diff options
Diffstat (limited to 'cmdline/apt-get.cc')
| -rw-r--r-- | cmdline/apt-get.cc | 225 |
1 files changed, 144 insertions, 81 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 7e079b91c..64882e3e8 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -38,6 +38,7 @@ #include <apt-pkg/version.h> #include <apt-pkg/cachefile.h> #include <apt-pkg/sptr.h> +#include <apt-pkg/md5.h> #include <apt-pkg/versionmatch.h> #include <config.h> @@ -45,6 +46,7 @@ #include "acqprogress.h" +#include <set> #include <locale.h> #include <langinfo.h> #include <fstream> @@ -66,7 +68,7 @@ ostream c0out(0); ostream c1out(0); ostream c2out(0); ofstream devnull("/dev/null"); -unsigned int ScreenWidth = 80; +unsigned int ScreenWidth = 80 - 1; /* - 1 for the cursor */ // class CacheFile - Cover class for some dependency cache functions /*{{{*/ // --------------------------------------------------------------------- @@ -1190,24 +1192,54 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs, string VerTag; string TmpSrc = Name; string::size_type Slash = TmpSrc.rfind('='); + + // honor default release + string DefRel = _config->Find("APT::Default-Release"); + pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc); + if (Slash != string::npos) { VerTag = string(TmpSrc.begin() + Slash + 1,TmpSrc.end()); TmpSrc = string(TmpSrc.begin(),TmpSrc.begin() + Slash); + } + else if(!Pkg.end() && 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() && (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); + pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg); if (Ver.end() == false) { pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList()); @@ -1265,10 +1297,7 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs, } } - if (Last == 0) - return 0; - - if (Last->Jump(Offset) == false) + if (Last == 0 || Last->Jump(Offset) == false) return 0; return Last; @@ -1339,7 +1368,7 @@ bool DoUpdate(CommandLine &CmdL) } // Clean out any old list files - if (_config->FindB("APT::Get::List-Cleanup",true) == true) + if (!Failed && _config->FindB("APT::Get::List-Cleanup",true) == true) { if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false || Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false) @@ -1382,15 +1411,6 @@ bool DoUpgrade(CommandLine &CmdL) /* Install named packages */ bool DoInstall(CommandLine &CmdL) { - // Lock the list directory - FileFd Lock; - if (_config->FindB("Debug::NoLocking",false) == false) - { - Lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock")); - if (_error->PendingError() == true) - return _error->Error(_("Unable to lock the list directory")); - } - CacheFile Cache; if (Cache.OpenForInstall() == false || Cache.CheckDeps(CmdL.FileSize() != 1) == false) @@ -1589,68 +1609,86 @@ bool DoInstall(CommandLine &CmdL) string SuggestsVersions, RecommendsVersions; for (unsigned J = 0; J < Cache->Head().PackageCount; J++) { - pkgCache::PkgIterator I(Cache,Cache.List[J]); + pkgCache::PkgIterator Pkg(Cache,Cache.List[J]); /* Just look at the ones we want to install */ - if ((*Cache)[I].Install() == false) + if ((*Cache)[Pkg].Install() == false) continue; - for (pkgCache::VerIterator V = I.VersionList(); V.end() == false; V++) - { - for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ) - { - pkgCache::DepIterator Start; - pkgCache::DepIterator End; - D.GlobOr(Start,End); // advances D - - /* - * 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 - */ - - bool providedBySomething = false; - for (pkgCache::PrvIterator Prv = Start.TargetPkg().ProvidesList(); - Prv.end() != true; - Prv++) - if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false) - { - providedBySomething = true; - break; - } - - if (providedBySomething) continue; - - for(;;) - { - /* Skip if package is installed already, or is about to be */ - string target = string(Start.TargetPkg().Name()) + " "; - - if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install - || Cache[Start.TargetPkg()].Install()) - break; - - /* Skip if we already saw it */ - if (int(SuggestsList.find(target)) != -1 || int(RecommendsList.find(target)) != -1) - break; - - if (Start->Type == pkgCache::Dep::Suggests) { - SuggestsList += target; - SuggestsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n"; - } - - if (Start->Type == pkgCache::Dep::Recommends) { - RecommendsList += target; - RecommendsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n"; - } - - if (Start >= End) - break; - Start++; - } - } - } + // get the recommends/suggests for the candidate ver + pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache); + for (pkgCache::DepIterator D = CV.DependsList(); D.end() == false; ) + { + pkgCache::DepIterator Start; + pkgCache::DepIterator End; + D.GlobOr(Start,End); // advances D + + // FIXME: we really should display a or-group as a or-group to the user + // the problem is that ShowList is incapable of doing this + string RecommendsOrList,RecommendsOrVersions; + string SuggestsOrList,SuggestsOrVersions; + bool foundInstalledInOrGroup = false; + for(;;) + { + /* Skip if package is installed already, or is about to be */ + string target = string(Start.TargetPkg().Name()) + " "; + + if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install + || Cache[Start.TargetPkg()].Install()) + { + foundInstalledInOrGroup=true; + break; + } + + /* Skip if we already saw it */ + if (int(SuggestsList.find(target)) != -1 || int(RecommendsList.find(target)) != -1) + { + foundInstalledInOrGroup=true; + break; + } + + // this is a dep on a virtual pkg, check if any package that provides it + // should be installed + if(Start.TargetPkg().ProvidesList() != 0) + { + pkgCache::PrvIterator I = Start.TargetPkg().ProvidesList(); + for (; I.end() == false; I++) + { + pkgCache::PkgIterator Pkg = I.OwnerPkg(); + if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer() && + Pkg.CurrentVer() != 0) + foundInstalledInOrGroup=true; + } + } + + if (Start->Type == pkgCache::Dep::Suggests) + { + SuggestsOrList += target; + SuggestsOrVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n"; + } + + if (Start->Type == pkgCache::Dep::Recommends) + { + RecommendsOrList += target; + RecommendsOrVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n"; + } + + if (Start >= End) + break; + Start++; + } + + if(foundInstalledInOrGroup == false) + { + RecommendsList += RecommendsOrList; + RecommendsVersions += RecommendsOrVersions; + SuggestsList += SuggestsOrList; + SuggestsVersions += SuggestsOrVersions; + } + + } } + ShowList(c1out,_("Suggested packages:"),SuggestsList,SuggestsVersions); ShowList(c1out,_("Recommended packages:"),RecommendsList,RecommendsVersions); @@ -1872,6 +1910,9 @@ bool DoSource(CommandLine &CmdL) DscFile *Dsc = new DscFile[CmdL.FileSize()]; + // insert all downloaded uris into this set to avoid downloading them + // twice + set<string> queued; // Load the requestd sources into the fetcher unsigned J = 0; for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++) @@ -1908,7 +1949,28 @@ bool DoSource(CommandLine &CmdL) if (_config->FindB("APT::Get::Tar-Only",false) == true && I->Type != "tar") 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); @@ -2013,6 +2075,7 @@ bool DoSource(CommandLine &CmdL) 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); } } |