = this.repo.get_config().snapshot();
 255                 var ret = cfg.get_string("gitlive." + key).strip();
 256                 return ret;
 257         } catch (Error e) {
 258                 this.repo.get_config().set_string("gitlive." + key, "");
 259                 //this.config_cache.set(key, "");
 260                 //GLib.debug("get_config (fail) %s = '%s'", key, "");
 261                 return ""; // happens when there is nothing set...
 262         }
 263
 264         }
 265     public void set_config(string key, string value)
 266     {
 267         this.repo.get_config().set_string("gitlive." + key, value);
 268         //this.git({ "config" , "gitlive." + key, value });
 269         //this.config_cache.set(key,value);
 270         }
 271
 272     public bool is_managed()
 273     {
 274         return this.get_config("managed") == "1";
 275     }
 276
 277
 278     public bool is_autocommit ()
 279     {
 280         return this.get_config("autocommit") == "1";
 281     }
 282
 283     public void set_autocommit(bool val)
 284     {
 285                 this.set_config("autocommit", val ? "1" : "0");
 286
 287     }
 288
 289     public bool is_auto_branch ()
 290     {
 291         if (this.name == "gitlog") {
 292                 return false;
 293                 }
 294                 // check remote...
 295         if (this.is_managed()) {
 296                 return true;
 297                 }
 298         return false;
 299
 300
 301     }
 302
 303     public void set_auto_branch(bool val)
 304     {
 305                 if (this.name == "gitlog") {
 306                 return;
 307                 }
 308                 this.set_config("managed", val ? "1" : "0");
 309
 310     }
 311     public bool is_autopush ()
 312     {
 313         return this.get_config("autopush") == "1";
 314     }
 315     public void set_autopush(bool val)
 316     {
 317                 this.set_config("autopush", val ? "1" : "0");
 318     }
 319
 320
 321         public void loadStatus()
 322         {
 323                 // status??/
 324                 var r = this.git({ "status" , "--porcelain" });
 325                 this.git_status = r;
 326                 this.has_local_changes = r.length > 0;
 327
 328                 var rs = this.git({ "status" , "-sb" });
 329
 330
 331                 this.ahead_or_behind = rs.contains("[ahead") ? "A" : (rs.contains("[behind") ? "B" : "");
 332
 333
 334                 this.git_diff  = this.git({ "diff" , "HEAD", "--no-color" });
 335         }
 336
 337
 338     public void loadBranches()
 339     {
 340
 341         GitBranch.loadBranches(this);
 342     }
 343
 344
 345     public bool hasBranchCalled(string name)
 346     {
 347         foreach( var br in this.branches.values) {
 348                         if (br.name == name) {
 349                                 return true;
 350                         }
 351
 352                 }
 353                 return false;
 354     }
 355
 356     public string branchesToString()
 357     {
 358         var ret = "";
 359                 foreach( var br in this.branches.values) {
 360                         if (br.name == "") {
 361                                 continue;
 362                         }
 363                         var col = /hours/.match(br.age) ? "#ff851b" : "#ffdc00"; // orange or yellow
 364                         ret += ret.length > 0 ? "\n"  : "";
 365                         ret += br.name + " <span background=\"" + col + "\">" + br.age + "</span>";
 366
 367                 }
 368                 return ret;
 369
 370     }
 371      public static void doMerges(string action, string ticket_id, string commit_message)
 372     {
 373        GitMonitor.gitmonitor.stop();
 374
 375        var commitrevs = "";
 376        var sucess = true;
 377        foreach(var  repo in GitRepo.singleton().cache.values) {
 378                if (repo.activeTicket != null && repo.activeTicket.id == ticket_id) {
 379                        var res = repo.doMerge(action,ticket_id, commit_message);
 380                        if (!res) {
 381                                sucess = false;
 382                                continue;
 383                        }
 384                        commitrevs += commitrevs.length > 0 ? " " : "";
 385                        commitrevs += repo.currentBranch.lastrev;
 386                }
 387        }
 388        if (sucess && action == "CLOSE") {
 389                RooTicket.singleton().getById(ticket_id).close(commitrevs);
 390        }
 391        GitMonitor.gitmonitor.start();
 392     }
 393
 394
 395     public bool doMerge(string action, string ticket_id, string commit_message)
 396     {
 397        // in theory we should check to see if other repo's have got the same branch and merge all them at the same time.
