add implicit dependencies needed for Multi-Arch at the time a Version
[ntk/apt.git] / apt-pkg / pkgcachegen.cc
index 47441d6..9f999c4 100644 (file)
@@ -392,6 +392,31 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator
       return _error->Error(_("Error occurred while processing %s (%s%d)"),
                           Pkg.Name(), "NewFileVer", 2);
 
+   pkgCache::GrpIterator Grp = Pkg.Group();
+   Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+
+   /* If it is the first version of this package we need to add implicit
+      Multi-Arch dependencies to all other package versions in the group now -
+      otherwise we just add them for this new version */
+   if (Pkg.VersionList()->NextVer == 0)
+   {
+      pkgCache::PkgIterator P = Grp.PackageList();
+      Dynamic<pkgCache::PkgIterator> DynP(P);
+      for (; P.end() != true; P = Grp.NextPkg(P))
+      {
+        if (P->ID == Pkg->ID)
+           continue;
+        pkgCache::VerIterator V = P.VersionList();
+        Dynamic<pkgCache::VerIterator> DynV(V);
+        for (; V.end() != true; ++V)
+           if (unlikely(AddImplicitDepends(V, Pkg) == false))
+              return _error->Error(_("Error occurred while processing %s (%s%d)"),
+                                   Pkg.Name(), "AddImplicitDepends", 1);
+      }
+   }
+   if (unlikely(AddImplicitDepends(Grp, Pkg, Ver) == false))
+      return _error->Error(_("Error occurred while processing %s (%s%d)"),
+                          Pkg.Name(), "AddImplicitDepends", 2);
 
    // Read only a single record and return
    if (OutVer != 0)
@@ -409,7 +434,6 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator
    /* Before we add a new description we first search in the group for
       a version with a description of the same MD5 - if so we reuse this
       description group instead of creating our own for this version */
-   pkgCache::GrpIterator Grp = Pkg.Group();
    for (pkgCache::PkgIterator P = Grp.PackageList();
        P.end() == false; P = Grp.NextPkg(P))
    {
@@ -573,6 +597,75 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name
 
