]> git.saurik.com Git - apt.git/blobdiff - apt-private/private-cmndline.cc
ensure FileFd doesn't try to open /dev/null as atomic and co
[apt.git] / apt-private / private-cmndline.cc
index c99a0afe01588096dfc761df9bf2e74804ef210a..4231c4f0ef82088ca2513ebf43d7bb3ca00d6c35 100644 (file)
@@ -7,14 +7,17 @@
 #include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/init.h>
 #include <apt-pkg/error.h>
+#include <apt-pkg/strutl.h>
 
 #include <apt-private/private-cmndline.h>
 
-#include <vector>
 #include <stdarg.h>
 #include <string.h>
 #include <stdlib.h>
 
+#include <vector>
+#include <iomanip>
+
 #include <apti18n.h>
                                                                        /*}}}*/
 
@@ -362,6 +365,59 @@ std::vector<CommandLine::Args> getCommandArgs(APT_CMD const Program, char const
                                                                        /*}}}*/
 #undef CmdMatches
 #undef addArg
+static void ShowHelpListCommands(std::vector<aptDispatchWithHelp> const &Cmds)/*{{{*/
+{
+   if (Cmds.empty() || Cmds[0].Match == nullptr)
+      return;
+   std::cout << std::endl << _("Most used commands:") << std::endl;
+   for (auto const &c: Cmds)
+   {
+      if (c.Help == nullptr)
+        continue;
+      std::cout << "  " << c.Match << " - " << c.Help << std::endl;
+   }
+}
+                                                                       /*}}}*/
+static bool ShowCommonHelp(APT_CMD const Binary, CommandLine &CmdL, std::vector<aptDispatchWithHelp> const &Cmds)/*{{{*/
+{
+   std::cout << PACKAGE << " " << PACKAGE_VERSION << " (" << COMMON_ARCH << ")" << std::endl;
+   if (_config->FindB("version") == true && Binary != APT_CMD::APT_GET)
+      return true;
+   if (ShowHelp(CmdL) == false)
+      return false;
+   if (_config->FindB("version") == true || Binary == APT_CMD::APT_FTPARCHIVE)
+      return true;
+   ShowHelpListCommands(Cmds);
+   std::cout << std::endl;
+   char const * cmd = nullptr;
+   switch (Binary)
+   {
+      case APT_CMD::APT: cmd = "apt(8)"; break;
+      case APT_CMD::APT_CACHE: cmd = "apt-cache(8)"; break;
+      case APT_CMD::APT_CDROM: cmd = "apt-cdrom(8)"; break;
+      case APT_CMD::APT_CONFIG: cmd = "apt-config(8)"; break;
+      case APT_CMD::APT_EXTRACTTEMPLATES: cmd = "apt-extracttemplates(1)"; break;
+      case APT_CMD::APT_FTPARCHIVE: cmd = "apt-ftparchive(1)"; break;
+      case APT_CMD::APT_GET: cmd = "apt-get(8)"; break;
+      case APT_CMD::APT_HELPER: cmd = nullptr; break;
+      case APT_CMD::APT_INTERNAL_SOLVER: cmd = nullptr; break;
+      case APT_CMD::APT_MARK: cmd = "apt-mark(8)"; break;
+      case APT_CMD::APT_SORTPKG: cmd = "apt-sortpkgs(1)"; break;
+   }
+   if (cmd != nullptr)
+      ioprintf(std::cout, _("See %s for more information about the available commands."), cmd);
+   std::cout << std::endl <<
+      _("Configuration options and syntax is detailed in apt.conf(5).\n"
+           "Information about how to configure sources can be found in sources.list(5).\n"
+           "Package and version choices can be expressed via apt_preferences(5).\n"
+           "Security details are available in apt-secure(8).\n");
+   if (Binary == APT_CMD::APT_GET || Binary == APT_CMD::APT)
+      std::cout << std::right << std::setw(70) << _("This APT has Super Cow Powers.") << std::endl;
+   else if (Binary == APT_CMD::APT_HELPER)
+      std::cout << std::right << std::setw(70) << _("This APT helper has Super Meep Powers.") << std::endl;
+   return true;
+}
+                                                                       /*}}}*/
 static void BinarySpecificConfiguration(char const * const Binary)     /*{{{*/
 {
    std::string const binary = flNotDir(Binary);
@@ -372,6 +428,8 @@ static void BinarySpecificConfiguration(char const * const Binary)  /*{{{*/
       _config->CndSet("Binary::apt::APT::Cache::AllVersions", false);
       _config->CndSet("Binary::apt::APT::Cache::ShowVirtuals", true);
       _config->CndSet("Binary::apt::APT::Cache::Search::Version", 2);
+      _config->CndSet("Binary::apt::APT::Cache::ShowDependencyType", true);
+      _config->CndSet("Binary::apt::APT::Cache::ShowVersion", true);
       _config->CndSet("Binary::apt::APT::Get::Upgrade-Allow-New", true);
       _config->CndSet("Binary::apt::APT::Cmd::Show-Update-Stats", true);
       _config->CndSet("Binary::apt::DPkg::Progress-Fancy", true);
@@ -383,7 +441,7 @@ static void BinarySpecificConfiguration(char const * const Binary)  /*{{{*/
    _config->MoveSubTree(conf.c_str(), NULL);
 }
                                                                        /*}}}*/
-std::vector<CommandLine::DispatchWithHelp> ParseCommandLine(CommandLine &CmdL, APT_CMD const Binary,/*{{{*/
+std::vector<CommandLine::Dispatch> ParseCommandLine(CommandLine &CmdL, APT_CMD const Binary,/*{{{*/
       Configuration * const * const Cnf, pkgSystem ** const Sys, int const argc, const char *argv[])
 {
    if (Cnf != NULL && pkgInitConfig(**Cnf) == false)
@@ -395,7 +453,16 @@ std::vector<CommandLine::DispatchWithHelp> ParseCommandLine(CommandLine &CmdL, A
    if (likely(argc != 0 && argv[0] != NULL))
       BinarySpecificConfiguration(argv[0]);
 
