allow all dpkg selections to be set via apt-mark and libapt

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

diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc
index ebfb5289e8c52a5c571b65e10408166167fb9e6c..2100b5d3ccac5731ca7c7868cbe035c9eecf2c82 100644 (file)
--- a/apt-pkg/sourcelist.cc
+++ b/apt-pkg/sourcelist.cc
@@ -8,39 +8,55 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

+#include<config.h>
+

 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>

+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <ctype.h>
+#include <stddef.h>
+#include <time.h>
+#include <cstring>
+#include <map>
+#include <string>
+#include <vector>
+#include <fstream>
+#include <algorithm>

 
 #include <apti18n.h>
 
 #include <apti18n.h>

-
-#include <fstream>

                                                                        /*}}}*/
 
 using namespace std;
 
 // Global list of Items supported
                                                                        /*}}}*/
 
 using namespace std;
 
 // Global list of Items supported

-static  pkgSourceList::Type *ItmList[10];
+static pkgSourceList::Type *ItmList[10];

 pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList;
 unsigned long pkgSourceList::Type::GlobalListLen = 0;
 
 // Type::Type - Constructor                                            /*{{{*/
 // ---------------------------------------------------------------------
 /* Link this to the global list of items*/
 pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList;
 unsigned long pkgSourceList::Type::GlobalListLen = 0;
 
 // Type::Type - Constructor                                            /*{{{*/
 // ---------------------------------------------------------------------
 /* Link this to the global list of items*/

-pkgSourceList::Type::Type()
+pkgSourceList::Type::Type(char const * const pName, char const * const pLabel) : Name(pName), Label(pLabel)

 {
    ItmList[GlobalListLen] = this;
 {
    ItmList[GlobalListLen] = this;

-   GlobalListLen++;
+   ++GlobalListLen;

 }
 }

+pkgSourceList::Type::~Type() {}

                                                                        /*}}}*/
 // Type::GetType - Get a specific meta for a given type                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type)
 {
                                                                        /*}}}*/
 // Type::GetType - Get a specific meta for a given type                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type)
 {

-   for (unsigned I = 0; I != GlobalListLen; I++)
+   for (unsigned I = 0; I != GlobalListLen; ++I)

       if (strcmp(GlobalList[I]->Name,Type) == 0)
         return GlobalList[I];
    return 0;
       if (strcmp(GlobalList[I]->Name,Type) == 0)
         return GlobalList[I];
    return 0;


@@ -66,13 +82,110 @@ bool pkgSourceList::Type::FixupURI(string &URI) const
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

+bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List,       /*{{{*/
+                                      pkgTagSection &Tags,
+                                      unsigned int const i,
+                                      FileFd &Fd)
+{
+   map<string, string> Options;
+
+   string Enabled = Tags.FindS("Enabled");
+   if (Enabled.empty() == false && StringToBool(Enabled) == false)
+      return true;
+
+   std::map<char const * const, std::pair<char const * const, bool> > mapping;
+#define APT_PLUSMINUS(X, Y) \
+   mapping.insert(std::make_pair(X, std::make_pair(Y, true))); \
+   mapping.insert(std::make_pair(X "Add", std::make_pair(Y "+", true))); \
+   mapping.insert(std::make_pair(X "Remove", std::make_pair(Y "-", true)))
+   APT_PLUSMINUS("Architectures", "arch");
+   APT_PLUSMINUS("Languages", "lang");
+   APT_PLUSMINUS("Targets", "target");
+#undef APT_PLUSMINUS
+   mapping.insert(std::make_pair("Trusted", std::make_pair("trusted", false)));
+   mapping.insert(std::make_pair("Check-Valid-Until", std::make_pair("check-valid-until", false)));
+   mapping.insert(std::make_pair("Valid-Until-Min", std::make_pair("valid-until-min", false)));
+   mapping.insert(std::make_pair("Valid-Until-Max", std::make_pair("valid-until-max", false)));
+   mapping.insert(std::make_pair("Signed-By", std::make_pair("signed-by", false)));
+   mapping.insert(std::make_pair("PDiffs", std::make_pair("pdiffs", false)));
+   mapping.insert(std::make_pair("By-Hash", std::make_pair("by-hash", false)));
+
+   for (std::map<char const * const, std::pair<char const * const, bool> >::const_iterator m = mapping.begin(); m != mapping.end(); ++m)
+      if (Tags.Exists(m->first))
+      {
+        std::string option = Tags.FindS(m->first);
+        // for deb822 the " " is the delimiter, but the backend expects ","
+        if (m->second.second == true)
+           std::replace(option.begin(), option.end(), ' ', ',');
+        Options[m->second.first] = option;
+      }
+
+   {
+      std::string entry;
+      strprintf(entry, "%s:%i", Fd.Name().c_str(), i);
+      Options["sourceslist-entry"] = entry;
+   }
+
+   // now create one item per suite/section
+   string Suite = Tags.FindS("Suites");
+   Suite = SubstVar(Suite,"$(ARCH)",_config->Find("APT::Architecture"));
+   string const Component = Tags.FindS("Components");
+   string const URIS = Tags.FindS("URIs");
+
+   std::vector<std::string> const list_uris = VectorizeString(URIS, ' ');
+   std::vector<std::string> const list_suite = VectorizeString(Suite, ' ');
+   std::vector<std::string> const list_comp = VectorizeString(Component, ' ');
+
+   if (list_uris.empty())
+      // TRANSLATOR: %u is a line number, the first %s is a filename of a file with the extension "second %s" and the third %s is a unique identifier for bugreports
+      return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "URI");
+
+   for (std::vector<std::string>::const_iterator U = list_uris.begin();
+        U != list_uris.end(); ++U)
+   {
+      std::string URI = *U;
+      if (U->empty() || FixupURI(URI) == false)
+        return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "URI parse");
+
+      if (list_suite.empty())
+        return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "Suite");
+
+      for (std::vector<std::string>::const_iterator S = list_suite.begin();
+           S != list_suite.end(); ++S)
+      {
+        if (S->empty() == false && (*S)[S->size() - 1] == '/')
+        {
+           if (list_comp.empty() == false)
+              return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "absolute Suite Component");
+           if (CreateItem(List, URI, *S, "", Options) == false)
+              return false;
+        }
+        else
+        {
+           if (list_comp.empty())
+              return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "Component");
+
+           for (std::vector<std::string>::const_iterator C = list_comp.begin();
+                 C != list_comp.end(); ++C)
+           {
+              if (CreateItem(List, URI, *S, *C, Options) == false)
+              {
+                 return false;
+              }
+           }
+        }
+      }
+   }
+   return true;
+}
+                                                                       /*}}}*/

 // Type::ParseLine - Parse a single line                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This is a generic one that is the 'usual' format for sources.list
    Weird types may override this. */
 bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
                                    const char *Buffer,
 // Type::ParseLine - Parse a single line                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This is a generic one that is the 'usual' format for sources.list
    Weird types may override this. */
 bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
                                    const char *Buffer,

-                                   unsigned long const &CurLine,
+                                   unsigned int const CurLine,

                                    string const &File) const
 {
    for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces
                                    string const &File) const
 {
    for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces


@@ -80,6 +193,11 @@ bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
    // Parse option field if it exists
    // e.g.: [ option1=value1 option2=value2 ]
    map<string, string> Options;
    // Parse option field if it exists
    // e.g.: [ option1=value1 option2=value2 ]
    map<string, string> Options;

+   {
+      std::string entry;
+      strprintf(entry, "%s:%i", File.c_str(), CurLine);
+      Options["sourceslist-entry"] = entry;
+   }

    if (Buffer != 0 && Buffer[0] == '[')
    {
       ++Buffer; // ignore the [
    if (Buffer != 0 && Buffer[0] == '[')
    {
       ++Buffer; // ignore the [


@@ -89,10 +207,10 @@ bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
         // get one option, e.g. option1=value1
         string option;
         if (ParseQuoteWord(Buffer,option) == false)
         // get one option, e.g. option1=value1
         string option;
         if (ParseQuoteWord(Buffer,option) == false)

-           return _error->Error(_("Malformed line %lu in source list %s ([option] unparseable)"),CurLine,File.c_str());
+           return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] unparseable");

 
         if (option.length() < 3)
 
         if (option.length() < 3)

-           return _error->Error(_("Malformed line %lu in source list %s ([option] too short)"),CurLine,File.c_str());
+           return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] too short");

 
         // accept options even if the last has no space before the ]-end marker
         if (option.at(option.length()-1) == ']')
 
         // accept options even if the last has no space before the ]-end marker
         if (option.at(option.length()-1) == ']')


@@ -103,16 +221,16 @@ bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
 
         size_t const needle = option.find('=');
         if (needle == string::npos)
 
         size_t const needle = option.find('=');
         if (needle == string::npos)

