#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/cachefile.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 <set>
#include <sys/stat.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)
}
/*}}}*/
pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) : /*{{{*/
- cache(cache), released(false)
+ d(NULL), cache(cache), released(false)
{
++cache.group_level;
}
// DepCache::pkgDepCache - Constructors /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgDepCache::pkgDepCache(pkgCache *pCache,Policy *Plcy) :
- group_level(0), Cache(pCache), PkgState(0), DepState(0)
+pkgDepCache::pkgDepCache(pkgCache * const pCache,Policy * const Plcy) :
+ group_level(0), Cache(pCache), PkgState(0), DepState(0),
+ iUsrSize(0), iDownloadSize(0), iInstCount(0), iDelCount(0), iKeepCount(0),
+ iBrokenCount(0), iPolicyBrokenCount(0), iBadCount(0), d(NULL)
{
DebugMarker = _config->FindB("Debug::pkgDepCache::Marker", false);
DebugAutoInstall = _config->FindB("Debug::pkgDepCache::AutoInstall", false);
// DepCache::Init - Generate the initial extra structures. /*{{{*/
// ---------------------------------------------------------------------
/* This allocats the extension buffers and initializes them. */
-bool pkgDepCache::Init(OpProgress *Prog)
+bool pkgDepCache::Init(OpProgress * const Prog)
{
// Suppress mark updates during this operation (just in case) and
// run a mark operation when Init terminates.
PkgState = new StateCache[Head().PackageCount];
DepState = new unsigned char[Head().DependsCount];
memset(PkgState,0,sizeof(*PkgState)*Head().PackageCount);
- memset(DepState,0,sizeof(*DepState)*Head().DependsCount);
+ memset(DepState,0,sizeof(*DepState)*Head().DependsCount);
if (Prog != 0)
{
_("Building dependency tree"));
Prog->SubProgress(Head().PackageCount,_("Candidate versions"));
}
-
+
/* Set the current state of everything. In this state all of the
packages are kept exactly as is. See AllUpgrade */
int Done = 0;
{
if (Prog != 0 && Done%20 == 0)
Prog->Progress(Done);
-
+
// Find the proper cache slot
StateCache &State = PkgState[I->ID];
State.iFlags = 0;
State.CandidateVer = GetCandidateVer(I);
State.InstallVer = I.CurrentVer();
State.Mode = ModeKeep;
-
+
State.Update(I,*this);
- }
-
+ }
+
if (Prog != 0)
{
-
Prog->OverallProgress(Head().PackageCount,2*Head().PackageCount,
Head().PackageCount,
_("Building dependency tree"));
Prog->SubProgress(Head().PackageCount,_("Dependency generation"));
}
-
+
Update(Prog);
if(Prog != 0)
Prog->Done();
return true;
-}
+}
/*}}}*/
-bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/
+bool pkgDepCache::readStateFile(OpProgress * const Prog) /*{{{*/
{
FileFd state_file;
string const state = _config->FindFile("Dir::State::extended_states");
state_file.Open(state, FileFd::ReadOnly);
off_t const file_size = state_file.Size();
if(Prog != NULL)
- Prog->OverallProgress(0, file_size, 1,
+ Prog->OverallProgress(0, file_size, 1,
_("Reading state information"));
pkgTagFile tagfile(&state_file);
return true;
}
/*}}}*/
-bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/
+bool pkgDepCache::writeStateFile(OpProgress * const /*prog*/, bool const InstalledOnly) /*{{{*/
{
bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
FileFd StateFile;
string const state = _config->FindFile("Dir::State::extended_states");
+ if (CreateAPTDirectoryIfNeeded(_config->FindDir("Dir::State"), flNotFile(state)) == false)
+ return false;
// if it does not exist, create a empty one
- if(!RealFileExists(state))
+ if(!RealFileExists(state))
{
StateFile.Open(state, FileFd::WriteAtomic);
StateFile.Close();
return _error->Error(_("Failed to open StateFile %s"),
state.c_str());
- FILE *OutFile;
- string const outfile = state + ".tmp";
- if((OutFile = fopen(outfile.c_str(),"w")) == NULL)
- return _error->Error(_("Failed to write temporary StateFile %s"),
- outfile.c_str());
+ FileFd OutFile(state, FileFd::ReadWrite | FileFd::Atomic);
+ if (OutFile.IsOpen() == false || OutFile.Failed() == true)
+ return _error->Error(_("Failed to write temporary StateFile %s"), state.c_str());
// first merge with the existing sections
pkgTagFile tagfile(&StateFile);
pkgTagSection section;
std::set<string> pkgs_seen;
- const char *nullreorderlist[] = {0};
while(tagfile.Step(section)) {
string const pkgname = section.FindS("Package");
string pkgarch = section.FindS("Architecture");
// Silently ignore unknown packages and packages with no actual
// version.
pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch);
- if(pkg.end() || pkg.VersionList().end())
+ if(pkg.end() || pkg.VersionList().end())
continue;
StateCache const &P = PkgState[pkg->ID];
bool newAuto = (P.Flags & Flag::Auto);
if(_config->FindB("Debug::pkgAutoRemove",false))
std::clog << "Update existing AutoInstall info: "
<< pkg.FullName() << std::endl;
- TFRewriteData rewrite[3];
- rewrite[0].Tag = "Architecture";
- rewrite[0].Rewrite = pkg.Arch();
- rewrite[0].NewTag = 0;
- rewrite[1].Tag = "Auto-Installed";
- rewrite[1].Rewrite = newAuto ? "1" : "0";
- rewrite[1].NewTag = 0;
- rewrite[2].Tag = 0;
- TFRewrite(OutFile, section, nullreorderlist, rewrite);
- fprintf(OutFile,"\n");
+
+ std::vector<pkgTagSection::Tag> rewrite;
+ rewrite.push_back(pkgTagSection::Tag::Rewrite("Architecture", pkg.Arch()));
+ rewrite.push_back(pkgTagSection::Tag::Rewrite("Auto-Installed", newAuto ? "1" : "0"));
+ section.Write(OutFile, NULL, rewrite);
+ if (OutFile.Write("\n", 1) == false)
+ return false;
pkgs_seen.insert(pkg.FullName());
}
-
+
// then write the ones we have not seen yet
- std::ostringstream ostr;
for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end(); ++pkg) {
StateCache const &P = PkgState[pkg->ID];
if(P.Flags & Flag::Auto) {
continue;
if(debug_autoremove)
std::clog << "Writing new AutoInstall: " << pkg.FullName() << std::endl;
- ostr.str(string(""));
- ostr << "Package: " << pkg.Name()
- << "\nArchitecture: " << pkgarch
- << "\nAuto-Installed: 1\n\n";
- fprintf(OutFile,"%s",ostr.str().c_str());
+ std::string stanza = "Package: ";
+ stanza.append(pkg.Name())
+ .append("\nArchitecture: ").append(pkgarch)
+ .append("\nAuto-Installed: 1\n\n");
+ if (OutFile.Write(stanza.c_str(), stanza.length()) == false)
+ return false;
}
}
- fclose(OutFile);
-
- // move the outfile over the real file and set permissions
- rename(outfile.c_str(), state.c_str());
+ if (OutFile.Close() == false)
+ return false;
chmod(state.c_str(), 0644);
-
return true;
}
/*}}}*/
then walks along the package provides list and checks if each provides
will be installed then checks the provides against the dep. Res will be
set to the package which was used to satisfy the dep. */
-bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
+bool pkgDepCache::CheckDep(DepIterator const &Dep,int const Type,PkgIterator &Res)
{
Res = Dep.TargetPkg();
/* 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 (Type == NowVersion)
+ {
+ if (Res->CurrentVer != 0 && Dep.IsSatisfied(Res.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)
+ }
+ else if (Type == InstallVersion)
+ {
+ if (PkgState[Res->ID].InstallVer != 0 &&
+ Dep.IsSatisfied(PkgState[Res->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)
+ }
+ else if (Type == CandidateVersion)
+ if (PkgState[Res->ID].CandidateVer != 0 &&
+ Dep.IsSatisfied(PkgState[Res->ID].CandidateVerIter(*this)) == true)
return true;
}
-
+
if (Dep->Type == Dep::Obsoletes)
return false;
-
+
// 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)
{
if (P.OwnerPkg().CurrentVer() != P.OwnerVer())
continue;
}
-
- if (Type == InstallVersion)
+ else if (Type == InstallVersion)
{
StateCache &State = PkgState[P.OwnerPkg()->ID];
if (State.InstallVer != (Version *)P.OwnerVer())
continue;
}
-
- if (Type == CandidateVersion)
+ else if (Type == CandidateVersion)
{
StateCache &State = PkgState[P.OwnerPkg()->ID];
if (State.CandidateVer != (Version *)P.OwnerVer())
continue;
}
-
+
// Compare the versions.
