git.roojs.org Git - gitlive/blob - 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 int ahead = 0;
  40     public int behind = 0;
  41
  42
  43
  44         public string toString()
  45         {
  46                 return
  47                         "active: " + (active ? "true" : "false") + "\n" +
  48                         "is_remote: " + (is_remote ? "true" : "false") + "\n" +
  49                         "lastrev: " + lastrev + "\n" +
  50                         "name: " + name + "\n" +
  51                         "remote: " + remote + "\n" +
  52                         "remoterev: " + remoterev + "\n" +
  53                         "age: " + age + "\n" ;
  54         }
  55
  56
  57         public GitBranch(GitRepo repo)
  58         {
  59                 this.repo = repo;
  60         }
  61
  62
  63
  64
  65         public static  void loadBranches(GitRepo repo)
  66         {
  67                 repo.branches = new Gee.HashMap<string,GitBranch>();
  68
  69         //var branches =  new Gee.HashMap<string,GitBranch>();
  70         //var local =  new Gee.HashMap<string,GitBranch>();
  71         var remotes  =  new Gee.HashMap<string,Ggit.OId>();
  72         var remotes_used  =  new Gee.HashMap<string,bool>();
  73
  74
  75
  76                 var rem = repo.repo.lookup_remote("origin");
  77                 var cb = new GitCallbacks(repo);
  78                 rem.connect(Ggit.Direction.FETCH, cb, null, null);
  79                 var remote_heads = rem.list();
  80                 foreach(var rh in remote_heads) {
  81                         var rn = rh.get_name();
  82                         if (!rn.has_prefix("refs/heads/")) {
  83                                 continue;
  84                         }
  85                         remotes.set(rn.substring(11), rh.get_oid());
  86                         remotes_used.set(rn.substring(11), false);
  87
  88           }
  89
  90
  91                 var r = repo.repo.enumerate_branches(Ggit.BranchType.LOCAL);
  92                 while (r.next()) {
  93
  94
  95
  96                         var br = new GitBranch(repo);
  97                         var gbr = r.get() as Ggit.Branch;
  98                         if (!gbr.is_branch()) {
  99                                 continue;
 100                         }
 101
 102                         br.active = gbr.is_head();
 103                         br.name = gbr.get_name();
 104                         br.lastrev = gbr.get_target().to_string();
 105                         string rname ;
 106                         try {
 107                                 rname = gbr.get_upstream() != null ? gbr.get_upstream().get_name() : "";
 108                         } catch(Error e) {
 109                                 GLib.debug("Skip branch = got error");
 110                                 continue;
 111                         }
 112                         repo.branches.set(gbr.get_name(), br);
 113                         if (rname.has_prefix("refs/remotes/origin/")) {
 114                                 rname = rname.substring(20);
 115                                 if (remotes.has_key(rname)) {
 116                                         br.remote = rname;
 117                                         br.remoterev = remotes.get(rname).to_string();
 118                                         remotes_used.set(rname,true);
 119                                         size_t ahead, behind;
 120                                         repo.repo.get_ahead_behind(
 121                                                 gbr.get_target(),
 122                                                 remotes.get(rname),
 123                                                 out ahead,
 124                                                 out behind
 125                                         );
 126                                         br.ahead = (int)ahead;
 127                                         br.behind = (int) behind;
 128
 129                                 }
 130
 131
 132                                 // age?
 133                                 // behind or infront..
 134                         }
 135                         if (br.active) {
 136                                 GLib.debug("repo: %s currentBranch = %s", repo.name, br.name);
 137                                 repo.currentBranch = br;
 138                         }
 139
 140                 }
 141
 142                 // find unused remotes.. and track them...
 143                 foreach(var rn in remotes_used.keys) {
 144                         if (remotes_used.get(rn)) {
 145                                 continue;
 146                         }
 147                         if (repo.branches.has_key(rn)) {
 148                                 GLib.debug("skip tracking branch - same name exists?");
 149                                 continue;
 150                         }
 151                         // not clear how to do this yet...
 152                         try {
 153                                 repo.git(  { "branch" ,"--track" , rn,  "origin/" + rn} );
 154                         } catch (Error e) {
 155                                 continue; // allow failure?
 156                         }
 157                         var br = new GitBranch(repo);
 158                         br.name = rn;
 159                         br.lastrev = ""; // it's behind
 160                         br.remoterev  =  remotes.get(rn).to_string();
 161                         br.remote = rn;
 162                         br.ahead = 0;
 163                         br.behind = 1;
 164                         // behind/ahead == 0...
