* use mark-and-sweep from aptitude now as GC algorithm

[apt.git] / cmdline / apt-get.cc

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index c36bac1a50e741c58f24f200deebf391fe410e5c..9d97f8756eb9abf5f91e6ef9100bcba426891267 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: apt-get.cc,v 1.153 2004/01/26 18:10:57 mdz Exp $
+// $Id: apt-get.cc,v 1.156 2004/08/28 01:05:16 mdz Exp $

 /* ######################################################################
    
    apt-get - Cover for dpkg
 /* ######################################################################
    
    apt-get - Cover for dpkg


@@ -58,6 +58,7 @@
 #include <errno.h>
 #include <regex.h>
 #include <sys/wait.h>
 #include <errno.h>
 #include <regex.h>
 #include <sys/wait.h>

+#include <sstream>

                                                                        /*}}}*/
 
 using namespace std;
                                                                        /*}}}*/
 
 using namespace std;


@@ -111,7 +112,7 @@ class CacheFile : public pkgCacheFile
 // YnPrompt - Yes No Prompt.                                           /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns true on a Yes.*/
 // YnPrompt - Yes No Prompt.                                           /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns true on a Yes.*/

-bool YnPrompt()
+bool YnPrompt(bool Default=true)

 {
    if (_config->FindB("APT::Get::Assume-Yes",false) == true)
    {
 {
    if (_config->FindB("APT::Get::Assume-Yes",false) == true)
    {


@@ -126,7 +127,7 @@ bool YnPrompt()
       return false;
 
    if (strlen(response) == 0)
       return false;
 
    if (strlen(response) == 0)

-      return true;
+      return Default;

 
    regex_t Pattern;
    int Res;
 
    regex_t Pattern;
    int Res;


@@ -270,7 +271,7 @@ void ShowBroken(ostream &out,CacheFile &Cache,bool Now)
         // Compute a single dependency element (glob or)
         pkgCache::DepIterator Start;
         pkgCache::DepIterator End;
         // Compute a single dependency element (glob or)
         pkgCache::DepIterator Start;
         pkgCache::DepIterator End;

-        D.GlobOr(Start,End);
+        D.GlobOr(Start,End); // advances D

 
         if (Cache->IsImportantDep(End) == false)
            continue;
 
         if (Cache->IsImportantDep(End) == false)
            continue;


@@ -541,9 +542,10 @@ bool ShowEssential(ostream &out,CacheFile &Cache)
    }
    
    delete [] Added;
    }
    
    delete [] Added;

-   return ShowList(out,_("WARNING: The following essential packages will be removed\n"
+   return ShowList(out,_("WARNING: The following essential packages will be removed.\n"

                         "This should NOT be done unless you know exactly what you are doing!"),List,VersionsList);
 }
                         "This should NOT be done unless you know exactly what you are doing!"),List,VersionsList);
 }

+

                                                                        /*}}}*/
 // Stats - Show some statistics                                                /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // Stats - Show some statistics                                                /*{{{*/
 // ---------------------------------------------------------------------


@@ -630,7 +632,7 @@ bool CacheFile::CheckDeps(bool AllowBroken)
 
    // Check that the system is OK
    if (DCache->DelCount() != 0 || DCache->InstCount() != 0)
 
    // Check that the system is OK
    if (DCache->DelCount() != 0 || DCache->InstCount() != 0)

-      return _error->Error("Internal Error, non-zero counts");
+      return _error->Error("Internal error, non-zero counts");

    
    // Apply corrections for half-installed packages
    if (pkgApplyStatus(*DCache) == false)
    
    // Apply corrections for half-installed packages
    if (pkgApplyStatus(*DCache) == false)


