helps to determine which of the branches is really used.
Look at apt-0.5.4cnc9-alt-getsrc.patch for more info.

imz@altlinux.ru, 28 Sep 2002.

--- apt-0.5.4cnc9/cmdline/apt-get.cc.getsrc	2002-10-28 22:41:04 +0300
+++ apt-0.5.4cnc9/cmdline/apt-get.cc	2002-10-28 23:44:30 +0300
@@ -1184,6 +1184,9 @@
    }
    
    // No source package name..
+   // use the "matching against Binaries()" Find()'s feature.
+   // DEBUG:
+   printf("Src1 %s\n",Src.c_str());
    if (Src.empty() == true)
       Src = TmpSrc;