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.walkDiff();
  24         return;
  25         a.is_managed();
  26         a.is_autocommit();
  27         a.loadLocalBranches();
  28         a.loadRemoteHeads();
  29         a.fetchAll();
  30         //
  31         /*
  32         var a = new GitLive.Repo("/home/alan/git/test1-clone");
  33         //a.fetchAll();
  34         var str = (new GLib.DateTime.now_utc()).format("%Y-%m-%d %H:%M:%S");
  35         GLib.FileUtils.set_contents("/home/alan/git/test1-clone/test1",  str);
  36
  37         var ix = a.repo.get_index();
  38         ix.add_path("test1");
  39         ix.write();
  40         var treeoid = ix.write_tree();
  41
  42         var head = a.repo.get_head();
  43         var parent = head.lookup() as Ggit.Commit;
  44         Ggit.Commit[] parents = (parent == null) ?
  45                 new Ggit.Commit[] {} :
  46                 new Ggit.Commit[] { parent };
  47
  48         var tree = a.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;// odd format..
  49
  50         var sig = new Ggit.Signature.now("Alan Knowles", "alan@roojs.com");
  51         a.repo.create_commit("HEAD", sig, sig, null, "test commit " + str, tree, parents);
  52         */
  53         // mmh.. no git add/commit in library...
  54 //      string[] spawn_args = {"git", "commit", "-m", "test", "-a"};
  55         //string[] spawn_env = Environ.get ();
  56 //      Process.spawn_sync ("/home/alan/git/test1-clone", spawn_args, spawn_env, SpawnFlags.SEARCH_PATH, null);
  57
  58         a.pushAll();
  59 }
  60
  61
  62 namespace  GitLive {
  63
  64         public class Repo : Object {
  65
  66                 string name = "";
  67                 public Ggit.Repository  repo;
  68                 Callbacks callbacks;
  69
  70                 public Repo(string path)
  71                 {
  72                         this.name = GLib.Path.get_basename(path);
  73                         this.repo = Ggit.Repository.open(GLib.File.new_for_path(path));
  74                         this.callbacks = new Callbacks(this);
  75
  76                 }
  77                 Ggit.Branch                                             head = null;
  78             Gee.ArrayList<Ggit.Branch>          branches = null;
  79             Ggit.RemoteHead[]                           remote_heads = null;
  80                 public void loadLocalBranches(bool force = false)
  81                 {
  82                         if (!force && this.branches != null) {
  83                                 return;
  84                         }
  85
  86                         this.branches =  new Gee.ArrayList<Ggit.Branch>();
  87                         var r = this.repo.enumerate_branches(Ggit.BranchType.LOCAL);
  88                         while (r.next()) {
  89                                 var br = r.get() as Ggit.Branch;
  90                                 //var head = this.repo.revparse("refs/heads/" + br.get_name() ).get_id();
  91                                 //var rhead = this.repo.revparse(br.get_upstream().get_name() ).get_id();
  92                                 //GLib.debug("got branch: name = %s upstream = %s oid = %s ",
  93                                 //              br.get_name(), br.get_upstream().get_name(),
  94                                 //              head.to_string());
  95                                 this.branches.add(br);
  96                                 if (br.is_head()) {
  97                                         GLib.debug("HEAD= %s", br.get_name());
  98                                         this.head = br;
  99                                 }
 100
 101                         }
 102
 103
 104                 }
 105
 106                 public bool is_managed()
 107                 {
 108                         GLib.debug("is_managed: %d", this.repo.get_config().get_int32("gitlive.managed"));
 109                         return this.repo.get_config().get_int32("gitlive.managed") == 1;
 110                 }
 111
 112
 113                 public bool is_autocommit ()
 114                 {
 115                         GLib.debug("is_autocommit: %d", this.repo.get_config().get_int32("gitlive.autocommit"));
 116                         return this.repo.get_config().get_int32("gitlive.autocommit") == 1;
 117                 }
 118                 public void set_autocommit(bool val)
 119                 {
 120                         this.repo.get_config().set_int32("gitlive.autocommit", val ? 1 : 0);
 121
 122                 }
 123
 124                 public void walkDiff()
 125                 {
 126                         this.loadLocalBranches();
