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/gitlive");
  22         a.diffhead();
  23         a.fetchAll();
  24         return;
  25         /*
  26         GLib.Timeout.add (1, () => {
  27       GLib.debug("Meanwhile");
  28       return true;
  29     }, GLib.Priority.HIGH);
  30
  31         var loop = new MainLoop();
  32
  33         var a = new GitLive.Repo("/home/alan/gitlive/web.coba");
  34       GLib.debug("Starting");
  35         a.loadRemoteHeads.begin(true, (obj,res) => {
  36                 a.loadRemoteHeads.end(res);
  37                  GLib.debug("got results");
  38                 a.loadLocalBranches();
  39                 loop.quit();
  40         });
  41         loop.run();
  42         //a.mergeMasterIntoHead();
  43         //a.walkDiff();
  44         //return;
  45         //a.is_managed();
  46         //a.is_autocommit();
  47
  48
  49         //a.fetchAll();
  50         //
  51         /*
  52         var a = new GitLive.Repo("/home/alan/git/test1-clone");
  53         //a.fetchAll();
  54         var str = (new GLib.DateTime.now_utc()).format("%Y-%m-%d %H:%M:%S");
  55         GLib.FileUtils.set_contents("/home/alan/git/test1-clone/test1",  str);
  56
  57         var ix = a.repo.get_index();
  58         ix.add_path("test1");
  59         ix.write();
  60         var treeoid = ix.write_tree();
  61
  62         var head = a.repo.get_head();
  63         var parent = head.lookup() as Ggit.Commit;
  64         Ggit.Commit[] parents = (parent == null) ?
  65                 new Ggit.Commit[] {} :
  66                 new Ggit.Commit[] { parent };
  67
  68         var tree = a.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;// odd format..
  69
  70         var sig = new Ggit.Signature.now("Alan Knowles", "alan@roojs.com");
  71         a.repo.create_commit("HEAD", sig, sig, null, "test commit " + str, tree, parents);
  72         */
  73         // mmh.. no git add/commit in library...
  74 //      string[] spawn_args = {"git", "commit", "-m", "test", "-a"};
  75         //string[] spawn_env = Environ.get ();
  76 //      Process.spawn_sync ("/home/alan/git/test1-clone", spawn_args, spawn_env, SpawnFlags.SEARCH_PATH, null);
  77
  78         //a.pushAll();
  79 }
  80
  81
  82 namespace  GitLive {
  83
  84         public class Repo : Object {
  85
  86                 string name = "";
  87                 public Ggit.Repository  repo;
  88                 Callbacks callbacks;
  89
  90                 public Repo(string path)
  91                 {
  92                         this.name = GLib.Path.get_basename(path);
  93                         this.repo = Ggit.Repository.open(GLib.File.new_for_path(path));
  94                         this.callbacks = new Callbacks(this);
  95
  96                 }
  97                 Ggit.Branch                                             head = null;
  98             Gee.ArrayList<Ggit.Branch>          branches = null;
  99             Ggit.RemoteHead[]                           remote_heads = null;
 100                 public void loadLocalBranches(bool force = false)
 101                 {
 102                         if (!force && this.branches != null) {
 103                                 return;
 104                         }
 105
 106                         this.branches =  new Gee.ArrayList<Ggit.Branch>();
 107                         var r = this.repo.enumerate_branches(Ggit.BranchType.LOCAL);
 108                         while (r.next()) {
 109                                 var br = r.get() as Ggit.Branch;
 110                                 if (br == null) {
 111                                         continue;
 112                                 }
 113                                 if (br.is_tag()) {
 114                                         continue;
 115                                 }
 116
 117                                 //var head = this.repo.revparse("refs/heads/" + br.get_name() ).get_id();
 118                                 //var rhead = this.repo.revparse(br.get_upstream().get_name() ).get_id();
