+// DoSelection - wrapping around dpkg selections /*{{{*/
+static bool DoSelection(CommandLine &CmdL)
+{
+ pkgCacheFile CacheFile;
+ pkgCache *Cache = CacheFile.GetPkgCache();
+ if (unlikely(Cache == NULL))
+ return false;
+
+ APT::VersionVector pkgset = APT::VersionVector::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::CacheSetHelper::INSTCAND);
+ if (pkgset.empty() == true)
+ return _error->Error(_("No packages found"));
+
+ APT::StateChanges marks;
+ if (strcasecmp(CmdL.FileList[0], "hold") == 0 || strcasecmp(CmdL.FileList[0], "unhold") == 0)
+ {
+ auto const part = std::stable_partition(pkgset.begin(), pkgset.end(),
+ [](pkgCache::VerIterator const &V) { return V.ParentPkg()->SelectedState == pkgCache::State::Hold; });
+
+ bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
+ auto const doneBegin = MarkHold ? pkgset.begin() : part;
+ auto const doneEnd = MarkHold ? part : pkgset.end();
+ std::for_each(doneBegin, doneEnd, [&MarkHold](pkgCache::VerIterator const &V) {
+ if (MarkHold == true)
+ ioprintf(c1out, _("%s was already set on hold.\n"), V.ParentPkg().FullName(true).c_str());
+ else
+ ioprintf(c1out, _("%s was already not hold.\n"), V.ParentPkg().FullName(true).c_str());
+ });
+
+ if (doneBegin == pkgset.begin() && doneEnd == pkgset.end())
+ return true;
+
+ auto const changeBegin = MarkHold ? part : pkgset.begin();
+ auto const changeEnd = MarkHold ? pkgset.end() : part;
+ std::move(changeBegin, changeEnd, std::back_inserter(MarkHold ? marks.Hold() : marks.Unhold()));
+ }
+ else
+ {
+ // FIXME: Maybe show a message for unchanged states here as well?
+ if (strcasecmp(CmdL.FileList[0], "purge") == 0)
+ std::swap(marks.Purge(), pkgset);
+ else if (strcasecmp(CmdL.FileList[0], "deinstall") == 0 || strcasecmp(CmdL.FileList[0], "remove") == 0)
+ std::swap(marks.Remove(), pkgset);
+ else //if (strcasecmp(CmdL.FileList[0], "install") == 0)
+ std::swap(marks.Install(), pkgset);
+ }
+ pkgset.clear();
+
+ bool success = true;
+ if (_config->FindB("APT::Mark::Simulate", false) == false)
+ {
+ success = marks.Save();
+ if (success == false)
+ _error->Error(_("Executing dpkg failed. Are you root?"));
+ }
+ for (auto Ver : marks.Hold())
+ ioprintf(c1out,_("%s set on hold.\n"), Ver.ParentPkg().FullName(true).c_str());
+ for (auto Ver : marks.Unhold())
+ ioprintf(c1out,_("Canceled hold on %s.\n"), Ver.ParentPkg().FullName(true).c_str());
+ for (auto Ver : marks.Purge())
+ ioprintf(c1out,_("Selected %s for purge.\n"), Ver.ParentPkg().FullName(true).c_str());
+ for (auto Ver : marks.Remove())
+ ioprintf(c1out,_("Selected %s for removal.\n"), Ver.ParentPkg().FullName(true).c_str());
+ for (auto Ver : marks.Install())
+ ioprintf(c1out,_("Selected %s for installation.\n"), Ver.ParentPkg().FullName(true).c_str());
+ return success;
+}
+ /*}}}*/
+static bool ShowSelection(CommandLine &CmdL) /*{{{*/