diff options
Diffstat (limited to 'apt-private/private-source.cc')
| -rw-r--r-- | apt-private/private-source.cc | 1028 |
1 files changed, 1028 insertions, 0 deletions
diff --git a/apt-private/private-source.cc b/apt-private/private-source.cc new file mode 100644 index 000000000..c7e5e4257 --- /dev/null +++ b/apt-private/private-source.cc @@ -0,0 +1,1028 @@ +// Include Files /*{{{*/ +#include <config.h> + +#include <apt-pkg/acquire-item.h> +#include <apt-pkg/acquire.h> +#include <apt-pkg/algorithms.h> +#include <apt-pkg/aptconfiguration.h> +#include <apt-pkg/cachefile.h> +#include <apt-pkg/cacheiterators.h> +#include <apt-pkg/cacheset.h> +#include <apt-pkg/cmndline.h> +#include <apt-pkg/configuration.h> +#include <apt-pkg/depcache.h> +#include <apt-pkg/error.h> +#include <apt-pkg/fileutl.h> +#include <apt-pkg/hashes.h> +#include <apt-pkg/indexfile.h> +#include <apt-pkg/metaindex.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/sourcelist.h> +#include <apt-pkg/srcrecords.h> +#include <apt-pkg/strutl.h> +#include <apt-pkg/version.h> + +#include <apt-private/private-cachefile.h> +#include <apt-private/private-cacheset.h> +#include <apt-private/private-download.h> +#include <apt-private/private-install.h> +#include <apt-private/private-source.h> + +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <unistd.h> + +#include <iostream> +#include <set> +#include <string> +#include <vector> + +#include <apti18n.h> + /*}}}*/ + +// 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) + std::cout << " Trying to remove " << Pkg << std::endl; + else + std::cout << " Trying to install " << Pkg << std::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; +} + /*}}}*/ +// GetReleaseFileForSourceRecord - Return Suite for the given srcrecord /*{{{*/ +static pkgCache::RlsFileIterator GetReleaseFileForSourceRecord(CacheFile &CacheFile, + 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) + { + std::vector<pkgIndexFile *> *Indexes = (*S)->GetIndexFiles(); + for (std::vector<pkgIndexFile *>::const_iterator IF = Indexes->begin(); + IF != Indexes->end(); ++IF) + { + if (&CurrentIndexFile == (*IF)) + return (*S)->FindInCache(CacheFile, false); + } + } + return pkgCache::RlsFileIterator(CacheFile); +} + /*}}}*/ +// FindSrc - Find a source record /*{{{*/ +static pkgSrcRecords::Parser *FindSrc(const char *Name, + pkgSrcRecords &SrcRecs,std::string &Src, + CacheFile &CacheFile) +{ + std::string VerTag, UserRequestedVerTag; + std::string ArchTag = ""; + std::string RelTag = _config->Find("APT::Default-Release"); + std::string TmpSrc = Name; + pkgDepCache *Cache = CacheFile.GetDepCache(); + + // extract release + size_t found = TmpSrc.find_last_of("/"); + if (found != std::string::npos) + { + RelTag = TmpSrc.substr(found+1); + TmpSrc = TmpSrc.substr(0,found); + } + // extract the version + found = TmpSrc.find_last_of("="); + if (found != std::string::npos) + { + VerTag = UserRequestedVerTag = TmpSrc.substr(found+1); + TmpSrc = TmpSrc.substr(0,found); + } + // extract arch + found = TmpSrc.find_last_of(":"); + if (found != std::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)) + { + // the Version we have is possibly fuzzy or includes binUploads, + // so we use the Version of the SourcePkg (empty if same as package) + Src = Ver.SourcePkgName(); + VerTag = Ver.SourceVerStr(); + 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) + { + if (strcmp(Ver.SourcePkgName(),Ver.ParentPkg().Name()) != 0) + Src = Ver.SourcePkgName(); + if (VerTag.empty() == true && strcmp(Ver.SourceVerStr(),Ver.VerStr()) != 0) + VerTag = Ver.SourceVerStr(); + } + } + } + + 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; + std::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 std::string Ver = Parse->Version(); + + // See if we need to look for a specific release tag + if (RelTag != "" && UserRequestedVerTag == "") + { + pkgCache::RlsFileIterator const Rls = GetReleaseFileForSourceRecord(CacheFile, SrcList, Parse); + if (Rls.end() == false) + { + if ((Rls->Archive != 0 && RelTag == Rls.Archive()) || + (Rls->Codename != 0 && RelTag == Rls.Codename())) + { + 