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-rw-r--r--apt-pkg/pkgcachegen.cc359
1 files changed, 227 insertions, 132 deletions
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc
index f41bb5a0a..870930c72 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 */
@@ -182,82 +185,154 @@ bool pkgCacheGenerator::MergeList(ListParser &List,
if (PackageName.empty() == true)
return false;
- string const Arch = List.Architecture();
-
+ Counter++;
+ if (Counter % 100 == 0 && Progress != 0)
+ Progress->Progress(List.Offset());
+
+ string Arch = List.Architecture();
+ string const Version = List.Version();
+ if (Version.empty() == true && Arch.empty() == true)
+ {
+ if (MergeListGroup(List, PackageName) == false)
+ return false;
+ }
+
+ if (Arch.empty() == true)
+ Arch = _config->Find("APT::Architecture");
+
// Get a pointer to the package structure
pkgCache::PkgIterator Pkg;
Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
if (NewPackage(Pkg, PackageName, Arch) == false)
- return _error->Error(_("Error occurred while processing %s (NewPackage)"),PackageName.c_str());
- Counter++;
- if (Counter % 100 == 0 && Progress != 0)
- Progress->Progress(List.Offset());
+ // TRANSLATOR: The first placeholder is a package name,
+ // the other two should be copied verbatim as they include debug info
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ PackageName.c_str(), "NewPackage", 1);
+
- /* Get a pointer to the version structure. We know the list is sorted
- so we use that fact in the search. Insertion of new versions is
- done with correct sorting */
- string Version = List.Version();
if (Version.empty() == true)
{
- // we first process the package, then the descriptions
- // (this has the bonus that we get MMap error when we run out
- // of MMap space)
- pkgCache::VerIterator Ver(Cache);
- Dynamic<pkgCache::VerIterator> DynVer(Ver);
- if (List.UsePackage(Pkg, Ver) == false)
- return _error->Error(_("Error occurred while processing %s (UsePackage1)"),
- PackageName.c_str());
-
- // Find the right version to write the description
- MD5SumValue CurMd5 = List.Description_md5();
- Ver = Pkg.VersionList();
-
- for (; Ver.end() == false; ++Ver)
- {
- pkgCache::DescIterator Desc = Ver.DescriptionList();
- Dynamic<pkgCache::DescIterator> DynDesc(Desc);
- map_ptrloc *LastDesc = &Ver->DescriptionList;
- bool duplicate=false;
-
- // don't add a new description if we have one for the given
- // md5 && language
- for ( ; Desc.end() == false; ++Desc)
- if (MD5SumValue(Desc.md5()) == CurMd5 &&
- Desc.LanguageCode() == List.DescriptionLanguage())
- duplicate=true;
- if(duplicate)
- continue;
-
- for (Desc = Ver.DescriptionList();
- Desc.end() == false;
- LastDesc = &Desc->NextDesc, ++Desc)
- {
- if (MD5SumValue(Desc.md5()) == CurMd5)
- {
- // Add new description
- void const * const oldMap = Map.Data();
- map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc);
- if (oldMap != Map.Data())
- LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
- *LastDesc = descindex;
- Desc->ParentPkg = Pkg.Index();
-
- if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewFileDesc1)"),PackageName.c_str());
- break;
- }
- }
- }
+ if (MergeListPackage(List, Pkg) == false)
+ return false;
+ }
+ else
+ {
+ if (MergeListVersion(List, Pkg, Version, OutVer) == false)
+ return false;
+ }
- continue;
+ if (OutVer != 0)
+ {
+ FoundFileDeps |= List.HasFileDeps();
+ return true;
}
+ }
- pkgCache::VerIterator Ver = Pkg.VersionList();
- Dynamic<pkgCache::VerIterator> DynVer(Ver);
- map_ptrloc *LastVer = &Pkg->VersionList;
- void const * oldMap = Map.Data();
+ if (Cache.HeaderP->PackageCount >= (1ULL<<sizeof(Cache.PkgP->ID)*8)-1)
+ return _error->Error(_("Wow, you exceeded the number of package "
+ "names this APT is capable of."));
+ if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1)
+ return _error->Error(_("Wow, you exceeded the number of versions "
+ "this APT is capable of."));
+ if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1)
+ return _error->Error(_("Wow, you exceeded the number of descriptions "
+ "this APT is capable of."));
+ if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL)
+ return _error->Error(_("Wow, you exceeded the number of dependencies "
