]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/deb/debmetaindex.cc
support lang= and target= sources.list options
[apt.git] / apt-pkg / deb / debmetaindex.cc
index c35f3b0a4a13c91f40db6b61f43e8a6207c5dab9..f690a8d644d8f760ca0e892e916814dc33ba9276 100644 (file)
@@ -1,5 +1,6 @@
 #include <config.h>
 
+#include <apt-pkg/error.h>
 #include <apt-pkg/debmetaindex.h>
 #include <apt-pkg/debindexfile.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/indexrecords.h>
 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/hashes.h>
-#include <apt-pkg/macros.h>
 #include <apt-pkg/metaindex.h>
+#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/gpgv.h>
+#include <apt-pkg/macros.h>
 
-#include <string.h>
 #include <map>
 #include <string>
 #include <utility>
 #include <set>
 #include <algorithm>
 
-using namespace std;
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <string.h>
 
-string debReleaseIndex::MetaIndexInfo(const char *Type) const
+class APT_HIDDEN debReleaseIndexPrivate                                        /*{{{*/
+{
+   public:
+   struct APT_HIDDEN debSectionEntry
+   {
+      std::string Name;
+      std::vector<std::string> Targets;
+      std::vector<std::string> Architectures;
+      std::vector<std::string> Languages;
+   };
+
+   std::vector<debSectionEntry> DebEntries;
+   std::vector<debSectionEntry> DebSrcEntries;
+};
+                                                                       /*}}}*/
+// ReleaseIndex::MetaIndex* - display helpers                          /*{{{*/
+std::string debReleaseIndex::MetaIndexInfo(const char *Type) const
 {
-   string Info = ::URI::SiteOnly(URI) + ' ';
+   std::string Info = ::URI::ArchiveOnly(URI) + ' ';
    if (Dist[Dist.size() - 1] == '/')
    {
       if (Dist != "/")
@@ -37,16 +59,20 @@ string debReleaseIndex::MetaIndexInfo(const char *Type) const
    Info += Type;
    return Info;
 }
+std::string debReleaseIndex::Describe() const
+{
+   return MetaIndexInfo("Release");
+}
 
-string debReleaseIndex::MetaIndexFile(const char *Type) const
+std::string debReleaseIndex::MetaIndexFile(const char *Type) const
 {
    return _config->FindDir("Dir::State::lists") +
       URItoFileName(MetaIndexURI(Type));
 }
 
-string debReleaseIndex::MetaIndexURI(const char *Type) const
+std::string debReleaseIndex::MetaIndexURI(const char *Type) const
 {
-   string Res;
+   std::string Res;
 
    if (Dist == "/")
       Res = URI;
@@ -58,8 +84,8 @@ string debReleaseIndex::MetaIndexURI(const char *Type) const
    Res += Type;
    return Res;
 }
-
-std::string debReleaseIndex::LocalFileName() const
+                                                                       /*}}}*/
+std::string debReleaseIndex::LocalFileName() const                     /*{{{*/
 {
    // see if we have a InRelease file
    std::string PathInRelease =  MetaIndexFile("InRelease");
@@ -72,28 +98,24 @@ std::string debReleaseIndex::LocalFileName() const
 
