[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/configuration.h>
#include <apt-pkg/progress.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/version.h>
#include <apt-pkg/tagfile.h>
#include <apt-pkg/extracttar.h>
#include <apt-pkg/arfile.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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <locale.h>

#include <fstream>

#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()
{
	ARArchive AR(File);
	if (_error->PendingError() == true)
		return false;
		
	const ARArchive::Member *Member = AR.FindMember("control.tar.gz");
	if (Member == 0)
		return _error->Error(_("%s not a valid DEB package."),File.Name().c_str());
	
	if (File.Seek(Member->Start) == false)
		return false;
	ExtractTar Tar(File, Member->Size,"gzip");
	return Tar.Go(*this);
}
									/*}}}*/
// 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					/*{{{*/
// ---------------------------------------------------------------------
/* */
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	/*{{{*/
// ---------------------------------------------------------------------
/* */
string WriteFile(const char *package, const char *prefix, const char *data)
{
	char fn[512];
	static int i;

        std::string tempdir = GetTempDir();
	snprintf(fn, sizeof(fn), "%s/%s.%s.%u%d",
                 _config->Find("APT::ExtractTemplates::TempDir", 
                               tempdir.c_str()).c_str(),
                 package, prefix, getpid(), i++);
	FileFd f;
	if (data == NULL)
		data = "";

	if (!f.Open(fn, FileFd::WriteTemp, 0600))
	{
		_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	/*{{{*/
// ---------------------------------------------------------------------
/* */
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				/*{{{*/
// ---------------------------------------------------------------------
/* */
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 AL	20	#include <apt-pkg/pkgcache.h>
	21	#include <apt-pkg/configuration.h>
	22	#include <apt-pkg/progress.h>
	23	#include <apt-pkg/sourcelist.h>
	24	#include <apt-pkg/pkgcachegen.h>
	25	#include <apt-pkg/version.h>
234edfd0 AL	26	#include <apt-pkg/tagfile.h>
	27	#include <apt-pkg/extracttar.h>
	28	#include <apt-pkg/arfile.h>
	29	#include <apt-pkg/deblistparser.h>
	30	#include <apt-pkg/error.h>
	31	#include <apt-pkg/strutl.h>
4decd43c	32	#include <apt-pkg/fileutl.h>
472ff00e	33	#include <apt-pkg/pkgsystem.h>
ea542140	34
234edfd0 AL	35	#include <stdio.h>
	36	#include <string.h>
	37	#include <stdlib.h>
	38	#include <unistd.h>
a00a9b44 DK	39	#include <locale.h>
a00a9b44 DK	40
7e726255	41	#include <fstream>
234edfd0	42
234edfd0	43	#include "apt-extracttemplates.h"
a00a9b44 DK	44
a00a9b44 DK	45	#include <apti18n.h>
7e726255	46	/}}}/
234edfd0	47
8f312f45 AL	48	using namespace std;
8f312f45 AL	49
234edfd0 AL	50	pkgCache *DebFile::Cache = 0;
	51
	52	// DebFile::DebFile - Construct the DebFile object /{{{/
	53	// ---------------------------------------------------------------------
	54	/* */
	55	DebFile::DebFile(const char *debfile)
dcaa1185 DK	56	: File(debfile, FileFd::ReadOnly), Size(0), Control(NULL), ControlLen(0),
dcaa1185 DK	57	DepOp(0), PreDepOp(0), Config(0), Template(0), Which(None)
3fc8f685	58	{
3fc8f685	59	}
234edfd0 AL	60	/}}}/
	61	// DebFile::~DebFile - Destruct the DebFile object /{{{/
	62	// ---------------------------------------------------------------------
	63	/* */
	64	DebFile::~DebFile()
	65	{
	66	delete [] Control;
	67	delete [] Config;
	68	delete [] Template;
	69	}
	70	/}}}/
	71	// DebFile::GetInstalledVer - Find out the installed version of a pkg /{{{/
	72	// ---------------------------------------------------------------------
	73	/* */