 119                                 try {
 120                                         GLib.debug("got branch: N=%s", br.get_name() );
 121                                         GLib.debug("is_head %s", br.is_head() ? "Y" : "n");
 122
 123                                         GLib.debug("upstream = %s", br.get_upstream() == null ? "??" : br.get_upstream().get_name().substring(20));
 124                                         GLib.debug("oid = %s",br.get_target().to_string());
 125                                         this.branches.add(br);
 126                                         if (br.is_head()) {
 127                                                 GLib.debug("HEAD= %s", br.get_name());
 128                                                 this.head = br;
 129                                         }
 130                                 } catch (Error e) {
 131                                         GLib.debug("Skip branch");
 132                                 }
 133                         }
 134
 135
 136                 }
 137
 138                 public bool is_managed()
 139                 {
 140                         GLib.debug("is_managed: %d", this.repo.get_config().get_int32("gitlive.managed"));
 141                         return this.repo.get_config().get_int32("gitlive.managed") == 1;
 142                 }
 143
 144
 145                 public bool is_autocommit ()
 146                 {
 147                         GLib.debug("is_autocommit: %d", this.repo.get_config().get_int32("gitlive.autocommit"));
 148                         return this.repo.get_config().get_int32("gitlive.autocommit") == 1;
 149                 }
 150                 public void set_autocommit(bool val)
 151                 {
 152                         this.repo.get_config().set_int32("gitlive.autocommit", val ? 1 : 0);
 153
 154                 }
 155
 156                 public void walkDiff()
 157                 {
 158                         this.loadLocalBranches();
 159
 160
 161
 162                         var oid =  this.repo.revparse(this.head.get_name() ).get_id()  ;
 163                         var moid =  this.repo.revparse("refs/heads/master" ).get_id()  ;
 164
 165                         var a = new Ggit.RevisionWalker(this.repo);
 166                         a.set_sort_mode(Ggit.SortMode.TOPOLOGICAL);
 167                         a.push(oid);
 168                         a.hide(moid);
 169                         var last = oid;
 170                         for (var noid = a.next(); noid != null; noid= a.next()) {
 171                                 //var commit = this.repo.lookup(noid, typeof(Ggit.Commit)) as Ggit.Commit;
 172                                 GLib.debug("rev: %s",
 173                                         noid.to_string()
 174                                 );
 175                                 last = noid;
 176                         }
 177                         var commit = this.repo.lookup(last, typeof(Ggit.Commit)) as Ggit.Commit;
 178                         var parent = commit.get_parents();
 179                         GLib.debug("parent = %s", parent.get_id(0).to_string());
 180                         var master_rev =  parent.get_id(0);
 181                         var master_commit  = this.repo.lookup_commit(master_rev);;
 182
 183                         var head_commit = this.repo.lookup_commit(oid);
 184
 185                         var master_tree = master_commit.get_tree();
 186                         var head_tree = head_commit.get_tree();
 187
 188                         var diff = new Ggit.Diff.tree_to_tree(this.repo, master_tree, head_tree, new Ggit.DiffOptions());
 189
 190                         diff.print(Ggit.DiffFormatType.PATCH, ( delta,  hunk,  line) => {
 191                                 GLib.debug("%d: %s, %s", line.get_new_lineno(), line.get_origin().to_string(), line.get_text());
 192                                 return 0;
 193                         });
 194                         // let's try a merge..