 127
 128                         var oid =  this.repo.revparse(this.head.get_name() ).get_id()  ;
 129                         var moid =  this.repo.revparse("refs/heads/master" ).get_id()  ;
 130
 131                         var a = new Ggit.RevisionWalker(this.repo);
 132                         a.set_sort_mode(Ggit.SortMode.TOPOLOGICAL);
 133                         a.push(oid);
 134                         a.hide(moid);
 135                         var last = oid;
 136                         for (var noid = a.next(); noid != null; noid= a.next()) {
 137                                 //var commit = this.repo.lookup(noid, typeof(Ggit.Commit)) as Ggit.Commit;
 138                                 GLib.debug("rev: %s",
 139                                         noid.to_string()
 140                                 );
 141                                 last = noid;
 142                         }
 143                         var commit = this.repo.lookup(last, typeof(Ggit.Commit)) as Ggit.Commit;
 144                         var parent = commit.get_parents();
 145                         GLib.debug("parent = %s", parent.get_id(0).to_string());
 146                         var master_rev =  parent.get_id(0);
 147                         var master_commit  = this.repo.lookup_commit(master_rev);;
 148
 149                         var head_commit = this.repo.lookup_commit(oid);
 150
 151                         var master_tree = master_commit.get_tree();
 152                         var head_tree = head_commit.get_tree();
 153
 154                         var diff = new Ggit.Diff.tree_to_tree(this.repo, master_tree, head_tree, new Ggit.DiffOptions());
 155
 156                         diff.print(Ggit.DiffFormatType.PATCH, ( delta,  hunk,  line) => {
 157                                 GLib.debug("%d: %s, %s", line.get_new_lineno(), line.get_origin().to_string(), line.get_text());
 158                                 return 0;
 159                         });
 160                         // let's try a merge..
 161                         var mo = new Ggit.MergeOptions();
 162                         mo.set_file_favor(Ggit.MergeFileFavor.THEIRS);
 163                         var ix = this.repo.merge_trees(master_tree, master_tree, head_tree, mo);
 164
 165                         if (ix.has_conflicts()) {
 166                                 GLib.debug("merge has conflicts");
 167                                 return;
 168                         }
 169                          var treeoid = ix.write_tree();
 170
 171
 172
 173                         var parents =   new Ggit.Commit[] { master_commit };
 174
 175
 176                         var new_tree = this.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;
 177
 178                         var sig = new Ggit.Signature.now(
 179                                         this.repo.get_config().get_string("user.name"),
 180                                         this.repo.get_config().get_string("user.email")
 181                         );
 182                         this.repo.create_commit("HEAD", sig, sig, null, "Test Merge", new_tree, parents);
 183
 184
 185
 186
 187
 188                 }
 189                 public void mergeMasterIntoHead()
 190                 {
 191                         // assumes head is not master...
 192                         var head_oid =  this.repo.revparse(this.head.get_name() ).get_id()  ;
 193                         var master_oid =  this.repo.revparse("refs/heads/master" ).get_id()  ;
 194
 195                         var master_commit  = this.repo.lookup_commit(master_oid);;
 196                         var head_commit = this.repo.lookup_commit(head_oid);
 197
 198
 199                         var anc_oid = this.repo.merge_base(master_commit.get_id(), head_commit.get_id());
 200
 201                         var anc_commit = this.repo.lookup_commit(anc_oid);
 202                         var anc_tree = anc_commit.get_tree();
 203
 204                         var master_tree = master_commit.get_tree();
 205                         var head_tree = head_commit.get_tree();
 206                         var mo = new Ggit.MergeOptions();
 207                         mo.set_file_favor(Ggit.MergeFileFavor.THEIRS);
 208                         var ix  = this.repo.merge_trees(anc_tree, master_tree, head_tree, mo);
 209
 210
 211                 }
 212
 213
 214                 /*
 215                 public bool doMergeClose(string commit_message)
 216                 {
 217                         this.loadLocalBranches(true);
 218                         var oldbranch = this.head.get_name();
 219             // going to asume this is merge trees..
