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