[apt.git] / cmdline / apt-extracttemplates.cc

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: apt-extracttemplates.cc,v 1.15 2003/07/26 00:00:11 mdz Exp $
/* ######################################################################
   
   APT Extract Templates - Program to extract debconf config and template
                           files

   This is a simple program to extract config and template information 
   from Debian packages. It can be used to speed up the preconfiguration
   process for debconf-enabled packages
   
   ##################################################################### */
									/*}}}*/
// Include Files							/*{{{*/
#include<config.h>

#include <apt-pkg/init.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/version.h>
#include <apt-pkg/tagfile.h>
#include <apt-pkg/debfile.h>
#include <apt-pkg/deblistparser.h>
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/dirstream.h>
#include <apt-pkg/mmap.h>

#include <iostream>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>

#include "apt-extracttemplates.h"

#include <apti18n.h>
									/*}}}*/

using namespace std;

pkgCache *DebFile::Cache = 0;

// DebFile::DebFile - Construct the DebFile object			/*{{{*/
// ---------------------------------------------------------------------
/* */
DebFile::DebFile(const char *debfile)
	: File(debfile, FileFd::ReadOnly), Size(0), Control(NULL), ControlLen(0),
	  DepOp(0), PreDepOp(0), Config(0), Template(0), Which(None)
{
}
									/*}}}*/
// DebFile::~DebFile - Destruct the DebFile object			/*{{{*/
// ---------------------------------------------------------------------
/* */
DebFile::~DebFile()
{
	delete [] Control;
	delete [] Config;
	delete [] Template;
}
									/*}}}*/
// DebFile::GetInstalledVer - Find out the installed version of a pkg	/*{{{*/
// ---------------------------------------------------------------------
/* */
string DebFile::GetInstalledVer(const string &package)
{
	pkgCache::PkgIterator Pkg = Cache->FindPkg(package);
	if (Pkg.end() == false) 
	{
		pkgCache::VerIterator V = Pkg.CurrentVer();
		if (V.end() == false)
		{
			return V.VerStr();
		}
	}

	return string();
}
									/*}}}*/
// DebFile::Go - Start extracting a debian package			/*{{{*/
// ---------------------------------------------------------------------
/* */
bool DebFile::Go()
{
	debDebFile Deb(File);

	return Deb.ExtractTarMember(*this, "control.tar");
}
									/*}}}*/
// DebFile::DoItem examine element in package and mark			/*{{{*/
// ---------------------------------------------------------------------
/* */
bool DebFile::DoItem(Item &I, int &Fd)
{
	if (strcmp(I.Name, "control") == 0)
	{
		delete [] Control;
		Control = new char[I.Size+1];
		Control[I.Size] = 0;
		Which = IsControl;
		ControlLen = I.Size;
		// make it call the Process method below. this is so evil
		Fd = -2;
	}
	else if (strcmp(I.Name, "config") == 0)
	{
		delete [] Config;
		Config = new char[I.Size+1];
		Config[I.Size] = 0;
		Which = IsConfig;
		Fd = -2; 
	} 
	else if (strcmp(I.Name, "templates") == 0)
	{
		delete [] Template;
		Template = new char[I.Size+1];
		Template[I.Size] = 0;
		Which = IsTemplate;
		Fd = -2;
	} 
	else 
	{
		// Ignore it
		Fd = -1;
	}
	return true;
}
									/*}}}*/
// DebFile::Process examine element in package and copy			/*{{{*/
// ---------------------------------------------------------------------
/* */
bool DebFile::Process(Item &/*I*/, const unsigned char *data,
		unsigned long size, unsigned long pos)
{
	switch (Which)
	{
	case IsControl:
		memcpy(Control + pos, data, size);
		break;
	case IsConfig:
		memcpy(Config + pos, data, size);
		break;
	case IsTemplate:
		memcpy(Template + pos, data, size);
		break;
	default: /* throw it away */ ;
	}
	return true;
}
									/*}}}*/
// DebFile::ParseInfo - Parse control file for dependency info		/*{{{*/
// ---------------------------------------------------------------------
/* */
bool DebFile::ParseInfo()
{
	if (Control == NULL) return false;
	
	pkgTagSection Section;
	Section.Scan(Control, ControlLen);