    return "";
 }
-
-debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) :
-                                       metaIndex(URI, Dist, "deb"), Trusted(CHECK_TRUST)
+                                                                       /*}}}*/
+// ReleaseIndex Con- and Destructors                                   /*{{{*/
+debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist) :
+                                       metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate()), Trusted(CHECK_TRUST)
 {}
-
-debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist, bool const Trusted) :
-                                       metaIndex(URI, Dist, "deb") {
+debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, bool const Trusted) :
+                                       metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate()) {
        SetTrusted(Trusted);
 }
-
 debReleaseIndex::~debReleaseIndex() {
-       for (map<string, vector<debSectionEntry const*> >::const_iterator A = ArchEntries.begin();
-            A != ArchEntries.end(); ++A)
-               for (vector<const debSectionEntry *>::const_iterator S = A->second.begin();
-                    S != A->second.end(); ++S)
-                       delete *S;
+   if (d != NULL)
+      delete d;
 }
-
-template<typename CallC>
-void foreachTarget(std::string const URI, std::string const Dist,
-      std::map<std::string, std::vector<debReleaseIndex::debSectionEntry const *> > const &ArchEntries,
-      CallC Call)
+                                                                       /*}}}*/
+// ReleaseIndex::GetIndexTargets                                       /*{{{*/
+static void GetIndexTargetsFor(char const * const Type, std::string const &URI, std::string const &Dist,
+      std::vector<debReleaseIndexPrivate::debSectionEntry> const &entries,
+      std::vector<IndexTarget> &IndexTargets)
 {
    bool const flatArchive = (Dist[Dist.length() - 1] == '/');
    std::string baseURI = URI;
@@ -105,148 +127,102 @@ void foreachTarget(std::string const URI, std::string const Dist,
    else
       baseURI += "dists/" + Dist + "/";
    std::string const Release = (Dist == "/") ? "" : Dist;
-   std::string const Site = ::URI::SiteOnly(URI);
-   std::vector<std::string> lang = APT::Configuration::getLanguages(true);
-   if (lang.empty())
-      lang.push_back("none");
-   map<string, vector<debReleaseIndex::debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
-   if (src != ArchEntries.end())
+   std::string const Site = ::URI::ArchiveOnly(URI);
+
+   for (std::vector<debReleaseIndexPrivate::debSectionEntry>::const_iterator E = entries.begin(); E != entries.end(); ++E)
    {
-      std::vector<std::string> const targets = _config->FindVector("APT::Acquire::Targets::deb-src", "", true);
-      for (std::vector<std::string>::const_iterator T = targets.begin(); T != targets.end(); ++T)
+      for (std::vector<std::string>::const_iterator T = E->Targets.begin(); T != E->Targets.end(); ++T)
       {
-#define APT_T_CONFIG(X) _config->Find(std::string("APT::Acquire::Targets::deb-src::") + *T + "::" + (X))
-        std::string const URI = APT_T_CONFIG(flatArchive ? "flatURI" : "URI");
-        std::string const ShortDesc = APT_T_CONFIG("ShortDescription");
-        std::string const LongDesc = APT_T_CONFIG(flatArchive ? "flatDescription" : "Description");
+#define APT_T_CONFIG(X) _config->Find(std::string("APT::Acquire::Targets::") + Type  + "::" + *T + "::" + (X))
+        std::string const tplMetaKey = APT_T_CONFIG(flatArchive ? "flatMetaKey" : "MetaKey");
+        std::string const tplShortDesc = APT_T_CONFIG("ShortDescription");
+        std::string const tplLongDesc = APT_T_CONFIG(flatArchive ? "flatDescription" : "Description");
         bool const IsOptional = _config->FindB(std::string("APT::Acquire::Targets::deb-src::") + *T + "::Optional", true);
 #undef APT_T_CONFIG
-        if (URI.empty())
+        if (tplMetaKey.empty())
            continue;
 
-        vector<debReleaseIndex::debSectionEntry const*> const SectionEntries = src->second;
-        for (vector<debReleaseIndex::debSectionEntry const*>::const_iterator I = SectionEntries.begin();
-              I != SectionEntries.end(); ++I)
+        for (std::vector<std::string>::const_iterator L = E->Languages.begin(); L != E->Languages.end(); ++L)
         {
-           for (vector<std::string>::const_iterator l = lang.begin(); l != lang.end(); ++l)
-           {
-              if (*l == "none" && URI.find("$(LANGUAGE)") != std::string::npos)
-                 continue;
-
-              struct SubstVar subst[] = {
-                 { "$(SITE)", &Site },
-                 { "$(RELEASE)", &Release },
-                 { "$(COMPONENT)", &((*I)->Section) },
-                 { "$(LANGUAGE)", &(*l) },
-                 { NULL, NULL }
-              };
-              Call(baseURI, *T, URI, ShortDesc, LongDesc, IsOptional, subst);
-
-              if (URI.find("$(LANGUAGE)") == std::string::npos)
-                 break;
-           }
-
-           if (URI.find("$(COMPONENT)") == std::string::npos)
-              break;
-        }
-      }
-   }
+           if (*L == "none" && tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
+              continue;
 
