GitMonitor.vala
[gitlive] / GitMonitor.vala
1
2   
3
4 public class GitMonitor : Monitor
5 {
6
7         public static GitMonitor gitmonitor;
8         /**
9          * @property {String} the "gitlive" directory, normally ~/gitlive
10          *  dset by OWNER... - we should do this as a CTOR.
11          *  
12          */
13         public static string gitlive;
14         
15         
16         public Array<GitMonitorQueue> queue ;
17         public bool queueRunning = false;
18         
19         public DateTime lastAdd;
20
21  
22
23         public GitMonitor ()
24         {
25         
26                 this.queue = new Array<GitMonitorQueue>();
27                 GitMonitor.gitmonitor = this;
28                 Timeout.add_full(Priority.LOW, 500, () => {
29
30                         //GLib.debug("TIMEOUT queue length = %d, is_runing = %s\n", (int)this.queue.length , this.queueRunning ? "Y" : "N");
31
32                         //stdout.printf("QL %u: QR: %d\n", this.queue.length, this.queueRunning ? 1 : 0);
33                         if (this.queue.length < 1  || this.queueRunning) {
34                                 return true;
35                         }
36                         
37                         var last = -1 * this.lastAdd.difference(new DateTime.now(new TimeZone.local()));
38  
39                         // stdout.printf("LAST RUN: %s (expect %s) \n" ,
40                         //         last.to_string(),   (5 * TimeSpan.SECOND).to_string() );
41  
42                         if (last < 5 * TimeSpan.SECOND) { // wait 5 seconds before running. ????
43                                 return true;
44                         }
45                         //_this.lastAdd = new Date();
46                         //return 1;
47                 
48                         this.runQueue();
49                         return true; //
50                 });
51                 
52         }
53
54         public new void pauseError(string failure) 
55         {
56         
57                 var notification = new Notify.Notification(
58                           "Git Live ERROR!!",
59                         failure,
60                         "dialog-information"
61                         
62                 );
63                         
64                 notification.set_timeout(60); // show errros for longer
65                 notification.show();
66                 
67         Canberra.Context context;
68         Canberra.Proplist props;
69
70         Canberra.Context.create (out context);
71         Canberra.Proplist.create (out props);
72
73         props.sets (Canberra.PROP_EVENT_ID, "phone-outgoing-busy");
74         props.sets (Canberra.PROP_EVENT_DESCRIPTION, "Gitlive stopped on error");
75  
76
77         context.play_full (0, props, null);
78
79
80                         
81         
82                 this.paused = true;
83                 this.queueRunning = false;
84                 // what does this do to the old one...
85                 this.queue = new Array<GitMonitorQueue> ();
86                 this.stop();
87                 StatusIconA.statusicon.pauseError();
88                 
89                 var m = new Gtk.MessageDialog(null, Gtk.DialogFlags.MODAL,Gtk.MessageType.ERROR,Gtk.ButtonsType.CLOSE,
90                         "A Serious problem occured running git, you will probably have to resolve this manually\n" + 
91                         "Committing is paused now, so fix the problem, close this window, then press start again\n\n\n" + 
92                         failure
93                 );
94                 m.set_keep_above(true);
95                 m.show();
96                 m.set_position(Gtk.WindowPosition.CENTER);
97                 m.response.connect( (id_pressed) => {
98                         m.hide();
99                 });
100                 
101         }
102  
103         public new void pause() {
104                 this.paused = true;
105                 // what does this do to the old one...
106                 this.queue = new Array<GitMonitorQueue> ();
107                 StatusIconA.statusicon.pause();
108
109         }
110         
111         /*
112         public new void resume () {
113                 this.paused = false;
114                 this.queue = new Array<GitMonitorQueue> ();
115                 StatusIconA.statusicon.resume();
116                 
117                 
118         }
119         */
120         /**
121          * Start the monitoring
122          * and run the queue every 500 milliseconds..
