##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include<config.h>
+
#include <apt-pkg/depcache.h>
-#include <apt-pkg/version.h>
#include <apt-pkg/versionmatch.h>
#include <apt-pkg/error.h>
#include <apt-pkg/sptr.h>
-#include <apt-pkg/algorithms.h>
-
#include <apt-pkg/fileutl.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/aptconfiguration.h>
-#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/tagfile.h>
-
+#include <apt-pkg/progress.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <list>
+#include <string>
+#include <utility>
+#include <vector>
+#include <algorithm>
#include <iostream>
-#include <sstream>
+#include <sstream>
#include <set>
#include <sys/stat.h>
-#include <apti18n.h>
+#include <apti18n.h>
/*}}}*/
+
+using std::string;
+
// helper for Install-Recommends-Sections and Never-MarkAuto-Sections /*{{{*/
static bool
ConfigValueInSubTree(const char* SubTree, const char *needle)
string const state = _config->FindFile("Dir::State::extended_states");
if(RealFileExists(state)) {
state_file.Open(state, FileFd::ReadOnly);
- int const file_size = state_file.Size();
+ off_t const file_size = state_file.Size();
if(Prog != NULL)
Prog->OverallProgress(0, file_size, 1,
_("Reading state information"));
pkgTagFile tagfile(&state_file);
pkgTagSection section;
- int amt = 0;
+ off_t amt = 0;
bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
while(tagfile.Step(section)) {
string const pkgname = section.FindS("Package");
return true;
}
/*}}}*/
-bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/
+bool pkgDepCache::writeStateFile(OpProgress * /*prog*/, bool InstalledOnly) /*{{{*/
{
bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
/* Check simple depends. A depends -should- never self match but
we allow it anyhow because dpkg does. Technically it is a packaging
bug. Conflicts may never self match */
- if (Dep.TargetPkg() != Dep.ParentPkg() || Dep.IsNegative() == false)
+ if (Dep.IsIgnorable(Res) == false)
{
PkgIterator Pkg = Dep.TargetPkg();
// Check the base package
if (Type == NowVersion && Pkg->CurrentVer != 0)
- if (VS().CheckDep(Pkg.CurrentVer().VerStr(),Dep->CompareOp,
- Dep.TargetVer()) == true)
+ if (Dep.IsSatisfied(Pkg.CurrentVer()) == true)
return true;
if (Type == InstallVersion && PkgState[Pkg->ID].InstallVer != 0)
- if (VS().CheckDep(PkgState[Pkg->ID].InstVerIter(*this).VerStr(),
- Dep->CompareOp,Dep.TargetVer()) == true)
+ if (Dep.IsSatisfied(PkgState[Pkg->ID].InstVerIter(*this)) == true)
return true;
if (Type == CandidateVersion && PkgState[Pkg->ID].CandidateVer != 0)
- if (VS().CheckDep(PkgState[Pkg->ID].CandidateVerIter(*this).VerStr(),
- Dep->CompareOp,Dep.TargetVer()) == true)
+ if (Dep.IsSatisfied(PkgState[Pkg->ID].CandidateVerIter(*this)) == true)
return true;
}
// Check the providing packages
PrvIterator P = Dep.TargetPkg().ProvidesList();
- PkgIterator Pkg = Dep.ParentPkg();
for (; P.end() != true; ++P)
{
- /* Provides may never be applied against the same package (or group)
- if it is a conflicts. See the comment above. */
- if (P.OwnerPkg()->Group == Pkg->Group && Dep.IsNegative() == true)
+ if (Dep.IsIgnorable(P) == true)
continue;
-
+
// Check if the provides is a hit
if (Type == NowVersion)
{
}
// Compare the versions.
