cmdline/apt-cdrom.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: apt-cdrom.cc,v 1.28 1999/07/12 02:59:36 jgg Exp $
   4 /* ######################################################################
   5
   6    APT CDROM - Tool for handling APT's CDROM database.
   7
   8    Currently the only option is 'add' which will take the current CD
   9    in the drive and add it into the database.
  10
  11    ##################################################################### */
  12                                                                         /*}}}*/
  13 // Include Files                                                        /*{{{*/
  14 #include <apt-pkg/cmndline.h>
  15 #include <apt-pkg/error.h>
  16 #include <apt-pkg/init.h>
  17 #include <apt-pkg/fileutl.h>
  18 #include <apt-pkg/progress.h>
  19 #include <apt-pkg/cdromutl.h>
  20 #include <apt-pkg/strutl.h>
  21 #include <config.h>
  22
  23 #include "indexcopy.h"
  24
  25 #include <iostream>
  26 #include <fstream>
  27 #include <vector>
  28 #include <algorithm>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31 #include <dirent.h>
  32 #include <unistd.h>
  33 #include <stdio.h>
  34                                                                         /*}}}*/
  35
  36 // FindPackages - Find the package files on the CDROM                   /*{{{*/
  37 // ---------------------------------------------------------------------
  38 /* We look over the cdrom for package files. This is a recursive
  39    search that short circuits when it his a package file in the dir.
  40    This speeds it up greatly as the majority of the size is in the
  41    binary-* sub dirs. */
  42 bool FindPackages(string CD,vector<string> &List,vector<string> &SList,
  43                   string &InfoDir,unsigned int Depth = 0)
  44 {
  45    static ino_t Inodes[9];
  46    if (Depth >= 7)
  47       return true;
  48
  49    if (CD[CD.length()-1] != '/')
  50       CD += '/';
  51
  52    if (chdir(CD.c_str()) != 0)
  53       return _error->Errno("chdir","Unable to change to %s",CD.c_str());
  54
  55    // Look for a .disk subdirectory
  56    struct stat Buf;
  57    if (stat(".disk",&Buf) == 0)
  58    {
  59       if (InfoDir.empty() == true)
  60          InfoDir = CD + ".disk/";
  61    }
  62
  63    /* Aha! We found some package files. We assume that everything under
  64       this dir is controlled by those package files so we don't look down
  65       anymore */
  66    if (stat("Packages",&Buf) == 0)
  67    {
  68       List.push_back(CD);
  69
  70       // Continue down if thorough is given
  71       if (_config->FindB("APT::CDROM::Thorough",false) == false)
  72          return true;
  73    }
  74    if (stat("Sources.gz",&Buf) == 0 || stat("Sources",&Buf) == 0)
  75    {
  76       SList.push_back(CD);
  77
  78       // Continue down if thorough is given
  79       if (_config->FindB("APT::CDROM::Thorough",false) == false)
  80          return true;
  81    }
  82
  83    DIR *D = opendir(".");
  84    if (D == 0)
  85       return _error->Errno("opendir","Unable to read %s",CD.c_str());
  86
  87    // Run over the directory
  88    for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
  89    {
  90       // Skip some files..
  91       if (strcmp(Dir->d_name,".") == 0 ||
  92           strcmp(Dir->d_name,"..") == 0 ||
  93           //strcmp(Dir->d_name,"source") == 0 ||
  94           strcmp(Dir->d_name,"experimental") == 0 ||
  95           strcmp(Dir->d_name,"binary-all") == 0)
  96          continue;
  97
  98       // See if the name is a sub directory
  99       struct stat Buf;
 100       if (stat(Dir->d_name,&Buf) != 0)
 101          continue;
 102
 103       if (S_ISDIR(Buf.st_mode) == 0)
 104          continue;
 105
 106       unsigned int I;
 107       for (I = 0; I != Depth; I++)
 108          if (Inodes[I] == Buf.st_ino)
 109             break;
 110       if (I != Depth)
 111          continue;
 112
 113       // Store the inodes weve seen
 114       Inodes[Depth] = Buf.st_ino;
 115
 116       // Descend
 117       if (FindPackages(CD + Dir->d_name,List,SList,InfoDir,Depth+1) == false)
 118          break;
 119
 120       if (chdir(CD.c_str()) != 0)
 121          return _error->Errno("chdir","Unable to change to ",CD.c_str());
 122    };
 123
 124    closedir(D);
 125
 126    return !_error->PendingError();
 127 }
 128                                                                         /*}}}*/
 129 // DropBinaryArch - Dump dirs with a string like /binary-<foo>/         /*{{{*/
 130 // ---------------------------------------------------------------------
 131 /* Here we drop everything that is not this machines arch */
 132 bool DropBinaryArch(vector<string> &List)
 133 {
 134    char S[300];
 135    sprintf(S,"/binary-%s/",_config->Find("Apt::Architecture").c_str());
 136
 137    for (unsigned int I = 0; I < List.size(); I++)
 138    {
 139       const char *Str = List[I].c_str();
 140
 141       const char *Res;
 142       if ((Res = strstr(Str,"/binary-")) == 0)
 143          continue;
 144
 145       // Weird, remove it.
