// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: apt-get.cc,v 1.156 2004/08/28 01:05:16 mdz Exp $ /* ###################################################################### apt-get - Cover for dpkg This is an allout cover for dpkg implementing a safer front end. It is based largely on libapt-pkg. The syntax is different, apt-get [opt] command [things] Where command is: update - Resyncronize the package files from their sources upgrade - Smart-Download the newest versions of all packages dselect-upgrade - Follows dselect's changes to the Status: field and installes new and removes old packages dist-upgrade - Powerful upgrader designed to handle the issues with a new distribution. install - Download and install a given package (by name, not by .deb) check - Update the package cache and check for broken packages clean - Erase the .debs downloaded to /var/cache/apt/archives and the partial dir too ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ #include <config.h> #include <apt-pkg/acquire-item.h> #include <apt-pkg/algorithms.h> #include <apt-pkg/aptconfiguration.h> #include <apt-pkg/cachefile.h> #include <apt-pkg/cacheset.h> #include <apt-pkg/clean.h> #include <apt-pkg/cmndline.h> #include <apt-pkg/debmetaindex.h> #include <apt-pkg/depcache.h> #include <apt-pkg/error.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/indexfile.h> #include <apt-pkg/indexrecords.h> #include <apt-pkg/init.h> #include <apt-pkg/md5.h> #include <apt-pkg/metaindex.h> #include <apt-pkg/pkgrecords.h> #include <apt-pkg/pkgsystem.h> #include <apt-pkg/progress.h> #include <apt-pkg/sourcelist.h> #include <apt-pkg/srcrecords.h> #include <apt-pkg/strutl.h> #include <apt-pkg/version.h> #include <apt-pkg/acquire.h> #include <apt-pkg/configuration.h> #include <apt-pkg/macros.h> #include <apt-pkg/pkgcache.h> #include <apt-pkg/cacheiterators.h> #include <apt-pkg/upgrade.h> #include <apt-private/acqprogress.h> #include <apt-private/private-cacheset.h> #include <apt-private/private-cachefile.h> #include <apt-private/private-cmndline.h> #include <apt-private/private-download.h> #include <apt-private/private-install.h> #include <apt-private/private-main.h> #include <apt-private/private-moo.h> #include <apt-private/private-output.h> #include <apt-private/private-update.h> #include <apt-private/private-upgrade.h> #include <apt-private/private-utils.h> #include <errno.h> #include <signal.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/ioctl.h> #include <sys/stat.h> #include <sys/statfs.h> #include <sys/statvfs.h> #include <sys/wait.h> #include <unistd.h> #include <algorithm> #include <fstream> #include <iostream> #include <set> #include <string> #include <vector> #include <apti18n.h> /*}}}*/ using namespace std; // TryToInstallBuildDep - Try to install a single package /*{{{*/ // --------------------------------------------------------------------- /* This used to be inlined in DoInstall, but with the advent of regex package name matching it was split out.. */ static bool TryToInstallBuildDep(pkgCache::PkgIterator Pkg,pkgCacheFile &Cache, pkgProblemResolver &Fix,bool Remove,bool BrokenFix, bool AllowFail = true) { if (Cache[Pkg].CandidateVer == 0 && Pkg->ProvidesList != 0) { CacheSetHelperAPTGet helper(c1out); helper.showErrors(false); pkgCache::VerIterator Ver = helper.canNotFindNewestVer(Cache, Pkg); if (Ver.end() == false) Pkg = Ver.ParentPkg(); else if (helper.showVirtualPackageErrors(Cache) == false) return AllowFail; } if (_config->FindB("Debug::BuildDeps",false) == true) { if (Remove == true) cout << " Trying to remove " << Pkg << endl; else cout << " Trying to install " << Pkg << endl; } if (Remove == true) { TryToRemove RemoveAction(Cache, &Fix); RemoveAction(Pkg.VersionList()); } else if (Cache[Pkg].CandidateVer != 0) { TryToInstall InstallAction(Cache, &Fix, BrokenFix); InstallAction(Cache[Pkg].CandidateVerIter(Cache)); InstallAction.doAutoInstall(); } else return AllowFail; return true; } /*}}}*/ // helper that can go wit hthe next ABI break #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13) static std::string MetaIndexFileNameOnDisk(metaIndex *metaindex) { // FIXME: this cast is the horror, the horror debReleaseIndex *r = (debReleaseIndex*)metaindex; // see if we have a InRelease file std::string PathInRelease = r->MetaIndexFile("InRelease"); if (FileExists(PathInRelease)) return PathInRelease; // and if not return the normal one if (FileExists(PathInRelease)) return r->MetaIndexFile("Release"); return ""; } #endif // GetReleaseForSourceRecord - Return Suite for the given srcrecord /*{{{*/ // --------------------------------------------------------------------- /* */ static std::string GetReleaseForSourceRecord(pkgSourceList *SrcList, pkgSrcRecords::Parser *Parse) { // try to find release const pkgIndexFile& CurrentIndexFile = Parse->Index(); for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); ++S) { vector<pkgIndexFile *> *Indexes = (*S)->GetIndexFiles(); for (vector<pkgIndexFile *>::const_iterator IF = Indexes->begin(); IF != Indexes->end(); ++IF) { if (&CurrentIndexFile == (*IF)) { #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13) std::string path = MetaIndexFileNameOnDisk(*S); #else std::string path = (*S)->LocalFileName(); #endif if (path != "") { indexRecords records; records.Load(path); return records.GetSuite(); } } } } return ""; } /*}}}*/ // FindSrc - Find a source record /*{{{*/ // --------------------------------------------------------------------- /* */ static pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs, pkgSrcRecords &SrcRecs,string &Src, CacheFile &CacheFile) { string VerTag, UserRequestedVerTag; string ArchTag = ""; string RelTag = _config->Find("APT::Default-Release"); string TmpSrc = Name; pkgDepCache *Cache = CacheFile.GetDepCache(); // extract release size_t found = TmpSrc.find_last_of("/"); if (found != string::npos) { RelTag = TmpSrc.substr(found+1); TmpSrc = TmpSrc.substr(0,found); } // extract the version found = TmpSrc.find_last_of("="); if (found != string::npos) { VerTag = UserRequestedVerTag = TmpSrc.substr(found+1); TmpSrc = TmpSrc.substr(0,found); } // extract arch found = TmpSrc.find_last_of(":"); if (found != string::npos) { ArchTag = TmpSrc.substr(found+1); TmpSrc = TmpSrc.substr(0,found); } /* Lookup the version of the package we would install if we were to install a version and determine the source package name, then look in the archive for a source package of the same name. */ bool MatchSrcOnly = _config->FindB("APT::Get::Only-Source"); pkgCache::PkgIterator Pkg; if (ArchTag != "") Pkg = Cache->FindPkg(TmpSrc, ArchTag); else Pkg = Cache->FindPkg(TmpSrc); // if we can't find a package but the user qualified with a arch, // error out here if (Pkg.end() && ArchTag != "") { Src = Name; _error->Error(_("Can not find a package for architecture '%s'"), ArchTag.c_str()); return 0; } if (MatchSrcOnly == false && Pkg.end() == false) { if(VerTag != "" || RelTag != "" || ArchTag != "") { bool fuzzy = false; // we have a default release, try to locate the pkg. we do it like // this because GetCandidateVer() will not "downgrade", that means // "apt-get source -t stable apt" won't work on a unstable system for (pkgCache::VerIterator Ver = Pkg.VersionList();; ++Ver) { // try first only exact matches, later fuzzy matches if (Ver.end() == true) { if (fuzzy == true) break; fuzzy = true; Ver = Pkg.VersionList(); // exit right away from the Pkg.VersionList() loop if we // don't have any versions if (Ver.end() == true) break; } // ignore arches that are not for us if (ArchTag != "" && Ver.Arch() != ArchTag) continue; // pick highest version for the arch unless the user wants // something else if (ArchTag != "" && VerTag == "" && RelTag == "") if(Cache->VS().CmpVersion(VerTag, Ver.VerStr()) < 0) VerTag = Ver.VerStr(); // We match against a concrete version (or a part of this version) if (VerTag.empty() == false && (fuzzy == true || Cache->VS().CmpVersion(VerTag, Ver.VerStr()) != 0) && // exact match (fuzzy == false || strncmp(VerTag.c_str(), Ver.VerStr(), VerTag.size()) != 0)) // fuzzy match continue; for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF) { /* If this is the status file, and the current version is not the version in the status file (ie it is not installed, or somesuch) then it is not a candidate for installation, ever. This weeds out bogus entries that may be due to config-file states, or other. */ if ((VF.File()->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver) continue; // or we match against a release if(VerTag.empty() == false || (VF.File().Archive() != 0 && VF.File().Archive() == RelTag) || (VF.File().Codename() != 0 && VF.File().Codename() == RelTag)) { pkgRecords::Parser &Parse = Recs.Lookup(VF); Src = Parse.SourcePkg(); // no SourcePkg name, so it is the "binary" name if (Src.empty() == true) Src = TmpSrc; // the Version we have is possibly fuzzy or includes binUploads, // so we use the Version of the SourcePkg (empty if same as package) VerTag = Parse.SourceVer(); if (VerTag.empty() == true) VerTag = Ver.VerStr(); break; } } if (Src.empty() == false) break; } } if (Src == "" && ArchTag != "") { if (VerTag != "") _error->Error(_("Can not find a package '%s' with version '%s'"), Pkg.FullName().c_str(), VerTag.c_str()); if (RelTag != "") _error->Error(_("Can not find a package '%s' with release '%s'"), Pkg.FullName().c_str(), RelTag.c_str()); Src = Name; return 0; } if (Src.empty() == true) { // if we don't have found a fitting package yet so we will // choose a good candidate and proceed with that. // Maybe we will find a source later on with the right VerTag // or RelTag pkgCache::VerIterator Ver = Cache->GetCandidateVer(Pkg); if (Ver.end() == false) { pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList()); Src = Parse.SourcePkg(); if (VerTag.empty() == true) VerTag = Parse.SourceVer(); } } } if (Src.empty() == true) { Src = TmpSrc; } else { /* if we have a source pkg name, make sure to only search for srcpkg names, otherwise apt gets confused if there is a binary package "pkg1" and a source package "pkg1" with the same name but that comes from different packages */ MatchSrcOnly = true; if (Src != TmpSrc) { ioprintf(c1out, _("Picking '%s' as source package instead of '%s'\n"), Src.c_str(), TmpSrc.c_str()); } } // The best hit pkgSrcRecords::Parser *Last = 0; unsigned long Offset = 0; string Version; pkgSourceList *SrcList = CacheFile.GetSourceList(); /* Iterate over all of the hits, which includes the resulting binary packages in the search */ pkgSrcRecords::Parser *Parse; while (true) { SrcRecs.Restart(); while ((Parse = SrcRecs.Find(Src.c_str(), MatchSrcOnly)) != 0) { const string Ver = Parse->Version(); // See if we need to look for a specific release tag if (RelTag != "" && UserRequestedVerTag == "") { const string Rel = GetReleaseForSourceRecord(SrcList, Parse); if (Rel == RelTag) { Last = Parse; Offset = Parse->Offset(); Version = Ver; } } // Ignore all versions which doesn't fit if (VerTag.empty() == false && Cache->VS().CmpVersion(VerTag, Ver) != 0) // exact match continue; // Newer version or an exact match? Save the hit if (Last == 0 || Cache->VS().CmpVersion(Version,Ver) < 0) { Last = Parse; Offset = Parse->Offset(); Version = Ver; } // was the version check above an exact match? // If so, we don't need to look further if (VerTag.empty() == false && (VerTag == Ver)) break; } if (UserRequestedVerTag == "" && Version != "" && RelTag != "") ioprintf(c1out, "Selected version '%s' (%s) for %s\n", Version.c_str(), RelTag.c_str(), Src.c_str()); if (Last != 0 || VerTag.empty() == true) break; _error->Error(_("Can not find version '%s' of package '%s'"), VerTag.c_str(), TmpSrc.c_str()); return 0; } if (Last == 0 || Last->Jump(Offset) == false) return 0; return Last; } /*}}}*/ /* mark packages as automatically/manually installed. {{{*/ static bool DoMarkAuto(CommandLine &CmdL) { bool Action = true; int AutoMarkChanged = 0; OpTextProgress progress; CacheFile Cache; if (Cache.Open() == false) return false; if (strcasecmp(CmdL.FileList[0],"markauto") == 0) Action = true; else if (strcasecmp(CmdL.FileList[0],"unmarkauto") == 0) Action = false; for (const char **I = CmdL.FileList + 1; *I != 0; I++) { const char *S = *I; // Locate the package pkgCache::PkgIterator Pkg = Cache->FindPkg(S); if (Pkg.end() == true) { return _error->Error(_("Couldn't find package %s"),S); } else { if (!Action) ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.Name()); else ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.Name()); Cache->MarkAuto(Pkg,Action); AutoMarkChanged++; } } _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead.")); if (AutoMarkChanged && ! _config->FindB("APT::Get::Simulate",false)) return Cache->writeStateFile(NULL); return false; } /*}}}*/ // DoDSelectUpgrade - Do an upgrade by following dselects selections /*{{{*/ // --------------------------------------------------------------------- /* Follows dselect's selections */ static bool DoDSelectUpgrade(CommandLine &) { CacheFile Cache; if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false) return false; pkgDepCache::ActionGroup group(Cache); // Install everything with the install flag set pkgCache::PkgIterator I = Cache->PkgBegin(); for (;I.end() != true; ++I) { /* Install the package only if it is a new install, the autoupgrader will deal with the rest */ if (I->SelectedState == pkgCache::State::Install) Cache->MarkInstall(I,false); } /* Now install their deps too, if we do this above then order of the status file is significant for | groups */ for (I = Cache->PkgBegin();I.end() != true; ++I) { /* Install the package only if it is a new install, the autoupgrader will deal with the rest */ if (I->SelectedState == pkgCache::State::Install) Cache->MarkInstall(I,true); } // Apply erasures now, they override everything else. for (I = Cache->PkgBegin();I.end() != true; ++I) { // Remove packages if (I->SelectedState == pkgCache::State::DeInstall || I->SelectedState == pkgCache::State::Purge) Cache->MarkDelete(I,I->SelectedState == pkgCache::State::Purge); } /* Resolve any problems that dselect created, allupgrade cannot handle such things. We do so quite aggressively too.. */ if (Cache->BrokenCount() != 0) { pkgProblemResolver Fix(Cache); // Hold back held packages. if (_config->FindB("APT::Ignore-Hold",false) == false) { for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() == false; ++I) { if (I->SelectedState == pkgCache::State::Hold) { Fix.Protect(I); Cache->MarkKeep(I); } } } if (Fix.Resolve() == false) { ShowBroken(c1out,Cache,false); return _error->Error(_("Internal error, problem resolver broke stuff")); } } // Now upgrade everything if (pkgAllUpgrade(Cache) == false) { ShowBroken(c1out,Cache,false); return _error->Error(_("Internal error, problem resolver broke stuff")); } return InstallPackages(Cache,false); } /*}}}*/ // DoClean - Remove download archives /*{{{*/ // --------------------------------------------------------------------- /* */ static bool DoClean(CommandLine &) { std::string const archivedir = _config->FindDir("Dir::Cache::archives"); std::string const pkgcache = _config->FindFile("Dir::cache::pkgcache"); std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache"); if (_config->FindB("APT::Get::Simulate") == true) { cout << "Del " << archivedir << "* " << archivedir << "partial/*"<< endl << "Del " << pkgcache << " " << srcpkgcache << endl; return true; } // Lock the archive directory FileFd Lock; if (_config->FindB("Debug::NoLocking",false) == false) { int lock_fd = GetLock(archivedir + "lock"); if (lock_fd < 0) return _error->Error(_("Unable to lock the download directory")); Lock.Fd(lock_fd); } pkgAcquire Fetcher; Fetcher.Clean(archivedir); Fetcher.Clean(archivedir + "partial/"); pkgCacheFile::RemoveCaches(); return true; } /*}}}*/ // DoAutoClean - Smartly remove downloaded archives /*{{{*/ // --------------------------------------------------------------------- /* This is similar to clean but it only purges things that cannot be downloaded, that is old versions of cached packages. */ class LogCleaner : public pkgArchiveCleaner { protected: virtual void Erase(const char *File,string Pkg,string Ver,struct stat &St) { c1out << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "B]" << endl; if (_config->FindB("APT::Get::Simulate") == false) unlink(File); }; }; static bool DoAutoClean(CommandLine &) { // Lock the archive directory FileFd Lock; if (_config->FindB("Debug::NoLocking",false) == false) { int lock_fd = GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"); if (lock_fd < 0) return _error->Error(_("Unable to lock the download directory")); Lock.Fd(lock_fd); } CacheFile Cache; if (Cache.Open() == false) return false; LogCleaner Cleaner; return Cleaner.Go(_config->FindDir("Dir::Cache::archives"),*Cache) && Cleaner.Go(_config->FindDir("Dir::Cache::archives") + "partial/",*Cache); } /*}}}*/ // DoDownload - download a binary /*{{{*/ // --------------------------------------------------------------------- static bool DoDownload(CommandLine &CmdL) { CacheFile Cache; if (Cache.ReadOnlyOpen() == false) return false; APT::CacheSetHelper helper(c0out); APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache, CmdL.FileList + 1, APT::VersionSet::CANDIDATE, helper); if (verset.empty() == true) return false; AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet", 0)); pkgAcquire Fetcher; if (Fetcher.Setup(&Stat) == false) return false; pkgRecords Recs(Cache); pkgSourceList *SrcList = Cache.GetSourceList(); // reuse the usual acquire methods for deb files, but don't drop them into // the usual directories - keep everything in the current directory std::vector<std::string> storefile(verset.size()); std::string const cwd = SafeGetCWD(); _config->Set("Dir::Cache::Archives", cwd); int i = 0; for (APT::VersionSet::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver, ++i) { pkgAcquire::Item *I = new pkgAcqArchive(&Fetcher, SrcList, &Recs, *Ver, storefile[i]); std::string const filename = cwd + flNotDir(storefile[i]); storefile[i].assign(filename); I->DestFile.assign(filename); } // Just print out the uris and exit if the --print-uris flag was used if (_config->FindB("APT::Get::Print-URIs") == true) { pkgAcquire::UriIterator I = Fetcher.UriBegin(); for (; I != Fetcher.UriEnd(); ++I) cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl; return true; } if (_error->PendingError() == true || CheckAuth(Fetcher, false) == false) return false; bool Failed = false; if (AcquireRun(Fetcher, 0, &Failed, NULL) == false) return false; // copy files in local sources to the current directory