]> 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 73010e8672100febca469f3bffd1c32b62d81c63..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::Info(const char *Type, string const &Section, string const &Arch) const
+class APT_HIDDEN debReleaseIndexPrivate                                        /*{{{*/
 {
-   string Info = ::URI::SiteOnly(URI) + ' ';
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-         Info += Dist;
-   }
-   else
+   public:
+   struct APT_HIDDEN debSectionEntry
    {
-      Info += Dist + '/' + Section;
-      if (Arch.empty() != true)
-        Info += " " + Arch;
-   }
-   Info += " ";
-   Info += Type;
-   return Info;
-}
-
-string debReleaseIndex::MetaIndexInfo(const char *Type) const
+      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 != "/")
@@ -56,16 +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;
@@ -77,9 +84,8 @@ string debReleaseIndex::MetaIndexURI(const char *Type) const
    Res += Type;
    return Res;
 }
-
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
-std::string debReleaseIndex::LocalFileName() const
+                                                                       /*}}}*/
+std::string debReleaseIndex::LocalFileName() const                     /*{{{*/
 {
    // see if we have a InRelease file
    std::string PathInRelease =  MetaIndexFile("InRelease");
@@ -92,203 +98,155 @@ std::string debReleaseIndex::LocalFileName() const
 
    return "";
 }
-#endif
-
-string debReleaseIndex::IndexURISuffix(const char *Type, string const &Section, string const &Arch) const
-{
-   string Res ="";
-   if (Dist[Dist.size() - 1] != '/')
-   {
-      if (Arch == "native")
-        Res += Section + "/binary-" + _config->Find("APT::Architecture") + '/';
-      else
-        Res += Section + "/binary-" + Arch + '/';
-   }
-   return Res + Type;
+                                                                       /*}}}*/
+// 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(std::string const &URI, std::string const &Dist, bool const Trusted) :
+                                       metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate()) {
+       SetTrusted(Trusted);
 }
-   
-
-string debReleaseIndex::IndexURI(const char *Type, string const &Section, string const &Arch) const
+debReleaseIndex::~debReleaseIndex() {
+   if (d != NULL)
+      delete d;
+}
+                                                                       /*}}}*/
+// 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)
 {
-   if (Dist[Dist.size() - 1] == '/')
+   bool const flatArchive = (Dist[Dist.length() - 1] == '/');
+   std::string baseURI = URI;
+   if (flatArchive)
    {
-      string Res;
       if (Dist != "/")
-         Res = URI + Dist;
-      else 
-         Res = URI;
-      return Res + Type;
+         baseURI += Dist;
    }
    else
-      return URI + "dists/" + Dist + '/' + IndexURISuffix(Type, Section, Arch);
- }
-
-string debReleaseIndex::SourceIndexURISuffix(const char *Type, const string &Section) const
-{
-   string Res ="";
-   if (Dist[Dist.size() - 1] != '/')
-      Res += Section + "/source/";
-   return Res + Type;
-}
+      baseURI += "dists/" + Dist + "/";
+   std::string const Release = (Dist == "/") ? "" : Dist;
+   std::string const Site = ::URI::ArchiveOnly(URI);
 
-string debReleaseIndex::SourceIndexURI(const char *Type, const string &Section) const
-{
-   string Res;
-   if (Dist[Dist.size() - 1] == '/')
+   for (std::vector<debReleaseIndexPrivate::debSectionEntry>::const_iterator E = entries.begin(); E != entries.end(); ++E)
    {
-      if (Dist != "/")
-         Res = URI + Dist;
-      else 
-         Res = URI;
-      return Res + Type;
+      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::") + 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 (tplMetaKey.empty())
+           continue;
+
+        for (std::vector<std::string>::const_iterator L = E->Languages.begin(); L != E->Languages.end(); ++L)
+        {
+           if (*L == "none" && tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
+              continue;
+
+           for (std::vector<std::string>::const_iterator A = E->Architectures.begin(); A != E->Architectures.end(); ++A)
+           {
+
+              std::map<std::string, std::string> Options;
+              Options.insert(std::make_pair("SITE", Site));
+              Options.insert(std::make_pair("RELEASE", Release));
+              if (tplMetaKey.find("$(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 (tplMetaKey.find("$(LANGUAGE)") == std::string::npos)
+              break;
+
+        }
+
+      }
    }
-   else
-      return URI + "dists/" + Dist + "/" + SourceIndexURISuffix(Type, Section);
 }
-
-string debReleaseIndex::TranslationIndexURISuffix(const char *Type, const string &Section) const
+std::vector<IndexTarget> debReleaseIndex::GetIndexTargets() const
 {
-   string Res ="";
-   if (Dist[Dist.size() - 1] != '/')
-      Res += Section + "/i18n/Translation-";
-   return Res + Type;
+   std::vector<IndexTarget> IndexTargets;
+   GetIndexTargetsFor("deb-src", URI, Dist, d->DebSrcEntries, IndexTargets);
+   GetIndexTargetsFor("deb", URI, Dist, d->DebEntries, IndexTargets);
+   return IndexTargets;
 }
-
-string debReleaseIndex::TranslationIndexURI(const char *Type, const string &Section) const
+                                                                       /*}}}*/
+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)
 {
-   string Res;
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-         Res = URI + Dist;
-      else 
-         Res = URI;
-      return Res + Type;
-   }
+   if (Languages.empty() == true)
+      Languages.push_back("none");
+   debReleaseIndexPrivate::debSectionEntry const entry = {
+      Name, Targets, Architectures, Languages
+   };
+   if (isSrc)
+      d->DebSrcEntries.push_back(entry);
    else
-      return URI + "dists/" + Dist + "/" + TranslationIndexURISuffix(Type, Section);
+      d->DebEntries.push_back(entry);
 }
+                                                                       /*}}}*/
 
-debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) :
-                                       metaIndex(URI, Dist, "deb"), Trusted(CHECK_TRUST)
-{}
-
-debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist, bool const Trusted) :
-                                       metaIndex(URI, Dist, "deb") {
-       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;
-}
-
-vector <IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const {
-       vector <IndexTarget *>* IndexTargets = new vector <IndexTarget *>;
-
-       map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
-       if (src != ArchEntries.end()) {
-               vector<debSectionEntry const*> const SectionEntries = src->second;
-               for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
-                    I != SectionEntries.end(); ++I) {
-                       IndexTarget * Target = new IndexTarget();
-                       Target->ShortDesc = "Sources";
-                       Target->MetaKey = SourceIndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section);
-                       Target->URI = SourceIndexURI(Target->ShortDesc.c_str(), (*I)->Section);
-                       Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section);
-                       IndexTargets->push_back (Target);
-               }
-       }
-
-       // Only source release
-       if (IndexTargets->empty() == false && ArchEntries.size() == 1)
-               return IndexTargets;
-
-       std::set<std::string> sections;
-       for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
-            a != ArchEntries.end(); ++a) {
-               if (a->first == "source")
-                       continue;
-               for (vector <const debSectionEntry *>::const_iterator I = a->second.begin();
-                    I != a->second.end(); ++I) {
-                       IndexTarget * Target = new IndexTarget();
-                       Target->ShortDesc = "Packages";
-                       Target->MetaKey = IndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section, a->first);
-                       Target->URI = IndexURI(Target->ShortDesc.c_str(), (*I)->Section, a->first);
-                       Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section, a->first);
-                       IndexTargets->push_back (Target);
-                       sections.insert((*I)->Section);
-               }
-       }
-
-       std::vector<std::string> lang = APT::Configuration::getLanguages(true);
-       std::vector<std::string>::iterator lend = std::remove(lang.begin(), lang.end(), "none");
-       if (lend != lang.end())
-               lang.erase(lend);
-
-       if (lang.empty() == true)
-               return IndexTargets;
-
-       // get the Translation-* files, later we will skip download of non-existent if we have an index
-       for (std::set<std::string>::const_iterator s = sections.begin();
-            s != sections.end(); ++s) {
-               for (std::vector<std::string>::const_iterator l = lang.begin();
-                    l != lang.end(); ++l) {
-                       IndexTarget * Target = new OptionalIndexTarget();
-                       Target->ShortDesc = "Translation-" + *l;
-                       Target->MetaKey = TranslationIndexURISuffix(l->c_str(), *s);
-                       Target->URI = TranslationIndexURI(l->c_str(), *s);
-                       Target->Description = Info (Target->ShortDesc.c_str(), *s);
-                       IndexTargets->push_back(Target);
-               }
-       }
-
-       return IndexTargets;
-}
-                                                                       /*}}}*/
-bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
+bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const/*{{{*/
 {
-   bool const tryInRelease = _config->FindB("Acquire::TryInRelease", true);
+   indexRecords * const iR = new indexRecords(Dist);
+   if (Trusted == ALWAYS_TRUSTED)
+      iR->SetTrusted(true);
+   else if (Trusted == NEVER_TRUSTED)
+      iR->SetTrusted(false);
 
    // special case for --print-uris
-   if (GetAll) {
-      vector <IndexTarget *> *targets = ComputeIndexTargets();
-      for (vector <IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); ++Target) {
-        new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
-                        (*Target)->ShortDesc, HashStringList());
-      }
-      delete targets;
-
-      // this is normally created in pkgAcqMetaSig, but if we run
-      // in --print-uris mode, we add it here
-      if (tryInRelease == false)
-        new pkgAcqMetaIndex(Owner, MetaIndexURI("Release"),
-              MetaIndexInfo("Release"), "Release",
-              MetaIndexURI("Release.gpg"),
-              ComputeIndexTargets(),
-              new indexRecords (Dist));
+   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 (std::vector<IndexTarget>::const_iterator Target = targets.begin(); Target != targets.end(); ++Target)
+        new pkgAcqIndex(Owner, TransactionManager, *Target);
    }
 
