X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/ef1dff93202fa61e0b8cda761906bbca31e217bc..7efded877fcf46f51b464fe4c5e053f26609f9d0:/apt-pkg/indexcopy.cc

diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc
index 22ee29697..0142d7dbe 100644
--- a/apt-pkg/indexcopy.cc
+++ b/apt-pkg/indexcopy.cc
@@ -522,6 +522,15 @@ bool SigVerify::Verify(string prefix, string file, indexRecords *MetaIndex)
 {
    const indexRecords::checkSum *Record = MetaIndex->Lookup(file);
 
+   // 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)
+   if(!FileExists(prefix+file))
+   {
+      _error->Warning("Skipping non-exisiting file %s", string(prefix+file).c_str());
+      return true;
+   }
+
    if (!Record) 
    {
       _error->Warning("Can't find authentication record for: %s",file.c_str());
@@ -583,7 +592,10 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
 
       // a Release.gpg without a Release should never happen
       if(!FileExists(*I+"Release"))
+      {
+	 delete MetaIndex;
 	 continue;
+      }
 
 
       // verify the gpg signature of "Release"
@@ -651,6 +663,7 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
 	 if(!Verify(prefix,*I, MetaIndex)) {
 	    // something went wrong, don't copy the Release.gpg
 	    // FIXME: delete any existing gpg file?
+	    _error->Discard();
 	    continue;	 
 	 }
       }