- if (VS().CheckDep(P.ProvideVersion(),Dep->CompareOp,Dep.TargetVer()) == true)
+ if (Dep.IsSatisfied(P) == true)
{
Res = P.OwnerPkg();
return true;
/*}}}*/
// DepCache::AddSizes - Add the packages sizes to the counters /*{{{*/
// ---------------------------------------------------------------------
-/* Call with Mult = -1 to preform the inverse opration
- The Mult increases the complexity of the calulations here and is unused -
- or do we really have a usecase for removing the size of a package two
- times? So let us replace it with a simple bool and be done with it… */
-__deprecated void pkgDepCache::AddSizes(const PkgIterator &Pkg,signed long Mult)
-{
- StateCache &P = PkgState[Pkg->ID];
-
- if (Pkg->VersionList == 0)
- return;
-
- if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure &&
- P.Keep() == true)
- return;
-
- // Compute the size data
- if (P.NewInstall() == true)
- {
- iUsrSize += (signed long long)(Mult*P.InstVerIter(*this)->InstalledSize);
- iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size);
- return;
- }
-
- // Upgrading
- if (Pkg->CurrentVer != 0 &&
- (P.InstallVer != (Version *)Pkg.CurrentVer() ||
- (P.iFlags & ReInstall) == ReInstall) && P.InstallVer != 0)
- {
- iUsrSize += (signed long long)(Mult*((signed long long)P.InstVerIter(*this)->InstalledSize -
- (signed long long)Pkg.CurrentVer()->InstalledSize));
- iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size);
- return;
- }
-
- // Reinstall
- if (Pkg.State() == pkgCache::PkgIterator::NeedsUnpack &&
- P.Delete() == false)
- {
- iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size);
- return;
- }
-
- // Removing
- if (Pkg->CurrentVer != 0 && P.InstallVer == 0)
- {
- iUsrSize -= (signed long long)(Mult*Pkg.CurrentVer()->InstalledSize);
- return;
- }
-}
- /*}}}*/
-// DepCache::AddSizes - Add the packages sizes to the counters /*{{{*/
-// ---------------------------------------------------------------------
/* Call with Inverse = true to preform the inverse opration */
-void pkgDepCache::AddSizes(const PkgIterator &Pkg, bool const &Inverse)
+void pkgDepCache::AddSizes(const PkgIterator &Pkg, bool const Inverse)
{
StateCache &P = PkgState[Pkg->ID];
calld Remove/Add itself. Remember, dependencies can be circular so
while processing a dep for Pkg it is possible that Add/Remove
will be called on Pkg */
-void pkgDepCache::AddStates(const PkgIterator &Pkg,int Add)
+void pkgDepCache::AddStates(const PkgIterator &Pkg, bool const Invert)
{
+ signed char const Add = (Invert == false) ? 1 : -1;
StateCache &State = PkgState[Pkg->ID];
// The Package is broken (either minimal dep or policy dep)
{
iUsrSize = 0;
iDownloadSize = 0;
- iDelCount = 0;
iInstCount = 0;
+ iDelCount = 0;
iKeepCount = 0;
iBrokenCount = 0;
+ iPolicyBrokenCount = 0;
iBadCount = 0;
// Perform the depends pass
// DepCache::MarkKeep - Put the package in the keep state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
+bool pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
unsigned long Depth)
{
if (IsModeChangeOk(ModeKeep, Pkg, Depth, FromUser) == false)
- return;
+ return false;
/* Reject an attempt to keep a non-source broken installed package, those
must be upgraded */
if (Pkg.State() == PkgIterator::NeedsUnpack &&
Pkg.CurrentVer().Downloadable() == false)
- return;
+ return false;
/* We changed the soft state all the time so the UI is a bit nicer
to use */
// Check that it is not already kept
if (P.Mode == ModeKeep)
- return;
+ return true;
if (Soft == true)
P.iFlags |= AutoKept;
// - this makes sense as default when all Garbage dependencies
// are automatically marked for removal (as aptitude does).
