make the TotalFiles more reliable in apt-get update

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

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 1185908f33a239c9bb63e8902ebc68b9adfc0e7e..6f6b3d59f276a5a90d19e171c356fa7165b6c680 100644 (file)
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -22,12 +22,21 @@
 #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/md5.h>

 #include <apt-pkg/sha1.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/indexrecords.h>
 #include <apt-pkg/sha1.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/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgrecords.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <iostream>
+#include <vector>

 #include <sys/stat.h>
 #include <unistd.h>
 #include <errno.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <errno.h>


@@ -46,7 +55,8 @@ using namespace std;
 /* */
 pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0),
                        PartialSize(0), Mode(0), ID(0), Complete(false), 
 /* */
 pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0),
                        PartialSize(0), Mode(0), ID(0), Complete(false), 

-                       Local(false), QueueCounter(0)
+                       Local(false), QueueCounter(0), 
+                       ExpectedAdditionalItems(0)

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


@@ -108,8 +118,8 @@ void pkgAcquire::Item::Start(string /*Message*/,unsigned long long Size)
 // Acquire::Item::Done - Item downloaded OK                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // Acquire::Item::Done - Item downloaded OK                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-void pkgAcquire::Item::Done(string Message,unsigned long long Size,string Hash,
-                           pkgAcquire::MethodConfig *Cnf)
+void pkgAcquire::Item::Done(string Message,unsigned long long Size,string /*Hash*/,
+                           pkgAcquire::MethodConfig * /*Cnf*/)

 {
    // We just downloaded something..
    string FileName = LookupTag(Message,"Filename");
 {
    // We just downloaded something..
    string FileName = LookupTag(Message,"Filename");


@@ -129,7 +139,7 @@ void pkgAcquire::Item::Done(string Message,unsigned long long Size,string Hash,
                                                                        /*}}}*/
 // Acquire::Item::Rename - Rename a file                               /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // Acquire::Item::Rename - Rename a file                               /*{{{*/
 // ---------------------------------------------------------------------

-/* This helper function is used by alot of item methods as thier final
+/* This helper function is used by a lot of item methods as their final

    step */
 void pkgAcquire::Item::Rename(string From,string To)
 {
    step */
 void pkgAcquire::Item::Rename(string From,string To)
 {


@@ -253,10 +263,10 @@ string pkgAcqSubIndex::Custom600Headers()
    return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
                                                                        /*}}}*/
    return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
                                                                        /*}}}*/

-void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)      /*{{{*/
+void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/

 {
    if(Debug)
 {
    if(Debug)

-      std::clog << "pkgAcqSubIndex failed: " << Desc.URI << std::endl;
+      std::clog << "pkgAcqSubIndex failed: " << Desc.URI << " with " << Message << std::endl;

 
    Complete = false;
    Status = StatDone;
 
    Complete = false;
    Status = StatDone;


@@ -299,7 +309,7 @@ void pkgAcqSubIndex::Done(string Message,unsigned long long Size,string Md5Hash,
       return;
    }
 
       return;
    }
 

-   // sucess in downloading the index
+   // success in downloading the index

    // rename the index
    if(Debug)
       std::clog << "Renaming: " << DestFile << " -> " << FinalFile << std::endl;
    // rename the index
    if(Debug)
       std::clog << "Renaming: " << DestFile << " -> " << FinalFile << std::endl;


@@ -327,7 +337,7 @@ bool pkgAcqSubIndex::ParseIndex(string const &IndexFile)            /*{{{*/
                                                                        /*}}}*/
 // AcqDiffIndex::AcqDiffIndex - Constructor                            /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // AcqDiffIndex::AcqDiffIndex - Constructor                            /*{{{*/
 // ---------------------------------------------------------------------

-/* Get the DiffIndex file first and see if there are patches availabe 
+/* Get the DiffIndex file first and see if there are patches available

  * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the
  * patches. If anything goes wrong in that process, it will fall back to
  * the original packages file
  * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the
  * patches. If anything goes wrong in that process, it will fall back to
  * the original packages file


@@ -544,11 +554,11 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)                /*{{{*/
    return false;
 }
                                                                        /*}}}*/
    return false;
 }
                                                                        /*}}}*/

-void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)     /*{{{*/
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/

 {
    if(Debug)
 {
    if(Debug)

-      std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
-               << "Falling back to normal index file aquire" << std::endl;
+      std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << " with " << Message << std::endl
+               << "Falling back to normal index file acquire" << std::endl;

 
    new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc, 
                   ExpectedHash);
 
    new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc, 
                   ExpectedHash);


