GitMonitor.vala
authorAlan Knowles <alan@akbkhome.com>
Sun, 11 May 2014 10:02:11 +0000 (18:02 +0800)
committerAlan Knowles <alan@akbkhome.com>
Sun, 11 May 2014 10:02:11 +0000 (18:02 +0800)
GitMonitor.vala [new file with mode: 0644]

diff --git a/GitMonitor.vala b/GitMonitor.vala
new file mode 100644 (file)
index 0000000..002e3c7
--- /dev/null
@@ -0,0 +1,661 @@
+
+
+public class GitMonitorQueue : MonitorNamePathDir {
+        // name = basename
+        // path = full path..
+        // dir = dir path
+    
+        public string gitpath;
+        public string vdir;  // relative path (within git)
+        public string vname;  // relative filename (within git)
+        public string message ; // for commit
+        public bool commit_all;
+         
+        public GitMonitorQueue(MonitorNamePathDir f) {
+
+            base(f.name, f.path, f.dir);
+            this.message = "";
+            this.commit_all = false;
+  
+            var vpath_ar = this.dir.substring(GitMonitor.gitlive.length +1).split("/", 0);
+            
+            if (vpath_ar[0].length < 1) {
+
+                this.gitpath = "";
+                this.vdir = "";
+                this.vname = "";
+            }        
+
+
+            this.gitpath = GitMonitor.gitlive + "/" + vpath_ar[0];
+            
+            string[]  vpath = {};
+            for (var i = 1; i< vpath_ar.length; i++) {
+                vpath += vpath_ar[i];
+            }
+
+            this.vdir =  string.joinv("/", vpath);
+
+            this.vname =  this.vdir + (this.vdir.length > 0 ? "/" : "") + this.name;
+
+            stdout.printf(
+                    "NEW GitMonitorQueue\nname: %s\npath: %s\ndir: %s\n" + 
+                    "gitpath: %s\nvdir: %s\nvname: %s\n",
+                    this.name, this.path, this.dir,
+                    this.gitpath, this.vdir, this.vname
+            );
+
+
+            //f.repo = new imports.Scm.Git.Repo({ repopath: f.gitpath })
+        
+        
+        }
+
+        public bool shouldIgnore()
+        {
+            
+            
+            
+            // vim.. what a seriously brain dead program..
+            if (this.name == "4913") {
+                return true;
+            }
+            
+            if (this.name[0] == '.') {
+                // except!
+                if (this.name == ".htaccess") {
+                    return false;
+                }
+                
+                return true;
+            }
+            if (this.name[this.name.length -1] == '~') {
+                return true;
+            }
+
+            //if (f.name.match(/~$/)) {
+            //    return true;
+            //}
+            //if (f.name.match(/^nbproject/)) {
+            //    return true;
+            //}
+            // ignore anything in top level!!!!
+            if (this.gitpath.length < 1) {
+                return true;
+            }
+            
+            return false;
+        }
+        
+        /** -- statics --*/
+        
+        public static int indexOfAdd( Array<GitMonitorQueue> add_files, string add) {
+            for(var i =0; i < add_files.length; i++) {
+                if (add_files.index(i).vname == add) {
+                    return i;
+                }
+            }
+            return -1;
+        }
+        public static  int indexOfMessage(Array<GitMonitorQueue> messages, string message)  {
+            for(var i =0; i < messages.length; i++) {
+                if (messages.index(i).message == message) {
+                    return i;
+                }
+            }
+            return -1;
+        }
+        public static string messageToString(Array<GitMonitorQueue> messages ) {
+            string[] ret = {};
+            for(var i =0; i < messages.length; i++) {
+                ret+= messages.index(i).message;
+            }
+            return string.joinv("\n",ret);
+        }
+
+}
+
+
+
+public class GitMonitor : Monitor
+{
+
+    public static GitMonitor gitmonitor;
+    /**
+     * @property {String} the "gitlive" directory, normally ~/gitlive
+     *  dset by OWNER... - we should do this as a CTOR.
+     *  
+     */
+    public static string gitlive;
+    
+    
+    public Array<GitMonitorQueue> queue ;
+    public bool queueRunning = false;
+    
+    public DateTime lastAdd;
+     
+    
+    public GitMonitor () {
+        this.queue = new Array<GitMonitorQueue>();
+        GitMonitor.gitmonitor = this;
+    }
+
+
+
+    public new void pause() {
+        this.paused = true;
+        // what does this do to the old one...
+        this.queue = new Array<GitMonitorQueue> ();
+        StatusIconA.statusicon.set_from_stock( Gtk.Stock.MEDIA_PAUSE );
+
+    }
+    
+    public new void resume () {
+        this.paused = false;
+        this.queue = new Array<GitMonitorQueue> ();
+        StatusIconA.statusicon.set_from_stock( Gtk.Stock.MEDIA_PLAY );
+        
+        
+    }
+    /**
+     * Start the monitoring
+     * and run the queue every 500 milliseconds..
