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 = "";
35         public bool is_remote;
36         public string remote = "";
37         public string remoterev = "";
38         
39         public string toString()
40         {
41                 return 
42                         "active: " + (active ? "true" : "false") + "\n" +
43                         "is_remote: " + (is_remote ? "true" : "false") + "\n" +                 
44                         "lastrev: " + lastrev + "\n" +
45                         "name: " + name + "\n" +
46                         "remote: " + remote + "\n" +
47                         "remoterev: " + remoterev + "\n";
48         }
49         
50         
51         public GitBranch(GitRepo repo)
52         {
53                 this.repo = repo;
54         }
55
56         public static  void loadBranches(GitRepo repo)
57         {
58                 repo.branches = new Gee.HashMap<string,GitBranch>();
59         
60         var branches =  new Gee.HashMap<string,GitBranch>();
61         var local =  new Gee.HashMap<string,GitBranch>();
62         var remotes  =  new Gee.HashMap<string,GitBranch>();
63         
64         string[] cmd = { "branch",   "--no-color", "--verbose", "--no-abbrev" , "-a"  };
65         var res = repo.git( cmd );
66         var lines = res.split("\n");
67         for (var i = 0; i < lines.length ; i++) {
68                 var br = new GitBranch(repo);
69                 if (!br.parseBranchListItem(lines[i])) {
70                         continue;
71                 }
72                 GLib.debug("add branch %s", br.realName());
73                 if (!br.is_remote) {
74                         local.set(br.name, br);
75                 } else {
76                         remotes.set(br.remote, br);
77                         }
78                  
79                 branches.set(br.realName(), br);
80                 if (br.active) {
81                         repo.currentBranch = br;
82                 }
83         }
84         
85          var bl = repo.git({
86                 "for-each-ref",
87                 "--format",   "%(refname:short):remotes/%(upstream:short)",
88                 "refs/heads"
89                 }).split("\n");
90         
91         foreach(var line in bl) {
92                 if (line.length < 1) continue;
93                 
94                 var ar = line.split(":remotes/");
95                 var lname= ar[0];
96             var rname = "remotes/' + ar[1]";
97                 //print(rname);
98                 // we should always have a local version of it.
99             branches.get(lname).remote = rname;
100             
101             if (!branches.has_key(rname)) {
102                     continue;
103             }
104             branches.get(lname).remoterev =  branches.get(rname).lastrev;
105                 // flag it for not adding..
106                 
107             branches.get(rname).name = lname;
108         }
109         foreach(var br in local.values) {
110                 GLib.debug("BRANCH:\n%s\n" , br.toString());
111         }
112         
113         /*
114         this bit of the code tries to turn a local branch into a track of a remote one.
115         -- that's probably not a good idea.
116         var r_replace = new Regex("^remotes/");
117         var o_replace = new Regex("^origin/");
118         foreach(var r in remotes.values) {
119                 if (r.name.length >0) {
120                         return;
121                 }
122                 var name = r_replace.replace(r.name, r.name.length,0, "");
123                 name = o_replace.replace(name, name.length,0, "");
124                 name = name.replace("/", ".");
125                 
126         }
127         */
128         repo.branches = local;
129         
130     
131         
132         }
133
134
135         public bool parseBranchListItem(string str)
136         {
137                 if (str.length  < 1) {
138                         return false;
139                 }
140                 this.active = str[0] == '*';
141                 
142                 var parts = Regex.split_simple ("[ \t]+", str.substring(2).strip());
143                 if (parts[1] == "->") { // it's an alias.. eg. remotes/origin/HEAD -> origin/master..
144                         return false;
145                 }
146                 this.is_remote = false;
147                 this.lastrev = parts[1];
148                 if (parts[0].has_prefix("remotes/")) {
149                         this.is_remote  = true;
150                         this.remote = parts[0];
151                 } else {
152                         this.name = parts[0];
153                 }
154             return true;
155         }
156         public string  realName()
157         {
158                 return this.is_remote ? this.remote : this.name;
159         }
160         
161         public void create()
162         {
163         
164         }
165         
166 }
167         
168