	Package = Section.FindS("Package");
	Version = GetInstalledVer(Package);

	const char *Start, *Stop;
	if (Section.Find("Depends", Start, Stop) == true)
	{
		while (1)
		{
			string P, V;
			unsigned int Op;
			Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
			if (Start == 0) return false;
			if (P == "debconf")
			{
				DepVer = V;
				DepOp = Op;
				break;
			}
			if (Start == Stop) break;
		}
	}
	
	if (Section.Find("Pre-Depends", Start, Stop) == true)
	{
		while (1)
		{
			string P, V;
			unsigned int Op;
			Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
			if (Start == 0) return false;
			if (P == "debconf")
			{
				PreDepVer = V;
				PreDepOp = Op;
				break;
			}
			if (Start == Stop) break;
		}
	}
	
	return true;
}
									/*}}}*/
// ShowHelp - show a short help text					/*{{{*/
// ---------------------------------------------------------------------
/* */
static int ShowHelp(void)
{
   	ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
	    COMMON_ARCH,__DATE__,__TIME__);

	if (_config->FindB("version") == true) 
		return 0;

	cout << 
		_("Usage: apt-extracttemplates file1 [file2 ...]\n"
		"\n"
		"apt-extracttemplates is a tool to extract config and template info\n"
		"from debian packages\n"
		"\n"
		"Options:\n"
	        "  -h   This help text\n"
		"  -t   Set the temp dir\n"
		"  -c=? Read this configuration file\n"
		"  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
	return 0;
}
									/*}}}*/
// WriteFile - write the contents of the passed string to a file	/*{{{*/
// ---------------------------------------------------------------------
/* */
static string WriteFile(const char *package, const char *prefix, const char *data)
{
	char fn[512];

        std::string tempdir = GetTempDir();
	snprintf(fn, sizeof(fn), "%s/%s.%s.XXXXXX",
                 _config->Find("APT::ExtractTemplates::TempDir", 
                               tempdir.c_str()).c_str(),
                 package, prefix);
	FileFd f;
	if (data == NULL)
		data = "";
        int fd = mkstemp(fn);
        if (fd < 0) {
		_error->Errno("ofstream::ofstream",_("Unable to mkstemp %s"),fn);
                return string();
        }
	if (!f.OpenDescriptor(fd, FileFd::WriteOnly, FileFd::None, true))
	{
		_error->Errno("ofstream::ofstream",_("Unable to write to %s"),fn);
		return string();
	}
	f.Write(data, strlen(data));
	f.Close();
	return fn;
}
									/*}}}*/
// WriteConfig - write out the config data from a debian package file	/*{{{*/
// ---------------------------------------------------------------------
/* */
static void WriteConfig(const DebFile &file)
{
	string templatefile = WriteFile(file.Package.c_str(), "template", file.Template);
	string configscript = WriteFile(file.Package.c_str(), "config", file.Config);

	if (templatefile.empty() == true || configscript.empty() == true)
		return;
	cout << file.Package << " " << file.Version << " " 
	     << templatefile << " " << configscript << endl;
}
									/*}}}*/
// InitCache - initialize the package cache				/*{{{*/
// ---------------------------------------------------------------------
/* */
static bool Go(CommandLine &CmdL)
{	
	// Initialize the apt cache
	MMap *Map = 0;
	pkgSourceList List;
	List.ReadMainList();
	pkgCacheGenerator::MakeStatusCache(List,NULL,&Map,true);
	if (Map == 0)
	   return false;
	DebFile::Cache = new pkgCache(Map);
	if (_error->PendingError() == true)
		return false;

	// Find out what version of debconf is currently installed
	string debconfver = DebFile::GetInstalledVer("debconf");
	if (debconfver.empty() == true)
		return _error->Error( _("Cannot get debconf version. Is debconf installed?"));

	// Process each package passsed in
	for (unsigned int I = 0; I != CmdL.FileSize(); I++)
	{
		// Will pick up the errors later..
		DebFile file(CmdL.FileList[I]);
		if (file.Go() == false)
		{
		        _error->Error("Prior errors apply to %s",CmdL.FileList[I]);
			continue;
		}