@@ -666,6 +668,49 @@ bool CacheFile::CheckDeps(bool AllowBroken)
       
    return true;
 }
       
    return true;
 }

+
+static bool CheckAuth(pkgAcquire& Fetcher)
+{
+   string UntrustedList;
+   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd(); ++I)
+   {
+      if (!(*I)->IsTrusted())
+      {
+         UntrustedList += string((*I)->ShortDesc()) + " ";
+      }
+   }
+
+   if (UntrustedList == "")
+   {
+      return true;
+   }
+        
+   ShowList(c2out,_("WARNING: The following packages cannot be authenticated!"),UntrustedList,"");
+
+   if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
+   {
+      c2out << "Authentication warning overridden.\n";
+      return true;
+   }
+
+   if (_config->FindI("quiet",0) < 2
+       && _config->FindB("APT::Get::Assume-Yes",false) == false)
+   {
+      c2out << _("Install these packages without verification [y/N]? ") << flush;
+      if (!YnPrompt(false))
+         return _error->Error(_("Some packages could not be authenticated"));
+
+      return true;
+   }
+   else if (_config->FindB("APT::Get::Force-Yes",false) == true)
+   {
+      return true;
+   }
+
+   return _error->Error(_("There are problems and -y was used without --force-yes"));
+}
+
+

                                                                        /*}}}*/
 
 // InstallPackages - Actually download and install the packages                /*{{{*/
                                                                        /*}}}*/
 
 // InstallPackages - Actually download and install the packages                /*{{{*/


@@ -673,7 +718,7 @@ bool CacheFile::CheckDeps(bool AllowBroken)
 /* This displays the informative messages describing what is going to 
    happen and then calls the download routines */
 bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
 /* This displays the informative messages describing what is going to 
    happen and then calls the download routines */
 bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,

-                    bool Saftey = true)
+                    bool Safety = true)

 {
    if (_config->FindB("APT::Get::Purge",false) == true)
    {
 {
    if (_config->FindB("APT::Get::Purge",false) == true)
    {


@@ -701,12 +746,12 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
         Essential = !ShowEssential(c1out,Cache);
    Fail |= Essential;
    Stats(c1out,Cache);
         Essential = !ShowEssential(c1out,Cache);
    Fail |= Essential;
    Stats(c1out,Cache);

-   
+

    // Sanity check
    if (Cache->BrokenCount() != 0)
    {
       ShowBroken(c1out,Cache,false);
    // Sanity check
    if (Cache->BrokenCount() != 0)
    {
       ShowBroken(c1out,Cache,false);

-      return _error->Error("Internal Error, InstallPackages was called with broken packages!");
+      return _error->Error("Internal error, InstallPackages was called with broken packages!");

    }
 
    if (Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
    }
 
    if (Cache->DelCount() == 0 && Cache->InstCount() == 0 &&


@@ -715,7 +760,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
 
    // No remove flag
    if (Cache->DelCount() != 0 && _config->FindB("APT::Get::Remove",true) == false)
 
    // No remove flag
    if (Cache->DelCount() != 0 && _config->FindB("APT::Get::Remove",true) == false)

-      return _error->Error(_("Packages need to be removed but Remove is disabled."));
+      return _error->Error(_("Packages need to be removed but remove is disabled."));

        
    // Run the simulator ..
    if (_config->FindB("APT::Get::Simulate") == true)
        
    // Run the simulator ..
    if (_config->FindB("APT::Get::Simulate") == true)


@@ -725,7 +770,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
       if (Res == pkgPackageManager::Failed)
         return false;
       if (Res != pkgPackageManager::Completed)
       if (Res == pkgPackageManager::Failed)
         return false;
       if (Res != pkgPackageManager::Completed)

-        return _error->Error("Internal Error, Ordering didn't finish");
+        return _error->Error("Internal error, Ordering didn't finish");

       return true;
    }
    
       return true;
    }
    


@@ -811,14 +856,14 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
         return _error->Error(_("There are problems and -y was used without --force-yes"));
    }         
 
         return _error->Error(_("There are problems and -y was used without --force-yes"));
    }         
 

-   if (Essential == true && Saftey == true)
+   if (Essential == true && Safety == true)

    {
       if (_config->FindB("APT::Get::Trivial-Only",false) == true)
         return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
       
       const char *Prompt = _("Yes, do as I say!");
       ioprintf(c2out,
    {
       if (_config->FindB("APT::Get::Trivial-Only",false) == true)
         return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
       
       const char *Prompt = _("Yes, do as I say!");
       ioprintf(c2out,

-              _("You are about to do something potentially harmful\n"
+              _("You are about to do something potentially harmful.\n"

                 "To continue type in the phrase '%s'\n"
                 " ?] "),Prompt);
       c2out << flush;
                 "To continue type in the phrase '%s'\n"
                 " ?] "),Prompt);
       c2out << flush;


