X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/249aec3b7397662a678ea0014f94392085477b09..5832913a49d4f7c75527264a935cc0ce00627f1d:/cmdline/apt-internal-solver.cc diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc index 939061b93..aecb0eaba 100644 --- a/cmdline/apt-internal-solver.cc +++ b/cmdline/apt-internal-solver.cc @@ -27,6 +27,7 @@ #include #include +#include #include #include @@ -40,23 +41,14 @@ #include /*}}}*/ -// ShowHelp - Show a help screen /*{{{*/ -// --------------------------------------------------------------------- -/* */ -static bool ShowHelp(CommandLine &) { - ioprintf(std::cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH); - +static bool ShowHelp(CommandLine &) /*{{{*/ +{ std::cout << _("Usage: apt-internal-solver\n" "\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"); + "resolver for the APT family like an external one, for debugging or\n" + "the like.\n"); return true; } /*}}}*/ @@ -66,22 +58,34 @@ APT_NORETURN static void DIE(std::string const &message) { /*{{{*/ exit(EXIT_FAILURE); } /*}}}*/ +static std::vector GetCommands() /*{{{*/ +{ + return {}; +} + /*}}}*/ +static bool WriteSolution(pkgDepCache &Cache, FileFd &output) /*{{{*/ +{ + bool Okay = output.Failed() == false; + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false && likely(Okay); ++Pkg) + { + std::string action; + if (Cache[Pkg].Delete() == true) + Okay &= EDSP::WriteSolutionStanza(output, "Remove", Pkg.CurrentVer()); + else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true) + Okay &= EDSP::WriteSolutionStanza(output, "Install", Cache.GetCandidateVersion(Pkg)); + else if (Cache[Pkg].Garbage == true) + Okay &= EDSP::WriteSolutionStanza(output, "Autoremove", Pkg.CurrentVer()); + } + return Okay; +} + /*}}}*/ 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}}; - - // we really don't need anything - DropPrivileges(); + // we really don't need anything + DropPrivileges(); CommandLine CmdL; - ParseCommandLine(CmdL, NULL, Args, &_config, NULL, argc, argv, ShowHelp); + ParseCommandLine(CmdL, APT_CMD::APT_INTERNAL_SOLVER, &_config, NULL, argc, argv, &ShowHelp, &GetCommands); if (CmdL.FileList[0] != 0 && strcmp(CmdL.FileList[0], "scenario") == 0) { @@ -92,12 +96,19 @@ int main(int argc,const char *argv[]) /*{{{*/ pkgCacheFile CacheFile; CacheFile.Open(NULL, false); APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1); - FILE* output = stdout; + FileFd output; + if (output.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly | FileFd::BufferedWrite, true) == false) + return 2; if (pkgset.empty() == true) EDSP::WriteScenario(CacheFile, output); else - EDSP::WriteLimitedScenario(CacheFile, output, pkgset); - fclose(output); + { + std::vector pkgvec(CacheFile->Head().PackageCount, false); + for (auto const &p: pkgset) + pkgvec[p->ID] = true; + EDSP::WriteLimitedScenario(CacheFile, output, pkgvec); + } + output.Close(); _error->DumpErrors(std::cerr); return 0; } @@ -109,10 +120,14 @@ 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"); - int input = STDIN_FILENO; - FILE* output = stdout; + _config->Set("edsp::scenario", "/nonexistent/stdin"); + _config->Clear("Dir::Log"); + FileFd output; + if (output.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly | FileFd::BufferedWrite, true) == false) + DIE("stdout couldn't be opened"); + int const input = STDIN_FILENO; SetNonBlock(input, false); EDSP::WriteProgress(0, "Start up solver…", output); @@ -126,8 +141,8 @@ int main(int argc,const char *argv[]) /*{{{*/ DIE("WAIT timed out in the resolver"); std::list install, remove; - bool upgrade, distUpgrade, autoRemove; - if (EDSP::ReadRequest(input, install, remove, upgrade, distUpgrade, autoRemove) == false) + unsigned int flags; + if (EDSP::ReadRequest(input, install, remove, flags) == false) DIE("Parsing the request failed!"); EDSP::WriteProgress(5, "Read scenario…", output); @@ -164,12 +179,19 @@ int main(int argc,const char *argv[]) /*{{{*/ EDSP::WriteProgress(60, "Call problemresolver on current scenario…", output); std::string failure; - if (upgrade == true) { - if (APT::Upgrade::Upgrade(CacheFile, APT::Upgrade::FORBID_REMOVE_PACKAGES | APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES) == false) + if (flags & EDSP::Request::UPGRADE_ALL) { + int upgrade_flags = APT::Upgrade::ALLOW_EVERYTHING; + if (flags & EDSP::Request::FORBID_NEW_INSTALL) + upgrade_flags |= APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES; + if (flags & EDSP::Request::FORBID_REMOVE) + upgrade_flags |= APT::Upgrade::FORBID_REMOVE_PACKAGES; + + if (APT::Upgrade::Upgrade(CacheFile, upgrade_flags)) + ; + else if (upgrade_flags == APT::Upgrade::ALLOW_EVERYTHING) + failure = "ERR_UNSOLVABLE_FULL_UPGRADE"; + else failure = "ERR_UNSOLVABLE_UPGRADE"; - } else if (distUpgrade == true) { - if (APT::Upgrade::Upgrade(CacheFile, APT::Upgrade::ALLOW_EVERYTHING) == false) - failure = "ERR_UNSOLVABLE_DIST_UPGRADE"; } else if (Fix.Resolve() == false) failure = "ERR_UNSOLVABLE"; @@ -182,16 +204,11 @@ int main(int argc,const char *argv[]) /*{{{*/ EDSP::WriteProgress(95, "Write solution…", output); - if (EDSP::WriteSolution(CacheFile, output) == false) + if (WriteSolution(CacheFile, output) == false) DIE("Failed to output the solution!"); 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, {}); } /*}}}*/