#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/error.h>
-#include <apt-pkg/sptr.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/versionmatch.h>
// ---------------------------------------------------------------------
/* Set the defaults for operation. The default mode with no loaded policy
file matches the V0 policy engine. */
-pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner)
+pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(nullptr), VerPins(nullptr),
+ PFPriority(nullptr), Cache(Owner), d(NULL)
{
if (Owner == 0)
return;
}
// Apply the defaults..
- SPtrArray<bool> Fixed = new bool[Cache->HeaderP->PackageFileCount];
- memset(Fixed,0,sizeof(*Fixed)*Cache->HeaderP->PackageFileCount);
+ std::unique_ptr<bool[]> Fixed(new bool[Cache->HeaderP->PackageFileCount]);
+ memset(Fixed.get(),0,sizeof(Fixed[0])*Cache->HeaderP->PackageFileCount);
StatusOverride = false;
for (vector<Pin>::const_iterator I = Defaults.begin(); I != Defaults.end(); ++I)
{
return Pref;
}
-
-// Policy::GetCandidateVer - Get the candidate install version /*{{{*/
+ /*}}}*/
+// Policy::GetCandidateVerNew - Get the candidate install version /*{{{*/
// ---------------------------------------------------------------------
/* Evaluate the package pins and the default list to deteremine what the
best package is. */
{
// TODO: Replace GetCandidateVer()
pkgCache::VerIterator cand;
+ pkgCache::VerIterator cur = Pkg.CurrentVer();
int candPriority = -1;
- bool candInstalled = false;
pkgVersioningSystem *vs = Cache->VS;
- for (pkgCache::VerIterator ver = Pkg.VersionList(); ver.end() == false; ver++) {
- int priority = GetPriority(ver);
- bool installed = ver->ID == Pkg.CurrentVer()->ID;
+ for (pkgCache::VerIterator ver = Pkg.VersionList(); ver.end() == false; ++ver) {
+ int priority = GetPriority(ver, true);
+
+ if (priority == 0 || priority <= candPriority)
+ continue;
- if (priority < candPriority)
+ // TODO: Maybe optimize to not compare versions
+ if (!cur.end() && priority < 1000
+ && (vs->CmpVersion(ver.VerStr(), cur.VerStr()) < 0))
continue;
- if (priority < 1000
- && (priority == candPriority || installed < candInstalled)
- && (cand.IsGood() && vs->CmpVersion(ver.VerStr(), cand.VerStr()) < 0))
- continue;
candPriority = priority;
- candInstalled = installed;
cand = ver;
}
// Find matching version(s) and copy the pin into it
pkgVersionMatch Match(P->Data,P->Type);
- for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() != true; Ver++)
+ for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() != true; ++Ver)
{
if (Match.VersionMatches(Ver)) {
Pin *VP = VerPins + Ver->ID;
return Pins[Pkg->ID].Priority;
return 0;
}
-APT_PURE signed short pkgPolicy::GetPriority(pkgCache::VerIterator const &Ver)
+APT_PURE signed short pkgPolicy::GetPriority(pkgCache::VerIterator const &Ver, bool ConsiderFiles)
{
if (VerPins[Ver->ID].Type != pkgVersionMatch::None)
return VerPins[Ver->ID].Priority;
+ if (!ConsiderFiles)
+ return 0;
-
- int priority = INT_MIN;
+ signed short priority = std::numeric_limits<signed short>::min();
for (pkgCache::VerFileIterator file = Ver.FileList(); file.end() == false; file++)
{
- if (GetPriority(file.File()) > priority)
- priority = GetPriority(file.File());
+ /* 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 (file.File().Flagged(pkgCache::Flag::NotSource) && Ver.ParentPkg().CurrentVer() != Ver)
+ priority = std::max(priority, static_cast<decltype(priority)>(-1));
+ else
+ priority = std::max(priority, GetPriority(file.File()));
}
- return priority == INT_MIN ? 0 : priority;
+ return priority == std::numeric_limits<decltype(priority)>::min() ? 0 : priority;
}
APT_PURE signed short pkgPolicy::GetPriority(pkgCache::PkgFileIterator const &File)
{
return PFPriority[File->ID];
}
/*}}}*/
-// 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
if (DirectoryExists(Dir) == false)
{
- _error->WarningE("DirectoryExists",_("Unable to read %s"),Dir.c_str());
+ if (Dir != "/dev/null")
+ _error->WarningE("DirectoryExists",_("Unable to read %s"),Dir.c_str());
return true;
}
return true;
FileFd Fd(File,FileFd::ReadOnly);
- pkgTagFile TF(&Fd);
- if (_error->PendingError() == true)
+ pkgTagFile TF(&Fd, pkgTagFile::SUPPORT_COMMENTS);
+ if (Fd.IsOpen() == false || Fd.Failed())
return false;
-
- PreferenceSection Tags;
+
+ pkgTagSection Tags;
while (TF.Step(Tags) == true)
{
// can happen when there are only comments in a record
}
for (; Word != End && isspace(*Word) != 0; Word++);
- short int priority = Tags.FindI("Pin-Priority", 0);
+ _error->PushToStack();
+ int const priority = Tags.FindI("Pin-Priority", 0);
+ bool const newError = _error->PendingError();
+ _error->MergeWithStack();
+ if (priority < std::numeric_limits<short>::min() ||
+ priority > std::numeric_limits<short>::max() ||
+ newError) {
+ return _error->Error(_("%s: Value %s is outside the range of valid pin priorities (%d to %d)"),
+ File.c_str(), Tags.FindS("Pin-Priority").c_str(),
+ std::numeric_limits<short>::min(),
+ std::numeric_limits<short>::max());
+ }
if (priority == 0)
{
- _error->Warning(_("No priority (or zero) specified for pin"));
- continue;
+ return _error->Error(_("No priority (or zero) specified for pin"));
}
istringstream s(Name);
projects / apt.git / blobdiff