 146       if (strlen(Res) < strlen(S))
 147       {
 148          List.erase(List.begin() + I);
 149          I--;
 150          continue;
 151       }
 152
 153       // See if it is our arch
 154       if (stringcmp(Res,Res + strlen(S),S) == 0)
 155          continue;
 156
 157       // Erase it
 158       List.erase(List.begin() + I);
 159       I--;
 160    }
 161
 162    return true;
 163 }
 164                                                                         /*}}}*/
 165 // Score - We compute a 'score' for a path                              /*{{{*/
 166 // ---------------------------------------------------------------------
 167 /* Paths are scored based on how close they come to what I consider
 168    normal. That is ones that have 'dist' 'stable' 'frozen' will score
 169    higher than ones without. */
 170 int Score(string Path)
 171 {
 172    int Res = 0;
 173    if (Path.find("stable/") != string::npos)
 174       Res += 2;
 175    if (Path.find("/binary-") != string::npos)
 176       Res += 2;
 177    if (Path.find("frozen/") != string::npos)
 178       Res += 2;
 179    if (Path.find("/dists/") != string::npos)
 180       Res += 4;
 181    if (Path.find("/main/") != string::npos)
 182       Res += 2;
 183    if (Path.find("/contrib/") != string::npos)
 184       Res += 2;
 185    if (Path.find("/non-free/") != string::npos)
 186       Res += 2;
 187    if (Path.find("/non-US/") != string::npos)
 188       Res += 2;
 189    if (Path.find("/source/") != string::npos)
 190       Res += 1;
 191    return Res;
 192 }
 193                                                                         /*}}}*/
 194 // DropRepeats - Drop repeated files resulting from symlinks            /*{{{*/
 195 // ---------------------------------------------------------------------
 196 /* Here we go and stat every file that we found and strip dup inodes. */
 197 bool DropRepeats(vector<string> &List,const char *Name)
 198 {
 199    // Get a list of all the inodes
 200    ino_t *Inodes = new ino_t[List.size()];
 201    for (unsigned int I = 0; I != List.size(); I++)
 202    {
 203       struct stat Buf;
 204       if (stat((List[I] + Name).c_str(),&Buf) != 0 &&
 205           stat((List[I] + Name + ".gz").c_str(),&Buf) != 0)
 206          _error->Errno("stat","Failed to stat %s%s",List[I].c_str(),
 207                        Name);
 208       Inodes[I] = Buf.st_ino;
 209    }
 210
 211    if (_error->PendingError() == true)
 212       return false;
 213
 214    // Look for dups
 215    for (unsigned int I = 0; I != List.size(); I++)
 216    {
 217       for (unsigned int J = I+1; J < List.size(); J++)
 218       {
 219          // No match
 220          if (Inodes[J] != Inodes[I])
 221             continue;
 222
 223          // We score the two paths.. and erase one
 224          int ScoreA = Score(List[I]);
 225          int ScoreB = Score(List[J]);
 226          if (ScoreA < ScoreB)
 227          {
 228             List[I] = string();
 229             break;
 230          }
 231
 232          List[J] = string();
 233       }
 234    }
 235
 236    // Wipe erased entries
 237    for (unsigned int I = 0; I < List.size();)
 238    {
 239       if (List[I].empty() == false)
 240          I++;
 241       else
 242          List.erase(List.begin()+I);
 243    }
 244
 245    return true;
 246 }
 247                                                                         /*}}}*/
 248
 249 // ReduceSourceList - Takes the path list and reduces it                /*{{{*/
 250 // ---------------------------------------------------------------------
 251 /* This takes the list of source list expressed entires and collects
 252    similar ones to form a single entry for each dist */
 253 bool ReduceSourcelist(string CD,vector<string> &List)
 254 {
 255    sort(List.begin(),List.end());
 256
 257    // Collect similar entries
 258    for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 259    {
 260       // Find a space..