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; +} + /*}}}*/ +// DoSource - Fetch a source archive /*{{{*/ +// --------------------------------------------------------------------- +/* Fetch souce packages */ +struct DscFile +{ + std::string Package; + std::string Version; + std::string Dsc; +}; +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 + pkgSrcRecords SrcRecs(*List); + if (_error->PendingError() == true) + return false; + + std::unique_ptr<DscFile[]> Dsc(new DscFile[CmdL.FileSize()]); + + // insert all downloaded uris into this set to avoid downloading them + // twice + std::set<std::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 + aptAcquireWithTextStatus Fetcher; + unsigned J = 0; + std::vector<std::string> UntrustedList; + for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++) + { + std::string Src; + pkgSrcRecords::Parser *Last = FindSrc(*I,SrcRecs,Src,Cache); + if (Last == 0) { + return _error->Error(_("Unable to find a source package for %s"),Src.c_str()); + } + + if (Last->Index().IsTrusted() == false) + UntrustedList.push_back(Src); + + std::string srec = Last->AsStr(); + std::string::size_type pos = srec.find("\nVcs-"); + while (pos != std::string::npos) + { + pos += strlen("\nVcs-"); + std::string vcs = srec.substr(pos,srec.find(":",pos)-pos); + if(vcs == "Browser") + { + pos = srec.find("\nVcs-", pos); + continue; + } + pos += vcs.length()+2; + std::string::size_type epos = srec.find("\n", pos); + std::string const uri = srec.substr(pos,epos-pos); + 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()); + std::string vcscmd; + if (vcs == "Bzr") + vcscmd = "bzr branch " + uri; + else if (vcs == "Git") + vcscmd = "git clone " + uri; + + if (vcscmd.empty() == false) + ioprintf(c1out,_("Please use:\n%s\n" + "to retrieve the latest (possibly unreleased) " + "updates to the package.\n"), + vcscmd.c_str()); + break; + } + + // Back track + std::vector<pkgSrcRecords::File2> Lst; + if (Last->Files2(Lst) == false) { + return false; + } + + // Load them into the fetcher + for (std::vector<pkgSrcRecords::File2>::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 + std::string localFile = flNotDir(I->Path); + if (FileExists(localFile) == true) + if(I->Hashes.VerifyFile(localFile) == true) + { + ioprintf(c1out,_("Skipping already downloaded file '%s'\n"), + localFile.c_str()); + continue; + } + + // see if we have a hash (Acquire::ForceHash is the only way to have none) + if (I->Hashes.usable() == false && _config->FindB("APT::Get::AllowUnauthenticated",false) == false) + { + ioprintf(c1out, "Skipping download of file '%s' as requested hashsum is not available for authentication\n", + localFile.c_str()); + continue; + } + + new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path), + I->Hashes, I->FileSize, 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(); + + if (CheckFreeSpaceBeforeDownload(".", (FetchBytes - FetchPBytes)) == false) + return false; + + // 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(std::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) + std::cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << + I->Owner->FileSize << ' ' << I->Owner->HashSum() << std::endl; + return true; + } + + // check authentication status of the source as well + if (UntrustedList.empty() == false && AuthPrompt(UntrustedList, false) == false) + return false; + + // 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") << std::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) + { + std::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 + std::string const sourceopts = _config->Find("DPkg::Source-Options", "-x"); + std::string S; + strprintf(S, "%s %s %s", + _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(), + sourceopts.c_str(), Dsc[I].Dsc.c_str()); + if (system(S.c_str()) != 0) + { + fprintf(stderr, _("Unpack command '%s' failed.\n"), S.c_str()); + 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) + { + std::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 + std::string S; + strprintf(S, "cd %s && %s %s", + Dir.c_str(), + _config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(), + buildopts.c_str()); + + if (system(S.c_str()) != 0) + { + fprintf(stderr, _("Build command '%s' failed.