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// -*- mode: cpp; mode: fold -*-
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// $Id: init.cc,v 1.16 2001/03/13 06:51:46 jgg Exp $
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/* ######################################################################
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Init - Initialize the package library
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##################################################################### */
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// Include files /*{{{*/
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#include <apt-pkg/init.h>
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#include <apt-pkg/fileutl.h>
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#include <apt-pkg/error.h>
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#define Stringfy_(x) # x
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#define Stringfy(x) Stringfy_(x)
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const char *pkgVersion = VERSION;
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const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "."
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Stringfy(APT_PKG_MINOR) "."
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Stringfy(APT_PKG_RELEASE);
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const char *pkgCPU = COMMON_CPU;
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const char *pkgOS = COMMON_OS;
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// pkgInitConfig - Initialize the configuration class /*{{{*/
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// ---------------------------------------------------------------------
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/* Directories are specified in such a way that the FindDir function will
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understand them. That is, if they don't start with a / then their parent
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is prepended, this allows a fair degree of flexability. */
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bool pkgInitConfig(Configuration &Cnf)
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if (strcmp(COMMON_OS,"linux") == 0 ||
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strcmp(COMMON_OS,"unknown") == 0)
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Cnf.Set("APT::Architecture",COMMON_CPU);
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Cnf.Set("APT::Architecture",COMMON_OS "-" COMMON_CPU);
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Cnf.Set("Dir::State","var/lib/apt/");
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/* Just in case something goes horribly wrong, we can fall back to the
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old /var/state paths.. */
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if (stat("/var/lib/apt/.",&St) != 0 &&
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stat("/var/state/apt/.",&St) == 0)
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Cnf.Set("Dir::State","var/state/apt/");
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Cnf.Set("Dir::State::lists","lists/");
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Cnf.Set("Dir::State::cdroms","cdroms.list");
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Cnf.Set("Dir::Cache","var/cache/apt/");
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Cnf.Set("Dir::Cache::archives","archives/");
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Cnf.Set("Dir::Cache::srcpkgcache","srcpkgcache.bin");
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Cnf.Set("Dir::Cache::pkgcache","pkgcache.bin");
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Cnf.Set("Dir::Etc","etc/apt/");
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Cnf.Set("Dir::Etc::sourcelist","sources.list");
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Cnf.Set("Dir::Etc::vendorlist","vendors.list");
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Cnf.Set("Dir::Etc::vendorparts","vendors.list.d");
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Cnf.Set("Dir::Etc::main","apt.conf");
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Cnf.Set("Dir::Etc::parts","apt.conf.d");
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Cnf.Set("Dir::Etc::preferences","preferences");
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Cnf.Set("Dir::Bin::methods","/usr/lib/apt/methods");
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// Read an alternate config file
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const char *Cfg = getenv("APT_CONFIG");
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if (Cfg != 0 && FileExists(Cfg) == true)
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Res &= ReadConfigFile(Cnf,Cfg);
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// Read the configuration parts dir
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string Parts = Cnf.FindDir("Dir::Etc::parts");
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if (FileExists(Parts) == true)
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Res &= ReadConfigDir(Cnf,Parts);
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// Read the main config file
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string FName = Cnf.FindFile("Dir::Etc::main");
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if (FileExists(FName) == true)
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Res &= ReadConfigFile(Cnf,FName);
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if (Cnf.FindB("Debug::pkgInitConfig",false) == true)
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// pkgInitSystem - Initialize the _system calss /*{{{*/
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// ---------------------------------------------------------------------
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bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys)
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string Label = Cnf.Find("Apt::System","");
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if (Label.empty() == false)
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Sys = pkgSystem::GetSystem(Label.c_str());
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return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str());
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for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++)
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signed Score = pkgSystem::GlobalList[I]->Score(Cnf);
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if (Score > MaxScore)
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Sys = pkgSystem::GlobalList[I];
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return _error->Error(_("Unable to determine a suitable system type"));
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return Sys->Initialize(Cnf);