@@ -839,7 +884,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
         if (_config->FindI("quiet",0) < 2 &&
             _config->FindB("APT::Get::Assume-Yes",false) == false)
         {
         if (_config->FindI("quiet",0) < 2 &&
             _config->FindB("APT::Get::Assume-Yes",false) == false)
         {

-           c2out << _("Do you want to continue? [Y/n] ") << flush;
+           c2out << _("Do you want to continue [Y/n]? ") << flush;

         
            if (YnPrompt() == false)
            {
         
            if (YnPrompt() == false)
            {


@@ -860,6 +905,9 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
       return true;
    }
 
       return true;
    }
 

+   if (!CheckAuth(Fetcher))
+      return false;
+

    /* Unlock the dpkg lock if we are not going to be doing an install
       after. */
    if (_config->FindB("APT::Get::Download-Only",false) == true)
    /* Unlock the dpkg lock if we are not going to be doing an install
       after. */
    if (_config->FindB("APT::Get::Download-Only",false) == true)


@@ -943,9 +991,9 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
       if (Failed == true && PM->FixMissing() == false)
       {
         cerr << _("Unable to correct missing packages.") << endl;
       if (Failed == true && PM->FixMissing() == false)
       {
         cerr << _("Unable to correct missing packages.") << endl;

-        return _error->Error(_("Aborting Install."));
+        return _error->Error(_("Aborting install."));

       }
       }

-                
+

       _system->UnLock();
       pkgPackageManager::OrderResult Res = PM->DoInstall();
       if (Res == pkgPackageManager::Failed || _error->PendingError() == true)
       _system->UnLock();
       pkgPackageManager::OrderResult Res = PM->DoInstall();
       if (Res == pkgPackageManager::Failed || _error->PendingError() == true)


@@ -1252,19 +1300,25 @@ bool DoUpdate(CommandLine &CmdL)
    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
    pkgAcquire Fetcher(&Stat);
 
    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
    pkgAcquire Fetcher(&Stat);
 

-   // Populate it with the source selection
-   if (List.GetIndexes(&Fetcher) == false)
-        return false;

    
    // Just print out the uris an exit if the --print-uris flag was used
    if (_config->FindB("APT::Get::Print-URIs") == true)
    {
    
    // Just print out the uris an exit if the --print-uris flag was used
    if (_config->FindB("APT::Get::Print-URIs") == true)
    {

+      // Populate it with the source selection and get all Indexes 
+      // (GetAll=true)
+      if (List.GetIndexes(&Fetcher,true) == false)
+        return false;
+

       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
               I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
       return true;
    }
       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
               I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
       return true;
    }

+
+   // Populate it with the source selection
+   if (List.GetIndexes(&Fetcher) == false)
+        return false;

    
    // Run it
    if (Fetcher.Run() == pkgAcquire::Failed)
    
    // Run it
    if (Fetcher.Run() == pkgAcquire::Failed)


@@ -1302,6 +1356,47 @@ bool DoUpdate(CommandLine &CmdL)
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

+// DoAutomaticRemove - Remove all automatic unused packages            /*{{{*/
+// ---------------------------------------------------------------------
+/* Remove unused automatic packages */
+bool DoAutomaticRemove(CacheFile &Cache)
+{
+   if(_config->FindI("Debug::pkgAutoRemove",false))
+      std::cout << "DoAutomaticRemove()" << std::endl;
+
+   if (_config->FindB("APT::Get::Remove",true) == false)
+      return _error->Error(_("We are not supposed to delete stuff, can't "
+                            "start AutoRemover"));
+
+   // do the actual work
+   pkgMarkUsed(Cache);
+
+   // look over the cache to see what can be removed
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
+   {
+      if (Cache[Pkg].Garbage &&
+          (Pkg->CurrentVer != 0 && Cache[Pkg].Install() == false && 
+          Cache[Pkg].Delete() == false))
+      {
+         fprintf(stdout,"We could delete %s\n", Pkg.Name());
+         Cache->MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false));
+      }
+   }
+
+   // Now see if we destroyed anything
+   if (Cache->BrokenCount() != 0)
+   {
+      c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n"
+                "shouldn't happen. Please file a bug report against apt.") << endl;
+      c1out << endl;
+      c1out << _("The following information may help to resolve the situation:") << endl;
+      c1out << endl;
+      ShowBroken(c1out,Cache,false);
+
+      return _error->Error(_("Internal Error, AutoRemover broke stuff"));
+   }
+   return true;
+}

