diff options
Diffstat (limited to 'cmdline')
| -rw-r--r-- | cmdline/apt-get.cc | 61 |
1 files changed, 44 insertions, 17 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 55681d59e..82f202103 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -1190,35 +1190,62 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs, string VerTag; string TmpSrc = Name; string::size_type Slash = TmpSrc.rfind('='); + + // honor pining and default release + string DefRel = _config->Find("APT::Default-Release"); + + pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc); + pkgCache::VerIterator CandVer = Cache.GetCandidateVer(Pkg); + if(Pkg.end() == false) + { + VerTag = CandVer.VerStr(); + } + if (Slash != string::npos) { VerTag = string(TmpSrc.begin() + Slash + 1,TmpSrc.end()); TmpSrc = string(TmpSrc.begin(),TmpSrc.begin() + Slash); - } else if(_config->Find("APT::Default-Release") != "") { - // if we have a Default-Release (-t) we want a exact match - // FIXME: we won't support downgrades - // (i.e. -t stable won't work on a unstable system - pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc); - if(Pkg.end() == false) { - pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg); - VerTag = Ver.VerStr(); + } + else if(DefRel.empty() == 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.end() == false; + Ver++) + { + 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; + + //std::cout << VF.File().Archive() << std::endl; + if(VF.File().Archive() == DefRel) + { + VerTag = Ver.VerStr(); + break; + } + } } } + /* 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. In theory - we could stash the version string as well and match that too but - today there aren't multi source versions in the archive. */ - if (_config->FindB("APT::Get::Only-Source") == false && - VerTag.empty() == true) + in the archive for a source package of the same name. */ + if (_config->FindB("APT::Get::Only-Source") == false) { - pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc); if (Pkg.end() == false) { - pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg); - if (Ver.end() == false) + if (CandVer.end() == false) { - pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList()); + pkgRecords::Parser &Parse = Recs.Lookup(CandVer.FileList()); Src = Parse.SourcePkg(); } } |