+// TryToChangeVer - Try to change a candidate version /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool TryToChangeVer(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
+ const char *VerTag,bool IsRel)
+{
+ pkgVersionMatch Match(VerTag,(IsRel == true?pkgVersionMatch::Release :
+ pkgVersionMatch::Version));
+
+ pkgCache::VerIterator Ver = Match.Find(Pkg);
+
+ if (Ver.end() == true)
+ {
+ if (IsRel == true)
+ return _error->Error(_("Release '%s' for '%s' was not found"),
+ VerTag,Pkg.Name());
+ return _error->Error(_("Version '%s' for '%s' was not found"),
+ VerTag,Pkg.Name());
+ }
+
+ if (strcmp(VerTag,Ver.VerStr()) != 0)
+ {
+ ioprintf(c1out,_("Selected version %s (%s) for %s\n"),
+ Ver.VerStr(),Ver.RelStr().c_str(),Pkg.Name());
+ }
+
+ Cache.SetCandidateVersion(Ver);
+ return true;
+}
+ /*}}}*/
+// FindSrc - Find a source record /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
+ pkgSrcRecords &SrcRecs,string &Src,
+ pkgDepCache &Cache)
+{
+ // We want to pull the version off the package specification..
+ string VerTag;
+ string TmpSrc = Name;
+ string::size_type Slash = TmpSrc.rfind('=');
+
+ // honor default release
+ string DefRel = _config->Find("APT::Default-Release");
+ pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc);
+
+ if (Slash != string::npos)
+ {
+ VerTag = string(TmpSrc.begin() + Slash + 1,TmpSrc.end());
+ TmpSrc = string(TmpSrc.begin(),TmpSrc.begin() + Slash);
+ }
+ else if(!Pkg.end() && DefRel.empty() == false)
+ {
+ // we have a default release, try to locate the pkg. we do it like
+ // this because GetCandidateVer() will not "downgrade", that means
+ // "apt-get source -t stable apt" won't work on a unstable system
+ for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false;
+ Ver++)
+ {
+ for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false;
+ VF++)
+ {
+ /* If this is the status file, and the current version is not the
+ version in the status file (ie it is not installed, or somesuch)
+ then it is not a candidate for installation, ever. This weeds
+ out bogus entries that may be due to config-file states, or
+ other. */
+ if ((VF.File()->Flags & pkgCache::Flag::NotSource) ==
+ pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver)
+ continue;
+
+ //std::cout << VF.File().Archive() << std::endl;
+ if(VF.File().Archive() && (VF.File().Archive() == DefRel))
+ {
+ VerTag = Ver.VerStr();
+ break;
+ }
+ }
+ }
+ }
+
+ /* Lookup the version of the package we would install if we were to
+ install a version and determine the source package name, then look
+ in the archive for a source package of the same name. */
+ bool MatchSrcOnly = _config->FindB("APT::Get::Only-Source");
+ if (MatchSrcOnly == false)
+ {
+ if (Pkg.end() == false)
+ {
+ pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg);
+ if (Ver.end() == false)
+ {
+ pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList());
+ Src = Parse.SourcePkg();
+ }
+ }
+ }
+
+ // The best hit
+ pkgSrcRecords::Parser *Last = 0;
+ unsigned long Offset = 0;
+ string Version;
+ bool IsMatch = false;
+
+ // No source package name..
