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

   1
   2 // valac -o /tmp/ggit Git.vala --pkg libgit2-glib-1.0 --pkg libsoup-2.4 --pkg gee-0.8 -g
   3
   4
   5 void main()
   6 {
   7          GLib.Log.set_handler(null,
   8             GLib.LogLevelFlags.LEVEL_DEBUG | GLib.LogLevelFlags.LEVEL_WARNING | GLib.LogLevelFlags.LEVEL_INFO,
   9             (dom, lvl, msg) => {
  10
  11
  12                // should we debug..
  13
  14
  15                print("%s\n", msg);
  16             }
  17          );
  18
  19
  20         Ggit.init();
  21         var a = new GitLive.Repo("/home/alan/gitlive/web.Texon");
  22         a.fetchAll();
  23         return;
  24         /*
  25         GLib.Timeout.add (1, () => {
  26       GLib.debug("Meanwhile");
  27       return true;
  28     }, GLib.Priority.HIGH);
  29
  30         var loop = new MainLoop();
  31
  32         var a = new GitLive.Repo("/home/alan/gitlive/web.coba");
  33       GLib.debug("Starting");
  34         a.loadRemoteHeads.begin(true, (obj,res) => {
  35                 a.loadRemoteHeads.end(res);
  36                  GLib.debug("got results");
  37                 a.loadLocalBranches();
  38                 loop.quit();
  39         });
  40         loop.run();
  41         //a.mergeMasterIntoHead();
  42         //a.walkDiff();
  43         //return;
  44         //a.is_managed();
  45         //a.is_autocommit();
  46
  47
  48         //a.fetchAll();
  49         //
  50         /*
  51         var a = new GitLive.Repo("/home/alan/git/test1-clone");
  52         //a.fetchAll();
  53         var str = (new GLib.DateTime.now_utc()).format("%Y-%m-%d %H:%M:%S");
  54         GLib.FileUtils.set_contents("/home/alan/git/test1-clone/test1",  str);
  55
  56         var ix = a.repo.get_index();
  57         ix.add_path("test1");
  58         ix.write();
  59         var treeoid = ix.write_tree();
  60
  61         var head = a.repo.get_head();
  62         var parent = head.lookup() as Ggit.Commit;
  63         Ggit.Commit[] parents = (parent == null) ?
  64                 new Ggit.Commit[] {} :
  65                 new Ggit.Commit[] { parent };
  66
  67         var tree = a.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;// odd format..
  68
  69         var sig = new Ggit.Signature.now("Alan Knowles", "alan@roojs.com");
  70         a.repo.create_commit("HEAD", sig, sig, null, "test commit " + str, tree, parents);
  71         */
  72         // mmh.. no git add/commit in library...
  73 //      string[] spawn_args = {"git", "commit", "-m", "test", "-a"};
  74         //string[] spawn_env = Environ.get ();
  75 //      Process.spawn_sync ("/home/alan/git/test1-clone", spawn_args, spawn_env, SpawnFlags.SEARCH_PATH, null);
  76
  77         //a.pushAll();
  78 }
  79
  80
  81 namespace  GitLive {
  82
  83         public class Repo : Object {
  84
  85                 string name = "";
  86                 public Ggit.Repository  repo;
  87                 Callbacks callbacks;
  88
  89                 public Repo(string path)
  90                 {
  91                         this.name = GLib.Path.get_basename(path);
  92                         this.repo = Ggit.Repository.open(GLib.File.new_for_path(path));
  93                         this.callbacks = new Callbacks(this);
  94
  95                 }
  96                 Ggit.Branch                                             head = null;
  97             Gee.ArrayList<Ggit.Branch>          branches = null;
  98             Ggit.RemoteHead[]                           remote_heads = null;
  99                 public void loadLocalBranches(bool force = false)
 100                 {
 101                         if (!force && this.branches != null) {
 102                                 return;
 103                         }
 104
 105                         this.branches =  new Gee.ArrayList<Ggit.Branch>();
 106                         var r = this.repo.enumerate_branches(Ggit.BranchType.LOCAL);
 107                         while (r.next()) {
 108                                 var br = r.get() as Ggit.Branch;
 109                                 if (br == null) {
 110                                         continue;
 111                                 }
 112                                 if (br.is_tag()) {
 113                                         continue;
