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-rw-r--r--apt-pkg/policy.cc93
1 files changed, 60 insertions, 33 deletions
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index f9901bc9a..a3286391b 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -106,7 +106,7 @@ bool pkgPolicy::InitDefaults()
if (_config->FindB("Debug::pkgPolicy",false) == true)
for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); F++)
- cout << "Prio of " << F.FileName() << ' ' << PFPriority[F->ID] << endl;
+ std::clog << "Prio of " << F.FileName() << ' ' << PFPriority[F->ID] << std::endl;
return true;
}
@@ -115,12 +115,16 @@ bool pkgPolicy::InitDefaults()
// ---------------------------------------------------------------------
/* Evaluate the package pins and the default list to deteremine what the
best package is. */
-pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg)
+pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pkg)
{
// Look for a package pin and evaluate it.
signed Max = GetPriority(Pkg);
pkgCache::VerIterator Pref = GetMatch(Pkg);
+ // Alternatives in case we can not find our package pin (Bug#512318).
+ signed MaxAlt = 0;
+ pkgCache::VerIterator PrefAlt;
+
// no package = no candidate version
if (Pkg.end() == true)
return Pref;
@@ -143,6 +147,16 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg)
*/
for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; Ver++)
{
+ /* Lets see if this version is the installed version */
+ bool instVer = (Pkg.CurrentVer() == Ver);
+ if (Ver.Pseudo() == true && instVer == false)
+ {
+ pkgCache::PkgIterator const allPkg = Ver.ParentPkg().Group().FindPkg("all");
+ if (allPkg->CurrentVer != 0 && allPkg.CurrentVer()->Hash == Ver->Hash &&
+ strcmp(allPkg.CurVersion(), Ver.VerStr()) == 0)
+ instVer = true;
+ }
+
for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++)
{
/* If this is the status file, and the current version is not the
@@ -151,18 +165,23 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg)
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)
+ instVer == false)
continue;
-
+
signed Prio = PFPriority[VF.File()->ID];
if (Prio > Max)
{
Pref = Ver;
Max = Prio;
+ }
+ if (Prio > MaxAlt)
+ {
+ PrefAlt = Ver;
+ MaxAlt = Prio;
}
}
- if (Pkg.CurrentVer() == Ver && Max < 1000)
+ if (instVer == true && Max < 1000)
{
/* Elevate our current selection (or the status file itself)
to the Pseudo-status priority. */
@@ -175,6 +194,12 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg)
break;
}
}
+ // If we do not find our candidate, use the one with the highest pin.
+ // This means that if there is a version available with pin > 0; there
+ // will always be a candidate (Closes: #512318)
+ if (!Pref.IsGood() && MaxAlt > 0)
+ Pref = PrefAlt;
+
return Pref;
}
/*}}}*/
@@ -187,49 +212,51 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg)
void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
string Data,signed short Priority)
{
- Pin *P = 0;
-
if (Name.empty() == true)
- P = &*Defaults.insert(Defaults.end(),PkgPin());
- else
{
- // Get a spot to put the pin
- pkgCache::PkgIterator Pkg = Cache->FindPkg(Name);
- if (Pkg.end() == true)
+ Pin *P = &*Defaults.insert(Defaults.end(),PkgPin());
+ P->Type = Type;
+ P->Priority = Priority;
+ P->Data = Data;
+ return;
+ }
+
+ // Get a spot to put the pin
+ pkgCache::GrpIterator Grp = Cache->FindGrp(Name);
+ for (pkgCache::PkgIterator Pkg = Grp.FindPkg("any");
+ Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
+ {
+ Pin *P = 0;
+ if (Pkg.end() == false)
+ P = Pins + Pkg->ID;
+ else
{
// Check the unmatched table
- for (vector<PkgPin>::iterator I = Unmatched.begin();
+ for (vector<PkgPin>::iterator I = Unmatched.begin();
I != Unmatched.end() && P == 0; I++)
if (I->Pkg == Name)
P = &*I;
-
+
if (P == 0)
- P = &*Unmatched.insert(Unmatched.end(),PkgPin());
+ P = &*Unmatched.insert(Unmatched.end(),PkgPin());
}
- else
- {
- P = Pins + Pkg->ID;
- }
+ P->Type = Type;
+ P->Priority = Priority;
+ P->Data = Data;
}
-
- // Set..
- P->Type = Type;
- P->Priority = Priority;
- P->Data = Data;
}
/*}}}*/
// Policy::GetMatch - Get the matching version for a package pin /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgCache::VerIterator pkgPolicy::GetMatch(pkgCache::PkgIterator Pkg)
+pkgCache::VerIterator pkgPolicy::GetMatch(pkgCache::PkgIterator const &Pkg)
{
const Pin &PPkg = Pins[Pkg->ID];
- if (PPkg.Type != pkgVersionMatch::None)
- {
- pkgVersionMatch Match(PPkg.Data,PPkg.Type);
- return Match.Find(Pkg);
- }
- return pkgCache::VerIterator(*Pkg.Cache());
+ if (PPkg.Type == pkgVersionMatch::None)
+ return pkgCache::VerIterator(*Pkg.Cache());
+
+ pkgVersionMatch Match(PPkg.Data,PPkg.Type);
+ return Match.Find(Pkg);
}
/*}}}*/
// Policy::GetPriority - Get the priority of the package pin /*{{{*/
@@ -274,9 +301,9 @@ bool ReadPinDir(pkgPolicy &Plcy,string Dir)
if (Dir.empty() == true)
Dir = _config->FindDir("Dir::Etc::PreferencesParts");
- if (FileExists(Dir) == false)
+ if (DirectoryExists(Dir) == false)
{
- _error->WarningE("FileExists",_("Unable to read %s"),Dir.c_str());
+ _error->WarningE("DirectoryExists",_("Unable to read %s"),Dir.c_str());
return true;
}