[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 <sys/stat.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)
   {
      if (!YnPrompt(_("Install these packages without verification?"), 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"), 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();
	 chmod(filename.c_str(), 0644);
      }
   }
   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);
   if (printOnly)
      _config->CndSet("Acquire::Changelogs::AlwaysOnline", true);

   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;
   if (archivedir.empty() == false && FileExists(archivedir) == true &&
	 Fetcher.GetLock(archivedir) == true)
   {
      Fetcher.Clean(archivedir);
      Fetcher.Clean(archivedir + "partial/");
   }

   if (listsdir.empty() == false && FileExists(listsdir) == true &&
	 Fetcher.GetLock(listsdir) == true)
   {
      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)
	    RemoveFile("Cleaner::Erase", File);
      };
};
bool DoAutoClean(CommandLine &)
{
   std::string const archivedir = _config->FindDir("Dir::Cache::Archives");
   if (FileExists(archivedir) == false)
      return true;

   // Lock the archive directory
   FileFd Lock;
   if (_config->FindB("Debug::NoLocking",false) == false)
   {
      int lock_fd = GetLock(flCombine(archivedir, "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(archivedir, *Cache) &&
      Cleaner.Go(flCombine(archivedir, "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>
9c81f8de DK	29	#include <sys/statvfs.h>
30c8107e	30	#include <sys/stat.h>
9c81f8de	31	#include <errno.h>
460601d5	32
866893a6 DK	33	#include <apti18n.h>
	34	/}}}/
	35
	36	// CheckAuth - check if each download comes form a trusted source /{{{/
	37	bool CheckAuth(pkgAcquire& Fetcher, bool const PromptUser)
	38	{
9112f777	39	std::vector<std::string> UntrustedList;
866893a6 DK	40	for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd(); ++I)
866893a6 DK	41	if (!(*I)->IsTrusted())
9112f777	42	UntrustedList.push_back((*I)->ShortDesc());
866893a6	43
9112f777	44	if (UntrustedList.empty())
866893a6 DK	45	return true;
866893a6 DK	46
a3f1d60c MV	47	return AuthPrompt(UntrustedList, PromptUser);
a3f1d60c MV	48	}
2b0660b5 DK	49	/}}}/
2b0660b5 DK	50	bool AuthPrompt(std::vector<std::string> const &UntrustedList, bool const PromptUser)/{{{/
a3f1d60c	51	{
9112f777 DK	52	ShowList(c2out,_("WARNING: The following packages cannot be authenticated!"), UntrustedList,
	53	[](std::string const&) { return true; },
	54	[](std::string const&str) { return str; },
	55	[](std::string const&) { return ""; });
866893a6 DK	56
	57	if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
	58	{
	59	c2out << _("Authentication warning overridden.\n");
	60	return true;
	61	}
	62
	63	if (PromptUser == false)
	64	return _error->Error(_("Some packages could not be authenticated"));
	65
	66	if (_config->FindI("quiet",0) < 2
	67	&& _config->FindB("APT::Get::Assume-Yes",false) == false)
	68	{
fd789740	69	if (!YnPrompt(_("Install these packages without verification?"), false))
866893a6 DK	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);
3f760434	111	_error->Error(_("Failed to fetch %s %s"), descUri.c_str(),
866893a6 DK	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();
30c8107e	227	chmod(filename.c_str(), 0644);
9055d5e6 DK	228	}
	229	}
	230	return Failed == false;
	231	}
	232	/}}}/
	233	// DoChangelog - Get changelog from the command line /{{{/
	234	bool DoChangelog(CommandLine &CmdL)
	235	{
	236	CacheFile Cache;
	237	if (Cache.ReadOnlyOpen() == false)
	238	return false;
	239
	240	APT::CacheSetHelper helper;
	241	APT::VersionList verset = APT::VersionList::FromCommandLine(Cache,
	242	CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
	243	if (verset.empty() == true)
	244	return false;
	245
	246	bool const downOnly = _config->FindB("APT::Get::Download-Only", false);
	247	bool const printOnly = _config->FindB("APT::Get::Print-URIs", false);
b5aba909 DK	248	if (printOnly)
