8 files changed, 117 insertions, 0 deletions
diff --git a/apt-pkg/contrib/cmndline.cc b/apt-pkg/contrib/cmndline.cc
index d77ef4540..2086d91ca 100644
--- a/apt-pkg/contrib/cmndline.cc
+++ b/apt-pkg/contrib/cmndline.cc
@@ -38,6 +38,42 @@ CommandLine::~CommandLine()
    delete [] FileList;
 }
 									/*}}}*/
+// CommandLine::GetCommand - return the first non-option word		/*{{{*/
+char const * CommandLine::GetCommand(Dispatch const * const Map,
+      unsigned int const argc, char const * const * const argv)
+{
+   // if there is a -- on the line there must be the word we search for around it
+   // as -- marks the end of the options, just not sure if the command can be
+   // considered an option or not, so accept both
+   for (size_t i = 1; i < argc; ++i)
+   {
+      if (strcmp(argv[i], "--") != 0)
+	 continue;
+      ++i;
+      if (i < argc)
+	 for (size_t j = 0; Map[j].Match != NULL; ++j)
+	    if (strcmp(argv[i], Map[j].Match) == 0)
+	       return Map[j].Match;
+      i -= 2;
+      if (i != 0)
+	 for (size_t j = 0; Map[j].Match != NULL; ++j)
+	    if (strcmp(argv[i], Map[j].Match) == 0)
+	       return Map[j].Match;
+      return NULL;
+   }
+   // no --, so search for the first word matching a command
+   // FIXME: How like is it that an option parameter will be also a valid Match ?
+   for (size_t i = 1; i < argc; ++i)
+   {
+      if (*(argv[i]) == '-')
+	 continue;
+      for (size_t j = 0; Map[j].Match != NULL; ++j)
+	 if (strcmp(argv[i], Map[j].Match) == 0)
+	    return Map[j].Match;
+   }
+   return NULL;
+}
+									/*}}}*/
 // CommandLine::Parse - Main action member				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -391,3 +427,15 @@ void CommandLine::SaveInConfig(unsigned int const &argc, char const * const * co
    _config->Set("CommandLine::AsString", cmdline);
 }
 									/*}}}*/
+CommandLine::Args CommandLine::MakeArgs(char ShortOpt, char const *LongOpt, char const *ConfName, unsigned long Flags)/*{{{*/
+{
+   /* In theory, this should be a constructor for CommandLine::Args instead,
+      but this breaks compatibility as gcc thinks this is a c++11 initializer_list */
+   CommandLine::Args arg;
+   arg.ShortOpt = ShortOpt;
+   arg.LongOpt = LongOpt;
+   arg.ConfName = ConfName;
+   arg.Flags = Flags;
+   return arg;
+}
+									/*}}}*/
diff --git a/apt-pkg/contrib/cmndline.h b/apt-pkg/contrib/cmndline.h
index 9f505fd41..180276633 100644
--- a/apt-pkg/contrib/cmndline.h
+++ b/apt-pkg/contrib/cmndline.h
@@ -83,6 +83,12 @@ class CommandLine
    unsigned int FileSize() const;
    bool DispatchArg(Dispatch *List,bool NoMatch = true);
       
+   static char const * GetCommand(Dispatch const * const Map,
+	 unsigned int const argc, char const * const * const argv);
+
+   static CommandLine::Args MakeArgs(char ShortOpt, char const *LongOpt,
+	 char const *ConfName, unsigned long Flags);
+
    CommandLine(Args *AList,Configuration *Conf);
    ~CommandLine();
 };
diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index 376617401..4ef4663c0 100644
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -422,6 +422,18 @@ void Configuration::Clear(string const &Name, string const &Value)
      
 }
 									/*}}}*/
+// Configuration::Clear - Clear everything				/*{{{*/
+// ---------------------------------------------------------------------
+void Configuration::Clear()
+{
+   const Configuration::Item *Top = Tree(0);
+   while( Top != 0 )
+   {
+      Clear(Top->FullTag());
+      Top = Top->Next;
+   }
+}
+									/*}}}*/
 // Configuration::Clear - Clear an entire tree				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index ea94c2fe6..8e09ea0a6 100644
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -94,6 +94,7 @@ class Configuration
 
    // clear a whole tree
    void Clear(const std::string &Name);
+   void Clear();
 
    // remove a certain value from a list (e.g. the list of "APT::Keep-Fds")
    void Clear(std::string const &List, std::string const &Value);
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index f24df65fc..dca468c63 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -41,6 +41,8 @@
 #include <dirent.h>
 #include <signal.h>
 #include <errno.h>
+#include <glob.h>
+
 #include <set>
 #include <algorithm>
 
@@ -1766,3 +1768,32 @@ bool FileFd::FileFdError(const char *Description,...) {
 									/*}}}*/
 
 gzFile FileFd::gzFd() { return (gzFile) d->gz; }
+
+
+// Glob - wrapper around "glob()"                                      /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+std::vector<std::string> Glob(std::string const &pattern, int flags)
+{
+   std::vector<std::string> result;
+   glob_t globbuf;
+   int glob_res, i;
+
+   glob_res = glob(pattern.c_str(),  flags, NULL, &globbuf);
+
+   if (glob_res != 0)
+   {
+      if(glob_res != GLOB_NOMATCH) {
+         _error->Errno("glob", "Problem with glob");
+         return result;
+      }
+   }
+
+   // append results
+   for(i=0;i<globbuf.gl_pathc;i++)
+      result.push_back(string(globbuf.gl_pathv[i]));
+
+   globfree(&globbuf);
+   return result;
+}
+									/*}}}*/
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 3ec01dd9a..decd64d9d 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -191,4 +191,7 @@ std::string flNoLink(std::string File);
 std::string flExtension(std::string File);
 std::string flCombine(std::string Dir,std::string File);
 
+// simple c++ glob
+std::vector<std::string> Glob(std::string const &pattern, int flags=0);
+
 #endif
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index b70a62a47..0955b69f7 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -1293,6 +1293,18 @@ bool CheckDomainList(const string &Host,const string &List)
    return false;
 }
 									/*}}}*/
+// strv_length - Return the length of a NULL-terminated string array	/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+size_t strv_length(const char **str_array)
+{
+   size_t i;
+   for (i=0; str_array[i] != NULL; i++)
+      /* nothing */
+      ;
+   return i;
+}
+
 // DeEscapeString - unescape (\0XX and \xXX) from a string		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index e92f91dc0..530896141 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -108,6 +108,10 @@ inline int stringcasecmp(std::string::const_iterator A,std::string::const_iterat
 APT_MKSTRCMP2(stringcmp,stringcmp);
 APT_MKSTRCMP2(stringcasecmp,stringcasecmp);
 
+// Return the length of a NULL-terminated string array
+size_t strv_length(const char **str_array);
+
+
 inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
 
 class URI