diff options
Diffstat (limited to 'cmdline/apt-mark.cc')
| -rw-r--r-- | cmdline/apt-mark.cc | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/cmdline/apt-mark.cc b/cmdline/apt-mark.cc new file mode 100644 index 0000000..161845b --- /dev/null +++ b/cmdline/apt-mark.cc @@ -0,0 +1,447 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ##################################################################### + apt-mark - show and change auto-installed bit information + ##################################################################### */ + /*}}}*/ +// Include Files /*{{{*/ +#include <config.h> + +#include <apt-pkg/cachefile.h> +#include <apt-pkg/cacheset.h> +#include <apt-pkg/cmndline.h> +#include <apt-pkg/configuration.h> +#include <apt-pkg/depcache.h> +#include <apt-pkg/error.h> +#include <apt-pkg/fileutl.h> +#include <apt-pkg/init.h> +#include <apt-pkg/macros.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/pkgsystem.h> +#include <apt-pkg/statechanges.h> +#include <apt-pkg/strutl.h> + +#include <apt-private/private-cmndline.h> +#include <apt-private/private-main.h> +#include <apt-private/private-output.h> + +#include <algorithm> +#include <fstream> +#include <iostream> +#include <string> +#include <vector> +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/wait.h> +#include <unistd.h> + +#include <apti18n.h> + /*}}}*/ +using namespace std; + +/* DoAuto - mark packages as automatically/manually installed {{{*/ +static bool DoAuto(CommandLine &CmdL) +{ + pkgCacheFile CacheFile; + pkgDepCache * const DepCache = CacheFile.GetDepCache(); + if (unlikely(DepCache == nullptr)) + return false; + + APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); + if (pkgset.empty() == true) + return _error->Error(_("No packages found")); + + bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0; + int AutoMarkChanged = 0; + + for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) + { + if (Pkg->CurrentVer == 0) + { + ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str()); + continue; + } + else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto) + { + if (MarkAuto == false) + ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str()); + else + ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str()); + continue; + } + + if (MarkAuto == false) + ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str()); + else + ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str()); + + DepCache->MarkAuto(Pkg, MarkAuto); + ++AutoMarkChanged; + } + if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false) + return DepCache->writeStateFile(NULL); + return true; +} + /*}}}*/ +/* DoMarkAuto - mark packages as automatically/manually installed {{{*/ +/* Does the same as DoAuto but tries to do it exactly the same why as + the python implementation did it so it can be a drop-in replacement */ +static bool DoMarkAuto(CommandLine &CmdL) +{ + pkgCacheFile CacheFile; + pkgDepCache * const DepCache = CacheFile.GetDepCache(); + if (unlikely(DepCache == nullptr)) + return false; + + APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); + if (pkgset.empty() == true) + return _error->Error(_("No packages found")); + + bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0; + bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false); + int AutoMarkChanged = 0; + + for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) + { + if (Pkg->CurrentVer == 0 || + (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto) + continue; + + if (Verbose == true) + ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1); + + DepCache->MarkAuto(Pkg, MarkAuto); + ++AutoMarkChanged; + } + if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false) + return DepCache->writeStateFile(NULL); + + _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead.")); + + return true; +} + /*}}}*/ +// helper for Install-Recommends-Sections and Never-MarkAuto-Sections /*{{{*/ +static bool +ConfigValueInSubTree(const char *SubTree, const char *needle) +{ + // copied from depcache.cc + Configuration::Item const *Opts; + Opts = _config->Tree(SubTree); + if (Opts != 0 && Opts->Child != 0) + { + Opts = Opts->Child; + for (; Opts != 0; Opts = Opts->Next) + { + if (Opts->Value.empty() == true) + continue; + if (strcmp(needle, Opts->Value.c_str()) == 0) + return true; + } + } + return false; +} + /*}}}*/ +/* DoMinimize - minimize manually installed {{{*/ +/* Traverses dependencies of meta packages and marks them as manually + * installed. */ +static bool DoMinimize(CommandLine &CmdL) +{ + + pkgCacheFile CacheFile; + pkgDepCache *const DepCache = CacheFile.GetDepCache(); + if (unlikely(DepCache == nullptr)) + return false; + + if (CmdL.FileList[1] != nullptr) + return _error->Error(_("%s does not take any arguments"), "apt-mark minimize-manual"); + + auto Debug = _config->FindB("Debug::AptMark::Minimize", false); + auto is_root = [&DepCache](pkgCache::PkgIterator const &pkg) { + auto ver = pkg.CurrentVer(); + return ver.end() == false && ((*DepCache)[pkg].Flags & pkgCache::Flag::Auto) == 0 && + ver->Section != 0 && + ConfigValueInSubTree("APT::Never-MarkAuto-Sections", ver.Section()); + }; + + APT::PackageSet roots; + for (auto Pkg = DepCache->PkgBegin(); Pkg.end() == false; ++Pkg) + { + if (is_root(Pkg)) + { + if (Debug) + std::clog << "Found root " << Pkg.Name() << std::endl; + roots.insert(Pkg); + } + } + + APT::PackageSet workset(roots); + APT::PackageSet seen; + APT::PackageSet changed; + + pkgDepCache::ActionGroup group(*DepCache); + + while (workset.empty() == false) + { + if (Debug) + std::clog << "Iteration\n"; + + APT::PackageSet workset2; + for (auto &Pkg : workset) + { + if (seen.find(Pkg) != seen.end()) + continue; + + seen.insert(Pkg); + + if (Debug) + std::cerr << " Visiting " << Pkg.FullName(true) << "\n"; + if (roots.find(Pkg) == roots.end() && ((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == 0) + { + DepCache->MarkAuto(Pkg, true); + changed.insert(Pkg); + } + + // Visit dependencies, add them to next working set + for (auto Dep = Pkg.CurrentVer().DependsList(); !Dep.end(); ++Dep) + { + if (DepCache->IsImportantDep(Dep) == false) + continue; + std::unique_ptr<pkgCache::Version *[]> targets(Dep.AllTargets()); + for (int i = 0; targets[i] != nullptr; i++) + { + pkgCache::VerIterator Tgt(*DepCache, targets[i]); + if (Tgt.ParentPkg()->CurrentVer != 0 && Tgt.ParentPkg().CurrentVer()->ID == Tgt->ID) + workset2.insert(Tgt.ParentPkg()); + } + } + } + + workset = std::move(workset2); + } + + if (changed.empty()) { + cout << _("No changes necessary") << endl; + return true; + } + + ShowList(c1out, _("The following packages will be marked as automatically installed:"), changed, + [](const pkgCache::PkgIterator &) { return true; }, + &PrettyFullName, + &PrettyFullName); + + if (_config->FindB("APT::Mark::Simulate", false) == false) + { + if (YnPrompt(_("Do you want to continue?"), false) == false) + return true; + + return DepCache->writeStateFile(NULL); + } + + return true; +} + /*}}}*/ + +/* ShowAuto - show automatically installed packages (sorted) {{{*/ +static bool ShowAuto(CommandLine &CmdL) +{ + pkgCacheFile CacheFile; + pkgDepCache * const DepCache = CacheFile.GetDepCache(); + if (unlikely(DepCache == nullptr)) + return false; + + std::vector<string> packages; + + bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0; + + if (CmdL.FileList[1] == 0) + { + packages.reserve(DepCache->Head().PackageCount / 3); + for (pkgCache::PkgIterator P = DepCache->PkgBegin(); P.end() == false; ++P) + if (P->CurrentVer != 0 && + (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto) + packages.push_back(P.FullName(true)); + } + else + { + APT::CacheSetHelper helper(false); // do not show errors + APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper); + packages.reserve(pkgset.size()); + for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P) + if (P->CurrentVer != 0 && + (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto) + packages.push_back(P.FullName(true)); + } + + std::sort(packages.begin(), packages.end()); + + for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I) + std::cout << *I << std::endl; + + return true; +} + /*}}}*/ +// DoSelection - wrapping around dpkg selections /*{{{*/ +static bool DoSelection(CommandLine &CmdL) +{ + pkgCacheFile CacheFile; + pkgCache * const Cache = CacheFile.GetPkgCache(); + if (unlikely(Cache == nullptr)) + 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) /*{{{*/ +{ + pkgCacheFile CacheFile; + pkgCache * const Cache = CacheFile.GetPkgCache(); + if (unlikely(Cache == nullptr)) + return false; + + pkgCache::State::PkgSelectedState selector; + if (strncasecmp(CmdL.FileList[0], "showpurge", strlen("showpurge")) == 0) + selector = pkgCache::State::Purge; + else if (strncasecmp(CmdL.FileList[0], "showdeinstall", strlen("showdeinstall")) == 0 || + strncasecmp(CmdL.FileList[0], "showremove", strlen("showremove")) == 0) + selector = pkgCache::State::DeInstall; + else if (strncasecmp(CmdL.FileList[0], "showhold", strlen("showhold")) == 0) + selector = pkgCache::State::Hold; + else //if (strcasecmp(CmdL.FileList[0], "showinstall", strlen("showinstall")) == 0) + selector = pkgCache::State::Install; + + std::vector<string> packages; + + if (CmdL.FileList[1] == 0) + { + packages.reserve(50); // how many holds are realistic? I hope just a few… + for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) + if (P->SelectedState == selector) + packages.push_back(P.FullName(true)); + } + else + { + APT::CacheSetHelper helper(false); // do not show errors + APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper); + packages.reserve(pkgset.size()); + for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P) + if (P->SelectedState == selector) + packages.push_back(P.FullName(true)); + } + + std::sort(packages.begin(), packages.end()); + + for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I) + std::cout << *I << std::endl; + + return true; +} + /*}}}*/ +static bool ShowHelp(CommandLine &) /*{{{*/ +{ + std::cout << + _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n" + "\n" + "apt-mark is a simple command line interface for marking packages\n" + "as manually or automatically installed. It can also be used to\n" + "manipulate the dpkg(1) selection states of packages, and to list\n" + "all packages with or without a certain marking.\n"); + return true; +} + /*}}}*/ +static std::vector<aptDispatchWithHelp> GetCommands() /*{{{*/ +{ + return { + {"auto",&DoAuto, _("Mark the given packages as automatically installed")}, + {"manual",&DoAuto, _("Mark the given packages as manually installed")}, + {"minimize-manual", &DoMinimize, _("Mark all dependencies of meta packages as automatically installed.")}, + {"hold",&DoSelection, _("Mark a package as held back")}, + {"unhold",&DoSelection, _("Unset a package set as held back")}, + {"install",&DoSelection, nullptr}, + {"remove",&DoSelection, nullptr}, // dpkg uses deinstall, but we use remove everywhere else + {"deinstall",&DoSelection, nullptr}, + {"purge",&DoSelection, nullptr}, + {"showauto",&ShowAuto, _("Print the list of automatically installed packages")}, + {"showmanual",&ShowAuto, _("Print the list of manually installed packages")}, + {"showhold",&ShowSelection, _("Print the list of packages on hold")}, {"showholds",&ShowSelection, nullptr}, + {"showinstall",&ShowSelection, nullptr}, {"showinstalls",&ShowSelection, nullptr}, + {"showdeinstall",&ShowSelection, nullptr}, {"showdeinstalls",&ShowSelection, nullptr}, + {"showremove",&ShowSelection, nullptr}, {"showremoves",&ShowSelection, nullptr}, + {"showpurge",&ShowSelection, nullptr}, {"showpurges",&ShowSelection, nullptr}, + // obsolete commands for compatibility + {"markauto", &DoMarkAuto, nullptr}, + {"unmarkauto", &DoMarkAuto, nullptr}, + {nullptr, nullptr, nullptr} + }; +} + /*}}}*/ +int main(int argc,const char *argv[]) /*{{{*/ +{ + CommandLine CmdL; + auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_MARK, &_config, &_system, argc, argv, &ShowHelp, &GetCommands); + + InitOutput(); + + return DispatchCommandLine(CmdL, Cmds); +} + /*}}}*/ |