// setting a package for keep then makes it no longer autoinstalled
- // for all other use-case this action is rather suprising
+ // for all other use-case this action is rather surprising
if(FromUser && !P.Marked)
P.Flags &= ~Flag::Auto;
#endif
P.InstallVer = Pkg.CurrentVer();
AddStates(Pkg);
-
Update(Pkg);
-
AddSizes(Pkg);
+
+ return true;
}
/*}}}*/
// DepCache::MarkDelete - Put the package in the delete state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
+bool pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
unsigned long Depth, bool FromUser)
{
if (IsModeChangeOk(ModeDelete, Pkg, Depth, FromUser) == false)
- return;
+ return false;
StateCache &P = PkgState[Pkg->ID];
// Check that it is not already marked for delete
if ((P.Mode == ModeDelete || P.InstallVer == 0) &&
(Pkg.Purge() == true || rPurge == false))
- return;
+ return true;
// check if we are allowed to remove the package
if (IsDeleteOk(Pkg,rPurge,Depth,FromUser) == false)
- return;
+ return false;
P.iFlags &= ~(AutoKept | Purge);
if (rPurge == true)
Update(Pkg);
AddSizes(Pkg);
+ return true;
}
/*}}}*/
// DepCache::IsDeleteOk - check if it is ok to remove this package /*{{{*/
dpkg holds are enforced by the private IsModeChangeOk */
bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge,
unsigned long Depth, bool FromUser)
+{
+ return IsDeleteOkProtectInstallRequests(Pkg, rPurge, Depth, FromUser);
+}
+bool pkgDepCache::IsDeleteOkProtectInstallRequests(PkgIterator const &Pkg,
+ bool const /*rPurge*/, unsigned long const Depth, bool const FromUser)
{
if (FromUser == false && Pkg->CurrentVer == 0)
{
and prevents mode changes for packages on hold for example.
If you want to check Mode specific stuff you can use the virtual public
Is<Mode>Ok methods instead */
-char const* PrintMode(char const mode)
+static char const* PrintMode(char const mode)
{
switch (mode)
{
case pkgDepCache::ModeInstall: return "Install";
case pkgDepCache::ModeKeep: return "Keep";
case pkgDepCache::ModeDelete: return "Delete";
+ case pkgDepCache::ModeGarbage: return "Garbage";
default: return "UNKNOWN";
}
}
return true;
StateCache &P = PkgState[Pkg->ID];
+ // not changing the mode is obviously also fine as we might want to call
+ // e.g. MarkInstall multiple times with different arguments for the same package
+ if (P.Mode == mode)
+ return true;
// if previous state was set by user only user can reset it
if ((P.iFlags & Protected) == Protected)
{
- if (unlikely(DebugMarker == true) && P.Mode != mode)
+ if (unlikely(DebugMarker == true))
std::clog << OutputInDepth(Depth) << "Ignore Mark" << PrintMode(mode)
<< " of " << Pkg << " as its mode (" << PrintMode(P.Mode)
<< ") is protected" << std::endl;
else if (mode != ModeKeep && Pkg->SelectedState == pkgCache::State::Hold &&
_config->FindB("APT::Ignore-Hold",false) == false)
{
- if (unlikely(DebugMarker == true) && P.Mode != mode)
+ if (unlikely(DebugMarker == true))
std::clog << OutputInDepth(Depth) << "Hold prevents Mark" << PrintMode(mode)
<< " of " << Pkg << std::endl;
return false;
// DepCache::MarkInstall - Put the package in the install state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
+struct CompareProviders {
+ pkgCache::PkgIterator const Pkg;
+ CompareProviders(pkgCache::DepIterator const &Dep) : Pkg(Dep.TargetPkg()) {};
+ //bool operator() (APT::VersionList::iterator const &AV, APT::VersionList::iterator const &BV)
+ bool operator() (pkgCache::VerIterator const &AV, pkgCache::VerIterator const &BV)
+ {
+ pkgCache::PkgIterator const A = AV.ParentPkg();
+ pkgCache::PkgIterator const B = BV.ParentPkg();
+ // Prefer MA:same packages if other architectures for it are installed
+ if ((AV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same ||
+ (BV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+ {
+ bool instA = false;
+ if ((AV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+ {
+ pkgCache::GrpIterator Grp = A.Group();
+ for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+ if (P->CurrentVer != 0)
+ {
+ instA = true;
+ break;
+ }
+ }
+ bool instB = false;
+ if ((BV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+ {
+ pkgCache::GrpIterator Grp = B.Group();
+ for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+ {
+ if (P->CurrentVer != 0)
+ {
+ instB = true;
+ break;
+ }
+ }
+ }
+ if (instA != instB)
+ return instA == false;
+ }
+ // Prefer packages in the same group as the target; e.g. foo:i386, foo:amd64
+ if (A->Group != B->Group)