		// Does the package have templates?
		if (file.Template != 0 && file.ParseInfo() == true)
		{
			// Check to make sure debconf dependencies are
			// satisfied
			// cout << "Check " << file.DepVer << ',' << debconfver << endl;
			if (file.DepVer != "" &&
			    DebFile::Cache->VS->CheckDep(debconfver.c_str(),
					file.DepOp,file.DepVer.c_str()
							 ) == false)
				continue;
			if (file.PreDepVer != "" &&
			    DebFile::Cache->VS->CheckDep(debconfver.c_str(),
			                file.PreDepOp,file.PreDepVer.c_str()
							 ) == false) 
				continue;

			WriteConfig(file);
		}
	}
	

	delete Map;
	delete DebFile::Cache;
	
	return !_error->PendingError();
}
									/*}}}*/
int main(int argc, const char **argv)					/*{{{*/
{
	CommandLine::Args Args[] = {
		{'h',"help","help",0},
		{'v',"version","version",0},
		{'t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg},
		{'c',"config-file",0,CommandLine::ConfigFile},
		{'o',"option",0,CommandLine::ArbItem},
		{0,0,0,0}};

	// Set up gettext support
	setlocale(LC_ALL,"");
	textdomain(PACKAGE);

	// Parse the command line and initialize the package library
	CommandLine CmdL(Args,_config);
	if (pkgInitConfig(*_config) == false ||
	    CmdL.Parse(argc,argv) == false ||
	    pkgInitSystem(*_config,_system) == false)
	{
		_error->DumpErrors();
		return 100;
	}
	
	// See if the help should be shown
	if (_config->FindB("help") == true ||
	    CmdL.FileSize() == 0)
		return ShowHelp();
	
	Go(CmdL);

	// Print any errors or warnings found during operation
	if (_error->empty() == false)
	{
		// This goes to stderr..
		bool Errors = _error->PendingError();
		_error->DumpErrors();
		return Errors == true?100:0;
	}
	