-   std::vector<std::string> const targets = _config->FindVector("APT::Acquire::Targets::deb", "", true);
-   for (std::vector<std::string>::const_iterator T = targets.begin(); T != targets.end(); ++T)
-   {
-#define APT_T_CONFIG(X) _config->Find(std::string("APT::Acquire::Targets::deb::") + *T + "::" + (X))
-      std::string const URI = APT_T_CONFIG(flatArchive ? "flatURI" : "URI");
-      std::string const ShortDesc = APT_T_CONFIG("ShortDescription");
-      std::string const LongDesc = APT_T_CONFIG(flatArchive ? "flatDescription" : "Description");
-      bool const IsOptional = _config->FindB(std::string("APT::Acquire::Targets::deb::") + *T + "::Optional", true);
-#undef APT_T_CONFIG
-      if (URI.empty())
-        continue;
-
-      for (map<string, vector<debReleaseIndex::debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
-           a != ArchEntries.end(); ++a)
-      {
-        if (a->first == "source")
-           continue;
-
-        for (vector <const debReleaseIndex::debSectionEntry *>::const_iterator I = a->second.begin();
-              I != a->second.end(); ++I) {
-
-           for (vector<std::string>::const_iterator l = lang.begin(); l != lang.end(); ++l)
+           for (std::vector<std::string>::const_iterator A = E->Architectures.begin(); A != E->Architectures.end(); ++A)
            {
-              if (*l == "none" && URI.find("$(LANGUAGE)") != std::string::npos)
-                 continue;
-
-              struct SubstVar subst[] = {
-                 { "$(SITE)", &Site },
-                 { "$(RELEASE)", &Release },
-                 { "$(COMPONENT)", &((*I)->Section) },
-                 { "$(LANGUAGE)", &(*l) },
-                 { "$(ARCHITECTURE)", &(a->first) },
-                 { NULL, NULL }
-              };
-              Call(baseURI, *T, URI, ShortDesc, LongDesc, IsOptional, subst);
-
-              if (URI.find("$(LANGUAGE)") == std::string::npos)
+
+              std::map<std::string, std::string> Options;
+              Options.insert(std::make_pair("SITE", Site));
+              Options.insert(std::make_pair("RELEASE", Release));
+              if (tplMetaKey.find("$(COMPONENT)") != std::string::npos)
+                 Options.insert(std::make_pair("COMPONENT", E->Name));
+              if (tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
+                 Options.insert(std::make_pair("LANGUAGE", *L));
+              if (tplMetaKey.find("$(ARCHITECTURE)") != std::string::npos)
+                 Options.insert(std::make_pair("ARCHITECTURE", *A));
+              Options.insert(std::make_pair("BASE_URI", baseURI));
+              Options.insert(std::make_pair("REPO_URI", URI));
+              Options.insert(std::make_pair("TARGET_OF", "deb-src"));
+              Options.insert(std::make_pair("CREATED_BY", *T));
+
+              std::string MetaKey = tplMetaKey;
+              std::string ShortDesc = tplShortDesc;
+              std::string LongDesc = tplLongDesc;
+              for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
+              {
+                 MetaKey = SubstVar(MetaKey, std::string("$(") + O->first + ")", O->second);
+                 ShortDesc = SubstVar(ShortDesc, std::string("$(") + O->first + ")", O->second);
+                 LongDesc = SubstVar(LongDesc, std::string("$(") + O->first + ")", O->second);
+              }
+              IndexTarget Target(
+                    MetaKey,
+                    ShortDesc,
+                    LongDesc,
+                    Options.find("BASE_URI")->second + MetaKey,
+                    IsOptional,
+                    Options
+                    );
+              IndexTargets.push_back(Target);
+
+              if (tplMetaKey.find("$(ARCHITECTURE)") == std::string::npos)
                  break;
+
            }
 
-           if (URI.find("$(COMPONENT)") == std::string::npos)
+           if (tplMetaKey.find("$(LANGUAGE)") == std::string::npos)
               break;
+
         }
 
