X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/0fffbc8ce4cb6357f59db63db5571f46a668a66b..df53919b1ea2148f111150578ee9b9618b84d01a:/cmdline/apt-internal-solver.cc diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc index 1b636e4d5..af301dbcd 100644 --- a/cmdline/apt-internal-solver.cc +++ b/cmdline/apt-internal-solver.cc @@ -7,6 +7,8 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include @@ -17,37 +19,53 @@ #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[] = { @@ -59,19 +77,11 @@ int main(int argc,const char *argv[]) /*{{{*/ {'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; - } + // we really don't need anything + DropPrivileges(); - // See if the help should be shown - if (_config->FindB("help") == true || - _config->FindB("version") == true) { - ShowHelp(CmdL); - return 1; - } + CommandLine CmdL; + ParseCommandLine(CmdL, NULL, Args, &_config, NULL, argc, argv, ShowHelp); if (CmdL.FileList[0] != 0 && strcmp(CmdL.FileList[0], "scenario") == 0) { @@ -99,6 +109,7 @@ 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; @@ -107,34 +118,29 @@ 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 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::const_iterator i = remove.begin(); @@ -158,27 +164,27 @@ 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 (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 occured", output); - return 0; - } - } else if (Fix.Resolve() == false) { - EDSP::WriteError("ERR_UNSOLVABLE", "An error occured", 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 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);