sync
[gitlive] / 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(master_rev, typeof(Ggit.Commit)) as Ggit.Commit;
148                         
149                         var head_commit = this.repo.lookup(oid, typeof(Ggit.Commit)) as Ggit.Commit;
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 1;
159                         });
160                         
161 //                      noid = a.next()
162         //              while (noid != null) {
163                                 
164                                 
165         //                      noid = a.next();
166         //              }
167                         
168                         
169                         
170                 }
171                 
172                 /*
173                 public bool doMergeClose(string commit_message)
174                 {
175                         this.loadLocalBranches(true);
176                         var oldbranch = this.head.get_name();
177             // going to asume this is merge trees..
178                            string [] cmd = { "merge",   "--squash",  oldbranch };
179                            this.git( cmd );
180                            cmd = { "commit",   "-a" , "-m",  commit_message };
181                            this.git( cmd );
182                            this.push();
183                            this.loadBranches(); // updates lastrev..
184                
185                        var notification = new Notify.Notification(
186                                "Merged branch %s to %s".printf(oldbranch, master),
187                                "",
188                                 "dialog-information"
189                                
190                        );
191
192                        notification.set_timeout(5);
193                        notification.show();   
194                
195                 
196                 }
197                 */
198                 
199                 
200                 public bool is_auto_branch ()
201                 {
202                         if (this.name == "gitlog") {
203                                 return false;
204                         }
205                         // check remote...
206                         if (this.is_managed()) {
207                                 return true;
208                         }
209                         return false;
210                         
211          
212                 }
213                 
214                 public void loadRemoteHeads(bool force = false)
215                 {
216                         
217                         if (!force && this.remote_heads != null) {
218                                 return;
219                         }
220                         var r = this.repo.lookup_remote("origin");
221                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
222                         this.remote_heads = r.list();
223                 
224                 }
225                 
226                 
227                 
228                 Ggit.Branch? getBranch(string remote_name, string remote_branch_name)
229                 {
230                          //GLib.debug("bn=%s",remote_branch_name);
231                          if (remote_branch_name.has_prefix("refs/remotes/")) {
232                                  return null;
233                          }
234
235                          var target = remote_branch_name.replace("refs/heads/", remote_name+"/") .replace("refs/remotes/", "");
236                         if (target == "HEAD") {
237                                 target = remote_name +"/master";
238                         }
239                          
240                         foreach(var br in this.branches) {
241                         //      GLib.debug("test:%s=%s", br.get_upstream().get_shorthand() , target);
242                                 if ( br.get_upstream().get_shorthand() == target) {
243                                         return br;
244                                 }
245                                 
246                         }
247                         //GLib.debug("missing %s", remote_branch_name);                 
248                         return null;
249                 
250                 }
251                  
252                 
253                 public void fetchAll()
254                 {
255                         this.loadLocalBranches();
256                         this.loadRemoteHeads();
257                         
258                         // remotes probably will not work with http auth..
