Purge support

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

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 504cde33e3861ca96994b4ced67754a12da2aab6..67352c868765813fd686c338beeb9a015c1a7564 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 1.54 1999/04/19 06:03:09 jgg Exp $
+// $Id: apt-get.cc,v 1.69 1999/07/10 04:58:42 jgg Exp $

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


@@ -51,6 +51,8 @@
 #include <signal.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <signal.h>
 #include <unistd.h>
 #include <stdio.h>

+#include <errno.h>
+#include <sys/wait.h>

                                                                        /*}}}*/
 
 ostream c0out;
                                                                        /*}}}*/
 
 ostream c0out;


@@ -223,8 +225,15 @@ void ShowDel(ostream &out,pkgDepCache &Dep)
    pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
    for (;I.end() != true; I++)
    pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
    for (;I.end() != true; I++)

+   {

       if (Dep[I].Delete() == true)
       if (Dep[I].Delete() == true)

-        List += string(I.Name()) + " ";
+      {
+        if ((Dep[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge)
+           List += string(I.Name()) + "* ";
+        else
+           List += string(I.Name()) + " ";
+      }
+   }

    
    ShowList(out,"The following packages will be REMOVED:",List);
 }
    
    ShowList(out,"The following packages will be REMOVED:",List);
 }


@@ -438,6 +447,16 @@ bool CacheFile::CheckDeps(bool AllowBroken)
    happen and then calls the download routines */
 bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = true)
 {
    happen and then calls the download routines */
 bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = true)
 {

+   if (_config->FindB("APT::Get::Purge",false) == true)
+   {
+      pkgCache::PkgIterator I = Cache->PkgBegin();
+      for (; I.end() == false; I++)
+      {
+        if (I.Purge() == false && Cache[I].Mode == pkgDepCache::ModeDelete)
+           Cache->MarkDelete(I,true);
+      }
+   }
+   

    bool Fail = false;
    bool Essential = false;
    
    bool Fail = false;
    bool Essential = false;
    


@@ -468,7 +487,12 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey =
    if (_config->FindB("APT::Get::Simulate") == true)
    {
       pkgSimulate PM(Cache);
    if (_config->FindB("APT::Get::Simulate") == true)
    {
       pkgSimulate PM(Cache);

-      return PM.DoInstall();
+      pkgPackageManager::OrderResult Res = PM.DoInstall();
+      if (Res == pkgPackageManager::Failed)
+        return false;
+      if (Res != pkgPackageManager::Completed)
+        return _error->Error("Internal Error, Ordering didn't finish");
+      return true;

    }
    
    // Create the text record parser
    }
    
    // Create the text record parser


@@ -523,17 +547,17 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey =
    // Number of bytes
    c1out << "Need to get ";
    if (DebBytes != FetchBytes)
    // Number of bytes
    c1out << "Need to get ";
    if (DebBytes != FetchBytes)

-      c1out << SizeToStr(FetchBytes) << "b/" << SizeToStr(DebBytes) << 'b';
+      c1out << SizeToStr(FetchBytes) << "B/" << SizeToStr(DebBytes) << 'B';

    else
    else

-      c1out << SizeToStr(DebBytes) << 'b';
+      c1out << SizeToStr(DebBytes) << 'B';

       
    c1out << " of archives. After unpacking ";
    
    // Size delta
    if (Cache->UsrSize() >= 0)
       
    c1out << " of archives. After unpacking ";
    
    // Size delta
    if (Cache->UsrSize() >= 0)

-      c1out << SizeToStr(Cache->UsrSize()) << "b will be used." << endl;
+      c1out << SizeToStr(Cache->UsrSize()) << "B will be used." << endl;

    else
    else

-      c1out << SizeToStr(-1*Cache->UsrSize()) << "b will be freed." << endl;
+      c1out << SizeToStr(-1*Cache->UsrSize()) << "B will be freed." << endl;

 
    if (_error->PendingError() == true)
       return false;
 
    if (_error->PendingError() == true)
       return false;