-   std::vector<CommandLine::DispatchWithHelp> const Cmds = GetCommands();
+   std::vector<aptDispatchWithHelp> const CmdsWithHelp = GetCommands();
+   std::vector<CommandLine::Dispatch> Cmds;
+   if (CmdsWithHelp.empty() == false)
+   {
+      CommandLine::Dispatch const help = { "help", [](CommandLine &){return false;} };
+      Cmds.push_back(std::move(help));
+   }
+   for (auto const& cmd : CmdsWithHelp)
+      Cmds.push_back({cmd.Match, cmd.Handler});
+
    // Args running out of scope invalidates the pointer stored in CmdL,
    // but we don't use the pointer after this function, so we ignore
    // this problem for now and figure something out if we have to.
@@ -410,7 +477,7 @@ std::vector<CommandLine::DispatchWithHelp> ParseCommandLine(CommandLine &CmdL, A
        (Sys != NULL && pkgInitSystem(*_config, *Sys) == false))
    {
       if (_config->FindB("version") == true)
-        ShowHelp(CmdL, Cmds.data());
+        ShowCommonHelp(Binary, CmdL, CmdsWithHelp);
 
       _error->DumpErrors();
       exit(100);
@@ -420,18 +487,18 @@ std::vector<CommandLine::DispatchWithHelp> ParseCommandLine(CommandLine &CmdL, A
    if (_config->FindB("help") == true || _config->FindB("version") == true ||
         (CmdL.FileSize() > 0 && strcmp(CmdL.FileList[0], "help") == 0))
    {
-      ShowHelp(CmdL, Cmds.data());
+      ShowCommonHelp(Binary, CmdL, CmdsWithHelp);
       exit(0);
    }
    if (Cmds.empty() == false && CmdL.FileSize() == 0)
    {
-      ShowHelp(CmdL, Cmds.data());
+      ShowCommonHelp(Binary, CmdL, CmdsWithHelp);
       exit(1);
    }
    return Cmds;
 }
                                                                        /*}}}*/
-unsigned short DispatchCommandLine(CommandLine &CmdL, std::vector<CommandLine::DispatchWithHelp> const &Cmds)  /*{{{*/
+unsigned short DispatchCommandLine(CommandLine &CmdL, std::vector<CommandLine::Dispatch> const &Cmds)  /*{{{*/
 {
    // Match the operation
    bool const returned = Cmds.empty() ? true : CmdL.DispatchArg(Cmds.data());