 220                            string [] cmd = { "merge",   "--squash",  oldbranch };
 221                            this.git( cmd );
 222                            cmd = { "commit",   "-a" , "-m",  commit_message };
 223                            this.git( cmd );
 224                            this.push();
 225                            this.loadBranches(); // updates lastrev..
 226
 227                        var notification = new Notify.Notification(
 228                                "Merged branch %s to %s".printf(oldbranch, master),
 229                                "",
 230                                 "dialog-information"
 231
 232                        );
 233
 234                        notification.set_timeout(5);
 235                        notification.show();
 236
 237
 238                 }
 239                 */
 240
 241
 242                 public bool is_auto_branch ()
 243                 {
 244                         if (this.name == "gitlog") {
 245                                 return false;
 246                         }
 247                         // check remote...
 248                         if (this.is_managed()) {
 249                                 return true;
 250                         }
 251                         return false;
 252
 253
 254                 }
 255
 256                 public void loadRemoteHeads(bool force = false)
 257                 {
 258
 259                         if (!force && this.remote_heads != null) {
 260                                 return;
 261                         }
 262                         var r = this.repo.lookup_remote("origin");
 263                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
 264                         this.remote_heads = r.list();
 265
 266                 }
 267
 268
 269
 270                 Ggit.Branch? getBranch(string remote_name, string remote_branch_name)
 271                 {
 272                          //GLib.debug("bn=%s",remote_branch_name);
 273                          if (remote_branch_name.has_prefix("refs/remotes/")) {
 274                                  return null;
 275                          }
 276
 277                          var target = remote_branch_name.replace("refs/heads/", remote_name+"/") .replace("refs/remotes/", "");
 278                         if (target == "HEAD") {
 279                                 target = remote_name +"/master";
 280                         }
 281
 282                         foreach(var br in this.branches) {
 283                         //      GLib.debug("test:%s=%s", br.get_upstream().get_shorthand() , target);
 284                                 if ( br.get_upstream().get_shorthand() == target) {
 285                                         return br;
 286                                 }
 287
 288                         }
 289                         //GLib.debug("missing %s", remote_branch_name);
 290                         return null;
 291
 292                 }
 293
 294
 295                 public void fetchAll()
 296                 {
 297                         this.loadLocalBranches();
 298                         this.loadRemoteHeads();
 299
 300                         // remotes probably will not work with http auth..
 301                         //var ar = this.repo.list_remotes();
 302                         //foreach(var n in ar) {
 303                         var n = "origin";
 304
 305                                 GLib.debug("got remote '%s'", n);
 306                                 var r = this.repo.lookup_remote(n);
 307                                 GLib.debug("connecting '%s'", r.get_url());
 308
 309                                 try {
 310                                         string[] h = { "a = 1" };
 311                                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
 312
 313                                 } catch (Error e) {
 314                                         GLib.debug("Got Error Message: %s", e.message);
 315                                         return;
 316                                 }
 317                                 string[] far = {};
 318
 319                                 foreach(var rh in this.remote_heads) {
 320                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 321                                                    continue;
 322                                          }
 323
 324                                         var br = this.getBranch(n, rh.get_name());
 325
 326                                         /*GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 327                                                 rh.get_name(),
 328                                                 rh.get_oid().to_string(),
 329                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 330                                         );
 331                                         */
 332                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 333                                         size_t ahead, behind;
 334                                         this.repo.get_ahead_behind(
 335                                                 loc_oid,
 336                                                 rh.get_oid(),
 337                                                 out ahead,
 338                                                 out behind
 339                                         );
 340
 341                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 342                                                 continue;
