tests: allow to run (selfbuilt) dpkg under gdb

[apt.git] / apt-pkg / acquire-item.cc

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 3313aaabcc47cea4b74ee3fc6cb626d44cbb16b6..b6b6d8e48c38b96e845c0611f812b31e0ab9563e 100644 (file)
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -22,9 +22,8 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>

-#include <apt-pkg/sha1.h>

 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/tagfile.h>

-#include <apt-pkg/indexrecords.h>
+#include <apt-pkg/metaindex.h>

 #include <apt-pkg/acquire.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/indexfile.h>
 #include <apt-pkg/acquire.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/indexfile.h>


@@ -33,6 +32,7 @@
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/gpgv.h>
 
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/gpgv.h>
 

+#include <algorithm>

 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>


@@ -42,9 +42,9 @@
 #include <unistd.h>
 #include <errno.h>
 #include <string>
 #include <unistd.h>
 #include <errno.h>
 #include <string>

-#include <sstream>

 #include <stdio.h>
 #include <ctime>
 #include <stdio.h>
 #include <ctime>

+#include <sstream>

 
 #include <apti18n.h>
                                                                        /*}}}*/
 
 #include <apti18n.h>
                                                                        /*}}}*/


@@ -80,18 +80,33 @@ static std::string GetFinalFileNameFromURI(std::string const &uri)  /*{{{*/
    return _config->FindDir("Dir::State::lists") + URItoFileName(uri);
 }
                                                                        /*}}}*/
    return _config->FindDir("Dir::State::lists") + URItoFileName(uri);
 }
                                                                        /*}}}*/

-static std::string GetCompressedFileName(std::string const &URI, std::string const &Name, std::string const &Ext) /*{{{*/
+static std::string GetKeepCompressedFileName(std::string file, IndexTarget const &Target)/*{{{*/
+{
+   if (Target.KeepCompressed == false)
+      return file;
+
+   std::string const CompressionTypes = Target.Option(IndexTarget::COMPRESSIONTYPES);
+   if (CompressionTypes.empty() == false)
+   {
+      std::string const ext = CompressionTypes.substr(0, CompressionTypes.find(' '));
+      if (ext != "uncompressed")
+        file.append(".").append(ext);
+   }
+   return file;
+}
+                                                                       /*}}}*/
+static std::string GetCompressedFileName(IndexTarget const &Target, std::string const &Name, std::string const &Ext) /*{{{*/

 {
    if (Ext.empty() || Ext == "uncompressed")
       return Name;
 
    // do not reverify cdrom sources as apt-cdrom may rewrite the Packages
    // file when its doing the indexcopy
 {
    if (Ext.empty() || Ext == "uncompressed")
       return Name;
 
    // do not reverify cdrom sources as apt-cdrom may rewrite the Packages
    // file when its doing the indexcopy

-   if (URI.substr(0,6) == "cdrom:")
+   if (Target.URI.substr(0,6) == "cdrom:")

       return Name;
 
    // adjust DestFile if its compressed on disk
       return Name;
 
    // adjust DestFile if its compressed on disk

-   if (_config->FindB("Acquire::GzipIndexes",false) == true)
+   if (Target.KeepCompressed == true)

       return Name + '.' + Ext;
    return Name;
 }
       return Name + '.' + Ext;
    return Name;
 }


@@ -108,10 +123,34 @@ static std::string GetDiffsPatchFileName(std::string const &Final)        /*{{{*/
    return Final + ".ed";
 }
                                                                        /*}}}*/
    return Final + ".ed";
 }
                                                                        /*}}}*/

+static bool BootstrapPDiffWith(std::string const &PartialFile, std::string const &FinalFile, IndexTarget const &Target)/*{{{*/
+{
+   // patching needs to be bootstrapped with the 'old' version
+   std::vector<std::string> types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
+   auto typeItr = types.cbegin();
+   for (; typeItr != types.cend(); ++typeItr)
+   {
+      std::string Final = FinalFile;
+      if (*typeItr != "uncompressed")
+        Final.append(".").append(*typeItr);
+      if (RealFileExists(Final) == false)
+        continue;
+      std::string Partial = PartialFile;
+      if (*typeItr != "uncompressed")
+        Partial.append(".").append(*typeItr);
+      if (FileExists(Partial.c_str()) == true)
+        return true;
+      if (symlink(Final.c_str(), Partial.c_str()) != 0)
+        return false;
+      break;
+   }
+   return typeItr != types.cend();
+}
+                                                                       /*}}}*/

 
 

-static bool AllowInsecureRepositories(indexRecords const * const MetaIndexParser, pkgAcqMetaBase * const TransactionManager, pkgAcquire::Item * const I) /*{{{*/
+static bool AllowInsecureRepositories(metaIndex const * const MetaIndexParser, pkgAcqMetaClearSig * const TransactionManager, pkgAcquire::Item * const I) /*{{{*/

 {
 {

-   if(MetaIndexParser->IsAlwaysTrusted() || _config->FindB("Acquire::AllowInsecureRepositories") == true)
+   if(MetaIndexParser->GetTrusted() == metaIndex::TRI_YES || _config->FindB("Acquire::AllowInsecureRepositories") == true)

       return true;
 
    _error->Error(_("Use --allow-insecure-repositories to force the update"));
       return true;
 
    _error->Error(_("Use --allow-insecure-repositories to force the update"));


@@ -120,11 +159,11 @@ static bool AllowInsecureRepositories(indexRecords const * const MetaIndexParser
    return false;
 }
                                                                        /*}}}*/
    return false;
 }
                                                                        /*}}}*/

-static HashStringList GetExpectedHashesFromFor(indexRecords * const Parser, std::string const MetaKey)/*{{{*/
+static HashStringList GetExpectedHashesFromFor(metaIndex * const Parser, std::string const &MetaKey)/*{{{*/

 {
    if (Parser == NULL)
       return HashStringList();
 {
    if (Parser == NULL)
       return HashStringList();

-   indexRecords::checkSum * const R = Parser->Lookup(MetaKey);
+   metaIndex::checkSum * const R = Parser->Lookup(MetaKey);

    if (R == NULL)
       return HashStringList();
    return R->Hashes;
    if (R == NULL)
       return HashStringList();
    return R->Hashes;


@@ -144,7 +183,8 @@ APT_CONST bool pkgAcqTransactionItem::HashesRequired() const
       we can at least trust them for integrity of the download itself.
       Only repositories without a Release file can (obviously) not have
       hashes – and they are very uncommon and strongly discouraged */
       we can at least trust them for integrity of the download itself.
       Only repositories without a Release file can (obviously) not have
       hashes – and they are very uncommon and strongly discouraged */

-   return TransactionManager->MetaIndexParser != NULL;
+   return TransactionManager->MetaIndexParser != NULL &&
+      TransactionManager->MetaIndexParser->GetLoadedSuccessfully() != metaIndex::TRI_UNSET;

 }
 HashStringList pkgAcqTransactionItem::GetExpectedHashes() const
 {
 }
 HashStringList pkgAcqTransactionItem::GetExpectedHashes() const
 {


@@ -268,7 +308,7 @@ std::string pkgAcqDiffIndex::GetFinalFilename() const
 std::string pkgAcqIndex::GetFinalFilename() const
 {
    std::string const FinalFile = GetFinalFileNameFromURI(Target.URI);
 std::string pkgAcqIndex::GetFinalFilename() const
 {
    std::string const FinalFile = GetFinalFileNameFromURI(Target.URI);

-   return GetCompressedFileName(Target.URI, FinalFile, CurrentCompressionExtension);
+   return GetCompressedFileName(Target, FinalFile, CurrentCompressionExtension);

 }
 std::string pkgAcqMetaSig::GetFinalFilename() const
 {
 }
 std::string pkgAcqMetaSig::GetFinalFilename() const
 {


@@ -390,23 +430,29 @@ class APT_HIDDEN NoActionItem : public pkgAcquire::Item                   /*{{{*/
 {
    IndexTarget const Target;
    public:
 {
    IndexTarget const Target;
    public:

-   virtual std::string DescURI() const {return Target.URI;};
-   virtual HashStringList GetExpectedHashes()  const {return HashStringList();};
+   virtual std::string DescURI() const APT_OVERRIDE {return Target.URI;};
+   virtual HashStringList GetExpectedHashes()  const APT_OVERRIDE {return HashStringList();};

 
 