 114                                 }
 115
 116                                 //var head = this.repo.revparse("refs/heads/" + br.get_name() ).get_id();
 117                                 //var rhead = this.repo.revparse(br.get_upstream().get_name() ).get_id();
 118                                 try {
 119                                         GLib.debug("got branch: N=%s", br.get_name() );
 120                                         GLib.debug("is_head %s", br.is_head() ? "Y" : "n");
 121
 122                                         GLib.debug("upstream = %s", br.get_upstream() == null ? "??" : br.get_upstream().get_name().substring(20));
 123                                         GLib.debug("oid = %s",br.get_target().to_string());
 124                                         this.branches.add(br);
 125                                         if (br.is_head()) {
 126                                                 GLib.debug("HEAD= %s", br.get_name());
 127                                                 this.head = br;
 128                                         }
 129                                 } catch (Error e) {
 130                                         GLib.debug("Skip branch");
 131                                 }
 132                         }
 133
 134
 135                 }
 136
 137                 public bool is_managed()
 138                 {
 139                         GLib.debug("is_managed: %d", this.repo.get_config().get_int32("gitlive.managed"));
 140                         return this.repo.get_config().get_int32("gitlive.managed") == 1;
 141                 }
 142
 143
 144                 public bool is_autocommit ()
 145                 {
 146                         GLib.debug("is_autocommit: %d", this.repo.get_config().get_int32("gitlive.autocommit"));
 147                         return this.repo.get_config().get_int32("gitlive.autocommit") == 1;
 148                 }
 149                 public void set_autocommit(bool val)
 150                 {
 151                         this.repo.get_config().set_int32("gitlive.autocommit", val ? 1 : 0);
 152
 153                 }
 154
 155                 public void walkDiff()
 156                 {
 157                         this.loadLocalBranches();
 158
 159
 160
 161                         var oid =  this.repo.revparse(this.head.get_name() ).get_id()  ;
 162                         var moid =  this.repo.revparse("refs/heads/master" ).get_id()  ;
 163
 164                         var a = new Ggit.RevisionWalker(this.repo);
 165                         a.set_sort_mode(Ggit.SortMode.TOPOLOGICAL);
 166                         a.push(oid);
 167                         a.hide(moid);
 168                         var last = oid;
 169                         for (var noid = a.next(); noid != null; noid= a.next()) {
 170                                 //var commit = this.repo.lookup(noid, typeof(Ggit.Commit)) as Ggit.Commit;
 171                                 GLib.debug("rev: %s",
 172                                         noid.to_string()
 173                                 );
 174                                 last = noid;
 175                         }
 176                         var commit = this.repo.lookup(last, typeof(Ggit.Commit)) as Ggit.Commit;
 177                         var parent = commit.get_parents();
 178                         GLib.debug("parent = %s", parent.get_id(0).to_string());
 179                         var master_rev =  parent.get_id(0);
 180                         var master_commit  = this.repo.lookup_commit(master_rev);;
 181
 182                         var head_commit = this.repo.lookup_commit(oid);
 183
 184                         var master_tree = master_commit.get_tree();
 185                         var head_tree = head_commit.get_tree();
 186
 187                         var diff = new Ggit.Diff.tree_to_tree(this.repo, master_tree, head_tree, new Ggit.DiffOptions());
 188
 189                         diff.print(Ggit.DiffFormatType.PATCH, ( delta,  hunk,  line) => {
 190                                 GLib.debug("%d: %s, %s", line.get_new_lineno(), line.get_origin().to_string(), line.get_text());
 191                                 return 0;
 192                         });
 193                         // let's try a merge..