	return 0;
}
									/*}}}*/
Commit	Line	Data
234edfd0 AL	1	// -- mode: cpp; mode: fold --
234edfd0 AL	2	// Description /{{{/
8eb5af51	3	// $Id: apt-extracttemplates.cc,v 1.15 2003/07/26 00:00:11 mdz Exp $
234edfd0 AL	4	/* ######################################################################
	5
	6	APT Extract Templates - Program to extract debconf config and template
	7	files
3fc8f685	8
234edfd0 AL	9	This is a simple program to extract config and template information
	10	from Debian packages. It can be used to speed up the preconfiguration
	11	process for debconf-enabled packages
	12
	13	##################################################################### */
	14	/}}}/
	15	// Include Files /{{{/
ea542140 DK	16	#include<config.h>
ea542140 DK	17
3fc8f685	18	#include <apt-pkg/init.h>
5cbf1b49	19	#include <apt-pkg/cmndline.h>
3fc8f685	20	#include <apt-pkg/pkgcache.h>
453b82a3	21	#include <apt-pkg/cacheiterators.h>
3fc8f685	22	#include <apt-pkg/configuration.h>
3fc8f685 AL	23	#include <apt-pkg/sourcelist.h>
	24	#include <apt-pkg/pkgcachegen.h>
	25	#include <apt-pkg/version.h>
234edfd0	26	#include <apt-pkg/tagfile.h>
e7f56293	27	#include <apt-pkg/debfile.h>
234edfd0 AL	28	#include <apt-pkg/deblistparser.h>
	29	#include <apt-pkg/error.h>
	30	#include <apt-pkg/strutl.h>
4decd43c	31	#include <apt-pkg/fileutl.h>
472ff00e	32	#include <apt-pkg/pkgsystem.h>
453b82a3 DK	33	#include <apt-pkg/dirstream.h>
453b82a3 DK	34	#include <apt-pkg/mmap.h>
ea542140	35
453b82a3	36	#include <iostream>
234edfd0 AL	37	#include <stdio.h>
234edfd0 AL	38	#include <string.h>
234edfd0	39	#include <unistd.h>
8d50b63f	40	#include <stdlib.h>
234edfd0	41
234edfd0	42	#include "apt-extracttemplates.h"
a00a9b44 DK	43
a00a9b44 DK	44	#include <apti18n.h>
7e726255	45	/}}}/
234edfd0	46
8f312f45 AL	47	using namespace std;
8f312f45 AL	48
234edfd0 AL	49	pkgCache *DebFile::Cache = 0;
	50
	51	// DebFile::DebFile - Construct the DebFile object /{{{/
	52	// ---------------------------------------------------------------------
	53	/* */
	54	DebFile::DebFile(const char *debfile)
dcaa1185 DK	55	: File(debfile, FileFd::ReadOnly), Size(0), Control(NULL), ControlLen(0),
dcaa1185 DK	56	DepOp(0), PreDepOp(0), Config(0), Template(0), Which(None)
3fc8f685	57	{
3fc8f685	58	}
234edfd0 AL	59	/}}}/
	60	// DebFile::~DebFile - Destruct the DebFile object /{{{/
	61	// ---------------------------------------------------------------------
	62	/* */
	63	DebFile::~DebFile()
	64	{
	65	delete [] Control;
	66	delete [] Config;
	67	delete [] Template;
	68	}
	69	/}}}/
	70	// DebFile::GetInstalledVer - Find out the installed version of a pkg /{{{/
	71	// ---------------------------------------------------------------------
	72	/* */
7e726255	73	string DebFile::GetInstalledVer(const string &package)
234edfd0	74	{
234edfd0 AL	75	pkgCache::PkgIterator Pkg = Cache->FindPkg(package);
	76	if (Pkg.end() == false)
	77	{
	78	pkgCache::VerIterator V = Pkg.CurrentVer();
7e726255	79	if (V.end() == false)
234edfd0	80	{
7e726255	81	return V.VerStr();
234edfd0 AL	82	}
234edfd0 AL	83	}
3fc8f685	84
7e726255	85	return string();
234edfd0 AL	86	}
	87	/}}}/
	88	// DebFile::Go - Start extracting a debian package /{{{/
	89	// ---------------------------------------------------------------------
	90	/* */
	91	bool DebFile::Go()
	92	{
e7f56293 GJ	93	debDebFile Deb(File);
	94
	95	return Deb.ExtractTarMember(*this, "control.tar");
234edfd0 AL	96	}
	97	/}}}/
	98	// DebFile::DoItem examine element in package and mark /{{{/
	99	// ---------------------------------------------------------------------
	100	/* */
	101	bool DebFile::DoItem(Item &I, int &Fd)
	102	{
	103	if (strcmp(I.Name, "control") == 0)
	104	{
	105	delete [] Control;
	106	Control = new char[I.Size+1];
	107	Control[I.Size] = 0;
	108	Which = IsControl;
	109	ControlLen = I.Size;
	110	// make it call the Process method below. this is so evil
	111	Fd = -2;
	112	}
	113	else if (strcmp(I.Name, "config") == 0)
	114	{
	115	delete [] Config;
	116	Config = new char[I.Size+1];
	117	Config[I.Size] = 0;
	118	Which = IsConfig;
	119	Fd = -2;
	120	}
