[apt.git] / apt-private / private-download.cc

// Include Files							/*{{{*/
#include <config.h>

#include <apt-pkg/acquire.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/cacheset.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/clean.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/strutl.h>

#include <apt-private/private-cachefile.h>
#include <apt-private/private-download.h>
#include <apt-private/private-output.h>
#include <apt-private/private-utils.h>
#include <apt-private/acqprogress.h>

#include <fstream>
#include <string>
#include <vector>

#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <fcntl.h>
#include <sys/vfs.h>
#include <sys/statvfs.h>
#include <errno.h>

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

// CheckAuth - check if each download comes form a trusted source	/*{{{*/
bool CheckAuth(pkgAcquire& Fetcher, bool const PromptUser)
{
   std::vector<std::string> UntrustedList;
   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd(); ++I)
      if (!(*I)->IsTrusted())
	 UntrustedList.push_back((*I)->ShortDesc());

   if (UntrustedList.empty())
      return true;

   return AuthPrompt(UntrustedList, PromptUser);
}
									/*}}}*/
bool AuthPrompt(std::vector<std::string> const &UntrustedList, bool const PromptUser)/*{{{*/
{
   ShowList(c2out,_("WARNING: The following packages cannot be authenticated!"), UntrustedList,
	 [](std::string const&) { return true; },
	 [](std::string const&str) { return str; },
	 [](std::string const&) { return ""; });

   if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
   {
      c2out << _("Authentication warning overridden.\n");
      return true;
   }

   if (PromptUser == false)
      return _error->Error(_("Some packages could not be authenticated"));

   if (_config->FindI("quiet",0) < 2
       && _config->FindB("APT::Get::Assume-Yes",false) == false)
   {
      c2out << _("Install these packages without verification?") << std::flush;
      if (!YnPrompt(false))
         return _error->Error(_("Some packages could not be authenticated"));

      return true;
   }
   else if (_config->FindB("APT::Get::Force-Yes",false) == true) {
      _error->Warning(_("--force-yes is deprecated, use one of the options starting with --allow instead."));
      return true;
   }

   return _error->Error(_("There were unauthenticated packages and -y was used without --allow-unauthenticated"));
}
									/*}}}*/
bool AcquireRun(pkgAcquire &Fetcher, int const PulseInterval, bool * const Failure, bool * const TransientNetworkFailure)/*{{{*/
{
   pkgAcquire::RunResult res;
   if(PulseInterval > 0)
      res = Fetcher.Run(PulseInterval);
   else
      res = Fetcher.Run();

   if (res == pkgAcquire::Failed)
      return false;

   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin();
	I != Fetcher.ItemsEnd(); ++I)
   {

      if ((*I)->Status == pkgAcquire::Item::StatDone &&
	    (*I)->Complete == true)
	 continue;

      if (TransientNetworkFailure != NULL && (*I)->Status == pkgAcquire::Item::StatIdle)
      {
	 *TransientNetworkFailure = true;
	 continue;
      }

      ::URI uri((*I)->DescURI());
      uri.User.clear();
      uri.Password.clear();
      std::string descUri = std::string(uri);
      _error->Error(_("Failed to fetch %s  %s\n"), descUri.c_str(),
	    (*I)->ErrorText.c_str());

      if (Failure != NULL)
	 *Failure = true;
   }

   return true;
}
									/*}}}*/
bool CheckFreeSpaceBeforeDownload(std::string const &Dir, unsigned long long FetchBytes)/*{{{*/
{
   uint32_t const RAMFS_MAGIC = 0x858458f6;
   /* Check for enough free space, but only if we are actually going to
      download */
   if (_config->FindB("APT::Get::Print-URIs", false) == true ||
       _config->FindB("APT::Get::Download", true) == false)
      return true;

   struct statvfs Buf;
   if (statvfs(Dir.c_str(),&Buf) != 0) {
      if (errno == EOVERFLOW)
	 return _error->WarningE("statvfs",_("Couldn't determine free space in %s"),
	       Dir.c_str());
      else
	 return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
	       Dir.c_str());
   }
   else
   {
      unsigned long long const FreeBlocks = _config->Find("APT::Sandbox::User").empty() ? Buf.f_bfree : Buf.f_bavail;
      if (FreeBlocks < (FetchBytes / Buf.f_bsize))
      {
	 struct statfs Stat;
	 if (statfs(Dir.c_str(),&Stat) != 0
#if HAVE_STRUCT_STATFS_F_TYPE
	       || Stat.f_type != RAMFS_MAGIC
#endif
	    )
	    return _error->Error(_("You don't have enough free space in %s."),
		  Dir.c_str());
      }
   }
   return true;
}
									/*}}}*/

