diff options
Diffstat (limited to 'cmdline/apt-get.cc')
-rw-r--r-- | cmdline/apt-get.cc | 93 |
1 files changed, 69 insertions, 24 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 7e079b91c..d4a6bee32 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) @@ -1872,6 +1892,9 @@ 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 +1931,28 @@ 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 +2057,7 @@ 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); } } |