Fix maintscript to properly remove 20changelog

[apt.git] / apt-pkg / edsp.cc

diff --git a/apt-pkg/edsp.cc b/apt-pkg/edsp.cc
index f35570c1275c09d577dd0fddc1b213ff908f24b5..bf625cc977923c43fe15e7b795400fcdcb7c1341 100644 (file)
--- a/apt-pkg/edsp.cc
+++ b/apt-pkg/edsp.cc
@@ -5,98 +5,99 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

-#include <apt-pkg/edsp.h>
+#include <config.h>
+

 #include <apt-pkg/error.h>
 #include <apt-pkg/error.h>

-#include <apt-pkg/configuration.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/policy.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/progress.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/edsp.h>

 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/tagfile.h>

+#include <apt-pkg/strutl.h>

 
 

-#include <apti18n.h>
+#include <ctype.h>
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <iostream>

 #include <limits>
 #include <limits>

+#include <string>

 
 

-#include <stdio.h>
+#include <apti18n.h>

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

+using std::string;
+

 // we could use pkgCache::DepType and ::Priority, but these would be localized strings…
 // we could use pkgCache::DepType and ::Priority, but these would be localized strings…

-const char * const EDSP::PrioMap[] = {0, "important", "required", "standard",
+const char * const PrioMap[] = {0, "important", "required", "standard",

                                      "optional", "extra"};
                                      "optional", "extra"};

-const char * const EDSP::DepMap[] = {"", "Depends", "PreDepends", "Suggests",
+const char * const DepMap[] = {"", "Depends", "Pre-Depends", "Suggests",

                                     "Recommends" , "Conflicts", "Replaces",
                                     "Obsoletes", "Breaks", "Enhances"};
 
                                     "Recommends" , "Conflicts", "Replaces",
                                     "Obsoletes", "Breaks", "Enhances"};
 

-// EDSP::WriteScenario - to the given file descriptor                  /*{{{*/
-bool EDSP::WriteScenario(pkgDepCache &Cache, FILE* output)
-{
-   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
-      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
-      {
-        WriteScenarioVersion(Cache, output, Pkg, Ver);
-        WriteScenarioDependency(Cache, output, Pkg, Ver);
-        fprintf(output, "\n");
-      }
-   return true;
-}
-                                                                       /*}}}*/
-// EDSP::WriteLimitedScenario - to the given file descriptor           /*{{{*/
-bool EDSP::WriteLimitedScenario(pkgDepCache &Cache, FILE* output,
-                               APT::PackageSet const &pkgset)
-{
-   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
-      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
-      {
-        WriteScenarioVersion(Cache, output, Pkg, Ver);
-        WriteScenarioLimitedDependency(Cache, output, Pkg, Ver, pkgset);
-        fprintf(output, "\n");
-      }
-   return true;
-}
-                                                                       /*}}}*/
-// EDSP::WriteScenarioVersion                                          /*{{{*/
-void EDSP::WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
+
+// WriteScenarioVersion                                                        /*{{{*/
+static void WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,

                                pkgCache::VerIterator const &Ver)
 {
    fprintf(output, "Package: %s\n", Pkg.Name());
                                pkgCache::VerIterator const &Ver)
 {
    fprintf(output, "Package: %s\n", Pkg.Name());

+   fprintf(output, "Source: %s\n", Ver.SourcePkgName());

    fprintf(output, "Architecture: %s\n", Ver.Arch());
    fprintf(output, "Version: %s\n", Ver.VerStr());
    fprintf(output, "Architecture: %s\n", Ver.Arch());
    fprintf(output, "Version: %s\n", Ver.VerStr());

+   fprintf(output, "Source-Version: %s\n", Ver.SourceVerStr());

    if (Pkg.CurrentVer() == Ver)
       fprintf(output, "Installed: yes\n");
    if (Pkg.CurrentVer() == Ver)
       fprintf(output, "Installed: yes\n");

