deal with --version more centrally

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

diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc
index e4cdf63813ac241f24f3e81961c4eca7d1b02c9a..ae8c08bba99e6394f691109d6e005f4b1efa1ab6 100644 (file)
--- a/cmdline/apt-internal-solver.cc
+++ b/cmdline/apt-internal-solver.cc
@@ -25,8 +25,13 @@
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/cacheiterators.h>
 
+#include <apt-private/private-output.h>
+#include <apt-private/private-cmndline.h>
+#include <apt-private/private-main.h>
+
 #include <string.h>
 #include <iostream>
+#include <sstream>
 #include <list>
 #include <string>
 #include <unistd.h>
@@ -36,13 +41,8 @@
 #include <apti18n.h>
                                                                        /*}}}*/
 
-// ShowHelp - Show a help screen                                       /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool ShowHelp(CommandLine &) {
-       ioprintf(std::cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
-                COMMON_ARCH,__DATE__,__TIME__);
-
+bool ShowHelp(CommandLine &, aptDispatchWithHelp const *)              /*{{{*/
+{
        std::cout <<
                _("Usage: apt-internal-solver\n"
                "\n"
@@ -63,30 +63,20 @@ APT_NORETURN static void DIE(std::string const &message) {          /*{{{*/
        exit(EXIT_FAILURE);
 }
                                                                        /*}}}*/
+std::vector<aptDispatchWithHelp> GetCommands()                         /*{{{*/
+{
+   return {};
+}
+                                                                       /*}}}*/
 int main(int argc,const char *argv[])                                  /*{{{*/
 {
-       CommandLine::Args Args[] = {
-               {'h',"help","help",0},
-               {'v',"version","version",0},
-               {'q',"quiet","quiet",CommandLine::IntLevel},
-               {'q',"silent","quiet",CommandLine::IntLevel},
-               {'c',"config-file",0,CommandLine::ConfigFile},
-               {'o',"option",0,CommandLine::ArbItem},
-               {0,0,0,0}};
-
-       CommandLine CmdL(Args,_config);
-       if (pkgInitConfig(*_config) == false ||
-           CmdL.Parse(argc,argv) == false) {
-               _error->DumpErrors();
-               return 2;
-       }
+       InitLocale();
 
-       // See if the help should be shown
-       if (_config->FindB("help") == true ||
-           _config->FindB("version") == true) {
-               ShowHelp(CmdL);
-               return 1;
-       }
+       // we really don't need anything
+       DropPrivileges();
+
+       CommandLine CmdL;
+       ParseCommandLine(CmdL, APT_CMD::APT_INTERNAL_SOLVER, &_config, NULL, argc, argv);
 
        if (CmdL.FileList[0] != 0 && strcmp(CmdL.FileList[0], "scenario") == 0)
        {
@@ -114,8 +104,9 @@ int main(int argc,const char *argv[])                                       /*{{{*/
        if (_config->FindI("quiet", 0) < 1)
                _config->Set("Debug::EDSP::WriteSolution", true);
 
+       _config->Set("APT::System", "Debian APT solver interface");
        _config->Set("APT::Solver", "internal");
-       _config->Set("edsp::scenario", "stdin");
+       _config->Set("edsp::scenario", "/nonexistent/stdin");
        int input = STDIN_FILENO;
        FILE* output = stdout;
        SetNonBlock(input, false);
@@ -168,18 +159,20 @@ 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 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) {
-               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;
        }
 
@@ -190,11 +183,6 @@ int main(int argc,const char *argv[])                                      /*{{{*/
 
        EDSP::WriteProgress(100, "Done", output);
 
-       bool const Errors = _error->PendingError();
-       if (_config->FindI("quiet",0) > 0)
-               _error->DumpErrors(std::cerr);
-       else
-               _error->DumpErrors(std::cerr, GlobalError::DEBUG);
-       return Errors == true ? 100 : 0;
+       return DispatchCommandLine(CmdL, {});
 }
                                                                        /*}}}*/