| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: init.cc,v 1.20 2003/02/09 20:31:05 doogie Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | Init - Initialize the package library |
| 7 | |
| 8 | ##################################################################### */ |
| 9 | /*}}}*/ |
| 10 | // Include files /*{{{*/ |
| 11 | #include <apt-pkg/init.h> |
| 12 | #include <apt-pkg/fileutl.h> |
| 13 | #include <apt-pkg/error.h> |
| 14 | |
| 15 | #include <apti18n.h> |
| 16 | #include <config.h> |
| 17 | #include <sys/stat.h> |
| 18 | /*}}}*/ |
| 19 | |
| 20 | #define Stringfy_(x) # x |
| 21 | #define Stringfy(x) Stringfy_(x) |
| 22 | const char *pkgVersion = VERSION; |
| 23 | const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "." |
| 24 | Stringfy(APT_PKG_MINOR) "." |
| 25 | Stringfy(APT_PKG_RELEASE); |
| 26 | const char *pkgCPU = COMMON_CPU; |
| 27 | const char *pkgOS = COMMON_OS; |
| 28 | |
| 29 | // pkgInitConfig - Initialize the configuration class /*{{{*/ |
| 30 | // --------------------------------------------------------------------- |
| 31 | /* Directories are specified in such a way that the FindDir function will |
| 32 | understand them. That is, if they don't start with a / then their parent |
| 33 | is prepended, this allows a fair degree of flexability. */ |
| 34 | bool pkgInitConfig(Configuration &Cnf) |
| 35 | { |
| 36 | // General APT things |
| 37 | if (strcmp(COMMON_OS,"linux") == 0 || |
| 38 | strcmp(COMMON_OS,"unknown") == 0) |
| 39 | Cnf.Set("APT::Architecture",COMMON_CPU); |
| 40 | else |
| 41 | Cnf.Set("APT::Architecture",COMMON_OS "-" COMMON_CPU); |
| 42 | Cnf.Set("APT::Build-Essential::", "build-essential"); |
| 43 | Cnf.Set("Dir","/"); |
| 44 | |
| 45 | // State |
| 46 | Cnf.Set("Dir::State","var/lib/apt/"); |
| 47 | |
| 48 | /* Just in case something goes horribly wrong, we can fall back to the |
| 49 | old /var/state paths.. */ |
| 50 | struct stat St; |
| 51 | if (stat("/var/lib/apt/.",&St) != 0 && |
| 52 | stat("/var/state/apt/.",&St) == 0) |
| 53 | Cnf.Set("Dir::State","var/state/apt/"); |
| 54 | |
| 55 | Cnf.Set("Dir::State::lists","lists/"); |
| 56 | Cnf.Set("Dir::State::cdroms","cdroms.list"); |
| 57 | |
| 58 | // Cache |
| 59 | Cnf.Set("Dir::Cache","var/cache/apt/"); |
| 60 | Cnf.Set("Dir::Cache::archives","archives/"); |
| 61 | Cnf.Set("Dir::Cache::srcpkgcache","srcpkgcache.bin"); |
| 62 | Cnf.Set("Dir::Cache::pkgcache","pkgcache.bin"); |
| 63 | |
| 64 | // Configuration |
| 65 | Cnf.Set("Dir::Etc","etc/apt/"); |
| 66 | Cnf.Set("Dir::Etc::sourcelist","sources.list"); |
| 67 | Cnf.Set("Dir::Etc::vendorlist","vendors.list"); |
| 68 | Cnf.Set("Dir::Etc::vendorparts","vendors.list.d"); |
| 69 | Cnf.Set("Dir::Etc::main","apt.conf"); |
| 70 | Cnf.Set("Dir::Etc::parts","apt.conf.d"); |
| 71 | Cnf.Set("Dir::Etc::preferences","preferences"); |
| 72 | Cnf.Set("Dir::Bin::methods","/usr/lib/apt/methods"); |
| 73 | |
| 74 | bool Res = true; |
| 75 | |
| 76 | // Read an alternate config file |
| 77 | const char *Cfg = getenv("APT_CONFIG"); |
| 78 | if (Cfg != 0 && FileExists(Cfg) == true) |
| 79 | Res &= ReadConfigFile(Cnf,Cfg); |
| 80 | |
| 81 | // Read the configuration parts dir |
| 82 | string Parts = Cnf.FindDir("Dir::Etc::parts"); |
| 83 | if (FileExists(Parts) == true) |
| 84 | Res &= ReadConfigDir(Cnf,Parts); |
| 85 | |
| 86 | // Read the main config file |
| 87 | string FName = Cnf.FindFile("Dir::Etc::main"); |
| 88 | if (FileExists(FName) == true) |
| 89 | Res &= ReadConfigFile(Cnf,FName); |
| 90 | |
| 91 | if (Res == false) |
| 92 | return false; |
| 93 | |
| 94 | if (Cnf.FindB("Debug::pkgInitConfig",false) == true) |
| 95 | Cnf.Dump(); |
| 96 | |
| 97 | #ifdef APT_DOMAIN |
| 98 | if (Cnf.Exists("Dir::Locale")) |
| 99 | { |
| 100 | bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str()); |
| 101 | bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str()); |
| 102 | } |
| 103 | #endif |
| 104 | |
| 105 | return true; |
| 106 | } |
| 107 | /*}}}*/ |
| 108 | // pkgInitSystem - Initialize the _system calss /*{{{*/ |
| 109 | // --------------------------------------------------------------------- |
| 110 | /* */ |
| 111 | bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys) |
| 112 | { |
| 113 | Sys = 0; |
| 114 | string Label = Cnf.Find("Apt::System",""); |
| 115 | if (Label.empty() == false) |
| 116 | { |
| 117 | Sys = pkgSystem::GetSystem(Label.c_str()); |
| 118 | if (Sys == 0) |
| 119 | return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str()); |
| 120 | } |
| 121 | else |
| 122 | { |
| 123 | signed MaxScore = 0; |
| 124 | for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++) |
| 125 | { |
| 126 | signed Score = pkgSystem::GlobalList[I]->Score(Cnf); |
| 127 | if (Score > MaxScore) |
| 128 | { |
| 129 | MaxScore = Score; |
| 130 | Sys = pkgSystem::GlobalList[I]; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | if (Sys == 0) |
| 135 | return _error->Error(_("Unable to determine a suitable system type")); |
| 136 | } |
| 137 | |
| 138 | return Sys->Initialize(Cnf); |
| 139 | } |
| 140 | /*}}}*/ |