b5aba909 DK	249	_config->CndSet("Acquire::Changelogs::AlwaysOnline", true);
9055d5e6 DK	250
	251	aptAcquireWithTextStatus Fetcher;
	252	for (APT::VersionList::const_iterator Ver = verset.begin();
	253	Ver != verset.end();
	254	++Ver)
	255	{
	256	if (printOnly)
	257	new pkgAcqChangelog(&Fetcher, Ver, "/dev/null");
	258	else if (downOnly)
	259	new pkgAcqChangelog(&Fetcher, Ver, ".");
	260	else
	261	new pkgAcqChangelog(&Fetcher, Ver);
	262	}
	263
	264	if (printOnly == false)
	265	{
	266	bool Failed = false;
	267	if (AcquireRun(Fetcher, 0, &Failed, NULL) == false \|\| Failed == true)
	268	return false;
	269	}
	270
	271	if (downOnly == false \|\| printOnly == true)
	272	{
	273	bool Failed = false;
	274	for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
	275	{
	276	if (printOnly)
	277	{
	278	if ((*I)->ErrorText.empty() == false)
	279	{
	280	Failed = true;
	281	_error->Error("%s", (*I)->ErrorText.c_str());
	282	}
	283	else
	284	std::cout << '\'' << (I)->DescURI() << "' " << flNotDir((I)->DestFile) << std::endl;
	285	}
	286	else
	287	DisplayFileInPager((*I)->DestFile);
	288	}
	289	return Failed == false;
	290	}
	291
	292	return true;
	293	}
	294	/}}}/
	295
	296	// DoClean - Remove download archives /{{{/
	297	bool DoClean(CommandLine &)
	298	{
	299	std::string const archivedir = _config->FindDir("Dir::Cache::archives");
	300	std::string const listsdir = _config->FindDir("Dir::state::lists");
	301
	302	if (_config->FindB("APT::Get::Simulate") == true)
	303	{
	304	std::string const pkgcache = _config->FindFile("Dir::cache::pkgcache");
	305	std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache");
	306	std::cout << "Del " << archivedir << "* " << archivedir << "partial/*"<< std::endl
	307	<< "Del " << listsdir << "partial/*" << std::endl
	308	<< "Del " << pkgcache << " " << srcpkgcache << std::endl;
	309	return true;
	310	}
	311
	312	pkgAcquire Fetcher;
8d968cc2 DK	313	if (archivedir.empty() == false && FileExists(archivedir) == true &&
8d968cc2 DK	314	Fetcher.GetLock(archivedir) == true)
dffc17ba	315	{
dffc17ba DK	316	Fetcher.Clean(archivedir);
	317	Fetcher.Clean(archivedir + "partial/");
	318	}
9055d5e6	319
8d968cc2 DK	320	if (listsdir.empty() == false && FileExists(listsdir) == true &&
8d968cc2 DK	321	Fetcher.GetLock(listsdir) == true)
dffc17ba	322	{
dffc17ba DK	323	Fetcher.Clean(listsdir + "partial/");
dffc17ba DK	324	}
9055d5e6 DK	325
	326	pkgCacheFile::RemoveCaches();
	327
	328	return true;
	329	}
	330	/}}}/
	331	// DoAutoClean - Smartly remove downloaded archives /{{{/
	332	// ---------------------------------------------------------------------
	333	/* This is similar to clean but it only purges things that cannot be
	334	downloaded, that is old versions of cached packages. */
	335	class LogCleaner : public pkgArchiveCleaner
	336	{
	337	protected:
	338	virtual void Erase(const char *File, std::string Pkg, std::string Ver,struct stat &St) APT_OVERRIDE
	339	{
	340	c1out << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "B]" << std::endl;
	341
	342	if (_config->FindB("APT::Get::Simulate") == false)
ce1f3a2c	343	RemoveFile("Cleaner::Erase", File);
9055d5e6 DK	344	};
	345	};
	346	bool DoAutoClean(CommandLine &)
	347	{
dffc17ba DK	348	std::string const archivedir = _config->FindDir("Dir::Cache::Archives");
	349	if (FileExists(archivedir) == false)
	350	return true;
	351
9055d5e6 DK	352	// Lock the archive directory
	353	FileFd Lock;
	354	if (_config->FindB("Debug::NoLocking",false) == false)
	355	{
dffc17ba	356	int lock_fd = GetLock(flCombine(archivedir, "lock"));
9055d5e6 DK	357	if (lock_fd < 0)
	358	return _error->Error(_("Unable to lock the download directory"));
	359	Lock.Fd(lock_fd);
	360	}
	361
	362	CacheFile Cache;
	363	if (Cache.Open() == false)
	364	return false;
	365
	366	LogCleaner Cleaner;
	367
dffc17ba DK	368	return Cleaner.Go(archivedir, *Cache) &&
dffc17ba DK	369	Cleaner.Go(flCombine(archivedir, "partial/"), *Cache);
9055d5e6 DK	370	}
9055d5e6 DK	371	/}}}/