* cmdline/apt-mark.cc:

  - reimplement apt-mark in c++

1 files changed, 257 insertions, 0 deletions

diff --git a/cmdline/apt-mark.cc b/cmdline/apt-mark.cc
new file mode 100644
index 000000000..a5dc45a10
--- /dev/null
+++ b/cmdline/apt-mark.cc
@@ -0,0 +1,257 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* #####################################################################
+   apt-mark - show and change auto-installed bit information
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/cmndline.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/init.h>
+#include <apt-pkg/strutl.h>
+
+#include <config.h>
+#include <apti18n.h>
+
+#include <algorithm>
+									/*}}}*/
+using namespace std;
+
+ostream c0out(0);
+ostream c1out(0);
+ostream c2out(0);
+ofstream devnull("/dev/null");
+/* DoAuto - mark packages as automatically/manually installed		{{{*/
+bool DoAuto(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   pkgDepCache *DepCache = CacheFile.GetDepCache();
+   if (unlikely(Cache == NULL || DepCache == NULL))
+      return false;
+
+   APT::PackageSet pkgset = APT::PackageSet::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::PackageSet::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 */
+bool DoMarkAuto(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   pkgDepCache *DepCache = CacheFile.GetDepCache();
+   if (unlikely(Cache == NULL || DepCache == NULL))
+      return false;
+
+   APT::PackageSet pkgset = APT::PackageSet::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::PackageSet::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;
+}
+									/*}}}*/
+/* ShowAuto - show automatically installed packages (sorted)		{{{*/
+bool ShowAuto(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   pkgDepCache *DepCache = CacheFile.GetDepCache();
+   if (unlikely(Cache == NULL || DepCache == NULL))
+      return false;
+
+   std::vector<string> packages;
+
+   bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
+
+   if (CmdL.FileList[1] == 0)
+   {
+      packages.reserve(Cache->HeaderP->PackageCount / 3);
+      for (pkgCache::PkgIterator P = Cache->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;
+}
+									/*}}}*/
+// ShowHelp - Show a help screen					/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowHelp(CommandLine &CmdL)
+{
+   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
+	    COMMON_ARCH,__DATE__,__TIME__);
+
+   cout <<
+    _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n"
+      "\n"
+      "apt-mark is a simple command line interface for marking packages\n"
+      "as manual or automatical installed. It can also list marks.\n"
+      "\n"
+      "Commands:\n"
+      "   auto - Mark the given packages as automatically installed\n"
+      "   manual - Mark the given packages as manually installed\n"
+      "\n"
+      "Options:\n"
+      "  -h  This help text.\n"
+      "  -q  Loggable output - no progress indicator\n"
+      "  -qq No output except for errors\n"
+      "  -s  No-act. Just prints what would be done.\n"
+      "  -f  read/write auto/manual marking in the given file\n"
+      "  -c=? Read this configuration file\n"
+      "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
+      "See the apt-mark(8) and apt.conf(5) manual pages for more information.")
+      << std::endl;
+   return true;
+}
+									/*}}}*/
+int main(int argc,const char *argv[])					/*{{{*/
+{
+   CommandLine::Args Args[] = {
+      {'h',"help","help",0},
+      {0,"version","version",0},
+      {'q',"quiet","quiet",CommandLine::IntLevel},
+      {'q',"silent","quiet",CommandLine::IntLevel},
+      {'v',"verbose","APT::MarkAuto::Verbose",0},
+      {'s',"simulate","APT::Mark::Simulate",0},
+      {'s',"just-print","APT::Mark::Simulate",0},
+      {'s',"recon","APT::Mark::Simulate",0},
+      {'s',"dry-run","APT::Mark::Simulate",0},
+      {'s',"no-act","APT::Mark::Simulate",0},
+      {'f',"file","Dir::State::extended_states",CommandLine::HasArg},
+      {'c',"config-file",0,CommandLine::ConfigFile},
+      {'o',"option",0,CommandLine::ArbItem},
+      {0,0,0,0}};
+   CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
+				   {"auto",&DoAuto},
+				   {"manual",&DoAuto},
+				   {"showauto",&ShowAuto},
+				   {"showmanual",&ShowAuto},
+				   // obsolete commands for compatibility
+				   {"markauto", &DoMarkAuto},
+				   {"unmarkauto", &DoMarkAuto},
+                                   {0,0}};
+
+   // Set up gettext support
+   setlocale(LC_ALL,"");
+   textdomain(PACKAGE);
+
+   // Parse the command line and initialize the package library
+   CommandLine CmdL(Args,_config);
+   if (pkgInitConfig(*_config) == false ||
+       CmdL.Parse(argc,argv) == false ||
+       pkgInitSystem(*_config,_system) == false)
+   {
+      if (_config->FindB("version") == true)
+	 ShowHelp(CmdL);
+      _error->DumpErrors();
+      return 100;
+   }
+
+   // See if the help should be shown
+   if (_config->FindB("help") == true ||
+       _config->FindB("version") == true ||
+       CmdL.FileSize() == 0)
+   {
+      ShowHelp(CmdL);
+      return 0;
+   }
+
+   // Deal with stdout not being a tty
+   if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
+      _config->Set("quiet","1");
+
+   // Setup the output streams
+   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());
+
+   // Match the operation
+   CmdL.DispatchArg(Cmds);
+
+   // Print any errors or warnings found during parsing
+   bool const Errors = _error->PendingError();
+   if (_config->FindI("quiet",0) > 0)
+      _error->DumpErrors();
+   else
+      _error->DumpErrors(GlobalError::DEBUG);
+   return Errors == true ? 100 : 0;
+}
+									/*}}}*/