 261       string::size_type Space = (*I).find(' ');
 262       if (Space == string::npos)
 263          continue;
 264       string::size_type SSpace = (*I).find(' ',Space + 1);
 265       if (SSpace == string::npos)
 266          continue;
 267
 268       string Word1 = string(*I,Space,SSpace-Space);
 269       for (vector<string>::iterator J = List.begin(); J != I; J++)
 270       {
 271          // Find a space..
 272          string::size_type Space2 = (*J).find(' ');
 273          if (Space2 == string::npos)
 274             continue;
 275          string::size_type SSpace2 = (*J).find(' ',Space2 + 1);
 276          if (SSpace2 == string::npos)
 277             continue;
 278
 279          if (string(*J,Space2,SSpace2-Space2) != Word1)
 280             continue;
 281
 282          *J += string(*I,SSpace);
 283          *I = string();
 284       }
 285    }
 286
 287    // Wipe erased entries
 288    for (unsigned int I = 0; I < List.size();)
 289    {
 290       if (List[I].empty() == false)
 291          I++;
 292       else
 293          List.erase(List.begin()+I);
 294    }
 295 }
 296                                                                         /*}}}*/
 297 // WriteDatabase - Write the CDROM Database file                        /*{{{*/
 298 // ---------------------------------------------------------------------
 299 /* We rewrite the configuration class associated with the cdrom database. */
 300 bool WriteDatabase(Configuration &Cnf)
 301 {
 302    string DFile = _config->FindFile("Dir::State::cdroms");
 303    string NewFile = DFile + ".new";
 304
 305    unlink(NewFile.c_str());
 306    ofstream Out(NewFile.c_str());
 307    if (!Out)
 308       return _error->Errno("ofstream::ofstream",
 309                            "Failed to open %s.new",DFile.c_str());
 310
 311    /* Write out all of the configuration directives by walking the
 312       configuration tree */
 313    const Configuration::Item *Top = Cnf.Tree(0);
 314    for (; Top != 0;)
 315    {
 316       // Print the config entry
 317       if (Top->Value.empty() == false)
 318          Out <<  Top->FullTag() + " \"" << Top->Value << "\";" << endl;
 319
 320       if (Top->Child != 0)
 321       {
 322          Top = Top->Child;
 323          continue;
 324       }
 325
 326       while (Top != 0 && Top->Next == 0)
 327          Top = Top->Parent;
 328       if (Top != 0)
 329          Top = Top->Next;
 330    }
 331
 332    Out.close();
 333
 334    rename(DFile.c_str(),string(DFile + '~').c_str());
 335    if (rename(NewFile.c_str(),DFile.c_str()) != 0)
 336       return _error->Errno("rename","Failed to rename %s.new to %s",
 337                            DFile.c_str(),DFile.c_str());
 338
 339    return true;
 340 }
 341                                                                         /*}}}*/
 342 // WriteSourceList - Write an updated sourcelist                        /*{{{*/
 343 // ---------------------------------------------------------------------
 344 /* This reads the old source list and copies it into the new one. It
 345    appends the new CDROM entires just after the first block of comments.