-   if (Pkg->SelectedState == pkgCache::State::Hold)
+   if (Pkg->SelectedState == pkgCache::State::Hold ||
+       (Cache[Pkg].Keep() == true && Cache[Pkg].Protect() == true))

       fprintf(output, "Hold: yes\n");
    fprintf(output, "APT-ID: %d\n", Ver->ID);
    fprintf(output, "Priority: %s\n", PrioMap[Ver->Priority]);
    if ((Pkg->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
       fprintf(output, "Essential: yes\n");
    fprintf(output, "Section: %s\n", Ver.Section());
       fprintf(output, "Hold: yes\n");
    fprintf(output, "APT-ID: %d\n", Ver->ID);
    fprintf(output, "Priority: %s\n", PrioMap[Ver->Priority]);
    if ((Pkg->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
       fprintf(output, "Essential: yes\n");
    fprintf(output, "Section: %s\n", Ver.Section());

-   if (Ver->MultiArch == pkgCache::Version::Allowed || Ver->MultiArch == pkgCache::Version::AllAllowed)
+   if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)

       fprintf(output, "Multi-Arch: allowed\n");
       fprintf(output, "Multi-Arch: allowed\n");

-   else if (Ver->MultiArch == pkgCache::Version::Foreign || Ver->MultiArch == pkgCache::Version::AllForeign)
+   else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)

       fprintf(output, "Multi-Arch: foreign\n");
       fprintf(output, "Multi-Arch: foreign\n");

-   else if (Ver->MultiArch == pkgCache::Version::Same)
+   else if ((Ver->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)

       fprintf(output, "Multi-Arch: same\n");
    signed short Pin = std::numeric_limits<signed short>::min();
       fprintf(output, "Multi-Arch: same\n");
    signed short Pin = std::numeric_limits<signed short>::min();

-   for (pkgCache::VerFileIterator File = Ver.FileList(); File.end() == false; ++File) {
-      signed short const p = Cache.GetPolicy().GetPriority(File.File());
+   std::set<string> Releases;
+   for (pkgCache::VerFileIterator I = Ver.FileList(); I.end() == false; ++I) {
+      pkgCache::PkgFileIterator File = I.File();
+      signed short const p = Cache.GetPolicy().GetPriority(File);

       if (Pin < p)
         Pin = p;
       if (Pin < p)
         Pin = p;

+      if (File.Flagged(pkgCache::Flag::NotSource) == false) {
+        string Release = File.RelStr();
+        if (!Release.empty())
+           Releases.insert(Release);
+      }
+   }
+   if (!Releases.empty()) {
+       fprintf(output, "APT-Release:\n");
+       for (std::set<string>::iterator R = Releases.begin(); R != Releases.end(); ++R)
+          fprintf(output, " %s\n", R->c_str());

    }
    fprintf(output, "APT-Pin: %d\n", Pin);
    }
    fprintf(output, "APT-Pin: %d\n", Pin);

-   if (Cache.GetCandidateVer(Pkg) == Ver)
+   if (Cache.GetCandidateVersion(Pkg) == Ver)

       fprintf(output, "APT-Candidate: yes\n");
    if ((Cache[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto)
       fprintf(output, "APT-Automatic: yes\n");
 }
                                                                        /*}}}*/
       fprintf(output, "APT-Candidate: yes\n");
    if ((Cache[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto)
       fprintf(output, "APT-Automatic: yes\n");
 }
                                                                        /*}}}*/

-// EDSP::WriteScenarioDependency                                       /*{{{*/
-void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
-                               pkgCache::VerIterator const &Ver)
+// WriteScenarioDependency                                             /*{{{*/
+static void WriteScenarioDependency( FILE* output, pkgCache::VerIterator const &Ver)