for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I) { std::string const filename = cwd + flNotDir((*I)->DestFile); if ((*I)->Local == true && filename != (*I)->DestFile && (*I)->Status == pkgAcquire::Item::StatDone) { std::ifstream src((*I)->DestFile.c_str(), std::ios::binary); std::ofstream dst(filename.c_str(), std::ios::binary); dst << src.rdbuf(); } } return Failed == false; } /*}}}*/ // DoCheck - Perform the check operation /*{{{*/ // --------------------------------------------------------------------- /* Opening automatically checks the system, this command is mostly used for debugging */ static bool DoCheck(CommandLine &) { CacheFile Cache; Cache.Open(); Cache.CheckDeps(); return true; } /*}}}*/ // DoSource - Fetch a source archive /*{{{*/ // --------------------------------------------------------------------- /* Fetch souce packages */ struct DscFile { string Package; string Version; string Dsc; }; static bool DoSource(CommandLine &CmdL) { CacheFile Cache; if (Cache.Open(false) == false) return false; if (CmdL.FileSize() <= 1) return _error->Error(_("Must specify at least one package to fetch source for")); // Read the source list if (Cache.BuildSourceList() == false) return false; pkgSourceList *List = Cache.GetSourceList(); // Create the text record parsers pkgRecords Recs(Cache); pkgSrcRecords SrcRecs(*List); if (_error->PendingError() == true) return false; // Create the download object AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0)); pkgAcquire Fetcher; Fetcher.SetLog(&Stat); SPtrArray<DscFile> Dsc = new DscFile[CmdL.FileSize()]; // insert all downloaded uris into this set to avoid downloading them // twice set<string> queued; // Diff only mode only fetches .diff files bool const diffOnly = _config->FindB("APT::Get::Diff-Only", false); // Tar only mode only fetches .tar files bool const tarOnly = _config->FindB("APT::Get::Tar-Only", false); // Dsc only mode only fetches .dsc files bool const dscOnly = _config->FindB("APT::Get::Dsc-Only", false); // Load the requestd sources into the fetcher unsigned J = 0; for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++) { string Src; pkgSrcRecords::Parser *Last = FindSrc(*I,Recs,SrcRecs,Src,Cache); if (Last == 0) { return _error->Error(_("Unable to find a source package for %s"),Src.c_str()); } string srec = Last->AsStr(); string::size_type pos = srec.find("\nVcs-"); while (pos != string::npos) { pos += strlen("\nVcs-"); string vcs = srec.substr(pos,srec.find(":",pos)-pos); if(vcs == "Browser") { pos = srec.find("\nVcs-", pos); continue; } pos += vcs.length()+2; string::size_type epos = srec.find("\n", pos); string uri = srec.substr(pos,epos-pos).c_str(); ioprintf(c1out, _("NOTICE: '%s' packaging is maintained in " "the '%s' version control system at:\n" "%s\n"), Src.c_str(), vcs.c_str(), uri.c_str()); if(vcs == "Bzr") ioprintf(c1out,_("Please use:\n" "bzr branch %s\n" "to retrieve the latest (possibly unreleased) " "updates to the package.\n"), uri.c_str()); break; } // Back track vector<pkgSrcRecords::File> Lst; if (Last->Files(Lst) == false) { return false; } // Load them into the fetcher for (vector<pkgSrcRecords::File>::const_iterator I = Lst.begin(); I != Lst.end(); ++I) { // Try to guess what sort of file it is we are getting. if (I->Type == "dsc") { Dsc[J].Package = Last->Package(); Dsc[J].Version = Last->Version(); Dsc[J].Dsc = flNotDir(I->Path); } // Handle the only options so that multiple can be used at once if (diffOnly == true || tarOnly == true || dscOnly == true) { if ((diffOnly == true && I->Type == "diff") || (tarOnly == true && I->Type == "tar") || (dscOnly == true && I->Type == "dsc")) ; // Fine, we want this file downloaded else continue; } // don't download the same uri twice (should this be moved to // the fetcher interface itself?) if(queued.find(Last->Index().ArchiveURI(I->Path)) != queued.end()) continue; queued.insert(Last->Index().ArchiveURI(I->Path)); // check if we have a file with that md5 sum already localy if(!I->MD5Hash.empty() && FileExists(flNotDir(I->Path))) { FileFd Fd(flNotDir(I->Path), FileFd::ReadOnly); MD5Summation sum; sum.AddFD(Fd.Fd(), Fd.Size()); Fd.Close(); if((string)sum.Result() == I->MD5Hash) { ioprintf(c1out,_("Skipping already downloaded file '%s'\n"), flNotDir(I->Path).c_str()); continue; } } new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path), I->MD5Hash,I->Size, Last->Index().SourceInfo(*Last,*I),Src); } } // Display statistics unsigned long long FetchBytes = Fetcher.FetchNeeded(); unsigned long long FetchPBytes = Fetcher.PartialPresent(); unsigned long long DebBytes = Fetcher.TotalNeeded(); // Check for enough free space struct statvfs Buf; string OutputDir = "."; if (statvfs(OutputDir.c_str(),&Buf) != 0) { if (errno == EOVERFLOW) return _error->WarningE("statvfs",_("Couldn't determine free space in %s"), OutputDir.c_str()); else return _error->Errno("statvfs",_("Couldn't determine free space in %s"), OutputDir.c_str()); } else if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize) { struct statfs Stat; if (statfs(OutputDir.c_str(),&Stat) != 0 #if HAVE_STRUCT_STATFS_F_TYPE || unsigned(Stat.f_type) != RAMFS_MAGIC #endif ) { return _error->Error(_("You don't have enough free space in %s"), OutputDir.c_str()); } } // Number of bytes if (DebBytes != FetchBytes) //TRANSLATOR: The required space between number and unit is already included // in the replacement strings, so %sB will be correctly translate in e.g. 1,5 MB ioprintf(c1out,_("Need to get %sB/%sB of source archives.\n"), SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str()); else //TRANSLATOR: The required space between number and unit is already included // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB ioprintf(c1out,_("Need to get %sB of source archives.