aptAcquireWithTextStatus::aptAcquireWithTextStatus() : pkgAcquire::pkgAcquire(),
   Stat(std::cout, ScreenWidth, _config->FindI("quiet",0))
{
   SetLog(&Stat);
}

// DoDownload - download a binary					/*{{{*/
bool DoDownload(CommandLine &CmdL)
{
   CacheFile Cache;
   if (Cache.ReadOnlyOpen() == false)
      return false;

   APT::CacheSetHelper helper;
   APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache,
		CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);

   if (verset.empty() == true)
      return false;

   pkgRecords Recs(Cache);
   pkgSourceList *SrcList = Cache.GetSourceList();

   // reuse the usual acquire methods for deb files, but don't drop them into
   // the usual directories - keep everything in the current directory
   aptAcquireWithTextStatus Fetcher;
   std::vector<std::string> storefile(verset.size());
   std::string const cwd = SafeGetCWD();
   _config->Set("Dir::Cache::Archives", cwd);
   int i = 0;
   for (APT::VersionSet::const_iterator Ver = verset.begin();
	 Ver != verset.end(); ++Ver, ++i)
   {
      pkgAcquire::Item *I = new pkgAcqArchive(&Fetcher, SrcList, &Recs, *Ver, storefile[i]);
      if (storefile[i].empty())
	 continue;
      std::string const filename = cwd + flNotDir(storefile[i]);
      storefile[i].assign(filename);
      I->DestFile.assign(filename);
   }

   // Just print out the uris and exit if the --print-uris flag was used
   if (_config->FindB("APT::Get::Print-URIs") == true)
   {
      pkgAcquire::UriIterator I = Fetcher.UriBegin();
      for (; I != Fetcher.UriEnd(); ++I)
	 std::cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile)  << ' ' <<
	       I->Owner->FileSize << ' ' << I->Owner->HashSum() << std::endl;
      return true;
   }

   if (_error->PendingError() == true || CheckAuth(Fetcher, false) == false)
      return false;

   bool Failed = false;
   if (AcquireRun(Fetcher, 0, &Failed, NULL) == false)
      return false;

   // copy files in local sources to the current directory
   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
   {
      std::string const filename = cwd + flNotDir((*I)->DestFile);
      if ((*I)->Local == true &&
          filename != (*I)->DestFile &&
          (*I)->Status == pkgAcquire::Item::StatDone)
      {
	 std::ifstream src((*I)->DestFile.c_str(), std::ios::binary);
	 std::ofstream dst(filename.c_str(), std::ios::binary);
	 dst << src.rdbuf();
      }
   }
   return Failed == false;
}
									/*}}}*/
// DoChangelog - Get changelog from the command line			/*{{{*/
bool DoChangelog(CommandLine &CmdL)
{
   CacheFile Cache;
   if (Cache.ReadOnlyOpen() == false)
      return false;

   APT::CacheSetHelper helper;
   APT::VersionList verset = APT::VersionList::FromCommandLine(Cache,
		CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
   if (verset.empty() == true)
      return false;

   bool const downOnly = _config->FindB("APT::Get::Download-Only", false);
   bool const printOnly = _config->FindB("APT::Get::Print-URIs", false);

   aptAcquireWithTextStatus Fetcher;
   for (APT::VersionList::const_iterator Ver = verset.begin();
        Ver != verset.end();
        ++Ver)
   {
      if (printOnly)
	 new pkgAcqChangelog(&Fetcher, Ver, "/dev/null");
      else if (downOnly)
	 new pkgAcqChangelog(&Fetcher, Ver, ".");
      else
	 new pkgAcqChangelog(&Fetcher, Ver);
   }

   if (printOnly == false)
   {
      bool Failed = false;
      if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)
	 return false;
   }