 346    This places them first in the file. It also removes any old entries
 347    that were the same. */
 348 bool WriteSourceList(string Name,vector<string> &List,bool Source)
 349 {
 350    if (List.size() == 0)
 351       return true;
 352
 353    string File = _config->FindFile("Dir::Etc::sourcelist");
 354
 355    // Open the stream for reading
 356    ifstream F(File.c_str(),ios::in | ios::nocreate);
 357    if (!F != 0)
 358       return _error->Errno("ifstream::ifstream","Opening %s",File.c_str());
 359
 360    string NewFile = File + ".new";
 361    unlink(NewFile.c_str());
 362    ofstream Out(NewFile.c_str());
 363    if (!Out)
 364       return _error->Errno("ofstream::ofstream",
 365                            "Failed to open %s.new",File.c_str());
 366
 367    // Create a short uri without the path
 368    string ShortURI = "cdrom:" + Name + "/";
 369
 370    const char *Type;
 371    if (Source == true)
 372       Type = "deb-src";
 373    else
 374       Type = "deb";
 375
 376    char Buffer[300];
 377    int CurLine = 0;
 378    bool First = true;
 379    while (F.eof() == false)
 380    {
 381       F.getline(Buffer,sizeof(Buffer));
 382       CurLine++;
 383       _strtabexpand(Buffer,sizeof(Buffer));
 384       _strstrip(Buffer);
 385
 386       // Comment or blank
 387       if (Buffer[0] == '#' || Buffer[0] == 0)
 388       {
 389          Out << Buffer << endl;
 390          continue;
 391       }
 392
 393       if (First == true)
 394       {
 395          for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 396          {
 397             string::size_type Space = (*I).find(' ');
 398             if (Space == string::npos)
 399                return _error->Error("Internal error");
 400             Out << Type << " \"cdrom:" << Name << "/" << string(*I,0,Space) <<
 401                "\" " << string(*I,Space+1) << endl;
 402          }
 403       }
 404       First = false;
 405
 406       // Grok it
 407       string cType;
 408       string URI;
 409       char *C = Buffer;
 410       if (ParseQuoteWord(C,cType) == false ||
 411           ParseQuoteWord(C,URI) == false)
 412       {
 413          Out << Buffer << endl;
 414          continue;
 415       }
 416
 417       // Emit lines like this one
 418       if (cType != Type || string(URI,0,ShortURI.length()) != ShortURI)
 419       {
 420          Out << Buffer << endl;
 421          continue;
 422       }
 423    }
 424
 425    // Just in case the file was empty
 426    if (First == true)
 427    {
 428       for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 429       {
 430          string::size_type Space = (*I).find(' ');
 431          if (Space == string::npos)
 432             return _error->Error("Internal error");
 433
 434          Out << "deb \"cdrom:" << Name << "/" << string(*I,0,Space) <<
 435             "\" " << string(*I,Space+1) << endl;
 436       }
 437    }
 438
 439    Out.close();
 440
 441    rename(File.c_str(),string(File + '~').c_str());
 442    if (rename(NewFile.c_str(),File.c_str()) != 0)
 443       return _error->Errno("rename","Failed to rename %s.new to %s",
 444                            File.c_str(),File.c_str());
 445
 446    return true;
 447 }
 448                                                                         /*}}}*/
 449
 450 // Prompt - Simple prompt                                               /*{{{*/
 451 // ---------------------------------------------------------------------
 452 /* */
 453 void Prompt(const char *Text)
 454 {
 455    char C;
 456    cout << Text << ' ' << flush;
 457    read(STDIN_FILENO,&C,1);
 458    if (C != '\n')
 459       cout << endl;
 460 }
 461                                                                         /*}}}*/
 462 // PromptLine - Prompt for an input line                                /*{{{*/
 463 // ---------------------------------------------------------------------
 464 /* */
 465 string PromptLine(const char *Text)
 466 {
 467    cout << Text << ':' << endl;
 468
 469    string Res;
 470    getline(cin,Res);
 471    return Res;
 472 }
 473                                                                         /*}}}*/
 474
 475 // DoAdd - Add a new CDROM                                              /*{{{*/
 476 // ---------------------------------------------------------------------
 477 /* This does the main add bit.. We show some status and things. The
 478    sequence is to mount/umount the CD, Ident it then scan it for package
 479    files and reduce that list. Then we copy over the package files and
 480    verify them. Then rewrite the database files */
 481 bool DoAdd(CommandLine &)
 482 {
 483    // Startup
 484    string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
 485    if (CDROM[0] == '.')
