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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::sourceparts","sources.list.d"); | |
68 | Cnf.Set("Dir::Etc::vendorlist","vendors.list"); | |
69 | Cnf.Set("Dir::Etc::vendorparts","vendors.list.d"); | |
70 | Cnf.Set("Dir::Etc::main","apt.conf"); | |
71 | Cnf.Set("Dir::Etc::parts","apt.conf.d"); | |
72 | Cnf.Set("Dir::Etc::preferences","preferences"); | |
73 | Cnf.Set("Dir::Bin::methods","/usr/lib/apt/methods"); | |
74 | ||
75 | bool Res = true; | |
76 | ||
77 | // Read an alternate config file | |
78 | const char *Cfg = getenv("APT_CONFIG"); | |
79 | if (Cfg != 0 && FileExists(Cfg) == true) | |
80 | Res &= ReadConfigFile(Cnf,Cfg); | |
81 | ||
82 | // Read the configuration parts dir | |
83 | string Parts = Cnf.FindDir("Dir::Etc::parts"); | |
84 | if (FileExists(Parts) == true) | |
85 | Res &= ReadConfigDir(Cnf,Parts); | |
86 | ||
87 | // Read the main config file | |
88 | string FName = Cnf.FindFile("Dir::Etc::main"); | |
89 | if (FileExists(FName) == true) | |
90 | Res &= ReadConfigFile(Cnf,FName); | |
91 | ||
92 | if (Res == false) | |
93 | return false; | |
94 | ||
95 | if (Cnf.FindB("Debug::pkgInitConfig",false) == true) | |
96 | Cnf.Dump(); | |
97 | ||
98 | #ifdef APT_DOMAIN | |
99 | if (Cnf.Exists("Dir::Locale")) | |
100 | { | |
101 | bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str()); | |
102 | bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str()); | |
103 | } | |
104 | #endif | |
105 | ||
106 | return true; | |
107 | } | |
108 | /*}}}*/ | |
109 | // pkgInitSystem - Initialize the _system calss /*{{{*/ | |
110 | // --------------------------------------------------------------------- | |
111 | /* */ | |
112 | bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys) | |
113 | { | |
114 | Sys = 0; | |
115 | string Label = Cnf.Find("Apt::System",""); | |
116 | if (Label.empty() == false) | |
117 | { | |
118 | Sys = pkgSystem::GetSystem(Label.c_str()); | |
119 | if (Sys == 0) | |
120 | return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str()); | |
121 | } | |
122 | else | |
123 | { | |
124 | signed MaxScore = 0; | |
125 | for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++) | |
126 | { | |
127 | signed Score = pkgSystem::GlobalList[I]->Score(Cnf); | |
128 | if (Score > MaxScore) | |
129 | { | |
130 | MaxScore = Score; | |
131 | Sys = pkgSystem::GlobalList[I]; | |
132 | } | |
133 | } | |
134 | ||
135 | if (Sys == 0) | |
136 | return _error->Error(_("Unable to determine a suitable packaging system type")); | |
137 | } | |
138 | ||
139 | return Sys->Initialize(Cnf); | |
140 | } | |
141 | /*}}}*/ |