+ {
+ if (A->Group == Pkg->Group && B->Group != Pkg->Group)
+ return false;
+ else if (B->Group == Pkg->Group && A->Group != Pkg->Group)
+ return true;
+ }
+ // we like essentials
+ if ((A->Flags & pkgCache::Flag::Essential) != (B->Flags & pkgCache::Flag::Essential))
+ {
+ if ((A->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
+ return false;
+ else if ((B->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
+ return true;
+ }
+ if ((A->Flags & pkgCache::Flag::Important) != (B->Flags & pkgCache::Flag::Important))
+ {
+ if ((A->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important)
+ return false;
+ else if ((B->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important)
+ return true;
+ }
+ // prefer native architecture
+ if (strcmp(A.Arch(), B.Arch()) != 0)
+ {
+ if (strcmp(A.Arch(), A.Cache()->NativeArch()) == 0)
+ return false;
+ else if (strcmp(B.Arch(), B.Cache()->NativeArch()) == 0)
+ return true;
+ std::vector<std::string> archs = APT::Configuration::getArchitectures();
+ for (std::vector<std::string>::const_iterator a = archs.begin(); a != archs.end(); ++a)
+ if (*a == A.Arch())
+ return false;
+ else if (*a == B.Arch())
+ return true;
+ }
+ // higher priority seems like a good idea
+ if (AV->Priority != BV->Priority)
+ return AV->Priority > BV->Priority;
+ // unable to decide…
+ return A->ID < B->ID;
+ }
+};
+bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
unsigned long Depth, bool FromUser,
bool ForceImportantDeps)
{
if (IsModeChangeOk(ModeInstall, Pkg, Depth, FromUser) == false)
- return;
+ return false;
StateCache &P = PkgState[Pkg->ID];
// See if there is even any possible instalation candidate
if (P.CandidateVer == 0)
- return;
+ return false;
/* Check that it is not already marked for install and that it can be
installed */
P.CandidateVer == (Version *)Pkg.CurrentVer()))
{
if (P.CandidateVer == (Version *)Pkg.CurrentVer() && P.InstallVer == 0)
- MarkKeep(Pkg, false, FromUser, Depth+1);
- return;
+ return MarkKeep(Pkg, false, FromUser, Depth+1);
+ return true;
}
// check if we are allowed to install the package
if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false)
- return;
+ return false;
ActionGroup group(*this);
P.iFlags &= ~AutoKept;
Update(Pkg);
AddSizes(Pkg);
- if (AutoInst == false)
- return;
+ if (AutoInst == false || _config->Find("APT::Solver", "internal") != "internal")
+ return true;
if (DebugMarker == true)
std::clog << OutputInDepth(Depth) << "MarkInstall " << Pkg << " FU=" << FromUser << std::endl;
continue;
/* Check if this dep should be consider for install. If it is a user
- defined important dep and we are installed a new package then
+ defined important dep and we are installed a new package then
it will be installed. Otherwise we only check for important
- deps that have changed from the installed version
- */
+ deps that have changed from the installed version */
if (IsImportantDep(Start) == false)
continue;
- /* If we are in an or group locate the first or that can
- succeed. We have already cached this.. */
+ /* If we are in an or group locate the first or that can
+ succeed. We have already cached this… */
for (; Ors > 1 && (DepState[Start->ID] & DepCVer) != DepCVer; --Ors)
++Start;
+
+ /* unsatisfiable dependency: IsInstallOkDependenciesSatisfiableByCandidates
+ would have prevented us to get here if not overridden, so just skip
+ over the problem here as the frontend will know what it is doing */
if (Ors == 1 && (DepState[Start->ID] &DepCVer) != DepCVer && Start.IsNegative() == false)
- {
- if(DebugAutoInstall == true)
- std::clog << OutputInDepth(Depth) << Start << " can't be satisfied!" << std::endl;
- if (Start.IsCritical() == false)
- continue;
- // if the dependency was critical, we can't install it, so remove it again
- MarkDelete(Pkg,false,Depth + 1, false);
- return;
- }
+ continue;
/* Check if any ImportantDep() (but not Critical) were added
* since we installed the package. Also check for deps that
}
}
- /* This bit is for processing the possibilty of an install/upgrade
- fixing the problem */
- SPtrArray<Version *> List = Start.AllTargets();
- if (Start->Type != Dep::DpkgBreaks &&
- (DepState[Start->ID] & DepCVer) == DepCVer)
+ /* This bit is for processing the possibility of an install/upgrade
+ fixing the problem for "positive" dependencies */
+ if (Start.IsNegative() == false && (DepState[Start->ID] & DepCVer) == DepCVer)
{
- // Right, find the best version to install..
