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1// -*- mode: cpp; mode: fold -*-
2// Description /*{{{*/
8f312f45 3// $Id: apt-config.cc,v 1.11 2003/01/11 07:18:44 jgg Exp $
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4/* ######################################################################
5
6 APT Config - Program to manipulate APT configuration files
7
8 This program will parse a config file and then do something with it.
9
10 Commands:
1e3f4083 11 shell - Shell mode. After this a series of word pairs should occur.
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12 The first is the environment var to set and the second is
13 the key to set it from. Use like:
14 eval `apt-config shell QMode apt::QMode`
15
16 ##################################################################### */
17 /*}}}*/
18// Include Files /*{{{*/
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19#include<config.h>
20
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21#include <apt-pkg/cmndline.h>
22#include <apt-pkg/error.h>
23#include <apt-pkg/init.h>
b2e465d6 24#include <apt-pkg/strutl.h>
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25#include <apt-pkg/configuration.h>
26#include <apt-pkg/aptconfiguration.h>
472ff00e 27#include <apt-pkg/pkgsystem.h>
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28
29#include <iostream>
b2e465d6 30#include <string>
aa833344 31#include <vector>
453b82a3 32#include <string.h>
ea542140 33
b9179170 34#include <apt-private/private-cmndline.h>
e7e10e47 35#include <apt-private/private-main.h>
b9179170 36
ea542140 37#include <apti18n.h>
7a1b1f8b 38 /*}}}*/
8f312f45 39using namespace std;
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40
41// DoShell - Handle the shell command /*{{{*/
42// ---------------------------------------------------------------------
43/* */
c3ccac92 44static bool DoShell(CommandLine &CmdL)
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45{
46 for (const char **I = CmdL.FileList + 1; *I != 0; I += 2)
47 {
e42eb508 48 if (I[1] == 0 || strlen(I[1]) == 0)
b2e465d6 49 return _error->Error(_("Arguments not in pairs"));
e42eb508 50
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51 string key = I[1];
52 if (key.end()[-1] == '/') // old directory format
53 key.append("d");
54
55 if (_config->ExistsAny(key.c_str()))
56 cout << *I << "='" <<
57 SubstVar(_config->FindAny(key.c_str()),"'","'\\''") << '\'' << endl;
e42eb508 58
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59 }
60
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61 return true;
62}
63 /*}}}*/
64// DoDump - Dump the configuration space /*{{{*/
65// ---------------------------------------------------------------------
66/* */
c3ccac92 67static bool DoDump(CommandLine &CmdL)
314037ba 68{
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69 bool const empty = _config->FindB("APT::Config::Dump::EmptyValue", true);
70 std::string const format = _config->Find("APT::Config::Dump::Format", "%f \"%v\";\n");
71 if (CmdL.FileSize() == 1)
72 _config->Dump(cout, NULL, format.c_str(), empty);
73 else
74 for (const char **I = CmdL.FileList + 1; *I != 0; ++I)
75 _config->Dump(cout, *I, format.c_str(), empty);
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76 return true;
77}
78 /*}}}*/
f6777222 79static bool ShowHelp(CommandLine &) /*{{{*/
7a1b1f8b 80{
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81 std::cout <<
82 _("Usage: apt-config [options] command\n"
b2e465d6 83 "\n"
8561c2fe 84 "apt-config is an interface to the configuration settings used by\n"
d04e44ac 85 "all APT tools, mainly intended for debugging and shell scripting.\n");
b9179170 86 return true;
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87}
88 /*}}}*/
f6777222 89static std::vector<aptDispatchWithHelp> GetCommands() /*{{{*/
7a1b1f8b 90{
011188e3 91 return {
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92 {"shell", &DoShell, _("get configuration values via shell evaluation")},
93 {"dump", &DoDump, _("show the active configuration setting")},
94 {nullptr, nullptr, nullptr}
95 };
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96}
97 /*}}}*/
98int main(int argc,const char *argv[]) /*{{{*/
99{
7a1b1f8b 100 // Parse the command line and initialize the package library
ad7e0941 101 CommandLine CmdL;
90986d4d 102 auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_CONFIG, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
7a1b1f8b 103
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104 std::vector<std::string> const langs = APT::Configuration::getLanguages(true);
105 _config->Clear("Acquire::Languages");
106 for (std::vector<std::string>::const_iterator l = langs.begin(); l != langs.end(); ++l)
107 _config->Set("Acquire::Languages::", *l);
108
109 std::vector<std::string> const archs = APT::Configuration::getArchitectures();
110 _config->Clear("APT::Architectures");
111 for (std::vector<std::string>::const_iterator a = archs.begin(); a != archs.end(); ++a)
112 _config->Set("APT::Architectures::", *a);
113
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114 std::vector<APT::Configuration::Compressor> const compressors = APT::Configuration::getCompressors();
115 _config->Clear("APT::Compressor");
116 string conf = "APT::Compressor::";
117 for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); c != compressors.end(); ++c)
118 {
119 string comp = conf + c->Name + "::";
120 _config->Set(comp + "Name", c->Name);
121 _config->Set(comp + "Extension", c->Extension);
122 _config->Set(comp + "Binary", c->Binary);
123 _config->Set(std::string(comp + "Cost").c_str(), c->Cost);
124 for (std::vector<std::string>::const_iterator a = c->CompressArgs.begin(); a != c->CompressArgs.end(); ++a)
125 _config->Set(comp + "CompressArg::", *a);
126 for (std::vector<std::string>::const_iterator a = c->UncompressArgs.begin(); a != c->UncompressArgs.end(); ++a)
127 _config->Set(comp + "UncompressArg::", *a);
128 }
129
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130 std::vector<std::string> const profiles = APT::Configuration::getBuildProfiles();
131 _config->Clear("APT::Build-Profiles");
132 for (std::vector<std::string>::const_iterator p = profiles.begin(); p != profiles.end(); ++p)
133 _config->Set("APT::Build-Profiles::", *p);
134
e7e10e47 135 return DispatchCommandLine(CmdL, Cmds);
7a1b1f8b 136}
92fcbfc1 137 /*}}}*/