add a testcase for FindPackages() to better validate that cdrom should work.

Unfortunately it's hard to do an automated integration test with cd, so we
test this method in isolation which tries to find Indexes and dropping
of duplications with DropRepeats()

1 files changed, 15 insertions, 8 deletions

diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
index d9ecdf4f6..4462d4e24 100644
--- a/apt-pkg/cdrom.cc
+++ b/apt-pkg/cdrom.cc
@@ -277,6 +277,7 @@ bool pkgCdrom::DropBinaryArch(vector<string> &List)
 /* Here we go and stat every file that we found and strip dup inodes. */
 bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
 {
+   bool couldFindAllFiles = true;
    // Get a list of all the inodes
    ino_t *Inodes = new ino_t[List.size()];
    for (unsigned int I = 0; I != List.size(); ++I)
@@ -297,21 +298,22 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
       }
 
       if (found == false)
-         _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), Name);
+      {
+	 _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), Name);
+	 couldFindAllFiles = false;
+	 Inodes[I] = 0;
+      }
    }
 
-   if (_error->PendingError() == true) {
-      delete[] Inodes;
-      return false;
-   }
-   
    // Look for dups
    for (unsigned int I = 0; I != List.size(); I++)
    {
+      if (Inodes[I] == 0)
+	 continue;
       for (unsigned int J = I+1; J < List.size(); J++)
       {
 	 // No match
-	 if (Inodes[J] != Inodes[I])
+	 if (Inodes[J] == 0 || Inodes[J] != Inodes[I])
 	    continue;
 	 
 	 // We score the two paths.. and erase one
@@ -337,7 +339,7 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
 	 List.erase(List.begin()+I);
    }
    
-   return true;
+   return couldFindAllFiles;
 }
 									/*}}}*/
 // ReduceSourceList - Takes the path list and reduces it		/*{{{*/
@@ -716,8 +718,13 @@ bool pkgCdrom::Add(pkgCdromStatus *log)					/*{{{*/
    DropBinaryArch(List);
    DropRepeats(List,"Packages");
    DropRepeats(SourceList,"Sources");
+   // FIXME: We ignore stat() errors here as we usually have only one of those in use
+   // This has little potencial to drop 'valid' stat() errors as we know that one of these
+   // files need to exist, but it would be better if we would check it here
+   _error->PushToStack();
    DropRepeats(SigList,"Release.gpg");
    DropRepeats(SigList,"InRelease");
+   _error->RevertToStack();
    DropRepeats(TransList,"");
    if(log != NULL) {
       msg.str("");