   if (downOnly == false || printOnly == true)
   {
      bool Failed = false;
      for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
      {
	 if (printOnly)
	 {
	    if ((*I)->ErrorText.empty() == false)
	    {
	       Failed = true;
	       _error->Error("%s", (*I)->ErrorText.c_str());
	    }
	    else
	       std::cout << '\'' << (*I)->DescURI() << "' " << flNotDir((*I)->DestFile)  << std::endl;
	 }
	 else
	    DisplayFileInPager((*I)->DestFile);
      }
      return Failed == false;
   }

   return true;
}
									/*}}}*/

// DoClean - Remove download archives					/*{{{*/
bool DoClean(CommandLine &)
{
   std::string const archivedir = _config->FindDir("Dir::Cache::archives");
   std::string const listsdir = _config->FindDir("Dir::state::lists");

   if (_config->FindB("APT::Get::Simulate") == true)
   {
      std::string const pkgcache = _config->FindFile("Dir::cache::pkgcache");
      std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache");
      std::cout << "Del " << archivedir << "* " << archivedir << "partial/*"<< std::endl
	   << "Del " << listsdir << "partial/*" << std::endl
	   << "Del " << pkgcache << " " << srcpkgcache << std::endl;
      return true;
   }

   pkgAcquire Fetcher;
   Fetcher.GetLock(archivedir);
   Fetcher.Clean(archivedir);
   Fetcher.Clean(archivedir + "partial/");

   Fetcher.GetLock(listsdir);
   Fetcher.Clean(listsdir + "partial/");

   pkgCacheFile::RemoveCaches();

   return true;
}
									/*}}}*/
// DoAutoClean - Smartly remove downloaded archives			/*{{{*/
// ---------------------------------------------------------------------
/* This is similar to clean but it only purges things that cannot be 
   downloaded, that is old versions of cached packages. */
 class LogCleaner : public pkgArchiveCleaner
{
   protected:
      virtual void Erase(const char *File, std::string Pkg, std::string Ver,struct stat &St) APT_OVERRIDE
      {
	 c1out << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "B]" << std::endl;

	 if (_config->FindB("APT::Get::Simulate") == false)
	    unlink(File);
      };
};
bool DoAutoClean(CommandLine &)
{
   // Lock the archive directory
   FileFd Lock;
   if (_config->FindB("Debug::NoLocking",false) == false)
   {
      int lock_fd = GetLock(_config->FindDir("Dir::Cache::Archives") + "lock");
      if (lock_fd < 0)
	 return _error->Error(_("Unable to lock the download directory"));
      Lock.Fd(lock_fd);
   }

   CacheFile Cache;
   if (Cache.Open() == false)
      return false;

   LogCleaner Cleaner;

