cmdline/apt-helper.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 /* #####################################################################
   4    apt-helper - cmdline helpers
   5    ##################################################################### */
   6                                                                         /*}}}*/
   7 // Include Files                                                        /*{{{*/
   8 #include <config.h>
   9
  10 #include <apt-pkg/configuration.h>
  11 #include <apt-pkg/cmndline.h>
  12 #include <apt-pkg/error.h>
  13 #include <apt-pkg/init.h>
  14 #include <apt-pkg/strutl.h>
  15 #include <apt-pkg/pkgsystem.h>
  16 #include <apt-pkg/fileutl.h>
  17 #include <apt-pkg/acquire.h>
  18 #include <apt-pkg/acquire-item.h>
  19
  20 #include <apt-private/acqprogress.h>
  21 #include <apt-private/private-output.h>
  22 #include <apt-private/private-cmndline.h>
  23
  24 #include <iostream>
  25 #include <string>
  26 #include <vector>
  27
  28 #include <apti18n.h>
  29                                                                         /*}}}*/
  30 using namespace std;
  31
  32 static bool DoDownloadFile(CommandLine &CmdL)
  33 {
  34    if (CmdL.FileSize() <= 2)
  35       return _error->Error(_("Must specify at least one pair url/filename"));
  36
  37
  38    pkgAcquire Fetcher;
  39    AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0));
  40    Fetcher.Setup(&Stat);
  41    std::string download_uri = CmdL.FileList[1];
  42    std::string targetfile = CmdL.FileList[2];
  43    new pkgAcqFile(&Fetcher, download_uri, "", 0, "desc", "short-desc",
  44                   "dest-dir-ignored", targetfile);
  45    Fetcher.Run();
  46    if (!FileExists(targetfile))
  47    {
  48       _error->Error(_("Download Failed"));
  49       return false;
  50    }
  51    return true;
  52 }
  53
  54 static bool ShowHelp(CommandLine &)
  55 {
  56    ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
  57             COMMON_ARCH,__DATE__,__TIME__);
  58
  59    if (_config->FindB("version") == true)
  60      return true;
  61
  62    cout <<
  63     _("Usage: apt-helper [options] command\n"
  64       "       apt-helper [options] download-file uri target-path\n"
  65       "\n"
  66       "apt-helper is a internal helper for apt\n"
  67       "\n"
  68       "Commands:\n"
  69       "   download-file - download the given uri to the target-path\n"
  70       "\n"
  71       "                       This APT helper has Super Meep Powers.\n");
  72    return true;
  73 }
  74
  75
  76 int main(int argc,const char *argv[])                                   /*{{{*/
  77 {
  78    CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
  79                                    {"download-file", &DoDownloadFile},
  80                                    {0,0}};
  81
  82    std::vector<CommandLine::Args> Args = getCommandArgs(
  83       "apt-download", CommandLine::GetCommand(Cmds, argc, argv));
  84
  85    // Set up gettext support
  86    setlocale(LC_ALL,"");
  87    textdomain(PACKAGE);
  88
  89    // Parse the command line and initialize the package library
  90    CommandLine CmdL(Args.data(),_config);
  91    if (pkgInitConfig(*_config) == false ||
  92        CmdL.Parse(argc,argv) == false ||
  93        pkgInitSystem(*_config,_system) == false)
  94    {
  95       if (_config->FindB("version") == true)
  96          ShowHelp(CmdL);
  97       _error->DumpErrors();
  98       return 100;
  99    }
 100
 101    // See if the help should be shown
 102    if (_config->FindB("help") == true ||
 103        _config->FindB("version") == true ||
 104        CmdL.FileSize() == 0)
 105    {
 106       ShowHelp(CmdL);
 107       return 0;
 108    }
 109
 110    InitOutput();
 111
 112    // Match the operation
 113    CmdL.DispatchArg(Cmds);
 114
 115    // Print any errors or warnings found during parsing
 116    bool const Errors = _error->PendingError();
 117    if (_config->FindI("quiet",0) > 0)
 118       _error->DumpErrors();
 119    else
 120       _error->DumpErrors(GlobalError::DEBUG);
 121    return Errors == true ? 100 : 0;
 122 }
 123                                                                         /*}}}*/