X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/83b880c6505a20247239d897b7387bba37942993..bc8f83a5afd858206efe518c31bbb1ac948a39a3:/cmdline/apt-internal-solver.cc?ds=sidebyside diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc index b85c07c33..b88d745c4 100644 --- a/cmdline/apt-internal-solver.cc +++ b/cmdline/apt-internal-solver.cc @@ -25,61 +25,53 @@ #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> #include <cstdio> +#include <stdlib.h> #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__); - +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; } /*}}}*/ +APT_NORETURN static void DIE(std::string const &message) { /*{{{*/ + std::cerr << "ERROR: " << message << std::endl; + _error->DumpErrors(std::cerr); + exit(EXIT_FAILURE); +} + /*}}}*/ +static 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, &ShowHelp, &GetCommands); if (CmdL.FileList[0] != 0 && strcmp(CmdL.FileList[0], "scenario") == 0) { @@ -107,42 +99,38 @@ 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); EDSP::WriteProgress(0, "Start up solverâ¦", 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 requestâ¦", 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 scenarioâ¦", output); pkgCacheFile CacheFile; - CacheFile.Open(NULL, false); + if (CacheFile.Open(NULL, false) == false) + DIE("Failed to open CacheFile!"); EDSP::WriteProgress(50, "Apply request on scenarioâ¦", 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(); @@ -166,35 +154,30 @@ int main(int argc,const char *argv[]) /*{{{*/ EDSP::WriteProgress(60, "Call problemresolver on current scenarioâ¦", 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; } EDSP::WriteProgress(95, "Write solutionâ¦", 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); - 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, {}); } /*}}}*/