 194                         var mo = new Ggit.MergeOptions();
 195                         mo.set_file_favor(Ggit.MergeFileFavor.THEIRS);
 196                         var ix = this.repo.merge_trees(master_tree, master_tree, head_tree, mo);
 197
 198                         if (ix.has_conflicts()) {
 199                                 GLib.debug("merge has conflicts");
 200                                 return;
 201                         }
 202                          var treeoid = ix.write_tree();
 203
 204
 205
 206                         var parents =   new Ggit.Commit[] { master_commit };
 207
 208
 209                         var new_tree = this.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;
 210
 211                         var sig = new Ggit.Signature.now(
 212                                         this.repo.get_config().get_string("user.name"),
 213                                         this.repo.get_config().get_string("user.email")
 214                         );
 215
 216
 217
 218                         this.repo.create_commit("HEAD", sig, sig, null, "Test Merge", new_tree, parents);
 219
 220
 221
 222                 }
 223
 224                 public void diffhead()
 225                 {
 226                         var r = this.repo.enumerate_branches(Ggit.BranchType.LOCAL);
 227                         Ggit.Branch head;
 228                         while (r.next()) {
 229                                 var gbr = r.get() as Ggit.Branch;
 230                                 if (gbr.is_head()) {
 231                                         head = gbr;
 232                                 }
 233                         }
 234                         GLib.debug("checking head=%s", head.get_name());
 235                         var br = this.repo.lookup_branch(head.get_name(),Ggit.BranchType.LOCAL);
 236                         var tree =  this.repo.lookup_tree(br.get_target());
 237
 238
 239                 }
 240
 241
 242                 public void mergeMasterIntoHead()
 243                 {
 244                         // assumes head is not master...
 245                         this.loadLocalBranches();
 246                         GLib.debug("head rev = %s", this.head.get_name());
 247                         var head_oid =  this.repo.revparse(this.head.get_name() ).get_id()  ;
 248                         //var master_oid =  this.repo.revparse("refs/heads/master" ).get_id()  ;
 249                         var master_oid =  this.repo.revparse("HEAD" ).get_id()  ;
 250
 251                         var master_commit  = this.repo.lookup_commit(master_oid);;
 252                         var head_commit = this.repo.lookup_commit(head_oid);
 253
 254
 255                         var anc_oid = this.repo.merge_base(master_commit.get_id(), head_commit.get_id());
 256
 257                         var anc_commit = this.repo.lookup_commit(anc_oid);
 258                         var anc_tree = anc_commit.get_tree();
 259
 260                         var mo = new Ggit.MergeOptions();
 261                         var co = new Ggit.CheckoutOptions();
 262                         var the_ref = this.repo.lookup_reference_dwim("refs/heads/master");
 263
 264                     var ac = new Ggit.AnnotatedCommit.from_ref(this.repo, the_ref);
 265
 266                         var commits =   new Ggit.AnnotatedCommit[] { ac };
 267
 268                         this.repo.merge(commits, mo, co);
 269
 270                         var cfg = this.repo.get_config().snapshot();
 271
 272                     var sig = new Ggit.Signature.now(
 273                                         cfg.get_string("user.name"),
 274                                         cfg.get_string("user.email")
 275                         );
 276                         var new_head = this.repo.get_head();
 277                         var oid = new_head.get_target();
 278
 279                         var ix = this.repo.get_index();
 280
 281                         ix.write();
 282                         var treeoid = ix.write_tree();
 283
 284                         var new_tree = this.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;
 285
 286                         var parent = new_head.lookup() as Ggit.Commit;
 287                         Ggit.Commit[] parents =  new Ggit.Commit[] { parent };
 288
 289                         this.repo.create_commit("refs/heads/" + this.head.get_name(), sig, sig, null, "Test Merge", new_tree, parents);
 290
 291                 }
 292
 293
 294
 295
 296
 297                 /*
 298                 public bool doMergeClose(string commit_message)
 299                 {
 300                         this.loadLocalBranches(true);
 301                         var oldbranch = this.head.get_name();
 302             // going to asume this is merge trees..
 303                            string [] cmd = { "merge",   "--squash",  oldbranch };
 304                            this.git( cmd );
 305                            cmd = { "commit",   "-a" , "-m",  commit_message };
 306                            this.git( cmd );
 307                            this.push();
 308                            this.loadBranches(); // updates lastrev..
