##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/policy.h"
-#endif
#include <apt-pkg/policy.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/tagfile.h>
#include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/sptr.h>
-
+
#include <apti18n.h>
#include <iostream>
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;
}
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;
+
+ // packages with a pin lower than 0 have no newer candidate than the current version
+ if (Max < 0)
+ return Pkg.CurrentVer();
+
/* Falling through to the default version.. Setting Max to zero
effectively excludes everything <= 0 which are the non-automatic
priorities.. The status file is given a prio of 100 which will exclude
{
Pref = Ver;
Max = Prio;
+ }
+ if (Prio > MaxAlt)
+ {
+ PrefAlt = Ver;
+ MaxAlt = Prio;
}
}
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;
}
/*}}}*/
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 /*{{{*/
return 0;
}
/*}}}*/
+// PreferenceSection class - Overriding the default TrimRecord method /*{{{*/
+// ---------------------------------------------------------------------
+/* The preference file is a user generated file so the parser should
+ therefore be a bit more friendly by allowing comments and new lines
+ all over the place rather than forcing a special format */
+class PreferenceSection : public pkgTagSection
+{
+ void TrimRecord(bool BeforeRecord, const char* &End)
+ {
+ for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r' || Stop[0] == '#'); Stop++)
+ if (Stop[0] == '#')
+ Stop = (const char*) memchr(Stop,'\n',End-Stop);
+ }
+};
+ /*}}}*/
+// ReadPinDir - Load the pin files from this dir into a Policy /*{{{*/
+// ---------------------------------------------------------------------
+/* This will load each pin file in the given dir into a Policy. If the
+ given dir is empty the dir set in Dir::Etc::PreferencesParts is used.
+ Note also that this method will issue a warning if the dir does not
+ exists but it will return true in this case! */
+bool ReadPinDir(pkgPolicy &Plcy,string Dir)
+{
+ if (Dir.empty() == true)
+ Dir = _config->FindDir("Dir::Etc::PreferencesParts");
+ if (DirectoryExists(Dir) == false)
+ {
+ _error->WarningE("DirectoryExists",_("Unable to read %s"),Dir.c_str());
+ return true;
+ }
+
+ vector<string> const List = GetListOfFilesInDir(Dir, "pref", true, true);
+
+ // Read the files
+ for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++)
+ if (ReadPinFile(Plcy, *I) == false)
+ return false;
+ return true;
+}
+ /*}}}*/
// ReadPinFile - Load the pin file into a Policy /*{{{*/
// ---------------------------------------------------------------------
/* I'd like to see the preferences file store more than just pin information
if (_error->PendingError() == true)
return false;
- pkgTagSection Tags;
+ PreferenceSection Tags;
while (TF.Step(Tags) == true)
{
string Name = Tags.FindS("Package");
if (Name.empty() == true)
- return _error->Error(_("Invalid record in the preferences file, no Package header"));
+ return _error->Error(_("Invalid record in the preferences file %s, no Package header"), File.c_str());
if (Name == "*")
Name = string();
projects / apt.git / blobdiff