-        if (URI.find("$(ARCHITECTURE)") == std::string::npos)
-           break;
       }
    }
 }
-
-
-struct ComputeIndexTargetsClass
+std::vector<IndexTarget> debReleaseIndex::GetIndexTargets() const
 {
-   vector <IndexTarget *> * const IndexTargets;
-
-   void operator()(std::string const &baseURI, std::string const &/*TargetName*/,
-        std::string const &URI, std::string const &ShortDesc, std::string const &LongDesc,
-        bool const IsOptional, struct SubstVar const * const subst)
-   {
-      std::string const name = SubstVar(URI, subst);
-      IndexTarget * Target;
-      if (IsOptional == true)
-      {
-        Target = new OptionalIndexTarget(
-              name,
-              SubstVar(ShortDesc, subst),
-              SubstVar(LongDesc, subst),
-              baseURI + name
-              );
-      }
-      else
-      {
-        Target = new IndexTarget(
-              name,
-              SubstVar(ShortDesc, subst),
-              SubstVar(LongDesc, subst),
-              baseURI + name
-              );
-      }
-      IndexTargets->push_back(Target);
-   }
-
-   ComputeIndexTargetsClass() : IndexTargets(new vector <IndexTarget *>) {}
-};
-
-vector <IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const
+   std::vector<IndexTarget> IndexTargets;
+   GetIndexTargetsFor("deb-src", URI, Dist, d->DebSrcEntries, IndexTargets);
+   GetIndexTargetsFor("deb", URI, Dist, d->DebEntries, IndexTargets);
+   return IndexTargets;
+}
+                                                                       /*}}}*/
+void debReleaseIndex::AddComponent(bool const isSrc, std::string const &Name,/*{{{*/
+        std::vector<std::string> const &Targets,
+        std::vector<std::string> const &Architectures,
+        std::vector<std::string> Languages)
 {
-   ComputeIndexTargetsClass comp;
-   foreachTarget(URI, Dist, ArchEntries, comp);
-   return comp.IndexTargets;
+   if (Languages.empty() == true)
+      Languages.push_back("none");
+   debReleaseIndexPrivate::debSectionEntry const entry = {
+      Name, Targets, Architectures, Languages
+   };
+   if (isSrc)
+      d->DebSrcEntries.push_back(entry);
+   else
+      d->DebEntries.push_back(entry);
 }
+                                                                       /*}}}*/
 
 
-                                                                       /*}}}*/
-bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
+bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const/*{{{*/
 {
    indexRecords * const iR = new indexRecords(Dist);
    if (Trusted == ALWAYS_TRUSTED)
@@ -255,21 +231,22 @@ bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
       iR->SetTrusted(false);
 
    // special case for --print-uris
-   vector <IndexTarget *> const * const targets = ComputeIndexTargets();
-#define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X))
-   pkgAcqMetaBase * const TransactionManager = new pkgAcqMetaClearSig(Owner,
+   std::vector<IndexTarget> const targets = GetIndexTargets();
+#define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X), false, std::map<std::string,std::string>())
+   pkgAcqMetaClearSig * const TransactionManager = new pkgAcqMetaClearSig(Owner,
         APT_TARGET("InRelease"), APT_TARGET("Release"), APT_TARGET("Release.gpg"),
         targets, iR);
 #undef APT_TARGET
    if (GetAll)
    {
-      for (vector <IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); ++Target)
+      for (std::vector<IndexTarget>::const_iterator Target = targets.begin(); Target != targets.end(); ++Target)
         new pkgAcqIndex(Owner, TransactionManager, *Target);
    }
 
    return true;
 }
-
+                                                                       /*}}}*/
+// ReleaseIndex::*Trusted setters and checkers                         /*{{{*/
 void debReleaseIndex::SetTrusted(bool const Trusted)
 {
        if (Trusted == true)
@@ -277,7 +254,6 @@ void debReleaseIndex::SetTrusted(bool const Trusted)
        else
                this->Trusted = NEVER_TRUSTED;
 }
-
 bool debReleaseIndex::IsTrusted() const
 {
    if (Trusted == ALWAYS_TRUSTED)
@@ -290,234 +266,286 @@ bool debReleaseIndex::IsTrusted() const
       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
         return true;
 
-   string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
-      URItoFileName(MetaIndexURI("Release")) + ".gpg";
-
-   if (FileExists(VerifiedSigFile))
+   if (FileExists(MetaIndexFile("Release.gpg")))
       return true;
 