@@ -569,7 +579,7 @@ void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,string Md5Hash
    string FinalFile;
    FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
 
    string FinalFile;
    FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
 

-   // sucess in downloading the index
+   // success in downloading the index

    // rename the index
    FinalFile += string(".IndexDiff");
    if(Debug)
    // rename the index
    FinalFile += string(".IndexDiff");
    if(Debug)


@@ -624,11 +634,11 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
    }
 }
                                                                        /*}}}*/
    }
 }
                                                                        /*}}}*/

-void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)    /*{{{*/
+void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/

 {
    if(Debug)
 {
    if(Debug)

-      std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
-               << "Falling back to normal index file aquire" << std::endl;
+      std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl
+               << "Falling back to normal index file acquire" << std::endl;

    new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, 
                   ExpectedHash);
    Finish();
    new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, 
                   ExpectedHash);
    Finish();


@@ -709,7 +719,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff()                                      /*{{{*/
    }
 
    // queue the right diff
    }
 
    // queue the right diff

-   Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
+   Desc.URI = RealURI + ".diff/" + available_patches[0].file + ".gz";

    Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
    Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);


@@ -733,7 +743,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size,string Md5Has
    string FinalFile;
    FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
 
    string FinalFile;
    FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
 

-   // sucess in downloading a diff, enter ApplyDiff state
+   // success in downloading a diff, enter ApplyDiff state

    if(State == StateFetchDiff)
    {
 
    if(State == StateFetchDiff)
    {
 


@@ -757,6 +767,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size,string Md5Has
    {
       // remove the just applied patch
       available_patches.erase(available_patches.begin());
    {
       // remove the just applied patch
       available_patches.erase(available_patches.begin());

+      unlink((FinalFile + ".ed").c_str());

 
       // move into place
       if(Debug) 
 
       // move into place
       if(Debug) 


@@ -796,7 +807,7 @@ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *Owner,
    Desc.Owner = this;
    Desc.ShortDesc = ShortDesc;
 
    Desc.Owner = this;
    Desc.ShortDesc = ShortDesc;
 

-   Desc.URI = string(RealURI) + ".diff/" + patch.file + ".gz";
+   Desc.URI = RealURI + ".diff/" + patch.file + ".gz";

    Desc.Description = Description + " " + patch.file + string(".pdiff");
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + patch.file);
    Desc.Description = Description + " " + patch.file + string(".pdiff");
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + patch.file);


@@ -807,7 +818,7 @@ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *Owner,
    QueueURI(Desc);
 }
                                                                        /*}}}*/
    QueueURI(Desc);
 }
                                                                        /*}}}*/

-void pkgAcqIndexMergeDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
+void pkgAcqIndexMergeDiffs::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/

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


@@ -824,7 +835,7 @@ void pkgAcqIndexMergeDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 
    // first failure means we should fallback
    State = StateErrorDiff;
 
    // first failure means we should fallback
    State = StateErrorDiff;

-   std::clog << "Falling back to normal index file aquire" << std::endl;
+   std::clog << "Falling back to normal index file acquire" << std::endl;

    new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
                   ExpectedHash);
 }
    new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
                   ExpectedHash);
 }


@@ -887,6 +898,14 @@ void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,string M
       // otherwise lists cleanup will eat the file
       DestFile = FinalFile;
 
       // otherwise lists cleanup will eat the file
       DestFile = FinalFile;
 

+      // ensure the ed's are gone regardless of list-cleanup
+      for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
+           I != allPatches->end(); ++I)
+      {
+           std::string patch = FinalFile + ".ed." + (*I)->patch.file + ".gz";
+           unlink(patch.c_str());
+      }
+

       // all set and done
       Complete = true;
       if(Debug)
       // all set and done
       Complete = true;
       if(Debug)


@@ -1231,7 +1250,7 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,                           /*{{{*/
    if (RealFileExists(Final) == true)
    {
       // File was already in place.  It needs to be re-downloaded/verified
    if (RealFileExists(Final) == true)
    {
       // File was already in place.  It needs to be re-downloaded/verified

-      // because Release might have changed, we do give it a differnt
+      // because Release might have changed, we do give it a different

       // name than DestFile because otherwise the http method will
       // send If-Range requests and there are too many broken servers
       // out there that do not understand them
       // name than DestFile because otherwise the http method will
       // send If-Range requests and there are too many broken servers
       // out there that do not understand them