-   NoActionItem(pkgAcquire * const Owner, IndexTarget const Target) :
+   NoActionItem(pkgAcquire * const Owner, IndexTarget const &Target) :

       pkgAcquire::Item(Owner), Target(Target)
    {
       Status = StatDone;
       DestFile = GetFinalFileNameFromURI(Target.URI);
    }
       pkgAcquire::Item(Owner), Target(Target)
    {
       Status = StatDone;
       DestFile = GetFinalFileNameFromURI(Target.URI);
    }

+   NoActionItem(pkgAcquire * const Owner, IndexTarget const &Target, std::string const &FinalFile) :
+      pkgAcquire::Item(Owner), Target(Target)
+   {
+      Status = StatDone;
+      DestFile = FinalFile;
+   }

 };
                                                                        /*}}}*/
 
 // Acquire::Item::Item - Constructor                                   /*{{{*/
 APT_IGNORE_DEPRECATED_PUSH
 };
                                                                        /*}}}*/
 
 // Acquire::Item::Item - Constructor                                   /*{{{*/
 APT_IGNORE_DEPRECATED_PUSH

-pkgAcquire::Item::Item(pkgAcquire * const Owner) :
+pkgAcquire::Item::Item(pkgAcquire * const owner) :

    FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), Local(false),
    FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), Local(false),

-    QueueCounter(0), ExpectedAdditionalItems(0), Owner(Owner)
+    QueueCounter(0), ExpectedAdditionalItems(0), Owner(owner), d(NULL)

 {
    Owner->Add(this);
    Status = StatIdle;
 {
    Owner->Add(this);
    Status = StatIdle;


@@ -456,7 +502,6 @@ void pkgAcquire::Item::Failed(string const &Message,pkgAcquire::MethodConfig con
 {
    if(ErrorText.empty())
       ErrorText = LookupTag(Message,"Message");
 {
    if(ErrorText.empty())
       ErrorText = LookupTag(Message,"Message");

-   UsedMirror =  LookupTag(Message,"UsedMirror");

    if (QueueCounter <= 1)
    {
       /* This indicates that the file is not available right now but might
    if (QueueCounter <= 1)
    {
       /* This indicates that the file is not available right now but might


@@ -514,12 +559,28 @@ void pkgAcquire::Item::Start(string const &/*Message*/, unsigned long long const
       FileSize = Size;
 }
                                                                        /*}}}*/
       FileSize = Size;
 }
                                                                        /*}}}*/

+// Acquire::Item::VerifyDone - check if Item was downloaded OK         /*{{{*/
+/* Note that hash-verification is 'hardcoded' in acquire-worker and has
+ * already passed if this method is called. */
+bool pkgAcquire::Item::VerifyDone(std::string const &Message,
+        pkgAcquire::MethodConfig const * const /*Cnf*/)
+{
+   std::string const FileName = LookupTag(Message,"Filename");
+   if (FileName.empty() == true)
+   {
+      Status = StatError;
+      ErrorText = "Method gave a blank filename";
+      return false;
+   }
+
+   return true;
+}
+                                                                       /*}}}*/

 // Acquire::Item::Done - Item downloaded OK                            /*{{{*/
 // Acquire::Item::Done - Item downloaded OK                            /*{{{*/

-void pkgAcquire::Item::Done(string const &Message, HashStringList const &Hashes,
+void pkgAcquire::Item::Done(string const &/*Message*/, HashStringList const &Hashes,

                            pkgAcquire::MethodConfig const * const /*Cnf*/)
 {
    // We just downloaded something..
                            pkgAcquire::MethodConfig const * const /*Cnf*/)
 {
    // We just downloaded something..

-   UsedMirror = LookupTag(Message,"UsedMirror");

    if (FileSize == 0)
    {
       unsigned long long const downloadedSize = Hashes.FileSize();
    if (FileSize == 0)
    {
       unsigned long long const downloadedSize = Hashes.FileSize();


@@ -586,8 +647,8 @@ bool pkgAcquire::Item::RenameOnError(pkgAcquire::Item::RenameOnErrorState const
         Status = StatError;
         break;
       case NotClearsigned:
         Status = StatError;
         break;
       case NotClearsigned:

-        errtext = _("Does not start with a cleartext signature");
-        Status = StatError;
+        strprintf(errtext, _("Clearsigned file isn't valid, got '%s' (does the network require authentication?)"), "NOSPLIT");
+        Status = StatAuthError;

         break;
       case MaximumSizeExceeded:
         // the method is expected to report a good error for this
         break;
       case MaximumSizeExceeded:
         // the method is expected to report a good error for this


@@ -661,8 +722,8 @@ std::string pkgAcquire::Item::HashSum() const                               /*{{{*/
                                                                        /*}}}*/
 
 pkgAcqTransactionItem::pkgAcqTransactionItem(pkgAcquire * const Owner, /*{{{*/
                                                                        /*}}}*/
 
 pkgAcqTransactionItem::pkgAcqTransactionItem(pkgAcquire * const Owner, /*{{{*/

-      pkgAcqMetaBase * const TransactionManager, IndexTarget const Target) :
-   pkgAcquire::Item(Owner), Target(Target), TransactionManager(TransactionManager)
+      pkgAcqMetaClearSig * const transactionManager, IndexTarget const &target) :
+   pkgAcquire::Item(Owner), d(NULL), Target(target), TransactionManager(transactionManager)

 {
    if (TransactionManager != this)
       TransactionManager->Add(this);
 {
    if (TransactionManager != this)
       TransactionManager->Add(this);


@@ -672,7 +733,7 @@ pkgAcqTransactionItem::~pkgAcqTransactionItem()                             /*{{{*/
 {
 }
                                                                        /*}}}*/
 {
 }
                                                                        /*}}}*/

-HashStringList pkgAcqTransactionItem::GetExpectedHashesFor(std::string const MetaKey) const    /*{{{*/
+HashStringList pkgAcqTransactionItem::GetExpectedHashesFor(std::string const &MetaKey) const   /*{{{*/

 {
    return GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, MetaKey);
 }
 {
    return GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, MetaKey);
 }


@@ -680,12 +741,11 @@ HashStringList pkgAcqTransactionItem::GetExpectedHashesFor(std::string const Met
 
 // AcqMetaBase - Constructor                                           /*{{{*/
 pkgAcqMetaBase::pkgAcqMetaBase(pkgAcquire * const Owner,
 
 // AcqMetaBase - Constructor                                           /*{{{*/
 pkgAcqMetaBase::pkgAcqMetaBase(pkgAcquire * const Owner,

-      pkgAcqMetaBase * const TransactionManager,
-      std::vector<IndexTarget> const IndexTargets,
-      IndexTarget const &DataTarget,
-      indexRecords * const MetaIndexParser)
-: pkgAcqTransactionItem(Owner, TransactionManager, DataTarget),
-   MetaIndexParser(MetaIndexParser), LastMetaIndexParser(NULL), IndexTargets(IndexTargets),
+      pkgAcqMetaClearSig * const TransactionManager,
+      std::vector<IndexTarget> const &IndexTargets,
+      IndexTarget const &DataTarget)
+: pkgAcqTransactionItem(Owner, TransactionManager, DataTarget), d(NULL),
+   IndexTargets(IndexTargets),

    AuthPass(false), IMSHit(false)
 {
 }
    AuthPass(false), IMSHit(false)
 {
 }


@@ -775,7 +835,7 @@ bool pkgAcqMetaBase::CheckStopAuthentication(pkgAcquire::Item * const I, const s
       _error->Warning(_("An error occurred during the signature "
                         "verification. The repository is not updated "
                         "and the previous index files will be used. "
       _error->Warning(_("An error occurred during the signature "
                         "verification. The repository is not updated "
                         "and the previous index files will be used. "

-                        "GPG error: %s: %s\n"),
+                        "GPG error: %s: %s"),

                       Desc.Description.c_str(),
                       LookupTag(Message,"Message").c_str());
       RunScripts("APT::Update::Auth-Failure");
                       Desc.Description.c_str(),
                       LookupTag(Message,"Message").c_str());
       RunScripts("APT::Update::Auth-Failure");


@@ -785,7 +845,7 @@ bool pkgAcqMetaBase::CheckStopAuthentication(pkgAcquire::Item * const I, const s
       _error->Error(_("GPG error: %s: %s"),
                     Desc.Description.c_str(),
                     LookupTag(Message,"Message").c_str());
       _error->Error(_("GPG error: %s: %s"),
                     Desc.Description.c_str(),
                     LookupTag(Message,"Message").c_str());