 165                         repo.branches.set(rn, br);
 166
 167                 }
 168                 if (repo.currentBranch == null) {
 169                         GLib.error("could not find active Branch for %s", repo.name);
 170                 }
 171
 172
 173
 174         /*
 175       //         repo.git( { "fetch",  "-a" } ); == done async before...
 176
 177         string[] cmd = { "branch",   "--no-color", "--verbose", "--no-abbrev" , "-a"  };
 178         var res = repo.git( cmd );
 179         var lines = res.split("\n");
 180         for (var i = 0; i < lines.length ; i++) {
 181                 var br = new GitBranch(repo);
 182                 if (!br.parseBranchListItem(lines[i])) {
 183                         continue;
 184                 }
 185                 GLib.debug("add branch %s", br.realName());
 186                 if (!br.is_remote) {
 187                         local.set(br.name, br);
 188                 } else {
 189                         remotes.set(br.remote, br);
 190                         }
 191
 192                 branches.set(br.realName(), br);
 193                 if (br.active) {
 194                         repo.currentBranch = br;
 195                 }
 196         }
 197
 198          var bl = repo.git({
 199                 "for-each-ref",
 200                 "--format",   "%(refname:short):remotes/%(upstream:short):remotes/%(authordate:relative)",
 201                 "refs/heads"
 202                 }).split("\n");
 203
 204         foreach(var line in bl) {
 205                 if (line.length < 1) continue;
 206
 207                 var ar = line.split(":remotes/");
 208                 var lname= ar[0];
 209             var rname = "remotes/" + ar[1];
 210
 211
 212                 //print(rname);
 213                 // we should always have a local version of it.
 214             if (branches.has_key(lname)) {
 215                     branches.get(lname).remote = rname;
 216                     branches.get(lname).age = ar[2];
 217             }
 218
 219             if (!branches.has_key(rname) || !branches.has_key(lname)  ) {
 220                     continue;
 221             }
 222             branches.get(lname).remoterev =  branches.get(rname).lastrev;
 223                 // flag it for not adding..
 224
 225             branches.get(rname).name = lname;
 226         }
 227         foreach(var br in branches.values) {
 228                 GLib.debug("BRANCH:\n%s\n" , br.toString());
 229                 if (br.name.length > 0 || ! /^remotes\/origin\//.match(br.remote)) {
 230                         GLib.debug("SKIP - track exists");
 231                         continue;
 232                 }
 233                 var newname = br.remote.replace("remotes/origin/","");
 234                 if (branches.has_key(newname)) {
 235                         GLib.debug("SKIP - have branch already");
 236                         continue;
 237                         }
 238
 239
 240                 repo.git(  { "branch" ,"--track" , newname,  "origin/" + newname} );
 241                 //
 242                 br.name  = newname;
 243                 local.set(br.name, br);
 244         }
 245         */
 246         /*
 247         this bit of the code tries to turn a local branch into a track of a remote one.
 248         -- that's probably not a good idea.
 249         var r_replace = new Regex("^remotes/");
 250         var o_replace = new Regex("^origin/");
 251         foreach(var r in remotes.values) {
 252                 if (r.name.length >0) {
 253                         return;
 254                 }
 255                 var name = r_replace.replace(r.name, r.name.length,0, "");
 256                 name = o_replace.replace(name, name.length,0, "");
 257                 name = name.replace("/", ".");
 258
 259         }
 260
 261         repo.branches = local;
 262          */
 263
 264
 265         }
 266
 267
 268         public bool parseBranchListItem(string str)
 269         {
 270                 if (str.length  < 1) {
 271                         return false;
 272                 }
 273                 this.active = str[0] == '*';
 274
 275                 var parts = Regex.split_simple ("[ \t]+", str.substring(2).strip());
 276                 if (parts[1] == "->") { // it's an alias.. eg. remotes/origin/HEAD -> origin/master..
 277                         return false;
 278                 }
 279                 this.is_remote = false;
 280                 this.lastrev = parts[1];
 281                 if (parts[0].has_prefix("remotes/")) {
 282                         this.is_remote  = true;
 283                         this.remote = parts[0];
 284                 } else {
 285                         this.name = parts[0];
 286                 }
 287             return true;
 288         }
 289         public string  realName()
 290         {
 291                 return this.is_remote ? this.remote : this.name;
 292         }
 293
 294 //      public void create() { }
 295
 296 }
 297
 298