    return true;
 }
+                                                                       /*}}}*/
+// CacheGenerator::AddImplicitDepends                                  /*{{{*/
+bool pkgCacheGenerator::AddImplicitDepends(pkgCache::GrpIterator &G,
+                                          pkgCache::PkgIterator &P,
+                                          pkgCache::VerIterator &V)
+{
+   // copy P.Arch() into a string here as a cache remap
+   // in NewDepends() later may alter the pointer location
+   string Arch = P.Arch() == NULL ? "" : P.Arch();
+   map_ptrloc *OldDepLast = NULL;
+   /* MultiArch handling introduces a lot of implicit Dependencies:
+      - MultiArch: same → Co-Installable if they have the same version
+      - All others conflict with all other group members */
+   bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
+   pkgCache::PkgIterator D = G.PackageList();
+   Dynamic<pkgCache::PkgIterator> DynD(D);
+   for (; D.end() != true; D = G.NextPkg(D))
+   {
+      if (Arch == D.Arch() || D->VersionList == 0)
+        continue;
+      /* We allow only one installed arch at the time
+        per group, therefore each group member conflicts
+        with all other group members */
+      if (coInstall == true)
+      {
+        // Replaces: ${self}:other ( << ${binary:Version})
+        NewDepends(D, V, V.VerStr(),
+                   pkgCache::Dep::Less, pkgCache::Dep::Replaces,
+                   OldDepLast);
+        // Breaks: ${self}:other (!= ${binary:Version})
+        NewDepends(D, V, V.VerStr(),
+                   pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
+                   OldDepLast);
+      } else {
+        // Conflicts: ${self}:other
+        NewDepends(D, V, "",
+                   pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
+                   OldDepLast);
+      }
+   }
+   return true;
+}
+bool pkgCacheGenerator::AddImplicitDepends(pkgCache::VerIterator &V,
+                                          pkgCache::PkgIterator &D)
+{
+   /* MultiArch handling introduces a lot of implicit Dependencies:
+      - MultiArch: same → Co-Installable if they have the same version
+      - All others conflict with all other group members */
+   map_ptrloc *OldDepLast = NULL;
+   bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
+   if (coInstall == true)
+   {
+      // Replaces: ${self}:other ( << ${binary:Version})
+      NewDepends(D, V, V.VerStr(),
+                pkgCache::Dep::Less, pkgCache::Dep::Replaces,
+                OldDepLast);
+      // Breaks: ${self}:other (!= ${binary:Version})
+      NewDepends(D, V, V.VerStr(),
+                pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
+                OldDepLast);
+   } else {
+      // Conflicts: ${self}:other
+      NewDepends(D, V, "",
+                pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
+                OldDepLast);
+   }
+   return true;
+}
+
                                                                        /*}}}*/
 // CacheGenerator::NewFileVer - Create a new File<->Version association        /*{{{*/
 // ---------------------------------------------------------------------
@@ -692,76 +785,6 @@ map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc,
    return Description;
 }
                                                                        /*}}}*/
-// CacheGenerator::FinishCache - do various finish operations          /*{{{*/
-// ---------------------------------------------------------------------
-/* This prepares the Cache for delivery */
-bool pkgCacheGenerator::FinishCache(OpProgress *Progress)
-{
-   // FIXME: add progress reporting for this operation
-   // Do we have different architectures in your groups ?
-   vector<string> archs = APT::Configuration::getArchitectures();
-   if (archs.size() > 1)
-   {
-      // Create Conflicts in between the group
-      pkgCache::GrpIterator G = GetCache().GrpBegin();
-      Dynamic<pkgCache::GrpIterator> DynG(G);
-      for (; G.end() != true; ++G)
-      {
-        string const PkgName = G.Name();
-        pkgCache::PkgIterator P = G.PackageList();
-        Dynamic<pkgCache::PkgIterator> DynP(P);
-        for (; P.end() != true; P = G.NextPkg(P))
-        {
-           pkgCache::PkgIterator allPkg;
-           Dynamic<pkgCache::PkgIterator> DynallPkg(allPkg);
-           pkgCache::VerIterator V = P.VersionList();
-           Dynamic<pkgCache::VerIterator> DynV(V);
-           for (; V.end() != true; ++V)
-           {
-               // copy P.Arch() into a string here as a cache remap
-               // in NewDepends() later may alter the pointer location
-              string Arch = P.Arch() == NULL ? "" : P.Arch();
-              map_ptrloc *OldDepLast = NULL;
-              /* MultiArch handling introduces a lot of implicit Dependencies:
-               - MultiArch: same → Co-Installable if they have the same version
-               - Architecture: all → Need to be Co-Installable for internal reasons
-               - All others conflict with all other group members */
-              bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
-              for (vector<string>::const_iterator A = archs.begin(); A != archs.end(); ++A)
-              {
-                 if (*A == Arch)
-                    continue;
-                 /* We allow only one installed arch at the time
-                    per group, therefore each group member conflicts
-                    with all other group members */
-                 pkgCache::PkgIterator D = G.FindPkg(*A);
-                 Dynamic<pkgCache::PkgIterator> DynD(D);
-                 if (D.end() == true)
-                    continue;
-                 if (coInstall == true)
-                 {
-                    // Replaces: ${self}:other ( << ${binary:Version})
-                    NewDepends(D, V, V.VerStr(),
-                               pkgCache::Dep::Less, pkgCache::Dep::Replaces,
-                               OldDepLast);
-                    // Breaks: ${self}:other (!= ${binary:Version})
-                    NewDepends(D, V, V.VerStr(),
-                               pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
-                               OldDepLast);
-                 } else {
-                       // Conflicts: ${self}:other
-                       NewDepends(D, V, "",
-                                  pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
-                                  OldDepLast);
-                 }
-              }
-           }
-        }
-      }
-   }
-   return true;
-}
-                                                                       /*}}}*/
 // CacheGenerator::NewDepends - Create a dependency element            /*{{{*/
 // ---------------------------------------------------------------------
 /* This creates a dependency element in the tree. It is linked to the
@@ -1324,9 +1347,6 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
       if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
                     Files.begin()+EndOfSource,Files.end()) == false)
         return false;
-
-      // FIXME: move me to a better place
-      Gen.FinishCache(Progress);
    }
    else
    {
@@ -1369,9 +1389,6 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
       if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
                     Files.begin()+EndOfSource,Files.end()) == false)
         return false;
-
-      // FIXME: move me to a better place
-      Gen.FinishCache(Progress);
    }
    if (Debug == true)
       std::clog << "Caches are ready for shipping" << std::endl;
@@ -1422,9 +1439,6 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O
                  Files.begin()+EndOfSource,Files.end()) == false)
       return false;
 
-   // FIXME: move me to a better place
-   Gen.FinishCache(Progress);
-
    if (_error->PendingError() == true)
       return false;
    *OutMap = Map.UnGuard();
@@ -1445,4 +1459,9 @@ bool IsDuplicateDescription(pkgCache::DescIterator Desc,
    return false;
 }
                                                                        /*}}}*/
-
+// CacheGenerator::FinishCache                                         /*{{{*/
+bool pkgCacheGenerator::FinishCache(OpProgress *Progress)
+{
+   return true;
+}
+                                                                       /*}}}*/