]> git.saurik.com Git - apt.git/blobdiff - cmdline/apt-get.cc
* merged with mainline
[apt.git] / cmdline / apt-get.cc
index 48b21a31f8eb8fd801ba70e118bca56891d04fd0..a723174ab47998339634ad408611350b851e4400 100644 (file)
@@ -38,6 +38,7 @@
 #include <apt-pkg/version.h>
 #include <apt-pkg/cachefile.h>
 #include <apt-pkg/sptr.h>
+#include <apt-pkg/md5.h>
 #include <apt-pkg/versionmatch.h>
     
 #include <config.h>
@@ -45,6 +46,7 @@
 
 #include "acqprogress.h"
 
+#include <set>
 #include <locale.h>
 #include <langinfo.h>
 #include <fstream>
@@ -58,6 +60,7 @@
 #include <errno.h>
 #include <regex.h>
 #include <sys/wait.h>
+#include <sstream>
                                                                        /*}}}*/
 
 using namespace std;
@@ -993,7 +996,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
         cerr << _("Unable to correct missing packages.") << endl;
         return _error->Error(_("Aborting install."));
       }
-                
+
       _system->UnLock();
       int status_fd = _config->FindI("APT::Status-Fd",-1);
       pkgPackageManager::OrderResult Res = PM->DoInstall(status_fd);
@@ -1353,20 +1356,29 @@ bool DoUpdate(CommandLine &CmdL)
       return false;
 
    bool Failed = false;
+   bool TransientNetworkFailure = false;
    for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)
    {
       if ((*I)->Status == pkgAcquire::Item::StatDone)
         continue;
 
       (*I)->Finished();
-      
+
       fprintf(stderr,_("Failed to fetch %s  %s\n"),(*I)->DescURI().c_str(),
              (*I)->ErrorText.c_str());
+
+      if ((*I)->Status == pkgAcquire::Item::StatTransientNetworkError) 
+      {
+        TransientNetworkFailure = true;
+        continue;
+      }
+
       Failed = true;
    }
    
    // Clean out any old list files
-   if (_config->FindB("APT::Get::List-Cleanup",true) == true)
+   if (!TransientNetworkFailure &&
+       _config->FindB("APT::Get::List-Cleanup",true) == true)
    {
       if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
          Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
@@ -1378,12 +1390,60 @@ bool DoUpdate(CommandLine &CmdL)
    if (Cache.BuildCaches() == false)
       return false;
    
-   if (Failed == true)
+   if (TransientNetworkFailure == true)
+      _error->Warning(_("Some index files failed to download, they have been ignored, or old ones used instead."));
+   else if (Failed == true)
       return _error->Error(_("Some index files failed to download, they have been ignored, or old ones used instead."));
-   
+
    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"));
+
+   {
+     pkgDepCache::ActionGroup group(*Cache);
+
+     // look over the cache to see what can be removed
+     for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
+       {
+        if (Cache[Pkg].Garbage)
+          {
+            if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
+              fprintf(stdout,"We could delete %s\n", Pkg.Name());
+
+            if(Pkg.CurrentVer() != 0 && Pkg->CurrentState != pkgCache::State::ConfigFiles)
+              Cache->MarkDelete(Pkg, _config->FindB("APT::Get::Purge", false));
+            else
+              Cache->MarkKeep(Pkg, false, 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
@@ -1409,15 +1469,6 @@ bool DoUpgrade(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)
@@ -1435,155 +1486,168 @@ bool DoInstall(CommandLine &CmdL)
    bool DefRemove = false;
    if (strcasecmp(CmdL.FileList[0],"remove") == 0)
       DefRemove = true;
+   else if (strcasecmp(CmdL.FileList[0], "autoremove") == 0)
+   {
+      _config->Set("APT::Get::AutomaticRemove", "true");
+      DefRemove = true;
+   }
 