-      I->Status = StatError;
+      I->Status = StatAuthError;

       return true;
    } else {
       _error->Warning(_("GPG error: %s: %s"),
       return true;
    } else {
       _error->Warning(_("GPG error: %s: %s"),


@@ -808,7 +868,6 @@ string pkgAcqMetaBase::Custom600Headers() const
    Header += MaximumSize;
 
    string const FinalFile = GetFinalFilename();
    Header += MaximumSize;
 
    string const FinalFile = GetFinalFilename();

-

    struct stat Buf;
    if (stat(FinalFile.c_str(),&Buf) == 0)
       Header += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
    struct stat Buf;
    if (stat(FinalFile.c_str(),&Buf) == 0)
       Header += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);


@@ -832,14 +891,7 @@ bool pkgAcqMetaBase::CheckDownloadDone(pkgAcqTransactionItem * const I, const st
    // We have just finished downloading a Release file (it is not
    // verified yet)
 
    // We have just finished downloading a Release file (it is not
    // verified yet)
 

-   string const FileName = LookupTag(Message,"Filename");
-   if (FileName.empty() == true)
-   {
-      I->Status = StatError;
-      I->ErrorText = "Method gave a blank filename";
-      return false;
-   }
-
+   std::string const FileName = LookupTag(Message,"Filename");

    if (FileName != I->DestFile && RealFileExists(I->DestFile) == false)
    {
       I->Local = true;
    if (FileName != I->DestFile && RealFileExists(I->DestFile) == false)
    {
       I->Local = true;


@@ -901,26 +953,28 @@ bool pkgAcqMetaBase::CheckAuthDone(string const &Message)         /*{{{*/
       }
       if (RealFileExists(FinalInRelease) || RealFileExists(FinalRelease))
       {
       }
       if (RealFileExists(FinalInRelease) || RealFileExists(FinalRelease))
       {

-        TransactionManager->LastMetaIndexParser = new indexRecords;
-        _error->PushToStack();
-        if (RealFileExists(FinalInRelease))
-           TransactionManager->LastMetaIndexParser->Load(FinalInRelease);
-        else
-           TransactionManager->LastMetaIndexParser->Load(FinalRelease);
-        // its unlikely to happen, but if what we have is bad ignore it
-        if (_error->PendingError())
+        TransactionManager->LastMetaIndexParser = TransactionManager->MetaIndexParser->UnloadedClone();
+        if (TransactionManager->LastMetaIndexParser != NULL)

         {
         {

-           delete TransactionManager->LastMetaIndexParser;
-           TransactionManager->LastMetaIndexParser = NULL;
+           _error->PushToStack();
+           if (RealFileExists(FinalInRelease))
+              TransactionManager->LastMetaIndexParser->Load(FinalInRelease, NULL);
+           else
+              TransactionManager->LastMetaIndexParser->Load(FinalRelease, NULL);
+           // its unlikely to happen, but if what we have is bad ignore it
+           if (_error->PendingError())
+           {
+              delete TransactionManager->LastMetaIndexParser;
+              TransactionManager->LastMetaIndexParser = NULL;
+           }
+           _error->RevertToStack();

         }
         }

-        _error->RevertToStack();

       }
    }
 
       }
    }
 

-   if (TransactionManager->MetaIndexParser->Load(DestFile) == false)
+   if (TransactionManager->MetaIndexParser->Load(DestFile, &ErrorText) == false)

    {
       Status = StatAuthError;
    {
       Status = StatAuthError;

-      ErrorText = TransactionManager->MetaIndexParser->ErrorText;

       return false;
    }
 
       return false;
    }
 


@@ -945,11 +999,11 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify)                      /*{{{*/
    // at this point the real Items are loaded in the fetcher
    ExpectedAdditionalItems = 0;
 
    // at this point the real Items are loaded in the fetcher
    ExpectedAdditionalItems = 0;
 

-   for (std::vector <IndexTarget>::const_iterator Target = IndexTargets.begin();
+   for (std::vector <IndexTarget>::iterator Target = IndexTargets.begin();

         Target != IndexTargets.end();
         ++Target)
    {
         Target != IndexTargets.end();
         ++Target)
    {

-      bool trypdiff = _config->FindB("Acquire::PDiffs", true);
+      bool trypdiff = Target->OptionBool(IndexTarget::PDIFFS);

       if (verify == true)
       {
         if (TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false)
       if (verify == true)
       {
         if (TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false)


@@ -963,28 +1017,84 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify)                     /*{{{*/
            return;
         }
 
            return;
         }
 

-        if (RealFileExists(GetFinalFileNameFromURI(Target->URI)))
+        // autoselect the compression method
+        std::vector<std::string> types = VectorizeString(Target->Option(IndexTarget::COMPRESSIONTYPES), ' ');
+        types.erase(std::remove_if(types.begin(), types.end(), [&](std::string const &t) {
+           if (t == "uncompressed")
+              return TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false;
+           std::string const MetaKey = Target->MetaKey + "." + t;
+           return TransactionManager->MetaIndexParser->Exists(MetaKey) == false;
+        }), types.end());
+        if (types.empty() == false)

         {
         {

-           if (TransactionManager->LastMetaIndexParser != NULL)
+           std::ostringstream os;
+           std::copy(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "));
+           os << *types.rbegin();
+           Target->Options["COMPRESSIONTYPES"] = os.str();
+        }
+        else
+           Target->Options["COMPRESSIONTYPES"].clear();
+
+        std::string filename = GetFinalFileNameFromURI(Target->URI);
+        if (RealFileExists(filename) == false)
+        {
+           if (Target->KeepCompressed)

            {
            {

+              filename = GetKeepCompressedFileName(filename, *Target);
+              if (RealFileExists(filename) == false)
+                 filename.clear();
+           }
+           else
+              filename.clear();
+        }
+
+        if (filename.empty() == false)
+        {
+           // if the Release file is a hit and we have an index it must be the current one
+           if (TransactionManager->IMSHit == true)
+              ;
+           else if (TransactionManager->LastMetaIndexParser != NULL)
+           {
+              // see if the file changed since the last Release file
+              // we use the uncompressed files as we might compress differently compared to the server,
+              // so the hashes might not match, even if they contain the same data.

               HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target->MetaKey);
               HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target->MetaKey);
               HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target->MetaKey);
               HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target->MetaKey);

-              if (newFile == oldFile)
-              {
-                 // we have the file already, no point in trying to acquire it again
-                 new NoActionItem(Owner, *Target);
-                 continue;
-              }
+              if (newFile != oldFile)
+                 filename.clear();

            }
            }

+           else
+              filename.clear();

         }
         else
            trypdiff = false; // no file to patch
 
         }
         else
            trypdiff = false; // no file to patch
 

+        if (filename.empty() == false)
+        {
+           new NoActionItem(Owner, *Target, filename);
+           continue;
+        }
+

         // check if we have patches available
         trypdiff &= TransactionManager->MetaIndexParser->Exists(Target->MetaKey + ".diff/Index");
       }
         // check if we have patches available
         trypdiff &= TransactionManager->MetaIndexParser->Exists(Target->MetaKey + ".diff/Index");
       }

-      // if we have no file to patch, no point in trying
-      trypdiff &= RealFileExists(GetFinalFileNameFromURI(Target->URI));
+      else
+      {
+        // if we have no file to patch, no point in trying
+        std::string filename = GetFinalFileNameFromURI(Target->URI);
+        if (RealFileExists(filename) == false)
+        {
+           if (Target->KeepCompressed)
+           {
+              filename = GetKeepCompressedFileName(filename, *Target);
+              if (RealFileExists(filename) == false)
+                 filename.clear();
+           }
+           else
+              filename.clear();
+        }
+        trypdiff &= (filename.empty() == false);
+      }

 
       // no point in patching from local sources
       if (trypdiff)
 
       // no point in patching from local sources
       if (trypdiff)


@@ -1039,15 +1149,15 @@ bool pkgAcqMetaBase::VerifyVendor(string const &Message)                /*{{{*/
       Transformed = "";
    }
 
