X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/3952f883f3b60aaebe538afe3e8fb2b9f75c9262..e5fefea6ec93746376bf42733ee84a9fafeab764:/cmdline/apt-internal-solver.cc diff --git a/cmdline/apt-internal-solver.cc b/cmdline/apt-internal-solver.cc index ef6c688fe..c24a96cdf 100644 --- a/cmdline/apt-internal-solver.cc +++ b/cmdline/apt-internal-solver.cc @@ -7,45 +7,64 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include <config.h> + #include <apt-pkg/error.h> #include <apt-pkg/cmndline.h> #include <apt-pkg/init.h> #include <apt-pkg/cachefile.h> +#include <apt-pkg/cacheset.h> #include <apt-pkg/strutl.h> #include <apt-pkg/edsp.h> #include <apt-pkg/algorithms.h> #include <apt-pkg/fileutl.h> - -#include <config.h> -#include <apti18n.h> - +#include <apt-pkg/pkgsystem.h> +#include <apt-pkg/upgrade.h> +#include <apt-pkg/configuration.h> +#include <apt-pkg/depcache.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/cacheiterators.h> +#include <apt-private/private-output.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 /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowHelp(CommandLine &CmdL) { - ioprintf(std::cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION, +static bool ShowHelp(CommandLine &) { + ioprintf(std::cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION, COMMON_ARCH,__DATE__,__TIME__); 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[] = { @@ -57,6 +76,9 @@ int main(int argc,const char *argv[]) /*{{{*/ {'o',"option",0,CommandLine::ArbItem}, {0,0,0,0}}; + // we really don't need anything + DropPrivs(); + CommandLine CmdL(Args,_config); if (pkgInitConfig(*_config) == false || CmdL.Parse(argc,argv) == false) { @@ -105,34 +127,29 @@ int main(int argc,const char *argv[]) /*{{{*/ 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(); @@ -156,27 +173,27 @@ 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 occured", output); - return 0; - } + if (pkgAllUpgrade(CacheFile) == 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 (pkgDistUpgrade(CacheFile) == 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);