-   VerifiedSigFile = _config->FindDir("Dir::State::lists") +
-      URItoFileName(MetaIndexURI("InRelease"));
-
-   return FileExists(VerifiedSigFile);
+   return FileExists(MetaIndexFile("InRelease"));
 }
-
-struct GetIndexFilesClass
+                                                                       /*}}}*/
+std::vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()         /*{{{*/
 {
-   vector <pkgIndexFile *> * const Indexes;
-   std::string const URI;
-   std::string const Release;
-   bool const IsTrusted;
-
-   void operator()(std::string const &/*baseURI*/, std::string const &TargetName,
-        std::string const &/*URI*/, std::string const &/*ShortDesc*/, std::string const &/*LongDesc*/,
-        bool const /*IsOptional*/, struct SubstVar const * const subst)
+   if (Indexes != NULL)
+      return Indexes;
+
+   Indexes = new std::vector<pkgIndexFile*>();
+   std::vector<IndexTarget> const Targets = GetIndexTargets();
+   bool const istrusted = IsTrusted();
+   for (std::vector<IndexTarget>::const_iterator T = Targets.begin(); T != Targets.end(); ++T)
    {
+      std::string const TargetName = T->Option(IndexTarget::CREATED_BY);
       if (TargetName == "Packages")
-      {
-        Indexes->push_back(new debPackagesIndex(
-                 URI,
-                 Release,
-                 SubstVar("$(COMPONENT)", subst),
-                 IsTrusted,
-                 SubstVar("$(ARCHITECTURE)", subst)
-                 ));
-      }
+        Indexes->push_back(new debPackagesIndex(*T, istrusted));
       else if (TargetName == "Sources")
-        Indexes->push_back(new debSourcesIndex(
-                 URI,
-                 Release,
-                 SubstVar("$(COMPONENT)", subst),
-                 IsTrusted
-                 ));
+        Indexes->push_back(new debSourcesIndex(*T, istrusted));
       else if (TargetName == "Translations")
-        Indexes->push_back(new debTranslationsIndex(
-                 URI,
-                 Release,
-                 SubstVar("$(COMPONENT)", subst),
-                 SubstVar("$(LANGUAGE)", subst)
-                 ));
+        Indexes->push_back(new debTranslationsIndex(*T));
    }
+   return Indexes;
+}
+                                                                       /*}}}*/
 
-   GetIndexFilesClass(std::string const &URI, std::string const &Release, bool const IsTrusted) :
-      Indexes(new vector <pkgIndexFile*>), URI(URI), Release(Release), IsTrusted(IsTrusted) {}
-};
-
-std::vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()
+static bool ReleaseFileName(debReleaseIndex const * const That, std::string &ReleaseFile)/*{{{*/
 {
-   if (Indexes != NULL)
-      return Indexes;
-
-   GetIndexFilesClass comp(URI, Dist, IsTrusted());
-   foreachTarget(URI, Dist, ArchEntries, comp);
-   return Indexes = comp.Indexes;
+   ReleaseFile = That->MetaIndexFile("InRelease");
+   bool releaseExists = false;
+   if (FileExists(ReleaseFile) == true)
+      releaseExists = true;
+   else
+   {
+      ReleaseFile = That->MetaIndexFile("Release");
+      if (FileExists(ReleaseFile))
+        releaseExists = true;
+   }
+   return releaseExists;
 }
+                                                                       /*}}}*/
+bool debReleaseIndex::Merge(pkgCacheGenerator &Gen,OpProgress * /*Prog*/) const/*{{{*/
+{
+   std::string ReleaseFile;
+   bool const releaseExists = ReleaseFileName(this, ReleaseFile);
 
-void debReleaseIndex::PushSectionEntry(vector<string> const &Archs, const debSectionEntry *Entry) {
-       for (vector<string>::const_iterator a = Archs.begin();
-            a != Archs.end(); ++a)
-               ArchEntries[*a].push_back(new debSectionEntry(Entry->Section, Entry->IsSrc));
-       delete Entry;
-}
+   ::URI Tmp(URI);
+   if (Gen.SelectReleaseFile(ReleaseFile, Tmp.Host) == false)
+      return _error->Error("Problem with SelectReleaseFile %s", ReleaseFile.c_str());
 
-void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) {
-       ArchEntries[Arch].push_back(Entry);
-}
+   if (releaseExists == false)
+      return true;
 
-debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section,
-               bool const &IsSrc): Section(Section), IsSrc(IsSrc)
-{}
+   FileFd Rel;
+   // Beware: The 'Release' file might be clearsigned in case the
+   // signature for an 'InRelease' file couldn't be checked
+   if (OpenMaybeClearSignedFile(ReleaseFile, Rel) == false)
+      return false;
+   if (_error->PendingError() == true)
+      return false;
+
+   // Store the IMS information
+   pkgCache::RlsFileIterator File = Gen.GetCurRlsFile();
+   pkgCacheGenerator::Dynamic<pkgCache::RlsFileIterator> DynFile(File);
+   // Rel can't be used as this is potentially a temporary file
+   struct stat Buf;
+   if (stat(ReleaseFile.c_str(), &Buf) != 0)
+      return _error->Errno("fstat", "Unable to stat file %s", ReleaseFile.c_str());
+   File->Size = Buf.st_size;
+   File->mtime = Buf.st_mtime;
+
+   pkgTagFile TagFile(&Rel, Rel.Size());
+   pkgTagSection Section;
+   if (_error->PendingError() == true || TagFile.Step(Section) == false)
+      return false;
 
-class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type
+   std::string data;
+   #define APT_INRELEASE(TYPE, TAG, STORE) \
+   data = Section.FindS(TAG); \
+   if (data.empty() == false) \
+   { \
+      map_stringitem_t const storage = Gen.StoreString(pkgCacheGenerator::TYPE, data); \
+      STORE = storage; \
+   }
+   APT_INRELEASE(MIXED, "Suite", File->Archive)
+   APT_INRELEASE(VERSIONNUMBER, "Version", File->Version)
+   APT_INRELEASE(MIXED, "Origin", File->Origin)
+   APT_INRELEASE(MIXED, "Codename", File->Codename)
+   APT_INRELEASE(MIXED, "Label", File->Label)
+   #undef APT_INRELEASE
+   Section.FindFlag("NotAutomatic", File->Flags, pkgCache::Flag::NotAutomatic);
+   Section.FindFlag("ButAutomaticUpgrades", File->Flags, pkgCache::Flag::ButAutomaticUpgrades);
+
+   return !_error->PendingError();
+}
+                                                                       /*}}}*/
+// ReleaseIndex::FindInCache - Find this index                         /*{{{*/
+pkgCache::RlsFileIterator debReleaseIndex::FindInCache(pkgCache &Cache, bool const ModifyCheck) const
 {
-   protected:
+   std::string ReleaseFile;
+   bool const releaseExists = ReleaseFileName(this, ReleaseFile);
 
-   bool CreateItemInternal(vector<metaIndex *> &List, string const &URI,
-                          string const &Dist, string const &Section,
-                          bool const &IsSrc, map<string, string> const &Options) const
+   pkgCache::RlsFileIterator File = Cache.RlsFileBegin();
+   for (; File.end() == false; ++File)
    {
-      // parse arch=, arch+= and arch-= settings
-      map<string, string>::const_iterator arch = Options.find("arch");
-      vector<string> Archs;
-      if (arch != Options.end())
-        Archs = VectorizeString(arch->second, ',');
-      else
-        Archs = APT::Configuration::getArchitectures();
-
-      if ((arch = Options.find("arch+")) != Options.end())
+       if (File->FileName == 0 || ReleaseFile != File.FileName())
+        continue;
+
+       // empty means the file does not exist by "design"
+       if (ModifyCheck == false || (releaseExists == false && File->Size == 0))
+         return File;
+
+      struct stat St;
+      if (stat(File.FileName(),&St) != 0)
       {
-        std::vector<std::string> const plusArch = VectorizeString(arch->second, ',');
-        for (std::vector<std::string>::const_iterator plus = plusArch.begin(); plus != plusArch.end(); ++plus)
-           if (std::find(Archs.begin(), Archs.end(), *plus) == Archs.end())
-              Archs.push_back(*plus);
+         if (_config->FindB("Debug::pkgCacheGen", false))
+           std::clog << "ReleaseIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
+        return pkgCache::RlsFileIterator(Cache);
       }
-      if ((arch = Options.find("arch-")) != Options.end())
+      if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
       {
-        std::vector<std::string> const minusArch = VectorizeString(arch->second, ',');
-        for (std::vector<std::string>::const_iterator minus = minusArch.begin(); minus != minusArch.end(); ++minus)
-        {
-           std::vector<std::string>::iterator kill = std::find(Archs.begin(), Archs.end(), *minus);
-           if (kill != Archs.end())
-              Archs.erase(kill);
-        }
+         if (_config->FindB("Debug::pkgCacheGen", false))
+           std::clog << "ReleaseIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
+                       << ") or mtime (" << St.st_mtime << " <> " << File->mtime
+                       << ") doesn't match for " << File.FileName() << std::endl;
+        return pkgCache::RlsFileIterator(Cache);
       }
+      return File;
+   }
 