       Transformed = "";
    }
 

-   if (_config->FindB("Acquire::Check-Valid-Until", true) == true &&
-       TransactionManager->MetaIndexParser->GetValidUntil() > 0) {
+   if (TransactionManager->MetaIndexParser->GetValidUntil() > 0)
+   {

       time_t const invalid_since = time(NULL) - TransactionManager->MetaIndexParser->GetValidUntil();
       if (invalid_since > 0)
       {
         std::string errmsg;
         strprintf(errmsg,
               // TRANSLATOR: The first %s is the URL of the bad Release file, the second is
       time_t const invalid_since = time(NULL) - TransactionManager->MetaIndexParser->GetValidUntil();
       if (invalid_since > 0)
       {
         std::string errmsg;
         strprintf(errmsg,
               // TRANSLATOR: The first %s is the URL of the bad Release file, the second is

-              // the time since then the file is invalid - formated in the same way as in
+              // the time since then the file is invalid - formatted in the same way as in

               // the download progress display (e.g. 7d 3h 42min 1s)
               _("Release file for %s is expired (invalid since %s). "
                  "Updates for this repository will not be applied."),
               // the download progress display (e.g. 7d 3h 42min 1s)
               _("Release file for %s is expired (invalid since %s). "
                  "Updates for this repository will not be applied."),


@@ -1066,14 +1176,16 @@ bool pkgAcqMetaBase::VerifyVendor(string const &Message)                /*{{{*/
       TransactionManager->IMSHit = true;
       unlink(DestFile.c_str());
       PartialFile = DestFile = GetFinalFilename();
       TransactionManager->IMSHit = true;
       unlink(DestFile.c_str());
       PartialFile = DestFile = GetFinalFilename();

-      delete TransactionManager->MetaIndexParser;
-      TransactionManager->MetaIndexParser = TransactionManager->LastMetaIndexParser;
+      // load the 'old' file in the 'new' one instead of flipping pointers as
+      // the new one isn't owned by us, while the old one is so cleanup would be confused.
+      TransactionManager->MetaIndexParser->swapLoad(TransactionManager->LastMetaIndexParser);
+      delete TransactionManager->LastMetaIndexParser;

       TransactionManager->LastMetaIndexParser = NULL;
    }
 
    if (_config->FindB("Debug::pkgAcquire::Auth", false)) 
    {
       TransactionManager->LastMetaIndexParser = NULL;
    }
 
    if (_config->FindB("Debug::pkgAcquire::Auth", false)) 
    {

-      std::cerr << "Got Codename: " << TransactionManager->MetaIndexParser->GetDist() << std::endl;
+      std::cerr << "Got Codename: " << TransactionManager->MetaIndexParser->GetCodename() << std::endl;

       std::cerr << "Expecting Dist: " << TransactionManager->MetaIndexParser->GetExpectedDist() << std::endl;
       std::cerr << "Transformed Dist: " << Transformed << std::endl;
    }
       std::cerr << "Expecting Dist: " << TransactionManager->MetaIndexParser->GetExpectedDist() << std::endl;
       std::cerr << "Transformed Dist: " << Transformed << std::endl;
    }


@@ -1084,30 +1196,33 @@ bool pkgAcqMetaBase::VerifyVendor(string const &Message)                /*{{{*/
 //       Status = StatAuthError;
 //       ErrorText = "Conflicting distribution; expected "
 //          + MetaIndexParser->GetExpectedDist() + " but got "
 //       Status = StatAuthError;
 //       ErrorText = "Conflicting distribution; expected "
 //          + MetaIndexParser->GetExpectedDist() + " but got "

-//          + MetaIndexParser->GetDist();
+//          + MetaIndexParser->GetCodename();

 //       return false;
       if (!Transformed.empty())
       {
          _error->Warning(_("Conflicting distribution: %s (expected %s but got %s)"),
                          Desc.Description.c_str(),
                          Transformed.c_str(),
 //       return false;
       if (!Transformed.empty())
       {
          _error->Warning(_("Conflicting distribution: %s (expected %s but got %s)"),
                          Desc.Description.c_str(),
                          Transformed.c_str(),

-                         TransactionManager->MetaIndexParser->GetDist().c_str());
+                         TransactionManager->MetaIndexParser->GetCodename().c_str());

       }
    }
 
    return true;
 }
                                                                        /*}}}*/
       }
    }
 
    return true;
 }
                                                                        /*}}}*/

-pkgAcqMetaBase::~pkgAcqMetaBase() {}
+pkgAcqMetaBase::~pkgAcqMetaBase()
+{
+}

 
 pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire * const Owner,       /*{{{*/
       IndexTarget const &ClearsignedTarget,
       IndexTarget const &DetachedDataTarget, IndexTarget const &DetachedSigTarget,
 
 pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire * const Owner,       /*{{{*/
       IndexTarget const &ClearsignedTarget,
       IndexTarget const &DetachedDataTarget, IndexTarget const &DetachedSigTarget,

-      std::vector<IndexTarget> const IndexTargets,
-      indexRecords * const MetaIndexParser) :
-   pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget, IndexTargets, MetaIndexParser),
-   ClearsignedTarget(ClearsignedTarget),
-   DetachedDataTarget(DetachedDataTarget), DetachedSigTarget(DetachedSigTarget)
+      std::vector<IndexTarget> const &IndexTargets,
+      metaIndex * const MetaIndexParser) :
+   pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget, IndexTargets),
+   d(NULL), ClearsignedTarget(ClearsignedTarget),
+   DetachedDataTarget(DetachedDataTarget),
+   MetaIndexParser(MetaIndexParser), LastMetaIndexParser(NULL)

 {
    // index targets + (worst case:) Release/Release.gpg
    ExpectedAdditionalItems = IndexTargets.size() + 2;
 {
    // index targets + (worst case:) Release/Release.gpg
    ExpectedAdditionalItems = IndexTargets.size() + 2;


@@ -1116,6 +1231,8 @@ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire * const Owner,  /*{{{*/
                                                                        /*}}}*/
 pkgAcqMetaClearSig::~pkgAcqMetaClearSig()                              /*{{{*/
 {
                                                                        /*}}}*/
 pkgAcqMetaClearSig::~pkgAcqMetaClearSig()                              /*{{{*/
 {

+   if (LastMetaIndexParser != NULL)
+      delete LastMetaIndexParser;

 }
                                                                        /*}}}*/
 // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers        /*{{{*/
 }
                                                                        /*}}}*/
 // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers        /*{{{*/


@@ -1123,9 +1240,23 @@ string pkgAcqMetaClearSig::Custom600Headers() const
 {
    string Header = pkgAcqMetaBase::Custom600Headers();
    Header += "\nFail-Ignore: true";
 {
    string Header = pkgAcqMetaBase::Custom600Headers();
    Header += "\nFail-Ignore: true";

+   std::string const key = TransactionManager->MetaIndexParser->GetSignedBy();
+   if (key.empty() == false)
+      Header += "\nSigned-By: " + key;
+

    return Header;
 }
                                                                        /*}}}*/
    return Header;
 }
                                                                        /*}}}*/

+bool pkgAcqMetaClearSig::VerifyDone(std::string const &Message,
+        pkgAcquire::MethodConfig const * const Cnf)
+{
+   Item::VerifyDone(Message, Cnf);
+
+   if (FileExists(DestFile) && !StartsWithGPGClearTextSignature(DestFile))
+      return RenameOnError(NotClearsigned);
+
+   return true;
+}

 // pkgAcqMetaClearSig::Done - We got a file                            /*{{{*/
 void pkgAcqMetaClearSig::Done(std::string const &Message,
                               HashStringList const &Hashes,
 // pkgAcqMetaClearSig::Done - We got a file                            /*{{{*/
 void pkgAcqMetaClearSig::Done(std::string const &Message,
                               HashStringList const &Hashes,


@@ -1133,17 +1264,6 @@ void pkgAcqMetaClearSig::Done(std::string const &Message,
 {
    Item::Done(Message, Hashes, Cnf);
 
 {
    Item::Done(Message, Hashes, Cnf);
 

-   // if we expect a ClearTextSignature (InRelease), ensure that
-   // this is what we get and if not fail to queue a 
-   // Release/Release.gpg, see #346386
-   if (FileExists(DestFile) && !StartsWithGPGClearTextSignature(DestFile))
-   {
-      pkgAcquire::Item::Failed(Message, Cnf);
-      RenameOnError(NotClearsigned);
-      TransactionManager->AbortTransaction();
-      return;
-   }
-

    if(AuthPass == false)
    {
       if(CheckDownloadDone(this, Message, Hashes) == true)
    if(AuthPass == false)
    {
       if(CheckDownloadDone(this, Message, Hashes) == true)


@@ -1174,13 +1294,23 @@ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig c
 
    if (AuthPass == false)
    {
 
    if (AuthPass == false)
    {

+      if (Status == StatAuthError)
+      {
+        // if we expected a ClearTextSignature (InRelease) and got a file,
+        // but it wasn't valid we end up here (see VerifyDone).
+        // As these is usually called by web-portals we do not try Release/Release.gpg
+        // as this is gonna fail anyway and instead abort our try (LP#346386)
+        TransactionManager->AbortTransaction();
+        return;
+      }
+

       // Queue the 'old' InRelease file for removal if we try Release.gpg
       // as otherwise the file will stay around and gives a false-auth
       // impression (CVE-2012-0214)
       TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
       Status = StatDone;
 
       // Queue the 'old' InRelease file for removal if we try Release.gpg
       // as otherwise the file will stay around and gives a false-auth
       // impression (CVE-2012-0214)
       TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
       Status = StatDone;
 

-      new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget, IndexTargets, TransactionManager->MetaIndexParser);
+      new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget, IndexTargets);

    }
    else
    {
    }
    else
    {


@@ -1212,25 +1342,28 @@ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig c
            // open the last Release if we have it
            if (TransactionManager->IMSHit == false)
            {
            // open the last Release if we have it
            if (TransactionManager->IMSHit == false)
            {

-              TransactionManager->LastMetaIndexParser = new indexRecords;
-              _error->PushToStack();
-              if (RealFileExists(FinalInRelease))
-                 TransactionManager->LastMetaIndexParser->Load(FinalInRelease);
-              else
-                 TransactionManager->LastMetaIndexParser->Load(FinalRelease);
-              // its unlikely to happen, but if what we have is bad ignore it
-              if (_error->PendingError())
+              TransactionManager->LastMetaIndexParser = TransactionManager->MetaIndexParser->UnloadedClone();
+              if (TransactionManager->LastMetaIndexParser != NULL)

               {
               {

-                 delete TransactionManager->LastMetaIndexParser;
-                 TransactionManager->LastMetaIndexParser = NULL;
+                 _error->PushToStack();
+                 if (RealFileExists(FinalInRelease))
+                    TransactionManager->LastMetaIndexParser->Load(FinalInRelease, NULL);
+                 else
+                    TransactionManager->LastMetaIndexParser->Load(FinalRelease, NULL);
+                 // its unlikely to happen, but if what we have is bad ignore it
+                 if (_error->PendingError())
+                 {
+                    delete TransactionManager->LastMetaIndexParser;
+                    TransactionManager->LastMetaIndexParser = NULL;
+                 }
+                 _error->RevertToStack();

               }
               }

-              _error->RevertToStack();

            }
         }
 
         // we parse the indexes here because at this point the user wanted
         // a repository that may potentially harm him
            }
         }
 
         // we parse the indexes here because at this point the user wanted
         // a repository that may potentially harm him

-        if (TransactionManager->MetaIndexParser->Load(PartialRelease) == false || VerifyVendor(Message) == false)
+        if (TransactionManager->MetaIndexParser->Load(PartialRelease, &ErrorText) == false || VerifyVendor(Message) == false)

            /* expired Release files are still a problem you need extra force for */;
         else
            QueueIndexes(true);
            /* expired Release files are still a problem you need extra force for */;
         else
            QueueIndexes(true);


@@ -1240,12 +1373,11 @@ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig c
                                                                        /*}}}*/
 
 pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner,             /*{{{*/
                                                                        /*}}}*/
 
 pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner,             /*{{{*/

-                                 pkgAcqMetaBase * const TransactionManager,
+                                 pkgAcqMetaClearSig * const TransactionManager,

                                 IndexTarget const &DataTarget,
                                 IndexTarget const &DetachedSigTarget,
                                 IndexTarget const &DataTarget,
                                 IndexTarget const &DetachedSigTarget,

-                                vector<IndexTarget> const IndexTargets,
-                                indexRecords * const MetaIndexParser) :
-   pkgAcqMetaBase(Owner, TransactionManager, IndexTargets, DataTarget, MetaIndexParser),
+                                vector<IndexTarget> const &IndexTargets) :
+   pkgAcqMetaBase(Owner, TransactionManager, IndexTargets, DataTarget), d(NULL),

    DetachedSigTarget(DetachedSigTarget)
 {
    if(_config->FindB("Debug::Acquire::Transaction", false) == true)
    DetachedSigTarget(DetachedSigTarget)
 {
    if(_config->FindB("Debug::Acquire::Transaction", false) == true)


@@ -1298,8 +1430,6 @@ void pkgAcqMetaIndex::Failed(string const &Message,
    {
       // ensure old Release files are removed
       TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
    {
       // ensure old Release files are removed
       TransactionManager->TransactionStageRemoval(this, GetFinalFilename());

-      delete TransactionManager->MetaIndexParser;
-      TransactionManager->MetaIndexParser = NULL;

 
       // queue without any kind of hashsum support
       QueueIndexes(false);
 
       // queue without any kind of hashsum support
       QueueIndexes(false);


@@ -1324,10 +1454,10 @@ pkgAcqMetaIndex::~pkgAcqMetaIndex() {}
 
 // AcqMetaSig::AcqMetaSig - Constructor                                        /*{{{*/
 pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire * const Owner,
 
 // AcqMetaSig::AcqMetaSig - Constructor                                        /*{{{*/
 pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire * const Owner,

-      pkgAcqMetaBase * const TransactionManager,
-      IndexTarget const Target,
+      pkgAcqMetaClearSig * const TransactionManager,
+      IndexTarget const &Target,

       pkgAcqMetaIndex * const MetaIndex) :
       pkgAcqMetaIndex * const MetaIndex) :

-   pkgAcqTransactionItem(Owner, TransactionManager, Target), MetaIndex(MetaIndex)
+   pkgAcqTransactionItem(Owner, TransactionManager, Target), d(NULL), MetaIndex(MetaIndex)

 {
    DestFile = GetPartialFileNameFromURI(Target.URI);
 
 {
    DestFile = GetPartialFileNameFromURI(Target.URI);
 


@@ -1363,6 +1493,16 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire * const Owner,
                                                                        /*}}}*/
 pkgAcqMetaSig::~pkgAcqMetaSig()                                                /*{{{*/
 {
                                                                        /*}}}*/
 pkgAcqMetaSig::~pkgAcqMetaSig()                                                /*{{{*/
 {

+}
+                                                                       /*}}}*/
+// pkgAcqMetaSig::Custom600Headers - Insert custom request headers     /*{{{*/
+std::string pkgAcqMetaSig::Custom600Headers() const
+{
+   std::string Header = pkgAcqTransactionItem::Custom600Headers();
+   std::string const key = TransactionManager->MetaIndexParser->GetSignedBy();
+   if (key.empty() == false)
+      Header += "\nSigned-By: " + key;
+   return Header;

 }
                                                                        /*}}}*/
 // AcqMetaSig::Done - The signature was downloaded/verified            /*{{{*/
 }
                                                                        /*}}}*/
 // AcqMetaSig::Done - The signature was downloaded/verified            /*{{{*/


@@ -1448,25 +1588,28 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const
         // open the last Release if we have it
         if (TransactionManager->IMSHit == false)
         {
         // open the last Release if we have it
         if (TransactionManager->IMSHit == false)
         {

-           TransactionManager->LastMetaIndexParser = new indexRecords;
-           _error->PushToStack();
-           if (RealFileExists(FinalInRelease))
-              TransactionManager->LastMetaIndexParser->Load(FinalInRelease);
-           else
-              TransactionManager->LastMetaIndexParser->Load(FinalRelease);
-           // its unlikely to happen, but if what we have is bad ignore it
-           if (_error->PendingError())
+           TransactionManager->LastMetaIndexParser = TransactionManager->MetaIndexParser->UnloadedClone();
+           if (TransactionManager->LastMetaIndexParser != NULL)

            {
            {

-              delete TransactionManager->LastMetaIndexParser;
-              TransactionManager->LastMetaIndexParser = NULL;
+              _error->PushToStack();
+              if (RealFileExists(FinalInRelease))
+                 TransactionManager->LastMetaIndexParser->Load(FinalInRelease, NULL);
+              else
+                 TransactionManager->LastMetaIndexParser->Load(FinalRelease, NULL);
+              // its unlikely to happen, but if what we have is bad ignore it
+              if (_error->PendingError())
+              {
+                 delete TransactionManager->LastMetaIndexParser;
+                 TransactionManager->LastMetaIndexParser = NULL;
+              }
+              _error->RevertToStack();

            }
            }

-           _error->RevertToStack();

         }
       }
 
       // we parse the indexes here because at this point the user wanted
       // a repository that may potentially harm him
         }
       }
 
       // we parse the indexes here because at this point the user wanted
       // a repository that may potentially harm him

-      if (TransactionManager->MetaIndexParser->Load(MetaIndex->DestFile) == false || MetaIndex->VerifyVendor(Message) == false)
+      if (TransactionManager->MetaIndexParser->Load(MetaIndex->DestFile, &ErrorText) == false || MetaIndex->VerifyVendor(Message) == false)

         /* expired Release files are still a problem you need extra force for */;
       else
         MetaIndex->QueueIndexes(true);
         /* expired Release files are still a problem you need extra force for */;
       else
         MetaIndex->QueueIndexes(true);


@@ -1487,9 +1630,9 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const
 
 // AcqBaseIndex - Constructor                                          /*{{{*/
 pkgAcqBaseIndex::pkgAcqBaseIndex(pkgAcquire * const Owner,
 
 // AcqBaseIndex - Constructor                                          /*{{{*/
 pkgAcqBaseIndex::pkgAcqBaseIndex(pkgAcquire * const Owner,

-      pkgAcqMetaBase * const TransactionManager,
-      IndexTarget const Target)
-: pkgAcqTransactionItem(Owner, TransactionManager, Target)
+      pkgAcqMetaClearSig * const TransactionManager,
+      IndexTarget const &Target)
+: pkgAcqTransactionItem(Owner, TransactionManager, Target), d(NULL)

 {
 }
                                                                        /*}}}*/
 {
 }
                                                                        /*}}}*/


@@ -1503,9 +1646,9 @@ pkgAcqBaseIndex::~pkgAcqBaseIndex() {}
  * the original packages file
  */
 pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner,
  * the original packages file
  */
 pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner,

-                                 pkgAcqMetaBase * const TransactionManager,
-                                 IndexTarget const Target)
-   : pkgAcqBaseIndex(Owner, TransactionManager, Target)
+                                 pkgAcqMetaClearSig * const TransactionManager,
+                                 IndexTarget const &Target)
+   : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), diffs(NULL)

 {
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
 
 {
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
 


@@ -1611,7 +1754,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/
       LocalHashes = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey);
    if (LocalHashes.usable() == false)
    {
       LocalHashes = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey);
    if (LocalHashes.usable() == false)
    {

-      FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
+      FileFd fd(CurrentPackagesFile, FileFd::ReadOnly, FileFd::Auto);

       Hashes LocalHashesCalc(ServerHashes);
       LocalHashesCalc.AddFD(fd);
       LocalHashes = LocalHashesCalc.GetHashStringList();
       Hashes LocalHashesCalc(ServerHashes);
       LocalHashesCalc.AddFD(fd);
       LocalHashes = LocalHashesCalc.GetHashStringList();


@@ -1840,7 +1983,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/
       new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
    else
    {
       new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
    else
    {

-      std::vector<pkgAcqIndexMergeDiffs*> *diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size());
+      diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size());

       for(size_t i = 0; i < available_patches.size(); ++i)
         (*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, TransactionManager,
                Target,
       for(size_t i = 0; i < available_patches.size(); ++i)
         (*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, TransactionManager,
                Target,


@@ -1896,7 +2039,11 @@ void pkgAcqDiffIndex::Done(string const &Message,HashStringList const &Hashes,   /
    return;
 }
                                                                        /*}}}*/
    return;
 }
                                                                        /*}}}*/

-pkgAcqDiffIndex::~pkgAcqDiffIndex() {}
+pkgAcqDiffIndex::~pkgAcqDiffIndex()
+{
+   if (diffs != NULL)
+      delete diffs;
+}

 
 // AcqIndexDiffs::AcqIndexDiffs - Constructor                          /*{{{*/
 // ---------------------------------------------------------------------
 
 // AcqIndexDiffs::AcqIndexDiffs - Constructor                          /*{{{*/
 // ---------------------------------------------------------------------


@@ -1904,13 +2051,13 @@ pkgAcqDiffIndex::~pkgAcqDiffIndex() {}
  * for each diff and the index
  */
 pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
  * for each diff and the index
  */
 pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,

-                                   pkgAcqMetaBase * const TransactionManager,
-                                   IndexTarget const Target,
+                                   pkgAcqMetaClearSig * const TransactionManager,
+                                   IndexTarget const &Target,

                                   vector<DiffInfo> const &diffs)
                                   vector<DiffInfo> const &diffs)

-   : pkgAcqBaseIndex(Owner, TransactionManager, Target),
+   : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL),

      available_patches(diffs)
 {
      available_patches(diffs)
 {

-   DestFile = GetPartialFileNameFromURI(Target.URI);
+   DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);

 
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
 
 
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
 


@@ -1921,20 +2068,15 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
    if(available_patches.empty() == true)
    {
       // we are done (yeah!), check hashes against the final file
    if(available_patches.empty() == true)
    {
       // we are done (yeah!), check hashes against the final file

-      DestFile = GetFinalFileNameFromURI(Target.URI);
+      DestFile = GetKeepCompressedFileName(GetFinalFileNameFromURI(Target.URI), Target);

       Finish(true);
    }
    else
    {
       Finish(true);
    }
    else
    {

-      // patching needs to be bootstrapped with the 'old' version
-      std::string const PartialFile = GetPartialFileNameFromURI(Target.URI);
-      if (RealFileExists(PartialFile) == false)
+      if (BootstrapPDiffWith(GetPartialFileNameFromURI(Target.URI), GetFinalFilename(), Target) == false)

       {
       {

-        if (symlink(GetFinalFilename().c_str(), PartialFile.c_str()) != 0)
-        {
-           Failed("Link creation of " + PartialFile + " to " + GetFinalFilename() + " failed", NULL);
-           return;
-        }
+        Failed("Bootstrapping of " + DestFile + " failed", NULL);
+        return;

       }
 
       // get the next diff
       }
 
       // get the next diff


@@ -1948,10 +2090,10 @@ void pkgAcqIndexDiffs::Failed(string const &Message,pkgAcquire::MethodConfig con
    Item::Failed(Message,Cnf);
    Status = StatDone;
 
    Item::Failed(Message,Cnf);
    Status = StatDone;
 

+   DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);

    if(Debug)
       std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl
    if(Debug)
       std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl

-               << "Falling back to normal index file acquire" << std::endl;
-   DestFile = GetPartialFileNameFromURI(Target.URI);
+               << "Falling back to normal index file acquire " << std::endl;

    RenameOnError(PDiffError);
    std::string const patchname = GetDiffsPatchFileName(DestFile);
    if (RealFileExists(patchname))
    RenameOnError(PDiffError);
    std::string const patchname = GetDiffsPatchFileName(DestFile);
    if (RealFileExists(patchname))


@@ -1972,7 +2114,14 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
    // the file will be cleaned
    if(allDone)
    {
    // the file will be cleaned
    if(allDone)
    {

-      TransactionManager->TransactionStageCopy(this, DestFile, GetFinalFilename());
+      std::string Final = GetFinalFilename();
+      if (Target.KeepCompressed)
+      {
+        std::string const ext = flExtension(DestFile);
+        if (ext.empty() == false)
+           Final.append(".").append(ext);
+      }
+      TransactionManager->TransactionStageCopy(this, DestFile, Final);

 
       // this is for the "real" finish
       Complete = true;
 
       // this is for the "real" finish
       Complete = true;


@@ -1982,6 +2131,8 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
         std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
       return;
    }
         std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
       return;
    }

+   else
+      DestFile.clear();

 
    if(Debug)
       std::clog << "Finishing: " << Desc.URI << std::endl;
 
    if(Debug)
       std::clog << "Finishing: " << Desc.URI << std::endl;


@@ -1994,15 +2145,14 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
 bool pkgAcqIndexDiffs::QueueNextDiff()                                 /*{{{*/
 {
    // calc sha1 of the just patched file
 bool pkgAcqIndexDiffs::QueueNextDiff()                                 /*{{{*/
 {
    // calc sha1 of the just patched file