 {
    std::string dependencies[pkgCache::Dep::Enhances + 1];
    bool orGroup = false;
    for (pkgCache::DepIterator Dep = Ver.DependsList(); Dep.end() == false; ++Dep)
    {
 {
    std::string dependencies[pkgCache::Dep::Enhances + 1];
    bool orGroup = false;
    for (pkgCache::DepIterator Dep = Ver.DependsList(); Dep.end() == false; ++Dep)
    {

-      // Ignore implicit dependencies for multiarch here
-      if (strcmp(Pkg.Arch(), Dep.TargetPkg().Arch()) != 0)
+      if (Dep.IsImplicit() == true)

         continue;
       if (orGroup == false)
         dependencies[Dep->Type].append(", ");
         continue;
       if (orGroup == false)
         dependencies[Dep->Type].append(", ");


@@ -117,8 +118,7 @@ void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::P
    string provides;
    for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
    {
    string provides;
    for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
    {

-      // Ignore implicit provides for multiarch here
-      if (strcmp(Pkg.Arch(), Prv.ParentPkg().Arch()) != 0 || strcmp(Pkg.Name(),Prv.Name()) == 0)
+      if (Prv.IsMultiArchImplicit() == true)

         continue;
       provides.append(", ").append(Prv.Name());
    }
         continue;
       provides.append(", ").append(Prv.Name());
    }


@@ -126,9 +126,8 @@ void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::P
       fprintf(output, "Provides: %s\n", provides.c_str()+2);
 }
                                                                        /*}}}*/
       fprintf(output, "Provides: %s\n", provides.c_str()+2);
 }
                                                                        /*}}}*/

-// EDSP::WriteScenarioLimitedDependency                                        /*{{{*/
-void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
-                                         pkgCache::PkgIterator const &Pkg,
+// WriteScenarioLimitedDependency                                      /*{{{*/
+static void WriteScenarioLimitedDependency(FILE* output,

                                          pkgCache::VerIterator const &Ver,
                                          APT::PackageSet const &pkgset)
 {
                                          pkgCache::VerIterator const &Ver,
                                          APT::PackageSet const &pkgset)
 {


@@ -136,8 +135,7 @@ void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
    bool orGroup = false;
    for (pkgCache::DepIterator Dep = Ver.DependsList(); Dep.end() == false; ++Dep)
    {
    bool orGroup = false;
    for (pkgCache::DepIterator Dep = Ver.DependsList(); Dep.end() == false; ++Dep)
    {

-      // Ignore implicit dependencies for multiarch here
-      if (strcmp(Pkg.Arch(), Dep.TargetPkg().Arch()) != 0)
+      if (Dep.IsImplicit() == true)

         continue;
       if (orGroup == false)
       {
         continue;
       if (orGroup == false)
       {


@@ -170,8 +168,7 @@ void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
    string provides;
    for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
    {
    string provides;
    for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
    {

-      // Ignore implicit provides for multiarch here
-      if (strcmp(Pkg.Arch(), Prv.ParentPkg().Arch()) != 0 || strcmp(Pkg.Name(),Prv.Name()) == 0)
+      if (Prv.IsMultiArchImplicit() == true)

         continue;
       if (pkgset.find(Prv.ParentPkg()) == pkgset.end())
         continue;
         continue;
       if (pkgset.find(Prv.ParentPkg()) == pkgset.end())
         continue;


@@ -181,23 +178,86 @@ void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
       fprintf(output, "Provides: %s\n", provides.c_str()+2);
 }
                                                                        /*}}}*/
       fprintf(output, "Provides: %s\n", provides.c_str()+2);
 }
                                                                        /*}}}*/