\n"), SizeToStr(DebBytes).c_str()); if (_config->FindB("APT::Get::Simulate",false) == true) { for (unsigned I = 0; I != J; I++) ioprintf(cout,_("Fetch source %s\n"),Dsc[I].Package.c_str()); return true; } // Just print out the uris an exit if the --print-uris flag was used if (_config->FindB("APT::Get::Print-URIs") == true) { pkgAcquire::UriIterator I = Fetcher.UriBegin(); for (; I != Fetcher.UriEnd(); ++I) cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl; return true; } // Run it bool Failed = false; if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true) { return _error->Error(_("Failed to fetch some archives.")); } if (_config->FindB("APT::Get::Download-only",false) == true) { c1out << _("Download complete and in download only mode") << endl; return true; } // Unpack the sources pid_t Process = ExecFork(); if (Process == 0) { bool const fixBroken = _config->FindB("APT::Get::Fix-Broken", false); for (unsigned I = 0; I != J; ++I) { string Dir = Dsc[I].Package + '-' + Cache->VS().UpstreamVersion(Dsc[I].Version.c_str()); // Diff only mode only fetches .diff files if (_config->FindB("APT::Get::Diff-Only",false) == true || _config->FindB("APT::Get::Tar-Only",false) == true || Dsc[I].Dsc.empty() == true) continue; // See if the package is already unpacked struct stat Stat; if (fixBroken == false && stat(Dir.c_str(),&Stat) == 0 && S_ISDIR(Stat.st_mode) != 0) { ioprintf(c0out ,_("Skipping unpack of already unpacked source in %s\n"), Dir.c_str()); } else { // Call dpkg-source char S[500]; snprintf(S,sizeof(S),"%s -x %s", _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(), Dsc[I].Dsc.c_str()); if (system(S) != 0) { fprintf(stderr,_("Unpack command '%s' failed.\n"),S); fprintf(stderr,_("Check if the 'dpkg-dev' package is installed.\n")); _exit(1); } } // Try to compile it with dpkg-buildpackage if (_config->FindB("APT::Get::Compile",false) == true) { string buildopts = _config->Find("APT::Get::Host-Architecture"); if (buildopts.empty() == false) buildopts = "-a" + buildopts + " "; // get all active build profiles std::string const profiles = APT::Configuration::getBuildProfilesString(); if (profiles.empty() == false) buildopts.append(" -P").append(profiles).append(" "); buildopts.append(_config->Find("DPkg::Build-Options","-b -uc")); // Call dpkg-buildpackage char S[500]; snprintf(S,sizeof(S),"cd %s && %s %s", Dir.c_str(), _config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(), buildopts.c_str()); if (system(S) != 0) { fprintf(stderr,_("Build command '%s' failed.\n"),S); _exit(1); } } } _exit(0); } // Wait for the subprocess int Status = 0; while (waitpid(Process,&Status,0) != Process) { if (errno == EINTR) continue; return _error->Errno("waitpid","Couldn't wait for subprocess"); } if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0) return _error->Error(_("Child process failed")); return true; } /*}}}*/ // DoBuildDep - Install/removes packages to satisfy build dependencies /*{{{*/ // --------------------------------------------------------------------- /* This function will look at the build depends list of the given source package and install the necessary packages to make it true, or fail. */ static bool DoBuildDep(CommandLine &CmdL) { CacheFile Cache; _config->Set("APT::Install-Recommends", false); if (Cache.Open(true) == false) return false; if (CmdL.FileSize() <= 1) return _error->Error(_("Must specify at least one package to check builddeps for")); // Read the source list if (Cache.BuildSourceList() == false) return false; pkgSourceList *List = Cache.GetSourceList(); // Create the text record parsers pkgRecords Recs(Cache); pkgSrcRecords SrcRecs(*List); if (_error->PendingError() == true) return false; // Create the download object AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0)); pkgAcquire Fetcher; if (Fetcher.Setup(&Stat) == false) return false; bool StripMultiArch; string hostArch = _config->Find("APT::Get::Host-Architecture"); if (hostArch.empty() == false) { std::vector<std::string> archs = APT::Configuration::getArchitectures(); if (std::find(archs.begin(), archs.end(), hostArch) == archs.end()) return _error->Error(_("No architecture information available for %s. See apt.conf(5) APT::Architectures for setup"), hostArch.c_str()); StripMultiArch = false; } else StripMultiArch = true; unsigned J = 0; for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++) { string Src; pkgSrcRecords::Parser *Last = FindSrc(*I,Recs,SrcRecs,Src,Cache); if (Last == 0) return _error->Error(_("Unable to find a source package for %s"),Src.c_str()); // Process the build-dependencies vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps; // FIXME: Can't specify architecture to use for [wildcard] matching, so switch default arch temporary if (hostArch.empty() == false) { std::string nativeArch = _config->Find("APT::Architecture"); _config->Set("APT::Architecture", hostArch); bool Success = Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only", false), StripMultiArch); _config->Set("APT::Architecture", nativeArch); if (Success == false) return _error->Error(_("Unable to get build-dependency information for %s"),Src.c_str()); } else if (Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only", false), StripMultiArch) == false) return _error->Error(_("Unable to get build-dependency information for %s"),Src.c_str()); // Also ensure that build-essential packages are present Configuration::Item const *Opts = _config->Tree("APT::Build-Essential"); if (Opts) Opts = Opts->Child; for (; Opts; Opts = Opts->Next) { if (Opts->Value.empty() == true) continue; pkgSrcRecords::Parser::BuildDepRec rec; rec.Package = Opts->Value; rec.Type = pkgSrcRecords::Parser::BuildDependIndep; rec.Op = 0; BuildDeps.push_back(rec); } if (BuildDeps.empty() == true) { ioprintf(c1out,_("%s has no build depends.\n"),Src.c_str()); continue; } // Install the requested packages vector <pkgSrcRecords::Parser::BuildDepRec>::iterator D; pkgProblemResolver Fix(Cache); bool skipAlternatives = false; // skip remaining alternatives in an or group for (D = BuildDeps.begin(); D != BuildDeps.end(); ++D) { bool hasAlternatives = (((*D).Op & pkgCache::Dep::Or) == pkgCache::Dep::Or); if (skipAlternatives == true) { /* * if there are alternatives, we've already picked one, so skip * the rest * * TODO: this means that if there's a build-dep on A|B and B is * installed, we'll still try to install A; more importantly, * if A is currently broken, we cannot go back and try B. To fix * this would require we do a Resolve cycle for each package we * add to the install list. Ugh */ if (!hasAlternatives) skipAlternatives = false; // end of or group continue; } if ((*D).Type == pkgSrcRecords::Parser::BuildConflict || (*D).Type == pkgSrcRecords::Parser::BuildConflictIndep) { pkgCache::GrpIterator Grp = Cache->FindGrp((*D).Package); // Build-conflicts on unknown packages are silently ignored if (Grp.end() == true) continue; for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg)) { pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache); /* * Remove if we have an installed version that satisfies the * version criteria */ if (IV.end() == false && Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true) TryToInstallBuildDep(Pkg,Cache,Fix,true,false); } } else // BuildDep || BuildDepIndep { if (_config->FindB("Debug::BuildDeps",false) == true) cout << "Looking for " << (*D).Package << "...