don't cleanup cdrom files in apt-get update

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

diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc
index ef6c688fec74b488603e994b4113f2551ede8a1d..5fda7b6a0af4d393626967a4ecec12e5cd20b7d8 100644 (file)
--- a/cmdline/apt-internal-solver.cc
+++ b/cmdline/apt-internal-solver.cc
@@ -7,45 +7,64 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/error.h>
 #include <apt-pkg/cmndline.h>
 #include <apt-pkg/init.h>
 #include <apt-pkg/cachefile.h>
+#include <apt-pkg/cacheset.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/edsp.h>
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/fileutl.h>
-
-#include <config.h>
-#include <apti18n.h>
-
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/upgrade.h>
+#include <apt-pkg/configuration.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 <sstream>
+#include <list>
+#include <string>
 #include <unistd.h>
 #include <cstdio>
+#include <stdlib.h>
+
+#include <apti18n.h>
                                                                        /*}}}*/
 
 // ShowHelp - Show a help screen                                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool ShowHelp(CommandLine &CmdL) {
-       ioprintf(std::cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
+static bool ShowHelp(CommandLine &) {
+       ioprintf(std::cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
                 COMMON_ARCH,__DATE__,__TIME__);
 
        std::cout <<
-               _("Usage: apt-internal-resolver\n"
+               _("Usage: apt-internal-solver\n"
                "\n"
-               "apt-internal-resolver is an interface to use the current internal\n"
+               "apt-internal-solver is an interface to use the current internal\n"
                "like an external resolver for the APT family for debugging or alike\n"
                "\n"
                "Options:\n"
                "  -h  This help text.\n"
                "  -q  Loggable output - no progress indicator\n"
                "  -c=? Read this configuration file\n"
-               "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
-               "apt.conf(5) manual pages for more information and options.\n"
-               "                       This APT has Super Cow Powers.\n");
+               "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
        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[] = {
@@ -105,34 +124,29 @@ int main(int argc,const char *argv[])                                     /*{{{*/
 
        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)
-               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;
-       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;
-       CacheFile.Open(NULL, false);
+       if (CacheFile.Open(NULL, false) == false)
+               DIE("Failed to open CacheFile!");
 
        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();
@@ -156,27 +170,27 @@ int main(int argc,const char *argv[])                                     /*{{{*/
 
        EDSP::WriteProgress(60, "Call problemresolver on current scenario…", output);
 
+       std::string failure;
        if (upgrade == true) {
-               if (pkgAllUpgrade(CacheFile) == false) {
-                       EDSP::WriteError("ERR_UNSOLVABLE_UPGRADE", "An upgrade error occured", output);
-                       return 0;
-               }
+               if (pkgAllUpgrade(CacheFile) == false)
+                       failure = "ERR_UNSOLVABLE_UPGRADE";
        } else if (distUpgrade == true) {
-               if (pkgDistUpgrade(CacheFile) == false) {
-                       EDSP::WriteError("ERR_UNSOLVABLE_DIST_UPGRADE", "An dist-upgrade error occured", output);
-                       return 0;
-               }
-       } else if (Fix.Resolve() == false) {
-               EDSP::WriteError("ERR_UNSOLVABLE", "An error occured", output);
+               if (pkgDistUpgrade(CacheFile) == 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);
 
-       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);