@@ -1239,6 +1258,9 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,                           /*{{{*/
       Rename(Final,LastGoodSig);
    }
 
       Rename(Final,LastGoodSig);
    }
 

+   // we expect the indextargets + one additional Release file
+   ExpectedAdditionalItems = IndexTargets->size() + 1;
+

    QueueURI(Desc);
 }
                                                                        /*}}}*/
    QueueURI(Desc);
 }
                                                                        /*}}}*/


@@ -1291,6 +1313,9 @@ void pkgAcqMetaSig::Done(string Message,unsigned long long Size,string MD5,
 
    Complete = true;
 
 
    Complete = true;
 

+   // at this point pkgAcqMetaIndex takes over
+   ExpectedAdditionalItems = 0;
+

    // put the last known good file back on i-m-s hit (it will
    // be re-verified again)
    // Else do nothing, we have the new file in DestFile then
    // put the last known good file back on i-m-s hit (it will
    // be re-verified again)
    // Else do nothing, we have the new file in DestFile then


@@ -1308,6 +1333,9 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
 {
    string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
 
 {
    string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
 

+   // at this point pkgAcqMetaIndex takes over
+   ExpectedAdditionalItems = 0;
+

    // if we get a network error we fail gracefully
    if(Status == StatTransientNetworkError)
    {
    // if we get a network error we fail gracefully
    if(Status == StatTransientNetworkError)
    {


@@ -1358,6 +1386,9 @@ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner,                       /*{{{*/
    Desc.ShortDesc = ShortDesc;
    Desc.URI = URI;
 
    Desc.ShortDesc = ShortDesc;
    Desc.URI = URI;
 

+   // we expect more item
+   ExpectedAdditionalItems = IndexTargets->size();
+

    QueueURI(Desc);
 }
                                                                        /*}}}*/
    QueueURI(Desc);
 }
                                                                        /*}}}*/


@@ -1536,6 +1567,9 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)                           /*{{{*/
         }
    }
 
         }
    }
 

+   // at this point the real Items are loaded in the fetcher
+   ExpectedAdditionalItems = 0;
+

    for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
         Target != IndexTargets->end();
         ++Target)
    for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
         Target != IndexTargets->end();
         ++Target)


@@ -1549,7 +1583,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)                           /*{{{*/
         {
            std::vector<std::string> types = APT::Configuration::getCompressionTypes();
            for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
         {
            std::vector<std::string> types = APT::Configuration::getCompressionTypes();
            for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)

-              if (MetaIndexParser->Exists(string((*Target)->MetaKey).append(".").append(*t)) == true)
+              if (MetaIndexParser->Exists((*Target)->MetaKey + "." + *t) == true)

               {
                  compressedAvailable = true;
                  break;
               {
                  compressedAvailable = true;
                  break;


@@ -1587,7 +1621,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)                           /*{{{*/
         else if (transInRelease == false || Record != NULL || compressedAvailable == true)
         {
            if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true &&
         else if (transInRelease == false || Record != NULL || compressedAvailable == true)
         {
            if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true &&

-               MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true)
+               MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true)

               new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
                                   (*Target)->ShortDesc, ExpectedIndexHash);
            else
               new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
                                   (*Target)->ShortDesc, ExpectedIndexHash);
            else


@@ -1601,7 +1635,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)                           /*{{{*/
          in the Meta-Index file. Ideal would be if pkgAcqDiffIndex would test this
          instead, but passing the required info to it is to much hassle */
       if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false ||
          in the Meta-Index file. Ideal would be if pkgAcqDiffIndex would test this
          instead, but passing the required info to it is to much hassle */
       if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false ||

-         MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true))
+         MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true))

         new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
                             (*Target)->ShortDesc, ExpectedIndexHash);
       else
         new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
                             (*Target)->ShortDesc, ExpectedIndexHash);
       else


@@ -1626,7 +1660,7 @@ bool pkgAcqMetaIndex::VerifyVendor(string Message)                        /*{{{*/
       missingkeys += (Fingerprint);
    }
    if(!missingkeys.empty())
       missingkeys += (Fingerprint);
    }
    if(!missingkeys.empty())

-      _error->Warning("%s", string(msg+missingkeys).c_str());
+      _error->Warning("%s", (msg + missingkeys).c_str());

 
    string Transformed = MetaIndexParser->GetExpectedDist();
 
 
    string Transformed = MetaIndexParser->GetExpectedDist();
 


