X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/d9933172b31e21862b660c182f7c747802dbaa73..defe3231c7bafc4d789219a3250be9ccfbc51914:/cmdline/apt-internal-solver.cc diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc index 83a671a96..af301dbcd 100644 --- a/cmdline/apt-internal-solver.cc +++ b/cmdline/apt-internal-solver.cc @@ -7,45 +7,65 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include #include +#include #include #include #include #include - -#include -#include - +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include #include #include +#include + +#include /*}}}*/ // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowHelp(CommandLine &CmdL) { - ioprintf(std::cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION, - COMMON_ARCH,__DATE__,__TIME__); +static bool ShowHelp(CommandLine &) { + ioprintf(std::cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH); 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[] = { @@ -53,20 +73,33 @@ int main(int argc,const char *argv[]) /*{{{*/ {'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; - } - - // 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, NULL, Args, &_config, NULL, argc, argv, ShowHelp); + + if (CmdL.FileList[0] != 0 && strcmp(CmdL.FileList[0], "scenario") == 0) + { + if (pkgInitSystem(*_config,_system) == false) { + std::cerr << "System could not be initialized!" << std::endl; + return 1; + } + pkgCacheFile CacheFile; + CacheFile.Open(NULL, false); + APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1); + FILE* output = stdout; + if (pkgset.empty() == true) + EDSP::WriteScenario(CacheFile, output); + else + EDSP::WriteLimitedScenario(CacheFile, output, pkgset); + fclose(output); + _error->DumpErrors(std::cerr); + return 0; } // Deal with stdout not being a tty @@ -76,34 +109,38 @@ int main(int argc,const char *argv[]) /*{{{*/ if (_config->FindI("quiet", 0) < 1) _config->Set("Debug::EDSP::WriteSolution", true); - _config->Set("APT::Solver::Name", "internal"); + _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; SetNonBlock(input, false); - if (pkgInitSystem(*_config,_system) == false) { - std::cerr << "System could not be initialized!" << std::endl; - return 1; - } + EDSP::WriteProgress(0, "Start up solver…", output); + + 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 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!"); - if (EDSP::ApplyRequest(install, remove, CacheFile) == false) { - std::cerr << "Failed to apply request to depcache!" << std::endl; - return 3; - } + EDSP::WriteProgress(50, "Apply request on scenario…", output); + + if (EDSP::ApplyRequest(install, remove, CacheFile) == false) + DIE("Failed to apply request to depcache!"); pkgProblemResolver Fix(CacheFile); for (std::list::const_iterator i = remove.begin(); @@ -125,22 +162,37 @@ int main(int argc,const char *argv[]) /*{{{*/ i != install.end(); ++i) CacheFile->MarkInstall(CacheFile->FindPkg(*i), true); - - if (Fix.Resolve() == false) { - EDSP::WriteError("An error occured", output); + 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) + 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"; + + if (failure.empty() == false) { + std::ostringstream broken; + ShowBroken(broken, CacheFile, false); + EDSP::WriteError(failure.c_str(), broken.str(), output); return 0; } - if (EDSP::WriteSolution(CacheFile, output) == false) { - std::cerr << "Failed to output the solution!" << std::endl; - return 4; - } + EDSP::WriteProgress(95, "Write solution…", output); + + if (EDSP::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(); + _error->DumpErrors(std::cerr); else - _error->DumpErrors(GlobalError::DEBUG); + _error->DumpErrors(std::cerr, GlobalError::DEBUG); return Errors == true ? 100 : 0; } /*}}}*/