diff options
Diffstat (limited to 'apt-private/private-source.cc')
| -rw-r--r-- | apt-private/private-source.cc | 808 |
1 files changed, 808 insertions, 0 deletions
diff --git a/apt-private/private-source.cc b/apt-private/private-source.cc new file mode 100644 index 000000000..e9ec7c6cf --- /dev/null +++ b/apt-private/private-source.cc @@ -0,0 +1,808 @@ +// 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-pkg/policy.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 <apt-pkg/debindexfile.h> + +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <unistd.h> + +#include <iostream> +#include <sstream> +#include <set> +#include <string> +#include <vector> + +#include <apti18n.h> + /*}}}*/ + +// GetReleaseFileForSourceRecord - Return Suite for the given srcrecord /*{{{*/ +static pkgCache::RlsFileIterator GetReleaseFileForSourceRecord(CacheFile &CacheFile, + pkgSourceList const * const SrcList, pkgSrcRecords::Parser const * const 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 &Cache) +{ + std::string VerTag, UserRequestedVerTag; + std::string ArchTag = ""; + std::string RelTag = _config->Find("APT::Default-Release"); + std::string TmpSrc = Name; + + // 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.GetPkgCache()->FindPkg(TmpSrc, ArchTag); + else + Pkg = Cache.GetPkgCache()->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.GetPkgCache()->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.GetPkgCache()->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.empty() == true && ArchTag.empty() == false) + { + if (VerTag.empty() == false) + _error->Error(_("Can not find a package '%s' with version '%s'"), + Pkg.FullName().c_str(), VerTag.c_str()); + if (RelTag.empty() == false) + _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 + if (Cache.BuildPolicy() == false) + return nullptr; + pkgPolicy * Policy = dynamic_cast<pkgPolicy*>(Cache.GetPolicy()); + if (Policy == nullptr) + { + _error->Fatal("Implementation error: dynamic up-casting policy engine failed in FindSrc!"); + return nullptr; + } + pkgCache::VerIterator const Ver = Policy->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 const * const SrcList = Cache.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.empty() == false && UserRequestedVerTag.empty() == true) + { + pkgCache::RlsFileIterator const Rls = GetReleaseFileForSourceRecord(Cache, SrcList, Parse); + if (Rls.end() == false) + { + if ((Rls->Archive != 0 && RelTag != Rls.Archive()) && + (Rls->Codename != 0 && RelTag != Rls.Codename())) + continue; + } + } + + // Ignore all versions which doesn't fit + if (VerTag.empty() == false && + Cache.GetPkgCache()->VS->CmpVersion(VerTag, Ver) != 0) // exact match + continue; + + // Newer version or an exact match? Save the hit + if (Last == 0 || Cache.GetPkgCache()->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 source packages */ +struct DscFile +{ + std::string Package; + std::string Version; + std::string Dsc; +}; +bool DoSource(CommandLine &CmdL) +{ + if (CmdL.FileSize() <= 1) + return _error->Error(_("Must specify at least one package to fetch source for")); + + CacheFile Cache; + if (Cache.BuildCaches(false) == false) + return false; + + // Create the text record parsers + pkgSourceList * const List = Cache.GetSourceList(); + pkgSrcRecords SrcRecs(*List); + if (_error->PendingError() == true) + return false; + + std::vector<DscFile> Dsc; + Dsc.reserve(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; + std::vector<std::string> UntrustedList; + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + 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; + } + + DscFile curDsc; + // 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") + { + curDsc.Package = Last->Package(); + curDsc.Version = Last->Version(); + curDsc.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()); + curDsc.Dsc.clear(); + continue; + } + + new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path), + I->Hashes, I->FileSize, Last->Index().SourceInfo(*Last,*I), Src); + } + Dsc.push_back(std::move(curDsc)); + } + + // 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 (auto const &D: Dsc) + ioprintf(std::cout, _("Fetch source %s\n"), D.