+// EDSP::WriteScenario - to the given file descriptor                  /*{{{*/
+bool EDSP::WriteScenario(pkgDepCache &Cache, FILE* output, OpProgress *Progress)
+{
+   if (Progress != NULL)
+      Progress->SubProgress(Cache.Head().VersionCount, _("Send scenario to solver"));
+   unsigned long p = 0;
+   std::vector<std::string> archs = APT::Configuration::getArchitectures();
+   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+   {
+      std::string const arch = Pkg.Arch();
+      if (std::find(archs.begin(), archs.end(), arch) == archs.end())
+        continue;
+      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver, ++p)
+      {
+        WriteScenarioVersion(Cache, output, Pkg, Ver);
+        WriteScenarioDependency(output, Ver);
+        fprintf(output, "\n");
+        if (Progress != NULL && p % 100 == 0)
+           Progress->Progress(p);
+      }
+   }
+   return true;
+}
+                                                                       /*}}}*/
+// EDSP::WriteLimitedScenario - to the given file descriptor           /*{{{*/
+bool EDSP::WriteLimitedScenario(pkgDepCache &Cache, FILE* output,
+                               APT::PackageSet const &pkgset,
+                               OpProgress *Progress)
+{
+   if (Progress != NULL)
+      Progress->SubProgress(Cache.Head().VersionCount, _("Send scenario to solver"));
+   unsigned long p  = 0;
+   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg, ++p)
+      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+      {
+        WriteScenarioVersion(Cache, output, Pkg, Ver);
+        WriteScenarioLimitedDependency(output, Ver, pkgset);
+        fprintf(output, "\n");
+        if (Progress != NULL && p % 100 == 0)
+           Progress->Progress(p);
+      }
+   if (Progress != NULL)
+      Progress->Done();
+   return true;
+}
+                                                                       /*}}}*/

 // EDSP::WriteRequest - to the given file descriptor                   /*{{{*/
 bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
 // EDSP::WriteRequest - to the given file descriptor                   /*{{{*/
 bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,

-                       bool const DistUpgrade, bool const AutoRemove)
+                       bool const DistUpgrade, bool const AutoRemove,
+                       OpProgress *Progress)

 {
 {

+   if (Progress != NULL)
+      Progress->SubProgress(Cache.Head().PackageCount, _("Send request to solver"));
+   unsigned long p = 0;

    string del, inst;
    string del, inst;

-   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg, ++p)

    {
    {

+      if (Progress != NULL && p % 100 == 0)
+         Progress->Progress(p);

       string* req;
       string* req;

-      if (Cache[Pkg].Delete() == true)
+      pkgDepCache::StateCache &P = Cache[Pkg];
+      if (P.Delete() == true)

         req = &del;
         req = &del;

-      else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true)
+      else if (P.NewInstall() == true || P.Upgrade() == true || P.ReInstall() == true ||
+              (P.Mode == pkgDepCache::ModeKeep && (P.iFlags & pkgDepCache::Protected) == pkgDepCache::Protected))

         req = &inst;
       else
         continue;
       req->append(" ").append(Pkg.FullName());
    }
         req = &inst;
       else
         continue;
       req->append(" ").append(Pkg.FullName());
    }

-   fprintf(output, "Request: EDSP 0.2\n");
+   fprintf(output, "Request: EDSP 0.5\n");
+
+   const char *arch = _config->Find("APT::Architecture").c_str();
+   std::vector<string> archs = APT::Configuration::getArchitectures();
+   fprintf(output, "Architecture: %s\n", arch);
+   fprintf(output, "Architectures:");
+   for (std::vector<string>::const_iterator a = archs.begin(); a != archs.end(); ++a)
+       fprintf(output, " %s", a->c_str());
+   fprintf(output, "\n");
+

    if (del.empty() == false)
       fprintf(output, "Remove: %s\n", del.c_str()+1);
    if (inst.empty() == false)
    if (del.empty() == false)
       fprintf(output, "Remove: %s\n", del.c_str()+1);
    if (inst.empty() == false)


@@ -211,7 +271,7 @@ bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
    if (_config->FindB("APT::Solver::Strict-Pinning", true) == false)
       fprintf(output, "Strict-Pinning: no\n");
    string solverpref("APT::Solver::");
    if (_config->FindB("APT::Solver::Strict-Pinning", true) == false)
       fprintf(output, "Strict-Pinning: no\n");
    string solverpref("APT::Solver::");

