- // 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"
- */
-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
- */
-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 /*{{{*/
-// ---------------------------------------------------------------------
-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();
projects / apt.git / blobdiff