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   // new scope for the ActionGroup
    {
-      // Duplicate the string
-      unsigned int Length = strlen(*I);
-      char S[300];
-      if (Length >= sizeof(S))
-        continue;
-      strcpy(S,*I);
-      
-      // See if we are removing and special indicators..
-      bool Remove = DefRemove;
-      char *VerTag = 0;
-      bool VerIsRel = false;
-      while (Cache->FindPkg(S).end() == true)
+      pkgDepCache::ActionGroup group(Cache);
+      for (const char **I = CmdL.FileList + 1; *I != 0; I++)
       {
-        // Handle an optional end tag indicating what to do
-        if (Length >= 1 && S[Length - 1] == '-')
-        {
-           Remove = true;
-           S[--Length] = 0;
+        // Duplicate the string
+        unsigned int Length = strlen(*I);
+        char S[300];
+        if (Length >= sizeof(S))
            continue;
-        }
-        
-        if (Length >= 1 && S[Length - 1] == '+')
+        strcpy(S,*I);
+      
+        // See if we are removing and special indicators..
+        bool Remove = DefRemove;
+        char *VerTag = 0;
+        bool VerIsRel = false;
+        while (Cache->FindPkg(S).end() == true)
         {
-           Remove = false;
-           S[--Length] = 0;
-           continue;
-        }
+           // Handle an optional end tag indicating what to do
+           if (Length >= 1 && S[Length - 1] == '-')
+           {
+              Remove = true;
+              S[--Length] = 0;
+              continue;
+           }
         
-        char *Slash = strchr(S,'=');
-        if (Slash != 0)
-        {
-           VerIsRel = false;
-           *Slash = 0;
-           VerTag = Slash + 1;
-        }
+           if (Length >= 1 && S[Length - 1] == '+')
+           {
+              Remove = false;
+              S[--Length] = 0;
+              continue;
+           }
         
-        Slash = strchr(S,'/');
-        if (Slash != 0)
-        {
-           VerIsRel = true;
-           *Slash = 0;
-           VerTag = Slash + 1;
-        }
+           char *Slash = strchr(S,'=');
+           if (Slash != 0)
+           {
+              VerIsRel = false;
+              *Slash = 0;
+              VerTag = Slash + 1;
+           }
         
-        break;
-      }
-      
-      // Locate the package
-      pkgCache::PkgIterator Pkg = Cache->FindPkg(S);
-      Packages++;
-      if (Pkg.end() == true)
-      {
-        // Check if the name is a regex
-        const char *I;
-        for (I = S; *I != 0; I++)
-           if (*I == '?' || *I == '*' || *I == '|' ||
-               *I == '[' || *I == '^' || *I == '$')
-              break;
-        if (*I == 0)
-           return _error->Error(_("Couldn't find package %s"),S);
-
-        // Regexs must always be confirmed
-        ExpectedInst += 1000;
+           Slash = strchr(S,'/');
+           if (Slash != 0)
+           {
+              VerIsRel = true;
+              *Slash = 0;
+              VerTag = Slash + 1;
+           }
         
-        // Compile the regex pattern
-        regex_t Pattern;
-        int Res;
-        if ((Res = regcomp(&Pattern,S,REG_EXTENDED | REG_ICASE |
-                    REG_NOSUB)) != 0)
-        {
-           char Error[300];        
-           regerror(Res,&Pattern,Error,sizeof(Error));
-           return _error->Error(_("Regex compilation error - %s"),Error);
+           break;
         }
-        
-        // Run over the matches
-        bool Hit = false;
-        for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++)
+      
+        // Locate the package
+        pkgCache::PkgIterator Pkg = Cache->FindPkg(S);
+        Packages++;
+        if (Pkg.end() == true)
         {
-           if (regexec(&Pattern,Pkg.Name(),0,0,0) != 0)
-              continue;
+           // Check if the name is a regex
+           const char *I;
+           for (I = S; *I != 0; I++)
+              if (*I == '?' || *I == '*' || *I == '|' ||
+                  *I == '[' || *I == '^' || *I == '$')
+                 break;
+           if (*I == 0)
+              return _error->Error(_("Couldn't find package %s"),S);
+
+           // Regexs must always be confirmed
+           ExpectedInst += 1000;
+        
+           // Compile the regex pattern
+           regex_t Pattern;
+           int Res;
+           if ((Res = regcomp(&Pattern,S,REG_EXTENDED | REG_ICASE |
+                              REG_NOSUB)) != 0)
+           {
+              char Error[300];     
+              regerror(Res,&Pattern,Error,sizeof(Error));
+              return _error->Error(_("Regex compilation error - %s"),Error);
+           }
+        
+           // Run over the matches
+           bool Hit = false;
+           for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++)
+           {
+              if (regexec(&Pattern,Pkg.Name(),0,0,0) != 0)
+                 continue;
            