+     *
+     */
+    public new void start() {
+        StatusIconA.statusicon.set_from_stock( Gtk.Stock.REFRESH );
+        
+         
+        this.lastAdd = new DateTime.now(new TimeZone.local()); 
+        
+        Timeout.add_full(Priority.LOW, 500, () => {
+            //stdout.printf("GitMonitor.start :: top.length = %u\n", this.top.length);
+            // call this.monitor on each of 'top'
+            for(int i = 0; i < this.top.length ; i++) {
+
+                this.monitor(this.top.index(i) );
+            }
+            StatusIconA.statusicon.set_from_stock( Gtk.Stock.MEDIA_PLAY );
+             
+           
+            
+            try {
+
+              
+                var notification = new Notify.Notification(
+                    "Git Live",
+                    "%s\nMonitoring %u Directories".printf(GitMonitor.gitlive, this.monitors.length), 
+                     "dialog-information"
+                );
+        
+                notification.set_timeout(5);
+                notification.show();
+            } catch(Error e) {
+                print(e.message);
+            }
+            return false; // do not keep doing this..
+
+        });
+        
+
+        Timeout.add_full(Priority.LOW, 1000, () => {
+            //TIMEOUT", _this.queue.length , _this.queueRunning].join(', '));
+
+            stdout.printf("QL %u: QR: %d\n", this.queue.length, this.queueRunning ? 1 : 0);
+            if (this.queue.length < 1  || this.queueRunning) {
+                return true;
+            }
+            
+            var last = -1 * this.lastAdd.difference(new DateTime.now(new TimeZone.local()));
+            stdout.printf("LAST RUN: %s (expect %s) \n" ,
+                     last.to_string(),   (5 * TimeSpan.SECOND).to_string() );
+            if (last < 5 * TimeSpan.SECOND) { // wait 5 seconds before running. ????
+                return true;
+            }
+            //_this.lastAdd = new Date();
+            //return 1;
+        
+            this.runQueue();
+            return true; //
+        });
+         
+    }
+
+
+    public new void stop() {
+        StatusIconA.statusicon.set_from_stock( Gtk.Stock.MEDIA_PAUSE );;
+        base.stop();
+    }
+    
+    
+    public new void monitor (string path,  int depth = 0)
+    {
+        
+        //var depth = typeof(depth) == 'number'  ? depth *1 : 0;
+        
+         
+        // if we are not at top level.. and there is a .git directory  (it's a submodule .. ignore) 
+        if (depth > 1 && FileUtils.test(path + "/.git" , FileTest.IS_DIR)) {
+            return;
+        }
+        
+        if (depth == 1) {
+            // FIXME - check if repo is flagged as not autocommit..
+            //var repo = imports.Scm.Repo.Repo.get(path);
+            //if (!repo || !repo.autocommit()) {
+            //    return;
+            //} 
+        }
+        
+        
+        // check if the repo is to be monitored.
+        //print("PATH : " + path);
+        
+        
+        base.monitor(path, depth);
+    }
+
+    
+
+    /**
+     * run the queue.
+     * - pulls the items off the queue 
+     *    (as commands run concurrently and new items may get added while it's running)
+     * - runs the queue items
+     * - pushes upstream.
+     * 
+     */
+    public void runQueue()
+    {
+        
+        if (this.paused) {
+            return;
+        }
+        print("GitMonitor.runQueue\n");
+
+        this.queueRunning = true;
+
+        var cmds = new Array<GitMonitorQueue>();
+
+        for(var i = 0; i < this.queue.length; i++) {
+            cmds.append_val(this.queue.index(i));
+        }
+
+        this.queue = new Array<GitMonitorQueue>();// empty queue!
+
+        
+        string[] success = {};
+        string[] failure = {};
+       //var repos = new Array<GitRepo>(); //??
+        var done = new Array<GitMonitorQueue>();
+        
+        // first build a array of repo's to work with
+        var repo_list = new Array<GitRepo>();
+        
+        // pull and group.
+        
+        //print(JSON.stringify(cmds));
+        // make sure nothing get's added to the queue where we are doing this..
+
+        this.paused = true;
+
+        print("GitMonitor.runQueue - creating repos\n");
+        
+        for(var i = 0; i < cmds.length; i++) {
+           
+            var cmd = cmds.index(i);
+        
+            var gitpath = cmd.gitpath; 
+            stdout.printf("GitMonitor.runQueue - finding %s\n", cmd.gitpath);
+        
+            var ix  = GitRepo.indexOf(repo_list,  cmd.gitpath);
+            if (ix < 0) {
+                repo_list.append_val(new GitRepo( gitpath ));
+                ix = GitRepo.indexOf(repo_list,  cmd.gitpath);
+            }
+            stdout.printf("GitMonitor.runQueue - adding to repolist %d\n", ix);
+
+            //if (typeof(repo_list[gitpath]) == 'undefined') {
+            //    repo_list[gitpath] = new imports.Scm.Git.Repo.Repo( { repopath : gitpath });
+            //    repo_list[gitpath].cmds = [];
+             //   repo_list[gitpath].pull();
+            //}
+            repo_list.index(ix).cmds.append_val(cmd);
+
+        }
+        this.paused = false;
+        // build add, remove and commit message list..