@@ -587,53 +611,75 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey =
    }
    
    // Run it
    }
    
    // Run it

-   if (Fetcher.Run() == false)
-      return false;
-
-   // Print out errors
-   bool Failed = false;
-   bool Transient = false;
-   for (pkgAcquire::Item **I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)
+   while (1)

    {
    {

-      if ((*I)->Status == pkgAcquire::Item::StatDone &&
-         (*I)->Complete == true)
-        continue;
+      if (_config->FindB("APT::Get::No-Download",false) == false)
+        if( Fetcher.Run() == pkgAcquire::Failed)
+           return false;

       
       

-      if ((*I)->Status == pkgAcquire::Item::StatIdle)
+      // Print out errors
+      bool Failed = false;
+      bool Transient = false;
+      for (pkgAcquire::Item **I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)

       {
       {

-        Transient = true;
+        if ((*I)->Status == pkgAcquire::Item::StatDone &&
+            (*I)->Complete == true)
+           continue;
+        
+        (*I)->Finished();
+        
+        if ((*I)->Status == pkgAcquire::Item::StatIdle)
+        {
+           Transient = true;
+           // Failed = true;
+           continue;
+        }
+        
+        cerr << "Failed to fetch " << (*I)->DescURI() << endl;
+        cerr << "  " << (*I)->ErrorText << endl;

         Failed = true;
         Failed = true;

-        continue;

       }
       
       }
       

-      cerr << "Failed to fetch " << (*I)->DescURI() << endl;
-      cerr << "  " << (*I)->ErrorText << endl;
-      Failed = true;
-   }
-
-   if (_config->FindB("APT::Get::Download-Only",false) == true)
-      return true;
-   
-   if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
-   {
-      if (Transient == true)
+      if (_config->FindB("APT::Get::Download-Only",false) == true)

       {
       {

-        c2out << "Upgrading with disk swapping is not supported in this version." << endl;
-        c2out << "Try running multiple times with --fix-missing" << endl;
+        if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+           return _error->Error("Some files failed to download");
+        return true;

       }
       
       }
       

-      return _error->Error("Unable to fetch some archives, maybe try with --fix-missing?");
-   }
-   
-   // Try to deal with missing package files
-   if (PM.FixMissing() == false)
-   {
-      cerr << "Unable to correct missing packages." << endl;
-      return _error->Error("Aborting Install.");
-   }
-   
-   Cache.ReleaseLock();
-   return PM.DoInstall();
+      if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+      {
+        /*if (Transient == true)
+        {
+           c2out << "Upgrading with disk swapping is not supported in this version." << endl;
+           c2out << "Try running multiple times with --fix-missing" << endl;
+        }*/
+        
+        return _error->Error("Unable to fetch some archives, maybe try with --fix-missing?");
+      }
+      
+      if (Transient == true && Failed == true)
+        return _error->Error("--fix-missing and media swapping is not currently supported");
+      
+      // Try to deal with missing package files
+      if (Failed == true && PM.FixMissing() == false)
+      {
+        cerr << "Unable to correct missing packages." << endl;
+        return _error->Error("Aborting Install.");
+      }
+      
+      Cache.ReleaseLock();
+      pkgPackageManager::OrderResult Res = PM.DoInstall();
+      if (Res == pkgPackageManager::Failed || _error->PendingError() == true)
+        return false;
+      if (Res == pkgPackageManager::Completed)
+        return true;
+      
+      // Reload the fetcher object and loop again for media swapping
+      Fetcher.Shutdown();
+      if (PM.GetArchives(&Fetcher,&List,&Recs) == false)
+        return false;
+   }   

 }
                                                                        /*}}}*/
 
 }
                                                                        /*}}}*/
 


@@ -670,7 +716,7 @@ bool DoUpdate(CommandLine &)
    }
    
    // Run it
    }
    
    // Run it

-   if (Fetcher.Run() == false)
+   if (Fetcher.Run() == pkgAcquire::Failed)

       return false;
 
