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