   return Cleaner.Go(_config->FindDir("Dir::Cache::archives"),*Cache) &&
      Cleaner.Go(_config->FindDir("Dir::Cache::archives") + "partial/",*Cache);
}
									/*}}}*/
Commit	Line	Data
866893a6 DK	1	// Include Files /{{{/
	2	#include <config.h>
	3
	4	#include <apt-pkg/acquire.h>
	5	#include <apt-pkg/acquire-item.h>
9055d5e6 DK	6	#include <apt-pkg/cacheset.h>
	7	#include <apt-pkg/cmndline.h>
	8	#include <apt-pkg/clean.h>
866893a6 DK	9	#include <apt-pkg/configuration.h>
866893a6 DK	10	#include <apt-pkg/error.h>
460601d5	11	#include <apt-pkg/fileutl.h>
866893a6 DK	12	#include <apt-pkg/strutl.h>
866893a6 DK	13
9055d5e6	14	#include <apt-private/private-cachefile.h>
453b82a3	15	#include <apt-private/private-download.h>
9055d5e6 DK	16	#include <apt-private/private-output.h>
9055d5e6 DK	17	#include <apt-private/private-utils.h>
2b0660b5	18	#include <apt-private/acqprogress.h>
866893a6 DK	19
	20	#include <fstream>
	21	#include <string>
	22	#include <vector>
	23
460601d5 DK	24	#include <unistd.h>
	25	#include <sys/types.h>
	26	#include <pwd.h>
	27	#include <fcntl.h>
9c81f8de DK	28	#include <sys/vfs.h>
	29	#include <sys/statvfs.h>
	30	#include <errno.h>
460601d5	31
866893a6 DK	32	#include <apti18n.h>
	33	/}}}/
	34
	35	// CheckAuth - check if each download comes form a trusted source /{{{/
	36	bool CheckAuth(pkgAcquire& Fetcher, bool const PromptUser)
	37	{
9112f777	38	std::vector<std::string> UntrustedList;
866893a6 DK	39	for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd(); ++I)
866893a6 DK	40	if (!(*I)->IsTrusted())
9112f777	41	UntrustedList.push_back((*I)->ShortDesc());
866893a6	42
9112f777	43	if (UntrustedList.empty())
866893a6 DK	44	return true;
866893a6 DK	45
a3f1d60c MV	46	return AuthPrompt(UntrustedList, PromptUser);
a3f1d60c MV	47	}
2b0660b5 DK	48	/}}}/
2b0660b5 DK	49	bool AuthPrompt(std::vector<std::string> const &UntrustedList, bool const PromptUser)/{{{/
a3f1d60c	50	{
9112f777 DK	51	ShowList(c2out,_("WARNING: The following packages cannot be authenticated!"), UntrustedList,
	52	[](std::string const&) { return true; },
	53	[](std::string const&str) { return str; },
	54	[](std::string const&) { return ""; });
866893a6 DK	55
	56	if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
	57	{
	58	c2out << _("Authentication warning overridden.\n");
	59	return true;
	60	}
	61
	62	if (PromptUser == false)
	63	return _error->Error(_("Some packages could not be authenticated"));
	64
	65	if (_config->FindI("quiet",0) < 2
	66	&& _config->FindB("APT::Get::Assume-Yes",false) == false)
	67	{
	68	c2out << _("Install these packages without verification?") << std::flush;
	69	if (!YnPrompt(false))
	70	return _error->Error(_("Some packages could not be authenticated"));
	71
	72	return true;
	73	}
b381a482 JAK	74	else if (_config->FindB("APT::Get::Force-Yes",false) == true) {
b381a482 JAK	75	_error->Warning(_("--force-yes is deprecated, use one of the options starting with --allow instead."));
866893a6	76	return true;
b381a482	77	}
866893a6	78
b381a482	79	return _error->Error(_("There were unauthenticated packages and -y was used without --allow-unauthenticated"));
866893a6 DK	80	}
	81	/}}}/
	82	bool AcquireRun(pkgAcquire &Fetcher, int const PulseInterval, bool * const Failure, bool * const TransientNetworkFailure)/{{{/
	83	{
	84	pkgAcquire::RunResult res;
	85	if(PulseInterval > 0)
	86	res = Fetcher.Run(PulseInterval);
	87	else
	88	res = Fetcher.Run();
	89
	90	if (res == pkgAcquire::Failed)
	91	return false;
	92
	93	for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin();
	94	I != Fetcher.ItemsEnd(); ++I)
	95	{
	96
	97	if ((*I)->Status == pkgAcquire::Item::StatDone &&
	98	(*I)->Complete == true)
	99	continue;
	100
	101	if (TransientNetworkFailure != NULL && (*I)->Status == pkgAcquire::Item::StatIdle)
	102	{
	103	*TransientNetworkFailure = true;
	104	continue;
	105	}
	106
	107	::URI uri((*I)->DescURI());
	108	uri.User.clear();
	109	uri.Password.clear();
