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 string ahead_behind = "";
40         
41      
42         
43         public string toString()
44         {
45                 return 
46                         "active: " + (active ? "true" : "false") + "\n" +
47                         "is_remote: " + (is_remote ? "true" : "false") + "\n" +                 
48                         "lastrev: " + lastrev + "\n" +
49                         "name: " + name + "\n" +
50                         "remote: " + remote + "\n" +
51                         "remoterev: " + remoterev + "\n" +
52                         "age: " + age + "\n" ;
53         }
54         
55         
56         public GitBranch(GitRepo repo)
57         {
58                 this.repo = repo;
59         }
60         
61         
62         
63
64         public static  void loadBranches(GitRepo repo)
65         {
66                 repo.branches = new Gee.HashMap<string,GitBranch>();
67         
68         //var branches =  new Gee.HashMap<string,GitBranch>();
69         //var local =  new Gee.HashMap<string,GitBranch>();
70         var remotes  =  new Gee.HashMap<string,Ggit.OId>();
71         var remotes_used  =  new Gee.HashMap<string,bool>();
72          
73   
74                 
75                 var rem = repo.repo.lookup_remote("origin");
76                 var cb = new GitCallbacks(repo);
77                 rem.connect(Ggit.Direction.FETCH, cb, null, null);
78                 var remote_heads = rem.list();
79                 foreach(var rh in remote_heads) {
80                         var rn = rh.get_name();
81                         if (!rn.has_prefix("refs/heads/")) {
82                                 continue;
83                         }
84                         remotes.set(rn.substring(11), rh.get_oid());
85                         remotes_used.set(rn.substring(11), false);
86
87           }
88                 
89                  
90                 var r = repo.repo.enumerate_branches(Ggit.BranchType.LOCAL);
91                 while (r.next()) {
92                         var br = new GitBranch(repo);
93                         var gbr = r.get() as Ggit.Branch;
94                         repo.branches.set(gbr.get_name(), br);
95                         br.active = gbr.is_head();
96                         br.name = gbr.get_name();
97                         br.lastrev = gbr.get_target().to_string();
98                         var rname = gbr.get_upstream() != null ? gbr.get_upstream().get_name() : "";
99                         if (rname.has_prefix("refs/remotes/origin/")) {
100                                 rname = rname.substring(20);
101                                 if (remotes.has_key(rname)) {
102                                         br.remote = rname;
103                                         br.remoterev = remotes.get(rname).to_string();
104                                         remotes_used.set(rname,true);
105                                         size_t ahead, behind;
106                                         repo.repo.get_ahead_behind(
107                                                 gbr.get_target(),
108                                                 remotes.get(rname),
109                                                 out ahead,
110                                                 out behind
111                                         );
112                                         br.
113
114                                 }
115                                 repo.revparse(br.get_name() ).get_id();
116                                 
117                                 // age?
118                                 // behind or infront..
119                         }
120                         
121                 }
122                 
123                 // find unused remotes.. and track them...
124                 
125                 
126                 
127                 
128         
129       //         repo.git( { "fetch",  "-a" } ); == done async before...
130         
131         string[] cmd = { "branch",   "--no-color", "--verbose", "--no-abbrev" , "-a"  };
132         var res = repo.git( cmd );
133         var lines = res.split("\n");
134         for (var i = 0; i < lines.length ; i++) {
135                 var br = new GitBranch(repo);
136                 if (!br.parseBranchListItem(lines[i])) {
137                         continue;
138                 }
139                 GLib.debug("add branch %s", br.realName());
140                 if (!br.is_remote) {
141                         local.set(br.name, br);
142                 } else {
143                         remotes.set(br.remote, br);
144                         }
145                  
146                 branches.set(br.realName(), br);
147                 if (br.active) {
148                         repo.currentBranch = br;
149                 }
150         }
151         
152          var bl = repo.git({
153                 "for-each-ref",
154                 "--format",   "%(refname:short):remotes/%(upstream:short):remotes/%(authordate:relative)",
155                 "refs/heads"
156                 }).split("\n");
157         
158         foreach(var line in bl) {
159                 if (line.length < 1) continue;
160                 
161                 var ar = line.split(":remotes/");
162                 var lname= ar[0];
163             var rname = "remotes/" + ar[1];
164             
165             
166                 //print(rname);
167                 // we should always have a local version of it.
168             if (branches.has_key(lname)) {      
169                     branches.get(lname).remote = rname;
170                     branches.get(lname).age = ar[2];
171             }
172             
173             if (!branches.has_key(rname) || !branches.has_key(lname)  ) {
174                     continue;
175             }
176             branches.get(lname).remoterev =  branches.get(rname).lastrev;
177                 // flag it for not adding..
178                 
179             branches.get(rname).name = lname;
180         }
181         foreach(var br in branches.values) {
182                 GLib.debug("BRANCH:\n%s\n" , br.toString());
183                 if (br.name.length > 0 || ! /^remotes\/origin\//.match(br.remote)) {
184                         GLib.debug("SKIP - track exists");
185                         continue;
186                 }
187                 var newname = br.remote.replace("remotes/origin/","");
188                 if (branches.has_key(newname)) {
189                         GLib.debug("SKIP - have branch already");
190                         continue;
191                         }
192                     
193                  
194                 repo.git(  { "branch" ,"--track" , newname,  "origin/" + newname} ); 
195                 //
196                 br.name  = newname;
197                 local.set(br.name, br);
198         }
199         
200         /*
201         this bit of the code tries to turn a local branch into a track of a remote one.
202         -- that's probably not a good idea.
203         var r_replace = new Regex("^remotes/");
204         var o_replace = new Regex("^origin/");
205         foreach(var r in remotes.values) {
206                 if (r.name.length >0) {
207                         return;
208                 }
209                 var name = r_replace.replace(r.name, r.name.length,0, "");
210                 name = o_replace.replace(name, name.length,0, "");
211                 name = name.replace("/", ".");
212                 
213         }
214         */
215         repo.branches = local;
216         
217     
218         
219         }
220
221
222         public bool parseBranchListItem(string str)
223         {
224                 if (str.length  < 1) {
225                         return false;
226                 }
227                 this.active = str[0] == '*';
228                 
229                 var parts = Regex.split_simple ("[ \t]+", str.substring(2).strip());
230                 if (parts[1] == "->") { // it's an alias.. eg. remotes/origin/HEAD -> origin/master..
231                         return false;
232                 }
233                 this.is_remote = false;
234                 this.lastrev = parts[1];
235                 if (parts[0].has_prefix("remotes/")) {
236                         this.is_remote  = true;
237                         this.remote = parts[0];
238                 } else {
239                         this.name = parts[0];
240                 }
241             return true;
242         }
243         public string  realName()
244         {
245                 return this.is_remote ? this.remote : this.name;
246         }
247         
248         public void create()
249         {
250         
251         }
252         
253 }
254         
255