 195                         var mo = new Ggit.MergeOptions();
 196                         mo.set_file_favor(Ggit.MergeFileFavor.THEIRS);
 197                         var ix = this.repo.merge_trees(master_tree, master_tree, head_tree, mo);
 198
 199                         if (ix.has_conflicts()) {
 200                                 GLib.debug("merge has conflicts");
 201                                 return;
 202                         }
 203                          var treeoid = ix.write_tree();
 204
 205
 206
 207                         var parents =   new Ggit.Commit[] { master_commit };
 208
 209
 210                         var new_tree = this.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;
 211
 212                         var sig = new Ggit.Signature.now(
 213                                         this.repo.get_config().get_string("user.name"),
 214                                         this.repo.get_config().get_string("user.email")
 215                         );
 216
 217
 218
 219                         this.repo.create_commit("HEAD", sig, sig, null, "Test Merge", new_tree, parents);
 220
 221
 222
 223                 }
 224
 225                 public void diffhead()
 226                 {
 227                         var r = this.repo.enumerate_branches(Ggit.BranchType.LOCAL);
 228                         Ggit.Branch head;
 229                         while (r.next()) {
 230                                 var gbr = r.get() as Ggit.Branch;
 231                                 if (gbr.is_head()) {
 232                                         head = gbr;
 233                                 }
 234                         }
 235                         GLib.debug("checking head=%s", head.get_name());
 236                         var br = this.repo.lookup_branch(head.get_name(),Ggit.BranchType.LOCAL);
 237                         var tree =  this.repo.lookup_tree(br.get_target());
 238
 239
 240                 }
 241
 242
 243                 public void mergeMasterIntoHead()
 244                 {
 245                         // assumes head is not master...
 246                         this.loadLocalBranches();
 247                         GLib.debug("head rev = %s", this.head.get_name());
 248                         var head_oid =  this.repo.revparse(this.head.get_name() ).get_id()  ;
 249                         //var master_oid =  this.repo.revparse("refs/heads/master" ).get_id()  ;
 250                         var master_oid =  this.repo.revparse("HEAD" ).get_id()  ;
 251
 252                         var master_commit  = this.repo.lookup_commit(master_oid);;
 253                         var head_commit = this.repo.lookup_commit(head_oid);
 254
 255
 256                         var anc_oid = this.repo.merge_base(master_commit.get_id(), head_commit.get_id());
 257
 258                         var anc_commit = this.repo.lookup_commit(anc_oid);
 259                         var anc_tree = anc_commit.get_tree();
 260
 261                         var mo = new Ggit.MergeOptions();
 262                         var co = new Ggit.CheckoutOptions();
 263                         var the_ref = this.repo.lookup_reference_dwim("refs/heads/master");
 264
 265                     var ac = new Ggit.AnnotatedCommit.from_ref(this.repo, the_ref);
 266
 267                         var commits =   new Ggit.AnnotatedCommit[] { ac };
 268
 269                         this.repo.merge(commits, mo, co);
 270
 271                         var cfg = this.repo.get_config().snapshot();
 272
 273                     var sig = new Ggit.Signature.now(
 274                                         cfg.get_string("user.name"),
 275                                         cfg.get_string("user.email")
 276                         );
 277                         var new_head = this.repo.get_head();
 278                         var oid = new_head.get_target();
 279
 280                         var ix = this.repo.get_index();
 281
 282                         ix.write();
 283                         var treeoid = ix.write_tree();
 284
 285                         var new_tree = this.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;
 286
 287                         var parent = new_head.lookup() as Ggit.Commit;
 288                         Ggit.Commit[] parents =  new Ggit.Commit[] { parent };
 289
 290                         this.repo.create_commit("refs/heads/" + this.head.get_name(), sig, sig, null, "Test Merge", new_tree, parents);
 291
 292                 }
 293
 294
 295
 296
 297
 298                 /*
 299                 public bool doMergeClose(string commit_message)
 300                 {
 301                         this.loadLocalBranches(true);
 302                         var oldbranch = this.head.get_name();
 303             // going to asume this is merge trees..
 304                            string [] cmd = { "merge",   "--squash",  oldbranch };
 305                            this.git( cmd );
 306                            cmd = { "commit",   "-a" , "-m",  commit_message };
 307                            this.git( cmd );
 308                            this.push();
 309                            this.loadBranches(); // updates lastrev..