259                         //var ar = this.repo.list_remotes();
260                         //foreach(var n in ar) {
261                         var n = "origin"; 
262                         
263                                 GLib.debug("got remote '%s'", n);
264                                 var r = this.repo.lookup_remote(n);
265                                 GLib.debug("connecting '%s'", r.get_url());
266                                  
267                                 try {
268                                         string[] h = { "a = 1" };
269                                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
270                                         
271                                 } catch (Error e) {
272                                         GLib.debug("Got Error Message: %s", e.message);
273                                         return;
274                                 }
275                                 string[] far = {};
276
277                                 foreach(var rh in this.remote_heads) {
278                                         if (rh.get_name().has_prefix("refs/remotes/")) {
279                                                    continue;
280                                          }
281                                 
282                                         var br = this.getBranch(n, rh.get_name());
283                                  
284                                         /*GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
285                                                 rh.get_name(), 
286                                                 rh.get_oid().to_string(),
287                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
288                                         );
289                                         */
290                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
291                                         size_t ahead, behind;
292                                         this.repo.get_ahead_behind(
293                                                 loc_oid,
294                                                 rh.get_oid(),
295                                                 out ahead,
296                                                 out behind
297                                         );
298                                         
299                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
300                                                 continue;
301                                         }
302                                         if (ahead > 0) {
303                                                 continue;
304                                         }
305                                         far += ("+refs/heads/" + br.get_name()) + ":refs/remotes/" + n + "/" + rh.get_name().replace("refs/heads/","");
306                                 } 
307                                 
308                                 if (far.length < 1) {
309                                         GLib.debug("no fetch required.. it's uptodate");
310                                         r.disconnect();
311                                         return;
312                                 }
313                                 
314                                 GLib.debug("getting remote specs '%s', %d", n, far.length);
315                                 
316 /*
317                                 var far = r.get_fetch_specs();
318                                 */
319                                 foreach(var rs in far) {
320                                         GLib.debug("got remote spec: %s", rs);
321                                         
322                                 }
323
324                                 var options = new Ggit.FetchOptions();
325                                 options.set_remote_callbacks(this.callbacks);
326                                 //yield Async.thread(() => {
327         
328                                         r.download(far, options);
329                                 //});
330                                 r.disconnect();
331                                 
332                                 //r.download(
333                          
334                 
335                 }
336                 
337                 
338                 
339                 public void pushAll()
340                 {
341                         
342                         this.loadLocalBranches();
343                         this.loadRemoteHeads();
344                         // remotes probably will not work with http auth..
345                         //var ar = this.repo.list_remotes();
346                         var n = "origin";
347                         
348                                 GLib.debug("got remote '%s'", n);
349                                 var r = this.repo.lookup_remote(n);
350                                 GLib.debug("connecting '%s'", r.get_url());
351                                  
352                                 r.connect(Ggit.Direction.PUSH, this.callbacks, null, null);
353                                 
354                                 //GLib.debug("getting specs '%s'", n);
355                                 /* 
356                                 
357                                 this.repo.add_remote_push(
358                                         "origin",
359                                         "+%s:%s".printf(head.get_shorthand(),head.get_name())
360                                 );
361  */
362  
363                                 string[] far = {};
364                                 var heads = r.list();
365                                 foreach(var rh in heads) {
366                                         if (rh.get_name().has_prefix("refs/remotes/")) {
367                                                    continue;
368                                          }
369                                 
370                                         var br = this.getBranch(n, rh.get_name());
371                                         /*
372                                         GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
373                                                 rh.get_name(), 
374                                                 rh.get_oid().to_string(),
375                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
376                                         );*/
377                                         var loc_oid = this.repo.revparse(br.get_name() ).get_id();
378                                         size_t ahead, behind;
379                                         this.repo.get_ahead_behind(
380                                                 loc_oid,
381                                                 rh.get_oid(),
382                                                 out ahead,
383                                                 out behind
384                                         );
385                                         
386                                         if (rh.get_oid().to_string() == this.repo.revparse(br.get_name() ).get_id().to_string()) {
