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

diff --git a/cmdline/apt-config.cc b/cmdline/apt-config.cc
index 47e37c2f72aedd2bc024774c1aa22762f44141ae..adec8dda4198dfae946c7b776052486f00422b09 100644 (file)
--- a/cmdline/apt-config.cc
+++ b/cmdline/apt-config.cc
@@ -29,6 +29,7 @@
 #include <iostream>
 #include <string>
 #include <vector>
+#include <map>
 #include <string.h>
 
 #include <apt-private/private-cmndline.h>
@@ -76,34 +77,17 @@ static bool DoDump(CommandLine &CmdL)
    return true;
 }
                                                                        /*}}}*/
-bool ShowHelp(CommandLine &, aptDispatchWithHelp const * Cmds)         /*{{{*/
+static bool ShowHelp(CommandLine &)                                    /*{{{*/
 {
-   ioprintf(cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
-   if (_config->FindB("version") == true)
-      return true;
-
    std::cout <<
       _("Usage: apt-config [options] command\n"
       "\n"
-      "apt-config is a simple tool to read the APT config file\n")
-      << std::endl
-      << _("Commands:") << std::endl;
-   for (; Cmds->Handler != nullptr; ++Cmds)
-   {
-      if (Cmds->Help == nullptr)
-        continue;
-      std::cout << "  " << Cmds->Match << " - " << Cmds->Help << std::endl;
-   }
-
-   std::cout << std::endl <<
-      _("Options:\n"
-      "  -h   This help text.\n"
-      "  -c=? Read this configuration file\n"
-      "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
+      "apt-config is an interface to the configuration settings used by\n"
+      "all APT tools, mainly intended for debugging and shell scripting.\n");
    return true;
 }
                                                                        /*}}}*/
-std::vector<aptDispatchWithHelp> GetCommands()                         /*{{{*/
+static std::vector<aptDispatchWithHelp> GetCommands()                  /*{{{*/
 {
    return {
       {"shell", &DoShell, _("get configuration values via shell evaluation")},
@@ -114,11 +98,9 @@ std::vector<aptDispatchWithHelp> GetCommands()                              /*{{{*/
                                                                        /*}}}*/
 int main(int argc,const char *argv[])                                  /*{{{*/
 {
-   InitLocale();
-
    // Parse the command line and initialize the package library
    CommandLine CmdL;
-   auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_CONFIG, &_config, &_system, argc, argv);
+   auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_CONFIG, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
 
    std::vector<std::string> const langs = APT::Configuration::getLanguages(true);
    _config->Clear("Acquire::Languages");
@@ -130,12 +112,19 @@ 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);
 
+   string const conf = "APT::Compressor::";
+   std::map<std::string,std::string> CompressorNames;
+   for (auto && key : _config->FindVector("APT::Compressor", "", true))
+   {
+      auto const comp = conf + key + "::Name";
+      CompressorNames.emplace(_config->Find(comp, key), key);
+   }
    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 + "::";
+      auto const n = CompressorNames.find(c->Name);
+      string comp = conf + (n == CompressorNames.end() ? c->Name : n->second) + "::";
       _config->Set(comp + "Name", c->Name);
       _config->Set(comp + "Extension", c->Extension);
       _config->Set(comp + "Binary", c->Binary);