summaryrefslogtreecommitdiff
path: root/apt-pkg/policy.cc
diff options
context:
space:
mode:
Diffstat (limited to 'apt-pkg/policy.cc')
-rw-r--r--apt-pkg/policy.cc59
1 files changed, 38 insertions, 21 deletions
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index a24ab7452..922efb0dd 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -121,6 +121,10 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg)
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;
@@ -159,6 +163,11 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg)
{
Pref = Ver;
Max = Prio;
+ }
+ if (Prio > MaxAlt)
+ {
+ PrefAlt = Ver;
+ MaxAlt = Prio;
}
}
@@ -175,6 +184,11 @@ 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;
}
/*}}}*/
@@ -187,35 +201,38 @@ 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 /*{{{*/
@@ -274,9 +291,9 @@ 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;
}