diff options
Diffstat (limited to 'cmdline/apt-get.cc')
| -rw-r--r-- | cmdline/apt-get.cc | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 7e079b91c..48b21a31f 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -66,7 +66,7 @@ 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 +1190,54 @@ 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 +1295,7 @@ 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; @@ -2013,6 +2040,7 @@ 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); } } |