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