 398        // also need to decide which branch we will merge into?
 399                 var master = this.hasBranchCalled("roojs") ? "roojs" : "master";
 400
 401                    var ret = "";
 402                    if (action == "CLOSE" || action == "LEAVE") {
 403
 404                try {
 405                    var oldbranch = this.currentBranch.name;
 406                    this.setActiveTicket(null, master);
 407                            string [] cmd = { "merge",   "--squash",  oldbranch };
 408                            this.git( cmd );
 409                            cmd = { "commit",   "-a" , "-m",  commit_message };
 410                            this.git( cmd );
 411                            this.push();
 412                            this.loadBranches(); // updates lastrev..
 413
 414                        var notification = new Notify.Notification(
 415                                "Merged branch %s to %s".printf(oldbranch, master),
 416                                "",
 417                                 "dialog-information"
 418
 419                        );
 420
 421                        notification.set_timeout(5);
 422                        notification.show();
 423
 424                // close ticket..
 425                return true;
 426
 427            } catch (Error e) {
 428
 429                GitMonitor.gitmonitor.pauseError(e.message);
 430                return false;
 431            }
 432            // error~?? -- show the error dialog...
 433                    return false;
 434        }
 435        if (action == "MASTER") {
 436                // merge master into ours..
 437                        try {
 438                        string[] cmd = { "merge", master};
 439                        this.git( cmd );
 440                        var notification = new Notify.Notification(
 441                                        "Merged code from %s to %s".printf(master,this.currentBranch.name),
 442                                        "",
 443                                         "dialog-information"
 444
 445                                );
 446                                notification.set_timeout(5);
 447                                notification.show();
 448
 449                        return true;
 450                        } catch (Error e) {
 451                        GitMonitor.gitmonitor.pauseError(e.message);
 452                        return false;
 453                    }
 454            }
 455        if (action == "EXIT") {
 456                        try {
 457                        var oldbranch  = this.currentBranch.name;
 458                          this.setActiveTicket(null, master);
 459                        this.loadBranches();
 460                        var notification = new Notify.Notification(
 461                                        "Left branch %s".printf(oldbranch),
 462                                        "",
 463                                         "dialog-information"
 464
 465                                );
 466                                notification.set_timeout(5);
 467                                notification.show();
 468
 469                        return true;
 470                    } catch (Error e) {
 471                        GitMonitor.gitmonitor.pauseError(e.message);
 472
 473                        return false;
 474                    }
 475                    // error~?? -- show the error dialog...
 476
 477        }
 478        return false;
 479     }
 480
 481     public void loadActiveTicket()
 482     {
 483         this.activeTicket = null;
 484                 var ticket_id = this.get_config("ticket");
 485
 486         if (ticket_id.length < 1) {
 487                 return;
 488                 }
 489                 this.activeTicket = RooTicket.singleton().getById(ticket_id.strip());
 490
 491
 492     }
 493
 494
 495
 496     public bool setActiveTicket(RooTicket? ticket, string branchname)
 497     {
 498         this.set_config("ticket", "");
 499         if (!this.createBranchNamed(branchname)) {
 500                 return false;
 501                 }
 502                 this.set_config("ticket", ticket == null ? "": ticket.id);
 503         this.activeTicket = ticket;
 504         return true;
 505     }
 506
 507     public bool createBranchNamed(string branchname)
 508     {
 509
 510
 511                      if (this.branches.has_key(branchname)) {
 512                         this.switchToExistingBranchNamed(branchname);
 513
 514                     } else {
 515                                  this.createNewBranchNamed(branchname);
 516
 517                     }
 518                        var notification = new Notify.Notification(
 519                        "Changed to branch %s".printf(branchname),
 520                        "",
 521                         "dialog-information"
 522
 523                );
 524
 525                notification.set_timeout(5);
 526                notification.show();
 527
 528
 529          this.loadBranches(); // update branch list...
 530          //GitMonitor.gitmonitor.runQueue(); // no point - we have hidden the queue..
 531          return true;
 532     }
 533      bool switchToExistingBranchNamed(string branchname)
 534      {
 535                 var master = this.hasBranchCalled("roojs") ? "roojs" : "master";
 536                 var stash = false;
 537                 // this is where it get's tricky...
 538                 string files = "";
 539                 try {
 540                                 string[] cmd = { "ls-files" ,  "-m" };                   // list the modified files..