-   solverpref.append(_config->Find("APT::Solver::Name", "internal")).append("::Preferences");
+   solverpref.append(_config->Find("APT::Solver", "internal")).append("::Preferences");

    if (_config->Exists(solverpref) == true)
       fprintf(output, "Preferences: %s\n", _config->Find(solverpref,"").c_str());
    fprintf(output, "\n");
    if (_config->Exists(solverpref) == true)
       fprintf(output, "Preferences: %s\n", _config->Find(solverpref,"").c_str());
    fprintf(output, "\n");


@@ -220,7 +280,7 @@ bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
 }
                                                                        /*}}}*/
 // EDSP::ReadResponse - from the given file descriptor                 /*{{{*/
 }
                                                                        /*}}}*/
 // EDSP::ReadResponse - from the given file descriptor                 /*{{{*/

-bool EDSP::ReadResponse(int const input, pkgDepCache &Cache) {
+bool EDSP::ReadResponse(int const input, pkgDepCache &Cache, OpProgress *Progress) {

        /* We build an map id to mmap offset here
           In theory we could use the offset as ID, but then VersionCount
           couldn't be used to create other versionmappings anymore and it
        /* We build an map id to mmap offset here
           In theory we could use the offset as ID, but then VersionCount
           couldn't be used to create other versionmappings anymore and it


@@ -246,15 +306,26 @@ bool EDSP::ReadResponse(int const input, pkgDepCache &Cache) {
                else if (section.Exists("Remove") == true)
                        type = "Remove";
                else if (section.Exists("Progress") == true) {
                else if (section.Exists("Remove") == true)
                        type = "Remove";
                else if (section.Exists("Progress") == true) {

-                       std::clog << TimeRFC1123(time(NULL)) << " ";
-                       ioprintf(std::clog, "[ %3d%% ] ", section.FindI("Percentage", 0));
-                       std::clog << section.FindS("Progress") << " - ";
-                       string const msg = section.FindS("Message");
-                       if (msg.empty() == true)
-                               std::clog << "Solver is still working on the solution" << std::endl;
-                       else
-                               std::clog << msg << std::endl;
+                       if (Progress != NULL) {
+                               string msg = section.FindS("Message");
+                               if (msg.empty() == true)
+                                       msg = _("Prepare for receiving solution");
+                               Progress->SubProgress(100, msg, section.FindI("Percentage", 0));
+                       }

                        continue;
                        continue;

+               } else if (section.Exists("Error") == true) {
+                       std::string msg = SubstVar(SubstVar(section.FindS("Message"), "\n .\n", "\n\n"), "\n ", "\n");
+                       if (msg.empty() == true) {
+                               msg = _("External solver failed without a proper error message");
+                               _error->Error("%s", msg.c_str());
+                       } else
+                               _error->Error("External solver failed with: %s", msg.substr(0,msg.find('\n')).c_str());
+                       if (Progress != NULL)
+                               Progress->Done();
+                       std::cerr << "The solver encountered an error of type: " << section.FindS("Error") << std::endl;
+                       std::cerr << "The following information might help you to understand what is wrong:" << std::endl;
+                       std::cerr << msg << std::endl << std::endl;
+                       return false;

                } else if (section.Exists("Autoremove") == true)
                        type = "Autoremove";
                else
                } else if (section.Exists("Autoremove") == true)
                        type = "Autoremove";
                else


@@ -272,7 +343,11 @@ bool EDSP::ReadResponse(int const input, pkgDepCache &Cache) {
                pkgCache::VerIterator Ver(Cache.GetCache(), Cache.GetCache().VerP + VerIdx[id]);
                Cache.SetCandidateVersion(Ver);
                if (type == "Install")
                pkgCache::VerIterator Ver(Cache.GetCache(), Cache.GetCache().VerP + VerIdx[id]);
                Cache.SetCandidateVersion(Ver);
                if (type == "Install")

