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