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                                         head.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                 }
 299
 300
 301
 302                 Ggit.Branch? getBranch(string remote_name, string remote_branch_name)
 303                 {
 304                          //GLib.debug("bn=%s",remote_branch_name);
 305                          if (remote_branch_name.has_prefix("refs/remotes/")) {
 306                                  return null;
 307                          }
 308
 309                          var target = remote_branch_name.replace("refs/heads/", remote_name+"/") .replace("refs/remotes/", "");
 310                         if (target == "HEAD") {
 311                                 target = remote_name +"/master";
 312                         }
 313
 314                         foreach(var br in this.branches) {
 315                         //      GLib.debug("test:%s=%s", br.get_upstream().get_shorthand() , target);
 316                                 if ( br.get_upstream().get_shorthand() == target) {
 317                                         return br;
 318                                 }
 319
 320                         }
 321                         //GLib.debug("missing %s", remote_branch_name);
 322                         return null;
 323
 324                 }
 325
 326
 327                 public void fetchAll()
 328                 {
 329                         this.loadLocalBranches();
 330                         this.loadRemoteHeads();
 331
 332                         // remotes probably will not work with http auth..
 333                         //var ar = this.repo.list_remotes();
 334                         //foreach(var n in ar) {
 335                         var n = "origin";
 336
 337                                 GLib.debug("got remote '%s'", n);
 338                                 var r = this.repo.lookup_remote(n);
 339                                 GLib.debug("connecting '%s'", r.get_url());
 340
 341                                 try {
 342                                         string[] h = { "a = 1" };
 343                                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
 344
 345                                 } catch (Error e) {
 346                                         GLib.debug("Got Error Message: %s", e.message);
 347                                         return;
 348                                 }
 349                                 string[] far = {};
 350
 351                                 foreach(var rh in this.remote_heads) {
 352                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 353                                                    continue;
 354                                          }
 355
 356                                         var br = this.getBranch(n, rh.get_name());
 357
 358                                         /*GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 359                                                 rh.get_name(),
 360                                                 rh.get_oid().to_string(),
 361                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 362                                         );
 363                                         */
 364                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 365                                         size_t ahead, behind;
 366                                         this.repo.get_ahead_behind(
 367                                                 loc_oid,
 368                                                 rh.get_oid(),
 369                                                 out ahead,
 370                                                 out behind
 371                                         );
 372
 373                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 374                                                 continue;
 375                                         }
 376                                         if (ahead > 0) {
 377                                                 continue;
 378                                         }
 379                                         far += ("+refs/heads/" + br.get_name()) + ":refs/remotes/" + n + "/" + rh.get_name().replace("refs/heads/","");
 380                                 }
 381
 382                                 if (far.length < 1) {
 383                                         GLib.debug("no fetch required.. it's uptodate");
 384                                         r.disconnect();
 385                                         return;
 386                                 }
 387
 388                                 GLib.debug("getting remote specs '%s', %d", n, far.length);
 389
 390 /*
 391                                 var far = r.get_fetch_specs();
 392                                 */
 393                                 foreach(var rs in far) {
 394                                         GLib.debug("got remote spec: %s", rs);
 395
 396                                 }
 397
 398                                 var options = new Ggit.FetchOptions();
 399                                 options.set_remote_callbacks(this.callbacks);
 400                                 //yield Async.thread(() => {
 401
 402                                         r.download(far, options);
 403                                 //});
 404                                 r.disconnect();
 405
 406                                 //r.download(
 407
 408
 409                 }
 410
 411
 412
 413                 public void pushAll()
 414                 {
 415
 416                         this.loadLocalBranches();
 417                         this.loadRemoteHeads();
 418                         // remotes probably will not work with http auth..