 // DoUpgrade - Upgrade all packages                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old
 // DoUpgrade - Upgrade all packages                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old


@@ -1316,7 +1411,7 @@ bool DoUpgrade(CommandLine &CmdL)
    if (pkgAllUpgrade(Cache) == false)
    {
       ShowBroken(c1out,Cache,false);
    if (pkgAllUpgrade(Cache) == false)
    {
       ShowBroken(c1out,Cache,false);

-      return _error->Error(_("Internal Error, AllUpgrade broke stuff"));
+      return _error->Error(_("Internal error, AllUpgrade broke stuff"));

    }
    
    return InstallPackages(Cache,true);
    }
    
    return InstallPackages(Cache,true);


@@ -1327,6 +1422,15 @@ bool DoUpgrade(CommandLine &CmdL)
 /* Install named packages */
 bool DoInstall(CommandLine &CmdL)
 {
 /* Install named packages */
 bool DoInstall(CommandLine &CmdL)
 {

+   // Lock the list directory
+   FileFd Lock;
+   if (_config->FindB("Debug::NoLocking",false) == false)
+   {
+      Lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
+      if (_error->PendingError() == true)
+        return _error->Error(_("Unable to lock the list directory"));
+   }
+   

    CacheFile Cache;
    if (Cache.OpenForInstall() == false || 
        Cache.CheckDeps(CmdL.FileSize() != 1) == false)
    CacheFile Cache;
    if (Cache.OpenForInstall() == false || 
        Cache.CheckDeps(CmdL.FileSize() != 1) == false)


@@ -1493,6 +1597,11 @@ bool DoInstall(CommandLine &CmdL)
       return _error->Error(_("Broken packages"));
    }   
    
       return _error->Error(_("Broken packages"));
    }   
    

+   if (_config->FindB("APT::Get::AutomaticRemove")) {
+      if (!DoAutomaticRemove(Cache)) 
+        return false;
+   }
+

    /* Print out a list of packages that are going to be installed extra
       to what the user asked */
    if (Cache->InstCount() != ExpectedInst)
    /* Print out a list of packages that are going to be installed extra
       to what the user asked */
    if (Cache->InstCount() != ExpectedInst)


@@ -1512,8 +1621,8 @@ bool DoInstall(CommandLine &CmdL)
         
         if (*J == 0) {
            List += string(I.Name()) + " ";
         
         if (*J == 0) {
            List += string(I.Name()) + " ";

-        VersionsList += string(Cache[I].CandVersion) + "\n";
-     }
+           VersionsList += string(Cache[I].CandVersion) + "\n";
+        }

       }
       
       ShowList(c1out,_("The following extra packages will be installed:"),List,VersionsList);
       }
       
       ShowList(c1out,_("The following extra packages will be installed:"),List,VersionsList);


@@ -1533,11 +1642,11 @@ bool DoInstall(CommandLine &CmdL)
 
         for (pkgCache::VerIterator V = I.VersionList(); V.end() == false; V++)
          {
 
         for (pkgCache::VerIterator V = I.VersionList(); V.end() == false; V++)
          {

-            for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
+            for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; )

              {
                 pkgCache::DepIterator Start;
                 pkgCache::DepIterator End;
              {
                 pkgCache::DepIterator Start;
                 pkgCache::DepIterator End;

-                D.GlobOr(Start,End);
+                D.GlobOr(Start,End); // advances D

 
                 /* 
                  * If this is a virtual package, we need to check the list of
 
                 /* 
                  * If this is a virtual package, we need to check the list of


@@ -1608,7 +1717,7 @@ bool DoDistUpgrade(CommandLine &CmdL)
    if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
       return false;
 
    if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
       return false;
 

-   c0out << _("Calculating Upgrade... ") << flush;
+   c0out << _("Calculating upgrade... ") << flush;

    if (pkgDistUpgrade(*Cache) == false)
    {
       c0out << _("Failed") << endl;
    if (pkgDistUpgrade(*Cache) == false)
    {
       c0out << _("Failed") << endl;


