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