    // Clean out any old list files
       return false;
 
    // Clean out any old list files


@@ -739,19 +785,23 @@ bool DoInstall(CommandLine &CmdL)
       
       // See if we are removing the package
       bool Remove = DefRemove;
       
       // See if we are removing the package
       bool Remove = DefRemove;

-      if (Cache->FindPkg(S).end() == true)
+      while (Cache->FindPkg(S).end() == true)

       {
         // Handle an optional end tag indicating what to do
         if (S[Length - 1] == '-')
         {
            Remove = true;
            S[--Length] = 0;
       {
         // Handle an optional end tag indicating what to do
         if (S[Length - 1] == '-')
         {
            Remove = true;
            S[--Length] = 0;

+           continue;

         }
         }

+        

         if (S[Length - 1] == '+')
         {
            Remove = false;
            S[--Length] = 0;
         if (S[Length - 1] == '+')
         {
            Remove = false;
            S[--Length] = 0;

+           continue;

         }
         }

+        break;

       }
       
       // Locate the package
       }
       
       // Locate the package


@@ -816,7 +866,7 @@ bool DoInstall(CommandLine &CmdL)
       if (Remove == true)
       {
         Fix.Remove(Pkg);
       if (Remove == true)
       {
         Fix.Remove(Pkg);

-        Cache->MarkDelete(Pkg);
+        Cache->MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false));

         continue;
       }
       
         continue;
       }
       


@@ -837,10 +887,10 @@ bool DoInstall(CommandLine &CmdL)
       packages */
    if (BrokenFix == true && Cache->BrokenCount() != 0)
    {
       packages */
    if (BrokenFix == true && Cache->BrokenCount() != 0)
    {

-      c1out << "You might want to run `apt-get -f install' to correct these." << endl;
+      c1out << "You might want to run `apt-get -f install' to correct these:" << endl;

       ShowBroken(c1out,Cache);
 
       ShowBroken(c1out,Cache);
 

-      return _error->Error("Unmet dependencies. Try using -f.");
+      return _error->Error("Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).");

    }
    
    // Call the scored problem resolver
    }
    
    // Call the scored problem resolver


@@ -956,7 +1006,7 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
       // Remove packages 
       if (I->SelectedState == pkgCache::State::DeInstall ||
          I->SelectedState == pkgCache::State::Purge)
       // Remove packages 
       if (I->SelectedState == pkgCache::State::DeInstall ||
          I->SelectedState == pkgCache::State::Purge)

-        Cache->MarkDelete(I);
+        Cache->MarkDelete(I,I->SelectedState == pkgCache::State::Purge);

    }
 
    /* Resolve any problems that dselect created, allupgrade cannot handle
    }
 
    /* Resolve any problems that dselect created, allupgrade cannot handle


@@ -1015,7 +1065,10 @@ class LogCleaner : public pkgArchiveCleaner
    protected:
    virtual void Erase(const char *File,string Pkg,string Ver,struct stat &St) 
    {
    protected:
    virtual void Erase(const char *File,string Pkg,string Ver,struct stat &St) 
    {

-      cout << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "b]" << endl;
+      cout << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "B]" << endl;
+      
+      if (_config->FindB("APT::Get::Simulate") == false)
+        unlink(File);      

    };
 };
 
    };
 };
 


@@ -1110,6 +1163,7 @@ bool DoSource(CommandLine &CmdL)
       pkgSrcRecords::Parser *Last = 0;
       unsigned long Offset = 0;
       string Version;
       pkgSrcRecords::Parser *Last = 0;
       unsigned long Offset = 0;
       string Version;

+      bool IsMatch = false;

         
       // Iterate over all of the hits
       pkgSrcRecords::Parser *Parse;
         
       // Iterate over all of the hits
       pkgSrcRecords::Parser *Parse;


@@ -1117,8 +1171,16 @@ bool DoSource(CommandLine &CmdL)
       while ((Parse = SrcRecs.Find(Src.c_str(),false)) != 0)
       {
         string Ver = Parse->Version();
       while ((Parse = SrcRecs.Find(Src.c_str(),false)) != 0)
       {
         string Ver = Parse->Version();