-                       Cache.MarkInstall(Ver.ParentPkg(), false, false);
+               {
+                       pkgCache::PkgIterator const P = Ver.ParentPkg();
+                       if (Cache[P].Mode != pkgDepCache::ModeInstall)
+                               Cache.MarkInstall(P, false, 0, false);
+               }

                else if (type == "Remove")
                        Cache.MarkDelete(Ver.ParentPkg(), false);
                else if (type == "Autoremove") {
                else if (type == "Remove")
                        Cache.MarkDelete(Ver.ParentPkg(), false);
                else if (type == "Autoremove") {


@@ -283,13 +358,13 @@ bool EDSP::ReadResponse(int const input, pkgDepCache &Cache) {
        return true;
 }
                                                                        /*}}}*/
        return true;
 }
                                                                        /*}}}*/

-// EDSP::ReadLine - first line from the given file descriptor          /*{{{*/
+// ReadLine - first line from the given file descriptor                        /*{{{*/

 // ---------------------------------------------------------------------
 /* Little helper method to read a complete line into a string. Similar to
    fgets but we need to use the low-level read() here as otherwise the
    listparser will be confused later on as mixing of fgets and read isn't
    a supported action according to the manpages and results are undefined */
 // ---------------------------------------------------------------------
 /* Little helper method to read a complete line into a string. Similar to
    fgets but we need to use the low-level read() here as otherwise the
    listparser will be confused later on as mixing of fgets and read isn't
    a supported action according to the manpages and results are undefined */

-bool EDSP::ReadLine(int const input, std::string &line) {
+static bool ReadLine(int const input, std::string &line) {

        char one;
        ssize_t data = 0;
        line.erase();
        char one;
        ssize_t data = 0;
        line.erase();


@@ -308,11 +383,11 @@ bool EDSP::ReadLine(int const input, std::string &line) {
        return false;
 }
                                                                        /*}}}*/
        return false;
 }
                                                                        /*}}}*/

-// EDSP::StringToBool - convert yes/no to bool                         /*{{{*/
+// StringToBool - convert yes/no to bool                               /*{{{*/

 // ---------------------------------------------------------------------
 /* we are not as lazy as we are in the global StringToBool as we really
    only accept yes/no here - but we will ignore leading spaces */
 // ---------------------------------------------------------------------
 /* we are not as lazy as we are in the global StringToBool as we really
    only accept yes/no here - but we will ignore leading spaces */

-bool EDSP::StringToBool(char const *answer, bool const defValue) {
+static bool StringToBool(char const *answer, bool const defValue) {

    for (; isspace(*answer) != 0; ++answer);
    if (strncasecmp(answer, "yes", 3) == 0)
       return true;
    for (; isspace(*answer) != 0; ++answer);
    if (strncasecmp(answer, "yes", 3) == 0)
       return true;


@@ -361,11 +436,18 @@ bool EDSP::ReadRequest(int const input, std::list<std::string> &install,
            request = &remove;
         }
         else if (line.compare(0, 8, "Upgrade:") == 0)
            request = &remove;
         }
         else if (line.compare(0, 8, "Upgrade:") == 0)

-           upgrade = EDSP::StringToBool(line.c_str() + 9, false);
+           upgrade = StringToBool(line.c_str() + 9, false);

         else if (line.compare(0, 13, "Dist-Upgrade:") == 0)
         else if (line.compare(0, 13, "Dist-Upgrade:") == 0)

-           distUpgrade = EDSP::StringToBool(line.c_str() + 14, false);
+           distUpgrade = StringToBool(line.c_str() + 14, false);

         else if (line.compare(0, 11, "Autoremove:") == 0)
         else if (line.compare(0, 11, "Autoremove:") == 0)

