Git.vala
[gitlive] / Git.vala
1
2 // valac -o /tmp/ggit Git.vala --pkg libgit2-glib-1.0 --pkg libsoup-2.4 -pkg gee-0.8 -g
3
4
5
6 void main()
7 {
8          GLib.Log.set_handler(null, 
9             GLib.LogLevelFlags.LEVEL_DEBUG | GLib.LogLevelFlags.LEVEL_WARNING | GLib.LogLevelFlags.LEVEL_INFO, 
10             (dom, lvl, msg) => {
11                                         
12                                         
13                // should we debug..
14                                         
15                         
16                print("%s\n", msg);
17             }
18          ); 
19
20         Ggit.init();
21         
22         var a = new GitLive.Repo("/home/alan/gitlive/gitlive");
23         a.loadBranches();
24         a.fetchAll();
25         //
26         /*
27         var a = new GitLive.Repo("/home/alan/git/test1-clone");
28         //a.fetchAll();
29         var str = (new GLib.DateTime.now_utc()).format("%Y-%m-%d %H:%M:%S");
30         GLib.FileUtils.set_contents("/home/alan/git/test1-clone/test1",  str); 
31         
32         var ix = a.repo.get_index();
33         ix.add_path("test1");
34         ix.write();
35         var treeoid = ix.write_tree();
36
37         var head = a.repo.get_head();
38         var parent = head.lookup() as Ggit.Commit;
39         Ggit.Commit[] parents = (parent == null) ? 
40                 new Ggit.Commit[] {} :
41                 new Ggit.Commit[] { parent };
42
43         var tree = a.repo.lookup(treeoid,typeof (Ggit.Tree))  as   Ggit.Tree;// odd format.. 
44         
45         var sig = new Ggit.Signature.now("Alan Knowles", "alan@roojs.com");
46         a.repo.create_commit("HEAD", sig, sig, null, "test commit " + str, tree, parents);
47         */
48         // mmh.. no git add/commit in library...
49 //      string[] spawn_args = {"git", "commit", "-m", "test", "-a"};
50         //string[] spawn_env = Environ.get ();
51 //      Process.spawn_sync ("/home/alan/git/test1-clone", spawn_args, spawn_env, SpawnFlags.SEARCH_PATH, null);
52  
53         a.pushAll();
54 }
55  
56
57 namespace  GitLive {
58
59         public class Repo : Object {
60
61                 public Ggit.Repository  repo;
62                 Callbacks callbacks;
63
64                 public Repo(string path)
65                 {
66                         this.repo = Ggit.Repository.open(GLib.File.new_for_path(path));
67                         this.callbacks = new Callbacks(this);
68                 
69                 }
70                 
71             Gee.ArrayList<Ggit.Branch>          branches = null;
72                 public void loadBranches()
73                 {
74                         this.branches =  new Gee.ArrayList<Ggit.Branch>();
75                         var r = this.repo.enumerate_branches(Ggit.BranchType.LOCAL);
76                         
77                         
78                         
79                         
80                         while (r.next()) {
81                                 var br = r.get() as Ggit.Branch;
82                                 var head = this.repo.revparse("refs/heads/" + br.get_name() ).get_id();
83                                 var rhead = this.repo.revparse(br.get_upstream().get_name() ).get_id();
84                                 GLib.debug("got branch: name = %s upstream = %s oid = %s ", 
85                                                 br.get_name(), br.get_upstream().get_name(), 
86                                                 head.to_string());
87                                 this.branches.add(br);
88                                 
89                         }
90                         
91                         
92                 
93                 }
94                 Ggit.Branch? getBranch(string remote_name, string remote_branch_name)
95                 {
96
97                          var target = remote_branch_name.replace("refs/heads/", remote_name+"/") .replace("refs/remotes/", "");
98
99                          
100                         foreach(var br in this.branches) {
101                         //      GLib.debug("test:%s=%s", br.get_upstream().get_shorthand() , target);
102                                 if ( br.get_upstream().get_shorthand() == target) {
103                                         return br;
104                                 }
105                                 
106                         }
107                         //GLib.debug("missing %s", remote_branch_name);                 
108                         return null;
109                 
110                 }
111                 
112                 
113                 
114                 public void fetchAll()
115                 {
116                         // remotes probably will not work with http auth..
117                         var ar = this.repo.list_remotes();
118                         foreach(var n in ar) {
119                                 GLib.debug("got remote '%s'", n);
120                                 var r = this.repo.lookup_remote(n);
121                                 GLib.debug("connecting '%s'", r.get_url());
122                                  
123                                 try {
124                                         string[] h = { "a = 1" };
125                                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
126                                         
127                                 } catch (Error e) {
128                                         GLib.debug("Got Error Message: %s", e.message);
129                                         return;
130                                 }
131                                 
132                                 var heads = r.list();
133                                 foreach(var rh in heads) {
134                                         var br = this.getBranch(n, rh.get_name());
135                                 
136                                         GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
137                                                 rh.get_name(), 
138                                                 rh.get_oid().to_string(),
139                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
140                                         );
141                                 
142                                 }
143                                 
144                                 
145                                 
146                                 GLib.debug("getting specs '%s'", n);
147
148
149                                 var far = r.get_fetch_specs();
150                                 
151                                 foreach(var rs in far) {
152                                         GLib.debug("got remote spec: %s", rs);
153                                         
154                                 }
155                                 var options = new Ggit.FetchOptions();
156                                 options.set_remote_callbacks(this.callbacks);
157                                 //yield Async.thread(() => {
158         
159                                         r.download(far, options);
160                                 //});
161                                 r.disconnect();
162                                 
163                                 //r.download(
164                         }
165                 
166                 }
167                 
168                 
169                 
170                 public void pushAll()
171                 {
172                         // remotes probably will not work with http auth..