- if (VS().CheckDep(P.ProvideVersion(),Dep->CompareOp,Dep.TargetVer()) == true)
+ if (Dep.IsSatisfied(P) == true)
{
Res = P.OwnerPkg();
return true;
}
}
-
+
return false;
}
/*}}}*/
{
signed char const Add = (Invert == false) ? 1 : -1;
StateCache &State = PkgState[Pkg->ID];
-
+
// The Package is broken (either minimal dep or policy dep)
if ((State.DepState & DepInstMin) != DepInstMin)
iBrokenCount += Add;
if ((State.DepState & DepInstPolicy) != DepInstPolicy)
iPolicyBrokenCount += Add;
-
+
// Bad state
if (Pkg.State() != PkgIterator::NeedsNothing)
iBadCount += Add;
-
+
// Not installed
if (Pkg->CurrentVer == 0)
{
if (State.Mode == ModeDelete &&
(State.iFlags & Purge) == Purge && Pkg.Purge() == false)
iDelCount += Add;
-
+
if (State.Mode == ModeInstall)
iInstCount += Add;
return;
}
-
+
// Installed, no upgrade
if (State.Status == 0)
- {
+ {
if (State.Mode == ModeDelete)
iDelCount += Add;
else
if ((State.iFlags & ReInstall) == ReInstall)
iInstCount += Add;
-
return;
}
-
+
// Alll 3 are possible
if (State.Mode == ModeDelete)
- iDelCount += Add;
- if (State.Mode == ModeKeep)
+ iDelCount += Add;
+ else if (State.Mode == ModeKeep)
iKeepCount += Add;
- if (State.Mode == ModeInstall)
+ else if (State.Mode == ModeInstall)
iInstCount += Add;
}
/*}}}*/
void pkgDepCache::BuildGroupOrs(VerIterator const &V)
{
unsigned char Group = 0;
-
for (DepIterator D = V.DependsList(); D.end() != true; ++D)
{
// Build the dependency state.
right sense for a conflicts group */
if (D.IsNegative() == true)
State = ~State;
-
+
// Add to the group if we are within an or..