+ "this APT is capable of."));
+
+ FoundFileDeps |= List.HasFileDeps();
+ return true;
+}
+// CacheGenerator::MergeListGroup /*{{{*/
+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 true;
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+
+ pkgCache::PkgIterator Pkg;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
+ if (MergeListPackage(List, Pkg) == false)
+ return false;
+
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::MergeListPackage /*{{{*/
+bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator &Pkg)
+{
+ // we first process the package, then the descriptions
+ // (for deb this package processing is in fact a no-op)
+ pkgCache::VerIterator Ver(Cache);
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ if (List.UsePackage(Pkg, Ver) == false)
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "UsePackage", 1);
+
+ // 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)
+ {
+ pkgCache::DescIterator Desc = Ver.DescriptionList();
+
+ // a version can only have one md5 describing it
+ if (MD5SumValue(Desc.md5()) != CurMd5)
+ continue;
+
+ // don't add a new description if we have one for the given
+ // md5 && language
+ if (IsDuplicateDescription(Desc, CurMd5, CurLang) == true)
+ continue;
+
+ Dynamic<pkgCache::DescIterator> DynDesc(Desc);
+ // we add at the end, so that the start is constant as we need
+ // that to be able to efficiently share these lists
+ map_ptrloc *LastDesc = &Ver->DescriptionList;
+ for (;Desc.end() == false && Desc->NextDesc != 0; ++Desc);
+ if (Desc.end() == false)
+ LastDesc = &Desc->NextDesc;
+
+ void const * const oldMap = Map.Data();
+ map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc);
+ if (oldMap != Map.Data())
+ LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastDesc = descindex;
+ Desc->ParentPkg = Pkg.Index();
+
+ if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileDesc", 1);
+
+ // we can stop here as all "same" versions will share the description
+ break;
+ }
+
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::MergeListVersion /*{{{*/
+bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg,
+ std::string const &Version, pkgCache::VerIterator* &OutVer)
+{
+ pkgCache::VerIterator Ver = Pkg.VersionList();
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ map_ptrloc *LastVer = &Pkg->VersionList;
+ void const * oldMap = Map.Data();
+
+ unsigned long const Hash = List.VersionHash();
+ if (Ver.end() == false)
+ {
+ /* We know the list is sorted so we use that fact in the search.
+ Insertion of new versions is done with correct sorting */
int Res = 1;
- unsigned long const Hash = List.VersionHash();
for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)
{
Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
@@ -275,94 +350,99 @@ bool pkgCacheGenerator::MergeList(ListParser &List,
if (Res == 0 && Ver.end() == false && Ver->Hash == Hash)
{
if (List.UsePackage(Pkg,Ver) == false)
- return _error->Error(_("Error occurred while processing %s (UsePackage2)"),
- PackageName.c_str());
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "UsePackage", 2);
if (NewFileVer(Ver,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewFileVer1)"),
- PackageName.c_str());
-
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileVer", 1);
+
// Read only a single record and return
if (OutVer != 0)
{
*OutVer = Ver;
- FoundFileDeps |= List.HasFileDeps();
return true;
}
-
- continue;
+
+ return true;
}
+ }
- // Add a new version
- map_ptrloc const verindex = NewVersion(Ver,Version,*LastVer);
- if (verindex == 0 && _error->PendingError())
- return _error->Error(_("Error occurred while processing %s (NewVersion%d)"),
- PackageName.c_str(), 1);
+ // Add a new version
+ map_ptrloc const verindex = NewVersion(Ver,Version,*LastVer);
+ if (verindex == 0 && _error->PendingError())
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewVersion", 1);
- if (oldMap != Map.Data())
+ if (oldMap != Map.Data())
LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
- *LastVer = verindex;
- Ver->ParentPkg = Pkg.Index();
- Ver->Hash = Hash;
+ *LastVer = verindex;
+ Ver->ParentPkg = Pkg.Index();
+ Ver->Hash = Hash;
- if (List.NewVersion(Ver) == false)