 310
 311                        var notification = new Notify.Notification(
 312                                "Merged branch %s to %s".printf(oldbranch, master),
 313                                "",
 314                                 "dialog-information"
 315
 316                        );
 317
 318                        notification.set_timeout(5);
 319                        notification.show();
 320
 321
 322                 }
 323                 */
 324
 325
 326                 public bool is_auto_branch ()
 327                 {
 328                         if (this.name == "gitlog") {
 329                                 return false;
 330                         }
 331                         // check remote...
 332                         if (this.is_managed()) {
 333                                 return true;
 334                         }
 335                         return false;
 336
 337
 338                 }
 339
 340                 public async void loadRemoteHeads(bool force = false)
 341                 {
 342                     SourceFunc callback = loadRemoteHeads.callback;
 343
 344                         ThreadFunc<bool> run = () => {
 345
 346                                 if (!force && this.remote_heads != null) {
 347                                         return true;;
 348                                 }
 349                                 var r = this.repo.lookup_remote("origin");
 350                                 r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
 351                                 yield;
 352                                 this.remote_heads = r.list();
 353
 354                                 foreach(var br in this.remote_heads) {
 355                                         if (!br.get_name().has_prefix("refs/heads/")) {
 356                                                 continue;
 357                                         }
 358
 359                                         GLib.debug("Remote: name=%s  oid=%s local_oid=%s is_local=%s",
 360                                                 br.get_name(),
 361                                                 br.get_oid().to_string(),
 362                                                 br.get_local_oid().to_string(),
 363                                                 br.is_local() ? "Y" : "n"
 364                                                 );
 365                                 }
 366                                 Idle.add((owned) callback);
 367                                 return true;;
 368                         };
 369                         new Thread<bool>("loadRemoteHeads-" , run);
 370                         yield;
 371
 372
 373                 }
 374
 375
 376                 Ggit.Branch? getBranch(string remote_name, string remote_branch_name)
 377                 {
 378                          //GLib.debug("bn=%s",remote_branch_name);
 379                          if (remote_branch_name.has_prefix("refs/remotes/")) {
 380                                  return null;
 381                          }
 382
 383                          var target = remote_branch_name.replace("refs/heads/", remote_name+"/") .replace("refs/remotes/", "");
 384                         if (target == "HEAD") {
 385                                 target = remote_name +"/master";
 386                         }
 387
 388                         foreach(var br in this.branches) {
 389                         //      GLib.debug("test:%s=%s", br.get_upstream().get_shorthand() , target);
 390                                 if ( br.get_upstream().get_shorthand() == target) {
 391                                         return br;
 392                                 }
 393
 394                         }
 395                         //GLib.debug("missing %s", remote_branch_name);
 396                         return null;
 397
 398                 }
 399
 400
 401                 public void fetchAll()
 402                 {
 403                         this.loadLocalBranches();
 404                         this.loadRemoteHeads();
 405
 406                         // remotes probably will not work with http auth..
 407                         //var ar = this.repo.list_remotes();
 408                         //foreach(var n in ar) {
 409                         var n = "origin";
 410
 411                                 GLib.debug("got remote '%s'", n);
 412                                 var r = this.repo.lookup_remote(n);
 413                                 GLib.debug("connecting '%s'", r.get_url());
 414
 415                                 try {
 416                                         string[] h = { "a = 1" };
 417                                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
 418
 419                                 } catch (Error e) {
 420                                         GLib.debug("Got Error Message: %s", e.message);
 421                                         return;
 422                                 }
 423                                 string[] far = {};
 424
 425                                 foreach(var rh in this.remote_heads) {
 426                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 427                                                    continue;
 428                                          }
 429
 430                                         var br = this.getBranch(n, rh.get_name());
 431
 432                                         /*GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 433                                                 rh.get_name(),
 434                                                 rh.get_oid().to_string(),
 435                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 436                                         );
 437                                         */