\n"; pkgCache::PkgIterator Pkg; // Cross-Building? if (StripMultiArch == false && D->Type != pkgSrcRecords::Parser::BuildDependIndep) { size_t const colon = D->Package.find(":"); if (colon != string::npos) { if (strcmp(D->Package.c_str() + colon, ":any") == 0 || strcmp(D->Package.c_str() + colon, ":native") == 0) Pkg = Cache->FindPkg(D->Package.substr(0,colon)); else Pkg = Cache->FindPkg(D->Package); } else Pkg = Cache->FindPkg(D->Package, hostArch); // a bad version either is invalid or doesn't satify dependency #define BADVER(Ver) (Ver.end() == true || \ (D->Version.empty() == false && \ Cache->VS().CheckDep(Ver.VerStr(),D->Op,D->Version.c_str()) == false)) APT::VersionList verlist; if (Pkg.end() == false) { pkgCache::VerIterator Ver = (*Cache)[Pkg].InstVerIter(*Cache); if (BADVER(Ver) == false) verlist.insert(Ver); Ver = (*Cache)[Pkg].CandidateVerIter(*Cache); if (BADVER(Ver) == false) verlist.insert(Ver); } if (verlist.empty() == true) { pkgCache::PkgIterator BuildPkg = Cache->FindPkg(D->Package, "native"); if (BuildPkg.end() == false && Pkg != BuildPkg) { pkgCache::VerIterator Ver = (*Cache)[BuildPkg].InstVerIter(*Cache); if (BADVER(Ver) == false) verlist.insert(Ver); Ver = (*Cache)[BuildPkg].CandidateVerIter(*Cache); if (BADVER(Ver) == false) verlist.insert(Ver); } } #undef BADVER string forbidden; // We need to decide if host or build arch, so find a version we can look at APT::VersionList::const_iterator Ver = verlist.begin(); for (; Ver != verlist.end(); ++Ver) { forbidden.clear(); if (Ver->MultiArch == pkgCache::Version::None || Ver->MultiArch == pkgCache::Version::All) { if (colon == string::npos) Pkg = Ver.ParentPkg().Group().FindPkg(hostArch); else if (strcmp(D->Package.c_str() + colon, ":any") == 0) forbidden = "Multi-Arch: none"; else if (strcmp(D->Package.c_str() + colon, ":native") == 0) Pkg = Ver.ParentPkg().Group().FindPkg("native"); } else if (Ver->MultiArch == pkgCache::Version::Same) { if (colon == string::npos) Pkg = Ver.ParentPkg().Group().FindPkg(hostArch); else if (strcmp(D->Package.c_str() + colon, ":any") == 0) forbidden = "Multi-Arch: same"; else if (strcmp(D->Package.c_str() + colon, ":native") == 0) Pkg = Ver.ParentPkg().Group().FindPkg("native"); } else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign) { if (colon == string::npos) Pkg = Ver.ParentPkg().Group().FindPkg("native"); else if (strcmp(D->Package.c_str() + colon, ":any") == 0 || strcmp(D->Package.c_str() + colon, ":native") == 0) forbidden = "Multi-Arch: foreign"; } else if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed) { if (colon == string::npos) Pkg = Ver.ParentPkg().Group().FindPkg(hostArch); else if (strcmp(D->Package.c_str() + colon, ":any") == 0) { // prefer any installed over preferred non-installed architectures pkgCache::GrpIterator Grp = Ver.ParentPkg().Group(); // we don't check for version here as we are better of with upgrading than remove and install for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg)) if (Pkg.CurrentVer().end() == false) break; if (Pkg.end() == true) Pkg = Grp.FindPreferredPkg(true); } else if (strcmp(D->Package.c_str() + colon, ":native") == 0) Pkg = Ver.ParentPkg().Group().FindPkg("native"); } if (forbidden.empty() == false) { if (_config->FindB("Debug::BuildDeps",false) == true) cout << D->Package.substr(colon, string::npos) << " is not allowed from " << forbidden << " package " << (*D).Package << " (" << Ver.VerStr() << ")" << endl; continue; } //we found a good version break; } if (Ver == verlist.end()) { if (_config->FindB("Debug::BuildDeps",false) == true) cout << " No multiarch info as we have no satisfying installed nor candidate for " << D->Package << " on build or host arch" << endl; if (forbidden.empty() == false) { if (hasAlternatives) continue; return _error->Error(_("%s dependency for %s can't be satisfied " "because %s is not allowed on '%s' packages"), Last->BuildDepType(D->Type), Src.c_str(), D->Package.c_str(), forbidden.c_str()); } } } else Pkg = Cache->FindPkg(D->Package); if (Pkg.end() == true || (Pkg->VersionList == 0 && Pkg->ProvidesList == 0)) { if (_config->FindB("Debug::BuildDeps",false) == true) cout << " (not found)" << (*D).Package << endl; if (hasAlternatives) continue; return _error->Error(_("%s dependency for %s cannot be satisfied " "because the package %s cannot be found"), Last->BuildDepType((*D).Type),Src.c_str(), (*D).Package.c_str()); } pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache); if (IV.end() == false) { if (_config->FindB("Debug::BuildDeps",false) == true) cout << " Is installed\n"; if (D->Version.empty() == true || Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true) { skipAlternatives = hasAlternatives; continue; } if (_config->FindB("Debug::BuildDeps",false) == true) cout << " ...but the installed version doesn't meet the version requirement\n"; if (((*D).Op & pkgCache::Dep::LessEq) == pkgCache::Dep::LessEq) return _error->Error(_("Failed to satisfy %s dependency for %s: Installed package %s is too new"), Last->BuildDepType((*D).Type), Src.c_str(), Pkg.FullName(true).c_str()); } // Only consider virtual packages if there is no versioned dependency if ((*D).Version.empty() == true) { /* * If this is a virtual package, we need to check the list of * packages that provide it and see if any of those are * installed */ pkgCache::PrvIterator Prv = Pkg.ProvidesList(); for (; Prv.end() != true; ++Prv) { if (_config->FindB("Debug::BuildDeps",false) == true) cout << " Checking provider " << Prv.OwnerPkg().FullName() << endl; if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false) break; } if (Prv.end() == false) { if (_config->FindB("Debug::BuildDeps",false) == true) cout << " Is provided by installed package " << Prv.OwnerPkg().FullName() << endl; skipAlternatives = hasAlternatives; continue; } } else // versioned dependency { pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache); if (CV.end() == true || Cache->VS().CheckDep(CV.VerStr(),(*D).Op,(*D).Version.c_str()) == false) { if (hasAlternatives) continue; else if (CV.end() == false) return _error->Error(_("%s dependency for %s cannot be satisfied " "because candidate version of package %s " "can't satisfy version requirements"), Last->BuildDepType(D->Type), Src.c_str(), D->Package.c_str()); else return _error->Error(_("%s dependency for %s cannot be satisfied " "because package %s has no candidate version"), Last->BuildDepType(D->Type), Src.c_str(), D->Package.c_str()); } } if (TryToInstallBuildDep(Pkg,Cache,Fix,false,false,false) == true) { // We successfully installed something; skip remaining alternatives skipAlternatives = hasAlternatives; if(_config->FindB("APT::Get::Build-Dep-Automatic", false) == true) Cache->MarkAuto(Pkg, true); continue; } else if (hasAlternatives) { if (_config->FindB("Debug::BuildDeps",false) == true) cout << " Unsatisfiable, trying alternatives\n"; continue; } else { return _error->Error(_("Failed to satisfy %s dependency for %s: %s"), Last->BuildDepType((*D).Type), Src.c_str(), (*D).Package.c_str()); } } } if (Fix.Resolve(true) == false) _error->Discard(); // Now we check the state of the packages, if (Cache->BrokenCount() != 0) { ShowBroken(cout, Cache, false); return _error->Error(_("Build-dependencies for %s could not be satisfied."),*I); } } if (InstallPackages(Cache, false, true) == false) return _error->Error(_("Failed to process build dependencies")); return true; } /*}}}*/ // GetChangelogPath - return a path pointing to a changelog file or dir /*{{{*/ // --------------------------------------------------------------------- /* This returns a "path" string for the changelog url construction. * Please note that its not complete, it either needs a "/changelog" * appended (for the packages.debian.org/changelogs site) or a * ".changelog" (for third party sites that store the changelog in the * pool/ next to the deb itself) * Example return: "pool/main/a/apt/apt_0.8.8ubuntu3" */ static string GetChangelogPath(CacheFile &Cache, pkgCache::PkgIterator Pkg, pkgCache::VerIterator Ver) { string path; pkgRecords Recs(Cache); pkgRecords::Parser &rec=Recs.Lookup(Ver.FileList()); string srcpkg = rec.SourcePkg().empty() ? Pkg.Name() : rec.SourcePkg(); string ver = Ver.VerStr(); // if there is a source version it always wins if (rec.SourceVer() != "") ver = rec.SourceVer(); path = flNotFile(rec.FileName()); path += srcpkg + "_" + StripEpoch(ver); return path; } /*}}}*/ // GuessThirdPartyChangelogUri - return url /*{{{*/ // --------------------------------------------------------------------- /* Contruct a changelog file path for third party sites that do not use * packages.debian.org/changelogs * This simply uses the ArchiveURI() of the source pkg and looks for * a .changelog file there, Example for "mediabuntu": * apt-get changelog mplayer-doc: * http://packages.medibuntu.org/pool/non-free/m/mplayer/mplayer_1.0~rc4~try1.dsfg1-1ubuntu1+medibuntu1.changelog */ static bool GuessThirdPartyChangelogUri(CacheFile &Cache, pkgCache::PkgIterator Pkg, pkgCache::VerIterator Ver, string &out_uri) { // get the binary deb server path pkgCache::VerFileIterator Vf = Ver.FileList(); if (Vf.end() == true) return false; pkgCache::PkgFileIterator F = Vf.File(); pkgIndexFile *index; pkgSourceList *SrcList = Cache.GetSourceList(); if(SrcList->FindIndex(F, index) == false) return false; // get archive uri for the binary deb string path_without_dot_changelog = GetChangelogPath(Cache, Pkg, Ver); out_uri = index->ArchiveURI(path_without_dot_changelog + ".changelog"); // now strip away the filename and add srcpkg_srcver.changelog return true; } /*}}}*/ // DownloadChangelog - Download the changelog /*{{{*/ // --------------------------------------------------------------------- static bool DownloadChangelog(CacheFile &CacheFile, pkgAcquire &Fetcher, pkgCache::VerIterator Ver, string targetfile) /* Download a changelog file for the given package version to * targetfile. This will first try the server from Apt::Changelogs::Server * (http://packages.debian.org/changelogs by default) and if that gives * a 404 tries to get it from the archive directly (see * GuessThirdPartyChangelogUri for details how) */ { string path; string descr; string server; string changelog_uri; // data structures we need pkgCache::PkgIterator Pkg = Ver.ParentPkg(); // make the server root configurable server = _config->Find("Apt::Changelogs::Server", "http://packages.debian.org/changelogs"); path = GetChangelogPath(CacheFile, Pkg, Ver); strprintf(changelog_uri, "%s/%s/changelog", server.c_str(), path.c_str()); if (_config->FindB("APT::Get::Print-URIs", false) == true) { std::cout << '\'' << changelog_uri << '\'' << std::endl; return true; } strprintf(descr, _("Changelog for %s (%s)"), Pkg.Name(), changelog_uri.c_str()); // queue it new pkgAcqFile(&Fetcher, changelog_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile); // try downloading it, if that fails, try third-party-changelogs location // FIXME: Fetcher.Run() is "Continue" even if I get a 404?!? Fetcher.Run(); if (!FileExists(targetfile)) { string third_party_uri; if (GuessThirdPartyChangelogUri(CacheFile, Pkg, Ver, third_party_uri)) { strprintf(descr, _("Changelog for %s (%s)"), Pkg.Name(), third_party_uri.c_str()); new pkgAcqFile(&Fetcher, third_party_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile); Fetcher.Run(); } } if (FileExists(targetfile)) return true; // error return _error->Error("changelog download failed"); } /*}}}*/ // DoChangelog - Get changelog from the command line /*{{{*/ // --------------------------------------------------------------------- static bool DoChangelog(CommandLine &CmdL) { CacheFile Cache; if (Cache.ReadOnlyOpen() == false) return