 486       CDROM= SafeGetCWD() + '/' + CDROM;
 487
 488    cout << "Using CD-ROM mount point " << CDROM << endl;
 489
 490    // Read the database
 491    Configuration Database;
 492    string DFile = _config->FindFile("Dir::State::cdroms");
 493    if (FileExists(DFile) == true)
 494    {
 495       if (ReadConfigFile(Database,DFile) == false)
 496          return _error->Error("Unable to read the cdrom database %s",
 497                               DFile.c_str());
 498    }
 499
 500    // Unmount the CD and get the user to put in the one they want
 501    if (_config->FindB("APT::CDROM::NoMount",false) == false)
 502    {
 503       cout << "Unmounting CD-ROM" << endl;
 504       UnmountCdrom(CDROM);
 505
 506       // Mount the new CDROM
 507       Prompt("Please insert a Disc in the drive and press enter");
 508       cout << "Mounting CD-ROM" << endl;
 509       if (MountCdrom(CDROM) == false)
 510          return _error->Error("Failed to mount the cdrom.");
 511    }
 512
 513    // Hash the CD to get an ID
 514    cout << "Identifying.. " << flush;
 515    string ID;
 516    if (IdentCdrom(CDROM,ID) == false)
 517    {
 518       cout << endl;
 519       return false;
 520    }
 521
 522    cout << '[' << ID << ']' << endl;
 523
 524    cout << "Scanning Disc for index files..  " << flush;
 525    // Get the CD structure
 526    vector<string> List;
 527    vector<string> sList;
 528    string StartDir = SafeGetCWD();
 529    string InfoDir;
 530    if (FindPackages(CDROM,List,sList,InfoDir) == false)
 531    {
 532       cout << endl;
 533       return false;
 534    }
 535
 536    chdir(StartDir.c_str());
 537
 538    if (_config->FindB("Debug::aptcdrom",false) == true)
 539    {
 540       cout << "I found:" << endl;
 541       for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 542       {
 543          cout << *I << endl;
 544       }
 545    }
 546
 547    // Fix up the list
 548    DropBinaryArch(List);
 549    DropRepeats(List,"Packages");
 550    DropRepeats(sList,"Sources");
 551    cout << "Found " << List.size() << " package indexes and " << sList.size() <<
 552       " source indexes." << endl;
 553
 554    if (List.size() == 0)
 555       return _error->Error("Unable to locate any package files, perhaps this is not a Debian Disc");
 556
 557    // Check if the CD is in the database
 558    string Name;
 559    if (Database.Exists("CD::" + ID) == false ||
 560        _config->FindB("APT::CDROM::Rename",false) == true)
 561    {
 562       // Try to use the CDs label if at all possible
 563       if (InfoDir.empty() == false &&
 564           FileExists(InfoDir + "/info") == true)
 565       {
 566          ifstream F(string(InfoDir + "/info").c_str());
 567          if (!F == 0)
 568             getline(F,Name);
 569
 570          if (Name.empty() == false)
 571          {
 572             cout << "Found label '" << Name << "'" << endl;
 573             Database.Set("CD::" + ID + "::Label",Name);
 574          }
 575       }
 576
 577       if (_config->FindB("APT::CDROM::Rename",false) == true ||
 578           Name.empty() == true)
 579       {
 580          cout << "Please provide a name for this Disc, such as 'Debian 2.1r1 Disk 1'";
 581          while (1)
 582          {
 583             Name = PromptLine("");
 584             if (Name.empty() == false &&
 585                 Name.find('"') == string::npos &&
 586                 Name.find(':') == string::npos &&
 587                 Name.find('/') == string::npos)
 588                break;
 589             cout << "That is not a valid name, try again " << endl;
 590          }
 591       }
 592    }
 593    else
 594       Name = Database.Find("CD::" + ID);
 595
 596    string::iterator J = Name.begin();
 597    for (; J != Name.end(); J++)
 598       if (*J == '/' || *J == '"' || *J == ':')
 599          *J = '_';
 600
 601    Database.Set("CD::" + ID,Name);
 602    cout << "This Disc is called '" << Name << "'" << endl;
 603
 604    // Copy the package files to the state directory
 605    PackageCopy Copy;
 606    SourceCopy SrcCopy;
 607    if (Copy.CopyPackages(CDROM,Name,List) == false ||
 608        SrcCopy.CopyPackages(CDROM,Name,sList) == false)
 609       return false;
 610
 611    ReduceSourcelist(CDROM,List);
 612    ReduceSourcelist(CDROM,sList);
 613
 614    // Write the database and sourcelist
 615    if (_config->FindB("APT::cdrom::NoAct",false) == false)
 616    {
 617       if (WriteDatabase(Database) == false)
 618          return false;
 619