-      map<string, string>::const_iterator const trusted = Options.find("trusted");
+   return File;
+}
+                                                                       /*}}}*/
+
+static std::vector<std::string> parsePlusMinusOptions(std::string const &Name, /*{{{*/
+      std::map<std::string, std::string> const &Options, std::vector<std::string> const &defaultValues)
+{
+   std::map<std::string, std::string>::const_iterator val = Options.find(Name);
+   std::vector<std::string> Values;
+   if (val != Options.end())
+      Values = VectorizeString(val->second, ',');
+   else
+      Values = defaultValues;
 
-      for (vector<metaIndex *>::const_iterator I = List.begin();
+   if ((val = Options.find(Name + "+")) != Options.end())
+   {
+      std::vector<std::string> const plusArch = VectorizeString(val->second, ',');
+      for (std::vector<std::string>::const_iterator plus = plusArch.begin(); plus != plusArch.end(); ++plus)
+        if (std::find(Values.begin(), Values.end(), *plus) == Values.end())
+           Values.push_back(*plus);
+   }
+   if ((val = Options.find(Name + "-")) != Options.end())
+   {
+      std::vector<std::string> const minusArch = VectorizeString(val->second, ',');
+      for (std::vector<std::string>::const_iterator minus = minusArch.begin(); minus != minusArch.end(); ++minus)
+      {
+        std::vector<std::string>::iterator kill = std::find(Values.begin(), Values.end(), *minus);
+        if (kill != Values.end())
+           Values.erase(kill);
+      }
+   }
+   return Values;
+}
+                                                                       /*}}}*/
+class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type          /*{{{*/
+{
+   protected:
+
+   bool CreateItemInternal(std::vector<metaIndex *> &List, std::string const &URI,
+                          std::string const &Dist, std::string const &Section,
+                          bool const &IsSrc, std::map<std::string, std::string> const &Options) const
+   {
+      debReleaseIndex *Deb = NULL;
+      for (std::vector<metaIndex *>::const_iterator I = List.begin();
           I != List.end(); ++I)
       {
         // We only worry about debian entries here
         if (strcmp((*I)->GetType(), "deb") != 0)
            continue;
 
-        debReleaseIndex *Deb = (debReleaseIndex *) (*I);
-        if (trusted != Options.end())
-           Deb->SetTrusted(StringToBool(trusted->second, false));
-
         /* This check insures that there will be only one Release file
            queued for all the Packages files and Sources files it
            corresponds to. */
-        if (Deb->GetURI() == URI && Deb->GetDist() == Dist)
+        if ((*I)->GetURI() == URI && (*I)->GetDist() == Dist)
         {
-           if (IsSrc == true)
-              Deb->PushSectionEntry("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
-           else
-           {
-              if (Dist[Dist.size() - 1] == '/')
-                 Deb->PushSectionEntry("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
-              else
-                 Deb->PushSectionEntry(Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
-           }
-           return true;
+           Deb = dynamic_cast<debReleaseIndex*>(*I);
+           if (Deb != NULL)
+              break;
         }
       }
 
       // No currently created Release file indexes this entry, so we create a new one.
-      debReleaseIndex *Deb;
-      if (trusted != Options.end())
-        Deb = new debReleaseIndex(URI, Dist, StringToBool(trusted->second, false));
-      else
-        Deb = new debReleaseIndex(URI, Dist);
-
-      if (IsSrc == true)
-        Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
-      else
+      if (Deb == NULL)
       {
-        if (Dist[Dist.size() - 1] == '/')
-           Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
-        else
-           Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
+        Deb = new debReleaseIndex(URI, Dist);
+        List.push_back(Deb);
       }
-      List.push_back(Deb);
-      return true;
-   }
-};
 