-   std::string const FinalFile = GetPartialFileNameFromURI(Target.URI);
-
+   std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);

    if(!FileExists(FinalFile))
    {
       Failed("Message: No FinalFile " + FinalFile + " available", NULL);
       return false;
    }
 
    if(!FileExists(FinalFile))
    {
       Failed("Message: No FinalFile " + FinalFile + " available", NULL);
       return false;
    }
 

-   FileFd fd(FinalFile, FileFd::ReadOnly);
+   FileFd fd(FinalFile, FileFd::ReadOnly, FileFd::Extension);

    Hashes LocalHashesCalc;
    LocalHashesCalc.AddFD(fd);
    HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();
    Hashes LocalHashesCalc;
    LocalHashesCalc.AddFD(fd);
    HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();


@@ -2046,7 +2196,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff()                                    /*{{{*/
    // queue the right diff
    Desc.URI = Target.URI + ".diff/" + available_patches[0].file + ".gz";
    Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
    // queue the right diff
    Desc.URI = Target.URI + ".diff/" + available_patches[0].file + ".gz";
    Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");

-   DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file);
+   DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file), Target);

 
    if(Debug)
       std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
 
    if(Debug)
       std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;


@@ -2064,7 +2214,7 @@ void pkgAcqIndexDiffs::Done(string const &Message, HashStringList const &Hashes,
 
    Item::Done(Message, Hashes, Cnf);
 
 
    Item::Done(Message, Hashes, Cnf);
 

-   std::string const FinalFile = GetPartialFileNameFromURI(Target.URI);
+   std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);

    std::string const PatchFile = GetDiffsPatchFileName(FinalFile);
 
    // success in downloading a diff, enter ApplyDiff state
    std::string const PatchFile = GetDiffsPatchFileName(FinalFile);
 
    // success in downloading a diff, enter ApplyDiff state


@@ -2127,11 +2277,11 @@ pkgAcqIndexDiffs::~pkgAcqIndexDiffs() {}
 
 // AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor                        /*{{{*/
 pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner,
 
 // AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor                        /*{{{*/
 pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner,

-                                             pkgAcqMetaBase * const TransactionManager,
-                                             IndexTarget const Target,
+                                             pkgAcqMetaClearSig * const TransactionManager,
+                                             IndexTarget const &Target,

                                              DiffInfo const &patch,
                                              std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches)
                                              DiffInfo const &patch,
                                              std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches)

-  : pkgAcqBaseIndex(Owner, TransactionManager, Target),
+  : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL),

      patch(patch), allPatches(allPatches), State(StateFetchDiff)
 {
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
      patch(patch), allPatches(allPatches), State(StateFetchDiff)
 {
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);


@@ -2143,7 +2293,7 @@ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner,
    Desc.URI = Target.URI + ".diff/" + patch.file + ".gz";
    Desc.Description = Description + " " + patch.file + string(".pdiff");
 
    Desc.URI = Target.URI + ".diff/" + patch.file + ".gz";
    Desc.Description = Description + " " + patch.file + string(".pdiff");
 

-   DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file);
+   DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file), Target);

 
    if(Debug)
       std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl;
 
    if(Debug)
       std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl;


@@ -2170,12 +2320,13 @@ void pkgAcqIndexMergeDiffs::Failed(string const &Message,pkgAcquire::MethodConfi
    State = StateErrorDiff;
    if (Debug)
       std::clog << "Falling back to normal index file acquire" << std::endl;
    State = StateErrorDiff;
    if (Debug)
       std::clog << "Falling back to normal index file acquire" << std::endl;

-   DestFile = GetPartialFileNameFromURI(Target.URI);
+   DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);

    RenameOnError(PDiffError);
    std::string const patchname = GetMergeDiffsPatchFileName(DestFile, patch.file);
    if (RealFileExists(patchname))
       rename(patchname.c_str(), std::string(patchname + ".FAILED").c_str());
    new pkgAcqIndex(Owner, TransactionManager, Target);
    RenameOnError(PDiffError);
    std::string const patchname = GetMergeDiffsPatchFileName(DestFile, patch.file);
    if (RealFileExists(patchname))
       rename(patchname.c_str(), std::string(patchname + ".FAILED").c_str());
    new pkgAcqIndex(Owner, TransactionManager, Target);

+   DestFile.clear();

 }
                                                                        /*}}}*/
 void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Hashes,  /*{{{*/
 }
                                                                        /*}}}*/
 void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Hashes,  /*{{{*/


@@ -2186,7 +2337,8 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
 
    Item::Done(Message, Hashes, Cnf);
 
 
    Item::Done(Message, Hashes, Cnf);
 

-   string const FinalFile = GetPartialFileNameFromURI(Target.URI);
+   std::string const UncompressedFinalFile = GetPartialFileNameFromURI(Target.URI);
+   std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);

    if (State == StateFetchDiff)
    {
       Rename(DestFile, GetMergeDiffsPatchFileName(FinalFile, patch.file));
    if (State == StateFetchDiff)
    {
       Rename(DestFile, GetMergeDiffsPatchFileName(FinalFile, patch.file));


@@ -2205,10 +2357,9 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
       // this is the last completed diff, so we are ready to apply now
       State = StateApplyDiff;
 
       // this is the last completed diff, so we are ready to apply now
       State = StateApplyDiff;
 

-      // patching needs to be bootstrapped with the 'old' version
-      if (symlink(GetFinalFilename().c_str(), FinalFile.c_str()) != 0)
+      if (BootstrapPDiffWith(UncompressedFinalFile, GetFinalFilename(), Target) == false)

       {
       {

-        Failed("Link creation of " + FinalFile + " to " + GetFinalFilename() + " failed", NULL);
+        Failed("Bootstrapping of " + DestFile + " failed", NULL);

         return;
       }
 
         return;
       }
 


@@ -2225,7 +2376,7 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
    else if (State == StateApplyDiff)
    {
       // move the result into place
    else if (State == StateApplyDiff)
    {
       // move the result into place

-      std::string const Final = GetFinalFilename();
+      std::string const Final = GetKeepCompressedFileName(GetFinalFilename(), Target);

       if(Debug)
         std::clog << "Queue patched file in place: " << std::endl
                   << DestFile << " -> " << Final << std::endl;
       if(Debug)
         std::clog << "Queue patched file in place: " << std::endl
                   << DestFile << " -> " << Final << std::endl;


@@ -2237,7 +2388,7 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
       for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
            I != allPatches->end(); ++I)
       {
       for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
            I != allPatches->end(); ++I)
       {

-        std::string const PartialFile = GetPartialFileNameFromURI(Target.URI);
+        std::string const PartialFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);

         std::string const patch = GetMergeDiffsPatchFileName(PartialFile, (*I)->patch.file);
         unlink(patch.c_str());
       }
         std::string const patch = GetMergeDiffsPatchFileName(PartialFile, (*I)->patch.file);
         unlink(patch.c_str());
       }


@@ -2272,12 +2423,11 @@ pkgAcqIndexMergeDiffs::~pkgAcqIndexMergeDiffs() {}
 
 // AcqIndex::AcqIndex - Constructor                                    /*{{{*/
 pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
 
 // AcqIndex::AcqIndex - Constructor                                    /*{{{*/
 pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,

-                         pkgAcqMetaBase * const TransactionManager,
-                         IndexTarget const Target)
-   : pkgAcqBaseIndex(Owner, TransactionManager, Target)
+                         pkgAcqMetaClearSig * const TransactionManager,
+                         IndexTarget const &Target)
+   : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD),
+   CompressionExtensions(Target.Option(IndexTarget::COMPRESSIONTYPES))

 {
 {

-   // autoselect the compression method
-   AutoSelectCompression();

    Init(Target.URI, Target.Description, Target.ShortDesc);
 
    if(_config->FindB("Debug::Acquire::Transaction", false) == true)
    Init(Target.URI, Target.Description, Target.ShortDesc);
 
    if(_config->FindB("Debug::Acquire::Transaction", false) == true)


@@ -2285,31 +2435,6 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
                 << TransactionManager << std::endl;
 }
                                                                        /*}}}*/
                 << TransactionManager << std::endl;
 }
                                                                        /*}}}*/

-// AcqIndex::AutoSelectCompression - Select compression                        /*{{{*/
-void pkgAcqIndex::AutoSelectCompression()
-{
-   std::vector<std::string> types = APT::Configuration::getCompressionTypes();
-   CompressionExtensions = "";
-   if (TransactionManager->MetaIndexParser != NULL && TransactionManager->MetaIndexParser->Exists(Target.MetaKey))
-   {
-      for (std::vector<std::string>::const_iterator t = types.begin();
-           t != types.end(); ++t)
-      {
-         std::string CompressedMetaKey = string(Target.MetaKey).append(".").append(*t);
-         if (*t == "uncompressed" ||
-             TransactionManager->MetaIndexParser->Exists(CompressedMetaKey) == true)
-            CompressionExtensions.append(*t).append(" ");
-      }
-   }
-   else
-   {
-      for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
-        CompressionExtensions.append(*t).append(" ");
-   }
-   if (CompressionExtensions.empty() == false)
-      CompressionExtensions.erase(CompressionExtensions.end()-1);
-}
-                                                                       /*}}}*/

 // AcqIndex::Init - defered Constructor                                        /*{{{*/
 void pkgAcqIndex::Init(string const &URI, string const &URIDesc,
                        string const &ShortDesc)
 // AcqIndex::Init - defered Constructor                                        /*{{{*/
 void pkgAcqIndex::Init(string const &URI, string const &URIDesc,
                        string const &ShortDesc)


@@ -2427,7 +2552,7 @@ void pkgAcqIndex::ReverifyAfterIMS()
 {
    // update destfile to *not* include the compression extension when doing
    // a reverify (as its uncompressed on disk already)
 {
    // update destfile to *not* include the compression extension when doing
    // a reverify (as its uncompressed on disk already)

-   DestFile = GetCompressedFileName(Target.URI, GetPartialFileNameFromURI(Target.URI), CurrentCompressionExtension);
+   DestFile = GetCompressedFileName(Target, GetPartialFileNameFromURI(Target.URI), CurrentCompressionExtension);

 
    // copy FinalFile into partial/ so that we check the hash again
    string FinalFile = GetFinalFilename();
 
    // copy FinalFile into partial/ so that we check the hash again
    string FinalFile = GetFinalFilename();


@@ -2467,7 +2592,7 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const
    Complete = true;
 
    // Handle the unzipd case
    Complete = true;
 
    // Handle the unzipd case

-   string FileName = LookupTag(Message,"Alt-Filename");
+   std::string FileName = LookupTag(Message,"Alt-Filename");

    if (FileName.empty() == false)
    {
       Stage = STAGE_DECOMPRESS_AND_VERIFY;
    if (FileName.empty() == false)
    {
       Stage = STAGE_DECOMPRESS_AND_VERIFY;


@@ -2478,13 +2603,7 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const
       SetActiveSubprocess("copy");
       return;
    }
       SetActiveSubprocess("copy");
       return;
    }

-

    FileName = LookupTag(Message,"Filename");
    FileName = LookupTag(Message,"Filename");

-   if (FileName.empty() == true)
-   {
-      Status = StatError;
-      ErrorText = "Method gave a blank filename";
-   }

 
    // Methods like e.g. "file:" will give us a (compressed) FileName that is
    // not the "DestFile" we set, in this case we uncompress from the local file
 
    // Methods like e.g. "file:" will give us a (compressed) FileName that is
    // not the "DestFile" we set, in this case we uncompress from the local file


@@ -2503,8 +2622,8 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const
       return;
    }
 
       return;
    }
 

-   // If we have compressed indexes enabled, queue for hash verification
-   if (_config->FindB("Acquire::GzipIndexes",false))
+   // If we want compressed indexes, just copy in place for hash verification
+   if (Target.KeepCompressed == true)

    {
       DestFile = GetPartialFileNameFromURI(Target.URI + '.' + CurrentCompressionExtension);
       EraseFileName = "";
    {
       DestFile = GetPartialFileNameFromURI(Target.URI + '.' + CurrentCompressionExtension);
       EraseFileName = "";


@@ -2555,7 +2674,7 @@ pkgAcqIndex::~pkgAcqIndex() {}
 pkgAcqArchive::pkgAcqArchive(pkgAcquire * const Owner,pkgSourceList * const Sources,
                             pkgRecords * const Recs,pkgCache::VerIterator const &Version,
                             string &StoreFilename) :
 pkgAcqArchive::pkgAcqArchive(pkgAcquire * const Owner,pkgSourceList * const Sources,
                             pkgRecords * const Recs,pkgCache::VerIterator const &Version,
                             string &StoreFilename) :

-               Item(Owner), LocalSource(false), Version(Version), Sources(Sources), Recs(Recs),
+               Item(Owner), d(NULL), LocalSource(false), Version(Version), Sources(Sources), Recs(Recs),

                StoreFilename(StoreFilename), Vf(Version.FileList()),
               Trusted(false)
 {
                StoreFilename(StoreFilename), Vf(Version.FileList()),
               Trusted(false)
 {


@@ -2758,15 +2877,7 @@ void pkgAcqArchive::Done(string const &Message, HashStringList const &Hashes,
    Item::Done(Message, Hashes, Cfg);
 
    // Grab the output filename
    Item::Done(Message, Hashes, Cfg);
 
    // Grab the output filename

-   string FileName = LookupTag(Message,"Filename");
-   if (FileName.empty() == true)
-   {
-      Status = StatError;
-      ErrorText = "Method gave a blank filename";
-      return;
-   }
-
-   // Reference filename
+   std::string const FileName = LookupTag(Message,"Filename");

    if (DestFile !=  FileName && RealFileExists(DestFile) == false)
    {
       StoreFilename = DestFile = FileName;
    if (DestFile !=  FileName && RealFileExists(DestFile) == false)
    {
       StoreFilename = DestFile = FileName;


@@ -2888,7 +2999,8 @@ void pkgAcqChangelog::Init(std::string const &DestDir, std::string const &DestFi
 
    if (DestDir.empty())
    {
 
    if (DestDir.empty())
    {

-      std::string const systemTemp = GetTempDir();
+      std::string const SandboxUser = _config->Find("APT::Sandbox::User");
+      std::string const systemTemp = GetTempDir(SandboxUser);

       char tmpname[100];
       snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str());
       if (NULL == mkdtemp(tmpname))
       char tmpname[100];
       snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str());
       if (NULL == mkdtemp(tmpname))


@@ -2898,6 +3010,9 @@ void pkgAcqChangelog::Init(std::string const &DestDir, std::string const &DestFi
         return;
       }
       DestFile = TemporaryDirectory = tmpname;
         return;
       }
       DestFile = TemporaryDirectory = tmpname;

+
+      ChangeOwnerAndPermissionOfFile("Item::QueueURI", DestFile.c_str(),
+                                     SandboxUser.c_str(), "root", 0700);

    }
    else
       DestFile = DestDir;
    }
    else
       DestFile = DestDir;


@@ -3048,7 +3163,7 @@ pkgAcqFile::pkgAcqFile(pkgAcquire * const Owner,string const &URI, HashStringLis
                       unsigned long long const Size,string const &Dsc,string const &ShortDesc,
                       const string &DestDir, const string &DestFilename,
                        bool const IsIndexFile) :
                       unsigned long long const Size,string const &Dsc,string const &ShortDesc,
                       const string &DestDir, const string &DestFilename,
                        bool const IsIndexFile) :

-                       Item(Owner), IsIndexFile(IsIndexFile), ExpectedHashes(Hashes)
+                       Item(Owner), d(NULL), IsIndexFile(IsIndexFile), ExpectedHashes(Hashes)

 {
    Retries = _config->FindI("Acquire::Retries",0);
 
 {
    Retries = _config->FindI("Acquire::Retries",0);
 


@@ -3088,14 +3203,7 @@ void pkgAcqFile::Done(string const &Message,HashStringList const &CalcHashes,
 {
    Item::Done(Message,CalcHashes,Cnf);
 
 {
    Item::Done(Message,CalcHashes,Cnf);
 

-   string FileName = LookupTag(Message,"Filename");
-   if (FileName.empty() == true)
-   {
-      Status = StatError;
-      ErrorText = "Method gave a blank filename";
-      return;
-   }
-
+   std::string const FileName = LookupTag(Message,"Filename");

    Complete = true;
 
    // The files timestamp matches
    Complete = true;
 
    // The files timestamp matches