GitBranch.vala
[gitlive] / GitBranch.vala
1 /**
2 represent a git branch..
3 Branching / Gitlive:
4
5 Does repo require branching? - flag in config?
6 ** list of repo's ?? with ability to turn on/off
7
8 Start editing without branch?
9 -> show prompt to start branch
10 -> flag a ticket? optional ??
11
12 Once editing branch...
13 -> merge with squash / ticket...
14 ** show list of repo's with 'working' branches?
15 ** select some/all to merge with a issue fix..
16
17 ?? closing ticket in system ??
18 -> done by the ui?
19
20 need to push all? / fetch all?
21
22
23 list of repo's
24
25
26 */
27
28 public class GitBranch : Object
29 {
30         public GitRepo repo;
31         
32         public bool active = false;
33         public string lastrev = "";
34         public string name = ""; // human friendly name...
35         public bool is_remote;
36         public string remote = "";
37         public string remoterev = "";
38         public string age = "";
39     public int ahead = 0;
40     public int behind = 0;    
41         
42      
43         
44         public string toString()
45         {
46                 return 
47                         "active: " + (active ? "true" : "false") + "\n" +
48                         "is_remote: " + (is_remote ? "true" : "false") + "\n" +                 
49                         "lastrev: " + lastrev + "\n" +
50                         "name: " + name + "\n" +
51                         "remote: " + remote + "\n" +
52                         "remoterev: " + remoterev + "\n" +
53                         "age: " + age + "\n" ;
54         }
55         
56         
57         public GitBranch(GitRepo repo)
58         {
59                 this.repo = repo;
60         }
61         
62         
63         
64
65         public static  void loadBranches(GitRepo repo)
66         {
67                 repo.branches = new Gee.HashMap<string,GitBranch>();
68         
69         //var branches =  new Gee.HashMap<string,GitBranch>();
70         //var local =  new Gee.HashMap<string,GitBranch>();
71         var remotes  =  new Gee.HashMap<string,Ggit.OId>();
72         var remotes_used  =  new Gee.HashMap<string,bool>();
73          
74   
75                 
76                 var rem = repo.repo.lookup_remote("origin");
77                 var cb = new GitCallbacks(repo);
78                 rem.connect(Ggit.Direction.FETCH, cb, null, null);
79                 var remote_heads = rem.list();
80                 foreach(var rh in remote_heads) {
81                         var rn = rh.get_name();
82                         if (!rn.has_prefix("refs/heads/")) {
83                                 continue;
84                         }
85                         remotes.set(rn.substring(11), rh.get_oid());
86                         remotes_used.set(rn.substring(11), false);
87
88           }
89                 
90                  
91                 var r = repo.repo.enumerate_branches(Ggit.BranchType.LOCAL);
92                 while (r.next()) {
93                         var br = new GitBranch(repo);
94                         var gbr = r.get() as Ggit.Branch;
95                         repo.branches.set(gbr.get_name(), br);
96                         br.active = gbr.is_head();
97                         br.name = gbr.get_name();
98                         br.lastrev = gbr.get_target().to_string();
99                         var rname = gbr.get_upstream() != null ? gbr.get_upstream().get_name() : "";
100                         if (rname.has_prefix("refs/remotes/origin/")) {
101                                 rname = rname.substring(20);
102                                 if (remotes.has_key(rname)) {
103                                         br.remote = rname;
104                                         br.remoterev = remotes.get(rname).to_string();
105                                         remotes_used.set(rname,true);
106                                         size_t ahead, behind;
107                                         repo.repo.get_ahead_behind(
108                                                 gbr.get_target(),
109                                                 remotes.get(rname),
110                                                 out ahead,
111                                                 out behind
112                                         );
113                                         br.
114
115                                 }
116                                 repo.revparse(br.get_name() ).get_id();
117                                 
118                                 // age?
119                                 // behind or infront..
120                         }
121                         
122                 }
123                 
124                 // find unused remotes.. and track them...