-debDebFileMetaIndex::debDebFileMetaIndex(std::string const &DebFile)
-   : metaIndex(DebFile, "local-uri", "deb-dist"), DebFile(DebFile)
-{
-   DebIndex = new debDebPkgFileIndex(DebFile);
-   Indexes = new vector<pkgIndexFile *>();
-   Indexes->push_back(DebIndex);
-}
+      Deb->AddComponent(
+           IsSrc,
+           Section,
+           parsePlusMinusOptions("target", Options, _config->FindVector(std::string("APT::Acquire::Targets::") + Name, "", true)),
+           parsePlusMinusOptions("arch", Options, APT::Configuration::getArchitectures()),
+           parsePlusMinusOptions("lang", Options, APT::Configuration::getLanguages(true))
+           );
 
+      std::map<std::string, std::string>::const_iterator const trusted = Options.find("trusted");
+      if (trusted != Options.end())
+        Deb->SetTrusted(StringToBool(trusted->second, false));
 
-class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian
+      return true;
+   }
+
+   debSLTypeDebian(char const * const Name, char const * const Label) : Type(Name, Label)
+   {
+   }
+};
+                                                                       /*}}}*/
+class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian                 /*{{{*/
 {
    public:
 
-   bool CreateItem(vector<metaIndex *> &List, string const &URI,
-                  string const &Dist, string const &Section,
-                  std::map<string, string> const &Options) const
+   bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
+                  std::string const &Dist, std::string const &Section,
+                  std::map<std::string, std::string> const &Options) const
    {
       return CreateItemInternal(List, URI, Dist, Section, false, Options);
    }
 
-   debSLTypeDeb()
+   debSLTypeDeb() : debSLTypeDebian("deb", "Debian binary tree")
    {
-      Name = "deb";
-      Label = "Standard Debian binary tree";
-   }   
+   }
 };
-
-class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian
+                                                                       /*}}}*/
+class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian              /*{{{*/
 {
    public:
 
-   bool CreateItem(vector<metaIndex *> &List, string const &URI,
-                  string const &Dist, string const &Section,
-                  std::map<string, string> const &Options) const
+   bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
+                  std::string const &Dist, std::string const &Section,
+                  std::map<std::string, std::string> const &Options) const
    {
       return CreateItemInternal(List, URI, Dist, Section, true, Options);
    }
-   
-   debSLTypeDebSrc()
+
+   debSLTypeDebSrc() : debSLTypeDebian("deb-src", "Debian source tree")
    {
-      Name = "deb-src";
-      Label = "Standard Debian source tree";
-   }   
+   }
 };
+                                                                       /*}}}*/
 
-class APT_HIDDEN debSLTypeDebFile : public pkgSourceList::Type
+debDebFileMetaIndex::debDebFileMetaIndex(std::string const &DebFile)   /*{{{*/
+   : metaIndex(DebFile, "local-uri", "deb-dist"), d(NULL), DebFile(DebFile)
+{
+   DebIndex = new debDebPkgFileIndex(DebFile);
+   Indexes = new std::vector<pkgIndexFile *>();
+   Indexes->push_back(DebIndex);
+}
+debDebFileMetaIndex::~debDebFileMetaIndex() {}
+                                                                       /*}}}*/
+class APT_HIDDEN debSLTypeDebFile : public pkgSourceList::Type         /*{{{*/
 {
    public:
 
-   bool CreateItem(vector<metaIndex *> &List, string const &URI,
-                  string const &/*Dist*/, string const &/*Section*/,
-                  std::map<string, string> const &/*Options*/) const
+   bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
+                  std::string const &/*Dist*/, std::string const &/*Section*/,
+                  std::map<std::string, std::string> const &/*Options*/) const
    {
       metaIndex *mi = new debDebFileMetaIndex(URI);
       List.push_back(mi);
       return true;
    }
-   
-   debSLTypeDebFile()
+
+   debSLTypeDebFile() : Type("deb-file", "Debian local deb file")
    {
-      Name = "deb-file";
-      Label = "Debian Deb File";
-   }   
+   }
 };
+                                                                       /*}}}*/
 
 APT_HIDDEN debSLTypeDeb _apt_DebType;
 APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType;