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-rw-r--r--cmdline/apt-mark.cc476
1 files changed, 476 insertions, 0 deletions
diff --git a/cmdline/apt-mark.cc b/cmdline/apt-mark.cc
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+++ b/cmdline/apt-mark.cc
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+// -*- 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 <cerrno>
+#include <cstddef>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <fcntl.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;
+ CacheFile.InhibitActionGroups(true);
+ 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;
+
+ vector<string> PackagesMarked;
+
+ 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;
+ }
+
+ PackagesMarked.push_back(Pkg.FullName(true));
+ DepCache->MarkAuto(Pkg, MarkAuto);
+ }
+
+ bool MarkWritten = false;
+ bool IsSimulation = _config->FindB("APT::Mark::Simulate", false);
+ if (PackagesMarked.size() > 0 && !IsSimulation) {
+ MarkWritten = DepCache->writeStateFile(NULL);
+ if(!MarkWritten) {
+ return MarkWritten;
+ }
+ }
+
+ if(IsSimulation || MarkWritten) {
+ for (vector<string>::const_iterator I = PackagesMarked.begin(); I != PackagesMarked.end(); ++I) {
+ if (MarkAuto == false)
+ ioprintf(c1out,_("%s set to manually installed.\n"), (*I).c_str());
+ else
+ ioprintf(c1out,_("%s set to automatically installed.\n"), (*I).c_str());
+ }
+ }
+ 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;
+ CacheFile.InhibitActionGroups(true);
+ 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 /*{{{*/
+// FIXME: Copied verbatim from apt-pkg/depcache.cc
+static bool ConfigValueInSubTree(const char* SubTree, std::string_view const needle)
+{
+ if (needle.empty())
+ return false;
+ Configuration::Item const *Opts = _config->Tree(SubTree);
+ if (Opts != nullptr && Opts->Child != nullptr)
+ {
+ Opts = Opts->Child;
+ for (; Opts != nullptr; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty())
+ continue;
+ if (needle == Opts->Value)
+ return true;
+ }
+ }
+ return false;
+}
+static bool SectionInSubTree(char const * const SubTree, std::string_view Needle)
+{
+ if (ConfigValueInSubTree(SubTree, Needle))
+ return true;
+ auto const sub = Needle.rfind('/');
+ if (sub == std::string_view::npos)
+ {
+ std::string special{"/"};
+ special.append(Needle);
+ return ConfigValueInSubTree(SubTree, special);
+ }
+ return ConfigValueInSubTree(SubTree, Needle.substr(sub + 1));
+}
+ /*}}}*/
+/* 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 &&
+ SectionInSubTree("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;
+ CacheFile.InhibitActionGroups(true);
+ 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;
+ CacheFile.InhibitActionGroups(true);
+ 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 on 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 || strncasecmp(CmdL.FileList[0], "showheld", strlen("showheld")) == 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}, {"showheld",&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);
+}
+ /*}}}*/
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