387                                                 continue;
388                                         }
389                                         if (behind > 0) {
390                                                 continue;
391                                         }
392                                         far += ("+refs/heads/" + br.get_name()) + ":"+ rh.get_name();
393                                 }  
394                                 
395                                 if (far.length < 1) {
396                                         GLib.debug("no push required.. it's uptodate");
397                                         r.disconnect();
398                                         return;
399                                 }
400  
401                                 /*var head = this.repo.get_head();
402                                 string[] far = {};
403                                 far += "+%s:%s".printf(head.get_name(),head.get_name());
404                                 */
405                                 foreach(var rs in far) {
406                                         GLib.debug("got remote spec: %s", rs);
407                                         
408                                 }
409                                         
410                                 var popts = new Ggit.PushOptions();
411                                  popts.callbacks = this.callbacks;
412                                 GLib.debug("Push?");
413                                 r.upload(far,popts);
414                                 GLib.debug("Push done?");
415                                 r.disconnect();
416                                 
417                                 
418                                 //r.download(
419                          
420                 
421                 }
422                 
423                  
424
425         }
426         
427         private class Callbacks : Ggit.RemoteCallbacks
428         {
429                 //private Remote d_remote;
430                 private Ggit.RemoteCallbacks? d_proxy = null;
431
432                 public delegate void TransferProgress(Ggit.TransferProgress stats);
433                 //private TransferProgress? d_transfer_progress;
434
435                 public Callbacks( Repo repo)  //, Ggit.RemoteCallbacks? proxy) //,Remote remote, owned TransferProgress? transfer_progress)
436                 {
437                         //d_remote = remote;
438                         //d_proxy = proxy;
439                         //d_transfer_progress = (owned)transfer_progress;
440                 }
441
442                 protected override void progress(string message)
443                 {
444                         GLib.debug("progress: %s", message);
445                         if (d_proxy != null)
446                         {
447                                 d_proxy.progress(message);
448                         }
449                 }
450
451                 protected override void transfer_progress(Ggit.TransferProgress stats)
452                 {
453                         GLib.debug("transfer_progress");
454                         /*
455                         if (d_transfer_progress != null)
456                         {
457                                 d_transfer_progress(stats);
458                         }
459
460                         if (d_proxy != null)
461                         {
462                                 d_proxy.transfer_progress(stats);
463                         }
464                         */
465                 }
466
467                 protected override void update_tips(string refname, Ggit.OId a, Ggit.OId b)
468                 {
469                         GLib.debug("update_tips");
470                         //d_remote.tip_updated(refname, a, b);
471
472                         if (d_proxy != null)
473                         {
474                                 d_proxy.update_tips(refname, a, b);
475                         }
476                 }
477
478                 protected override void completion(Ggit.RemoteCompletionType type)
479                 {
480                         GLib.debug("completion");
481                         if (d_proxy != null)
482                         {
483                                 d_proxy.completion(type);
484                         }
485                 }
486
487                 protected override Ggit.Cred? credentials(string url, string? username_from_url, Ggit.Credtype allowed_types) throws Error
488                 {
489  
490                         GLib.debug("get credentials %s  UN=%s", url, username_from_url);
491                         var uri = new Soup.URI(url);
492
493                         if (uri != null) {
494                                 var ret = this.netrc(uri.get_host());
495                                 if (ret != null) {
496                                         return ret;
497                                 }
498                                 
499                                 //return new Ggit.CredPlaintext(username_from_url, "test");
500                         }
501                         return null;
502                         /*var provider = d_remote.credentials_provider;
503
504                         if (provider != null)
505                         {
506                                 ret = provider.credentials(url, username_from_url, allowed_types);
507                         }
508
509                         if (ret == null && d_proxy != null)
510                         {
511                                 ret = d_proxy.credentials(url, username_from_url, allowed_types);
512                         }
513                         
514                         return ret;
515                         */
516                 }
517                 public  Ggit.Cred netrc(string domain) 
518                 {
519                         string str;
520                         GLib.FileUtils.get_contents(GLib.Environment.get_home_dir() + "/.netrc", out str);
521                         var lines = str.split("\n");
522                         for(var i=0; i< lines.length; i++) {
523                                 // assumes one line per entry.. if not we are buggered...
524                                 //GLib.debug("got %s" , lines[i]);
525                         
526                                 var bits =  Regex.split_simple ("[ \t]+", lines[i].strip());
527                                 if (bits.length < 6 || bits[0] != "machine" || bits[1] != domain) {
528                                         continue;
529                                 }
530                                 GLib.debug("found password?");
531                                 // we are gussing.... 
532                                 return new Ggit.CredPlaintext(bits[3], bits[5]);
533
534                         }
535                         return null;
536
537
538                 
539                 
540                 }
541                 
542         }
543         
544         
545
546 }