]> git.saurik.com Git - apt.git/blobdiff - cmdline/apt-cache.cc
* Use isatty rather than ttyname for checking if stdin ...
[apt.git] / cmdline / apt-cache.cc
index 3c7084c9ddb44b4ebfddb41b0541f34499a6938e..1933f60c640343275a9a015cb3bf340903adee49 100644 (file)
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: apt-cache.cc,v 1.55 2002/01/09 04:59:44 jgg Exp $
+// $Id: apt-cache.cc,v 1.68 2003/11/19 23:50:51 mdz Exp $
 /* ######################################################################
    
    apt-cache - Manages the cache files
 #include <config.h>
 #include <apti18n.h>
 
-#include <iostream.h>
+#include <locale.h>
+#include <iostream>
 #include <unistd.h>
 #include <errno.h>
 #include <regex.h>
 #include <stdio.h>
                                                                        /*}}}*/
 
+using namespace std;
+
 pkgCache *GCache = 0;
 pkgSourceList *SrcList = 0;
 
@@ -526,6 +529,7 @@ bool Depends(CommandLine &CmdL)
    }
    
    bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
+   bool Installed = _config->FindB("APT::Cache::Installed",false);
    bool DidSomething;
    do
    {
@@ -548,20 +552,27 @@ bool Depends(CommandLine &CmdL)
         
         for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
         {
-           if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
-              cout << " |";
-           else
-              cout << "  ";
-           
-           // Show the package
+
            pkgCache::PkgIterator Trg = D.TargetPkg();
-           if (Trg->VersionList == 0)
-              cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
-           else
-              cout << D.DepType() << ": " << Trg.Name() << endl;
+
+           if((Installed && Trg->CurrentVer != 0) || !Installed)
+             {
+
+               if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
+                 cout << " |";
+               else
+                 cout << "  ";
+           
+               // Show the package
+               if (Trg->VersionList == 0)
+                 cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
+               else
+                 cout << D.DepType() << ": " << Trg.Name() << endl;
            
-           if (Recurse == true)
-              Colours[D.TargetPkg()->ID]++;
+               if (Recurse == true)
+                 Colours[D.TargetPkg()->ID]++;
+
+             }
            
            // Display all solutions
            SPtrArray<pkgCache::Version *> List = D.AllTargets();
@@ -584,7 +595,315 @@ bool Depends(CommandLine &CmdL)
    
