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