+
+        print("GitMonitor.runQueue - creating actions\n");
+        
+        for(var i = 0;i < repo_list.length;i++) {
+     
+            var repo = repo_list.index(i);
+
+            var add_files = new Array<GitMonitorQueue>();
+            var remove_files = new Array<GitMonitorQueue>();
+            var messages = new Array<GitMonitorQueue>();
+            //print(JSON.stringify(repo.cmds,null,4));
+            
+            for(var ii = 0;ii < repo.cmds.length;ii++) {
+                var cmd = repo.cmds.index(ii);
+    
+                
+                switch(cmd.action) {
+                    case "add" :
+                        
+                        if (GitMonitorQueue.indexOfAdd(add_files, cmd.vname) > -1) {
+                           break;
+                        }
+                        
+                        add_files.append_val(cmd);
+                        break;
+                    
+                    case "rm":
+                        if (GitMonitorQueue.indexOfAdd(add_files, cmd.vname) > -1 ) {
+                           break;
+                        }
+                        
+                        // if file exists, do not try and delete it.
+                        if (FileUtils.test(cmd.vname, FileTest.EXISTS)) {
+                            break;
+                        }
+                        
+                        remove_files.append_val(cmd);
+                        break;
+                    
+                    case "commit" :
+                        if (GitMonitorQueue.indexOfMessage(messages, cmd.message) > -1 ) {
+                           break;
+                        }
+                        messages.append_val(cmd);
+                        
+                        break;
+                    default:
+                        stdout.printf("Opps unmatched action %s\n", cmd.action);
+                        break;
+                } 
+            }
+            
+            //repo.debug = 1;
+            // these can fail... at present... as we wildcard stuff.
+            stdout.printf("ADD : %u files\n"  , add_files.length);
+            
+            // make sure added files do not get removed..
+
+            var remove_files_f = new Array<GitMonitorQueue>();
+            for(var ii = 0;ii < remove_files.length;ii++) {
+                if (GitMonitorQueue.indexOfAdd(add_files,  remove_files.index(ii).vname) > -1 ) {
+                     continue;
+                }
+                remove_files_f.append_val(remove_files.index(ii));
+            };
+            stdout.printf("REMOVE : %u files\n"  , remove_files_f.length);
+             
+            // make sure monitoring is paused so it does not recursively pick up
+            // deletions
+            
+            // -- DO STUFF..
+            try {
+                repo.add(add_files);
+            } catch(Error e) {
+                failure +=  e.message;
+            }  
+            try {
+                 repo.remove(remove_files_f);
+            } catch(Error e) {
+                failure +=  e.message;
+            }  
+
+            this.paused = false;
+            
+            
+            try { 
+                success += repo.commit(
+                    GitMonitorQueue.messageToString(messages),
+                    add_files  
+                );
+                success += repo.push();
+
+            } catch(Error e) {
+                failure += e.message;
+                
+            }   
+        }
+        
+        // finally merge all the commit messages.
+         
+        try {
+            // catch notification failures.. so we can carry on..
+            if (success.length > 0) {
+
+                
+                var notification = new Notify.Notification(
+                    "Git Live Commited",
+                    string.joinv("\n",success),
+                     "dialog-information"
+                    
+                );
+    
+                notification.set_timeout(5);
+                notification.show();   
+            }
+            
+            if (failure.length > 0) {
+
+                var notification = new Notify.Notification(
+                      "Git Live ERROR!!",
+                    string.joinv("\n",failure),
+                    "dialog-information"
+                    
+                );
+    
+                notification.set_timeout(5); // show errros for longer
+                notification.show();   
+            }
+        } catch(Error e) {
+            print(e.message);
+            
+        }
+        this.queueRunning = false;
+    }
+    
+
+
+    
+
+    //string[] just_created;
+
+
+
+   
+
+
+    public override  void onChanged(MonitorNamePathDir src) 
+    { 
+        print("GitMonitor.onChanged\n");        
+        return; // always ignore this..?
+        //this.parsePath(src);
+    }
+    
+
+    /**
+     *  results in  git add  + git commit..
