1 files changed, 23 insertions, 16 deletions

diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc
index e29e2819c..c0a085316 100644
--- a/apt-pkg/indexcopy.cc
+++ b/apt-pkg/indexcopy.cc
@@ -350,9 +350,6 @@ bool IndexCopy::ReconstructChop(unsigned long &Chop,string Dir,string File)
  */
 void IndexCopy::ConvertToSourceList(string CD,string &Path)
 {
-   char S[300];
-   snprintf(S,sizeof(S),"binary-%s",_config->Find("Apt::Architecture").c_str());
-   
    // Strip the cdrom base path
    Path = string(Path,CD.length());
    if (Path.empty() == true)
@@ -388,7 +385,13 @@ void IndexCopy::ConvertToSourceList(string CD,string &Path)
 	 return;
       string Binary = string(Path,Slash+1,BinSlash - Slash-1);
       
-      if (Binary != S && Binary != "source")
+      if (strncmp(Binary.c_str(), "binary-", strlen("binary-")) == 0)
+      {
+	 Binary.erase(0, strlen("binary-"));
+	 if (APT::Configuration::checkArchitecture(Binary) == false)
+	    continue;
+      }
+      else if (Binary != "source")
 	 continue;
 
       Path = Dist + ' ' + Comp;
@@ -494,17 +497,20 @@ bool SourceCopy::RewriteEntry(FILE *Target,string File)
 bool SigVerify::Verify(string prefix, string file, indexRecords *MetaIndex)
 {
    const indexRecords::checkSum *Record = MetaIndex->Lookup(file);
+   bool const Debug = _config->FindB("Debug::aptcdrom",false);
 
-   // we skip non-existing files in the verifcation to support a cdrom
-   // with no Packages file (just a Package.gz), see LP: #255545
-   // (non-existing files are not considered a error)
+   // we skip non-existing files in the verifcation of the Release file
+   // as non-existing files do not harm, but a warning scares people and
+   // makes it hard to strip unneeded files from an ISO like uncompressed
+   // indexes as it is done on the mirrors (see also LP: #255545 )
    if(!RealFileExists(prefix+file))
    {
-      _error->Warning(_("Skipping nonexistent file %s"), string(prefix+file).c_str());
+      if (Debug == true)
+	 cout << "Skipping nonexistent in " << prefix << " file " << file << std::endl;
       return true;
    }
 
-   if (!Record) 
+   if (!Record)
    {
       _error->Warning(_("Can't find authentication record for: %s"), file.c_str());
       return false;
@@ -516,7 +522,7 @@ bool SigVerify::Verify(string prefix, string file, indexRecords *MetaIndex)
       return false;
    }
 
-   if(_config->FindB("Debug::aptcdrom",false)) 
+   if(Debug == true)
    {
       cout << "File: " << prefix+file << endl;
       cout << "Expected Hash " << Record->Hash.toStr() << endl;
@@ -648,16 +654,12 @@ bool SigVerify::RunGPGV(std::string const &File, std::string const &FileGPG,
 {
    if (File == FileGPG)
    {
-      #define SIGMSG "-----BEGIN PGP SIGNED MESSAGE-----\n"
-      char buffer[sizeof(SIGMSG)];
       FILE* gpg = fopen(File.c_str(), "r");
       if (gpg == NULL)
 	 return _error->Errno("RunGPGV", _("Could not open file %s"), File.c_str());
-      char const * const test = fgets(buffer, sizeof(buffer), gpg);
       fclose(gpg);
-      if (test == NULL || strcmp(buffer, SIGMSG) != 0)
+      if (!StartsWithGPGClearTextSignature(File))
 	 return _error->Error(_("File %s doesn't start with a clearsigned message"), File.c_str());
-      #undef SIGMSG
    }
 
 
@@ -810,9 +812,14 @@ bool TranslationsCopy::CopyTranslations(string CDROM,string Name,	/*{{{*/
 	       (*I).c_str() + CDROM.length());
       string TargetF = _config->FindDir("Dir::State::lists") + "partial/";
       TargetF += URItoFileName(S);
+      FileFd Target;
       if (_config->FindB("APT::CDROM::NoAct",false) == true)
+      {
 	 TargetF = "/dev/null";
-      FileFd Target(TargetF,FileFd::WriteAtomic);
+	 Target.Open(TargetF,FileFd::WriteExists);
+      } else {
+	 Target.Open(TargetF,FileFd::WriteAtomic);
+      }
       FILE *TargetFl = fdopen(dup(Target.Fd()),"w");
       if (_error->PendingError() == true)
 	 return false;