 309
 310                        var notification = new Notify.Notification(
 311                                "Merged branch %s to %s".printf(oldbranch, master),
 312                                "",
 313                                 "dialog-information"
 314
 315                        );
 316
 317                        notification.set_timeout(5);
 318                        notification.show();
 319
 320
 321                 }
 322                 */
 323
 324
 325                 public bool is_auto_branch ()
 326                 {
 327                         if (this.name == "gitlog") {
 328                                 return false;
 329                         }
 330                         // check remote...
 331                         if (this.is_managed()) {
 332                                 return true;
 333                         }
 334                         return false;
 335
 336
 337                 }
 338
 339                 public async void loadRemoteHeads(bool force = false)
 340                 {
 341                     SourceFunc callback = loadRemoteHeads.callback;
 342
 343                         ThreadFunc<bool> run = () => {
 344
 345                                 if (!force && this.remote_heads != null) {
 346                                         return true;;
 347                                 }
 348                                 var r = this.repo.lookup_remote("origin");
 349                                 r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
 350                                 yield;
 351                                 this.remote_heads = r.list();
 352
 353                                 foreach(var br in this.remote_heads) {
 354                                         if (!br.get_name().has_prefix("refs/heads/")) {
 355                                                 continue;
 356                                         }
 357
 358                                         GLib.debug("Remote: name=%s  oid=%s local_oid=%s is_local=%s",
 359                                                 br.get_name(),
 360                                                 br.get_oid().to_string(),
 361                                                 br.get_local_oid().to_string(),
 362                                                 br.is_local() ? "Y" : "n"
 363                                                 );
 364                                 }
 365                                 Idle.add((owned) callback);
 366                                 return true;;
 367                         };
 368                         new Thread<bool>("loadRemoteHeads-" , run);
 369                         yield;
 370
 371
 372                 }
 373
 374
 375                 Ggit.Branch? getBranch(string remote_name, string remote_branch_name)
 376                 {
 377                          //GLib.debug("bn=%s",remote_branch_name);
 378                          if (remote_branch_name.has_prefix("refs/remotes/")) {
 379                                  return null;
 380                          }
 381
 382                          var target = remote_branch_name.replace("refs/heads/", remote_name+"/") .replace("refs/remotes/", "");
 383                         if (target == "HEAD") {
 384                                 target = remote_name +"/master";
 385                         }
 386
 387                         foreach(var br in this.branches) {
 388                         //      GLib.debug("test:%s=%s", br.get_upstream().get_shorthand() , target);
 389                                 if ( br.get_upstream().get_shorthand() == target) {
 390                                         return br;
 391                                 }
 392
 393                         }
 394                         //GLib.debug("missing %s", remote_branch_name);
 395                         return null;
 396
 397                 }
 398
 399
 400                 public void fetchAll()
 401                 {
 402                         this.loadLocalBranches();
 403                         this.loadRemoteHeads();
 404
 405                         // remotes probably will not work with http auth..