-        if (Last == 0 || pkgVersionCompare(Version,Ver) < 0)
+        
+        // Skip name mismatches
+        if (IsMatch == true && Parse->Package() != Src)
+           continue;
+
+        // Newer version or an exact match
+        if (Last == 0 || pkgVersionCompare(Version,Ver) < 0 || 
+            (Parse->Package() == Src && IsMatch == false))

         {
         {

+           IsMatch = Parse->Package() == Src;

            Last = Parse;
            Offset = Parse->Offset();
            Version = Ver;
            Last = Parse;
            Offset = Parse->Offset();
            Version = Ver;


@@ -1176,11 +1238,18 @@ bool DoSource(CommandLine &CmdL)
    // Number of bytes
    c1out << "Need to get ";
    if (DebBytes != FetchBytes)
    // Number of bytes
    c1out << "Need to get ";
    if (DebBytes != FetchBytes)

-      c1out << SizeToStr(FetchBytes) << "b/" << SizeToStr(DebBytes) << 'b';
+      c1out << SizeToStr(FetchBytes) << "B/" << SizeToStr(DebBytes) << 'B';

    else
    else

-      c1out << SizeToStr(DebBytes) << 'b';
+      c1out << SizeToStr(DebBytes) << 'B';

    c1out << " of source archives." << endl;
 
    c1out << " of source archives." << endl;
 

+   if (_config->FindB("APT::Get::Simulate",false) == true)
+   {
+      for (unsigned I = 0; I != J; I++)
+        cout << "Fetch Source " << Dsc[I].Package << endl;
+      return true;
+   }
+   

    // 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)
    {


@@ -1192,7 +1261,7 @@ bool DoSource(CommandLine &CmdL)
    }
    
    // Run it
    }
    
    // Run it

-   if (Fetcher.Run() == false)
+   if (Fetcher.Run() == pkgAcquire::Failed)

       return false;
 
    // Print error messages
       return false;
 
    // Print error messages


@@ -1214,42 +1283,68 @@ bool DoSource(CommandLine &CmdL)
       return true;
    
    // Unpack the sources
       return true;
    
    // Unpack the sources

-   for (unsigned I = 0; I != J; I++)
+   pid_t Process = ExecFork();
+   
+   if (Process == 0)

    {
    {

-      string Dir = Dsc[I].Package + '-' + pkgBaseVersion(Dsc[I].Version.c_str());
-    
-      // See if the package is already unpacked
-      struct stat Stat;
-      if (stat(Dir.c_str(),&Stat) == 0 &&
-         S_ISDIR(Stat.st_mode) != 0)
-      {
-        c0out << "Skipping unpack of already unpacked source in " << Dir << endl;
-      }
-      else
-      {
-        // Call dpkg-source
-        char S[500];
-        snprintf(S,sizeof(S),"%s -x %s",
-                 _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(),
-                 Dsc[I].Dsc.c_str());
-        if (system(S) != 0)
-           return _error->Error("Unpack command '%s' failed.",S);
-      }
-  
-      // Try to compile it with dpkg-buildpackage
-      if (_config->FindB("APT::Get::Compile",false) == true)
+      for (unsigned I = 0; I != J; I++)

       {
       {

-        // Call dpkg-buildpackage
-        char S[500];
-        snprintf(S,sizeof(S),"cd %s && %s %s",
-                 Dir.c_str(),
-                 _config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(),
-                 _config->Find("DPkg::Build-Options","-b -uc").c_str());
+        string Dir = Dsc[I].Package + '-' + pkgBaseVersion(Dsc[I].Version.c_str());

         
         

