add Dir::Media::MountPath config option

apt-pkg/init.cc

@@ -65,11 +65,12 @@ bool pkgInitConfig(Configuration &Cnf)
    Cnf.Set("Dir::Etc::vendorlist","vendors.list");
    Cnf.Set("Dir::Etc::vendorparts","vendors.list.d");
    Cnf.Set("Dir::Etc::main","apt.conf");
-   Cnf.Set("Dir::ETc::netrc", "auth.conf");
+   Cnf.Set("Dir::Etc::netrc", "auth.conf");
    Cnf.Set("Dir::Etc::parts","apt.conf.d");
    Cnf.Set("Dir::Etc::preferences","preferences");
    Cnf.Set("Dir::Etc::preferencesparts","preferences.d");
    Cnf.Set("Dir::Bin::methods","/usr/lib/apt/methods");
+   Cnf.Set("Dir::Media::MountPath","/media/apt");
 
    // State   
    Cnf.Set("Dir::Log","var/log/apt");

cmdline/apt-cdrom.cc

@@ -120,11 +120,11 @@ bool AutoDetectCdrom(pkgUdevCdromDevices &UdevCdroms, unsigned int &i)
       _config->Set("Acquire::cdrom::mount", v[i].MountPath);
       _config->Set("APT::CDROM::NoMount", true);
    } else {
-      const char* AptMountPoint = "/media/apt";
+      string AptMountPoint = _config->FindDir("Dir::Media::MountPath");
       if (!FileExists(AptMountPoint))
-	 mkdir(AptMountPoint, 0750);
+	 mkdir(AptMountPoint.c_str(), 0750);
       if(MountCdrom(AptMountPoint, v[i].DeviceName) == false)
-	 _error->Warning(_("Failed to mount '%s' to '%s'"), v[i].DeviceName.c_str(), AptMountPoint);
+	 _error->Warning(_("Failed to mount '%s' to '%s'"), v[i].DeviceName.c_str(), AptMountPoint.c_str());
       _config->Set("Acquire::cdrom::mount", AptMountPoint);
       _config->Set("APT::CDROM::NoMount", true);
    }

doc/examples/configure-index

@@ -331,6 +331,13 @@ Dir "/"
 	Terminal "term.log";
 	History "history.log";
   };
+
+  // Media 
+  Media 
+  {
+	// Media AutoDetect mount path
+	MountPath "/media/apt";
+  };
 };
 
 // Things that effect the APT dselect method

methods/cdrom.cc

@@ -116,9 +116,9 @@ bool CDROMMethod::AutoDetectAndMount(URI Get, string &NewID)
       return false;
 
    // check if we have the mount point
-   const char* AptMountPoint = "/media/apt";
+   string AptMountPoint = _config->FindDir("Dir::Media::MountPath");
    if (!FileExists(AptMountPoint))
-      mkdir(AptMountPoint, 0750);
+      mkdir(AptMountPoint.c_str(), 0750);
 
    // now try mounting
    for (unsigned int i=0; i < v.size(); i++)