7e726255	74	string DebFile::GetInstalledVer(const string &package)
234edfd0	75	{
234edfd0 AL	76	pkgCache::PkgIterator Pkg = Cache->FindPkg(package);
	77	if (Pkg.end() == false)
	78	{
	79	pkgCache::VerIterator V = Pkg.CurrentVer();
7e726255	80	if (V.end() == false)
234edfd0	81	{
7e726255	82	return V.VerStr();
234edfd0 AL	83	}
234edfd0 AL	84	}
3fc8f685	85
7e726255	86	return string();
234edfd0 AL	87	}
	88	/}}}/
	89	// DebFile::Go - Start extracting a debian package /{{{/
	90	// ---------------------------------------------------------------------
	91	/* */
	92	bool DebFile::Go()
	93	{
	94	ARArchive AR(File);
7e726255 AL	95	if (_error->PendingError() == true)
	96	return false;
	97
234edfd0 AL	98	const ARArchive::Member *Member = AR.FindMember("control.tar.gz");
234edfd0 AL	99	if (Member == 0)
7e726255	100	return _error->Error(_("%s not a valid DEB package."),File.Name().c_str());
234edfd0 AL	101
234edfd0 AL	102	if (File.Seek(Member->Start) == false)
234edfd0	103	return false;
b21c0438	104	ExtractTar Tar(File, Member->Size,"gzip");
234edfd0 AL	105	return Tar.Go(*this);
	106	}
	107	/}}}/
	108	// DebFile::DoItem examine element in package and mark /{{{/
	109	// ---------------------------------------------------------------------
	110	/* */
	111	bool DebFile::DoItem(Item &I, int &Fd)
	112	{
	113	if (strcmp(I.Name, "control") == 0)
	114	{
	115	delete [] Control;
	116	Control = new char[I.Size+1];
	117	Control[I.Size] = 0;
	118	Which = IsControl;
	119	ControlLen = I.Size;
	120	// make it call the Process method below. this is so evil
	121	Fd = -2;
	122	}
	123	else if (strcmp(I.Name, "config") == 0)
	124	{
	125	delete [] Config;
	126	Config = new char[I.Size+1];
	127	Config[I.Size] = 0;
	128	Which = IsConfig;
	129	Fd = -2;
	130	}
	131	else if (strcmp(I.Name, "templates") == 0)
	132	{
	133	delete [] Template;
	134	Template = new char[I.Size+1];
	135	Template[I.Size] = 0;
	136	Which = IsTemplate;
	137	Fd = -2;
	138	}
	139	else
	140	{
7e726255	141	// Ignore it
234edfd0 AL	142	Fd = -1;
	143	}
	144	return true;
	145	}
	146	/}}}/
	147	// DebFile::Process examine element in package and copy /{{{/
	148	// ---------------------------------------------------------------------
	149	/* */
	150	bool DebFile::Process(Item &I, const unsigned char *data,
	151	unsigned long size, unsigned long pos)
	152	{
	153	switch (Which)
	154	{
	155	case IsControl:
	156	memcpy(Control + pos, data, size);
	157	break;
	158	case IsConfig:
	159	memcpy(Config + pos, data, size);
	160	break;
	161	case IsTemplate:
	162	memcpy(Template + pos, data, size);
	163	break;
	164	default: /* throw it away */ ;
	165	}
	166	return true;
	167	}
	168	/}}}/
	169	// DebFile::ParseInfo - Parse control file for dependency info /{{{/
	170	// ---------------------------------------------------------------------
	171	/* */
	172	bool DebFile::ParseInfo()
	173	{
	174	if (Control == NULL) return false;
7e726255	175
234edfd0 AL	176	pkgTagSection Section;
	177	Section.Scan(Control, ControlLen);
	178
	179	Package = Section.FindS("Package");
	180	Version = GetInstalledVer(Package);
	181
	182	const char Start, Stop;
	183	if (Section.Find("Depends", Start, Stop) == true)
	184	{
	185	while (1)
	186	{
	187	string P, V;
	188	unsigned int Op;
	189	Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
	190	if (Start == 0) return false;
	191	if (P == "debconf")
	192	{
	193	DepVer = V;
	194	DepOp = Op;
	195	break;
	196	}
	197	if (Start == Stop) break;
	198	}
	199	}
	200
	201	if (Section.Find("Pre-Depends", Start, Stop) == true)
	202	{
	203	while (1)
	204	{
	205	string P, V;
	206	unsigned int Op;
	207	Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
	208	if (Start == 0) return false;
	209	if (P == "debconf")
	210	{
	211	PreDepVer = V;