	110	std::string descUri = std::string(uri);
	111	_error->Error(_("Failed to fetch %s %s\n"), descUri.c_str(),
	112	(*I)->ErrorText.c_str());
	113
	114	if (Failure != NULL)
	115	*Failure = true;
	116	}
	117
	118	return true;
	119	}
	120	/}}}/
9c81f8de DK	121	bool CheckFreeSpaceBeforeDownload(std::string const &Dir, unsigned long long FetchBytes)/{{{/
	122	{
	123	uint32_t const RAMFS_MAGIC = 0x858458f6;
	124	/* Check for enough free space, but only if we are actually going to
	125	download */
	126	if (_config->FindB("APT::Get::Print-URIs", false) == true \|\|
	127	_config->FindB("APT::Get::Download", true) == false)
	128	return true;
	129
	130	struct statvfs Buf;
	131	if (statvfs(Dir.c_str(),&Buf) != 0) {
	132	if (errno == EOVERFLOW)
	133	return _error->WarningE("statvfs",_("Couldn't determine free space in %s"),
	134	Dir.c_str());
	135	else
	136	return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
	137	Dir.c_str());
	138	}
	139	else
	140	{
	141	unsigned long long const FreeBlocks = _config->Find("APT::Sandbox::User").empty() ? Buf.f_bfree : Buf.f_bavail;
	142	if (FreeBlocks < (FetchBytes / Buf.f_bsize))
	143	{
	144	struct statfs Stat;
	145	if (statfs(Dir.c_str(),&Stat) != 0
	146	#if HAVE_STRUCT_STATFS_F_TYPE
	147	\|\| Stat.f_type != RAMFS_MAGIC
	148	#endif
	149	)
	150	return _error->Error(_("You don't have enough free space in %s."),
	151	Dir.c_str());
	152	}
	153	}
	154	return true;
	155	}
	156	/}}}/
2b0660b5 DK	157
	158	aptAcquireWithTextStatus::aptAcquireWithTextStatus() : pkgAcquire::pkgAcquire(),
	159	Stat(std::cout, ScreenWidth, _config->FindI("quiet",0))
	160	{
	161	SetLog(&Stat);
	162	}
9055d5e6 DK	163
	164	// DoDownload - download a binary /{{{/
	165	bool DoDownload(CommandLine &CmdL)
	166	{
	167	CacheFile Cache;
	168	if (Cache.ReadOnlyOpen() == false)
	169	return false;
	170
	171	APT::CacheSetHelper helper;
	172	APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache,
	173	CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
	174
	175	if (verset.empty() == true)
	176	return false;
	177
	178	pkgRecords Recs(Cache);
	179	pkgSourceList *SrcList = Cache.GetSourceList();
	180
	181	// reuse the usual acquire methods for deb files, but don't drop them into
	182	// the usual directories - keep everything in the current directory
	183	aptAcquireWithTextStatus Fetcher;
	184	std::vector<std::string> storefile(verset.size());
	185	std::string const cwd = SafeGetCWD();
	186	_config->Set("Dir::Cache::Archives", cwd);
	187	int i = 0;
	188	for (APT::VersionSet::const_iterator Ver = verset.begin();
	189	Ver != verset.end(); ++Ver, ++i)
	190	{
	191	pkgAcquire::Item I = new pkgAcqArchive(&Fetcher, SrcList, &Recs, Ver, storefile[i]);
	192	if (storefile[i].empty())
	193	continue;
	194	std::string const filename = cwd + flNotDir(storefile[i]);
	195	storefile[i].assign(filename);
	196	I->DestFile.assign(filename);
	197	}
	198
	199	// Just print out the uris and exit if the --print-uris flag was used
	200	if (_config->FindB("APT::Get::Print-URIs") == true)
	201	{
	202	pkgAcquire::UriIterator I = Fetcher.UriBegin();
	203	for (; I != Fetcher.UriEnd(); ++I)
	204	std::cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' <<
	205	I->Owner->FileSize << ' ' << I->Owner->HashSum() << std::endl;
	206	return true;
	207	}
	208
	209	if (_error->PendingError() == true \|\| CheckAuth(Fetcher, false) == false)
	210	return false;
	211
	212	bool Failed = false;
	213	if (AcquireRun(Fetcher, 0, &Failed, NULL) == false)
	214	return false;
	215
	216	// copy files in local sources to the current directory
	217	for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
	218	{
	219	std::string const filename = cwd + flNotDir((*I)->DestFile);
	220	if ((*I)->Local == true &&
	221	filename != (*I)->DestFile &&
	222	(*I)->Status == pkgAcquire::Item::StatDone)
	223	{
	224	std::ifstream src((*I)->DestFile.c_str(), std::ios::binary);
	225	std::ofstream dst(filename.c_str(), std::ios::binary);