 438                                         //var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 439
 440                                         var loc_oid = br.get_target();
 441
 442                                         size_t ahead, behind;
 443                                         this.repo.get_ahead_behind(
 444                                                 loc_oid,
 445                                                 rh.get_oid(),
 446                                                 out ahead,
 447                                                 out behind
 448                                         );
 449
 450                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 451                                                 continue;
 452                                         }
 453                                         if (ahead > 0) {
 454                                                 continue;
 455                                         }
 456                                         far += ("+refs/heads/" + br.get_name()) + ":refs/remotes/" + n + "/" + rh.get_name().replace("refs/heads/","");
 457                                 }
 458
 459                                 if (far.length < 1) {
 460                                         GLib.debug("no fetch required.. it's uptodate");
 461                                         r.disconnect();
 462                                         return;
 463                                 }
 464
 465                                 GLib.debug("getting remote specs '%s', %d", n, far.length);
 466
 467 /*
 468                                 var far = r.get_fetch_specs();
 469                                 */
 470                                 foreach(var rs in far) {
 471                                         GLib.debug("got remote spec: %s", rs);
 472
 473                                 }
 474
 475                                 var options = new Ggit.FetchOptions();
 476                                 options.set_remote_callbacks(this.callbacks);
 477                                 //yield Async.thread(() => {
 478
 479                                         r.download(far, options);
 480                                 //});
 481                                 r.disconnect();
 482
 483                                 //r.download(
 484
 485
 486                 }
 487
 488
 489
 490                 public void pushAll()
 491                 {
 492
 493                         this.loadLocalBranches();
 494                         this.loadRemoteHeads();
 495                         // remotes probably will not work with http auth..
 496                         //var ar = this.repo.list_remotes();
 497                         var n = "origin";
 498
 499                                 GLib.debug("got remote '%s'", n);
 500                                 var r = this.repo.lookup_remote(n);
 501                                 GLib.debug("connecting '%s'", r.get_url());
 502
 503                                 r.connect(Ggit.Direction.PUSH, this.callbacks, null, null);
 504
 505                                 //GLib.debug("getting specs '%s'", n);
 506                                 /*
 507
 508                                 this.repo.add_remote_push(
 509                                         "origin",
 510                                         "+%s:%s".printf(head.get_shorthand(),head.get_name())
 511                                 );
 512  */
 513
 514                                 string[] far = {};
 515                                 var heads = r.list();
 516                                 foreach(var rh in heads) {
 517                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 518                                                    continue;
 519                                          }
 520
 521                                         var br = this.getBranch(n, rh.get_name());
 522                                         /*
 523                                         GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 524                                                 rh.get_name(),
 525                                                 rh.get_oid().to_string(),
 526                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 527                                         );*/
 528                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 529                                         size_t ahead, behind;
 530                                         this.repo.get_ahead_behind(
 531                                                 loc_oid,
 532                                                 rh.get_oid(),
 533                                                 out ahead,
 534                                                 out behind
 535                                         );
 536
 537                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 538                                                 continue;
 539                                         }
 540                                         if (behind > 0) {
 541                                                 continue;
 542                                         }
 543                                         far += ("+refs/heads/" + br.get_name()) + ":"+ rh.get_name();
 544                                 }
 545
 546                                 if (far.length < 1) {
 547                                         GLib.debug("no push required.. it's uptodate");
 548                                         r.disconnect();
 549                                         return;
 550                                 }
 551
 552                                 /*var head = this.repo.get_head();
 553                                 string[] far = {};
 554                                 far += "+%s:%s".printf(head.get_name(),head.get_name());