 620       cout << "Writing new source list" << endl;
 621       if (WriteSourceList(Name,List,false) == false ||
 622           WriteSourceList(Name,sList,true) == false)
 623          return false;
 624    }
 625
 626    // Print the sourcelist entries
 627    cout << "Source List entries for this Disc are:" << endl;
 628    for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 629    {
 630       string::size_type Space = (*I).find(' ');
 631       if (Space == string::npos)
 632          return _error->Error("Internal error");
 633
 634       cout << "deb \"cdrom:" << Name << "/" << string(*I,0,Space) <<
 635          "\" " << string(*I,Space+1) << endl;
 636    }
 637
 638    for (vector<string>::iterator I = sList.begin(); I != sList.end(); I++)
 639    {
 640       string::size_type Space = (*I).find(' ');
 641       if (Space == string::npos)
 642          return _error->Error("Internal error");
 643
 644       cout << "deb-src \"cdrom:" << Name << "/" << string(*I,0,Space) <<
 645          "\" " << string(*I,Space+1) << endl;
 646    }
 647
 648    cout << "Repeat this process for the rest of the CDs in your set." << endl;
 649    return true;
 650 }
 651                                                                         /*}}}*/
 652
 653 // ShowHelp - Show the help screen                                      /*{{{*/
 654 // ---------------------------------------------------------------------
 655 /* */
 656 int ShowHelp()
 657 {
 658    cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE <<
 659        " compiled on " << __DATE__ << "  " << __TIME__ << endl;
 660    if (_config->FindB("version") == true)
 661       return 100;
 662
 663    cout << "Usage: apt-cdrom [options] command" << endl;
 664    cout << endl;
 665    cout << "apt-cdrom is a tool to add CDROM's to APT's source list. The " << endl;
 666    cout << "CDROM mount point and device information is taken from apt.conf" << endl;
 667    cout << "and /etc/fstab." << endl;
 668    cout << endl;
 669    cout << "Commands:" << endl;
 670    cout << "   add - Add a CDROM" << endl;
 671    cout << endl;
 672    cout << "Options:" << endl;
 673    cout << "  -h   This help text" << endl;
 674    cout << "  -d   CD-ROM mount point" << endl;
 675    cout << "  -r   Rename a recognized CD-ROM" << endl;
 676    cout << "  -m   No mounting" << endl;
 677    cout << "  -f   Fast mode, don't check package files" << endl;
 678    cout << "  -a   Thorough scan mode" << endl;
 679    cout << "  -c=? Read this configuration file" << endl;
 680    cout << "  -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp" << endl;
 681    cout << "See fstab(5)" << endl;
 682    return 100;
 683 }
 684                                                                         /*}}}*/
 685
 686 int main(int argc,const char *argv[])
 687 {
 688    CommandLine::Args Args[] = {
 689       {'h',"help","help",0},
 690       {'v',"version","version",0},
 691       {'d',"cdrom","Acquire::cdrom::mount",CommandLine::HasArg},
 692       {'r',"rename","APT::CDROM::Rename",0},
 693       {'m',"no-mount","APT::CDROM::NoMount",0},
 694       {'f',"fast","APT::CDROM::Fast",0},
 695       {'n',"just-print","APT::CDROM::NoAct",0},
 696       {'n',"recon","APT::CDROM::NoAct",0},
 697       {'n',"no-act","APT::CDROM::NoAct",0},
 698       {'a',"thorough","APT::CDROM::Thorough",0},
 699       {'c',"config-file",0,CommandLine::ConfigFile},
 700       {'o',"option",0,CommandLine::ArbItem},
 701       {0,0,0,0}};
 702    CommandLine::Dispatch Cmds[] = {
 703       {"add",&DoAdd},
 704       {0,0}};
 705
 706    // Parse the command line and initialize the package library
 707    CommandLine CmdL(Args,_config);
 708    if (pkgInitialize(*_config) == false ||
 709        CmdL.Parse(argc,argv) == false)
 710    {
 711       _error->DumpErrors();
 712       return 100;
 713    }
 714
 715    // See if the help should be shown
 716    if (_config->FindB("help") == true ||
 717        CmdL.FileSize() == 0)
 718       return ShowHelp();
 719
 720    // Deal with stdout not being a tty
 721    if (ttyname(STDOUT_FILENO) == 0 && _config->FindI("quiet",0) < 1)
 722       _config->Set("quiet","1");
 723
 724    // Match the operation
 725    CmdL.DispatchArg(Cmds);
 726
 727    // Print any errors or warnings found during parsing
 728    if (_error->empty() == false)
 729    {
 730       bool Errors = _error->PendingError();
 731       _error->DumpErrors();
 732       return Errors == true?100:0;
 733    }
 734
 735    return 0;
 736 }