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authorMichael Vogt <michael.vogt@ubuntu.com>2005-10-18 22:42:09 +0000
committerMichael Vogt <michael.vogt@ubuntu.com>2005-10-18 22:42:09 +0000
commitaca056a93dda08ad03690b4b70295832a723a655 (patch)
treef84f0824a61bdd913def61fc7a66412041048988 /cmdline/apt-get.cc
parent026f60e2c5601c4db42220cd20af9bfe066b2d83 (diff)
* full support for apt-get source -t now (and honor pining too)
Diffstat (limited to 'cmdline/apt-get.cc')
-rw-r--r--cmdline/apt-get.cc61
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();
}
}