-        if (system(S) != 0)
-           return _error->Error("Build command '%s' failed.",S);
-      }      
-   }   
+        // See if the package is already unpacked
+        struct stat Stat;
+        if (stat(Dir.c_str(),&Stat) == 0 &&
+            S_ISDIR(Stat.st_mode) != 0)
+        {
+           c0out << "Skipping unpack of already unpacked source in " << Dir << endl;
+        }
+        else
+        {
+           // Call dpkg-source
+           char S[500];
+           snprintf(S,sizeof(S),"%s -x %s",
+                    _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(),
+                    Dsc[I].Dsc.c_str());
+           if (system(S) != 0)
+           {
+              cerr << "Unpack command '" << S << "' failed." << endl;
+              _exit(1);
+           }       
+        }
+        
+        // Try to compile it with dpkg-buildpackage
+        if (_config->FindB("APT::Get::Compile",false) == true)
+        {
+           // Call dpkg-buildpackage
+           char S[500];
+           snprintf(S,sizeof(S),"cd %s && %s %s",
+                    Dir.c_str(),
+                    _config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(),
+                    _config->Find("DPkg::Build-Options","-b -uc").c_str());
+           
+           if (system(S) != 0)
+           {
+              cerr << "Build command '" << S << "' failed." << endl;
+              _exit(1);
+           }       
+        }      
+      }
+      
+      _exit(0);
+   }
+   
+   // Wait for the subprocess
+   int Status = 0;
+   while (waitpid(Process,&Status,0) != Process)
+   {
+      if (errno == EINTR)
+        continue;
+      return _error->Errno("waitpid","Couldn't wait for subprocess");
+   }
+
+   if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
+      return _error->Error("Child process failed");
+   

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -1293,10 +1388,11 @@ bool ShowHelp(CommandLine &CmdL)
    cout << "  -f  Attempt to continue if the integrity check fails" << endl;
    cout << "  -m  Attempt to continue if archives are unlocatable" << endl;
    cout << "  -u  Show a list of upgraded packages as well" << endl;
    cout << "  -f  Attempt to continue if the integrity check fails" << endl;
    cout << "  -m  Attempt to continue if archives are unlocatable" << endl;
    cout << "  -u  Show a list of upgraded packages as well" << endl;

+   cout << "  -b  Build the source package after fetching it" << endl;

    cout << "  -c=? Read this configuration file" << endl;
    cout << "  -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp" << endl;
    cout << "See the apt-get(8), sources.list(5) and apt.conf(5) manual" << endl;
    cout << "  -c=? Read this configuration file" << endl;
    cout << "  -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp" << endl;
    cout << "See the apt-get(8), sources.list(5) and apt.conf(5) manual" << endl;

-   cout << "pages for more information." << endl;
+   cout << "pages for more information and options." << endl;

    return 100;
 }
                                                                        /*}}}*/
    return 100;
 }
                                                                        /*}}}*/


@@ -1348,11 +1444,13 @@ int main(int argc,const char *argv[])
       {'f',"fix-broken","APT::Get::Fix-Broken",0},
       {'u',"show-upgraded","APT::Get::Show-Upgraded",0},
       {'m',"ignore-missing","APT::Get::Fix-Missing",0},
       {'f',"fix-broken","APT::Get::Fix-Broken",0},
       {'u',"show-upgraded","APT::Get::Show-Upgraded",0},
       {'m',"ignore-missing","APT::Get::Fix-Missing",0},

+      {0,"no-download","APT::Get::No-Download",0},

       {0,"fix-missing","APT::Get::Fix-Missing",0},
       {0,"ignore-hold","APT::Ingore-Hold",0},      
       {0,"no-upgrade","APT::Get::no-upgrade",0},
       {0,"force-yes","APT::Get::force-yes",0},
       {0,"print-uris","APT::Get::Print-URIs",0},
       {0,"fix-missing","APT::Get::Fix-Missing",0},
       {0,"ignore-hold","APT::Ingore-Hold",0},      
       {0,"no-upgrade","APT::Get::no-upgrade",0},
       {0,"force-yes","APT::Get::force-yes",0},
       {0,"print-uris","APT::Get::Print-URIs",0},

+      {0,"purge","APT::Get::Purge",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}};