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