-           return _error->Error(_("Malformed line %lu in source list %s ([%s] is not an assignment)"),CurLine,File.c_str(), option.c_str());
+           return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] not assignment");

 
         string const key = string(option, 0, needle);
         string const value = string(option, needle + 1, option.length());
 
         if (key.empty() == true)
 
         string const key = string(option, 0, needle);
         string const value = string(option, needle + 1, option.length());
 
         if (key.empty() == true)

-           return _error->Error(_("Malformed line %lu in source list %s ([%s] has no key)"),CurLine,File.c_str(), option.c_str());
+           return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] no key");

 
         if (value.empty() == true)
 
         if (value.empty() == true)

-           return _error->Error(_("Malformed line %lu in source list %s ([%s] key %s has no value)"),CurLine,File.c_str(),option.c_str(),key.c_str());
+           return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] no value");

 
         Options[key] = value;
       }
 
         Options[key] = value;
       }


@@ -125,47 +243,41 @@ bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
    string Section;
 
    if (ParseQuoteWord(Buffer,URI) == false)
    string Section;
 
    if (ParseQuoteWord(Buffer,URI) == false)

-      return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str());
+      return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "URI");

    if (ParseQuoteWord(Buffer,Dist) == false)
    if (ParseQuoteWord(Buffer,Dist) == false)

-      return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str());
-      
+      return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "Suite");
+

    if (FixupURI(URI) == false)
    if (FixupURI(URI) == false)

-      return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str());
-   
+      return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "URI parse");
+

    // Check for an absolute dists specification.
    if (Dist.empty() == false && Dist[Dist.size() - 1] == '/')
    {
       if (ParseQuoteWord(Buffer,Section) == true)
    // Check for an absolute dists specification.
    if (Dist.empty() == false && Dist[Dist.size() - 1] == '/')
    {
       if (ParseQuoteWord(Buffer,Section) == true)

-        return _error->Error(_("Malformed line %lu in source list %s (absolute dist)"),CurLine,File.c_str());
+        return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "absolute Suite Component");

       Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
       return CreateItem(List, URI, Dist, Section, Options);
    }
       Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
       return CreateItem(List, URI, Dist, Section, Options);
    }

-   
+

    // Grab the rest of the dists
    if (ParseQuoteWord(Buffer,Section) == false)
    // Grab the rest of the dists
    if (ParseQuoteWord(Buffer,Section) == false)

-      return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str());
-   
+      return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "Component");
+

    do
    {
       if (CreateItem(List, URI, Dist, Section, Options) == false)
         return false;
    }
    while (ParseQuoteWord(Buffer,Section) == true);
    do
    {
       if (CreateItem(List, URI, Dist, Section, Options) == false)
         return false;
    }
    while (ParseQuoteWord(Buffer,Section) == true);

-   
+

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-

 // SourceList::pkgSourceList - Constructors                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // SourceList::pkgSourceList - Constructors                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-pkgSourceList::pkgSourceList()
-{
-}
-
-pkgSourceList::pkgSourceList(string File)
+pkgSourceList::pkgSourceList() : d(NULL)

 {
 {

-   Read(File);

 }
                                                                        /*}}}*/
 // SourceList::~pkgSourceList - Destructor                             /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::~pkgSourceList - Destructor                             /*{{{*/


@@ -175,9 +287,12 @@ pkgSourceList::~pkgSourceList()
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;

+   SrcList.clear();
+   for (auto  F = VolatileFiles.begin(); F != VolatileFiles.end(); ++F)
+      delete (*F);
+   VolatileFiles.clear();

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-                                                                       /*}}}*/

 // SourceList::ReadMainList - Read the main source list from etc       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // SourceList::ReadMainList - Read the main source list from etc       /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -212,7 +327,6 @@ bool pkgSourceList::ReadMainList()
    return Res;
 }
                                                                        /*}}}*/
    return Res;
 }
                                                                        /*}}}*/

-// CNC:2003-03-03 - Needed to preserve backwards compatibility.

 // SourceList::Reset - Clear the sourcelist contents                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // SourceList::Reset - Clear the sourcelist contents                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -220,14 +334,13 @@ void pkgSourceList::Reset()
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;

-   SrcList.erase(SrcList.begin(),SrcList.end());
+   SrcList.clear();

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// CNC:2003-03-03 - Function moved to ReadAppend() and Reset().