-           autoRemove = EDSP::StringToBool(line.c_str() + 12, false);
+           autoRemove = StringToBool(line.c_str() + 12, false);
+        else if (line.compare(0, 13, "Architecture:") == 0)
+           _config->Set("APT::Architecture", line.c_str() + 14);
+        else if (line.compare(0, 14, "Architectures:") == 0)
+        {
+           std::string const archs = line.c_str() + 15;
+           _config->Set("APT::Architectures", SubstVar(archs, " ", ","));
+        }

         else
            _error->Warning("Unknown line in EDSP Request stanza: %s", line.c_str());
 
         else
            _error->Warning("Unknown line in EDSP Request stanza: %s", line.c_str());
 


@@ -428,16 +510,16 @@ bool EDSP::WriteSolution(pkgDepCache &Cache, FILE* output)
       }
       else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true)
       {
       }
       else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true)
       {

-        fprintf(output, "Install: %d\n", Cache.GetCandidateVer(Pkg)->ID);
+        pkgCache::VerIterator const CandVer = Cache.GetCandidateVersion(Pkg);
+        fprintf(output, "Install: %d\n", CandVer->ID);

         if (Debug == true)
         if (Debug == true)

-           fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), Cache.GetCandidateVer(Pkg).VerStr());
+           fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), CandVer.VerStr());

       }
       else if (Cache[Pkg].Garbage == true)
       {
         fprintf(output, "Autoremove: %d\n", Pkg.CurrentVer()->ID);
         if (Debug == true)
            fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), Pkg.CurrentVer().VerStr());
       }
       else if (Cache[Pkg].Garbage == true)
       {
         fprintf(output, "Autoremove: %d\n", Pkg.CurrentVer()->ID);
         if (Debug == true)
            fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), Pkg.CurrentVer().VerStr());

-           fprintf(stderr, "Autoremove: %s\nVersion: %s\n", Pkg.FullName().c_str(), Pkg.CurrentVer().VerStr());

       }
       else
         continue;
       }
       else
         continue;


@@ -456,46 +538,93 @@ bool EDSP::WriteProgress(unsigned short const percent, const char* const message
        return true;
 }
                                                                        /*}}}*/
        return true;
 }
                                                                        /*}}}*/

-bool EDSP::WriteError(std::string const &message, FILE* output) { return false; }
-
+// EDSP::WriteError - format an error message to be send to file descriptor /*{{{*/
+bool EDSP::WriteError(char const * const uuid, std::string const &message, FILE* output) {
+       fprintf(output, "Error: %s\n", uuid);
+       fprintf(output, "Message: %s\n\n", SubstVar(SubstVar(message, "\n\n", "\n.\n"), "\n", "\n ").c_str());
+       return true;
+}
+                                                                       /*}}}*/

 // EDSP::ExecuteSolver - fork requested solver and setup ipc pipes     {{{*/
 // EDSP::ExecuteSolver - fork requested solver and setup ipc pipes     {{{*/

+pid_t EDSP::ExecuteSolver(const char* const solver, int * const solver_in, int * const solver_out, bool) {
+       std::vector<std::string> const solverDirs = _config->FindVector("Dir::Bin::Solvers");
+       std::string file;
+       for (std::vector<std::string>::const_iterator dir = solverDirs.begin();
+            dir != solverDirs.end(); ++dir) {
+               file = flCombine(*dir, solver);
+               if (RealFileExists(file.c_str()) == true)
+                       break;
+               file.clear();
+       }
+
+       if (file.empty() == true)
+       {
+               _error->Error("Can't call external solver '%s' as it is not in a configured directory!", solver);
+               return 0;
+       }
+       int external[4] = {-1, -1, -1, -1};
+       if (pipe(external) != 0 || pipe(external + 2) != 0)
+       {
+               _error->Errno("Resolve", "Can't create needed IPC pipes for EDSP");
+               return 0;
+       }
+       for (int i = 0; i < 4; ++i)
+               SetCloseExec(external[i], true);
+
+       pid_t Solver = ExecFork();
+       if (Solver == 0) {
+               dup2(external[0], STDIN_FILENO);
+               dup2(external[3], STDOUT_FILENO);
+               const char* calling[2] = { file.c_str(), 0 };
+               execv(calling[0], (char**) calling);
+               std::cerr << "Failed to execute solver '" << solver << "'!" << std::endl;
+               _exit(100);
+       }
+       close(external[0]);
+       close(external[3]);
+
+       if (WaitFd(external[1], true, 5) == false)
+       {
+               _error->Errno("Resolve", "Timed out while Waiting on availability of solver stdin");
+               return 0;
+       }
+
+       *solver_in = external[1];
+       *solver_out = external[2];
+       return Solver;
+}

