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