Move sysconf(_SC_OPEN_MAX); out of the for() loop to avoid unneeded syscalls

[apt.git] / cmdline / apt.cc

diff --git a/cmdline/apt.cc b/cmdline/apt.cc
index 4bcae0aba8ac71a07f9bc30d4e2679e899d83af7..2cfdf8e8e4e046da431f911bc14fb1ee3567cddf 100644 (file)
--- a/cmdline/apt.cc
+++ b/cmdline/apt.cc
@@ -11,39 +11,12 @@
 // Include Files                                                       /*{{{*/
 #include<config.h>
 
-#include <cassert>
-#include <locale.h>
-#include <iostream>
-#include <unistd.h>
-#include <errno.h>
-#include <regex.h>
-#include <stdio.h>
-#include <iomanip>
-#include <algorithm>
-
-
+#include <apt-pkg/cmndline.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/cachefile.h>
-#include <apt-pkg/cacheset.h>
 #include <apt-pkg/init.h>
-#include <apt-pkg/progress.h>
-#include <apt-pkg/sourcelist.h>
-#include <apt-pkg/cmndline.h>
-#include <apt-pkg/strutl.h>
-#include <apt-pkg/fileutl.h>
-#include <apt-pkg/pkgrecords.h>
-#include <apt-pkg/srcrecords.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/policy.h>
-#include <apt-pkg/tagfile.h>
-#include <apt-pkg/algorithms.h>
-#include <apt-pkg/sptr.h>
 #include <apt-pkg/pkgsystem.h>
-#include <apt-pkg/indexfile.h>
-#include <apt-pkg/metaindex.h>
-#include <apt-pkg/hashes.h>
-
-#include <apti18n.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/configuration.h>
 
 #include <apt-private/private-list.h>
 #include <apt-private/private-search.h>
@@ -55,13 +28,16 @@
 #include <apt-private/private-upgrade.h>
 #include <apt-private/private-show.h>
 #include <apt-private/private-main.h>
-#include <apt-private/private-utils.h>
 #include <apt-private/private-sources.h>
-                                                                       /*}}}*/
 
+#include <unistd.h>
+#include <iostream>
+#include <vector>
 
+#include <apti18n.h>
+                                                                       /*}}}*/
 
-bool ShowHelp(CommandLine &CmdL)
+static bool ShowHelp(CommandLine &)
 {
    ioprintf(c1out,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
            COMMON_ARCH,__DATE__,__TIME__);
@@ -71,14 +47,18 @@ bool ShowHelp(CommandLine &CmdL)
     _("Usage: apt [options] command\n"
       "\n"
       "CLI for apt.\n"
-      "Commands: \n"
+      "Basic commands: \n"
       " list - list packages based on package names\n"
       " search - search in package descriptions\n"
       " show - show package details\n"
       "\n"
       " update - update list of available packages\n"
+      "\n"
       " install - install packages\n"
-      " upgrade - upgrade the systems packages\n"
+      " remove  - remove packages\n"
+      "\n"
+      " upgrade - upgrade the system by installing/upgrading packages\n"
+      " full-upgrade - upgrade the system by removing/installing/upgrading packages\n"
       "\n"
       " edit-sources - edit the source information file\n"
        );
@@ -88,16 +68,27 @@ bool ShowHelp(CommandLine &CmdL)
 
 int main(int argc, const char *argv[])                                 /*{{{*/
 {
-   CommandLine::Dispatch Cmds[] = {{"list",&List},
+   CommandLine::Dispatch Cmds[] = {
+                                   // query
+                                   {"list",&DoList},
                                    {"search", &FullTextSearch},
                                    {"show", &APT::Cmd::ShowPackage},
-                                   // needs root
+
+                                   // package stuff
                                    {"install",&DoInstall},
                                    {"remove", &DoInstall},
+                                   {"purge", &DoInstall},
+
+                                   // system wide stuff
                                    {"update",&DoUpdate},
-                                   {"upgrade",&DoUpgradeWithAllowNewPackages},
+                                   {"upgrade",&DoUpgrade},
+                                   {"full-upgrade",&DoDistUpgrade},
+                                   // for compat with muscle memory
+                                   {"dist-upgrade",&DoDistUpgrade},
+
                                    // misc
                                    {"edit-sources",&EditSources},
+
                                    // helper
                                    {"moo",&DoMoo},
                                    {"help",&ShowHelp},
@@ -105,17 +96,10 @@ int main(int argc, const char *argv[])                                     /*{{{*/
 
    std::vector<CommandLine::Args> Args = getCommandArgs("apt", CommandLine::GetCommand(Cmds, argc, argv));
 
-   if(!isatty(1)) 
-   {
-      std::cerr << std::endl
-                << "WARNING WARNING "
-                << argv[0]
-                << " is *NOT* intended for scripts "
-                << "use at your own peril^Wrisk"
-                << std::endl
-                << std::endl;
-   }
+   // Init the signals
+   InitSignals();
 
+   // Init the output
    InitOutput();
 
    // Set up gettext support
@@ -128,9 +112,11 @@ int main(int argc, const char *argv[])                                     /*{{{*/
         return 100;
     }
 
-   // FIXME: move into a new libprivate/private-install.cc:Install()
-   _config->Set("DPkgPM::Progress", "1");
-   _config->Set("Apt::Color", "1");
+    // some different defaults
+   _config->CndSet("DPkg::Progress-Fancy", "1");
+   _config->CndSet("Apt::Color", "1");
+   _config->CndSet("APT::Get::Upgrade-Allow-New", true);
+   _config->CndSet("APT::Cmd::Show-Update-Stats", true);
 
    // Parse the command line and initialize the package library
    CommandLine CmdL(Args.data(), _config);
@@ -141,6 +127,17 @@ int main(int argc, const char *argv[])                                     /*{{{*/
       return 100;
    }
 
+   if(!isatty(STDOUT_FILENO) && 
+      _config->FindB("Apt::Cmd::Disable-Script-Warning", false) == false)
+   {
+      std::cerr << std::endl
+                << "WARNING: " << argv[0] << " "
+                << "does not have a stable CLI interface yet. "
+                << "Use with caution in scripts."
+                << std::endl
+                << std::endl;
+   }
+
    // See if the help should be shown
    if (_config->FindB("help") == true ||
        _config->FindB("version") == true ||