123          *
124          */
125         public new void start() 
126         {
127                 StatusIconA.statusicon.refreshing();
128                 
129                  
130                 this.lastAdd = new DateTime.now(new TimeZone.local()); 
131                 
132                 Timeout.add_full(Priority.LOW, 500, () => {
133                         //stdout.printf("GitMonitor.start :: top.length = %u\n", this.top.length);
134                         // call this.monitor on each of 'top'
135                         for(int i = 0; i < this.top.length ; i++) {
136
137                                 this.monitor(this.top.index(i) );
138                         }
139                         StatusIconA.statusicon.resume();
140                     this.paused = false;
141                    
142                         
143                         try {
144
145                           
146                                 var notification = new Notify.Notification(
147                                         "Git Live",
148                                         "%s\nMonitoring %u Directories".printf(GitMonitor.gitlive, this.monitors.length), 
149                                          "dialog-information"
150                                 );
151                 
152                                 notification.set_timeout(5);
153                                 notification.show();
154                         } catch(Error e) {
155                                 GLib.debug("Error sending notification to screen: %s",e.message);
156                         }
157                         return false; // do not keep doing this..
158
159                 });
160                 
161
162                 
163                  
164         }
165
166
167         public new void stop() {
168                 StatusIconA.statusicon.pause();
169                 base.stop();
170         }
171         
172         
173         public new void monitor (string path,  int depth = 0)
174         {
175                 
176                 //var depth = typeof(depth) == 'number'  ? depth *1 : 0;
177                 
178                  
179                 // if we are not at top level.. and there is a .git directory  (it's a submodule .. ignore) 
180                 if (depth > 1 && FileUtils.test(path + "/.git" , FileTest.IS_DIR)) {
181                         return;
182                 }
183                 
184                 if (depth == 1) {
185                         // FIXME - check if repo is flagged as not autocommit..
186                         //var repo = imports.Scm.Repo.Repo.get(path);
187                         //if (!repo || !repo.autocommit()) {
188                         //    return;
189                         //} 
190                 }
191                 
192                 
193                 // check if the repo is to be monitored.
194                 //print("PATH : " + path);
195                 
196                 
197                 base.monitor(path, depth);
198         }
199
200         
201
202         /**
203          * run the queue.
204          * - pulls the items off the queue 
205          *    (as commands run concurrently and new items may get added while it's running)
206          * - runs the queue items
207          * - pushes upstream.
208          * 
209          */
210         public void runQueue()
211         {
212                 
213                 if (this.paused) {
214                         return;
215                 }
216                 GLib.debug("GitMonitor.runQueue\n");
217
218                 this.queueRunning = true;
219
220                 var cmds = new Array<GitMonitorQueue>();
221
222                 for(var i = 0; i < this.queue.length; i++) {
223                         cmds.append_val(this.queue.index(i));
224                 }
225
226                 this.queue = new Array<GitMonitorQueue>();// empty queue!
227
228                 
229                 string[] success = {};
230                 string[] failure = {};
231            //var repos = new Array<GitRepo>(); //??
232                 //var done = new Array<GitMonitorQueue>();
233                 
234                 // first build a array of repo's to work with
235                 var repo_list = new Array<GitRepo>();
236                 
237                 // pull and group.
238                 
239                 //print(JSON.stringify(cmds));
240                 // make sure nothing get's added to the queue where we are doing this..
241
242                 this.paused = true;
243
244                 var leave_queued = new Gee.ArrayList<GitMonitorQueue>();
245                 GLib.debug("GitMonitor.runQueue - creating repos");
246                 
247                 for(var i = 0; i < cmds.length; i++) {
248                    
249                         var cmd = cmds.index(i);
250                 
251                         var gitpath = cmd.gitpath; 
252                         
253                         var repo = GitRepo.get( gitpath );
254                         if ( !repo.is_wip_branch()) {
255                                 leave_queued.add(cmd);
256                                 continue;
257                         }
258                         
259                         GLib.debug("GitMonitor.runQueue - finding %s", cmd.gitpath);
260                 
261                         var ix  = GitRepo.indexOf(repo_list,   gitpath);
262                         if (ix < 0) {
263                                 repo_list.append_val( GitRepo.get( gitpath ));
264                                 ix = GitRepo.indexOf(repo_list,  cmd.gitpath);
265                         }
266                         GLib.debug("GitMonitor.runQueue - adding to repolist %d", ix);
267
268                         //if (typeof(repo_list[gitpath]) == 'undefined') {
269                         //    repo_list[gitpath] = new imports.Scm.Git.Repo.Repo( { repopath : gitpath });
270                         //    repo_list[gitpath].cmds = [];
271                          //   repo_list[gitpath].pull();
272                         //}
273                         repo_list.index(ix).cmds.append_val(cmd);
274
275                 }
276                 this.paused = false;
277                 // build add, remove and commit message list..