-           ioprintf(c1out,_("Note, selecting %s for regex '%s'\n"),
-                    Pkg.Name(),S);
+              ioprintf(c1out,_("Note, selecting %s for regex '%s'\n"),
+                       Pkg.Name(),S);
            
+              if (VerTag != 0)
+                 if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
+                    return false;
+           
+              Hit |= TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,
+                                  ExpectedInst,false);
+           }
+           regfree(&Pattern);
+        
+           if (Hit == false)
+              return _error->Error(_("Couldn't find package %s"),S);
+        }
+        else
+        {
            if (VerTag != 0)
               if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
                  return false;
-           
-           Hit |= TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,
-                               ExpectedInst,false);
-        }
-        regfree(&Pattern);
-        
-        if (Hit == false)
-           return _error->Error(_("Couldn't find package %s"),S);
-      }
-      else
-      {
-        if (VerTag != 0)
-           if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
+           if (TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,ExpectedInst) == false)
               return false;
-        if (TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,ExpectedInst) == false)
-           return false;
-      }      
-   }
+        }      
+      }
 
-   /* If we are in the Broken fixing mode we do not attempt to fix the
-      problems. This is if the user invoked install without -f and gave
-      packages */
-   if (BrokenFix == true && Cache->BrokenCount() != 0)
-   {
-      c1out << _("You might want to run `apt-get -f install' to correct these:") << endl;
-      ShowBroken(c1out,Cache,false);
+      /* If we are in the Broken fixing mode we do not attempt to fix the
+        problems. This is if the user invoked install without -f and gave
+        packages */
+      if (BrokenFix == true && Cache->BrokenCount() != 0)
+      {
+        c1out << _("You might want to run `apt-get -f install' to correct these:") << endl;
+        ShowBroken(c1out,Cache,false);
 
-      return _error->Error(_("Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution)."));
-   }
+        return _error->Error(_("Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution)."));
+      }
    
-   // Call the scored problem resolver
-   Fix.InstallProtect();
-   if (Fix.Resolve(true) == false)
-      _error->Discard();
+      // Call the scored problem resolver
+      Fix.InstallProtect();
+      if (Fix.Resolve(true) == false)
+        _error->Discard();
 
-   // Now we check the state of the packages,
-   if (Cache->BrokenCount() != 0)
-   {
-      c1out << 
-       _("Some packages could not be installed. This may mean that you have\n" 
-        "requested an impossible situation or if you are using the unstable\n" 
-        "distribution that some required packages have not yet been created\n"
-        "or been moved out of Incoming.") << endl;
-      if (Packages == 1)
+      // Now we check the state of the packages,
+      if (Cache->BrokenCount() != 0)
       {
-        c1out << endl;
         c1out << 
-         _("Since you only requested a single operation it is extremely likely that\n"
-           "the package is simply not installable and a bug report against\n" 
-           "that package should be filed.") << endl;
-      }
+           _("Some packages could not be installed. This may mean that you have\n" 
+             "requested an impossible situation or if you are using the unstable\n" 
+             "distribution that some required packages have not yet been created\n"
+             "or been moved out of Incoming.") << endl;
+        if (Packages == 1)
+        {
+           c1out << endl;
+           c1out << 
+              _("Since you only requested a single operation it is extremely likely that\n"
+                "the package is simply not installable and a bug report against\n" 
+                "that package should be filed.") << endl;
+        }
+
+        c1out << _("The following information may help to resolve the situation:") << endl;
+        c1out << endl;
+        ShowBroken(c1out,Cache,false);
+        return _error->Error(_("Broken packages"));
+      }   
+   }
+   if (_config->FindB("APT::Get::AutomaticRemove")) {
+      if (!DoAutomaticRemove(Cache)) 
+        return false;
+   }
 