- Version **Cur = List;
- PkgIterator P = Start.TargetPkg();
- PkgIterator InstPkg(*Cache,0);
-
- // See if there are direct matches (at the start of the list)
- for (; *Cur != 0 && (*Cur)->ParentPkg == P.Index(); Cur++)
+ APT::VersionList verlist;
+ pkgCache::VerIterator Cand = PkgState[Start.TargetPkg()->ID].CandidateVerIter(*this);
+ if (Cand.end() == false && Start.IsSatisfied(Cand) == true)
+ verlist.insert(Cand);
+ for (PrvIterator Prv = Start.TargetPkg().ProvidesList(); Prv.end() != true; ++Prv)
{
- PkgIterator Pkg(*Cache,Cache->PkgP + (*Cur)->ParentPkg);
- if (PkgState[Pkg->ID].CandidateVer != *Cur)
+ pkgCache::VerIterator V = Prv.OwnerVer();
+ pkgCache::VerIterator Cand = PkgState[Prv.OwnerPkg()->ID].CandidateVerIter(*this);
+ if (Cand.end() == true || V != Cand || Start.IsSatisfied(Prv) == false)
continue;
- InstPkg = Pkg;
- break;
+ verlist.insert(Cand);
}
+ CompareProviders comp(Start);
- // Select the highest priority providing package
- if (InstPkg.end() == true)
- {
- pkgPrioSortList(*Cache,Cur);
- for (; *Cur != 0; Cur++)
- {
- PkgIterator Pkg(*Cache,Cache->PkgP + (*Cur)->ParentPkg);
- if (PkgState[Pkg->ID].CandidateVer != *Cur)
- continue;
- InstPkg = Pkg;
+ do {
+ APT::VersionList::iterator InstVer = std::max_element(verlist.begin(), verlist.end(), comp);
+
+ if (InstVer == verlist.end())
break;
- }
- }
-
- if (InstPkg.end() == false)
- {
+
+ pkgCache::PkgIterator InstPkg = InstVer.ParentPkg();
if(DebugAutoInstall == true)
std::clog << OutputInDepth(Depth) << "Installing " << InstPkg.Name()
<< " as " << Start.DepType() << " of " << Pkg.Name()
<< std::endl;
- // now check if we should consider it a automatic dependency or not
- if(Pkg.Section() && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", Pkg.Section()))
- {
+ if (MarkInstall(InstPkg, true, Depth + 1, false, ForceImportantDeps) == false)
+ {
+ verlist.erase(InstVer);
+ continue;
+ }
+ // now check if we should consider it a automatic dependency or not
+ if(InstPkg->CurrentVer == 0 && Pkg->Section != 0 && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", Pkg.Section()))
+ {
if(DebugAutoInstall == true)
std::clog << OutputInDepth(Depth) << "Setting NOT as auto-installed (direct "
<< Start.DepType() << " of pkg in APT::Never-MarkAuto-Sections)" << std::endl;
- MarkInstall(InstPkg,true,Depth + 1, true);
- }
- else
- {
- // mark automatic dependency
- MarkInstall(InstPkg,true,Depth + 1, false, ForceImportantDeps);
- // Set the autoflag, after MarkInstall because MarkInstall unsets it
- if (P->CurrentVer == 0)
- PkgState[InstPkg->ID].Flags |= Flag::Auto;
- }
- }
+ MarkAuto(InstPkg, false);
+ }
+ break;
+ } while(true);
continue;
}
-
- /* For conflicts we just de-install the package and mark as auto,
- Conflicts may not have or groups. For dpkg's Breaks we try to
- upgrade the package. */
- if (Start.IsNegative() == true)
+ /* Negative dependencies have no or-group
+ If the dependency isn't versioned, we try if an upgrade might solve the problem.