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) << ' ' << + std::to_string(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 (diffOnly || tarOnly || dscOnly || _config->FindB("APT::Get::Download-only",false) == true) + { + c1out << _("Download complete and in download only mode") << std::endl; + return true; + } + + bool const fixBroken = _config->FindB("APT::Get::Fix-Broken", false); + bool SaidCheckIfDpkgDev = false; + for (auto const &D: Dsc) + { + if (unlikely(D.Dsc.empty() == true)) + continue; + std::string const Dir = D.Package + '-' + Cache.GetPkgCache()->VS->UpstreamVersion(D.Version.c_str()); + + // 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", "--no-check -x"); + std::string S; + strprintf(S, "%s %s %s", + _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(), + sourceopts.c_str(), D.Dsc.c_str()); + if (system(S.c_str()) != 0) + { + _error->Error(_("Unpack command '%s' failed.\n"), S.c_str()); + if (SaidCheckIfDpkgDev == false) + { + _error->Notice(_("Check if the 'dpkg-dev' package is installed.\n")); + SaidCheckIfDpkgDev = true; + } + continue; + } + } + + // 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) + { + _error->Error(_("Build command '%s' failed.\n"), S.c_str()); + continue; + } + } + } + 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 std::vector<pkgSrcRecords::Parser::BuildDepRec> GetBuildDeps(pkgSrcRecords::Parser * const Last, + char const * const Src, bool const StripMultiArch, std::string const &hostArch) +{ + 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) + { + _error->Error(_("Unable to get build-dependency information for %s"), Src); + return {}; + } + } + else if (Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only", false), StripMultiArch) == false) + { + _error->Error(_("Unable to get build-dependency information for %s"), Src); + return {}; + } + + if (BuildDeps.empty() == true) + ioprintf(c1out,_("%s has no build depends.\n"), Src); + + return BuildDeps; +} +static void WriteBuildDependencyPackage(std::ostringstream &buildDepsPkgFile, + std::string const &PkgName, std::string const &Arch, + std::vector<pkgSrcRecords::Parser::BuildDepRec> const &Dependencies) +{ + buildDepsPkgFile << "Package: " << PkgName << "\n" + << "Architecture: " << Arch << "\n" + << "Version: 1\n"; + + bool const IndepOnly = _config->FindB("APT::Get::Indep-Only", false); + std::string depends, conflicts; + for (auto const &dep: Dependencies) + { + // ArchOnly is handled while parsing the dependencies on input + if (IndepOnly && (dep.Type == pkgSrcRecords::Parser::BuildDependArch || + dep.Type == pkgSrcRecords::Parser::BuildConflictArch)) + continue; + std::string * type; + if (dep.Type == pkgSrcRecords::Parser::BuildConflict || + dep.Type == pkgSrcRecords::Parser::BuildConflictIndep || + dep.Type == pkgSrcRecords::Parser::BuildConflictArch) + type = &conflicts; + else + type = &depends; + + type->append(" ").append(dep.Package); + if (dep.Version.empty() == false) + type->append(" (").append(pkgCache::CompTypeDeb(dep.Op)).append(" ").append(dep.Version).append(")"); + if ((dep.Op & pkgCache::Dep::Or) == pkgCache::Dep::Or) + { + type->append("\n |"); + } + else + type->append(",\n"); + } + if (depends.empty() == false) + buildDepsPkgFile << "Depends:\n" << depends; + if (conflicts.empty() == false) + buildDepsPkgFile << "Conflicts:\n" << conflicts; + buildDepsPkgFile << "\n"; +} +bool DoBuildDep(CommandLine &CmdL) +{ + CacheFile Cache; + std::vector<std::string> VolatileCmdL; + Cache.GetSourceList()->AddVolatileFiles(CmdL, &VolatileCmdL); + + _config->Set("APT::Install-Recommends", false); + + if (CmdL.FileSize() <= 1 && VolatileCmdL.empty()) + return _error->Error(_("Must specify at least one package to check builddeps for")); + + 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; + + std::ostringstream buildDepsPkgFile; + std::vector<std::pair<std::string,std::string>> pseudoPkgs; + // deal with the build essentials first + { + std::vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps; + for (auto && opt: _config->FindVector("APT::Build-Essential")) + { + if (opt.empty()) + continue; + pkgSrcRecords::Parser::BuildDepRec rec; + rec.Package = std::move(opt); + rec.Type = pkgSrcRecords::Parser::BuildDependIndep; + rec.Op = 0; + BuildDeps.push_back(rec); + } + std::string