+ if (Src.empty() == true)
+ Src = TmpSrc;
+ else
+ // if we have a source pkg name, make sure to only search
+ // for srcpkg names, otherwise apt gets confused if there
+ // is a binary package "pkg1" and a source package "pkg1"
+ // with the same name but that comes from different packages
+ MatchSrcOnly = true;
+
+ // If we are matching by version then we need exact matches to be happy
+ if (VerTag.empty() == false)
+ IsMatch = true;
+
+ /* Iterate over all of the hits, which includes the resulting
+ binary packages in the search */
+ pkgSrcRecords::Parser *Parse;
+ SrcRecs.Restart();
+ while ((Parse = SrcRecs.Find(Src.c_str(), MatchSrcOnly)) != 0)
+ {
+ string Ver = Parse->Version();
+
+ // show name mismatches
+ if (IsMatch == true && Parse->Package() != Src)
+ ioprintf(c1out, _("No source package '%s' picking '%s' instead\n"), Parse->Package().c_str(), Src.c_str());
+
+ if (VerTag.empty() == false)
+ {
+ /* Don't want to fall through because we are doing exact version
+ matching. */
+ if (Cache.VS().CmpVersion(VerTag,Ver) != 0)
+ continue;
+
+ Last = Parse;
+ Offset = Parse->Offset();
+ break;
+ }
+
+ // Newer version or an exact match
+ if (Last == 0 || Cache.VS().CmpVersion(Version,Ver) < 0 ||
+ (Parse->Package() == Src && IsMatch == false))
+ {
+ IsMatch = Parse->Package() == Src;
+ Last = Parse;
+ Offset = Parse->Offset();
+ Version = Ver;
+ }
+ }
+
+ if (Last == 0 || Last->Jump(Offset) == false)
+ return 0;
+
+ return Last;
+}
+ /*}}}*/
+// DoUpdate - Update the package lists /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DoUpdate(CommandLine &CmdL)
+{
+ if (CmdL.FileSize() != 1)
+ return _error->Error(_("The update command takes no arguments"));
+
+ // Get the source list
+ pkgSourceList List;
+ if (List.ReadMainList() == false)
+ return false;
+
+ // Lock the list directory
+ FileFd Lock;
+ if (_config->FindB("Debug::NoLocking",false) == false)
+ {
+ Lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
+ if (_error->PendingError() == true)
+ return _error->Error(_("Unable to lock the list directory"));
+ }
+
+ // Create the progress
+ AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
+
+ // Just print out the uris an exit if the --print-uris flag was used
+ if (_config->FindB("APT::Get::Print-URIs") == true)
+ {
+ // get a fetcher
+ pkgAcquire Fetcher(&Stat);
+
+ // Populate it with the source selection and get all Indexes
+ // (GetAll=true)
+ if (List.GetIndexes(&Fetcher,true) == false)
+ return false;
+
+ pkgAcquire::UriIterator I = Fetcher.UriBegin();
+ for (; I != Fetcher.UriEnd(); I++)
+ cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' <<
+ I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl;
+ return true;
+ }
+
+ // do the work
+ CacheFile Cache;
+ if (_config->FindB("APT::Get::Download",true) == true)
+ ListUpdate(Stat, List);
+
+ // Rebuild the cache.
+ if (Cache.BuildCaches() == false)
+ return false;
+
+ return true;
+}
+ /*}}}*/
+// DoAutomaticRemove - Remove all automatic unused packages /*{{{*/
+// ---------------------------------------------------------------------
+/* Remove unused automatic packages */
+bool DoAutomaticRemove(CacheFile &Cache)
+{
+ bool Debug = _config->FindI("Debug::pkgAutoRemove",false);
+ bool doAutoRemove = _config->FindB("APT::Get::AutomaticRemove", false);
+ bool hideAutoRemove = _config->FindB("APT::Get::HideAutoRemove");
+ pkgDepCache::ActionGroup group(*Cache);
+
+ if(Debug)
+ std::cout << "DoAutomaticRemove()" << std::endl;
+
+ if (_config->FindB("APT::Get::Remove",true) == false &&
+ doAutoRemove == true)
+ {
+ c1out << _("We are not supposed to delete stuff, can't start "
+ "AutoRemover") << std::endl;
+ doAutoRemove = false;
+ }
+
+ string autoremovelist, autoremoveversions;
+ // look over the cache to see what can be removed
+ for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
+ {
+ if (Cache[Pkg].Garbage)
+ {
+ if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
+ if(Debug)
+ std::cout << "We could delete %s" << Pkg.Name() << std::endl;
+
+ // only show stuff in the list that is not yet marked for removal
+ if(Cache[Pkg].Delete() == false)
+ {
+ autoremovelist += string(Pkg.Name()) + " ";
+ autoremoveversions += string(Cache[Pkg].CandVersion) + "\n";
+ }
+ if (doAutoRemove)
+ {
+ if(Pkg.CurrentVer() != 0 &&
+ Pkg->CurrentState != pkgCache::State::ConfigFiles)
+ Cache->MarkDelete(Pkg, _config->FindB("APT::Get::Purge", false));
+ else
+ Cache->MarkKeep(Pkg, false, false);
+ }
+ }
+ }
+ if (!hideAutoRemove)
+ ShowList(c1out, _("The following packages were automatically installed and are no longer required:"), autoremovelist, autoremoveversions);
+ if (!doAutoRemove && !hideAutoRemove && autoremovelist.size() > 0)
+ c1out << _("Use 'apt-get autoremove' to remove them.") << std::endl;
+
+ // Now see if we destroyed anything
+ if (Cache->BrokenCount() != 0)
+ {
+ c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n"
+ "shouldn't happen. Please file a bug report against apt.") << endl;
+ c1out << endl;
+ c1out << _("The following information may help to resolve the situation:") << endl;
+ c1out << endl;
+ ShowBroken(c1out,Cache,false);
+
+ return _error->Error(_("Internal Error, AutoRemover broke stuff"));
+ }
+ return true;
+}
+ /*}}}*/
+// DoUpgrade - Upgrade all packages /*{{{*/
projects / apt.git / blobdiff