false; APT::CacheSetHelper helper(c0out); APT::VersionList verset = APT::VersionList::FromCommandLine(Cache, CmdL.FileList + 1, APT::VersionList::CANDIDATE, helper); if (verset.empty() == true) return false; pkgAcquire Fetcher; if (_config->FindB("APT::Get::Print-URIs", false) == true) { bool Success = true; for (APT::VersionList::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver) Success &= DownloadChangelog(Cache, Fetcher, Ver, ""); return Success; } AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0)); Fetcher.Setup(&Stat); bool const downOnly = _config->FindB("APT::Get::Download-Only", false); char tmpname[100]; const char* tmpdir = NULL; if (downOnly == false) { std::string systemTemp = GetTempDir(); snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str()); tmpdir = mkdtemp(tmpname); if (tmpdir == NULL) return _error->Errno("mkdtemp", "mkdtemp failed"); } for (APT::VersionList::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver) { string changelogfile; if (downOnly == false) changelogfile.append(tmpname).append("changelog"); else changelogfile.append(Ver.ParentPkg().Name()).append(".changelog"); if (DownloadChangelog(Cache, Fetcher, Ver, changelogfile) && downOnly == false) { DisplayFileInPager(changelogfile); // cleanup temp file unlink(changelogfile.c_str()); } } // clenaup tmp dir if (tmpdir != NULL) rmdir(tmpdir); return true; } /*}}}*/ // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ static bool ShowHelp(CommandLine &) { ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION, COMMON_ARCH,__DATE__,__TIME__); if (_config->FindB("version") == true) { cout << _("Supported modules:") << endl; for (unsigned I = 0; I != pkgVersioningSystem::GlobalListLen; I++) { pkgVersioningSystem *VS = pkgVersioningSystem::GlobalList[I]; if (_system != 0 && _system->VS == VS) cout << '*'; else cout << ' '; cout << "Ver: " << VS->Label << endl; /* Print out all the packaging systems that will work with this VS */ for (unsigned J = 0; J != pkgSystem::GlobalListLen; J++) { pkgSystem *Sys = pkgSystem::GlobalList[J]; if (_system == Sys) cout << '*'; else cout << ' '; if (Sys->VS->TestCompatibility(*VS) == true) cout << "Pkg: " << Sys->Label << " (Priority " << Sys->Score(*_config) << ")" << endl; } } for (unsigned I = 0; I != pkgSourceList::Type::GlobalListLen; I++) { pkgSourceList::Type *Type = pkgSourceList::Type::GlobalList[I]; cout << " S.L: '" << Type->Name << "' " << Type->Label << endl; } for (unsigned I = 0; I != pkgIndexFile::Type::GlobalListLen; I++) { pkgIndexFile::Type *Type = pkgIndexFile::Type::GlobalList[I]; cout << " Idx: " << Type->Label << endl; } return true; } cout << _("Usage: apt-get [options] command\n" " apt-get [options] install|remove pkg1 [pkg2 ...]\n" " apt-get [options] source pkg1 [pkg2 ...]\n" "\n" "apt-get is a simple command line interface for downloading and\n" "installing packages. The most frequently used commands are update\n" "and install.\n" "\n" "Commands:\n" " update - Retrieve new lists of packages\n" " upgrade - Perform an upgrade\n" " install - Install new packages (pkg is libc6 not libc6.deb)\n" " remove - Remove packages\n" " autoremove - Remove automatically all unused packages\n" " purge - Remove packages and config files\n" " source - Download source archives\n" " build-dep - Configure build-dependencies for source packages\n" " dist-upgrade - Distribution upgrade, see apt-get(8)\n" " dselect-upgrade - Follow dselect selections\n" " clean - Erase downloaded archive files\n" " autoclean - Erase old downloaded archive files\n" " check - Verify that there are no broken dependencies\n" " changelog - Download and display the changelog for the given package\n" " download - Download the binary package into the current directory\n" "\n" "Options:\n" " -h This help text.\n" " -q Loggable output - no progress indicator\n" " -qq No output except for errors\n" " -d Download only - do NOT install or unpack archives\n" " -s No-act. Perform ordering simulation\n" " -y Assume Yes to all queries and do not prompt\n" " -f Attempt to correct a system with broken dependencies in place\n" " -m Attempt to continue if archives are unlocatable\n" " -u Show a list of upgraded packages as well\n" " -b Build the source package after fetching it\n" " -V Show verbose version numbers\n" " -c=? Read this configuration file\n" " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n" "See the apt-get(8), sources.list(5) and apt.conf(5) manual\n" "pages for more information and options.\n" " This APT has Super Cow Powers.\n"); return true; } /*}}}*/ int main(int argc,const char *argv[]) /*{{{*/ { CommandLine::Dispatch Cmds[] = {{"update",&DoUpdate}, {"upgrade",&DoUpgrade}, {"install",&DoInstall}, {"remove",&DoInstall}, {"purge",&DoInstall}, {"autoremove",&DoInstall}, {"markauto",&DoMarkAuto}, {"unmarkauto",&DoMarkAuto}, {"dist-upgrade",&DoDistUpgrade}, {"dselect-upgrade",&DoDSelectUpgrade}, {"build-dep",&DoBuildDep}, {"clean",&DoClean}, {"autoclean",&DoAutoClean}, {"check",&DoCheck}, {"source",&DoSource}, {"download",&DoDownload}, {"changelog",&DoChangelog}, {"moo",&DoMoo}, {"help",&ShowHelp}, {0,0}}; std::vector<CommandLine::Args> Args = getCommandArgs("apt-get", CommandLine::GetCommand(Cmds, argc, argv)); // Set up gettext support setlocale(LC_ALL,""); textdomain(PACKAGE); // Parse the command line and initialize the package library CommandLine CmdL(Args.data(),_config); if (pkgInitConfig(*_config) == false || CmdL.Parse(argc,argv) == false || pkgInitSystem(*_config,_system) == false) { if (_config->FindB("version") == true) ShowHelp(CmdL); _error->DumpErrors(); return 100; } // See if the help should be shown if (_config->FindB("help") == true || _config->FindB("version") == true || CmdL.FileSize() == 0) { ShowHelp(CmdL); return 0; } // see if we are in simulate mode CheckSimulateMode(CmdL); // Init the signals InitSignals(); // Setup the output streams InitOutput(); // Match the operation CmdL.DispatchArg(Cmds); // Print any errors or warnings found during parsing bool const Errors = _error->PendingError(); if (_config->FindI("quiet",0) > 0) _error->DumpErrors(); else _error->DumpErrors(GlobalError::DEBUG); return Errors == true ? 100 : 0; } /*}}}*/