\n"), S.c_str()); + _exit(1); + } + } + } + + _exit(0); + } + + return ExecWait(Process, "dpkg-source"); +} + /*}}}*/ +// 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. */ +bool DoBuildDep(CommandLine &CmdL) +{ + CacheFile Cache; + + _config->Set("APT::Install-Recommends", false); + + bool WantLock = _config->FindB("APT::Get::Print-URIs", false) == false; + + if (Cache.Open(WantLock) == 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 + pkgSrcRecords SrcRecs(*List); + if (_error->PendingError() == true) + return false; + + bool StripMultiArch; + std::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++) + { + std::string Src; + pkgSrcRecords::Parser *Last = 0; + std::unique_ptr<pkgSrcRecords::Parser> LastOwner; + + // an unpacked debian source tree + using APT::String::Startswith; + if ((Startswith(*I, "./") || Startswith(*I, "/")) && + DirectoryExists(*I)) + { + ioprintf(c1out, _("Note, using directory '%s' to get the build dependencies\n"), *I); + // FIXME: how can we make this more elegant? + std::string TypeName = "Debian control file"; + pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str()); + if(Type != NULL) + LastOwner.reset(Last = Type->CreateSrcPkgParser(*I)); + } + // if its a local file (e.g. .dsc) use this + else if (FileExists(*I)) + { + ioprintf(c1out, _("Note, using file '%s' to get the build dependencies\n"), *I); + + // see if we can get a parser for this pkgIndexFile type + std::string TypeName = "Debian " + flExtension(*I) + " file"; + pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str()); + if(Type != NULL) + LastOwner.reset(Last = Type->CreateSrcPkgParser(*I)); + } else { + // normal case, search the cache for the source file + Last = FindSrc(*I,SrcRecs,Src,Cache); + } + + if (Last == 0) + return _error->Error(_("Unable to find a source package for %s"),Src.c_str()); + + // Process the build-dependencies + std::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 + std::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) + std::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 != std::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 + + std::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::No || Ver->MultiArch == pkgCache::Version::All) + { + if (colon == std::string::npos) + Pkg = Ver.ParentPkg().Group().FindPkg(hostArch); + else if (strcmp(D->Package.c_str() + colon, ":any") == 0) + forbidden = "Multi-Arch: no"; + 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 == std::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 == std::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 == std::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) + std::cout << D->Package.substr(colon, std::string::npos) << " is not allowed from " << forbidden << " package " << (*D).Package << " (" << Ver.VerStr() << ")" << std::endl; + continue; + } + + //we found a good version + break; + } + if (Ver == verlist.end()) + { + if (_config->FindB("Debug::BuildDeps",false) == true) + std::cout << " No multiarch info as we have no satisfying installed nor candidate for " << D->Package << " on build or host arch" << std::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) + std::cout << " (not found)" << (*D).Package << std::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) + std::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) + std::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) + std::cout << " Checking provider " << Prv.OwnerPkg().FullName() << std::endl; + + if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false) + break; + } + + if (Prv.end() == false) + { + if (_config->FindB("Debug::BuildDeps",false) == true) + std::cout << " Is provided by installed package " << Prv.OwnerPkg().FullName() << std::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) + std::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(std::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; +} + /*}}}*/ |