State &= 0x7;
Group |= State;
State |= Group << 3;
if ((D->CompareOp & Dep::Or) != Dep::Or)
Group = 0;
-
+
// Invert for Conflicts
if (D.IsNegative() == true)
State = ~State;
- }
+ }
}
/*}}}*/
// DepCache::VersionState - Perform a pass over a dependency list /*{{{*/
state of the list, filtering it through both a Min check and a Policy
check. The return result will have SetMin/SetPolicy low if a check
fails. It uses the DepState cache for it's computations. */
-unsigned char pkgDepCache::VersionState(DepIterator D,unsigned char Check,
- unsigned char SetMin,
- unsigned char SetPolicy)
+unsigned char pkgDepCache::VersionState(DepIterator D, unsigned char const Check,
+ unsigned char const SetMin,
+ unsigned char const SetPolicy) const
{
unsigned char Dep = 0xFF;
-
while (D.end() != true)
{
- // Compute a single dependency element (glob or)
- DepIterator Start = D;
- unsigned char State = 0;
- for (bool LastOR = true; D.end() == false && LastOR == true; ++D)
- {
- State |= DepState[D->ID];
- LastOR = (D->CompareOp & Dep::Or) == Dep::Or;
- }
-
+ // the last or-dependency has the state of all previous or'ed
+ DepIterator Start, End;
+ D.GlobOr(Start, End);
+ // ignore if we are called with Dep{Install,…} or DepG{Install,…}
+ // the later would be more correct, but the first is what we get
+ unsigned char const State = DepState[End->ID] | (DepState[End->ID] >> 3);
+
// Minimum deps that must be satisfied to have a working package
if (Start.IsCritical() == true)
+ {
if ((State & Check) != Check)
- Dep &= ~SetMin;
-
+ return Dep &= ~(SetMin | SetPolicy);
+ }
// Policy deps that must be satisfied to install the package
- if (IsImportantDep(Start) == true &&
+ else if (IsImportantDep(Start) == true &&
(State & Check) != Check)
Dep &= ~SetPolicy;
}
-
return Dep;
}
/*}}}*/
/* This is the main dependency computation bit. It computes the 3 main
results for a dependencys, Now, Install and Candidate. Callers must
invert the result if dealing with conflicts. */
-unsigned char pkgDepCache::DependencyState(DepIterator &D)
+unsigned char pkgDepCache::DependencyState(DepIterator const &D)
{
unsigned char State = 0;
-
+
if (CheckDep(D,NowVersion) == true)
State |= DepNow;
if (CheckDep(D,InstallVersion) == true)
State |= DepInstall;
if (CheckDep(D,CandidateVersion) == true)
State |= DepCVer;
-
+
return State;
}
/*}}}*/
/* This determines the combined dependency representation of a package
for its two states now and install. This is done by using the pre-generated
dependency information. */
-void pkgDepCache::UpdateVerState(PkgIterator Pkg)
+void pkgDepCache::UpdateVerState(PkgIterator const &Pkg)
{
// Empty deps are always true
StateCache &State = PkgState[Pkg->ID];
// ---------------------------------------------------------------------
/* This will figure out the state of all the packages and all the
dependencies based on the current policy. */
-void pkgDepCache::Update(OpProgress *Prog)
+void pkgDepCache::Update(OpProgress * const Prog)
{
iUsrSize = 0;
iDownloadSize = 0;
- iDelCount = 0;
iInstCount = 0;
+ iDelCount = 0;
iKeepCount = 0;
iBrokenCount = 0;
+ iPolicyBrokenCount = 0;
iBadCount = 0;
// Perform the depends pass
// - 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
ActionGroup group(*this);
+ if (FromUser == false)
+ {
+ VerIterator const PV = P.InstVerIter(*this);
+ if (PV.end() == false)
+ {
+ // removed metapackages mark their dependencies as manual to prevent in "desktop depends browser, texteditor"
+ // the removal of browser to suggest the removal of desktop and texteditor.
+ // We ignore the auto-bit here as we can't deal with metapackage cascardes otherwise.
