+// 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
+ for (pkgCache::GrpIterator G = GetCache().GrpBegin(); G.end() != true; G++)
+ {
+ string const PkgName = G.Name();
+ for (pkgCache::PkgIterator P = G.PackageList(); P.end() != true; P = G.NextPkg(P))
+ {
+ if (strcmp(P.Arch(),"all") == 0)
+ continue;
+ pkgCache::PkgIterator allPkg;
+ for (pkgCache::VerIterator V = P.VersionList(); V.end() != true; V++)
+ {
+ string const Arch = V.Arch(true);
+ 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::All ||
+ V->MultiArch == pkgCache::Version::Same);
+ if (V->MultiArch == pkgCache::Version::All && allPkg.end() == true)
+ allPkg = G.FindPkg("all");
+ 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);
+ 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::Less, pkgCache::Dep::DpkgBreaks,
+ OldDepLast);
+ NewDepends(D, V, V.VerStr(),
+ pkgCache::Dep::Greater, pkgCache::Dep::DpkgBreaks,
+ OldDepLast);
+ if (V->MultiArch == pkgCache::Version::All)
+ {
+ // Depend on ${self}:all which does depend on nothing
+ NewDepends(allPkg, V, V.VerStr(),
+ pkgCache::Dep::Equals, pkgCache::Dep::Depends,
+ OldDepLast);
+ }
+ } else {
+ // Conflicts: ${self}:other
+ NewDepends(D, V, "",
+ pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
+ OldDepLast);
+ }
+ }
+ }
+ }
+ }
+ }
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::NewDepends - Create a dependency element /*{{{*/
projects / apt.git / blobdiff