173                         var ar = this.repo.list_remotes();
174                         foreach(var n in ar) {
175                                 GLib.debug("got remote '%s'", n);
176                                 var r = this.repo.lookup_remote(n);
177                                 GLib.debug("connecting '%s'", r.get_url());
178                                  
179                                 try {
180                                         string[] h = { "a = 1" };
181                                          r.connect(Ggit.Direction.PUSH, this.callbacks, null, null);
182                                         
183                                 } catch (Error e) {
184                                         GLib.debug("Got Error Message: %s", e.message);
185                                         return;
186                                 }
187                                 //GLib.debug("getting specs '%s'", n);
188                                 /* 
189                                 
190                                 this.repo.add_remote_push(
191                                         "origin",
192                                         "+%s:%s".printf(head.get_shorthand(),head.get_name())
193                                 );
194  */
195                                 var head = this.repo.get_head();
196                                 string[] far = {};
197                                 far += "+%s:%s".printf(head.get_name(),head.get_name());
198                                 
199                                 foreach(var rs in far) {
200                                         GLib.debug("got remote spec: %s", rs);
201                                         
202                                 }
203                                         
204                                 var popts = new Ggit.PushOptions();
205                                  popts.callbacks = this.callbacks;
206                                 GLib.debug("Push?");
207                                 r.upload(far,popts);
208                                 GLib.debug("Push done?");
209                                 r.disconnect();
210                                 
211                                 
212                                 //r.download(
213                         }
214                 
215                 }
216                 
217                 
218                 
219
220         }
221         
222         private class Callbacks : Ggit.RemoteCallbacks
223         {
224                 //private Remote d_remote;
225                 private Ggit.RemoteCallbacks? d_proxy = null;
226
227                 public delegate void TransferProgress(Ggit.TransferProgress stats);
228                 //private TransferProgress? d_transfer_progress;
229
230                 public Callbacks( Repo repo)  //, Ggit.RemoteCallbacks? proxy) //,Remote remote, owned TransferProgress? transfer_progress)
231                 {
232                         //d_remote = remote;
233                         //d_proxy = proxy;
234                         //d_transfer_progress = (owned)transfer_progress;
235                 }
236
237                 protected override void progress(string message)
238                 {
239                         GLib.debug("progress");
240                         if (d_proxy != null)
241                         {
242                                 d_proxy.progress(message);
243                         }
244                 }
245
246                 protected override void transfer_progress(Ggit.TransferProgress stats)
247                 {
248                         GLib.debug("transfer_progress");
249                         /*
250                         if (d_transfer_progress != null)
251                         {
252                                 d_transfer_progress(stats);
253                         }
254
255                         if (d_proxy != null)
256                         {
257                                 d_proxy.transfer_progress(stats);
258                         }
259                         */
260                 }
261
262                 protected override void update_tips(string refname, Ggit.OId a, Ggit.OId b)
263                 {
264                         GLib.debug("update_tips");
265                         //d_remote.tip_updated(refname, a, b);
266
267                         if (d_proxy != null)
268                         {
269                                 d_proxy.update_tips(refname, a, b);
270                         }
271                 }
272
273                 protected override void completion(Ggit.RemoteCompletionType type)
274                 {
275                         GLib.debug("completion");
276                         if (d_proxy != null)
277                         {
278                                 d_proxy.completion(type);
279                         }
280                 }
281
282                 protected override Ggit.Cred? credentials(string url, string? username_from_url, Ggit.Credtype allowed_types) throws Error
283                 {
284  
285                         GLib.debug("get credentials %s  UN=%s", url, username_from_url);
286                         var uri = new Soup.URI(url);
287
288                         if (uri != null) {
289                                 var ret = this.netrc(uri.get_host());
290                                 if (ret != null) {
291                                         return ret;
292                                 }
293                                 
294                                 //return new Ggit.CredPlaintext(username_from_url, "test");
295                         }
296                         return null;
297                         /*var provider = d_remote.credentials_provider;
298
299                         if (provider != null)
300                         {
301                                 ret = provider.credentials(url, username_from_url, allowed_types);
302                         }
303
304                         if (ret == null && d_proxy != null)
305                         {
306                                 ret = d_proxy.credentials(url, username_from_url, allowed_types);
307                         }
308                         
309                         return ret;
310                         */
311                 }
312                 public  Ggit.Cred netrc(string domain) 
313                 {
314                         string str;
315                         GLib.FileUtils.get_contents(GLib.Environment.get_home_dir() + "/.netrc", out str);
316                         var lines = str.split("\n");
317                         for(var i=0; i< lines.length; i++) {
318                                 // assumes one line per entry.. if not we are buggered...
319                                 //GLib.debug("got %s" , lines[i]);
320                         
321                                 var bits =  Regex.split_simple ("[ \t]+", lines[i].strip());
322                                 if (bits.length < 6 || bits[0] != "machine" || bits[1] != domain) {
323                                         continue;
324                                 }
325                                 GLib.debug("found password?");
326                                 // we are gussing.... 
327                                 return new Ggit.CredPlaintext(bits[3], bits[5]);
328
329                         }
330                         return null;
331
332
333                 
334                 
335                 }
336                 
337         }
338         
339         
340
341 }