 406                         //var ar = this.repo.list_remotes();
 407                         //foreach(var n in ar) {
 408                         var n = "origin";
 409
 410                                 GLib.debug("got remote '%s'", n);
 411                                 var r = this.repo.lookup_remote(n);
 412                                 GLib.debug("connecting '%s'", r.get_url());
 413
 414                                 try {
 415                                         string[] h = { "a = 1" };
 416                                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
 417
 418                                 } catch (Error e) {
 419                                         GLib.debug("Got Error Message: %s", e.message);
 420                                         return;
 421                                 }
 422                                 string[] far = {};
 423
 424                                 foreach(var rh in this.remote_heads) {
 425                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 426                                                    continue;
 427                                          }
 428
 429                                         var br = this.getBranch(n, rh.get_name());
 430
 431                                         /*GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 432                                                 rh.get_name(),
 433                                                 rh.get_oid().to_string(),
 434                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 435                                         );
 436                                         */
 437                                         //var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 438
 439                                         var loc_oid = br.get_target();
 440
 441                                         size_t ahead, behind;
 442                                         this.repo.get_ahead_behind(
 443                                                 loc_oid,
 444                                                 rh.get_oid(),
 445                                                 out ahead,
 446                                                 out behind
 447                                         );
 448
 449                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 450                                                 continue;
 451                                         }
 452                                         if (ahead > 0) {
 453                                                 continue;
 454                                         }
 455                                         far += ("+refs/heads/" + br.get_name()) + ":refs/remotes/" + n + "/" + rh.get_name().replace("refs/heads/","");
 456                                 }
 457
 458                                 if (far.length < 1) {
 459                                         GLib.debug("no fetch required.. it's uptodate");
 460                                         r.disconnect();
 461                                         return;
 462                                 }
 463
 464                                 GLib.debug("getting remote specs '%s', %d", n, far.length);
 465
 466 /*
 467                                 var far = r.get_fetch_specs();
 468                                 */
 469                                 foreach(var rs in far) {
 470                                         GLib.debug("got remote spec: %s", rs);
 471
 472                                 }
 473
 474                                 var options = new Ggit.FetchOptions();
 475                                 options.set_remote_callbacks(this.callbacks);
 476                                 //yield Async.thread(() => {
 477
 478                                         r.download(far, options);
 479                                 //});
 480                                 r.disconnect();
 481
 482                                 //r.download(
 483
 484
 485                 }
 486
 487
 488
 489                 public void pushAll()
 490                 {
 491
 492                         this.loadLocalBranches();
 493                         this.loadRemoteHeads();
 494                         // remotes probably will not work with http auth..
 495                         //var ar = this.repo.list_remotes();
 496                         var n = "origin";
 497
 498                                 GLib.debug("got remote '%s'", n);
 499                                 var r = this.repo.lookup_remote(n);
 500                                 GLib.debug("connecting '%s'", r.get_url());
 501
 502                                 r.connect(Ggit.Direction.PUSH, this.callbacks, null, null);
 503
 504                                 //GLib.debug("getting specs '%s'", n);
 505                                 /*
 506
 507                                 this.repo.add_remote_push(
 508                                         "origin",
 509                                         "+%s:%s".printf(head.get_shorthand(),head.get_name())
 510                                 );
 511  */
 512
 513                                 string[] far = {};
 514                                 var heads = r.list();
 515                                 foreach(var rh in heads) {
 516                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 517                                                    continue;
 518                                          }
 519
 520                                         var br = this.getBranch(n, rh.get_name());
 521                                         /*
 522                                         GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 523                                                 rh.get_name(),
 524                                                 rh.get_oid().to_string(),
 525                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 526                                         );*/
 527                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 528                                         size_t ahead, behind;
 529                                         this.repo.get_ahead_behind(
 530                                                 loc_oid,
 531                                                 rh.get_oid(),
 532                                                 out ahead,
 533                                                 out behind
 534                                         );
 535
 536                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 537                                                 continue;
 538                                         }