const pseudo = "builddeps:essentials"; + std::string const nativeArch = _config->Find("APT::Architecture"); + WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, nativeArch, BuildDeps); + pseudoPkgs.emplace_back(pseudo, nativeArch); + } + + // Read the source list + if (Cache.BuildSourceList() == false) + return false; + pkgSourceList *List = Cache.GetSourceList(); + std::string const pseudoArch = hostArch.empty() ? _config->Find("APT::Architecture") : hostArch; + + // FIXME: Avoid volatile sources == cmdline assumption + { + auto const VolatileSources = List->GetVolatileFiles(); + if (VolatileSources.size() == VolatileCmdL.size()) + { + for (size_t i = 0; i < VolatileSources.size(); ++i) + { + auto const Src = VolatileCmdL[i]; + if (DirectoryExists(Src)) + ioprintf(c1out, _("Note, using directory '%s' to get the build dependencies\n"), Src.c_str()); + else + ioprintf(c1out, _("Note, using file '%s' to get the build dependencies\n"), Src.c_str()); + std::unique_ptr<pkgSrcRecords::Parser> Last(VolatileSources[i]->CreateSrcParser()); + if (Last == nullptr) + return _error->Error(_("Unable to find a source package for %s"), Src.c_str()); + + std::string const pseudo = std::string("builddeps:") + Src; + WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, pseudoArch, + GetBuildDeps(Last.get(), Src.c_str(), StripMultiArch, hostArch)); + pseudoPkgs.emplace_back(pseudo, pseudoArch); + } + } + else + return _error->Error("Implementation error: Volatile sources (%lu) and" + "commandline elements (%lu) do not match!", VolatileSources.size(), + VolatileCmdL.size()); + } + + bool const WantLock = _config->FindB("APT::Get::Print-URIs", false) == false; + if (CmdL.FileList[1] != 0) + { + if (Cache.BuildCaches(WantLock) == false) + return false; + // Create the text record parsers + pkgSrcRecords SrcRecs(*List); + if (_error->PendingError() == true) + return false; + for (const char **I = CmdL.FileList + 1; *I != 0; ++I) + { + std::string Src; + pkgSrcRecords::Parser * const Last = FindSrc(*I,SrcRecs,Src,Cache); + if (Last == nullptr) + return _error->Error(_("Unable to find a source package for %s"), *I); + + std::string const pseudo = std::string("builddeps:") + Src; + WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, pseudoArch, + GetBuildDeps(Last, Src.c_str(), StripMultiArch, hostArch)); + pseudoPkgs.emplace_back(pseudo, pseudoArch); + } + } + + Cache.AddIndexFile(new debStringPackageIndex(buildDepsPkgFile.str())); + + if (Cache.Open(WantLock) == false) + return false; + pkgProblemResolver Fix(Cache.GetDepCache()); + + APT::PackageVector removeAgain; + { + pkgDepCache::ActionGroup group(Cache); + TryToInstall InstallAction(Cache, &Fix, false); + for (auto const &pkg: pseudoPkgs) + { + pkgCache::PkgIterator const Pkg = Cache->FindPkg(pkg.first, pkg.second); + if (Pkg.end()) + continue; + Cache->SetCandidateVersion(Pkg.VersionList()); + InstallAction(Cache[Pkg].CandidateVerIter(Cache)); + removeAgain.push_back(Pkg); + } + InstallAction.doAutoInstall(); + + OpTextProgress Progress(*_config); + bool const resolver_fail = Fix.Resolve(true, &Progress); + if (resolver_fail == false && Cache->BrokenCount() == 0) + return false; + if (CheckNothingBroken(Cache) == false) + return false; + } + if (DoAutomaticRemove(Cache) == false) + return false; + + { + pkgDepCache::ActionGroup group(Cache); + if (_config->FindB("APT::Get::Build-Dep-Automatic", false) == false) + { + for (auto const &pkg: removeAgain) + { + auto const instVer = Cache[pkg].InstVerIter(Cache); + if (unlikely(instVer.end() == true)) + continue; + for (auto D = instVer.DependsList(); D.end() != true; ++D) + { + if (D->Type != pkgCache::Dep::Depends || D.IsMultiArchImplicit()) + continue; + APT::VersionList verlist = APT::VersionList::FromDependency(Cache, D, APT::CacheSetHelper::CANDIDATE); + for (auto const &V : verlist) + { + auto const P = V.ParentPkg(); + if (Cache[P].InstallVer != V) + continue; + Cache->MarkAuto(P, false); + } + } + } + } + for (auto const &pkg: removeAgain) + Cache->MarkDelete(pkg, false, 0, true); + } + + pseudoPkgs.clear(); + if (_error->PendingError() || InstallPackages(Cache, false, true) == false) + return _error->Error(_("Failed to process build dependencies")); + return true; +} + /*}}}*/ |