+ Otherwise we remove the offender if needed */
+ else if (Start.IsNegative() == true && Start->Type != pkgCache::Dep::Obsoletes)
{
+ SPtrArray<Version *> List = Start.AllTargets();
+ pkgCache::PkgIterator TrgPkg = Start.TargetPkg();
for (Version **I = List; *I != 0; I++)
{
VerIterator Ver(*this,*I);
if (PkgState[Pkg->ID].InstallVer == 0)
continue;
- if (PkgState[Pkg->ID].CandidateVer != *I &&
- Start->Type == Dep::DpkgBreaks)
- MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps);
- else
- MarkDelete(Pkg,false,Depth + 1, false);
+ /* Ignore negative dependencies that we are not going to
+ get installed */
+ if (PkgState[Pkg->ID].InstallVer != *I)
+ continue;
+
+ if ((Start->Version != 0 || TrgPkg != Pkg) &&
+ PkgState[Pkg->ID].CandidateVer != PkgState[Pkg->ID].InstallVer &&
+ PkgState[Pkg->ID].CandidateVer != *I &&
+ MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps) == true)
+ continue;
+ else if (Start->Type == pkgCache::Dep::Conflicts ||
+ Start->Type == pkgCache::Dep::DpkgBreaks)
+ {
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth)
+ << " Removing: " << Pkg.Name()
+ << std::endl;
+ if (MarkDelete(Pkg,false,Depth + 1, false) == false)
+ break;
+ }
}
continue;
- }
+ }
}
+
+ return Dep.end() == true;
}
/*}}}*/
// DepCache::IsInstallOk - check if it is ok to install this package /*{{{*/
// ---------------------------------------------------------------------
-/* The default implementation does nothing.
+/* The default implementation checks if the installation of an M-A:same
+ package would lead us into a version-screw and if so forbids it.
dpkg holds are enforced by the private IsModeChangeOk */
bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst,
unsigned long Depth, bool FromUser)
{
+ return IsInstallOkMultiArchSameVersionSynced(Pkg,AutoInst, Depth, FromUser) &&
+ IsInstallOkDependenciesSatisfiableByCandidates(Pkg,AutoInst, Depth, FromUser);
+}
+bool pkgDepCache::IsInstallOkMultiArchSameVersionSynced(PkgIterator const &Pkg,
+ bool const /*AutoInst*/, unsigned long const Depth, bool const FromUser)
+{
+ if (FromUser == true) // as always: user is always right
+ return true;
+
+ // if we have checked before and it was okay, it will still be okay
+ if (PkgState[Pkg->ID].Mode == ModeInstall &&
+ PkgState[Pkg->ID].InstallVer == PkgState[Pkg->ID].CandidateVer)
+ return true;
+
+ // ignore packages with none-M-A:same candidates
+ VerIterator const CandVer = PkgState[Pkg->ID].CandidateVerIter(*this);
+ if (unlikely(CandVer.end() == true) || CandVer == Pkg.CurrentVer() ||
+ (CandVer->MultiArch & pkgCache::Version::Same) != pkgCache::Version::Same)
+ return true;
+
+ GrpIterator const Grp = Pkg.Group();
+ for (PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+ {
+ // not installed or version synced: fine by definition
+ // (simple string-compare as stuff like '1' == '0:1-0' can't happen here)
+ if (P->CurrentVer == 0 || strcmp(Pkg.CandVersion(), P.CandVersion()) == 0)
+ continue;
+ // packages losing M-A:same can be out-of-sync
+ VerIterator CV = PkgState[P->ID].CandidateVerIter(*this);
+ if (unlikely(CV.end() == true) ||
+ (CV->MultiArch & pkgCache::Version::Same) != pkgCache::Version::Same)
+ continue;
+
+ // not downloadable means the package is obsolete, so allow out-of-sync