 419                         //var ar = this.repo.list_remotes();
 420                         var n = "origin";
 421
 422                                 GLib.debug("got remote '%s'", n);
 423                                 var r = this.repo.lookup_remote(n);
 424                                 GLib.debug("connecting '%s'", r.get_url());
 425
 426                                 r.connect(Ggit.Direction.PUSH, this.callbacks, null, null);
 427
 428                                 //GLib.debug("getting specs '%s'", n);
 429                                 /*
 430
 431                                 this.repo.add_remote_push(
 432                                         "origin",
 433                                         "+%s:%s".printf(head.get_shorthand(),head.get_name())
 434                                 );
 435  */
 436
 437                                 string[] far = {};
 438                                 var heads = r.list();
 439                                 foreach(var rh in heads) {
 440                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 441                                                    continue;
 442                                          }
 443
 444                                         var br = this.getBranch(n, rh.get_name());
 445                                         /*
 446                                         GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 447                                                 rh.get_name(),
 448                                                 rh.get_oid().to_string(),
 449                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 450                                         );*/
 451                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 452                                         size_t ahead, behind;
 453                                         this.repo.get_ahead_behind(
 454                                                 loc_oid,
 455                                                 rh.get_oid(),
 456                                                 out ahead,
 457                                                 out behind
 458                                         );
 459
 460                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 461                                                 continue;
 462                                         }
 463                                         if (behind > 0) {
 464                                                 continue;
 465                                         }
 466                                         far += ("+refs/heads/" + br.get_name()) + ":"+ rh.get_name();
 467                                 }
 468
 469                                 if (far.length < 1) {
 470                                         GLib.debug("no push required.. it's uptodate");
 471                                         r.disconnect();
 472                                         return;
 473                                 }
 474
 475                                 /*var head = this.repo.get_head();
 476                                 string[] far = {};
 477                                 far += "+%s:%s".printf(head.get_name(),head.get_name());
 478                                 */
 479                                 foreach(var rs in far) {
 480                                         GLib.debug("got remote spec: %s", rs);
 481
 482                                 }
 483
 484                                 var popts = new Ggit.PushOptions();
 485                                  popts.callbacks = this.callbacks;
 486                                 GLib.debug("Push?");
 487                                 r.upload(far,popts);
 488                                 GLib.debug("Push done?");
 489                                 r.disconnect();
 490
 491
 492                                 //r.download(
 493
 494
 495                 }
 496
 497
 498
 499         }
 500
 501         private class Callbacks : Ggit.RemoteCallbacks
 502         {
 503                 //private Remote d_remote;
 504                 private Ggit.RemoteCallbacks? d_proxy = null;
 505
 506                 public delegate void TransferProgress(Ggit.TransferProgress stats);
 507                 //private TransferProgress? d_transfer_progress;
 508
 509                 public Callbacks( Repo repo)  //, Ggit.RemoteCallbacks? proxy) //,Remote remote, owned TransferProgress? transfer_progress)
 510                 {
 511                         //d_remote = remote;
 512                         //d_proxy = proxy;
 513                         //d_transfer_progress = (owned)transfer_progress;
 514                 }
 515
 516                 protected override void progress(string message)
 517                 {
 518                         GLib.debug("progress: %s", message);
 519                         if (d_proxy != null)
 520                         {
 521                                 d_proxy.progress(message);
 522                         }
 523                 }
 524
 525                 protected override void transfer_progress(Ggit.TransferProgress stats)
 526                 {
 527                         GLib.debug("transfer_progress");
 528                         /*
 529                         if (d_transfer_progress != null)
 530                         {
 531                                 d_transfer_progress(stats);
 532                         }
 533
 534                         if (d_proxy != null)
 535                         {
 536                                 d_proxy.transfer_progress(stats);
 537                         }
 538                         */
 539                 }
 540
 541                 protected override void update_tips(string refname, Ggit.OId a, Ggit.OId b)
 542                 {
 543                         GLib.debug("update_tips");
 544                         //d_remote.tip_updated(refname, a, b);
 545
 546                         if (d_proxy != null)
 547                         {
 548                                 d_proxy.update_tips(refname, a, b);
 549                         }
 550                 }
 551
 552                 protected override void completion(Ggit.RemoteCompletionType type)
 553                 {
 554                         GLib.debug("completion");
 555                         if (d_proxy != null)
 556                         {
 557                                 d_proxy.completion(type);
 558                         }
 559                 }
 560
 561                 protected override Ggit.Cred? credentials(string url, string? username_from_url, Ggit.Credtype allowed_types) throws Error
 562                 {
 563
 564                         GLib.debug("get credentials %s  UN=%s", url, username_from_url);
 565                         var uri = new Soup.URI(url);
 566
 567                         if (uri != null) {
 568                                 var ret = this.netrc(uri.get_host());
 569                                 if (ret != null) {
 570                                         return ret;
 571                                 }
 572
 573                                 //return new Ggit.CredPlaintext(username_from_url, "test");
 574                         }
 575                         return null;
 576                         /*var provider = d_remote.credentials_provider;
 577
 578                         if (provider != null)
 579                         {
 580                                 ret = provider.credentials(url, username_from_url, allowed_types);
 581                         }
 582
 583                         if (ret == null && d_proxy != null)
 584                         {
 585                                 ret = d_proxy.credentials(url, username_from_url, allowed_types);
 586                         }
 587
 588                         return ret;
 589                         */
 590                 }
 591                 public  Ggit.Cred netrc(string domain)
 592                 {
 593                         string str;
 594                         GLib.FileUtils.get_contents(GLib.Environment.get_home_dir() + "/.netrc", out str);
 595                         var lines = str.split("\n");
 596                         for(var i=0; i< lines.length; i++) {
 597                                 // assumes one line per entry.. if not we are buggered...
 598                                 //GLib.debug("got %s" , lines[i]);
 599
 600                                 var bits =  Regex.split_simple ("[ \t]+", lines[i].strip());
 601                                 if (bits.length < 6 || bits[0] != "machine" || bits[1] != domain) {
 602                                         continue;
 603                                 }
 604                                 GLib.debug("found password?");
 605                                 // we are gussing....
 606                                 return new Ggit.CredPlaintext(bits[3], bits[5]);
 607
 608                         }
 609                         return null;
 610
 611
 612
 613
 614                 }
 615
 616         }
 617
 618
 619
 620 }