@@ -1689,7 +1723,7 @@ bool pkgAcqMetaIndex::VerifyVendor(string Message)                        /*{{{*/
 // pkgAcqMetaIndex::Failed - no Release file present or no signature file present      /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // pkgAcqMetaIndex::Failed - no Release file present or no signature file present      /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)

 {
    if (AuthPass == true)
    {
 {
    if (AuthPass == true)
    {


@@ -1766,6 +1800,10 @@ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner,                /*{{{*/
 {
    SigFile = DestFile;
 
 {
    SigFile = DestFile;
 

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

    // keep the old InRelease around in case of transistent network errors
    string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
    if (RealFileExists(Final) == true)
    // keep the old InRelease around in case of transistent network errors
    string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
    if (RealFileExists(Final) == true)


@@ -1808,6 +1846,9 @@ string pkgAcqMetaClearSig::Custom600Headers()
                                                                        /*}}}*/
 void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
 {
                                                                        /*}}}*/
 void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
 {

+   // we failed, we will not get additional items from this method
+   ExpectedAdditionalItems = 0;
+

    if (AuthPass == false)
    {
       // Remove the 'old' InRelease file if we try Release.gpg now as otherwise
    if (AuthPass == false)
    {
       // Remove the 'old' InRelease file if we try Release.gpg now as otherwise


@@ -1847,7 +1888,7 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources,
       _error->Error(_("I wasn't able to locate a file for the %s package. "
                      "This might mean you need to manually fix this package. "
                      "(due to missing arch)"),
       _error->Error(_("I wasn't able to locate a file for the %s package. "
                      "This might mean you need to manually fix this package. "
                      "(due to missing arch)"),

-                   Version.ParentPkg().Name());
+                   Version.ParentPkg().FullName().c_str());

       return;
    }
    
       return;
    }
    


@@ -1975,7 +2016,7 @@ bool pkgAcqArchive::QueueNext()
       Desc.URI = Index->ArchiveURI(PkgFile);
       Desc.Description = Index->ArchiveInfo(Version);
       Desc.Owner = this;
       Desc.URI = Index->ArchiveURI(PkgFile);
       Desc.Description = Index->ArchiveInfo(Version);
       Desc.Owner = this;

-      Desc.ShortDesc = Version.ParentPkg().Name();
+      Desc.ShortDesc = Version.ParentPkg().FullName(true);

 
       // See if we already have the file. (Legacy filenames)
       FileSize = Version->Size;
 
       // See if we already have the file. (Legacy filenames)
       FileSize = Version->Size;


@@ -2012,7 +2053,7 @@ bool pkgAcqArchive::QueueNext()
            return true;
         }
         
            return true;
         }
         

-        /* Hmm, we have a file and its size does not match, this shouldnt
+        /* Hmm, we have a file and its size does not match, this shouldn't

            happen.. */
         unlink(FinalFile.c_str());
       }
            happen.. */
         unlink(FinalFile.c_str());
       }


@@ -2042,10 +2083,6 @@ bool pkgAcqArchive::QueueNext()
 
       // Create the item
       Local = false;
 
       // Create the item
       Local = false;

-      Desc.URI = Index->ArchiveURI(PkgFile);
-      Desc.Description = Index->ArchiveInfo(Version);
-      Desc.Owner = this;
-      Desc.ShortDesc = Version.ParentPkg().Name();

       QueueURI(Desc);
 
       ++Vf;
       QueueURI(Desc);
 
       ++Vf;


@@ -2144,7 +2181,7 @@ void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
                                                                        /*}}}*/
 // AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/
 // ---------------------------------------------------------------------

-bool pkgAcqArchive::IsTrusted()
+APT_PURE bool pkgAcqArchive::IsTrusted()

 {
    return Trusted;
 }
 {
    return Trusted;
 }


@@ -2192,7 +2229,7 @@ pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash,
    if (stat(DestFile.c_str(),&Buf) == 0)
    {
       // Hmm, the partial file is too big, erase it
    if (stat(DestFile.c_str(),&Buf) == 0)
    {
       // Hmm, the partial file is too big, erase it

-      if ((unsigned long long)Buf.st_size > Size)
+      if ((Size > 0) && (unsigned long long)Buf.st_size > Size)

         unlink(DestFile.c_str());
       else
         PartialSize = Buf.st_size;
         unlink(DestFile.c_str());
       else
         PartialSize = Buf.st_size;