+ // We do not check for or-groups here as we don't know which package takes care of
+ // providing the feature the user likes e.g.: browser1 | browser2 | browser3
+ // Temporary removals are effected by this as well, which is bad, but unlikely in practice
+ bool const PinNeverMarkAutoSection = (PV->Section != 0 && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", PV.Section()));
+ if (PinNeverMarkAutoSection)
+ {
+ for (DepIterator D = PV.DependsList(); D.end() != true; ++D)
+ {
+ if (D.IsMultiArchImplicit() == true || D.IsNegative() == true || IsImportantDep(D) == false)
+ continue;
+
+ pkgCacheFile CacheFile(this);
+ APT::VersionList verlist = APT::VersionList::FromDependency(CacheFile, D, APT::CacheSetHelper::INSTALLED);
+ for (auto const &V : verlist)
+ {
+ PkgIterator const DP = V.ParentPkg();
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "Setting " << DP.FullName(false) << " NOT as auto-installed (direct "
+ << D.DepType() << " of " << Pkg.FullName(false) << " which is in APT::Never-MarkAuto-Sections)" << std::endl;
+
+ MarkAuto(DP, false);
+ }
+ }
+ }
+ }
+ }
+
if (DebugMarker == true)
std::clog << OutputInDepth(Depth) << (rPurge ? "MarkPurge " : "MarkDelete ") << Pkg << " FU=" << FromUser << std::endl;
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 /*{{{*/
// ---------------------------------------------------------------------
/* */
+struct CompareProviders {
+ pkgCache::PkgIterator const Pkg;
+ explicit 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 (DebugMarker == true)
std::clog << OutputInDepth(Depth) << "MarkInstall " << Pkg << " FU=" << FromUser << std::endl;
- DepIterator Dep = P.InstVerIter(*this).DependsList();
+ bool MoveAutoBitToDependencies = false;
+ VerIterator const PV = P.InstVerIter(*this);
+ if (unlikely(PV.end() == true))
+ return false;
+ else if (PV->Section != 0 && (P.Flags & Flag::Auto) != Flag::Auto)
+ {
+ VerIterator const CurVer = Pkg.CurrentVer();
+ if (CurVer.end() == false && CurVer->Section != 0 && strcmp(CurVer.Section(), PV.Section()) != 0)
+ {
+ bool const CurVerInMoveSection = ConfigValueInSubTree("APT::Move-Autobit-Sections", CurVer.Section());
+ bool const InstVerInMoveSection = ConfigValueInSubTree("APT::Move-Autobit-Sections", PV.Section());
+ MoveAutoBitToDependencies = (CurVerInMoveSection == false && InstVerInMoveSection == true);
+ if (MoveAutoBitToDependencies == true)
+ {
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "Setting " << Pkg.FullName(false) << " as auto-installed, moving manual to its dependencies" << std::endl;
+ MarkAuto(Pkg, true);
+ }
+ }
+ }
+
+ DepIterator Dep = PV.DependsList();
for (; Dep.end() != true;)
{
// Grok or groups
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 false;
- }
+ 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++)
- {
- PkgIterator Pkg(*Cache,Cache->PkgP + (*Cur)->ParentPkg);
- if (PkgState[Pkg->ID].CandidateVer != *Cur)
- continue;
- InstPkg = Pkg;
- break;
- }
+ pkgCacheFile CacheFile(this);
+ APT::VersionList verlist = APT::VersionList::FromDependency(CacheFile, Start, APT::CacheSetHelper::CANDIDATE);
+ 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 && MoveAutoBitToDependencies)
+ {
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;
- }
- }
+ std::clog << OutputInDepth(Depth) << "Setting " << InstPkg.FullName(false) << " NOT as auto-installed (direct "
+ << Start.DepType() << " of " << Pkg.FullName(false) << " which is manual and in APT::Move-Autobit-Sections)" << std::endl;
+ 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 &&
+ /* 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 (MarkDelete(Pkg,false,Depth + 1, false) == false)
- break;
+ 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 self-check: fine by definition
+ if (P->CurrentVer == 0 || P == Pkg)
+ continue;
+
+ // not having a candidate or being in sync
+ // (simple string-compare as stuff like '1' == '0:1-0' can't happen here)