    return true;
 }
+
+// RDepends - Print out a reverse dependency tree - mbc                        /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool RDepends(CommandLine &CmdL)
+{
+   pkgCache &Cache = *GCache;
+   SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount];
+   memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount);
+   
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+      if (Pkg.end() == true)
+      {
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;
+      }
+      Colours[Pkg->ID] = 1;
+   }
+   
+   bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
+   bool Installed = _config->FindB("APT::Cache::Installed",false);
+   bool DidSomething;
+   do
+   {
+      DidSomething = false;
+      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+      {
+        if (Colours[Pkg->ID] != 1)
+           continue;
+        Colours[Pkg->ID] = 2;
+        DidSomething = true;
+        
+        pkgCache::VerIterator Ver = Pkg.VersionList();
+        if (Ver.end() == true)
+        {
+           cout << '<' << Pkg.Name() << '>' << endl;
+           continue;
+        }
+        
+        cout << Pkg.Name() << endl;
+        
+        cout << "Reverse Depends:" << endl;
+        for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false; D++)
+        {          
+           // Show the package
+           pkgCache::PkgIterator Trg = D.ParentPkg();
+
+           if((Installed && Trg->CurrentVer != 0) || !Installed)
+             {
+
+               if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
+                 cout << " |";
+               else
+                 cout << "  ";
+
+               if (Trg->VersionList == 0)
+                 cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
+               else
+                 cout << Trg.Name() << endl;
+
+               if (Recurse == true)
+                 Colours[D.ParentPkg()->ID]++;
+
+             }
+           
+           // Display all solutions
+           SPtrArray<pkgCache::Version *> List = D.AllTargets();
+           pkgPrioSortList(Cache,List);
+           for (pkgCache::Version **I = List; *I != 0; I++)
+           {
+              pkgCache::VerIterator V(Cache,*I);
+              if (V != Cache.VerP + V.ParentPkg()->VersionList ||
+                  V->ParentPkg == D->Package)
+                 continue;
+              cout << "    " << V.ParentPkg().Name() << endl;
+              
+              if (Recurse == true)
+                 Colours[D.ParentPkg()->ID]++;
+           }
+        }
+      }      
+   }   
+   while (DidSomething == true);
+   
+   return true;
+}
+
                                                                        /*}}}*/
+
+
+// xvcg - Generate a graph for xvcg                                    /*{{{*/
+// ---------------------------------------------------------------------
+// Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.
+
+bool XVcg(CommandLine &CmdL)
+{
+   pkgCache &Cache = *GCache;
+   bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);
+   
+   /* Normal packages are boxes
+      Pure Provides are triangles
+      Mixed are diamonds
+      rhomb are missing packages*/
+   const char *Shapes[] = {"ellipse","triangle","box","rhomb"};
+   
+   /* Initialize the list of packages to show.
+      1 = To Show
+      2 = To Show no recurse
+      3 = Emitted no recurse
+      4 = Emitted
+      0 = None */
+   enum States {None=0, ToShow, ToShowNR, DoneNR, Done};
+   enum TheFlags {ForceNR=(1<<0)};
+   unsigned char *Show = new unsigned char[Cache.Head().PackageCount];
+   unsigned char *Flags = new unsigned char[Cache.Head().PackageCount];
+   unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount];
+   
+   // Show everything if no arguments given
+   if (CmdL.FileList[1] == 0)
+      for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
+        Show[I] = ToShow;
+   else
+      for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
+        Show[I] = None;
+   memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount);
+   
+   // Map the shapes
+   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+   {   
+      if (Pkg->VersionList == 0)
+      {
+        // Missing
+        if (Pkg->ProvidesList == 0)
+           ShapeMap[Pkg->ID] = 0;
+        else
+           ShapeMap[Pkg->ID] = 1;
+      }
+      else
+      {
+        // Normal
+        if (Pkg->ProvidesList == 0)
+           ShapeMap[Pkg->ID] = 2;
+        else
+           ShapeMap[Pkg->ID] = 3;
+      }
+   }
+   
+   // Load the list of packages from the command line into the show list
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      // Process per-package flags
+      string P = *I;
+      bool Force = false;
+      if (P.length() > 3)
+      {
+        if (P.end()[-1] == '^')
+        {
+           Force = true;
+           P.erase(P.end()-1);
+        }
+        
+        if (P.end()[-1] == ',')
+           P.erase(P.end()-1);
+      }
+      
+      // Locate the package
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(P);
+      if (Pkg.end() == true)
+      {
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;
+      }
+      Show[Pkg->ID] = ToShow;
+      
+      if (Force == true)
+        Flags[Pkg->ID] |= ForceNR;
+   }
+   
+   // Little header
+   cout << "graph: { title: \"packages\"" << endl <<