	121	else if (strcmp(I.Name, "templates") == 0)
	122	{
	123	delete [] Template;
	124	Template = new char[I.Size+1];
	125	Template[I.Size] = 0;
	126	Which = IsTemplate;
	127	Fd = -2;
	128	}
	129	else
	130	{
7e726255	131	// Ignore it
234edfd0 AL	132	Fd = -1;
	133	}
	134	return true;
	135	}
	136	/}}}/
	137	// DebFile::Process examine element in package and copy /{{{/
	138	// ---------------------------------------------------------------------
	139	/* */
65512241	140	bool DebFile::Process(Item &/I/, const unsigned char *data,
234edfd0 AL	141	unsigned long size, unsigned long pos)
	142	{
	143	switch (Which)
	144	{
	145	case IsControl:
	146	memcpy(Control + pos, data, size);
	147	break;
	148	case IsConfig:
	149	memcpy(Config + pos, data, size);
	150	break;
	151	case IsTemplate:
	152	memcpy(Template + pos, data, size);
	153	break;
	154	default: /* throw it away */ ;
	155	}
	156	return true;
	157	}
	158	/}}}/
	159	// DebFile::ParseInfo - Parse control file for dependency info /{{{/
	160	// ---------------------------------------------------------------------
	161	/* */
	162	bool DebFile::ParseInfo()
	163	{
	164	if (Control == NULL) return false;
7e726255	165
234edfd0 AL	166	pkgTagSection Section;
	167	Section.Scan(Control, ControlLen);
	168
	169	Package = Section.FindS("Package");
	170	Version = GetInstalledVer(Package);
	171
	172	const char Start, Stop;
	173	if (Section.Find("Depends", Start, Stop) == true)
	174	{
	175	while (1)
	176	{
	177	string P, V;
	178	unsigned int Op;
	179	Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
	180	if (Start == 0) return false;
	181	if (P == "debconf")
	182	{
	183	DepVer = V;
	184	DepOp = Op;
	185	break;
	186	}
	187	if (Start == Stop) break;
	188	}
	189	}
	190
	191	if (Section.Find("Pre-Depends", Start, Stop) == true)
	192	{
	193	while (1)
	194	{
	195	string P, V;
	196	unsigned int Op;
	197	Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
	198	if (Start == 0) return false;
	199	if (P == "debconf")
	200	{
	201	PreDepVer = V;
	202	PreDepOp = Op;
	203	break;
	204	}
	205	if (Start == Stop) break;
	206	}
	207	}
	208
	209	return true;
	210	}
	211	/}}}/
	212	// ShowHelp - show a short help text /{{{/
	213	// ---------------------------------------------------------------------
	214	/* */
c3ccac92	215	static int ShowHelp(void)
234edfd0	216	{
9179f697	217	ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
5b28c804	218	COMMON_ARCH,__DATE__,__TIME__);
234edfd0	219
7e726255 AL	220	if (_config->FindB("version") == true)
7e726255 AL	221	return 0;
5cbf1b49	222
7e726255	223	cout <<
234edfd0 AL	224	_("Usage: apt-extracttemplates file1 [file2 ...]\n"
	225	"\n"
	226	"apt-extracttemplates is a tool to extract config and template info\n"
7e726255 AL	227	"from debian packages\n"
	228	"\n"
	229	"Options:\n"
	230	" -h This help text\n"
	231	" -t Set the temp dir\n"
	232	" -c=? Read this configuration file\n"
a2884e32	233	" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
7e726255	234	return 0;
234edfd0 AL	235	}
	236	/}}}/
	237	// WriteFile - write the contents of the passed string to a file /{{{/
	238	// ---------------------------------------------------------------------
	239	/* */
c3ccac92	240	static string WriteFile(const char package, const char prefix, const char *data)
3fc8f685 AL	241	{
3fc8f685 AL	242	char fn[512];
8eb5af51	243
68e01721	244	std::string tempdir = GetTempDir();
8d50b63f	245	snprintf(fn, sizeof(fn), "%s/%s.%s.XXXXXX",
68e01721 MV	246	_config->Find("APT::ExtractTemplates::TempDir",
68e01721 MV	247	tempdir.c_str()).c_str(),
8d50b63f	248	package, prefix);
4decd43c AL	249	FileFd f;
	250	if (data == NULL)
	251	data = "";
8d50b63f MV	252	int fd = mkstemp(fn);
	253	if (fd < 0) {
	254	_error->Errno("ofstream::ofstream",_("Unable to mkstemp %s"),fn);
	255	return string();
	256	}
	257	if (!f.OpenDescriptor(fd, FileFd::WriteOnly, FileFd::None, true))
7e726255 AL	258	{
	259	_error->Errno("ofstream::ofstream",_("Unable to write to %s"),fn);
	260	return string();
	261	}
4decd43c AL	262	f.Write(data, strlen(data));
4decd43c AL	263	f.Close();
7e726255	264	return fn;
3fc8f685	265	}
234edfd0 AL	266	/}}}/
