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