+ if (CV.Downloadable() == false)
+ continue;
+
+ PkgState[Pkg->ID].iFlags |= AutoKept;
+ if (unlikely(DebugMarker == true))
+ std::clog << OutputInDepth(Depth) << "Ignore MarkInstall of " << Pkg
+ << " as its M-A:same siblings are not version-synced" << std::endl;
+ return false;
+ }
+
+ return true;
+}
+bool pkgDepCache::IsInstallOkDependenciesSatisfiableByCandidates(PkgIterator const &Pkg,
+ bool const AutoInst, unsigned long const Depth, bool const /*FromUser*/)
+{
+ if (AutoInst == false)
+ return true;
+
+ VerIterator const CandVer = PkgState[Pkg->ID].CandidateVerIter(*this);
+ if (unlikely(CandVer.end() == true) || CandVer == Pkg.CurrentVer())
+ return true;
+
+ for (DepIterator Dep = CandVer.DependsList(); Dep.end() != true;)
+ {
+ // Grok or groups
+ DepIterator Start = Dep;
+ bool Result = true;
+ unsigned Ors = 0;
+ for (bool LastOR = true; Dep.end() == false && LastOR == true; ++Dep, ++Ors)
+ {
+ LastOR = (Dep->CompareOp & Dep::Or) == Dep::Or;
+
+ if ((DepState[Dep->ID] & DepInstall) == DepInstall)
+ Result = false;
+ }
+
+ if (Start.IsCritical() == false || Start.IsNegative() == true || Result == false)
+ continue;
+
+ /* If we are in an or group locate the first or that can succeed.
+ We have already cached this… */
+ for (; Ors > 1 && (DepState[Start->ID] & DepCVer) != DepCVer; --Ors)
+ ++Start;
+
+ if (Ors == 1 && (DepState[Start->ID] &DepCVer) != DepCVer)
+ {
+ if (DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << Start << " can't be satisfied!" << std::endl;
+
+ // the dependency is critical, but can't be installed, so discard the candidate
+ // as the problemresolver will trip over it otherwise trying to install it (#735967)
+ if (Pkg->CurrentVer != 0 && (PkgState[Pkg->ID].iFlags & Protected) != Protected)
+ SetCandidateVersion(Pkg.CurrentVer());
+ return false;
+ }
+ }
+
return true;
}
/*}}}*/
if (unlikely(Pkg.end() == true))
return;
+ APT::PackageList pkglist;
+ if (Pkg->CurrentVer != 0 &&
+ (Pkg.CurrentVer()-> MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+ {
+ pkgCache::GrpIterator Grp = Pkg.Group();
+ for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+ {
+ if (P->CurrentVer != 0)
+ pkglist.insert(P);
+ }
+ }
+ else
+ pkglist.insert(Pkg);
+
ActionGroup group(*this);
- RemoveSizes(Pkg);
- RemoveStates(Pkg);
-
- StateCache &P = PkgState[Pkg->ID];
- if (To == true)
- P.iFlags |= ReInstall;
- else
- P.iFlags &= ~ReInstall;
-
- AddStates(Pkg);
- AddSizes(Pkg);
+ for (APT::PackageList::const_iterator Pkg = pkglist.begin(); Pkg != pkglist.end(); ++Pkg)
+ {
+ RemoveSizes(Pkg);
+ RemoveStates(Pkg);
+
+ StateCache &P = PkgState[Pkg->ID];
+ if (To == true)
+ P.iFlags |= ReInstall;
+ else
+ P.iFlags &= ~ReInstall;
+
+ AddStates(Pkg);
+ AddSizes(Pkg);
+ }
}
/*}}}*/
// DepCache::SetCandidateVersion - Change the candidate version /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::SetCandidateVersion(VerIterator TargetVer, bool const &Pseudo)
+void pkgDepCache::SetCandidateVersion(VerIterator TargetVer)
{
pkgCache::PkgIterator Pkg = TargetVer.ParentPkg();
StateCache &P = PkgState[Pkg->ID];
if (Cand.end() == true)
continue;
// check if the current candidate is enough for the versioned dependency - and installable?