 // SourceList::Read - Parse the sourcelist file                                /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // SourceList::Read - Parse the sourcelist file                                /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool pkgSourceList::Read(string File)
+bool pkgSourceList::Read(string const &File)

 {
    Reset();
    return ReadAppend(File);
 {
    Reset();
    return ReadAppend(File);


@@ -236,81 +349,130 @@ bool pkgSourceList::Read(string File)
 // SourceList::ReadAppend - Parse a sourcelist file                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // SourceList::ReadAppend - Parse a sourcelist file                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool pkgSourceList::ReadAppend(string File)
+bool pkgSourceList::ReadAppend(string const &File)
+{
+   if (flExtension(File) == "sources")
+      return ParseFileDeb822(File);
+   else
+      return ParseFileOldStyle(File);
+}
+                                                                       /*}}}*/
+// SourceList::ReadFileOldStyle - Read Traditional style sources.list  /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgSourceList::ParseFileOldStyle(std::string const &File)

 {
    // Open the stream for reading
    ifstream F(File.c_str(),ios::in /*| ios::nocreate*/);
 {
    // Open the stream for reading
    ifstream F(File.c_str(),ios::in /*| ios::nocreate*/);

-   if (!F != 0)
+   if (F.fail() == true)

       return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str());
       return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str());

-   
-#if 0 // Now Reset() does this.
-   for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
-      delete *I;
-   SrcList.erase(SrcList.begin(),SrcList.end());
-#endif
-   // CNC:2003-12-10 - 300 is too short.
-   char Buffer[1024];

 
 

-   int CurLine = 0;
-   while (F.eof() == false)
+   std::string Buffer;
+   for (unsigned int CurLine = 1; std::getline(F, Buffer); ++CurLine)

    {
    {

-      F.getline(Buffer,sizeof(Buffer));
-      CurLine++;
-      _strtabexpand(Buffer,sizeof(Buffer));
-      if (F.fail() && !F.eof())
-        return _error->Error(_("Line %u too long in source list %s."),
-                             CurLine,File.c_str());
-
-      
-      char *I;
-      // CNC:2003-02-20 - Do not break if '#' is inside [].
-      for (I = Buffer; *I != 0 && *I != '#'; I++)
-         if (*I == '[')
-           I = strchr(I + 1, ']');
-      *I = 0;
-      
-      const char *C = _strstrip(Buffer);
-      
-      // Comment or blank
-      if (C[0] == '#' || C[0] == 0)
+      // remove comments
+      size_t curpos = 0;
+      while ((curpos = Buffer.find('#', curpos)) != std::string::npos)
+      {
+        size_t const openbrackets = std::count(Buffer.begin(), Buffer.begin() + curpos, '[');
+        size_t const closedbrackets = std::count(Buffer.begin(), Buffer.begin() + curpos, ']');
+        if (openbrackets > closedbrackets)
+        {
+           // a # in an option, unlikely, but oh well, it was supported so stick to it
+           ++curpos;
+           continue;
+        }
+        Buffer.erase(curpos);
+        break;
+      }
+      // remove spaces before/after
+      curpos = Buffer.find_first_not_of(" \t\r");
+      if (curpos != 0)
+        Buffer.erase(0, curpos);
+      curpos = Buffer.find_last_not_of(" \t\r");
+      if (curpos != std::string::npos)
+        Buffer.erase(curpos + 1);
+
+      if (Buffer.empty())

         continue;
         continue;

-           
+

       // Grok it
       // Grok it

-      string LineType;
-      if (ParseQuoteWord(C,LineType) == false)
+      std::string const LineType = Buffer.substr(0, Buffer.find_first_of(" \t\v"));
+      if (LineType.empty() || LineType == Buffer)

         return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
 
       Type *Parse = Type::GetType(LineType.c_str());
       if (Parse == 0)
         return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str());
         return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
 
       Type *Parse = Type::GetType(LineType.c_str());
       if (Parse == 0)
         return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str());

-      
-      if (Parse->ParseLine(SrcList, C, CurLine, File) == false)
+
+      if (Parse->ParseLine(SrcList, Buffer.c_str() + LineType.length(), CurLine, File) == false)

         return false;
    }
    return true;
 }
                                                                        /*}}}*/
         return false;
    }
    return true;
 }
                                                                        /*}}}*/

-// SourceList::FindIndex - Get the index associated with a file                /*{{{*/
+// SourceList::ParseFileDeb822 - Parse deb822 style sources.list       /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* */
-bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
-                             pkgIndexFile *&Found) const
+/* Returns: the number of stanzas parsed*/
+bool pkgSourceList::ParseFileDeb822(string const &File)

 {
 {

-   for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
+   pkgUserTagSection Tags;
+   unsigned int i = 1;
+
+   // see if we can read the file
+   FileFd Fd(File, FileFd::ReadOnly);
+   pkgTagFile Sources(&Fd);
+   if (Fd.IsOpen() == false || Fd.Failed())
+      return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
+
+   // read step by step
+   while (Sources.Step(Tags) == true)

