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