diff options
Diffstat (limited to 'apt-pkg/pkgcachegen.cc')
-rw-r--r-- | apt-pkg/pkgcachegen.cc | 60 |
1 files changed, 45 insertions, 15 deletions
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index 5147d7547..3545517fe 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -38,6 +38,9 @@ typedef vector<pkgIndexFile *>::iterator FileIterator; template <typename Iter> std::vector<Iter*> pkgCacheGenerator::Dynamic<Iter>::toReMap; +bool IsDuplicateDescription(pkgCache::DescIterator Desc, + MD5SumValue const &CurMd5, std::string const &CurLang); + // CacheGenerator::pkgCacheGenerator - Constructor /*{{{*/ // --------------------------------------------------------------------- /* We set the dirty flag and make sure that is written to the disk */ @@ -242,8 +245,11 @@ bool pkgCacheGenerator::MergeList(ListParser &List, bool pkgCacheGenerator::MergeListGroup(ListParser &List, std::string const &GrpName) { pkgCache::GrpIterator Grp = Cache.FindGrp(GrpName); + // a group has no data on it's own, only packages have it but these + // stanzas like this come from Translation- files to add descriptions, + // but without a version we don't need a description for it… if (Grp.end() == true) - return _error->Error("Information merge for non-existent group %s requested", GrpName.c_str()); + return true; Dynamic<pkgCache::GrpIterator> DynGrp(Grp); pkgCache::PkgIterator Pkg; @@ -268,6 +274,7 @@ bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator // Find the right version to write the description MD5SumValue CurMd5 = List.Description_md5(); + std::string CurLang = List.DescriptionLanguage(); for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver) { @@ -275,15 +282,9 @@ bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator Dynamic<pkgCache::DescIterator> DynDesc(Desc); map_ptrloc *LastDesc = &Ver->DescriptionList; - // don't add a new description if we have one for the given // md5 && language - bool duplicate = false; - for ( ; Desc.end() == false; ++Desc) - if (MD5SumValue(Desc.md5()) == CurMd5 && - Desc.LanguageCode() == List.DescriptionLanguage()) - duplicate=true; - if (duplicate == true) + if (IsDuplicateDescription(Desc, CurMd5, CurLang) == true) continue; for (Desc = Ver.DescriptionList(); @@ -295,7 +296,7 @@ bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator // Add new description void const * const oldMap = Map.Data(); - map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc); + map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc); if (oldMap != Map.Data()) LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; *LastDesc = descindex; @@ -391,16 +392,34 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator return true; } - /* Record the Description data. Description data always exist in - Packages and Translation-* files. */ + /* Record the Description (it is not translated) */ + MD5SumValue CurMd5 = List.Description_md5(); + if (CurMd5.Value().empty() == true) + return true; + std::string CurLang = List.DescriptionLanguage(); + + /* 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)) + { + for (pkgCache::VerIterator V = P.VersionList(); + V.end() == false; ++V) + { + if (IsDuplicateDescription(V.DescriptionList(), CurMd5, "") == false) + continue; + Ver->DescriptionList = V->DescriptionList; + return true; + } + } + + // We haven't found reusable descriptions, so add the first description pkgCache::DescIterator Desc = Ver.DescriptionList(); Dynamic<pkgCache::DescIterator> DynDesc(Desc); map_ptrloc *LastDesc = &Ver->DescriptionList; - // Skip to the end of description set - for (; Desc.end() == false; LastDesc = &Desc->NextDesc, ++Desc); - - // Add new description oldMap = Map.Data(); map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc); if (oldMap != Map.Data()) @@ -1403,3 +1422,14 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O return true; } /*}}}*/ +// IsDuplicateDescription /*{{{*/ +bool IsDuplicateDescription(pkgCache::DescIterator Desc, + MD5SumValue const &CurMd5, std::string const &CurLang) +{ + for ( ; Desc.end() == false; ++Desc) + if (MD5SumValue(Desc.md5()) == CurMd5 && Desc.LanguageCode() == CurLang) + return true; + return false; +} + /*}}}*/ + |