-   if (tryInRelease == true)
-      new pkgAcqMetaClearSig(Owner, MetaIndexURI("InRelease"),
-           MetaIndexInfo("InRelease"), "InRelease",
-           MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
-           MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg",
-           ComputeIndexTargets(),
-           new indexRecords (Dist));
-   else
-      new pkgAcqMetaSig(Owner, MetaIndexURI("Release.gpg"),
-           MetaIndexInfo("Release.gpg"), "Release.gpg",
-           MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
-           ComputeIndexTargets(),
-           new indexRecords (Dist));
-
    return true;
 }
-
+                                                                       /*}}}*/
+// ReleaseIndex::*Trusted setters and checkers                         /*{{{*/
 void debReleaseIndex::SetTrusted(bool const Trusted)
 {
        if (Trusted == true)
@@ -296,7 +254,6 @@ void debReleaseIndex::SetTrusted(bool const Trusted)
        else
                this->Trusted = NEVER_TRUSTED;
 }
-
 bool debReleaseIndex::IsTrusted() const
 {
    if (Trusted == ALWAYS_TRUSTED)
@@ -309,232 +266,287 @@ 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"));
 }
+                                                                       /*}}}*/
+std::vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()         /*{{{*/
+{
+   if (Indexes != NULL)
+      return Indexes;
 
-vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles() {
-       if (Indexes != NULL)
-               return Indexes;
-
-       Indexes = new vector <pkgIndexFile*>;
-       map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
-       if (src != ArchEntries.end()) {
-               vector<debSectionEntry const*> const SectionEntries = src->second;
-               for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
-                    I != SectionEntries.end(); ++I)
-                       Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted()));
-       }
-
-       // Only source release
-       if (Indexes->empty() == false && ArchEntries.size() == 1)
-               return Indexes;
-
-       std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
-       map<string, set<string> > sections;
-       for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
-            a != ArchEntries.end(); ++a) {
-               if (a->first == "source")
-                       continue;
-               for (vector<debSectionEntry const*>::const_iterator I = a->second.begin();
-                    I != a->second.end(); ++I) {
-                       Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted(), a->first));
-                       sections[(*I)->Section].insert(lang.begin(), lang.end());
-               }
-       }
-
-       for (map<string, set<string> >::const_iterator s = sections.begin();
-            s != sections.end(); ++s)
-               for (set<string>::const_iterator l = s->second.begin();
-                    l != s->second.end(); ++l) {
-                       if (*l == "none") continue;
-                       Indexes->push_back(new debTranslationsIndex(URI,Dist,s->first,(*l).c_str()));
-               }
-
-       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(*T, istrusted));
+      else if (TargetName == "Sources")
+        Indexes->push_back(new debSourcesIndex(*T, istrusted));
+      else if (TargetName == "Translations")
+        Indexes->push_back(new debTranslationsIndex(*T));
+   }
+   return Indexes;
 }
+                                                                       /*}}}*/
 
-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;
+static bool ReleaseFileName(debReleaseIndex const * const That, std::string &ReleaseFile)/*{{{*/
+{
+   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(string const &Arch, const debSectionEntry *Entry) {
-       ArchEntries[Arch].push_back(Entry);
-}
+   ::URI Tmp(URI);
+   if (Gen.SelectReleaseFile(ReleaseFile, Tmp.Host) == false)
+      return _error->Error("Problem with SelectReleaseFile %s", ReleaseFile.c_str());
 
-void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry) {
-       if (Entry->IsSrc == true)
-               PushSectionEntry("source", Entry);
-       else {
-               for (map<string, vector<const debSectionEntry *> >::iterator a = ArchEntries.begin();
-                    a != ArchEntries.end(); ++a) {
-                       a->second.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 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 =
-               (arch != Options.end()) ? VectorizeString(arch->second, ',') :
-                               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;
+
+   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:
 
-      for (vector<metaIndex *>::const_iterator I = List.begin();
+   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));
 
+      return true;
+   }
 
-class debSLTypeDeb : public debSLTypeDebian
+   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 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 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";
-   }   
+   }
 };
-debSLTypeDeb _apt_DebType;
-debSLTypeDebSrc _apt_DebSrcType;
-debSLTypeDebFile _apt_DebFileType;
+                                                                       /*}}}*/
+
+APT_HIDDEN debSLTypeDeb _apt_DebType;
+APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType;
+APT_HIDDEN debSLTypeDebFile _apt_DebFileType;