278
279                 GLib.debug("GitMonitor.runQueue - creating actions");
280                 
281                 for(var i = 0;i < repo_list.length;i++) {
282          
283                         var repo = repo_list.index(i);
284
285                         var add_files = new Array<GitMonitorQueue>();
286                         var add_files_f = new Array<GitMonitorQueue>();
287                         var remove_files = new Array<GitMonitorQueue>();
288                         var messages = new Array<GitMonitorQueue>();
289                         //print(JSON.stringify(repo.cmds,null,4));
290                         
291                         for(var ii = 0;ii < repo.cmds.length;ii++) {
292                                 var cmd = repo.cmds.index(ii);
293         
294                                 if (repo.is_ignore(cmd.vname)) {
295                                         continue;
296                                 }
297         
298                                 
299                                 switch(cmd.action) {
300                                         case "add" :
301                                                 
302                                                 if (GitMonitorQueue.indexOfAdd(add_files, cmd.vname) > -1) {
303                                                    break;
304                                                 }
305                                                 
306                                                 add_files.append_val(cmd);
307                                                 break;
308                                         
309                                         case "rm":
310                                                 if (GitMonitorQueue.indexOfAdd(remove_files, cmd.vname) > -1 ) {
311                                                    break;
312                                                 }
313                                                 
314                                                 // if file exists, do not try and delete it.
315                                                 if (FileUtils.test(cmd.fullpath(), FileTest.EXISTS)) {
316                                                         break;
317                                                 }
318                                                 
319                                                 remove_files.append_val(cmd);
320                                                 break;
321                                         
322                                         case "commit" :
323                                                 if (GitMonitorQueue.indexOfMessage(messages, cmd.message) > -1 ) {
324                                                    break;
325                                                 }
326                                                 messages.append_val(cmd);
327                                                 
328                                                 break;
329                                         default:
330                                                 stdout.printf("Opps unmatched action %s\n", cmd.action);
331                                                 break;
332                                 } 
333                         }
334                         
335                         repo.cmds.clear(); // reset the repo's command list..
336                         
337                         GLib.debug( "ADD : %s", GitMonitorQueue.queueArrayToString(add_files));
338                         GLib.debug( "REMOVE FILES: %s", GitMonitorQueue.queueArrayToString(remove_files));
339                         
340                         //repo.debug = 1;
341                         // these can fail... at present... as we wildcard stuff.
342                    
343                         // make sure added files do not get removed.. ?? 
344                         /*
345                         var remove_files_f = new Array<GitMonitorQueue>();
346                         for(var ii = 0;ii < remove_files.length;ii++) {
347                                 if (GitMonitorQueue.indexOfAdd(add_files,  remove_files.index(ii).vname) > -1 ) {
348                                          continue;
349                                 }
350                                 remove_files_f.append_val(remove_files.index(ii));
351                         };
352                         stdout.printf("REMOVE : %u files\n"  , remove_files_f.length);
353                         */
354                         
355                         // if file was added, then removed, 
356                         var remove_files_f = new Array<GitMonitorQueue>();
357                         for(var ii = 0;ii < remove_files.length;ii++) {
358                                 
359                                 
360                                 
361                                 if (GitMonitorQueue.indexOfAdd(add_files,  remove_files.index(ii).vname) > -1 ) {
362                                         // in add and remove - do not remvove
363                                         continue;
364                                 }
365                                 remove_files_f.append_val(remove_files.index(ii));
366                         };
367                         for(var ii = 0;ii < add_files.length;ii++) {
368                                 if (GitMonitorQueue.indexOfAdd(remove_files,  add_files.index(ii).vname) > -1 ) {
369                                         // the add file is in the remove list, and it does not exist - do not add it..
370                                         print("check exists ? %s\n",add_files.index(ii).fullpath());
371                                         
372                                         if (!FileUtils.test(add_files.index(ii).fullpath(), FileTest.EXISTS)) {
373                                                         continue;
374                                         }
375                                          
376                                 }
377                                 
378                                 
379                                 
380                                 add_files_f.append_val(add_files.index(ii));
381                         };
382                         
383                         GLib.debug( "ADD : %s", GitMonitorQueue.queueArrayToString(add_files_f));
384                         GLib.debug( "REMOVE FILES: %s", GitMonitorQueue.queueArrayToString(remove_files_f));
385                     
386                     if (add_files_f.length < 1 && remove_files_f.length < 1) {
387                                 continue;
388                     }
389                     
390                         // make sure monitoring is paused so it does not recursively pick up
391                         // deletions
392                         this.paused = true; 
393                           
394                           
395                         try {
396                                 
397                                 repo.pull();
398                         } catch(Error e) {
399                                 this.pauseError(e.message);
400                                 //failure +=  e.message;
401                                 //print("Pull failed:\n");
402                                 return;
403                         }
404                                                                         
405                         // -- DO STUFF..            
