Adding upstream version 2.7.12.upstream/2.7.12

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 476 insertions, 0 deletions

diff --git a/cmdline/apt-mark.cc b/cmdline/apt-mark.cc
new file mode 100644
index 0000000..33716bb
--- /dev/null
+++ b/cmdline/apt-mark.cc
@@ -0,0 +1,476 @@
+// -*- 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);
+}
+									/*}}}*/