 541                                 files = this.git(cmd);
 542                                 stash = files.length> 1 ;
 543
 544
 545                                 cmd = { "stash" };
 546                                 if (stash) { this.git(cmd); }
 547
 548                                 this.pull();
 549
 550                                 cmd = { "checkout", branchname  };
 551                                 this.git(cmd);
 552                   } catch(Error e) {
 553                                 GitMonitor.gitmonitor.pauseError(e.message);
 554                                 return false;
 555                   }
 556                 try {
 557                    if (branchname != master) {
 558                        string[] cmd = { "merge", master };
 559                             this.git(cmd);
 560                             this.push();
 561
 562                     }
 563
 564                 } catch(Error e) {
 565                     string[] cmd = { "checkout", master  };
 566                     this.git(cmd);
 567                         GitMonitor.gitmonitor.pauseError(
 568                                 "Use\n\na) git checkout %s\nb) git mergetool\nc) git commit\nd) git push\n d) stash pop \ne) start gitlive again\n".printf(
 569                                         branchname)
 570                                  + e.message
 571                         );
 572                         return false;
 573
 574                 }
 575                 try {
 576                     string[]  cmd = { "stash", "pop"  };
 577                     if (stash) {
 578                         this.git(cmd);
 579                         var fl = files.split("\n");
 580                         cmd = { "commit", "-m" , "Changed " + string.joinv("",fl) };
 581                         foreach(var f in fl) {
 582                                 if (f.length < 1) continue;
 583                                 cmd += f;
 584                         }
 585                         this.git(cmd);
 586                 }
 587
 588
 589
 590                 } catch(Error ee) {
 591                         GitMonitor.gitmonitor.pauseError(ee.message);
 592                         return false;
 593                 }
 594        this.push();
 595        return true;
 596
 597      }
 598
 599
 600
 601      bool createNewBranchNamed(string branchname)
 602      {
 603                 var stash = false;
 604                  try {
 605                                 string[] cmd = { "ls-files" ,  "-m" };                   // list the modified files..
 606                                 var files = this.git(cmd);
 607                                 stash = files.length> 1 ;
 608
 609                          cmd = { "checkout", "-b" , branchname  };
 610                         this.git(cmd);
 611
 612                cmd = { "push", "-u" , "origin" ,"HEAD"  };
 613                         this.git(cmd);
 614                                 if (stash) {
 615
 616                                 var fl = files.split("\n");
 617                                 cmd = { "commit", "-m" , "Changed " + string.joinv("",fl) };
 618                                 foreach(var f in fl) {
 619                                         if (f.length < 1) continue;
 620                                         cmd += f;
 621                                 }
 622                                 this.git(cmd);
 623                                 this.push();
 624                         }
 625
 626
 627                 } catch(Error ee) {
 628                                 GitMonitor.gitmonitor.pauseError(ee.message);
 629                                 return false;
 630                         }
 631                         return true;
 632
 633      }
 634
 635      public static string previewMerges(string ticket_id)
 636     {
 637        var ret = "";
 638        foreach(var  repo in GitRepo.singleton().cache.values) {
 639            if (repo.activeTicket == null || repo.activeTicket.id != ticket_id) {
 640                 continue;
 641                 }
 642                         ret += repo.previewMerge() + "\n\n";
 643
 644        }
 645        return ret;
 646
 647     }
 648
 649
 650
 651      public string previewMerge()
 652      {
 653          try {
 654                         var master = this.hasBranchCalled("roojs") ? "roojs" : "master";
 655                         var lines = this.git({"log", master + "...",  "--pretty=format:%H %P" }).split("\n");;
 656                         var head = this.git({"log", "-1",  "--pretty=format:%H %P" });
 657                         var start = head.split(" ")[0];
 658                         var end = "";
 659                         for (var i = 0; i < lines.length; i++) {
 660                                 var cols = lines[i].split(" ");
 661                                 if (cols.length > 2) {
 662                                         end = cols[0];
 663                                         break;
 664                                 }
 665                         }
 666                         if (end == "") {
 667                                 var last = lines[lines.length-1];
 668                                 end = last.split(" ")[1];
 669                         }
 670
 671                         return this.git({ "diff" , (end+".."+start), "--no-color" });
 672                 }  catch(Error ee) {
 673                         GitMonitor.gitmonitor.pauseError(ee.message);
 674                         return "Error getting diff";
 675                 }
 676
 677
 678      }
 679
 680
 681
 682     /**
 683      * add:
 684      * add files to track.