- return _error->Error(_("Error occurred while processing %s (NewVersion%d)"),
- PackageName.c_str(), 2);
+ if (unlikely(List.NewVersion(Ver) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewVersion", 2);
- if (List.UsePackage(Pkg,Ver) == false)
- return _error->Error(_("Error occurred while processing %s (UsePackage3)"),
- PackageName.c_str());
-
- if (NewFileVer(Ver,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewVersion%d)"),
- PackageName.c_str(), 3);
+ if (unlikely(List.UsePackage(Pkg,Ver) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "UsePackage", 3);
- // Read only a single record and return
- if (OutVer != 0)
- {
- *OutVer = Ver;
- FoundFileDeps |= List.HasFileDeps();
- return true;
- }
-
- /* Record the Description data. Description data always exist in
- Packages and Translation-* files. */
- pkgCache::DescIterator Desc = Ver.DescriptionList();
- Dynamic<pkgCache::DescIterator> DynDesc(Desc);
- map_ptrloc *LastDesc = &Ver->DescriptionList;
+ if (unlikely(NewFileVer(Ver,List) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileVer", 2);
- // 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())
- LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
- *LastDesc = descindex;
- Desc->ParentPkg = Pkg.Index();
+ // Read only a single record and return
+ if (OutVer != 0)
+ {
+ *OutVer = Ver;
+ return true;
+ }
- if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),PackageName.c_str());
+ /* 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;
+ }
}
- FoundFileDeps |= List.HasFileDeps();
+ // 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;
+
+ oldMap = Map.Data();
+ map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc);
+ if (oldMap != Map.Data())
+ LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastDesc = descindex;
+ Desc->ParentPkg = Pkg.Index();
+
+ if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileDesc", 2);
- if (Cache.HeaderP->PackageCount >= (1ULL<<sizeof(Cache.PkgP->ID)*8)-1)
- return _error->Error(_("Wow, you exceeded the number of package "
- "names this APT is capable of."));
- if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1)
- return _error->Error(_("Wow, you exceeded the number of versions "
- "this APT is capable of."));
- if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1)
- return _error->Error(_("Wow, you exceeded the number of descriptions "
- "this APT is capable of."));
- if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL)
- return _error->Error(_("Wow, you exceeded the number of dependencies "
- "this APT is capable of."));
return true;
}
/*}}}*/
+ /*}}}*/
// CacheGenerator::MergeFileProvides - Merge file provides /*{{{*/
// ---------------------------------------------------------------------
/* If we found any file depends while parsing the main list we need to
@@ -387,8 +467,8 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List)
pkgCache::PkgIterator Pkg = Cache.FindPkg(PackageName);
Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
if (Pkg.end() == true)
- return _error->Error(_("Error occurred while processing %s (FindPkg)"),
- PackageName.c_str());
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ PackageName.c_str(), "FindPkg", 1);
Counter++;
if (Counter % 100 == 0 && Progress != 0)
Progress->Progress(List.Offset());
@@ -401,7 +481,8 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List)
if (Ver->Hash == Hash && Version.c_str() == Ver.VerStr())
{
if (List.CollectFileProvides(Cache,Ver) == false)
- return _error->Error(_("Error occurred while processing %s (CollectFileProvides)"),PackageName.c_str());
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ PackageName.c_str(), "CollectFileProvides", 1);
break;
}
}
@@ -1351,3 +1432,17 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O
return true;
}
/*}}}*/
+// IsDuplicateDescription /*{{{*/
+bool IsDuplicateDescription(pkgCache::DescIterator Desc,
+ MD5SumValue const &CurMd5, std::string const &CurLang)
+{
+ // Descriptions in the same link-list have all the same md5
+ if (MD5SumValue(Desc.md5()) != CurMd5)
+ return false;
+ for (; Desc.end() == false; ++Desc)
+ if (Desc.LanguageCode() == CurLang)
+ return true;
+ return false;
+}
+ /*}}}*/
+