Merge branch 'debian/sid' into debian/experimental

[apt.git] / cmdline / apt-internal-solver.cc

diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc
index b85c07c33345bcb3541e425eadcedae4db849154..92a4429e5789a408a7b4c8350b11300c3c18327e 100644 (file)
--- a/cmdline/apt-internal-solver.cc
+++ b/cmdline/apt-internal-solver.cc
@@ -24,13 +24,16 @@
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/cacheiterators.h>

+#include <apt-private/private-output.h>

 
 #include <string.h>
 #include <iostream>
 
 #include <string.h>
 #include <iostream>

+#include <sstream>

 #include <list>
 #include <string>
 #include <unistd.h>
 #include <cstdio>
 #include <list>
 #include <string>
 #include <unistd.h>
 #include <cstdio>

+#include <stdlib.h>

 
 #include <apti18n.h>
                                                                        /*}}}*/
 
 #include <apti18n.h>
                                                                        /*}}}*/


@@ -56,6 +59,12 @@ static bool ShowHelp(CommandLine &) {
        return true;
 }
                                                                        /*}}}*/
        return true;
 }
                                                                        /*}}}*/

+APT_NORETURN static void DIE(std::string const &message) {             /*{{{*/
+       std::cerr << "ERROR: " << message << std::endl;
+       _error->DumpErrors(std::cerr);
+       exit(EXIT_FAILURE);
+}
+                                                                       /*}}}*/

 int main(int argc,const char *argv[])                                  /*{{{*/
 {
        CommandLine::Args Args[] = {
 int main(int argc,const char *argv[])                                  /*{{{*/
 {
        CommandLine::Args Args[] = {


@@ -67,6 +76,9 @@ int main(int argc,const char *argv[])                                 /*{{{*/
                {'o',"option",0,CommandLine::ArbItem},
                {0,0,0,0}};
 
                {'o',"option",0,CommandLine::ArbItem},
                {0,0,0,0}};
 

+        // we really don't need anything
+        DropPrivileges();
+

        CommandLine CmdL(Args,_config);
        if (pkgInitConfig(*_config) == false ||
            CmdL.Parse(argc,argv) == false) {
        CommandLine CmdL(Args,_config);
        if (pkgInitConfig(*_config) == false ||
            CmdL.Parse(argc,argv) == false) {


@@ -115,34 +127,29 @@ int main(int argc,const char *argv[])                                     /*{{{*/
 
        EDSP::WriteProgress(0, "Start up solver…", output);
 
 
        EDSP::WriteProgress(0, "Start up solver…", output);
 

-       if (pkgInitSystem(*_config,_system) == false) {
-               std::cerr << "System could not be initialized!" << std::endl;
-               return 1;
-       }
+       if (pkgInitSystem(*_config,_system) == false)
+               DIE("System could not be initialized!");

 
        EDSP::WriteProgress(1, "Read request…", output);
 
        if (WaitFd(input, false, 5) == false)
 
        EDSP::WriteProgress(1, "Read request…", output);
 
        if (WaitFd(input, false, 5) == false)

-               std::cerr << "WAIT timed out in the resolver" << std::endl;
+               DIE("WAIT timed out in the resolver");

 
        std::list<std::string> install, remove;
        bool upgrade, distUpgrade, autoRemove;
 
        std::list<std::string> install, remove;
        bool upgrade, distUpgrade, autoRemove;

-       if (EDSP::ReadRequest(input, install, remove, upgrade, distUpgrade, autoRemove) == false) {
-               std::cerr << "Parsing the request failed!" << std::endl;
-               return 2;
-       }
+       if (EDSP::ReadRequest(input, install, remove, upgrade, distUpgrade, autoRemove) == false)
+               DIE("Parsing the request failed!");

 
        EDSP::WriteProgress(5, "Read scenario…", output);
 
        pkgCacheFile CacheFile;
 
        EDSP::WriteProgress(5, "Read scenario…", output);
 
        pkgCacheFile CacheFile;

-       CacheFile.Open(NULL, false);
+       if (CacheFile.Open(NULL, false) == false)
+               DIE("Failed to open CacheFile!");

 
        EDSP::WriteProgress(50, "Apply request on scenario…", output);
 
 
        EDSP::WriteProgress(50, "Apply request on scenario…", output);
 

-       if (EDSP::ApplyRequest(install, remove, CacheFile) == false) {
-               std::cerr << "Failed to apply request to depcache!" << std::endl;
-               return 3;
-       }
+       if (EDSP::ApplyRequest(install, remove, CacheFile) == false)
+               DIE("Failed to apply request to depcache!");

 
        pkgProblemResolver Fix(CacheFile);
        for (std::list<std::string>::const_iterator i = remove.begin();
 
        pkgProblemResolver Fix(CacheFile);
        for (std::list<std::string>::const_iterator i = remove.begin();


@@ -166,27 +173,27 @@ int main(int argc,const char *argv[])                                     /*{{{*/
 
        EDSP::WriteProgress(60, "Call problemresolver on current scenario…", output);
 
 
        EDSP::WriteProgress(60, "Call problemresolver on current scenario…", output);
 

+       std::string failure;

        if (upgrade == true) {
        if (upgrade == true) {

-               if (pkgAllUpgrade(CacheFile) == false) {
-                       EDSP::WriteError("ERR_UNSOLVABLE_UPGRADE", "An upgrade error occurred", output);
-                       return 0;
-               }
+               if (APT::Upgrade::Upgrade(CacheFile, APT::Upgrade::FORBID_REMOVE_PACKAGES | APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES) == false)
+                       failure = "ERR_UNSOLVABLE_UPGRADE";

        } else if (distUpgrade == true) {
        } else if (distUpgrade == true) {

-               if (pkgDistUpgrade(CacheFile) == false) {
-                       EDSP::WriteError("ERR_UNSOLVABLE_DIST_UPGRADE", "An dist-upgrade error occurred", output);
-                       return 0;
-               }
-       } else if (Fix.Resolve() == false) {
-               EDSP::WriteError("ERR_UNSOLVABLE", "An error occurred", output);
+               if (APT::Upgrade::Upgrade(CacheFile, APT::Upgrade::ALLOW_EVERYTHING) == false)
+                       failure = "ERR_UNSOLVABLE_DIST_UPGRADE";
+       } else if (Fix.Resolve() == false)
+               failure = "ERR_UNSOLVABLE";
+
+       if (failure.empty() == false) {
+               std::ostringstream broken;
+               ShowBroken(broken, CacheFile, false);
+               EDSP::WriteError(failure.c_str(), broken.str(), output);

                return 0;
        }
 
        EDSP::WriteProgress(95, "Write solution…", output);
 
                return 0;
        }
 
        EDSP::WriteProgress(95, "Write solution…", output);
 

-       if (EDSP::WriteSolution(CacheFile, output) == false) {
-               std::cerr << "Failed to output the solution!" << std::endl;
-               return 4;
-       }
+       if (EDSP::WriteSolution(CacheFile, output) == false)
+               DIE("Failed to output the solution!");

 
        EDSP::WriteProgress(100, "Done", output);
 
 
        EDSP::WriteProgress(100, "Done", output);