 685      *
 686      * @argument {Array} files the files to add.
 687      */
 688     public string add ( Gee.ArrayList<GitMonitorQueue> files ) throws Error, SpawnError
 689     {
 690         // should really find out if these are untracked files each..
 691         // we run multiple versions to make sure that if one failes, it does not ignore the whole lot..
 692         // not sure if that is how git works.. but just be certian.
 693         var ret = "";
 694         for (var i = 0; i < files.size;i++) {
 695             var f = files.get(i).vname;
 696             try {
 697                 string[] cmd = { "add",    f  };
 698                 this.git( cmd );
 699             } catch (Error e) {
 700                 ret += e.message  + "\n";
 701             }
 702
 703         }
 704         return ret;
 705     }
 706
 707     public bool is_ignore(string fname) throws Error, SpawnError
 708     {
 709                 if (fname == ".gitignore") {
 710                         this.ignore_files.clear();
 711                 }
 712
 713                 if (this.ignore_files.has_key(fname)) {
 714                         return this.ignore_files.get(fname);
 715                 }
 716
 717                 try {
 718                         var ret = this.git( { "check-ignore" , fname } );
 719                         this.ignore_files.set(fname, ret.length >  0);
 720                         return ret.length > 0;
 721                 } catch (SpawnError e) {
 722                         this.ignore_files.set(fname, false);
 723                         return false;
 724                 }
 725
 726     }
 727
 728
 729       /**
 730      * remove:
 731      * remove files to track.
 732      *
 733      * @argument {Array} files the files to add.
 734      */
 735     public string remove  ( Gee.ArrayList<GitMonitorQueue> files ) throws Error, SpawnError
 736     {
 737         // this may fail if files do not exist..
 738         // should really find out if these are untracked files each..
 739         // we run multiple versions to make sure that if one failes, it does not ignore the whole lot..
 740         // not sure if that is how git works.. but just be certian.
 741         var ret = "";
 742
 743         for (var i = 0; i < files.size;i++) {
 744             var f = files.get(i).vname;
 745             try {
 746                 string[] cmd = { "rm",  "-f" ,  f  };
 747                 this.git( cmd );
 748             } catch (Error e) {
 749                 ret += e.message  + "\n";
 750             }
 751         }
 752
 753         return ret;
 754
 755     }
 756
 757
 758     /**
 759      * commit:
 760      * perform a commit.
 761      *
 762      * @argument {Object} cfg commit configuration
 763      *
 764      * @property {String} name (optional)
 765      * @property {String} email (optional)
 766      * @property {String} changed (date) (optional)
 767      * @property {String} reason (optional)
 768      * @property {Array} files - the files that have changed.
 769      *
 770      */
 771
 772     public string commit ( string message, Gee.ArrayList<GitMonitorQueue> files  ) throws Error, SpawnError
 773     {
 774
 775
 776         /*
 777         var env = [];
 778
 779         if (typeof(cfg.name) != 'undefined') {
 780             args.push( {
 781                 'author' : cfg.name + ' <' + cfg.email + '>'
 782             });
 783             env.push(
 784                 "GIT_COMMITTER_NAME" + cfg.name,
 785                 "GIT_COMMITTER_EMAIL" + cfg.email
 786             );
 787         }
 788
 789         if (typeof(cfg.changed) != 'undefined') {
 790             env.push("GIT_AUTHOR_DATE= " + cfg.changed )
 791
 792         }
 793         */
 794         string[] args = { "commit", "-m" };
 795         args +=  (message.length > 0  ? message : "Changed" );
 796         for (var i = 0; i< files.size ; i++ ) {
 797             args += files.get(i).vname; // full path?
 798         }
 799
 800         return this.git(args);
 801     }
 802
 803     /**
 804      * pull:
 805      * Fetch and merge remote repo changes into current branch..
 806      *
 807      * At present we just need this to update the current working branch..
 808      * -- maybe later it will have a few options and do more stuff..
 809      *
 810      */
 811     public string pull () throws Error, SpawnError
 812     {
 813         // should probably hand error conditions better...