	212	PreDepOp = Op;
	213	break;
	214	}
	215	if (Start == Stop) break;
	216	}
	217	}
	218
	219	return true;
	220	}
	221	/}}}/
	222	// ShowHelp - show a short help text /{{{/
	223	// ---------------------------------------------------------------------
	224	/* */
7e726255	225	int ShowHelp(void)
234edfd0	226	{
9179f697	227	ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
5b28c804	228	COMMON_ARCH,__DATE__,__TIME__);
234edfd0	229
7e726255 AL	230	if (_config->FindB("version") == true)
7e726255 AL	231	return 0;
5cbf1b49	232
7e726255	233	cout <<
234edfd0 AL	234	_("Usage: apt-extracttemplates file1 [file2 ...]\n"
	235	"\n"
	236	"apt-extracttemplates is a tool to extract config and template info\n"
7e726255 AL	237	"from debian packages\n"
	238	"\n"
	239	"Options:\n"
	240	" -h This help text\n"
	241	" -t Set the temp dir\n"
	242	" -c=? Read this configuration file\n"
a2884e32	243	" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
7e726255	244	return 0;
234edfd0 AL	245	}
	246	/}}}/
	247	// WriteFile - write the contents of the passed string to a file /{{{/
	248	// ---------------------------------------------------------------------
	249	/* */
259ca596	250	string WriteFile(const char package, const char prefix, const char *data)
3fc8f685 AL	251	{
	252	char fn[512];
	253	static int i;
8eb5af51	254
68e01721	255	std::string tempdir = GetTempDir();
8eb5af51	256	snprintf(fn, sizeof(fn), "%s/%s.%s.%u%d",
68e01721 MV	257	_config->Find("APT::ExtractTemplates::TempDir",
68e01721 MV	258	tempdir.c_str()).c_str(),
8eb5af51	259	package, prefix, getpid(), i++);
4decd43c AL	260	FileFd f;
	261	if (data == NULL)
	262	data = "";
3fc8f685	263
4decd43c	264	if (!f.Open(fn, FileFd::WriteTemp, 0600))
7e726255 AL	265	{
	266	_error->Errno("ofstream::ofstream",_("Unable to write to %s"),fn);
	267	return string();
	268	}
	269
4decd43c AL	270	f.Write(data, strlen(data));
4decd43c AL	271	f.Close();
7e726255	272	return fn;
3fc8f685	273	}
234edfd0 AL	274	/}}}/
	275	// WriteConfig - write out the config data from a debian package file /{{{/
	276	// ---------------------------------------------------------------------
	277	/* */
	278	void WriteConfig(const DebFile &file)
3fc8f685	279	{
a5eef4f7 AL	280	string templatefile = WriteFile(file.Package.c_str(), "template", file.Template);
a5eef4f7 AL	281	string configscript = WriteFile(file.Package.c_str(), "config", file.Config);
3fc8f685	282
7e726255	283	if (templatefile.empty() == true \|\| configscript.empty() == true)
3fc8f685	284	return;
234edfd0 AL	285	cout << file.Package << " " << file.Version << " "
234edfd0 AL	286	<< templatefile << " " << configscript << endl;
234edfd0 AL	287	}
	288	/}}}/
	289	// InitCache - initialize the package cache /{{{/
	290	// ---------------------------------------------------------------------
	291	/* */
7e726255 AL	292	bool Go(CommandLine &CmdL)
7e726255 AL	293	{
3fc8f685	294	// Initialize the apt cache
7e726255	295	MMap *Map = 0;
3fc8f685 AL	296	pkgSourceList List;
3fc8f685 AL	297	List.ReadMainList();
ea4b220b	298	pkgCacheGenerator::MakeStatusCache(List,NULL,&Map,true);
08945efa AL	299	if (Map == 0)
08945efa AL	300	return false;
7e726255 AL	301	DebFile::Cache = new pkgCache(Map);
	302	if (_error->PendingError() == true)
	303	return false;
5cbf1b49	304
234edfd0	305	// Find out what version of debconf is currently installed
7e726255 AL	306	string debconfver = DebFile::GetInstalledVer("debconf");
	307	if (debconfver.empty() == true)
	308	return _error->Error( _("Cannot get debconf version. Is debconf installed?"));
3fc8f685	309
234edfd0	310	// Process each package passsed in
5cbf1b49	311	for (unsigned int I = 0; I != CmdL.FileSize(); I++)
3fc8f685	312	{
7e726255	313	// Will pick up the errors later..
