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