if file is inaccessible for _apt, disable privilege drop in acquire

[apt.git] / cmdline / apt-config.cc

diff --git a/cmdline/apt-config.cc b/cmdline/apt-config.cc
index df29589751e2763b6fbbc5ed961a12bdd2874a7f..4479b84a7c56f6f2071ecf20687947ddfcf1a716 100644 (file)
--- a/cmdline/apt-config.cc
+++ b/cmdline/apt-config.cc
@@ -8,7 +8,7 @@
    This program will parse a config file and then do something with it.
    
    Commands:
-     shell - Shell mode. After this a series of word pairs should occure.
+     shell - Shell mode. After this a series of word pairs should occur.
              The first is the environment var to set and the second is
              the key to set it from. Use like: 
  eval `apt-config shell QMode apt::QMode`
@@ -24,11 +24,14 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/pkgsystem.h>
 
-#include <locale.h>
 #include <iostream>
 #include <string>
 #include <vector>
+#include <string.h>
+
+#include <apt-private/private-cmndline.h>
 
 #include <apti18n.h>
                                                                        /*}}}*/
@@ -37,7 +40,7 @@ using namespace std;
 // DoShell - Handle the shell command                                  /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool DoShell(CommandLine &CmdL)
+static bool DoShell(CommandLine &CmdL)
 {
    for (const char **I = CmdL.FileList + 1; *I != 0; I += 2)
    {
@@ -60,22 +63,27 @@ bool DoShell(CommandLine &CmdL)
 // DoDump - Dump the configuration space                               /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool DoDump(CommandLine &CmdL)
+static bool DoDump(CommandLine &CmdL)
 {
-   _config->Dump(cout);
+   bool const empty = _config->FindB("APT::Config::Dump::EmptyValue", true);
+   std::string const format = _config->Find("APT::Config::Dump::Format", "%f \"%v\";\n");
+   if (CmdL.FileSize() == 1)
+      _config->Dump(cout, NULL, format.c_str(), empty);
+   else
+      for (const char **I = CmdL.FileList + 1; *I != 0; ++I)
+        _config->Dump(cout, *I, format.c_str(), empty);
    return true;
 }
                                                                        /*}}}*/
 // ShowHelp - Show the help screen                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-int ShowHelp()
+static bool ShowHelp(CommandLine &)
 {
-   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
-           COMMON_ARCH,__DATE__,__TIME__);
+   ioprintf(cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
    if (_config->FindB("version") == true)
-      return 0;
-   
+      return true;
+
    cout <<
     _("Usage: apt-config [options] command\n"
       "\n"
@@ -89,39 +97,25 @@ int ShowHelp()
       "  -h   This help text.\n" 
       "  -c=? Read this configuration file\n" 
       "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
-   return 0;
+   return true;
 }
                                                                        /*}}}*/
 int main(int argc,const char *argv[])                                  /*{{{*/
 {
-   CommandLine::Args Args[] = {
-      {'h',"help","help",0},
-      {'v',"version","version",0},
-      {'c',"config-file",0,CommandLine::ConfigFile},
-      {'o',"option",0,CommandLine::ArbItem},
-      {0,0,0,0}};
    CommandLine::Dispatch Cmds[] = {{"shell",&DoShell},
                                    {"dump",&DoDump},
+                                  {"help",&ShowHelp},
                                    {0,0}};
 
+   std::vector<CommandLine::Args> Args = getCommandArgs("apt-config", CommandLine::GetCommand(Cmds, argc, argv));
+
    // Set up gettext support
    setlocale(LC_ALL,"");
    textdomain(PACKAGE);
 
    // Parse the command line and initialize the package library
-   CommandLine CmdL(Args,_config);
-   if (pkgInitConfig(*_config) == false ||
-       CmdL.Parse(argc,argv) == false ||
-       pkgInitSystem(*_config,_system) == false)
-   {
-      _error->DumpErrors();
-      return 100;
-   }
-
-   // See if the help should be shown
-   if (_config->FindB("help") == true ||
-       CmdL.FileSize() == 0)
-      return ShowHelp();
+   CommandLine CmdL;
+   ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp);
 
    std::vector<std::string> const langs = APT::Configuration::getLanguages(true);
    _config->Clear("Acquire::Languages");
@@ -133,6 +127,27 @@ int main(int argc,const char *argv[])                                      /*{{{*/
    for (std::vector<std::string>::const_iterator a = archs.begin(); a != archs.end(); ++a)
       _config->Set("APT::Architectures::", *a);
 
+   std::vector<APT::Configuration::Compressor> const compressors = APT::Configuration::getCompressors();
+   _config->Clear("APT::Compressor");
+   string conf = "APT::Compressor::";
+   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); c != compressors.end(); ++c)
+   {
+      string comp = conf + c->Name + "::";
+      _config->Set(comp + "Name", c->Name);
+      _config->Set(comp + "Extension", c->Extension);
+      _config->Set(comp + "Binary", c->Binary);
+      _config->Set(std::string(comp + "Cost").c_str(), c->Cost);
+      for (std::vector<std::string>::const_iterator a = c->CompressArgs.begin(); a != c->CompressArgs.end(); ++a)
+        _config->Set(comp + "CompressArg::", *a);
+      for (std::vector<std::string>::const_iterator a = c->UncompressArgs.begin(); a != c->UncompressArgs.end(); ++a)
+        _config->Set(comp + "UncompressArg::", *a);
+   }
+
+   std::vector<std::string> const profiles = APT::Configuration::getBuildProfiles();
+   _config->Clear("APT::Build-Profiles");
+   for (std::vector<std::string>::const_iterator p = profiles.begin(); p != profiles.end(); ++p)
+      _config->Set("APT::Build-Profiles::", *p);
+
    // Match the operation
    CmdL.DispatchArg(Cmds);