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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: init.cc,v 1.15 2001/02/20 07:03:17 jgg Exp $
/* ######################################################################
Init - Initialize the package library
##################################################################### */
/*}}}*/
// Include files /*{{{*/
#include <apt-pkg/init.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/error.h>
#include <apti18n.h>
#include <config.h>
#include <sys/stat.h>
/*}}}*/
#define Stringfy_(x) # x
#define Stringfy(x) Stringfy_(x)
const char *pkgVersion = VERSION;
const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "."
Stringfy(APT_PKG_MINOR) "."
Stringfy(APT_PKG_RELEASE);
const char *pkgCPU = COMMON_CPU;
const char *pkgOS = COMMON_OS;
// pkgInitConfig - Initialize the configuration class /*{{{*/
// ---------------------------------------------------------------------
/* Directories are specified in such a way that the FindDir function will
understand them. That is, if they don't start with a / then their parent
is prepended, this allows a fair degree of flexability. */
bool pkgInitConfig(Configuration &Cnf)
{
// General APT things
if (strcmp(COMMON_OS,"linux") == 0 ||
strcmp(COMMON_OS,"unknown") == 0)
Cnf.Set("APT::Architecture",COMMON_CPU);
else
Cnf.Set("APT::Architecture",COMMON_OS "-" COMMON_CPU);
Cnf.Set("Dir","/");
// State
Cnf.Set("Dir::State","var/lib/apt/");
/* Just in case something goes horribly wrong, we can fall back to the
old /var/state paths.. */
struct stat St;
if (stat("/var/lib/apt/.",&St) != 0 &&
stat("/var/state/apt/.",&St) == 0)
Cnf.Set("Dir::State","var/state/apt/");
Cnf.Set("Dir::State::lists","lists/");
Cnf.Set("Dir::State::cdroms","cdroms.list");
// Cache
Cnf.Set("Dir::Cache","var/cache/apt/");
Cnf.Set("Dir::Cache::archives","archives/");
Cnf.Set("Dir::Cache::srcpkgcache","srcpkgcache.bin");
Cnf.Set("Dir::Cache::pkgcache","pkgcache.bin");
// Configuration
Cnf.Set("Dir::Etc","etc/apt/");
Cnf.Set("Dir::Etc::sourcelist","sources.list");
Cnf.Set("Dir::Etc::main","apt.conf");
Cnf.Set("Dir::Etc::parts","apt.conf.d");
Cnf.Set("Dir::Etc::preferences","preferences");
Cnf.Set("Dir::Bin::methods","/usr/lib/apt/methods");
bool Res = true;
// Read an alternate config file
const char *Cfg = getenv("APT_CONFIG");
if (Cfg != 0 && FileExists(Cfg) == true)
Res &= ReadConfigFile(Cnf,Cfg);
// Read the configuration parts dir
string Parts = Cnf.FindDir("Dir::Etc::parts");
if (FileExists(Parts) == true)
Res &= ReadConfigDir(Cnf,Parts);
// Read the main config file
string FName = Cnf.FindFile("Dir::Etc::main");
if (FileExists(FName) == true)
Res &= ReadConfigFile(Cnf,FName);
if (Res == false)
return false;
if (Cnf.FindB("Debug::pkgInitConfig",false) == true)
Cnf.Dump();
return true;
}
/*}}}*/
// pkgInitSystem - Initialize the _system calss /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys)
{
Sys = 0;
string Label = Cnf.Find("Apt::System","");
if (Label.empty() == false)
{
Sys = pkgSystem::GetSystem(Label.c_str());
if (Sys == 0)
return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str());
}
else
{
signed MaxScore = 0;
for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++)
{
signed Score = pkgSystem::GlobalList[I]->Score(Cnf);
if (Score > MaxScore)
{
MaxScore = Score;
Sys = pkgSystem::GlobalList[I];
}
}
if (Sys == 0)
return _error->Error(_("Unable to determine a suitable system type"));
}
return Sys->Initialize(Cnf);
}
/*}}}*/
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