X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/9164e147eb78de6b4f8c8ce4b71e93ad71a44725..5e1ed0889d8aac82ca18add8c6139b153225ae71:/apt-pkg/policy.cc
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index bd213e0ce..0a06cc6e3 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -23,18 +23,21 @@
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include<config.h>
+
#include <apt-pkg/policy.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/cachefilter.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>
#include <sstream>
+
+#include <apti18n.h>
/*}}}*/
using namespace std;
@@ -56,8 +59,23 @@ pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner)
// The config file has a master override.
string DefRel = _config->Find("APT::Default-Release");
if (DefRel.empty() == false)
- CreatePin(pkgVersionMatch::Release,"",DefRel,990);
-
+ {
+ bool found = false;
+ // FIXME: make ExpressionMatches static to use it here easily
+ pkgVersionMatch vm("", pkgVersionMatch::None);
+ for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F)
+ {
+ if ((F->Archive != 0 && vm.ExpressionMatches(DefRel, F.Archive()) == true) ||
+ (F->Codename != 0 && vm.ExpressionMatches(DefRel, F.Codename()) == true) ||
+ (F->Version != 0 && vm.ExpressionMatches(DefRel, F.Version()) == true) ||
+ (DefRel.length() > 2 && DefRel[1] == '='))
+ found = true;
+ }
+ if (found == false)
+ _error->Error(_("The value '%s' is invalid for APT::Default-Release as such a release is not available in the sources"), DefRel.c_str());
+ else
+ CreatePin(pkgVersionMatch::Release,"",DefRel,990);
+ }
InitDefaults();
}
/*}}}*/
@@ -67,7 +85,7 @@ pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner)
bool pkgPolicy::InitDefaults()
{
// Initialize the priorities based on the status of the package file
- for (pkgCache::PkgFileIterator I = Cache->FileBegin(); I != Cache->FileEnd(); I++)
+ for (pkgCache::PkgFileIterator I = Cache->FileBegin(); I != Cache->FileEnd(); ++I)
{
PFPriority[I->ID] = 500;
if ((I->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource)
@@ -84,10 +102,10 @@ bool pkgPolicy::InitDefaults()
signed Cur = 989;
StatusOverride = false;
for (vector<Pin>::const_iterator I = Defaults.begin(); I != Defaults.end();
- I++, Cur--)
+ ++I, --Cur)
{
pkgVersionMatch Match(I->Data,I->Type);
- for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); F++)
+ for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F)
{
if (Match.FileMatch(F) == true && Fixed[F->ID] == false)
{
@@ -108,7 +126,7 @@ bool pkgPolicy::InitDefaults()
}
if (_config->FindB("Debug::pkgPolicy",false) == true)
- for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); F++)
+ for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F)
std::clog << "Prio of " << F.FileName() << ' ' << PFPriority[F->ID] << std::endl;
return true;
@@ -148,12 +166,16 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk
tracks the default when the default is taken away, and a permanent
pin that stays at that setting.
*/
- for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; Ver++)
+ bool PrefSeen = false;
+ for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
{
/* Lets see if this version is the installed version */
bool instVer = (Pkg.CurrentVer() == Ver);
- for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++)
+ if (Pref == Ver)
+ PrefSeen = true;
+
+ 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)
@@ -169,26 +191,33 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk
{
Pref = Ver;
Max = Prio;
+ PrefSeen = true;
}
if (Prio > MaxAlt)
{
PrefAlt = Ver;
MaxAlt = Prio;
- }
- }
-
+ }
+ }
+
if (instVer == true && Max < 1000)
{
+ /* Not having seen the Pref yet means we have a specific pin below 1000
+ on a version below the current installed one, so ignore the specific pin
+ as this would be a downgrade otherwise */
+ if (PrefSeen == false || Pref.end() == true)
+ {
+ Pref = Ver;
+ PrefSeen = true;
+ }
/* Elevate our current selection (or the status file itself)
to the Pseudo-status priority. */
- if (Pref.end() == true)
- Pref = Ver;
Max = 1000;
-
+
// Fast path optimize.
if (StatusOverride == false)
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
@@ -242,17 +271,33 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
}
// find the package (group) this pin applies to
- pkgCache::GrpIterator Grp;
- pkgCache::PkgIterator Pkg;
- if (Arch.empty() == false)
- Pkg = Cache->FindPkg(Name, Arch);
- else {
- Grp = Cache->FindGrp(Name);
- if (Grp.end() == false)
- Pkg = Grp.PackageList();
+ pkgCache::GrpIterator Grp = Cache->FindGrp(Name);
+ bool matched = false;
+ if (Grp.end() == false)
+ {
+ std::string MatchingArch;
+ if (Arch.empty() == true)
+ MatchingArch = Cache->NativeArch();
+ else
+ MatchingArch = Arch;
+ APT::CacheFilter::PackageArchitectureMatchesSpecification pams(MatchingArch);
+ for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
+ {
+ if (pams(Pkg.Arch()) == false)
+ continue;
+ Pin *P = Pins + Pkg->ID;
+ // the first specific stanza for a package is the ruler,
+ // all others need to be ignored
+ if (P->Type != pkgVersionMatch::None)
+ P = &*Unmatched.insert(Unmatched.end(),PkgPin(Pkg.FullName()));
+ P->Type = Type;
+ P->Priority = Priority;
+ P->Data = Data;
+ matched = true;
+ }
}
- if (Pkg.end() == true)
+ if (matched == false)
{
PkgPin *P = &*Unmatched.insert(Unmatched.end(),PkgPin(Name));
if (Arch.empty() == false)
@@ -262,20 +307,6 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
P->Data = Data;
return;
}
-
- for (; Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
- {
- Pin *P = Pins + Pkg->ID;
- // the first specific stanza for a package is the ruler,
- // all others need to be ignored
- if (P->Type != pkgVersionMatch::None)
- P = &*Unmatched.insert(Unmatched.end(),PkgPin(Pkg.FullName()));
- P->Type = Type;
- P->Priority = Priority;
- P->Data = Data;
- if (Grp.end() == true)
- break;
- }
}
/*}}}*/
// Policy::GetMatch - Get the matching version for a package pin /*{{{*/
@@ -305,6 +336,10 @@ signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg)
}
return 0;
+}
+signed short pkgPolicy::GetPriority(pkgCache::PkgFileIterator const &File)
+{
+ return PFPriority[File->ID];
}
/*}}}*/
// PreferenceSection class - Overriding the default TrimRecord method /*{{{*/
@@ -342,7 +377,7 @@ bool ReadPinDir(pkgPolicy &Plcy,string Dir)
vector<string> const List = GetListOfFilesInDir(Dir, "pref", true, true);
// Read the files
- for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++)
+ for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
if (ReadPinFile(Plcy, *I) == false)
return false;
return true;