- if (VS().CheckDep(P.CandVersion(), Start->CompareOp, Start.TargetVer()) == true &&
+ if (Start.IsSatisfied(Cand) == true &&
(VersionState(Cand.DependsList(), DepInstall, DepCandMin, DepCandPolicy) & DepCandMin) == DepCandMin)
{
itsFine = true;
V = Match.Find(D.TargetPkg());
// check if the version from this release could satisfy the dependency
- if (V.end() == true || VS().CheckDep(V.VerStr(), D->CompareOp, D.TargetVer()) == false)
+ if (V.end() == true || D.IsSatisfied(V) == false)
{
if (stillOr == true)
continue;
if (itsFine == false)
{
// change the candidate
- Changed.push_back(make_pair(oldCand, TargetVer));
+ Changed.push_back(make_pair(V, TargetVer));
if (SetCandidateRelease(V, TargetRel, Changed) == false)
{
if (stillOr == false)
{
/* Not source/not automatic versions cannot be a candidate version
unless they are already installed */
- VerIterator Last(*(pkgCache *)this,0);
+ VerIterator Last;
for (VerIterator I = Pkg.VersionList(); I.end() == false; ++I)
{
return true;
else if(Dep->Type == pkgCache::Dep::Recommends)
{
- if ( _config->FindB("APT::Install-Recommends", false))
+ if (InstallRecommends)
return true;
// we suport a special mode to only install-recommends for certain
// sections
return true;
}
else if(Dep->Type == pkgCache::Dep::Suggests)
- return _config->FindB("APT::Install-Suggests", false);
+ return InstallSuggests;
return false;
}
/*}}}*/
+// Policy::GetPriority - Get the priority of the package pin /*{{{*/
+APT_CONST signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgIterator const &/*Pkg*/)
+{ return 0; }
+APT_CONST signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgFileIterator const &/*File*/)
+{ return 0; }
+ /*}}}*/
pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc() /*{{{*/
{
DefaultRootSetFunc *f = new DefaultRootSetFunc;
// pkgDepCache::MarkRequired - the main mark algorithm /*{{{*/
bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
{
+ if (_config->Find("APT::Solver", "internal") != "internal")
+ return true;
+
bool follow_recommends;
bool follow_suggests;
bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
follow_recommends = MarkFollowsRecommends();
follow_suggests = MarkFollowsSuggests();
-
-
// do the mark part, this is the core bit of the algorithm
for(PkgIterator p = PkgBegin(); !p.end(); ++p)
{
if(!(PkgState[p->ID].Flags & Flag::Auto) ||
(p->Flags & Flag::Essential) ||
+ (p->Flags & Flag::Important) ||
userFunc.InRootSet(p) ||
// be nice even then a required package violates the policy (#583517)
// and do the full mark process also for required packages
(p.CurrentVer().end() != true &&
- p.CurrentVer()->Priority == pkgCache::State::Required))
+ p.CurrentVer()->Priority == pkgCache::State::Required) ||
+ // packages which can't be changed (like holds) can't be garbage
+ (IsModeChangeOk(ModeGarbage, p, 0, false) == false))
{
// the package is installed (and set to keep)
if(PkgState[p->ID].Keep() && !p.CurrentVer().end())
for(VerIterator V = d.TargetPkg().VersionList();
!V.end(); ++V)
{
- if(_system->VS->CheckDep(V.VerStr(), d->CompareOp, d.TargetVer()))
+ if(d.IsSatisfied(V))
{
if(debug_autoremove)
{
for(PrvIterator prv=d.TargetPkg().ProvidesList();
!prv.end(); ++prv)
{
- if(_system->VS->CheckDep(prv.ProvideVersion(), d->CompareOp,
- d.TargetVer()))
+ if(d.IsSatisfied(prv))
{
if(debug_autoremove)
{
projects / apt.git / blobdiff