summaryrefslogtreecommitdiff
path: root/apt-pkg/init.cc
blob: 4f3101687601a62f2ca534fcf81c1f51185ba41f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: init.cc,v 1.20 2003/02/09 20:31:05 doogie 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 <cstdlib>
#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);
    
// 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
   Cnf.CndSet("APT::Architecture", COMMON_ARCH);
   if (Cnf.Exists("APT::Build-Essential") == false)
      Cnf.Set("APT::Build-Essential::", "build-essential");
   Cnf.CndSet("APT::Install-Recommends", true);
   Cnf.CndSet("APT::Install-Suggests", false);
   Cnf.CndSet("Dir","/");
   
   // State   
   Cnf.CndSet("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.CndSet("Dir::State","var/state/apt/");
       
   Cnf.CndSet("Dir::State::lists","lists/");
   Cnf.CndSet("Dir::State::cdroms","cdroms.list");
   Cnf.CndSet("Dir::State::mirrors","mirrors/");

   // Cache
   Cnf.CndSet("Dir::Cache","var/cache/apt/");
   Cnf.CndSet("Dir::Cache::archives","archives/");
   Cnf.CndSet("Dir::Cache::srcpkgcache","srcpkgcache.bin");
   Cnf.CndSet("Dir::Cache::pkgcache","pkgcache.bin");
   
   // Configuration
   Cnf.CndSet("Dir::Etc","etc/apt/");
   Cnf.CndSet("Dir::Etc::sourcelist","sources.list");
   Cnf.CndSet("Dir::Etc::sourceparts","sources.list.d");
   Cnf.CndSet("Dir::Etc::vendorlist","vendors.list");
   Cnf.CndSet("Dir::Etc::vendorparts","vendors.list.d");
   Cnf.CndSet("Dir::Etc::main","apt.conf");
   Cnf.CndSet("Dir::Etc::netrc", "auth.conf");
   Cnf.CndSet("Dir::Etc::parts","apt.conf.d");
   Cnf.CndSet("Dir::Etc::preferences","preferences");
   Cnf.CndSet("Dir::Etc::preferencesparts","preferences.d");
   Cnf.CndSet("Dir::Etc::trusted", "trusted.gpg");
   Cnf.CndSet("Dir::Etc::trustedparts","trusted.gpg.d");
   Cnf.CndSet("Dir::Bin::methods","/usr/lib/apt/methods");
   Cnf.CndSet("Dir::Bin::solvers::","/usr/lib/apt/solvers");
   Cnf.CndSet("Dir::Media::MountPath","/media/apt");

   // State   
   Cnf.CndSet("Dir::Log","var/log/apt");
   Cnf.CndSet("Dir::Log::Terminal","term.log");
   Cnf.CndSet("Dir::Log::History","history.log");

   if (Cnf.Exists("Dir::Ignore-Files-Silently") == false)
   {
      Cnf.Set("Dir::Ignore-Files-Silently::", "~$");
      Cnf.Set("Dir::Ignore-Files-Silently::", "\\.disabled$");
      Cnf.Set("Dir::Ignore-Files-Silently::", "\\.bak$");
      Cnf.Set("Dir::Ignore-Files-Silently::", "\\.dpkg-[a-z]+$");
      // ubuntu specific
      Cnf.Set("Dir::Ignore-Files-Silently::", "\\.distUpgrade$");
      Cnf.Set("Dir::Ignore-Files-Silently::", "\\.save$");
   }

   // Default cdrom mount point
   Cnf.CndSet("Acquire::cdrom::mount", "/media/cdrom/");

   bool Res = true;
   
   // Read an alternate config file
   const char *Cfg = getenv("APT_CONFIG");
   if (Cfg != 0)
   {
      if (RealFileExists(Cfg) == true)
	 Res &= ReadConfigFile(Cnf,Cfg);
      else
	 _error->WarningE("RealFileExists",_("Unable to read %s"),Cfg);
   }

   // Read the configuration parts dir
   string Parts = Cnf.FindDir("Dir::Etc::parts");
   if (DirectoryExists(Parts) == true)
      Res &= ReadConfigDir(Cnf,Parts);
   else
      _error->WarningE("DirectoryExists",_("Unable to read %s"),Parts.c_str());

   // Read the main config file
   string FName = Cnf.FindFile("Dir::Etc::main");
   if (RealFileExists(FName) == true)
      Res &= ReadConfigFile(Cnf,FName);

   if (Res == false)
      return false;

   if (Cnf.FindB("Debug::pkgInitConfig",false) == true)
      Cnf.Dump();
   
#ifdef APT_DOMAIN
   if (Cnf.Exists("Dir::Locale"))
   {  
      bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str());
      bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str());
   }
#endif

   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 packaging system type"));
   }
   
   return Sys->Initialize(Cnf);
}
									/*}}}*/