5cbf1b49	314	DebFile file(CmdL.FileList[I]);
7e726255	315	if (file.Go() == false)
08945efa AL	316	{
	317	_error->Error("Prior errors apply to %s",CmdL.FileList[I]);
	318	continue;
	319	}
	320
234edfd0	321	// Does the package have templates?
3fc8f685 AL	322	if (file.Template != 0 && file.ParseInfo() == true)
3fc8f685 AL	323	{
234edfd0 AL	324	// Check to make sure debconf dependencies are
234edfd0 AL	325	// satisfied
f034a64a	326	// cout << "Check " << file.DepVer << ',' << debconfver << endl;
234edfd0	327	if (file.DepVer != "" &&
418349f0 AL	328	DebFile::Cache->VS->CheckDep(debconfver.c_str(),
	329	file.DepOp,file.DepVer.c_str()
	330	) == false)
3fc8f685	331	continue;
234edfd0	332	if (file.PreDepVer != "" &&
418349f0 AL	333	DebFile::Cache->VS->CheckDep(debconfver.c_str(),
	334	file.PreDepOp,file.PreDepVer.c_str()
	335	) == false)
3fc8f685 AL	336	continue;
3fc8f685 AL	337
234edfd0	338	WriteConfig(file);
3fc8f685 AL	339	}
	340	}
	341
	342
	343	delete Map;
	344	delete DebFile::Cache;
7e726255 AL	345
	346	return !_error->PendingError();
	347	}
	348	/}}}/
92fcbfc1	349	int main(int argc, const char *argv) /{{{*/
7e726255 AL	350	{
	351	CommandLine::Args Args[] = {
	352	{'h',"help","help",0},
	353	{'v',"version","version",0},
	354	{'t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg},
	355	{'c',"config-file",0,CommandLine::ConfigFile},
	356	{'o',"option",0,CommandLine::ArbItem},
	357	{0,0,0,0}};
67111687 AL	358
	359	// Set up gettext support
	360	setlocale(LC_ALL,"");
	361	textdomain(PACKAGE);
	362
7e726255 AL	363	// Parse the command line and initialize the package library
	364	CommandLine CmdL(Args,_config);
	365	if (pkgInitConfig(*_config) == false \|\|
	366	CmdL.Parse(argc,argv) == false \|\|
	367	pkgInitSystem(*_config,_system) == false)
	368	{
	369	_error->DumpErrors();
	370	return 100;
	371	}
	372
	373	// See if the help should be shown
	374	if (_config->FindB("help") == true \|\|
	375	CmdL.FileSize() == 0)
	376	return ShowHelp();
	377
	378	Go(CmdL);
3fc8f685	379
7e726255 AL	380	// Print any errors or warnings found during operation
	381	if (_error->empty() == false)
	382	{
	383	// This goes to stderr..
	384	bool Errors = _error->PendingError();
	385	_error->DumpErrors();
	386	return Errors == true?100:0;
	387	}
	388
3fc8f685 AL	389	return 0;
3fc8f685 AL	390	}
92fcbfc1	391	/}}}/