	267	// WriteConfig - write out the config data from a debian package file /{{{/
	268	// ---------------------------------------------------------------------
	269	/* */
c3ccac92	270	static void WriteConfig(const DebFile &file)
3fc8f685	271	{
a5eef4f7 AL	272	string templatefile = WriteFile(file.Package.c_str(), "template", file.Template);
a5eef4f7 AL	273	string configscript = WriteFile(file.Package.c_str(), "config", file.Config);
3fc8f685	274
7e726255	275	if (templatefile.empty() == true \|\| configscript.empty() == true)
3fc8f685	276	return;
234edfd0 AL	277	cout << file.Package << " " << file.Version << " "
234edfd0 AL	278	<< templatefile << " " << configscript << endl;
234edfd0 AL	279	}
	280	/}}}/
	281	// InitCache - initialize the package cache /{{{/
	282	// ---------------------------------------------------------------------
	283	/* */
c3ccac92	284	static bool Go(CommandLine &CmdL)
7e726255	285	{
3fc8f685	286	// Initialize the apt cache
7e726255	287	MMap *Map = 0;
3fc8f685 AL	288	pkgSourceList List;
3fc8f685 AL	289	List.ReadMainList();
ea4b220b	290	pkgCacheGenerator::MakeStatusCache(List,NULL,&Map,true);
08945efa AL	291	if (Map == 0)
08945efa AL	292	return false;
7e726255 AL	293	DebFile::Cache = new pkgCache(Map);
	294	if (_error->PendingError() == true)
	295	return false;
5cbf1b49	296
234edfd0	297	// Find out what version of debconf is currently installed
7e726255 AL	298	string debconfver = DebFile::GetInstalledVer("debconf");
	299	if (debconfver.empty() == true)
	300	return _error->Error( _("Cannot get debconf version. Is debconf installed?"));
3fc8f685	301
234edfd0	302	// Process each package passsed in
5cbf1b49	303	for (unsigned int I = 0; I != CmdL.FileSize(); I++)
3fc8f685	304	{
7e726255	305	// Will pick up the errors later..
5cbf1b49	306	DebFile file(CmdL.FileList[I]);
7e726255	307	if (file.Go() == false)
08945efa AL	308	{
	309	_error->Error("Prior errors apply to %s",CmdL.FileList[I]);
	310	continue;
	311	}
	312
234edfd0	313	// Does the package have templates?
3fc8f685 AL	314	if (file.Template != 0 && file.ParseInfo() == true)
3fc8f685 AL	315	{
234edfd0 AL	316	// Check to make sure debconf dependencies are
234edfd0 AL	317	// satisfied
f034a64a	318	// cout << "Check " << file.DepVer << ',' << debconfver << endl;
234edfd0	319	if (file.DepVer != "" &&
418349f0 AL	320	DebFile::Cache->VS->CheckDep(debconfver.c_str(),
	321	file.DepOp,file.DepVer.c_str()
	322	) == false)
3fc8f685	323	continue;
234edfd0	324	if (file.PreDepVer != "" &&
418349f0 AL	325	DebFile::Cache->VS->CheckDep(debconfver.c_str(),
	326	file.PreDepOp,file.PreDepVer.c_str()
	327	) == false)
3fc8f685 AL	328	continue;
3fc8f685 AL	329
234edfd0	330	WriteConfig(file);
3fc8f685 AL	331	}
	332	}
	333
	334
	335	delete Map;
	336	delete DebFile::Cache;
7e726255 AL	337
	338	return !_error->PendingError();
	339	}
	340	/}}}/
92fcbfc1	341	int main(int argc, const char *argv) /{{{*/
7e726255 AL	342	{
	343	CommandLine::Args Args[] = {
	344	{'h',"help","help",0},
	345	{'v',"version","version",0},
	346	{'t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg},
	347	{'c',"config-file",0,CommandLine::ConfigFile},
	348	{'o',"option",0,CommandLine::ArbItem},
	349	{0,0,0,0}};
67111687 AL	350
	351	// Set up gettext support
	352	setlocale(LC_ALL,"");
	353	textdomain(PACKAGE);
	354
7e726255 AL	355	// Parse the command line and initialize the package library
	356	CommandLine CmdL(Args,_config);
	357	if (pkgInitConfig(*_config) == false \|\|
	358	CmdL.Parse(argc,argv) == false \|\|
	359	pkgInitSystem(*_config,_system) == false)
	360	{
	361	_error->DumpErrors();
	362	return 100;
	363	}
	364
	365	// See if the help should be shown
	366	if (_config->FindB("help") == true \|\|
	367	CmdL.FileSize() == 0)
	368	return ShowHelp();
	369
	370	Go(CmdL);
3fc8f685	371
7e726255 AL	372	// Print any errors or warnings found during operation
	373	if (_error->empty() == false)
	374	{
	375	// This goes to stderr..
	376	bool Errors = _error->PendingError();
	377	_error->DumpErrors();
	378	return Errors == true?100:0;
	379	}
	380
3fc8f685 AL	381	return 0;
3fc8f685 AL	382	}
92fcbfc1	383	/}}}/