 814         string[] cmd = { "pull" , "--no-edit" };
 815         return this.git( cmd );
 816
 817
 818     }
 819
 820     public delegate void GitAsyncCallback (GitRepo repo, int err, string str);
 821     public void pull_async(GitAsyncCallback cb)
 822     {
 823
 824          string[] cmd = { "pull" , "--no-edit" };
 825          this.git_async( cmd , cb);
 826
 827
 828     }
 829
 830     /**
 831      * push:
 832      * Send local changes to remote repo(s)
 833      *
 834      * At present we just need this to push the current branch.
 835      * -- maybe later it will have a few options and do more stuff..
 836      *
 837      */
 838     public string push () throws Error, SpawnError
 839     {
 840         // should
 841         return this.git({ "push"  });
 842
 843     }
 844
 845
 846
 847      /**
 848      * git:
 849      * The meaty part.. run spawn.. with git..
 850      *
 851      *
 852      */
 853
 854     public string git(string[] args_in ) throws Error, SpawnError
 855     {
 856         // convert arguments.
 857
 858         string[]  args = { "git" };
 859         //args +=  "--git-dir";
 860         //args +=  this.gitdir;
 861         args +=  "--no-pager";
 862
 863
 864         //if (this.gitdir != this.repopath) {
 865         //    args +=   "--work-tree";
 866          //   args += this.repopath;
 867         //}
 868         for (var i = 0; i < args_in.length;i++) {
 869             args += args_in[i];
 870         }
 871
 872         //this.lastCmd = args.join(" ");
 873         //if(this.debug) {
 874             GLib.debug( "CWD=%s",  this.git_working_dir );
 875             GLib.debug( "cmd: %s", string.joinv (" ", args));
 876         //}
 877
 878         string[]   env = {};
 879         string  home = "HOME=" + Environment.get_home_dir() ;
 880         env +=  home ;
 881         // do not need to set gitpath..
 882         //if (File.exists(this.repo + '/.git/config')) {
 883             //env.push("GITPATH=" + this.repo );
 884         //}
 885
 886         var cfg = new SpawnConfig(this.git_working_dir , args , env);
 887         //cfg.debug = true;
 888
 889        // may throw error...
 890         var sp = new Spawn(cfg);
 891
 892              //GLib.debug( "GOT result: %d" , sp.result);
 893
 894         // diff output is a bit big..
 895                 if (args_in[0] != "diff") {
 896                 GLib.debug( "GOT: %s" , sp.output);
 897         }
 898         // parse output for some commands ?
 899         return sp.output;
 900     }
 901
 902    unowned GitAsyncCallback git_async_on_callback;
 903         public void  git_async( string[] args_in,   GitAsyncCallback cb ) throws Error, SpawnError
 904     {
 905         // convert arguments.
 906        this.git_async_on_callback = cb;
 907         string[]  args = { "git" };
 908         //args +=  "--git-dir";
 909         //args +=  this.gitdir;
 910         args +=  "--no-pager";
 911
 912
 913         //if (this.gitdir != this.repopath) {
 914         //    args +=   "--work-tree";
 915          //   args += this.repopath;
 916         //}
 917         for (var i = 0; i < args_in.length;i++) {
 918             args += args_in[i];
 919         }
 920
 921         //this.lastCmd = args.join(" ");
 922         //if(this.debug) {
 923             GLib.debug( "CWD=%s",  this.git_working_dir );
 924             //print( "cmd: %s\n", string.joinv (" ", args));
 925         //}
 926
 927         string[]   env = {};
 928         string  home = "HOME=" + Environment.get_home_dir() ;
 929         env +=  home ;
 930         // do not need to set gitpath..
 931         //if (File.exists(this.repo + '/.git/config')) {
 932             //env.push("GITPATH=" + this.repo );
 933         //}
 934
 935
 936         var cfg = new SpawnConfig(this.git_working_dir , args , env);
 937         cfg.async = true;
 938
 939
 940        // may throw error...
 941         var sp = new Spawn(cfg);
 942                 //sp.ref();
 943         //this.ref();
 944         sp.run(this.git_async_on_complete);
 945
 946     }
 947
 948     void git_async_on_complete(int err, string output)
 949     {
 950                 GLib.debug("GOT %d : %s", err, output);
 951                 this.git_async_on_callback(this, err, output);
 952 //              this.unref();
 953         //      sp.unref();
 954
 955
 956     }
 957
 958
 959     public async void doUpdate()
 960     {
 961         SourceFunc callback = this.doUpdate.callback;
 962                 GitRepo ret = null;
 963                 ThreadFunc<bool> run = () => {
 964
 965
 966                 // update the branches..
