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)
95                 {
96                         GLib.debug("lookup %s", remote_name);
97                         foreach(var br in this.branches) {
98                                 if (br.get_upstream().get_name() == remote_name) {
99                                         return br;
100                                 }
101                                 
102                         }
103                         GLib.debug("missing %s", remote_name);                  
104                         return null;
105                 
106                 }
107                 
108                 
109                 
110                 public void fetchAll()
111                 {
112                         // remotes probably will not work with http auth..
113                         var ar = this.repo.list_remotes();
114                         foreach(var n in ar) {
115                                 GLib.debug("got remote '%s'", n);
116                                 var r = this.repo.lookup_remote(n);
117                                 GLib.debug("connecting '%s'", r.get_url());
118                                  
119                                 try {
120                                         string[] h = { "a = 1" };
121                                         r.connect(Ggit.Direction.FETCH, this.callbacks, null, null);
122                                         
123                                 } catch (Error e) {
124                                         GLib.debug("Got Error Message: %s", e.message);
125                                         return;
126                                 }
127                                 
128                                 var heads = r.list();
129                                 foreach(var rh in heads) {
130                                         var br = this.getBranch(rh.get_name());
131                                 
132                                         GLib.debug("got heads: name=%s   rev=%s  localrev=%s",
133                                                 rh.get_name(), 
134                                                 rh.get_oid().to_string(),
135                                                 br == null ? "?": this.repo.revparse(br.get_name() ).get_id().to_string()
136                                         );
137                                 
138                                 }
139                                 
140                                 
141                                 
142                                 GLib.debug("getting specs '%s'", n);
143
144
145                                 var far = r.get_fetch_specs();
146                                 
147                                 foreach(var rs in far) {
148                                         GLib.debug("got remote spec: %s", rs);
149                                         
150                                 }
151                                 var options = new Ggit.FetchOptions();
152                                 options.set_remote_callbacks(this.callbacks);
153                                 //yield Async.thread(() => {
154         
155                                         r.download(far, options);
156                                 //});
157                                 r.disconnect();
158                                 
159                                 //r.download(
160                         }
161                 
162                 }
163                 
164                 
165                 
166                 public void pushAll()
167                 {
168                         // remotes probably will not work with http auth..
169                         var ar = this.repo.list_remotes();
170                         foreach(var n in ar) {
171                                 GLib.debug("got remote '%s'", n);
172                                 var r = this.repo.lookup_remote(n);
173                                 GLib.debug("connecting '%s'", r.get_url());
174                                  
175                                 try {
176                                         string[] h = { "a = 1" };
177                                          r.connect(Ggit.Direction.PUSH, this.callbacks, null, null);
178                                         
179                                 } catch (Error e) {
180                                         GLib.debug("Got Error Message: %s", e.message);
181                                         return;
182                                 }
183                                 //GLib.debug("getting specs '%s'", n);
184                                 /* 
185                                 
186                                 this.repo.add_remote_push(
187                                         "origin",
188                                         "+%s:%s".printf(head.get_shorthand(),head.get_name())
189                                 );
190  */
191                                 var head = this.repo.get_head();
192                                 string[] far = {};
193                                 far += "+%s:%s".printf(head.get_name(),head.get_name());
194                                 
195                                 foreach(var rs in far) {
196                                         GLib.debug("got remote spec: %s", rs);
197                                         
198                                 }
199                                         
200                                 var popts = new Ggit.PushOptions();
201                                  popts.callbacks = this.callbacks;
202                                 GLib.debug("Push?");
203                                 r.upload(far,popts);
204                                 GLib.debug("Push done?");
205                                 r.disconnect();
206                                 
207                                 
208                                 //r.download(
209                         }
210                 
211                 }
212                 
213                 
214                 
215
216         }
217         
218         private class Callbacks : Ggit.RemoteCallbacks
219         {
220                 //private Remote d_remote;
221                 private Ggit.RemoteCallbacks? d_proxy = null;
222
223                 public delegate void TransferProgress(Ggit.TransferProgress stats);
224                 //private TransferProgress? d_transfer_progress;
225
226                 public Callbacks( Repo repo)  //, Ggit.RemoteCallbacks? proxy) //,Remote remote, owned TransferProgress? transfer_progress)
227                 {
228                         //d_remote = remote;
229                         //d_proxy = proxy;
230                         //d_transfer_progress = (owned)transfer_progress;
231                 }
232
233                 protected override void progress(string message)
234                 {
235                         GLib.debug("progress");
236                         if (d_proxy != null)
237                         {
238                                 d_proxy.progress(message);
239                         }
240                 }
241
242                 protected override void transfer_progress(Ggit.TransferProgress stats)
243                 {
244                         GLib.debug("transfer_progress");
245                         /*
246                         if (d_transfer_progress != null)
247                         {
248                                 d_transfer_progress(stats);
249                         }
250
251                         if (d_proxy != null)
252                         {
253                                 d_proxy.transfer_progress(stats);
254                         }
255                         */
256                 }
257
258                 protected override void update_tips(string refname, Ggit.OId a, Ggit.OId b)
259                 {
260                         GLib.debug("update_tips");
261                         //d_remote.tip_updated(refname, a, b);
262
263                         if (d_proxy != null)
264                         {
265                                 d_proxy.update_tips(refname, a, b);
266                         }
267                 }
268
269                 protected override void completion(Ggit.RemoteCompletionType type)
270                 {
271                         GLib.debug("completion");
272                         if (d_proxy != null)
273                         {
274                                 d_proxy.completion(type);
275                         }
276                 }
277
278                 protected override Ggit.Cred? credentials(string url, string? username_from_url, Ggit.Credtype allowed_types) throws Error
279                 {
280  
281                         GLib.debug("get credentials %s  UN=%s", url, username_from_url);
282                         var uri = new Soup.URI(url);
283
284                         if (uri != null) {
285                                 var ret = this.netrc(uri.get_host());
286                                 if (ret != null) {
287                                         return ret;
288                                 }
289                                 
290                                 //return new Ggit.CredPlaintext(username_from_url, "test");
291                         }
292                         return null;
293                         /*var provider = d_remote.credentials_provider;
294
295                         if (provider != null)
296                         {
297                                 ret = provider.credentials(url, username_from_url, allowed_types);
298                         }
299
300                         if (ret == null && d_proxy != null)
301                         {
302                                 ret = d_proxy.credentials(url, username_from_url, allowed_types);
303                         }
304                         
305                         return ret;
306                         */
307                 }
308                 public  Ggit.Cred netrc(string domain) 
309                 {
310                         string str;
311                         GLib.FileUtils.get_contents(GLib.Environment.get_home_dir() + "/.netrc", out str);
312                         var lines = str.split("\n");
313                         for(var i=0; i< lines.length; i++) {
314                                 // assumes one line per entry.. if not we are buggered...
315                                 //GLib.debug("got %s" , lines[i]);
316                         
317                                 var bits =  Regex.split_simple ("[ \t]+", lines[i].strip());
318                                 if (bits.length < 6 || bits[0] != "machine" || bits[1] != domain) {
319                                         continue;
320                                 }
321                                 GLib.debug("found password?");
322                                 // we are gussing.... 
323                                 return new Ggit.CredPlaintext(bits[3], bits[5]);
324
325                         }
326                         return null;
327
328
329                 
330                 
331                 }
332                 
333         }
334         
335         
336
337 }