406                         try {
407                                 repo.add(add_files_f);
408                         } catch(Error e) {
409                                 this.pauseError(e.message);
410                                 return;
411                                 failure +=  e.message;
412                                 GLib.debug("Add failed:");
413                         }  
414                         try {
415                                  repo.remove(remove_files_f);
416                         } catch(Error e) {
417                                 this.pauseError(e.message);
418                                 return;
419                                 failure +=  e.message;
420                                 GLib.debug("Remove failed:");
421                         }  
422
423
424                         try { 
425                                 success += repo.commit(
426                                         GitMonitorQueue.messageToString(messages),
427                                         add_files_f
428                                 );
429                                 success += repo.push();
430
431                         } catch(Error e) {
432                         
433                                 // if the error is 'nothing to commit, working tree clean'
434                                 // then it's not an error, - just continue;
435                                 if (/nothing to commit, working tree clean/.match(e.message)) {
436                                         GLib.debug("%s",e.message);
437                                         success += e.message;
438                                         this.paused = false; 
439                                         continue;
440                                 }
441                                 
442                         
443                         
444                                 this.paused = false;                    
445                                 this.pauseError(e.message);
446                                 
447                                 return;
448                                 //failure += e.message;
449                                 //print("Push failed:\n");
450                                 
451                         }   
452                         this.paused = false;                                            
453                 }
454                 
455                 
456                 // finally merge all the commit messages.
457                  
458                 try {
459                         // catch notification failures.. so we can carry on..
460                         if (success.length > 0) {
461
462                                 
463                                 var notification = new Notify.Notification(
464                                         "Git Live Commited",
465                                         string.joinv("\n",success),
466                                          "dialog-information"
467                                         
468                                 );
469         
470                                 notification.set_timeout(5);
471                                 notification.show();   
472                         }
473                         
474                         //if (failure.length > 0) {
475
476                                 // should never get this far...
477                         //      this.pauseError();   
478                         //}
479                 } catch(Error e) {
480                         GLib.debug(e.message);
481                         
482                 }
483                 this.queueRunning = false;
484         }
485         
486
487
488         
489
490         //string[] just_created;
491  
492  
493
494
495
496    
497
498
499         public override  void onChanged(MonitorNamePathDir src) 
500         { 
501                 //print("GitMonitor.onChanged\n");        
502                 return; // always ignore this..?
503                 //this.parsePath(src);
504         }
505         
506
507  
508         /**
509          *  results in  git add  + git commit..
510          *
511          */
512         public override void onChangesDoneHint(MonitorNamePathDir src)  
513         { 
514
515                 if (this.paused) {
516                         return;
517                 }
518                 GLib.debug("GitMonitor.onChangedHint");                         
519
520                 this.lastAdd = new DateTime.now(new TimeZone.local()); 
521                 var cmd = new GitMonitorQueue(src);
522                 if (cmd.shouldIgnore()) {
523                         GLib.debug("GitMonitor.onChangedHint - ignored");
524                         return;
525                 }
526                 
527                 //var add_it = false;
528                 /*
529                 if (this.is_just_created(cmd.path)) {
530                         
531                 if (typeof(this.just_created[src.path]) !='undefined') {
532                         delete this.just_created[src.path];
533                         
534                         this.queue.push( 
535                                 [ src.gitpath,  'add', src.vpath ],
536                                 [ src.gitpath,  'commit',    { message: src.vpath} ] 
537                                 
538                         );
539                  
540                         return;
541                 }
542                 */
543                 cmd.action = "add";
544                 this.queue.append_val(cmd);
545
546                 cmd = new GitMonitorQueue(src);
547                 cmd.action = "commit";
548                 cmd.message = cmd.vname;
549                 this.queue.append_val(cmd);
550  
551                  
552         }
553         public override  void onDeleted(MonitorNamePathDir src) 
554    { 
555
556                 if (this.paused) {
557                         return;
558                 }
559                 GLib.debug("GitMonitor.onDeleted");                     
560                 this.lastAdd = new DateTime.now(new TimeZone.local()); 
561                 var cmd = new GitMonitorQueue(src);
562                 if (cmd.shouldIgnore()) {
563                         return;
564                 }
565                 // should check if monitor needs removing..