+     "xmax: 700 ymax: 700 x: 30 y: 30" << endl <<
+     "layout_downfactor: 8" << endl;
+
+   bool Act = true;
+   while (Act == true)
+   {
+      Act = false;
+      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+      {
+        // See we need to show this package
+        if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR)
+           continue;
+
+        //printf ("node: { title: \"%s\" label: \"%s\" }\n", Pkg.Name(), Pkg.Name());
+        
+        // Colour as done
+        if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR)
+        {
+           // Pure Provides and missing packages have no deps!
+           if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1)
+              Show[Pkg->ID] = Done;
+           else
+              Show[Pkg->ID] = DoneNR;
+        }       
+        else
+           Show[Pkg->ID] = Done;
+        Act = true;
+
+        // No deps to map out
+        if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR)
+           continue;
+        
+        pkgCache::VerIterator Ver = Pkg.VersionList();
+        for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+        {
+           // See if anything can meet this dep
+           // Walk along the actual package providing versions
+           bool Hit = false;
+           pkgCache::PkgIterator DPkg = D.TargetPkg();
+           for (pkgCache::VerIterator I = DPkg.VersionList();
+                     I.end() == false && Hit == false; I++)
+           {
+              if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true)
+                 Hit = true;
+           }
+           
+           // Follow all provides
+           for (pkgCache::PrvIterator I = DPkg.ProvidesList(); 
+                     I.end() == false && Hit == false; I++)
+           {
+              if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
+                 Hit = true;
+           }
+           
+
+           // Only graph critical deps     
+           if (D.IsCritical() == true)
+           {
+              printf ("edge: { sourcename: \"%s\" targetname: \"%s\" class: 2 ",Pkg.Name(), D.TargetPkg().Name() );
+              
+              // Colour the node for recursion
+              if (Show[D.TargetPkg()->ID] <= DoneNR)
+              {
+                 /* If a conflicts does not meet anything in the database
+                    then show the relation but do not recurse */
+                 if (Hit == false && 
+                     (D->Type == pkgCache::Dep::Conflicts ||
+                      D->Type == pkgCache::Dep::Obsoletes))
+                 {
+                    if (Show[D.TargetPkg()->ID] == None && 
+                        Show[D.TargetPkg()->ID] != ToShow)
+                       Show[D.TargetPkg()->ID] = ToShowNR;
+                 }               
+                 else
+                 {
+                    if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow)
+                       Show[D.TargetPkg()->ID] = ToShowNR;
+                    else
+                       Show[D.TargetPkg()->ID] = ToShow;
+                 }
+              }
+              
+              // Edge colour
+              switch(D->Type)
+              {
+                 case pkgCache::Dep::Conflicts:
+                   printf("label: \"conflicts\" color: lightgreen }\n");
+                   break;
+                 case pkgCache::Dep::Obsoletes:
+                   printf("label: \"obsoletes\" color: lightgreen }\n");
+                   break;
+                 
+                 case pkgCache::Dep::PreDepends:
+                   printf("label: \"predepends\" color: blue }\n");
+                   break;
+                 
+                 default:
+                   printf("}\n");
+                 break;
+              }               
+           }       
+        }
+      }
+   }   
+   
+   /* Draw the box colours after the fact since we can not tell what colour
+      they should be until everything is finished drawing */
+   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+   {
+      if (Show[Pkg->ID] < DoneNR)
+        continue;
+
+      if (Show[Pkg->ID] == DoneNR)
+        printf("node: { title: \"%s\" label: \"%s\" color: orange shape: %s }\n", Pkg.Name(), Pkg.Name(),
+               Shapes[ShapeMap[Pkg->ID]]);
+      else
+       printf("node: { title: \"%s\" label: \"%s\" shape: %s }\n", Pkg.Name(), Pkg.Name(), 
+               Shapes[ShapeMap[Pkg->ID]]);
+      
+   }
+   
+   printf("}\n");
+   return true;
+}
+                                                                       /*}}}*/
+
+
 // Dotty - Generate a graph for Dotty                                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Dotty is the graphvis program for generating graphs. It is a fairly
@@ -876,7 +1195,7 @@ bool DisplayRecord(pkgCache::VerIterator V)
    Buffer[V.FileList()->Size] = '\n';
    if (PkgF.Seek(V.FileList()->Offset) == false ||
        PkgF.Read(Buffer,V.FileList()->Size) == false ||
-       write(STDOUT_FILENO,Buffer,V.FileList()->Size+1) != V.FileList()->Size+1)
+       fwrite(Buffer,1,V.FileList()->Size+1,stdout) < V.FileList()->Size+1)
    {
       delete [] Buffer;
       return false;
@@ -1025,6 +1344,8 @@ bool ShowPackage(CommandLine &CmdL)
 {   
    pkgCache &Cache = *GCache;
    pkgDepCache::Policy Plcy;
+
+   unsigned found = 0;
    