@@ -1681,7 +1790,7 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
       if (Fix.Resolve() == false)
       {
         ShowBroken(c1out,Cache,false);
       if (Fix.Resolve() == false)
       {
         ShowBroken(c1out,Cache,false);

-        return _error->Error("Internal Error, problem resolver broke stuff");
+        return _error->Error("Internal error, problem resolver broke stuff");

       }
    }
 
       }
    }
 


@@ -1689,7 +1798,7 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
    if (pkgAllUpgrade(Cache) == false)
    {
       ShowBroken(c1out,Cache,false);
    if (pkgAllUpgrade(Cache) == false)
    {
       ShowBroken(c1out,Cache,false);

-      return _error->Error("Internal Error, problem resolver broke stuff");
+      return _error->Error("Internal error, problem resolver broke stuff");

    }
    
    return InstallPackages(Cache,false);
    }
    
    return InstallPackages(Cache,false);


@@ -1877,7 +1986,7 @@ bool DoSource(CommandLine &CmdL)
    if (_config->FindB("APT::Get::Simulate",false) == true)
    {
       for (unsigned I = 0; I != J; I++)
    if (_config->FindB("APT::Get::Simulate",false) == true)
    {
       for (unsigned I = 0; I != J; I++)

-        ioprintf(cout,_("Fetch Source %s\n"),Dsc[I].Package.c_str());
+        ioprintf(cout,_("Fetch source %s\n"),Dsc[I].Package.c_str());

       return true;
    }
    
       return true;
    }
    


@@ -2262,7 +2371,7 @@ bool ShowHelp(CommandLine &CmdL)
            
    if (_config->FindB("version") == true)
    {
            
    if (_config->FindB("version") == true)
    {

-      cout << _("Supported Modules:") << endl;
+      cout << _("Supported modules:") << endl;

       
       for (unsigned I = 0; I != pkgVersioningSystem::GlobalListLen; I++)
       {
       
       for (unsigned I = 0; I != pkgVersioningSystem::GlobalListLen; I++)
       {


@@ -2337,7 +2446,7 @@ bool ShowHelp(CommandLine &CmdL)
       "  -b  Build the source package after fetching it\n"
       "  -V  Show verbose version numbers\n"
       "  -c=? Read this configuration file\n"
       "  -b  Build the source package after fetching it\n"
       "  -V  Show verbose version numbers\n"
       "  -c=? Read this configuration file\n"

-      "  -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp\n"
+      "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"

       "See the apt-get(8), sources.list(5) and apt.conf(5) manual\n"
       "pages for more information and options.\n"
       "                       This APT has Super Cow Powers.\n");
       "See the apt-get(8), sources.list(5) and apt.conf(5) manual\n"
       "pages for more information and options.\n"
       "                       This APT has Super Cow Powers.\n");


@@ -2356,7 +2465,8 @@ void GetInitialize()
    _config->Set("APT::Get::Assume-Yes",false);
    _config->Set("APT::Get::Fix-Broken",false);
    _config->Set("APT::Get::Force-Yes",false);
    _config->Set("APT::Get::Assume-Yes",false);
    _config->Set("APT::Get::Fix-Broken",false);
    _config->Set("APT::Get::Force-Yes",false);

-   _config->Set("APT::Get::APT::Get::No-List-Cleanup",true);
+   _config->Set("APT::Get::List-Cleanup",true);
+   _config->Set("APT::Get::AutomaticRemove",false);

 }
                                                                        /*}}}*/
 // SigWinch - Window size change signal handler                                /*{{{*/
 }
                                                                        /*}}}*/
 // SigWinch - Window size change signal handler                                /*{{{*/


@@ -2412,6 +2522,8 @@ int main(int argc,const char *argv[])
       {0,"remove","APT::Get::Remove",0},
       {0,"only-source","APT::Get::Only-Source",0},
       {0,"arch-only","APT::Get::Arch-Only",0},
       {0,"remove","APT::Get::Remove",0},
       {0,"only-source","APT::Get::Only-Source",0},
       {0,"arch-only","APT::Get::Arch-Only",0},

+      {0,"automatic-remove","APT::Get::AutomaticRemove",0},
+      {0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},

       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,0,0,0}};
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,0,0,0}};