 967                         this.loadBranches();
 968
 969                         //GLib.debug("connecting '%s'", r.get_url());
 970                         string[] far = {};
 971                         foreach(var br in this.branches.values) {
 972                                 if (br.remote == "" || br.remoterev == br.lastrev) {
 973                                         continue;
 974                                 }
 975                                 far +=  ("+refs/heads/" + br.name + ":refs/remotes/" + br.remote);
 976                         }
 977                         if (far.length > 0) {
 978                                 GLib.debug("PUlling %s", this.name);
 979                                 var r = this.repo.lookup_remote("origin");
 980                                 r.connect(Ggit.Direction.FETCH, new GitCallbacks(this), null, null);
 981                                 var options = new Ggit.FetchOptions();
 982                                 options.set_remote_callbacks( new GitCallbacks(this));
 983                                 r.download(far, options);
 984                         }
 985                         this.loadStatus();
 986
 987
 988                         Idle.add((owned) callback);
 989                 return true;
 990
 991                 };
 992                 new Thread<bool>("thread-new-gitpull-" + this.name, run);
 993                 yield;
 994
 995
 996     }
 997
 998
 999         public static void updateAllAsync(string after)
1000         {
1001
1002
1003                 var doing = new  Gee.HashMap<string,bool>();;
1004
1005                 var tr =  GitRepo.singleton().cache;
1006
1007        var update_all_total = tr.size;
1008        foreach(var repo  in tr.values) {
1009                 if (!repo.is_managed()) {
1010                         update_all_total--;
1011                         continue;
1012                 }
1013                 doing.set(repo.name, true);
1014                         repo.doUpdate.begin((obj, res) => {
1015                                 repo.doUpdate.end(res);
1016                                 doing.set(repo.name, false);
1017
1018                                 foreach(var b in doing.keys) {
1019                                         if (doing.get(b)) {
1020                                                 GLib.debug("pending: %s", b);
1021                                                 return;
1022                                         }
1023                                 }
1024
1025
1026                                 switch (after) {
1027                                         case "show_clones":
1028                                                 Clones.singleton().show();
1029                                                 break;
1030                                         default:
1031                                                 GLib.debug("Unkown call after load = %s", update_all_after);
1032                                                 break;
1033                                 }
1034                         });
1035                 }
1036
1037
1038         }
1039
1040
1041
1042
1043     public void update_async(GitAsyncCallback cb)
1044     {
1045          string[] cmd = { "fetch" , "--all" };
1046          this.git_async( cmd , cb);
1047
1048     }
1049
1050
1051     static uint update_all_total = 0;
1052     static string update_all_after = "";
1053
1054     public static void updateAll(string after)
1055     {
1056                 update_all_after = after;
1057                 var tr =  GitRepo.singleton().cache;
1058
1059
1060        update_all_total = tr.size;
1061        foreach(var repo  in tr.values) {
1062                 if (!repo.is_managed()) {
1063                         update_all_total--;
1064                         continue;
1065                 }
1066            repo.update_async(updateAllCallback);
1067         }
1068                 GLib.debug("calls total = %d", (int) update_all_total);
1069     }
1070
1071
1072
1073     public static void  updateAllCallback(GitRepo repo, int err, string res)
1074     {
1075         repo.loadBranches();
1076         repo.loadStatus();
1077
1078         update_all_total--;
1079                 GLib.debug("calls remaining = %d", (int)update_all_total);
1080         if (update_all_total > 0 ) {
1081
1082                 return;
1083                 }
1084                 GLib.debug("call after load = %s", update_all_after);
1085
1086                 switch (update_all_after) {
1087                         case "show_clones":
1088                                 Clones.singleton().show();
1089                                 break;
1090                         default:
1091                                 GLib.debug("Unkown call after load = %s", update_all_after);
1092                                 break;
1093                 }
1094                 return;
1095     }
1096
1097     public void loadRemoteHeads(bool force = false)
1098         {
1099
1100                 if (!force && this.remote_heads != null) {
1101                         return;
1102                 }
1103                 var r = this.repo.lookup_remote("origin");
1104                 var cb = new GitCallbacks(this);
1105                 r.connect(Ggit.Direction.FETCH, cb, null, null);
1106                 this.remote_heads = r.list();
1107
1108         }
1109
1110 }