	226	dst << src.rdbuf();
227	}
228	}
229	return Failed == false;
230	}
231	/}}}/
232	// DoChangelog - Get changelog from the command line /{{{/
233	bool DoChangelog(CommandLine &CmdL)
234	{
235	CacheFile Cache;
236	if (Cache.ReadOnlyOpen() == false)
237	return false;
238
239	APT::CacheSetHelper helper;
240	APT::VersionList verset = APT::VersionList::FromCommandLine(Cache,
241	CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
242	if (verset.empty() == true)
243	return false;
244
245	bool const downOnly = _config->FindB("APT::Get::Download-Only", false);
246	bool const printOnly = _config->FindB("APT::Get::Print-URIs", false);
247
248	aptAcquireWithTextStatus Fetcher;
249	for (APT::VersionList::const_iterator Ver = verset.begin();
250	Ver != verset.end();
251	++Ver)
252	{
253	if (printOnly)
254	new pkgAcqChangelog(&Fetcher, Ver, "/dev/null");
255	else if (downOnly)
256	new pkgAcqChangelog(&Fetcher, Ver, ".");
257	else
258	new pkgAcqChangelog(&Fetcher, Ver);
259	}
260
261	if (printOnly == false)
262	{
263	bool Failed = false;
264	if (AcquireRun(Fetcher, 0, &Failed, NULL) == false \|\| Failed == true)
265	return false;
266	}
267
268	if (downOnly == false \|\| printOnly == true)
269	{
270	bool Failed = false;
271	for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
272	{
273	if (printOnly)
274	{
275	if ((*I)->ErrorText.empty() == false)
276	{
277	Failed = true;
278	_error->Error("%s", (*I)->ErrorText.c_str());
279	}
280	else
281	std::cout << '\'' << (I)->DescURI() << "' " << flNotDir((I)->DestFile) << std::endl;
282	}
283	else
284	DisplayFileInPager((*I)->DestFile);
285	}
286	return Failed == false;
287	}
288
289	return true;
290	}
291	/}}}/
292
293	// DoClean - Remove download archives /{{{/
294	bool DoClean(CommandLine &)
295	{
296	std::string const archivedir = _config->FindDir("Dir::Cache::archives");
297	std::string const listsdir = _config->FindDir("Dir::state::lists");
298
299	if (_config->FindB("APT::Get::Simulate") == true)
300	{
301	std::string const pkgcache = _config->FindFile("Dir::cache::pkgcache");
302	std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache");
303	std::cout << "Del " << archivedir << "* " << archivedir << "partial/*"<< std::endl
304	<< "Del " << listsdir << "partial/*" << std::endl
305	<< "Del " << pkgcache << " " << srcpkgcache << std::endl;
306	return true;
307	}
308
309	pkgAcquire Fetcher;
310	Fetcher.GetLock(archivedir);
311	Fetcher.Clean(archivedir);
312	Fetcher.Clean(archivedir + "partial/");
313
314	Fetcher.GetLock(listsdir);
315	Fetcher.Clean(listsdir + "partial/");
316
317	pkgCacheFile::RemoveCaches();
318
319	return true;
320	}
321	/}}}/
322	// DoAutoClean - Smartly remove downloaded archives /{{{/
323	// ---------------------------------------------------------------------
324	/* This is similar to clean but it only purges things that cannot be
325	downloaded, that is old versions of cached packages. */
326	class LogCleaner : public pkgArchiveCleaner
327	{
328	protected:
329	virtual void Erase(const char *File, std::string Pkg, std::string Ver,struct stat &St) APT_OVERRIDE
330	{
331	c1out << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "B]" << std::endl;
332
333	if (_config->FindB("APT::Get::Simulate") == false)
334	unlink(File);
335	};
336	};
337	bool DoAutoClean(CommandLine &)
338	{
339	// Lock the archive directory
340	FileFd Lock;
341	if (_config->FindB("Debug::NoLocking",false) == false)
342	{
343	int lock_fd = GetLock(_config->FindDir("Dir::Cache::Archives") + "lock");
344	if (lock_fd < 0)
345	return _error->Error(_("Unable to lock the download directory"));
346	Lock.Fd(lock_fd);
347	}
348
349	CacheFile Cache;
350	if (Cache.Open() == false)
351	return false;
352
353	LogCleaner Cleaner;
354
355	return Cleaner.Go(_config->FindDir("Dir::Cache::archives"),*Cache) &&
356	Cleaner.Go(_config->FindDir("Dir::Cache::archives") + "partial/",*Cache);
357	}
358	/}}}/