// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: depcache.cc,v 1.18 1999/04/28 22:48:45 jgg Exp $
+// $Id: depcache.cc,v 1.25 2001/05/27 05:36:04 jgg Exp $
/* ######################################################################
Dependency Cache - Caches Dependency information.
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/depcache.h"
-#endif
-#include <apt-pkg/depcache.h>
+#include<config.h>
-#include <apt-pkg/version.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/versionmatch.h>
#include <apt-pkg/error.h>
+#include <apt-pkg/sptr.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.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 <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)
+{
+ Configuration::Item const *Opts;
+ Opts = _config->Tree(SubTree);
+ if (Opts != 0 && Opts->Child != 0)
+ {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+ if (strcmp(needle, Opts->Value.c_str()) == 0)
+ return true;
+ }
+ }
+ return false;
+}
/*}}}*/
+pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) : /*{{{*/
+ cache(cache), released(false)
+{
+ ++cache.group_level;
+}
+
+void pkgDepCache::ActionGroup::release()
+{
+ if(!released)
+ {
+ if(cache.group_level == 0)
+ std::cerr << "W: Unbalanced action groups, expect badness" << std::endl;
+ else
+ {
+ --cache.group_level;
+
+ if(cache.group_level == 0)
+ cache.MarkAndSweep();
+ }
+
+ released = true;
+ }
+}
+pkgDepCache::ActionGroup::~ActionGroup()
+{
+ release();
+}
+ /*}}}*/
// DepCache::pkgDepCache - Constructors /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgDepCache::pkgDepCache(MMap &Map,OpProgress &Prog) :
- pkgCache(Map), PkgState(0), DepState(0)
+pkgDepCache::pkgDepCache(pkgCache *pCache,Policy *Plcy) :
+ group_level(0), Cache(pCache), PkgState(0), DepState(0)
{
- if (_error->PendingError() == false)
- Init(&Prog);
-}
-pkgDepCache::pkgDepCache(MMap &Map) :
- pkgCache(Map), PkgState(0), DepState(0)
-{
- if (_error->PendingError() == false)
- Init(0);
+ DebugMarker = _config->FindB("Debug::pkgDepCache::Marker", false);
+ DebugAutoInstall = _config->FindB("Debug::pkgDepCache::AutoInstall", false);
+ delLocalPolicy = 0;
+ LocalPolicy = Plcy;
+ if (LocalPolicy == 0)
+ delLocalPolicy = LocalPolicy = new Policy;
}
/*}}}*/
// DepCache::~pkgDepCache - Destructor /*{{{*/
{
delete [] PkgState;
delete [] DepState;
+ delete delLocalPolicy;
}
/*}}}*/
// DepCache::Init - Generate the initial extra structures. /*{{{*/
/* This allocats the extension buffers and initializes them. */
bool pkgDepCache::Init(OpProgress *Prog)
{
+ // Suppress mark updates during this operation (just in case) and
+ // run a mark operation when Init terminates.
+ ActionGroup actions(*this);
+
delete [] PkgState;
delete [] DepState;
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);
-
+
if (Prog != 0)
{
Prog->OverallProgress(0,2*Head().PackageCount,Head().PackageCount,
- "Building Dependency Tree");
- Prog->SubProgress(Head().PackageCount,"Candidate Versions");
+ _("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;
- for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++)
+ for (PkgIterator I = PkgBegin(); I.end() != true; ++I, ++Done)
{
- if (Prog != 0)
+ if (Prog != 0 && Done%20 == 0)
Prog->Progress(Done);
// Find the proper cache slot
StateCache &State = PkgState[I->ID];
State.iFlags = 0;
-
+
// Figure out the install version
State.CandidateVer = GetCandidateVer(I);
State.InstallVer = I.CurrentVer();
Prog->OverallProgress(Head().PackageCount,2*Head().PackageCount,
Head().PackageCount,
- "Building Dependency Tree");
- Prog->SubProgress(Head().PackageCount,"Dependency Generation");
+ _("Building dependency tree"));
+ Prog->SubProgress(Head().PackageCount,_("Dependency generation"));
}
Update(Prog);
-
+
+ if(Prog != 0)
+ Prog->Done();
+
return true;
}
/*}}}*/
-// DepCache::GetCandidateVer - Returns the Candidate install version /*{{{*/
-// ---------------------------------------------------------------------
-/* The default just returns the target version if it exists or the
- highest version. */
-pkgDepCache::VerIterator pkgDepCache::GetCandidateVer(PkgIterator Pkg,
- bool AllowCurrent)
-{
- // Try to use an explicit target
- if (Pkg->TargetVer == 0 ||
- (AllowCurrent == false && Pkg.TargetVer() == Pkg.CurrentVer()))
- return pkgCache::GetCandidateVer(Pkg,AllowCurrent);
- else
- return Pkg.TargetVer();
+bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/
+{
+ FileFd state_file;
+ string const state = _config->FindFile("Dir::State::extended_states");
+ if(RealFileExists(state)) {
+ state_file.Open(state, FileFd::ReadOnly);
+ 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;
+ off_t amt = 0;
+ bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+ while(tagfile.Step(section)) {
+ string const pkgname = section.FindS("Package");
+ string pkgarch = section.FindS("Architecture");
+ if (pkgarch.empty() == true)
+ pkgarch = "any";
+ pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch);
+ // Silently ignore unknown packages and packages with no actual version.
