diff options
Diffstat (limited to 'apt-private/private-output.cc')
| -rw-r--r-- | apt-private/private-output.cc | 751 |
1 files changed, 751 insertions, 0 deletions
diff --git a/apt-private/private-output.cc b/apt-private/private-output.cc new file mode 100644 index 000000000..6fadf7274 --- /dev/null +++ b/apt-private/private-output.cc @@ -0,0 +1,751 @@ +// Include files /*{{{*/ +#include<config.h> + +#include <apt-pkg/configuration.h> +#include <apt-pkg/strutl.h> +#include <apt-pkg/error.h> +#include <apt-pkg/cachefile.h> +#include <apt-pkg/pkgrecords.h> +#include <apt-pkg/policy.h> + +#include <iomanip> +#include <iostream> +#include <locale.h> +#include <langinfo.h> +#include <unistd.h> + +#include "private-output.h" +#include "private-cachefile.h" + +#include <apti18n.h> + /*}}}*/ + +using namespace std; + +std::ostream c0out(0); +std::ostream c1out(0); +std::ostream c2out(0); +std::ofstream devnull("/dev/null"); +unsigned int ScreenWidth = 80 - 1; /* - 1 for the cursor */ + +bool InitOutput() /*{{{*/ +{ + c0out.rdbuf(cout.rdbuf()); + c1out.rdbuf(cout.rdbuf()); + c2out.rdbuf(cout.rdbuf()); + if (_config->FindI("quiet",0) > 0) + c0out.rdbuf(devnull.rdbuf()); + if (_config->FindI("quiet",0) > 1) + c1out.rdbuf(devnull.rdbuf()); + + if(!isatty(1)) + { + _config->Set("APT::Color", "false"); + _config->Set("APT::Color::Highlight", ""); + _config->Set("APT::Color::Neutral", ""); + } else { + // Colors + _config->CndSet("APT::Color::Highlight", "\x1B[32m"); + _config->CndSet("APT::Color::Neutral", "\x1B[0m"); + + _config->CndSet("APT::Color::Red", "\x1B[31m"); + _config->CndSet("APT::Color::Green", "\x1B[32m"); + _config->CndSet("APT::Color::Yellow", "\x1B[33m"); + _config->CndSet("APT::Color::Blue", "\x1B[34m"); + _config->CndSet("APT::Color::Magenta", "\x1B[35m"); + _config->CndSet("APT::Color::Cyan", "\x1B[36m"); + _config->CndSet("APT::Color::White", "\x1B[37m"); + } + + return true; +} + /*}}}*/ +std::string GetArchiveSuite(pkgCacheFile &CacheFile, pkgCache::VerIterator ver) /*{{{*/ +{ + std::string suite = ""; + if (ver && ver.FileList() && ver.FileList()) + { + pkgCache::VerFileIterator VF = ver.FileList(); + for (; VF.end() == false ; ++VF) + { + // XXX: how to figure out the relevant suite? if its in multiple ones? + suite = suite + "," + VF.File().Archive(); + //suite = VF.File().Archive(); + } + suite = suite.erase(0, 1); + } + return suite; +} + /*}}}*/ +std::string GetFlagsStr(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/ +{ + pkgDepCache *DepCache = CacheFile.GetDepCache(); + pkgDepCache::StateCache &state = (*DepCache)[P]; + + std::string flags_str; + if (state.NowBroken()) + flags_str = "B"; + if (P.CurrentVer() && state.Upgradable()) + flags_str = "g"; + else if (P.CurrentVer() != NULL) + flags_str = "i"; + else + flags_str = "-"; + return flags_str; +} + /*}}}*/ +std::string GetCandidateVersion(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/ +{ + pkgPolicy *policy = CacheFile.GetPolicy(); + pkgCache::VerIterator cand = policy->GetCandidateVer(P); + + return cand ? cand.VerStr() : "(none)"; +} + /*}}}*/ +std::string GetInstalledVersion(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/ +{ + pkgCache::VerIterator inst = P.CurrentVer(); + + return inst ? inst.VerStr() : "(none)"; +} + /*}}}*/ +std::string GetVersion(pkgCacheFile &CacheFile, pkgCache::VerIterator V)/*{{{*/ +{ + pkgCache::PkgIterator P = V.ParentPkg(); + if (V == P.CurrentVer()) + { + pkgDepCache *DepCache = CacheFile.GetDepCache(); + pkgDepCache::StateCache &state = (*DepCache)[P]; + std::string inst_str = DeNull(V.VerStr()); + if (state.Upgradable()) + return "**"+inst_str; + return inst_str; + } + + if(V) + return DeNull(V.VerStr()); + return "(none)"; +} + /*}}}*/ +std::string GetArchitecture(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/ +{ + pkgPolicy *policy = CacheFile.GetPolicy(); + pkgCache::VerIterator inst = P.CurrentVer(); + pkgCache::VerIterator cand = policy->GetCandidateVer(P); + + return inst ? inst.Arch() : cand.Arch(); +} + /*}}}*/ +std::string GetShortDescription(pkgCacheFile &CacheFile, pkgRecords &records, pkgCache::PkgIterator P)/*{{{*/ +{ + pkgPolicy *policy = CacheFile.GetPolicy(); + + pkgCache::VerIterator ver; + if (P.CurrentVer()) + ver = P.CurrentVer(); + else + ver = policy->GetCandidateVer(P); + + std::string ShortDescription = "(none)"; + if(ver) + { + pkgCache::DescIterator Desc = ver.TranslatedDescription(); + pkgRecords::Parser & parser = records.Lookup(Desc.FileList()); + + ShortDescription = parser.ShortDesc(); + } + return ShortDescription; +} + /*}}}*/ +void ListSingleVersion(pkgCacheFile &CacheFile, pkgRecords &records, /*{{{*/ + pkgCache::VerIterator V, std::ostream &out) +{ + pkgCache::PkgIterator P = V.ParentPkg(); + + pkgDepCache *DepCache = CacheFile.GetDepCache(); + pkgDepCache::StateCache &state = (*DepCache)[P]; + + std::string suite = GetArchiveSuite(CacheFile, V); + std::string name_str = P.Name(); + + if (_config->FindB("APT::Cmd::use-format", false)) + { + std::string format = _config->Find("APT::Cmd::format", "${db::Status-Abbrev} ${Package} ${Version} ${Origin} ${Description}"); + std::string output = format; + + output = SubstVar(output, "${db::Status-Abbrev}", GetFlagsStr(CacheFile, P)); + output = SubstVar(output, "${Package}", name_str); + output = SubstVar(output, "${installed:Version}", GetInstalledVersion(CacheFile, P)); + output = SubstVar(output, "${candidate:Version}", GetCandidateVersion(CacheFile, P)); + output = SubstVar(output, "${Version}", GetVersion(CacheFile, V)); + output = SubstVar(output, "${Description}", GetShortDescription(CacheFile, records, P)); + output = SubstVar(output, "${Origin}", GetArchiveSuite(CacheFile, V)); + out << output << std::endl; + } else { + // raring/linux-kernel version [upradable: new-version] + // description + pkgPolicy *policy = CacheFile.GetPolicy(); + out << std::setiosflags(std::ios::left) + << _config->Find("APT::Color::Highlight", "") + << name_str + << _config->Find("APT::Color::Neutral", "") + << "/" << suite + << " "; + if(P.CurrentVer() == V && state.Upgradable()) { + out << GetVersion(CacheFile, V) + << " " + << "[" << _("installed,upgradable to: ") + << GetCandidateVersion(CacheFile, P) << "]"; + } else if (P.CurrentVer() == V) { + out << GetVersion(CacheFile, V) + << " "; + if(!V.Downloadable()) + out << _("[installed,local]"); + else + if(V.Automatic() && state.Garbage) + out << _("[installed,auto-removable]"); + else if (state.Flags & pkgCache::Flag::Auto) + out << _("[installed,automatic]"); + else + out << _("[installed]"); + } else if (P.CurrentVer() && + policy->GetCandidateVer(P) == V && + state.Upgradable()) { + out << GetVersion(CacheFile, V) + << " " + << _("[upgradable from: ") + << GetInstalledVersion(CacheFile, P) << "]"; + } else { + if (V.ParentPkg()->CurrentState == pkgCache::State::ConfigFiles) + out << GetVersion(CacheFile, V) + << " " + << _("[residual-config]"); + else + out << GetVersion(CacheFile, V); + } + out << " " << GetArchitecture(CacheFile, P) << " "; + out << std::endl + << " " << GetShortDescription(CacheFile, records, P) + << std::endl; + } +} + /*}}}*/ +// ShowList - Show a list /*{{{*/ +// --------------------------------------------------------------------- +/* This prints out a string of space separated words with a title and + a two space indent line wraped to the current screen width. */ +bool ShowList(ostream &out,string Title,string List,string VersionsList) +{ + if (List.empty() == true) + return true; + // trim trailing space + int NonSpace = List.find_last_not_of(' '); + if (NonSpace != -1) + { + List = List.erase(NonSpace + 1); + if (List.empty() == true) + return true; + } + + // Acount for the leading space + int ScreenWidth = ::ScreenWidth - 3; + + out << Title << endl; + string::size_type Start = 0; + string::size_type VersionsStart = 0; + while (Start < List.size()) + { + if(_config->FindB("APT::Get::Show-Versions",false) == true && + VersionsList.size() > 0) { + string::size_type End; + string::size_type VersionsEnd; + + End = List.find(' ',Start); + VersionsEnd = VersionsList.find('\n', VersionsStart); + + out << " " << string(List,Start,End - Start) << " (" << + string(VersionsList,VersionsStart,VersionsEnd - VersionsStart) << + ")" << endl; + + if (End == string::npos || End < Start) + End = Start + ScreenWidth; + + Start = End + 1; + VersionsStart = VersionsEnd + 1; + } else { + string::size_type End; + + if (Start + ScreenWidth >= List.size()) + End = List.size(); + else + End = List.rfind(' ',Start+ScreenWidth); + + if (End == string::npos || End < Start) + End = Start + ScreenWidth; + out << " " << string(List,Start,End - Start) << endl; + Start = End + 1; + } + } + + return false; +} + /*}}}*/ +// ShowBroken - Debugging aide /*{{{*/ +// --------------------------------------------------------------------- +/* This prints out the names of all the packages that are broken along + with the name of each each broken dependency and a quite version + description. + + The output looks like: + The following packages have unmet dependencies: + exim: Depends: libc6 (>= 2.1.94) but 2.1.3-10 is to be installed + Depends: libldap2 (>= 2.0.2-2) but it is not going to be installed + Depends: libsasl7 but it is not going to be installed + */ +void ShowBroken(ostream &out,CacheFile &Cache,bool Now) +{ + if (Cache->BrokenCount() == 0) + return; + + out << _("The following packages have unmet dependencies:") << endl; + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + + if (Now == true) + { + if (Cache[I].NowBroken() == false) + continue; + } + else + { + if (Cache[I].InstBroken() == false) + continue; + } + + // Print out each package and the failed dependencies + out << " " << I.FullName(true) << " :"; + unsigned const Indent = I.FullName(true).size() + 3; + bool First = true; + pkgCache::VerIterator Ver; + + if (Now == true) + Ver = I.CurrentVer(); + else + Ver = Cache[I].InstVerIter(Cache); + + if (Ver.end() == true) + { + out << endl; + continue; + } + + for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false;) + { + // Compute a single dependency element (glob or) + pkgCache::DepIterator Start; + pkgCache::DepIterator End; + D.GlobOr(Start,End); // advances D + + if (Cache->IsImportantDep(End) == false) + continue; + + if (Now == true) + { + if ((Cache[End] & pkgDepCache::DepGNow) == pkgDepCache::DepGNow) + continue; + } + else + { + if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall) + continue; + } + + bool FirstOr = true; + while (1) + { + if (First == false) + for (unsigned J = 0; J != Indent; J++) + out << ' '; + First = false; + + if (FirstOr == false) + { + for (unsigned J = 0; J != strlen(End.DepType()) + 3; J++) + out << ' '; + } + else + out << ' ' << End.DepType() << ": "; + FirstOr = false; + + out << Start.TargetPkg().FullName(true); + + // Show a quick summary of the version requirements + if (Start.TargetVer() != 0) + out << " (" << Start.CompType() << " " << Start.TargetVer() << ")"; + + /* Show a summary of the target package if possible. In the case + of virtual packages we show nothing */ + pkgCache::PkgIterator Targ = Start.TargetPkg(); + if (Targ->ProvidesList == 0) + { + out << ' '; + pkgCache::VerIterator Ver = Cache[Targ].InstVerIter(Cache); + if (Now == true) + Ver = Targ.CurrentVer(); + + if (Ver.end() == false) + { + if (Now == true) + ioprintf(out,_("but %s is installed"),Ver.VerStr()); + else + ioprintf(out,_("but %s is to be installed"),Ver.VerStr()); + } + else + { + if (Cache[Targ].CandidateVerIter(Cache).end() == true) + { + if (Targ->ProvidesList == 0) + out << _("but it is not installable"); + else + out << _("but it is a virtual package"); + } + else + out << (Now?_("but it is not installed"):_("but it is not going to be installed")); + } + } + + if (Start != End) + out << _(" or"); + out << endl; + + if (Start == End) + break; + ++Start; + } + } + } +} + /*}}}*/ +// ShowNew - Show packages to newly install /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void ShowNew(ostream &out,CacheFile &Cache) +{ + /* Print out a list of packages that are going to be installed extra + to what the user asked */ + string List; + string VersionsList; + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + if (Cache[I].NewInstall() == true) { + List += I.FullName(true) + " "; + VersionsList += string(Cache[I].CandVersion) + "\n"; + } + } + + ShowList(out,_("The following NEW packages will be installed:"),List,VersionsList); +} + /*}}}*/ +// ShowDel - Show packages to delete /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void ShowDel(ostream &out,CacheFile &Cache) +{ + /* Print out a list of packages that are going to be removed extra + to what the user asked */ + string List; + string VersionsList; + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + if (Cache[I].Delete() == true) + { + if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge) + List += I.FullName(true) + "* "; + else + List += I.FullName(true) + " "; + + VersionsList += string(Cache[I].CandVersion)+ "\n"; + } + } + + ShowList(out,_("The following packages will be REMOVED:"),List,VersionsList); +} + /*}}}*/ +// ShowKept - Show kept packages /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void ShowKept(ostream &out,CacheFile &Cache) +{ + string List; + string VersionsList; + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + + // Not interesting + if (Cache[I].Upgrade() == true || Cache[I].Upgradable() == false || + I->CurrentVer == 0 || Cache[I].Delete() == true) + continue; + + List += I.FullName(true) + " "; + VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n"; + } + ShowList(out,_("The following packages have been kept back:"),List,VersionsList); +} + /*}}}*/ +// ShowUpgraded - Show upgraded packages /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void ShowUpgraded(ostream &out,CacheFile &Cache) +{ + string List; + string VersionsList; + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + + // Not interesting + if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true) + continue; + + List += I.FullName(true) + " "; + VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n"; + } + ShowList(out,_("The following packages will be upgraded:"),List,VersionsList); +} + /*}}}*/ +// ShowDowngraded - Show downgraded packages /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool ShowDowngraded(ostream &out,CacheFile &Cache) +{ + string List; + string VersionsList; + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + + // Not interesting + if (Cache[I].Downgrade() == false || Cache[I].NewInstall() == true) + continue; + + List += I.FullName(true) + " "; + VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n"; + } + return ShowList(out,_("The following packages will be DOWNGRADED:"),List,VersionsList); +} + /*}}}*/ +// ShowHold - Show held but changed packages /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool ShowHold(ostream &out,CacheFile &Cache) +{ + string List; + string VersionsList; + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + if (Cache[I].InstallVer != (pkgCache::Version *)I.CurrentVer() && + I->SelectedState == pkgCache::State::Hold) { + List += I.FullName(true) + " "; + VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n"; + } + } + + return ShowList(out,_("The following held packages will be changed:"),List,VersionsList); +} + /*}}}*/ +// ShowEssential - Show an essential package warning /*{{{*/ +// --------------------------------------------------------------------- +/* This prints out a warning message that is not to be ignored. It shows + all essential packages and their dependents that are to be removed. + It is insanely risky to remove the dependents of an essential package! */ +bool ShowEssential(ostream &out,CacheFile &Cache) +{ + string List; + string VersionsList; + bool *Added = new bool[Cache->Head().PackageCount]; + for (unsigned int I = 0; I != Cache->Head().PackageCount; I++) + Added[I] = false; + + for (unsigned J = 0; J < Cache->Head().PackageCount; J++) + { + pkgCache::PkgIterator I(Cache,Cache.List[J]); + if ((I->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential && + (I->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important) + continue; + + // The essential package is being removed + if (Cache[I].Delete() == true) + { + if (Added[I->ID] == false) + { + Added[I->ID] = true; + List += I.FullName(true) + " "; + //VersionsList += string(Cache[I].CurVersion) + "\n"; ??? + } + } + else + continue; + + if (I->CurrentVer == 0) + continue; + + // Print out any essential package depenendents that are to be removed + for (pkgCache::DepIterator D = I.CurrentVer().DependsList(); D.end() == false; ++D) + { + // Skip everything but depends + if (D->Type != pkgCache::Dep::PreDepends && + D->Type != pkgCache::Dep::Depends) + continue; + + pkgCache::PkgIterator P = D.SmartTargetPkg(); + if (Cache[P].Delete() == true) + { + if (Added[P->ID] == true) + continue; + Added[P->ID] = true; + + char S[300]; + snprintf(S,sizeof(S),_("%s (due to %s) "),P.FullName(true).c_str(),I.FullName(true).c_str()); + List += S; + //VersionsList += "\n"; ??? + } + } + } + + delete [] Added; + return ShowList(out,_("WARNING: The following essential packages will be removed.\n" + "This should NOT be done unless you know exactly what you are doing!"),List,VersionsList); +} + + /*}}}*/ +// Stats - Show some statistics /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void Stats(ostream &out,pkgDepCache &Dep) +{ + unsigned long Upgrade = 0; + unsigned long Downgrade = 0; + unsigned long Install = 0; + unsigned long ReInstall = 0; + for (pkgCache::PkgIterator I = Dep.PkgBegin(); I.end() == false; ++I) + { + if (Dep[I].NewInstall() == true) + Install++; + else + { + if (Dep[I].Upgrade() == true) + Upgrade++; + else + if (Dep[I].Downgrade() == true) + Downgrade++; + } + + if (Dep[I].Delete() == false && (Dep[I].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall) + ReInstall++; + } + + ioprintf(out,_("%lu upgraded, %lu newly installed, "), + Upgrade,Install); + + if (ReInstall != 0) + ioprintf(out,_("%lu reinstalled, "),ReInstall); + if (Downgrade != 0) + ioprintf(out,_("%lu downgraded, "),Downgrade); + + ioprintf(out,_("%lu to remove and %lu not upgraded.\n"), + Dep.DelCount(),Dep.KeepCount()); + + if (Dep.BadCount() != 0) + ioprintf(out,_("%lu not fully installed or removed.\n"), + Dep.BadCount()); +} + /*}}}*/ +// YnPrompt - Yes No Prompt. /*{{{*/ +// --------------------------------------------------------------------- +/* Returns true on a Yes.*/ +bool YnPrompt(bool Default) +{ + /* nl_langinfo does not support LANGUAGE setting, so we unset it here + to have the help-message (hopefully) match the expected characters */ + char * language = getenv("LANGUAGE"); + if (language != NULL) + language = strdup(language); + if (language != NULL) + unsetenv("LANGUAGE"); + + if (Default == true) + // TRANSLATOR: Yes/No question help-text: defaulting to Y[es] + // e.g. "Do you want to continue? [Y/n] " + // The user has to answer with an input matching the + // YESEXPR/NOEXPR defined in your l10n. + c2out << " " << _("[Y/n]") << " " << std::flush; + else + // TRANSLATOR: Yes/No question help-text: defaulting to N[o] + // e.g. "Should this file be removed? [y/N] " + // The user has to answer with an input matching the + // YESEXPR/NOEXPR defined in your l10n. + c2out << " " << _("[y/N]") << " " << std::flush; + + if (language != NULL) + { + setenv("LANGUAGE", language, 0); + free(language); + } + + if (_config->FindB("APT::Get::Assume-Yes",false) == true) + { + // TRANSLATOR: "Yes" answer printed for a yes/no question if --assume-yes is set + c1out << _("Y") << std::endl; + return true; + } + else if (_config->FindB("APT::Get::Assume-No",false) == true) + { + // TRANSLATOR: "No" answer printed for a yes/no question if --assume-no is set + c1out << _("N") << std::endl; + return false; + } + + char response[1024] = ""; + std::cin.getline(response, sizeof(response)); + + if (!std::cin) + return false; + + if (strlen(response) == 0) + return Default; + + regex_t Pattern; + int Res; + + Res = regcomp(&Pattern, nl_langinfo(YESEXPR), + REG_EXTENDED|REG_ICASE|REG_NOSUB); + + if (Res != 0) { + char Error[300]; + regerror(Res,&Pattern,Error,sizeof(Error)); + return _error->Error(_("Regex compilation error - %s"),Error); + } + + Res = regexec(&Pattern, response, 0, NULL, 0); + if (Res == 0) + return true; + return false; +} + /*}}}*/ +// AnalPrompt - Annoying Yes No Prompt. /*{{{*/ +// --------------------------------------------------------------------- +/* Returns true on a Yes.*/ +bool AnalPrompt(const char *Text) +{ + char Buf[1024]; + std::cin.getline(Buf,sizeof(Buf)); + if (strcmp(Buf,Text) == 0) + return true; + return false; +} + /*}}}*/ |