 343                                         }
 344                                         if (ahead > 0) {
 345                                                 continue;
 346                                         }
 347                                         far += ("+refs/heads/" + br.get_name()) + ":refs/remotes/" + n + "/" + rh.get_name().replace("refs/heads/","");
 348                                 }
 349
 350                                 if (far.length < 1) {
 351                                         GLib.debug("no fetch required.. it's uptodate");
 352                                         r.disconnect();
 353                                         return;
 354                                 }
 355
 356                                 GLib.debug("getting remote specs '%s', %d", n, far.length);
 357
 358 /*
 359                                 var far = r.get_fetch_specs();
 360                                 */
 361                                 foreach(var rs in far) {
 362                                         GLib.debug("got remote spec: %s", rs);
 363
 364                                 }
 365
 366                                 var options = new Ggit.FetchOptions();
 367                                 options.set_remote_callbacks(this.callbacks);
 368                                 //yield Async.thread(() => {
 369
 370                                         r.download(far, options);
 371                                 //});
 372                                 r.disconnect();
 373
 374                                 //r.download(
 375
 376
 377                 }
 378
 379
 380
 381                 public void pushAll()
 382                 {
 383
 384                         this.loadLocalBranches();
 385                         this.loadRemoteHeads();
 386                         // remotes probably will not work with http auth..
 387                         //var ar = this.repo.list_remotes();
 388                         var n = "origin";
 389
 390                                 GLib.debug("got remote '%s'", n);
 391                                 var r = this.repo.lookup_remote(n);
 392                                 GLib.debug("connecting '%s'", r.get_url());
 393
 394                                 r.connect(Ggit.Direction.PUSH, this.callbacks, null, null);
 395
 396                                 //GLib.debug("getting specs '%s'", n);
 397                                 /*
 398
 399                                 this.repo.add_remote_push(
 400                                         "origin",
 401                                         "+%s:%s".printf(head.get_shorthand(),head.get_name())
 402                                 );
 403  */
 404
 405                                 string[] far = {};
 406                                 var heads = r.list();
 407                                 foreach(var rh in heads) {
 408                                         if (rh.get_name().has_prefix("refs/remotes/")) {
 409                                                    continue;
 410                                          }
 411
 412                                         var br = this.getBranch(n, rh.get_name());
 413                                         /*
 414                                         GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
 415                                                 rh.get_name(),
 416                                                 rh.get_oid().to_string(),
 417                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
 418                                         );*/
 419                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
 420                                         size_t ahead, behind;
 421                                         this.repo.get_ahead_behind(
 422                                                 loc_oid,
 423                                                 rh.get_oid(),
 424                                                 out ahead,
 425                                                 out behind
 426                                         );
 427
 428                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
 429                                                 continue;
 430                                         }
 431                                         if (behind > 0) {
 432                                                 continue;
 433                                         }
 434                                         far += ("+refs/heads/" + br.get_name()) + ":"+ rh.get_name();
 435                                 }
 436
 437                                 if (far.length < 1) {
 438                                         GLib.debug("no push required.. it's uptodate");
 439                                         r.disconnect();
 440                                         return;
 441                                 }
 442
 443                                 /*var head = this.repo.get_head();
 444                                 string[] far = {};
 445                                 far += "+%s:%s".printf(head.get_name(),head.get_name());
 446                                 */
 447                                 foreach(var rs in far) {
 448                                         GLib.debug("got remote spec: %s", rs);
 449
 450                                 }
 451
 452                                 var popts = new Ggit.PushOptions();