    for (const char **I = CmdL.FileList + 1; *I != 0; I++)
    {
@@ -1035,6 +1356,8 @@ bool ShowPackage(CommandLine &CmdL)
         continue;
       }
 
+      ++found;
+
       // Find the proper version to use.
       if (_config->FindB("APT::Cache::AllVersions","true") == true)
       {
@@ -1054,7 +1377,10 @@ bool ShowPackage(CommandLine &CmdL)
            return false;
       }      
    }
-   return true;
+
+   if (found > 0)
+        return true;
+   return _error->Error(_("No packages found"));
 }
                                                                        /*}}}*/
 // ShowPkgNames - Show package names                                   /*{{{*/
@@ -1255,18 +1581,23 @@ bool ShowHelp(CommandLine &Cmd)
    ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
            COMMON_OS,COMMON_CPU,__DATE__,__TIME__);
    
+   if (_config->FindB("version") == true)
+     return true;
+
    cout << 
     _("Usage: apt-cache [options] command\n"
-      "       apt-cache [options] add file1 [file1 ...]\n"
+      "       apt-cache [options] add file1 [file2 ...]\n"
       "       apt-cache [options] showpkg pkg1 [pkg2 ...]\n"
+      "       apt-cache [options] showsrc pkg1 [pkg2 ...]\n"
       "\n"
       "apt-cache is a low-level tool used to manipulate APT's binary\n"
       "cache files, and query information from them\n"
       "\n"
       "Commands:\n"
-      "   add - Add an package file to the source cache\n"
+      "   add - Add a package file to the source cache\n"
       "   gencaches - Build both the package and source cache\n"
       "   showpkg - Show some general information for a single package\n"
+      "   showsrc - Show source records\n"
       "   stats - Show some basic statistics\n"
       "   dump - Show the entire file in a terse form\n"
       "   dumpavail - Print an available file to stdout\n"
@@ -1274,8 +1605,10 @@ bool ShowHelp(CommandLine &Cmd)
       "   search - Search the package list for a regex pattern\n"
       "   show - Show a readable record for the package\n"
       "   depends - Show raw dependency information for a package\n"
+      "   rdepends - Show reverse dependency information for a package\n"
       "   pkgnames - List the names of all packages\n"
       "   dotty - Generate package graphs for GraphVis\n"
+      "   xvcg - Generate package graphs for xvcg\n"
       "   policy - Show policy settings\n"
       "\n"
       "Options:\n"
@@ -1313,10 +1646,11 @@ int main(int argc,const char *argv[])
       {'g',"generate","APT::Cache::Generate",0},
       {'a',"all-versions","APT::Cache::AllVersions",0},
       {0,"names-only","APT::Cache::NamesOnly",0},
-      {0,"all-names","APT::Cache::AllNames",0},
+      {'n',"all-names","APT::Cache::AllNames",0},
       {0,"recurse","APT::Cache::RecurseDepends",0},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
+      {'n',"installed","APT::Cache::Installed",0},
       {0,0,0,0}};
    CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
                                     {"add",&DoAdd},
@@ -1330,7 +1664,9 @@ int main(int argc,const char *argv[])
                                     {"unmet",&UnMet},
                                     {"search",&Search},
                                     {"depends",&Depends},
+                                    {"rdepends",&RDepends},
                                     {"dotty",&Dotty},
+                                    {"xvcg",&XVcg},
                                     {"show",&ShowPackage},
                                     {"pkgnames",&ShowPkgNames},
                                     {"policy",&Policy},
@@ -1361,7 +1697,7 @@ int main(int argc,const char *argv[])
    }
    
    // Deal with stdout not being a tty
-   if (ttyname(STDOUT_FILENO) == 0 && _config->FindI("quiet",0) < 1)
+   if (isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
       _config->Set("quiet","1");
 
    if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)