+ VerIterator CV = PkgState[P->ID].CandidateVerIter(*this);
+ if (CV.end() == true || strcmp(Pkg.CandVersion(), CV.VerStr()) == 0)
+ continue;
+
+ // packages losing M-A:same can be out-of-sync
+ if ((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 it is not in sync with its M-A:same sibling " << P
+ << " (" << Pkg.CandVersion() << " != " << CV.VerStr() << ")" << 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 /*{{{*/
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)
return 0;
// Strip any epoch
- for (const char *I = Ver; *I != 0; I++)
- if (*I == ':')
- return I + 1;
- return Ver;
+ char const * const I = strchr(Ver, ':');
+ if (I == nullptr)
+ return Ver;
+ return I + 1;
}
/*}}}*/
// Policy::GetCandidateVer - Returns the Candidate install version /*{{{*/
{
/* 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)
{
for (VerFileIterator J = I.FileList(); J.end() == false; ++J)
{
- if ((J.File()->Flags & Flag::NotSource) != 0)
+ if (J.File().Flagged(Flag::NotSource))
continue;
/* Stash the highest version of a not-automatic source, we use it
if there is nothing better */
- if ((J.File()->Flags & Flag::NotAutomatic) != 0 ||
- (J.File()->Flags & Flag::ButAutomaticUpgrades) != 0)
+ if (J.File().Flagged(Flag::NotAutomatic) ||
+ J.File().Flagged(Flag::ButAutomaticUpgrades))
{
if (Last.end() == true)
Last = I;
// Policy::IsImportantDep - True if the dependency is important /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep)
+bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep) const
{
if(Dep.IsCritical())
return true;
- else if(Dep->Type == pkgCache::Dep::Recommends)
+ else if(Dep->Type == pkgCache::Dep::Recommends)
{
if (InstallRecommends)
return true;
// we suport a special mode to only install-recommends for certain
// sections
- // FIXME: this is a meant as a temporarly solution until the
+ // FIXME: this is a meant as a temporarly solution until the
// recommends are cleaned up
const char *sec = Dep.ParentVer().Section();
if (sec && ConfigValueInSubTree("APT::Install-Recommends-Sections", sec))
}
/*}}}*/
// Policy::GetPriority - Get the priority of the package pin /*{{{*/
-signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgIterator const &Pkg)
-{ return 0; };
-signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgFileIterator const &File)
-{ return 0; };
+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() /*{{{*/
{
if (_config->Find("APT::Solver", "internal") != "internal")
return true;
- bool follow_recommends;
- bool follow_suggests;
- bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+ bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
// init the states
- for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+ map_id_t const PackagesCount = Head().PackageCount;
+ for(map_id_t i = 0; i < PackagesCount; ++i)
{
- PkgState[p->ID].Marked = false;
- PkgState[p->ID].Garbage = false;
-
- // debug output
- if(debug_autoremove && PkgState[p->ID].Flags & Flag::Auto)
- std::clog << "AutoDep: " << p.FullName() << std::endl;
+ PkgState[i].Marked = false;
+ PkgState[i].Garbage = false;
}
+ if (debug_autoremove)
+ for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+ if(PkgState[p->ID].Flags & Flag::Auto)
+ std::clog << "AutoDep: " << p.FullName() << std::endl;
- // init vars
- follow_recommends = MarkFollowsRecommends();
- follow_suggests = MarkFollowsSuggests();
-
-
+ bool const follow_recommends = MarkFollowsRecommends();
+ bool const 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)
{
return true;
}
/*}}}*/
+// DepCache::MarkAndSweep /*{{{*/
+bool pkgDepCache::MarkAndSweep(InRootSetFunc &rootFunc)
+{
+ return MarkRequired(rootFunc) && Sweep();
+}
+bool pkgDepCache::MarkAndSweep()
+{
+ std::auto_ptr<InRootSetFunc> f(GetRootSetFunc());
+ if(f.get() != NULL)
+ return MarkAndSweep(*f.get());
+ else
+ return false;
+}
+ /*}}}*/
projects / apt.git / blobdiff