566                 // it should also check if it was a directory.. - so we dont have to commit all..
567                 cmd.action = "rm";
568                 this.queue.append_val(cmd);
569
570                 cmd = new GitMonitorQueue(src);
571                 cmd.action = "commit";
572                 cmd.message = cmd.vname;
573                 cmd.commit_all = true;
574
575                 this.queue.append_val(cmd);
576  
577         }
578         public override  void onCreated(MonitorNamePathDir src) {
579
580                 if (this.paused) {
581                         return;
582                 }
583                 GLib.debug("GitMonitor.onCreated");                     
584                 this.lastAdd = new DateTime.now(new TimeZone.local()); 
585                 var cmd = new GitMonitorQueue(src);
586                 if (cmd.shouldIgnore()) {
587                         return;
588                 }
589
590                 if (!FileUtils.test(src.path, GLib.FileTest.IS_DIR)) {
591                    // this.just_created[src.path] = true;
592                         return; // we do not handle file create flags... - use done hint.
593                 }
594                 // directory has bee created
595                 this.monitor(src.path);
596                 //this.top.append_val(src.path);
597                 //this.monitor(src.path );
598
599
600 // -- no point in adding a dir.. as git does not handle them...
601 //        this.queue.push( 
602   //          [ src.gitpath, 'add' , src.vpath,  { all: true } ],
603  //           [ src.gitpath, 'commit' , { all: true, message: src.vpath} ]
604   //          
605    //     );
606
607         }
608
609         public  override void onAttributeChanged(MonitorNamePathDir src) { 
610
611                 if (this.paused) {
612                         return;
613                 }
614                 GLib.debug("GitMonitor.onAttributeChanged %s", src.name);                       
615                 if (src.dir == GitMonitor.gitlive) {
616                    return; // attribute on top level..
617                 }
618                 
619                 this.lastAdd = new DateTime.now(new TimeZone.local()); 
620                 var cmd = new GitMonitorQueue(src);
621                 if (cmd.shouldIgnore()) {
622                         return;
623                 }
624                 cmd.action = "add";
625                 this.queue.append_val(cmd);
626
627                 cmd = new GitMonitorQueue(src);
628                 cmd.action = "commit";
629                 cmd.message = "Attribute changed " + cmd.vname;
630                 this.queue.append_val(cmd);
631         }
632  
633    public  override void onMoved(MonitorNamePathDir src,MonitorNamePathDir dest)  
634         { 
635
636                 if (this.paused) {
637                         return;
638                 }
639                 GLib.debug("GitMonitor.onMoved");                       
640                 this.lastAdd = new DateTime.now(new TimeZone.local()); 
641                 var cmd_s = new GitMonitorQueue(src);
642
643                 var cmd_d = new GitMonitorQueue(dest);
644    
645                 
646                 if (cmd_d.gitpath != cmd_s.gitpath) {
647                         this.onDeleted(src);
648                         this.onCreated(dest);
649                         this.onChangesDoneHint(dest);
650                         return;
651                 }
652                 // needs to handle move to/from unsupported types..
653                 
654                 if (cmd_s.shouldIgnore()) {
655                         this.onCreated(dest);
656                         this.onChangesDoneHint(dest);
657                         return;
658
659                 }
660                 if (cmd_d.shouldIgnore()) {
661                         
662                         this.onDeleted(src);
663  
664
665                         return;
666                 }
667                 
668                 
669                 GLib.debug("RM: %s", cmd_s.vname);
670                 cmd_s.action = "rm";
671                 this.queue.append_val(cmd_s);
672
673                 
674                 
675                 GLib.debug("ADD: %s", cmd_d.vname);
676                 cmd_d.action = "add";
677                 this.queue.append_val(cmd_d);
678
679
680                 var cmd = new GitMonitorQueue(dest);
681                 cmd.action = "commit";
682                 cmd.message = "MOVED " + cmd_s.vname + " to " + cmd_d.vname;
683                 if (GitMonitorQueue.queueHas(this.queue, cmd_s, "add")) {
684                         cmd.message = cmd_d.vname;
685                 }
686                 
687                 this.queue.append_val(cmd);
688
689
690                  
691         }
692            
693 }