[ntk/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+3];
		Control[I.Size] = '\n';
		Control[I.Size + 1] = '\n';
		Control[I.Size + 2] = '\0';
		Which = IsControl;
		ControlLen = I.Size + 3;
		// 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;
	if (Section.Scan(Control, ControlLen) == false)
		return false;

	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;
8710a36a DK	106	Control = new char[I.Size+3];
	107	Control[I.Size] = '\n';
	108	Control[I.Size + 1] = '\n';
	109	Control[I.Size + 2] = '\0';
234edfd0	110	Which = IsControl;
8710a36a	111	ControlLen = I.Size + 3;
234edfd0 AL	112	// make it call the Process method below. this is so evil
	113	Fd = -2;
	114	}
	115	else if (strcmp(I.Name, "config") == 0)
	116	{
	117	delete [] Config;
	118	Config = new char[I.Size+1];
	119	Config[I.Size] = 0;
	120	Which = IsConfig;
	121	Fd = -2;
	122	}
	123	else if (strcmp(I.Name, "templates") == 0)
	124	{
	125	delete [] Template;
	126	Template = new char[I.Size+1];
	127	Template[I.Size] = 0;
	128	Which = IsTemplate;
	129	Fd = -2;
	130	}
	131	else
	132	{
7e726255	133	// Ignore it
234edfd0 AL	134	Fd = -1;
	135	}
	136	return true;
	137	}
	138	/}}}/
	139	// DebFile::Process examine element in package and copy /{{{/
	140	// ---------------------------------------------------------------------
	141	/* */
65512241	142	bool DebFile::Process(Item &/I/, const unsigned char *data,
234edfd0 AL	143	unsigned long size, unsigned long pos)
	144	{
	145	switch (Which)
	146	{
	147	case IsControl:
	148	memcpy(Control + pos, data, size);
	149	break;
	150	case IsConfig:
	151	memcpy(Config + pos, data, size);
	152	break;
	153	case IsTemplate:
	154	memcpy(Template + pos, data, size);
	155	break;
	156	default: /* throw it away */ ;
	157	}
	158	return true;
	159	}
	160	/}}}/
	161	// DebFile::ParseInfo - Parse control file for dependency info /{{{/
	162	// ---------------------------------------------------------------------
	163	/* */
	164	bool DebFile::ParseInfo()
	165	{
	166	if (Control == NULL) return false;
8710a36a	167
234edfd0	168	pkgTagSection Section;
8710a36a DK	169	if (Section.Scan(Control, ControlLen) == false)
8710a36a DK	170	return false;
234edfd0 AL	171
	172	Package = Section.FindS("Package");
	173	Version = GetInstalledVer(Package);
	174
	175	const char Start, Stop;
	176	if (Section.Find("Depends", Start, Stop) == true)
	177	{
	178	while (1)
	179	{
	180	string P, V;
	181	unsigned int Op;
	182	Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
	183	if (Start == 0) return false;
	184	if (P == "debconf")
	185	{
	186	DepVer = V;
	187	DepOp = Op;
	188	break;
	189	}
	190	if (Start == Stop) break;
	191	}
	192	}
	193
	194	if (Section.Find("Pre-Depends", Start, Stop) == true)
	195	{
	196	while (1)
	197	{
	198	string P, V;
	199	unsigned int Op;
	200	Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
	201	if (Start == 0) return false;
	202	if (P == "debconf")
	203	{
	204	PreDepVer = V;
	205	PreDepOp = Op;
	206	break;
	207	}
	208	if (Start == Stop) break;
	209	}
	210	}
	211
	212	return true;
	213	}
	214	/}}}/
	215	// ShowHelp - show a short help text /{{{/
	216	// ---------------------------------------------------------------------
	217	/* */
c3ccac92	218	static int ShowHelp(void)
234edfd0	219	{
9179f697	220	ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
5b28c804	221	COMMON_ARCH,__DATE__,__TIME__);
234edfd0	222
7e726255 AL	223	if (_config->FindB("version") == true)
7e726255 AL	224	return 0;
5cbf1b49	225
7e726255	226	cout <<
234edfd0 AL	227	_("Usage: apt-extracttemplates file1 [file2 ...]\n"
	228	"\n"
	229	"apt-extracttemplates is a tool to extract config and template info\n"
7e726255 AL	230	"from debian packages\n"
	231	"\n"
	232	"Options:\n"
	233	" -h This help text\n"
	234	" -t Set the temp dir\n"
	235	" -c=? Read this configuration file\n"
a2884e32	236	" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
7e726255	237	return 0;
234edfd0 AL	238	}
	239	/}}}/
	240	// WriteFile - write the contents of the passed string to a file /{{{/
	241	// ---------------------------------------------------------------------
	242	/* */
c3ccac92	243	static string WriteFile(const char package, const char prefix, const char *data)
3fc8f685 AL	244	{
3fc8f685 AL	245	char fn[512];
8eb5af51	246
68e01721	247	std::string tempdir = GetTempDir();
8d50b63f	248	snprintf(fn, sizeof(fn), "%s/%s.%s.XXXXXX",
68e01721 MV	249	_config->Find("APT::ExtractTemplates::TempDir",
68e01721 MV	250	tempdir.c_str()).c_str(),
8d50b63f	251	package, prefix);
4decd43c AL	252	FileFd f;
	253	if (data == NULL)
	254	data = "";
