+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
+#ifdef 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);
+}
+ /*}}}*/
projects / apt.git / blobdiff