 555                                 */
 556                                 foreach(var rs in far) {
 557                                         GLib.debug("got remote spec: %s", rs);
 558
 559                                 }
 560
 561                                 var popts = new Ggit.PushOptions();
 562                                  popts.callbacks = this.callbacks;
 563                                 GLib.debug("Push?");
 564                                 r.upload(far,popts);
 565                                 GLib.debug("Push done?");
 566                                 r.disconnect();
 567
 568
 569                                 //r.download(
 570
 571
 572                 }
 573
 574
 575
 576         }
 577
 578         private class Callbacks : Ggit.RemoteCallbacks
 579         {
 580                 //private Remote d_remote;
 581                 private Ggit.RemoteCallbacks? d_proxy = null;
 582
 583                 public delegate void TransferProgress(Ggit.TransferProgress stats);
 584                 //private TransferProgress? d_transfer_progress;
 585
 586                 public Callbacks( Repo repo)  //, Ggit.RemoteCallbacks? proxy) //,Remote remote, owned TransferProgress? transfer_progress)
 587                 {
 588                         //d_remote = remote;
 589                         //d_proxy = proxy;
 590                         //d_transfer_progress = (owned)transfer_progress;
 591                 }
 592
 593                 protected override void progress(string message)
 594                 {
 595                         GLib.debug("progress: %s", message);
 596                         if (d_proxy != null)
 597                         {
 598                                 d_proxy.progress(message);
 599                         }
 600                 }
 601
 602                 protected override void transfer_progress(Ggit.TransferProgress stats)
 603                 {
 604                         GLib.debug("transfer_progress");
 605                         /*
 606                         if (d_transfer_progress != null)
 607                         {
 608                                 d_transfer_progress(stats);
 609                         }
 610
 611                         if (d_proxy != null)
 612                         {
 613                                 d_proxy.transfer_progress(stats);
 614                         }
 615                         */
 616                 }
 617
 618                 protected override void update_tips(string refname, Ggit.OId a, Ggit.OId b)
 619                 {
 620                         GLib.debug("update_tips");
 621                         //d_remote.tip_updated(refname, a, b);
 622
 623                         if (d_proxy != null)
 624                         {
 625                                 d_proxy.update_tips(refname, a, b);
 626                         }
 627                 }
 628
 629                 protected override void completion(Ggit.RemoteCompletionType type)
 630                 {
 631                         GLib.debug("completion");
 632                         if (d_proxy != null)
 633                         {
 634                                 d_proxy.completion(type);
 635                         }
 636                 }
 637
 638                 protected override Ggit.Cred? credentials(string url, string? username_from_url, Ggit.Credtype allowed_types) throws Error
 639                 {
 640
 641                         GLib.debug("get credentials %s  UN=%s", url, username_from_url);
 642                         var uri = new Soup.URI(url);
 643
 644                         if (uri != null) {
 645                                 var ret = this.netrc(uri.get_host());
 646                                 if (ret != null) {
 647                                         return ret;
 648                                 }
 649
 650                                 //return new Ggit.CredPlaintext(username_from_url, "test");
 651                         }
 652                         return null;
 653                         /*var provider = d_remote.credentials_provider;
 654
 655                         if (provider != null)
 656                         {
 657                                 ret = provider.credentials(url, username_from_url, allowed_types);
 658                         }
 659
 660                         if (ret == null && d_proxy != null)
 661                         {
 662                                 ret = d_proxy.credentials(url, username_from_url, allowed_types);
 663                         }
 664
 665                         return ret;
 666                         */
 667                 }
 668                 public  Ggit.Cred netrc(string domain)
 669                 {
 670                         string str;
 671                         GLib.FileUtils.get_contents(GLib.Environment.get_home_dir() + "/.netrc", out str);
 672                         var lines = str.split("\n");
 673                         for(var i=0; i< lines.length; i++) {
 674                                 // assumes one line per entry.. if not we are buggered...
 675                                 //GLib.debug("got %s" , lines[i]);
 676
 677                                 var bits =  Regex.split_simple ("[ \t]+", lines[i].strip());
 678                                 if (bits.length < 6 || bits[0] != "machine" || bits[1] != domain) {
 679                                         continue;
 680                                 }
 681                                 GLib.debug("found password?");
 682                                 // we are gussing....
 683                                 return new Ggit.CredPlaintext(bits[3], bits[5]);
 684
 685                         }
 686                         return null;
 687
 688
 689
 690
 691                 }
 692
 693         }
 694
 695
 696
 697 }