 453                                  popts.callbacks = this.callbacks;
 454                                 GLib.debug("Push?");
 455                                 r.upload(far,popts);
 456                                 GLib.debug("Push done?");
 457                                 r.disconnect();
 458
 459
 460                                 //r.download(
 461
 462
 463                 }
 464
 465
 466
 467         }
 468
 469         private class Callbacks : Ggit.RemoteCallbacks
 470         {
 471                 //private Remote d_remote;
 472                 private Ggit.RemoteCallbacks? d_proxy = null;
 473
 474                 public delegate void TransferProgress(Ggit.TransferProgress stats);
 475                 //private TransferProgress? d_transfer_progress;
 476
 477                 public Callbacks( Repo repo)  //, Ggit.RemoteCallbacks? proxy) //,Remote remote, owned TransferProgress? transfer_progress)
 478                 {
 479                         //d_remote = remote;
 480                         //d_proxy = proxy;
 481                         //d_transfer_progress = (owned)transfer_progress;
 482                 }
 483
 484                 protected override void progress(string message)
 485                 {
 486                         GLib.debug("progress: %s", message);
 487                         if (d_proxy != null)
 488                         {
 489                                 d_proxy.progress(message);
 490                         }
 491                 }
 492
 493                 protected override void transfer_progress(Ggit.TransferProgress stats)
 494                 {
 495                         GLib.debug("transfer_progress");
 496                         /*
 497                         if (d_transfer_progress != null)
 498                         {
 499                                 d_transfer_progress(stats);
 500                         }
 501
 502                         if (d_proxy != null)
 503                         {
 504                                 d_proxy.transfer_progress(stats);
 505                         }
 506                         */
 507                 }
 508
 509                 protected override void update_tips(string refname, Ggit.OId a, Ggit.OId b)
 510                 {
 511                         GLib.debug("update_tips");
 512                         //d_remote.tip_updated(refname, a, b);
 513
 514                         if (d_proxy != null)
 515                         {
 516                                 d_proxy.update_tips(refname, a, b);
 517                         }
 518                 }
 519
 520                 protected override void completion(Ggit.RemoteCompletionType type)
 521                 {
 522                         GLib.debug("completion");
 523                         if (d_proxy != null)
 524                         {
 525                                 d_proxy.completion(type);
 526                         }
 527                 }
 528
 529                 protected override Ggit.Cred? credentials(string url, string? username_from_url, Ggit.Credtype allowed_types) throws Error
 530                 {
 531
 532                         GLib.debug("get credentials %s  UN=%s", url, username_from_url);
 533                         var uri = new Soup.URI(url);
 534
 535                         if (uri != null) {
 536                                 var ret = this.netrc(uri.get_host());
 537                                 if (ret != null) {
 538                                         return ret;
 539                                 }
 540
 541                                 //return new Ggit.CredPlaintext(username_from_url, "test");
 542                         }
 543                         return null;
 544                         /*var provider = d_remote.credentials_provider;
 545
 546                         if (provider != null)
 547                         {
 548                                 ret = provider.credentials(url, username_from_url, allowed_types);
 549                         }
 550
 551                         if (ret == null && d_proxy != null)
 552                         {
 553                                 ret = d_proxy.credentials(url, username_from_url, allowed_types);
 554                         }
 555
 556                         return ret;
 557                         */
 558                 }
 559                 public  Ggit.Cred netrc(string domain)
 560                 {
 561                         string str;
 562                         GLib.FileUtils.get_contents(GLib.Environment.get_home_dir() + "/.netrc", out str);
 563                         var lines = str.split("\n");
 564                         for(var i=0; i< lines.length; i++) {
 565                                 // assumes one line per entry.. if not we are buggered...
 566                                 //GLib.debug("got %s" , lines[i]);
 567
 568                                 var bits =  Regex.split_simple ("[ \t]+", lines[i].strip());
 569                                 if (bits.length < 6 || bits[0] != "machine" || bits[1] != domain) {
 570                                         continue;
 571                                 }
 572                                 GLib.debug("found password?");
 573                                 // we are gussing....
 574                                 return new Ggit.CredPlaintext(bits[3], bits[5]);
 575
 576                         }
 577                         return null;
 578
 579
 580
 581
 582                 }
 583
 584         }
 585
 586
 587
 588 }