-      c1out << _("The following information may help to resolve the situation:") << endl;
-      c1out << endl;
-      ShowBroken(c1out,Cache,false);
-      return _error->Error(_("Broken packages"));
-   }   
-   
    /* Print out a list of packages that are going to be installed extra
       to what the user asked */
    if (Cache->InstCount() != ExpectedInst)
@@ -1603,8 +1667,8 @@ bool DoInstall(CommandLine &CmdL)
         
         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);
@@ -1721,6 +1785,8 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
    if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
       return false;
    
+   pkgDepCache::ActionGroup group(Cache);
+
    // Install everything with the install flag set
    pkgCache::PkgIterator I = Cache->PkgBegin();
    for (;I.end() != true; I++)
@@ -1899,6 +1965,9 @@ bool DoSource(CommandLine &CmdL)
 
    DscFile *Dsc = new DscFile[CmdL.FileSize()];
    
+   // insert all downloaded uris into this set to avoid downloading them
+   // twice
+   set<string> queued;
    // Load the requestd sources into the fetcher
    unsigned J = 0;
    for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
@@ -1935,7 +2004,28 @@ bool DoSource(CommandLine &CmdL)
         if (_config->FindB("APT::Get::Tar-Only",false) == true &&
             I->Type != "tar")
            continue;
-        
+
+        // don't download the same uri twice (should this be moved to
+        // the fetcher interface itself?)
+        if(queued.find(Last->Index().ArchiveURI(I->Path)) != queued.end())
+           continue;
+        queued.insert(Last->Index().ArchiveURI(I->Path));
+           
+        // check if we have a file with that md5 sum already localy
+        if(!I->MD5Hash.empty() && FileExists(flNotDir(I->Path)))  
+        {
+           FileFd Fd(flNotDir(I->Path), FileFd::ReadOnly);
+           MD5Summation sum;
+           sum.AddFD(Fd.Fd(), Fd.Size());
+           Fd.Close();
+           if((string)sum.Result() == I->MD5Hash) 
+           {
+              ioprintf(c1out,_("Skipping already downloaded file '%s'\n"),
+                       flNotDir(I->Path).c_str());
+              continue;
+           }
+        }
+
         new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
                        I->MD5Hash,I->Size,
                        Last->Index().SourceInfo(*Last,*I),Src);
@@ -2449,6 +2539,7 @@ void GetInitialize()
    _config->Set("APT::Get::Fix-Broken",false);
    _config->Set("APT::Get::Force-Yes",false);
    _config->Set("APT::Get::List-Cleanup",true);
+   _config->Set("APT::Get::AutomaticRemove",false);
 }
                                                                        /*}}}*/
 // SigWinch - Window size change signal handler                                /*{{{*/
@@ -2504,6 +2595,7 @@ 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,"auto-remove","APT::Get::AutomaticRemove",0},
       {0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
@@ -2512,6 +2604,7 @@ int main(int argc,const char *argv[])
                                    {"upgrade",&DoUpgrade},
                                    {"install",&DoInstall},
                                    {"remove",&DoInstall},
+                                  {"autoremove",&DoInstall},
                                    {"dist-upgrade",&DoDistUpgrade},
                                    {"dselect-upgrade",&DoDSelectUpgrade},
                                   {"build-dep",&DoBuildDep},