    {
    {

-      vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
-      for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
-          J != Indexes->end(); ++J)
+      if(Tags.Exists("Types") == false)
+        return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
+
+      string const types = Tags.FindS("Types");
+      std::vector<std::string> const list_types = VectorizeString(types, ' ');
+      for (std::vector<std::string>::const_iterator I = list_types.begin();
+        I != list_types.end(); ++I)

       {
       {

-         if ((*J)->FindInCache(*File.Cache()) == File)
+         Type *Parse = Type::GetType((*I).c_str());
+         if (Parse == 0)

          {
          {

-            Found = (*J);
-            return true;
+            _error->Error(_("Type '%s' is not known on stanza %u in source list %s"), (*I).c_str(),i,Fd.Name().c_str());
+            return false;

          }
          }

+
+         if (!Parse->ParseStanza(SrcList, Tags, i, Fd))
+            return false;
+
+         ++i;

       }
    }
       }
    }

-
+   return true;
+}
+                                                                       /*}}}*/
+// SourceList::FindIndex - Get the index associated with a file                /*{{{*/
+static bool FindInIndexFileContainer(std::vector<pkgIndexFile *> const &Cont, pkgCache::PkgFileIterator const &File, pkgIndexFile *&Found)
+{
+   auto const J = std::find_if(Cont.begin(), Cont.end(), [&File](pkgIndexFile const * const J) {
+        return J->FindInCache(*File.Cache()) == File;
+   });
+   if (J != Cont.end())
+   {
+      Found = (*J);
+      return true;
+   }

    return false;
    return false;

+}
+bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
+                             pkgIndexFile *&Found) const
+{
+   for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
+      if (FindInIndexFileContainer(*(*I)->GetIndexFiles(), File, Found))
+        return true;
+
+   return FindInIndexFileContainer(VolatileFiles, File, Found);

 }
                                                                        /*}}}*/
 // SourceList::GetIndexes - Load the index files into the downloader   /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::GetIndexes - Load the index files into the downloader   /*{{{*/


@@ -329,9 +491,12 @@ bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const
 // Based on ReadConfigDir()                                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // Based on ReadConfigDir()                                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool pkgSourceList::ReadSourceDir(string Dir)
+bool pkgSourceList::ReadSourceDir(string const &Dir)

 {
 {

-   vector<string> const List = GetListOfFilesInDir(Dir, "list", true);
+   std::vector<std::string> ext;
+   ext.push_back("list");
+   ext.push_back("sources");
+   std::vector<std::string> const List = GetListOfFilesInDir(Dir, ext, true);

 
    // Read the files
    for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
 
    // Read the files
    for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)


@@ -346,17 +511,32 @@ bool pkgSourceList::ReadSourceDir(string Dir)
 /* */
 time_t pkgSourceList::GetLastModifiedTime()
 {
 /* */
 time_t pkgSourceList::GetLastModifiedTime()
 {

-   // go over the parts
+   vector<string> List;
+

    string Main = _config->FindFile("Dir::Etc::sourcelist");
    string Parts = _config->FindDir("Dir::Etc::sourceparts");
    string Main = _config->FindFile("Dir::Etc::sourcelist");
    string Parts = _config->FindDir("Dir::Etc::sourceparts");

-   vector<string> const List = GetListOfFilesInDir(Parts, "list", true);

 
 

-   // calculate the time
-   time_t mtime_sources = GetModificationTime(Main);
-   for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
-      mtime_sources = std::max(mtime_sources, GetModificationTime(*I));
+   // go over the parts
+   if (DirectoryExists(Parts) == true)
+      List = GetListOfFilesInDir(Parts, "list", true);

 
 

-   return mtime_sources;
+   // calculate the time
+   std::vector<time_t> modtimes;
+   modtimes.reserve(1 + List.size());
+   modtimes.push_back(GetModificationTime(Main));
+   std::transform(List.begin(), List.end(), std::back_inserter(modtimes), GetModificationTime);
+   auto const maxmtime = std::max_element(modtimes.begin(), modtimes.end());
+   return *maxmtime;
+}
+                                                                       /*}}}*/
+std::vector<pkgIndexFile*> pkgSourceList::GetVolatileFiles() const     /*{{{*/
+{
+   return VolatileFiles;
+}
+                                                                       /*}}}*/
+void pkgSourceList::AddVolatileFile(pkgIndexFile * const File)         /*{{{*/
+{
+   if (File != NULL)
+      VolatileFiles.push_back(File);

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-