* apt-pkg/cdrom.cc:

[apt.git] / apt-pkg / cdrom.cc

diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
index 699f66fb3fa1618be373b036a9f2850c7625f8c8..8e746ee3013f16ad9ae4b02b521f3cc4f3368ccb 100644 (file)
--- a/apt-pkg/cdrom.cc
+++ b/apt-pkg/cdrom.cc
@@ -363,6 +363,7 @@ void pkgCdrom::ReduceSourcelist(string CD,vector<string> &List)
 
       string Word1 = string(*I,Space,SSpace-Space);
       string Prefix = string(*I,0,Space);
+      string Component = string(*I,SSpace);
       for (vector<string>::iterator J = List.begin(); J != I; ++J)
       {
         // Find a space..
@@ -377,9 +378,11 @@ void pkgCdrom::ReduceSourcelist(string CD,vector<string> &List)
            continue;
         if (string(*J,Space2,SSpace2-Space2) != Word1)
            continue;
-        
-        *J += string(*I,SSpace);
-        *I = string();
+
+        string Component2 = string(*J, SSpace2) + " ";
+        if (Component2.find(Component + " ") == std::string::npos)
+           *J += Component;
+        I->clear();
       }
    }