 539                                         if (behind > 0) {
 540                                                 continue;
 541                                         }
 542                                         far += ("+refs/heads/" + br.get_name()) + ":"+ rh.get_name();
 543                                 }
 544
 545                                 if (far.length < 1) {
 546                                         GLib.debug("no push required.. it's uptodate");
 547                                         r.disconnect();
 548                                         return;
 549                                 }
 550
 551                                 /*var head = this.repo.get_head();
 552                                 string[] far = {};
 553                                 far += "+%s:%s".printf(head.get_name(),head.get_name());
 554                                 */
 555                                 foreach(var rs in far) {
 556                                         GLib.debug("got remote spec: %s", rs);
 557
 558                                 }
 559
 560                                 var popts = new Ggit.PushOptions();
 561                                  popts.callbacks = this.callbacks;
 562                                 GLib.debug("Push?");
 563                                 r.upload(far,popts);
 564                                 GLib.debug("Push done?");
 565                                 r.disconnect();
 566
 567
 568                                 //r.download(
 569
 570
 571                 }
 572
 573
 574
 575         }
 576
 577         private class Callbacks : Ggit.RemoteCallbacks
 578         {
 579                 //private Remote d_remote;
 580                 private Ggit.RemoteCallbacks? d_proxy = null;
 581
 582                 public delegate void TransferProgress(Ggit.TransferProgress stats);
 583                 //private TransferProgress? d_transfer_progress;
 584
 585                 public Callbacks( Repo repo)  //, Ggit.RemoteCallbacks? proxy) //,Remote remote, owned TransferProgress? transfer_progress)
 586                 {
 587                         //d_remote = remote;
 588                         //d_proxy = proxy;
 589                         //d_transfer_progress = (owned)transfer_progress;
 590                 }
 591
 592                 protected override void progress(string message)
 593                 {
 594                         GLib.debug("progress: %s", message);
 595                         if (d_proxy != null)
 596                         {
 597                                 d_proxy.progress(message);
 598                         }
 599                 }
 600
 601                 protected override void transfer_progress(Ggit.TransferProgress stats)
 602                 {
 603                         GLib.debug("transfer_progress");
 604                         /*
 605                         if (d_transfer_progress != null)
 606                         {
 607                                 d_transfer_progress(stats);
 608                         }
 609
 610                         if (d_proxy != null)
 611                         {
 612                                 d_proxy.transfer_progress(stats);
 613                         }
 614                         */
 615                 }
 616
 617                 protected override void update_tips(string refname, Ggit.OId a, Ggit.OId b)
 618                 {
 619                         GLib.debug("update_tips");
 620                         //d_remote.tip_updated(refname, a, b);
 621
 622                         if (d_proxy != null)
 623                         {
 624                                 d_proxy.update_tips(refname, a, b);
 625                         }
 626                 }
 627
 628                 protected override void completion(Ggit.RemoteCompletionType type)
 629                 {
 630                         GLib.debug("completion");
 631                         if (d_proxy != null)
 632                         {
 633                                 d_proxy.completion(type);
 634                         }
 635                 }
 636
 637                 protected override Ggit.Cred? credentials(string url, string? username_from_url, Ggit.Credtype allowed_types) throws Error
 638                 {
 639
 640                         GLib.debug("get credentials %s  UN=%s", url, username_from_url);
 641                         var uri = new Soup.URI(url);
 642
 643                         if (uri != null) {
 644                                 var ret = this.netrc(uri.get_host());
 645                                 if (ret != null) {
 646                                         return ret;
 647                                 }
 648
 649                                 //return new Ggit.CredPlaintext(username_from_url, "test");
 650                         }
 651                         return null;
 652                         /*var provider = d_remote.credentials_provider;
 653
 654                         if (provider != null)
 655                         {
 656                                 ret = provider.credentials(url, username_from_url, allowed_types);
 657                         }
 658
 659                         if (ret == null && d_proxy != null)
 660                         {
 661                                 ret = d_proxy.credentials(url, username_from_url, allowed_types);
 662                         }
 663
 664                         return ret;
 665                         */
 666                 }
 667                 public  Ggit.Cred netrc(string domain)
 668                 {
 669                         string str;
 670                         GLib.FileUtils.get_contents(GLib.Environment.get_home_dir() + "/.netrc", out str);
 671                         var lines = str.split("\n");
 672                         for(var i=0; i< lines.length; i++) {
 673                                 // assumes one line per entry.. if not we are buggered...
 674                                 //GLib.debug("got %s" , lines[i]);
 675
 676                                 var bits =  Regex.split_simple ("[ \t]+", lines[i].strip());
 677                                 if (bits.length < 6 || bits[0] != "machine" || bits[1] != domain) {
 678                                         continue;
 679                                 }
 680                                 GLib.debug("found password?");
 681                                 // we are gussing....
 682                                 return new Ggit.CredPlaintext(bits[3], bits[5]);
 683
 684                         }
 685                         return null;
 686
 687
 688
 689
 690                 }
 691
 692         }
 693
 694
 695
 696 }