#include <apt-pkg/algorithms.h>
#include <apt-pkg/fileutl.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 <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 /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowHelp(CommandLine &CmdL) {
- 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 {};
+}
+ /*}}}*/
+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}};
-
- 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, APT_CMD::APT_INTERNAL_SOLVER, &_config, NULL, argc, argv, &ShowHelp, &GetCommands);
if (CmdL.FileList[0] != 0 && strcmp(CmdL.FileList[0], "scenario") == 0)
{
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<bool> 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;
}
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);
- 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<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;
- }
+ unsigned int flags;
+ if (EDSP::ReadRequest(input, install, remove, flags) == 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<std::string>::const_iterator i = remove.begin();
EDSP::WriteProgress(60, "Call problemresolver on current scenario…", output);
- if (upgrade == true) {
- if (pkgAllUpgrade(CacheFile) == false) {
- EDSP::WriteError("ERR_UNSOLVABLE_UPGRADE", "An upgrade error occured", output);
- return 0;
- }
- } 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);
+ std::string failure;
+ 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 (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 (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, {});
}
/*}}}*/
projects / apt.git / blobdiff