8d50b63f MV	255	int fd = mkstemp(fn);
	256	if (fd < 0) {
	257	_error->Errno("ofstream::ofstream",_("Unable to mkstemp %s"),fn);
	258	return string();
	259	}
	260	if (!f.OpenDescriptor(fd, FileFd::WriteOnly, FileFd::None, true))
7e726255 AL	261	{
	262	_error->Errno("ofstream::ofstream",_("Unable to write to %s"),fn);
	263	return string();
	264	}
4decd43c AL	265	f.Write(data, strlen(data));
4decd43c AL	266	f.Close();
7e726255	267	return fn;
3fc8f685	268	}
234edfd0 AL	269	/}}}/
	270	// WriteConfig - write out the config data from a debian package file /{{{/
	271	// ---------------------------------------------------------------------
	272	/* */
c3ccac92	273	static void WriteConfig(const DebFile &file)
3fc8f685	274	{
a5eef4f7 AL	275	string templatefile = WriteFile(file.Package.c_str(), "template", file.Template);
a5eef4f7 AL	276	string configscript = WriteFile(file.Package.c_str(), "config", file.Config);
3fc8f685	277
7e726255	278	if (templatefile.empty() == true \|\| configscript.empty() == true)
3fc8f685	279	return;
234edfd0 AL	280	cout << file.Package << " " << file.Version << " "
234edfd0 AL	281	<< templatefile << " " << configscript << endl;
234edfd0 AL	282	}
	283	/}}}/
	284	// InitCache - initialize the package cache /{{{/
	285	// ---------------------------------------------------------------------
	286	/* */
c3ccac92	287	static bool Go(CommandLine &CmdL)
7e726255	288	{
3fc8f685	289	// Initialize the apt cache
7e726255	290	MMap *Map = 0;
3fc8f685 AL	291	pkgSourceList List;
3fc8f685 AL	292	List.ReadMainList();
ea4b220b	293	pkgCacheGenerator::MakeStatusCache(List,NULL,&Map,true);
08945efa AL	294	if (Map == 0)
08945efa AL	295	return false;
7e726255 AL	296	DebFile::Cache = new pkgCache(Map);
	297	if (_error->PendingError() == true)
	298	return false;
5cbf1b49	299
234edfd0	300	// Find out what version of debconf is currently installed
7e726255 AL	301	string debconfver = DebFile::GetInstalledVer("debconf");
	302	if (debconfver.empty() == true)
	303	return _error->Error( _("Cannot get debconf version. Is debconf installed?"));
3fc8f685	304
234edfd0	305	// Process each package passsed in
5cbf1b49	306	for (unsigned int I = 0; I != CmdL.FileSize(); I++)
3fc8f685	307	{
7e726255	308	// Will pick up the errors later..
5cbf1b49	309	DebFile file(CmdL.FileList[I]);
7e726255	310	if (file.Go() == false)
08945efa AL	311	{
	312	_error->Error("Prior errors apply to %s",CmdL.FileList[I]);
	313	continue;
	314	}
	315
234edfd0	316	// Does the package have templates?
3fc8f685 AL	317	if (file.Template != 0 && file.ParseInfo() == true)
3fc8f685 AL	318	{
234edfd0 AL	319	// Check to make sure debconf dependencies are
234edfd0 AL	320	// satisfied
f034a64a	321	// cout << "Check " << file.DepVer << ',' << debconfver << endl;
234edfd0	322	if (file.DepVer != "" &&
418349f0 AL	323	DebFile::Cache->VS->CheckDep(debconfver.c_str(),
	324	file.DepOp,file.DepVer.c_str()
	325	) == false)
3fc8f685	326	continue;
234edfd0	327	if (file.PreDepVer != "" &&
418349f0 AL	328	DebFile::Cache->VS->CheckDep(debconfver.c_str(),
	329	file.PreDepOp,file.PreDepVer.c_str()
	330	) == false)
3fc8f685 AL	331	continue;
3fc8f685 AL	332
234edfd0	333	WriteConfig(file);
3fc8f685 AL	334	}
	335	}
	336
	337
	338	delete Map;
	339	delete DebFile::Cache;
7e726255 AL	340
	341	return !_error->PendingError();
	342	}
	343	/}}}/
92fcbfc1	344	int main(int argc, const char *argv) /{{{*/
7e726255 AL	345	{
	346	CommandLine::Args Args[] = {
	347	{'h',"help","help",0},
	348	{'v',"version","version",0},
	349	{'t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg},
	350	{'c',"config-file",0,CommandLine::ConfigFile},
	351	{'o',"option",0,CommandLine::ArbItem},
	352	{0,0,0,0}};
67111687 AL	353
	354	// Set up gettext support
	355	setlocale(LC_ALL,"");
	356	textdomain(PACKAGE);
	357
7e726255 AL	358	// Parse the command line and initialize the package library
	359	CommandLine CmdL(Args,_config);
	360	if (pkgInitConfig(*_config) == false \|\|
	361	CmdL.Parse(argc,argv) == false \|\|
	362	pkgInitSystem(*_config,_system) == false)
	363	{
	364	_error->DumpErrors();
	365	return 100;
	366	}
	367
	368	// See if the help should be shown
	369	if (_config->FindB("help") == true \|\|
	370	CmdL.FileSize() == 0)
	371	return ShowHelp();
	372
	373	Go(CmdL);
3fc8f685	374
7e726255 AL	375	// Print any errors or warnings found during operation
	376	if (_error->empty() == false)
	377	{
	378	// This goes to stderr..
	379	bool Errors = _error->PendingError();
	380	_error->DumpErrors();
	381	return Errors == true?100:0;
	382	}
	383
3fc8f685 AL	384	return 0;
3fc8f685 AL	385	}
92fcbfc1	386	/}}}/