125                 
126                 
127                 
128                 
129         
130       //         repo.git( { "fetch",  "-a" } ); == done async before...
131         
132         string[] cmd = { "branch",   "--no-color", "--verbose", "--no-abbrev" , "-a"  };
133         var res = repo.git( cmd );
134         var lines = res.split("\n");
135         for (var i = 0; i < lines.length ; i++) {
136                 var br = new GitBranch(repo);
137                 if (!br.parseBranchListItem(lines[i])) {
138                         continue;
139                 }
140                 GLib.debug("add branch %s", br.realName());
141                 if (!br.is_remote) {
142                         local.set(br.name, br);
143                 } else {
144                         remotes.set(br.remote, br);
145                         }
146                  
147                 branches.set(br.realName(), br);
148                 if (br.active) {
149                         repo.currentBranch = br;
150                 }
151         }
152         
153          var bl = repo.git({
154                 "for-each-ref",
155                 "--format",   "%(refname:short):remotes/%(upstream:short):remotes/%(authordate:relative)",
156                 "refs/heads"
157                 }).split("\n");
158         
159         foreach(var line in bl) {
160                 if (line.length < 1) continue;
161                 
162                 var ar = line.split(":remotes/");
163                 var lname= ar[0];
164             var rname = "remotes/" + ar[1];
165             
166             
167                 //print(rname);
168                 // we should always have a local version of it.
169             if (branches.has_key(lname)) {      
170                     branches.get(lname).remote = rname;
171                     branches.get(lname).age = ar[2];
172             }
173             
174             if (!branches.has_key(rname) || !branches.has_key(lname)  ) {
175                     continue;
176             }
177             branches.get(lname).remoterev =  branches.get(rname).lastrev;
178                 // flag it for not adding..
179                 
180             branches.get(rname).name = lname;
181         }
182         foreach(var br in branches.values) {
183                 GLib.debug("BRANCH:\n%s\n" , br.toString());
184                 if (br.name.length > 0 || ! /^remotes\/origin\//.match(br.remote)) {
185                         GLib.debug("SKIP - track exists");
186                         continue;
187                 }
188                 var newname = br.remote.replace("remotes/origin/","");
189                 if (branches.has_key(newname)) {
190                         GLib.debug("SKIP - have branch already");
191                         continue;
192                         }
193                     
194                  
195                 repo.git(  { "branch" ,"--track" , newname,  "origin/" + newname} ); 
196                 //
197                 br.name  = newname;
198                 local.set(br.name, br);
199         }
200         
201         /*
202         this bit of the code tries to turn a local branch into a track of a remote one.
203         -- that's probably not a good idea.
204         var r_replace = new Regex("^remotes/");
205         var o_replace = new Regex("^origin/");
206         foreach(var r in remotes.values) {
207                 if (r.name.length >0) {
208                         return;
209                 }
210                 var name = r_replace.replace(r.name, r.name.length,0, "");
211                 name = o_replace.replace(name, name.length,0, "");
212                 name = name.replace("/", ".");
213                 
214         }
215         */
216         repo.branches = local;
217         
218     
219         
220         }
221
222
223         public bool parseBranchListItem(string str)
224         {
225                 if (str.length  < 1) {
226                         return false;
227                 }
228                 this.active = str[0] == '*';
229                 
230                 var parts = Regex.split_simple ("[ \t]+", str.substring(2).strip());
231                 if (parts[1] == "->") { // it's an alias.. eg. remotes/origin/HEAD -> origin/master..
232                         return false;
233                 }
234                 this.is_remote = false;
235                 this.lastrev = parts[1];
236                 if (parts[0].has_prefix("remotes/")) {
237                         this.is_remote  = true;
238                         this.remote = parts[0];
239                 } else {
240                         this.name = parts[0];
241                 }
242             return true;
243         }
244         public string  realName()
245         {
246                 return this.is_remote ? this.remote : this.name;
247         }
248         
249         public void create()
250         {
251         
252         }
253         
254 }
255         
256