+     *
+     */
+    public override void onChangesDoneHint(MonitorNamePathDir src)  
+    { 
+        print("GitMonitor.onChangedHint\n");        
+        if (this.paused) {
+            return;
+        }
+            
+
+        this.lastAdd = new DateTime.now(new TimeZone.local()); 
+        var cmd = new GitMonitorQueue(src);
+        if (cmd.shouldIgnore()) {
+            return;
+        }
+        
+       
+        var add_it = false;
+        /*
+        if (this.is_just_created(cmd.path)) {
+            
+        if (typeof(this.just_created[src.path]) !='undefined') {
+            delete this.just_created[src.path];
+            
+            this.queue.push( 
+                [ src.gitpath,  'add', src.vpath ],
+                [ src.gitpath,  'commit',    { message: src.vpath} ] 
+                
+            );
+         
+            return;
+        }
+        */
+        cmd.action = "add";
+        this.queue.append_val(cmd);
+
+        cmd = new GitMonitorQueue(src);
+        cmd.action = "commit";
+        cmd.message = cmd.vname;
+        this.queue.append_val(cmd);
+         
+    }
+    public override  void onDeleted(MonitorNamePathDir src) 
+   { 
+        print("GitMonitor.onDeleted\n");        
+        if (this.paused) {
+            return;
+        }
+        this.lastAdd = new DateTime.now(new TimeZone.local()); 
+        var cmd = new GitMonitorQueue(src);
+        if (cmd.shouldIgnore()) {
+            return;
+        }
+        // should check if monitor needs removing..
+        // it should also check if it was a directory.. - so we dont have to commit all..
+        cmd.action = "rm";
+        this.queue.append_val(cmd);
+
+        cmd = new GitMonitorQueue(src);
+        cmd.action = "commit";
+        cmd.message = cmd.vname;
+        cmd.commit_all = true;
+
+        this.queue.append_val(cmd);
+    }
+    public override  void onCreated(MonitorNamePathDir src) {
+        print("GitMonitor.onCreated\n");        
+        if (this.paused) {
+            return;
+        }
+        this.lastAdd = new DateTime.now(new TimeZone.local()); 
+        var cmd = new GitMonitorQueue(src);
+        if (cmd.shouldIgnore()) {
+            return;
+        }
+
+        if (!FileUtils.test(src.path, GLib.FileTest.IS_DIR)) {
+           // this.just_created[src.path] = true;
+            return; // we do not handle file create flags... - use done hint.
+        }
+        // directory has bee created
+        this.monitor(src.path);
+        //this.top.append_val(src.path);
+        //this.monitor(src.path );
+
+
+// -- no point in adding a dir.. as git does not handle them...
+//        this.queue.push( 
+  //          [ src.gitpath, 'add' , src.vpath,  { all: true } ],
+ //           [ src.gitpath, 'commit' , { all: true, message: src.vpath} ]
+  //          
+   //     );
+
+    }
+
+    public  override void onAttributeChanged(MonitorNamePathDir src) { 
+        print("GitMonitor.onAttributeChanged\n");        
+        if (this.paused) {
+            return;
+        }
+        this.lastAdd = new DateTime.now(new TimeZone.local()); 
+        var cmd = new GitMonitorQueue(src);
+        if (cmd.shouldIgnore()) {
+            return;
+        }
+        cmd.action = "add";
+        this.queue.append_val(cmd);
+
+        cmd = new GitMonitorQueue(src);
+        cmd.action = "commit";
+        cmd.message = "Attribute changed " + cmd.vname;
+        this.queue.append_val(cmd);
+    }
+   public  override void onMoved(MonitorNamePathDir src,MonitorNamePathDir dest)  
+    { 
+        print("GitMonitor.onMoved\n");        
+        if (this.paused) {
+            return;
+        }
+        this.lastAdd = new DateTime.now(new TimeZone.local()); 
+        var cmd_s = new GitMonitorQueue(src);
+
+        var cmd_d = new GitMonitorQueue(src);
+   
+        
+        if (cmd_d.gitpath != cmd_s.gitpath) {
+            this.onDeleted(src);
+            this.onCreated(dest);
+            this.onChangesDoneHint(dest);
+            return;
+        }
+        // needs to handle move to/from unsupported types..
+        
+        if (cmd_s.shouldIgnore()) {
+            this.onCreated(dest);
+            this.onChangesDoneHint(dest);
+            return;
+
+        }
+        if (cmd_d.shouldIgnore()) {
+            
+            this.onDeleted(src);
+
+            return;
+        }
+        
+        cmd_s.action = "rm";
+        this.queue.append_val(cmd_s);
+
+
+
+
+        cmd_d.action = "add";
+        this.queue.append_val(cmd_d);
+
+
+        var cmd = new GitMonitorQueue(dest);
+        cmd.action = "commit";
+        cmd.message = "MOVED " + cmd_s.vname + " to " + cmd_d.vname;
+        this.queue.append_val(cmd);
+
+
+         
+    }
+       
+}