]> git.saurik.com Git - apt.git/blobdiff - cmdline/apt-get.cc
* cmdline/apt-get.cc:
[apt.git] / cmdline / apt-get.cc
index d4a6bee3215152324c2ec7a38ad3d03d5ce94dc3..25d205a4f0b63249541d36115e10c10565bba709 100644 (file)
@@ -1406,6 +1406,51 @@ bool DoUpgrade(CommandLine &CmdL)
    return InstallPackages(Cache,true);
 }
                                                                        /*}}}*/
+// DoInstallTask - Install task from the command line                  /*{{{*/
+// ---------------------------------------------------------------------
+/* Install named task */
+bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix, 
+                   bool BrokenFix,
+                   unsigned int& ExpectedInst, 
+                   const char *taskname)
+{
+   const char *start, *end;
+   pkgCache::PkgIterator Pkg;
+   char buf[64*1024];
+   regex_t Pattern;
+
+   // get the records
+   pkgRecords Recs(Cache);
+
+   // build regexp for the task
+   char S[300];
+   snprintf(S, sizeof(S), "^Task:.*[^a-z]%s[^a-z].*\n", taskname);
+   regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
+   
+   bool found = false;
+   bool res = true;
+   for (Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+   {
+      pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache);
+      if(ver.end())
+        continue;
+      pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
+      parser.GetRec(start,end);
+      strncpy(buf, start, end-start);
+      buf[end-start] = 0x0;
+      if (regexec(&Pattern,buf,0,0,0) != 0)
+        continue;
+      res &= TryToInstall(Pkg,Cache,Fix,false,true,ExpectedInst);
+      found = true;
+   }
+   
+   if(!found)
+      _error->Error(_("Couldn't find task %s"),taskname);
+
+   regfree(&Pattern);
+   return res;
+}
+
 // DoInstall - Install packages from the command line                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Install named packages */
@@ -1442,6 +1487,18 @@ bool DoInstall(CommandLine &CmdL)
       bool Remove = DefRemove;
       char *VerTag = 0;
       bool VerIsRel = false;
+
+      // this is a task!
+      if (Length >= 1 && S[Length - 1] == '^')
+      {
+        S[--Length] = 0;
+        // tasks must always be confirmed
+        ExpectedInst += 1000;
+        // see if we can install it
+        TryInstallTask(Cache, Fix, BrokenFix, ExpectedInst, S);
+        continue;
+      }
+
       while (Cache->FindPkg(S).end() == true)
       {
         // Handle an optional end tag indicating what to do
@@ -1458,7 +1515,7 @@ bool DoInstall(CommandLine &CmdL)
            S[--Length] = 0;
            continue;
         }
-        
+
         char *Slash = strchr(S,'=');
         if (Slash != 0)
         {
@@ -1609,68 +1666,86 @@ bool DoInstall(CommandLine &CmdL)
       string SuggestsVersions, RecommendsVersions;
       for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
       {
-        pkgCache::PkgIterator I(Cache,Cache.List[J]);
+        pkgCache::PkgIterator Pkg(Cache,Cache.List[J]);
 
         /* Just look at the ones we want to install */
-        if ((*Cache)[I].Install() == false)
+        if ((*Cache)[Pkg].Install() == false)
           continue;
 
-        for (pkgCache::VerIterator V = I.VersionList(); V.end() == false; V++)
-         {
-            for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; )
-             {
-                pkgCache::DepIterator Start;
-                pkgCache::DepIterator End;
-                D.GlobOr(Start,End); // advances D
-
-                /* 
-                 * If this is a virtual package, we need to check the list of
-                 * packages that provide it and see if any of those are
-                 * installed
-                 */
-                
-                bool providedBySomething = false;
-                for (pkgCache::PrvIterator Prv = Start.TargetPkg().ProvidesList();
-                      Prv.end() != true;
-                      Prv++)
-                   if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
-                    {
-                      providedBySomething = true;
-                      break;
-                   }
-
-                if (providedBySomething) continue;
-            
-                 for(;;)
-                 {
-                     /* Skip if package is  installed already, or is about to be */
-                     string target = string(Start.TargetPkg().Name()) + " ";
-
-                     if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install
-                         || Cache[Start.TargetPkg()].Install())
-                       break;
-
-                     /* Skip if we already saw it */
-                     if (int(SuggestsList.find(target)) != -1 || int(RecommendsList.find(target)) != -1)
-                       break; 
-
-                    if (Start->Type == pkgCache::Dep::Suggests) {
-                      SuggestsList += target;
-                      SuggestsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
-                    }
-                    
-                    if (Start->Type == pkgCache::Dep::Recommends) {
-                      RecommendsList += target;
-                      RecommendsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
-                    }
-
-                     if (Start >= End)
-                        break;
-                     Start++;
-                 }
-             }
-         }
+        // get the recommends/suggests for the candidate ver
+        pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache);
+        for (pkgCache::DepIterator D = CV.DependsList(); D.end() == false; )
+        {
+           pkgCache::DepIterator Start;
+           pkgCache::DepIterator End;
+           D.GlobOr(Start,End); // advances D
+
+           // FIXME: we really should display a or-group as a or-group to the user
+           //        the problem is that ShowList is incapable of doing this
+           string RecommendsOrList,RecommendsOrVersions;
+           string SuggestsOrList,SuggestsOrVersions;
+           bool foundInstalledInOrGroup = false;
+           for(;;)
+           {
+              /* Skip if package is  installed already, or is about to be */
+              string target = string(Start.TargetPkg().Name()) + " ";
+              
+              if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install
+                  || Cache[Start.TargetPkg()].Install())
+              {
+                 foundInstalledInOrGroup=true;
+                 break;
+              }
+
+              /* Skip if we already saw it */
+              if (int(SuggestsList.find(target)) != -1 || int(RecommendsList.find(target)) != -1)
+              {
+                 foundInstalledInOrGroup=true;
+                 break; 
+              }
+
+              // this is a dep on a virtual pkg, check if any package that provides it
+              // should be installed
+              if(Start.TargetPkg().ProvidesList() != 0)
+              {
+                 pkgCache::PrvIterator I = Start.TargetPkg().ProvidesList();
+                 for (; I.end() == false; I++)
+                 {
+                    pkgCache::PkgIterator Pkg = I.OwnerPkg();
+                    if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer() && 
+                        Pkg.CurrentVer() != 0)
+                       foundInstalledInOrGroup=true;
+                 }
+              }
+
+              if (Start->Type == pkgCache::Dep::Suggests) 
+              {
+                 SuggestsOrList += target;
+                 SuggestsOrVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
+              }
+              
+              if (Start->Type == pkgCache::Dep::Recommends) 
+              {
+                 RecommendsOrList += target;
+                 RecommendsOrVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
+              }
+
+              if (Start >= End)
+                 break;
+              Start++;
+           }
+           
+           if(foundInstalledInOrGroup == false)
+           {
+              RecommendsList += RecommendsOrList;
+              RecommendsVersions += RecommendsOrVersions;
+              SuggestsList += SuggestsOrList;
+              SuggestsVersions += SuggestsOrVersions;
+           }
+              
+        }
       }
+
       ShowList(c1out,_("Suggested packages:"),SuggestsList,SuggestsVersions);
       ShowList(c1out,_("Recommended packages:"),RecommendsList,RecommendsVersions);