 bool EDSP::ExecuteSolver(const char* const solver, int *solver_in, int *solver_out) {
 bool EDSP::ExecuteSolver(const char* const solver, int *solver_in, int *solver_out) {

-      std::vector<std::string> const solverDirs = _config->FindVector("Dir::Bin::Solvers");
-      std::string file;
-      for (std::vector<std::string>::const_iterator dir = solverDirs.begin();
-          dir != solverDirs.end(); ++dir) {
-        file = flCombine(*dir, solver);
-        if (RealFileExists(file.c_str()) == true)
-           break;
-        file.clear();
-      }
+   if (ExecuteSolver(solver, solver_in, solver_out, true) == 0)
+      return false;
+   return true;
+}
+                                                                       /*}}}*/
+// EDSP::ResolveExternal - resolve problems by asking external for help        {{{*/
+bool EDSP::ResolveExternal(const char* const solver, pkgDepCache &Cache,
+                        bool const upgrade, bool const distUpgrade,
+                        bool const autoRemove, OpProgress *Progress) {
+       int solver_in, solver_out;
+       pid_t const solver_pid = EDSP::ExecuteSolver(solver, &solver_in, &solver_out, true);
+       if (solver_pid == 0)
+               return false;

 
 

-      if (file.empty() == true)
-        return _error->Error("Can't call external solver '%s' as it is not in a configured directory!", solver);
-      int external[4] = {-1, -1, -1, -1};
-      if (pipe(external) != 0 || pipe(external + 2) != 0)
-        return _error->Errno("Resolve", "Can't create needed IPC pipes for EDSP");
-      for (int i = 0; i < 4; ++i)
-        SetCloseExec(external[i], true);
+       FILE* output = fdopen(solver_in, "w");
+       if (output == NULL)
+               return _error->Errno("Resolve", "fdopen on solver stdin failed");

 
 

-      pid_t Solver = ExecFork();
-      if (Solver == 0)
-      {
-        dup2(external[0], STDIN_FILENO);
-        dup2(external[3], STDOUT_FILENO);
-        const char* calling[2] = { file.c_str(), 0 };
-        execv(calling[0], (char**) calling);
-        std::cerr << "Failed to execute solver '" << solver << "'!" << std::endl;
-        _exit(100);
-      }
-      close(external[0]);
-      close(external[3]);
+       if (Progress != NULL)
+               Progress->OverallProgress(0, 100, 5, _("Execute external solver"));
+       EDSP::WriteRequest(Cache, output, upgrade, distUpgrade, autoRemove, Progress);
+       if (Progress != NULL)
+               Progress->OverallProgress(5, 100, 20, _("Execute external solver"));
+       EDSP::WriteScenario(Cache, output, Progress);
+       fclose(output);

 
 

-      if (WaitFd(external[1], true, 5) == false)
-         return _error->Errno("Resolve", "Timed out while Waiting on availability of solver stdin");
+       if (Progress != NULL)
+               Progress->OverallProgress(25, 100, 75, _("Execute external solver"));
+       if (EDSP::ReadResponse(solver_out, Cache, Progress) == false)
+               return false;

 
 

-      *solver_in = external[1];
-      *solver_out = external[2];
-      return true;
+       return ExecWait(solver_pid, solver);

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