+ if(pkg.end() == true || pkg->VersionList == 0)
+ continue;
+
+ short const reason = section.FindI("Auto-Installed", 0);
+ if(reason > 0)
+ {
+ PkgState[pkg->ID].Flags |= Flag::Auto;
+ if (unlikely(debug_autoremove))
+ std::clog << "Auto-Installed : " << pkg.FullName() << std::endl;
+ if (pkgarch == "any")
+ {
+ pkgCache::GrpIterator G = pkg.Group();
+ for (pkg = G.NextPkg(pkg); pkg.end() != true; pkg = G.NextPkg(pkg))
+ if (pkg->VersionList != 0)
+ PkgState[pkg->ID].Flags |= Flag::Auto;
+ }
+ }
+ amt += section.size();
+ if(Prog != NULL)
+ Prog->OverallProgress(amt, file_size, 1,
+ _("Reading state information"));
+ }
+ if(Prog != NULL)
+ Prog->OverallProgress(file_size, file_size, 1,
+ _("Reading state information"));
+ }
+
+ return true;
}
/*}}}*/
-// DepCache::IsImportantDep - True if the dependency is important /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool pkgDepCache::IsImportantDep(DepIterator Dep)
+bool pkgDepCache::writeStateFile(OpProgress * /*prog*/, bool InstalledOnly) /*{{{*/
{
- return Dep.IsCritical();
+ bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+
+ if(debug_autoremove)
+ std::clog << "pkgDepCache::writeStateFile()" << std::endl;
+
+ FileFd StateFile;
+ string const state = _config->FindFile("Dir::State::extended_states");
+
+ // if it does not exist, create a empty one
+ if(!RealFileExists(state))
+ {
+ StateFile.Open(state, FileFd::WriteAtomic);
+ StateFile.Close();
+ }
+
+ // open it
+ if(!StateFile.Open(state, FileFd::ReadOnly))
+ 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());
+
+ // 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");
+ if (pkgarch.empty() == true)
+ pkgarch = "native";
+ // Silently ignore unknown packages and packages with no actual
+ // version.
+ pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch);
+ if(pkg.end() || pkg.VersionList().end())
+ continue;
+ StateCache const &P = PkgState[pkg->ID];
+ bool newAuto = (P.Flags & Flag::Auto);
+ // skip not installed or now-removed ones if requested
+ if (InstalledOnly && (
+ (pkg->CurrentVer == 0 && P.Mode != ModeInstall) ||
+ (pkg->CurrentVer != 0 && P.Mode == ModeDelete)))
+ {
+ // The section is obsolete if it contains no other tag
+ unsigned int const count = section.Count();
+ if (count < 2 ||
+ (count == 2 && section.Exists("Auto-Installed")) ||
+ (count == 3 && section.Exists("Auto-Installed") && section.Exists("Architecture")))
+ continue;
+ else
+ newAuto = false;
+ }
+ 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");
+ 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) {
+ if (pkgs_seen.find(pkg.FullName()) != pkgs_seen.end()) {
+ if(debug_autoremove)
+ std::clog << "Skipping already written " << pkg.FullName() << std::endl;
+ continue;
+ }
+ // skip not installed ones if requested
+ if (InstalledOnly && (
+ (pkg->CurrentVer == 0 && P.Mode != ModeInstall) ||
+ (pkg->CurrentVer != 0 && P.Mode == ModeDelete)))
+ continue;
+ const char* const pkgarch = pkg.Arch();
+ if (strcmp(pkgarch, "all") == 0)
+ 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());
+ }
+ }
+ fclose(OutFile);
+
+ // move the outfile over the real file and set permissions
+ rename(outfile.c_str(), state.c_str());
+ chmod(state.c_str(), 0644);
+
+ return true;
}
/*}}}*/
-
// DepCache::CheckDep - Checks a single dependency /*{{{*/
// ---------------------------------------------------------------------
/* This first checks the dependency against the main target package and
/* 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->Type != Dep::Conflicts)
+ if (Dep.IsIgnorable(Res) == false)
{
PkgIterator Pkg = Dep.TargetPkg();
// Check the base package
if (Type == NowVersion && Pkg->CurrentVer != 0)
- if (pkgCheckDep(Dep.TargetVer(),
- Pkg.CurrentVer().VerStr(),Dep->CompareOp) == true)
+ if (Dep.IsSatisfied(Pkg.CurrentVer()) == true)
return true;
if (Type == InstallVersion && PkgState[Pkg->ID].InstallVer != 0)
- if (pkgCheckDep(Dep.TargetVer(),
- PkgState[Pkg->ID].InstVerIter(*this).VerStr(),
- Dep->CompareOp) == true)
+ if (Dep.IsSatisfied(PkgState[Pkg->ID].InstVerIter(*this)) == true)
return true;
if (Type == CandidateVersion && PkgState[Pkg->ID].CandidateVer != 0)
- if (pkgCheckDep(Dep.TargetVer(),
- PkgState[Pkg->ID].CandidateVerIter(*this).VerStr(),
- Dep->CompareOp) == true)
+ if (Dep.IsSatisfied(PkgState[Pkg->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++)
+ for (; P.end() != true; ++P)
{
- /* Provides may never be applied against the same package if it is
- a conflicts. See the comment above. */
- if (P.OwnerPkg() == Pkg && Dep->Type == Dep::Conflicts)
+ if (Dep.IsIgnorable(P) == true)
continue;
-
+
// Check if the provides is a hit
if (Type == NowVersion)
{
}
// Compare the versions.
- if (pkgCheckDep(Dep.TargetVer(),P.ProvideVersion(),Dep->CompareOp) == 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 */
-void pkgDepCache::AddSizes(const PkgIterator &Pkg,long Mult)
+/* Call with Inverse = true to preform the inverse opration */
+void pkgDepCache::AddSizes(const PkgIterator &Pkg, bool const Inverse)
{
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 += Mult*P.InstVerIter(*this)->InstalledSize;
- iDownloadSize += Mult*P.InstVerIter(*this)->Size;
+ if (Inverse == false) {
+ iUsrSize += P.InstVerIter(*this)->InstalledSize;
+ iDownloadSize += P.InstVerIter(*this)->Size;
+ } else {
+ iUsrSize -= P.InstVerIter(*this)->InstalledSize;
+ iDownloadSize -= P.InstVerIter(*this)->Size;
+ }
return;
}
// Upgrading
- if (Pkg->CurrentVer != 0 && P.InstallVer != (Version *)Pkg.CurrentVer() &&
- P.InstallVer != 0)
+ if (Pkg->CurrentVer != 0 &&
+ (P.InstallVer != (Version *)Pkg.CurrentVer() ||
+ (P.iFlags & ReInstall) == ReInstall) && P.InstallVer != 0)
{
- iUsrSize += Mult*((signed)P.InstVerIter(*this)->InstalledSize -
- (signed)Pkg.CurrentVer()->InstalledSize);
- iDownloadSize += Mult*P.InstVerIter(*this)->Size;
+ if (Inverse == false) {
+ iUsrSize -= Pkg.CurrentVer()->InstalledSize;
+ iUsrSize += P.InstVerIter(*this)->InstalledSize;
+ iDownloadSize += P.InstVerIter(*this)->Size;
+ } else {
+ iUsrSize -= P.InstVerIter(*this)->InstalledSize;
+ iUsrSize += Pkg.CurrentVer()->InstalledSize;
+ iDownloadSize -= P.InstVerIter(*this)->Size;
+ }
return;
}
if (Pkg.State() == pkgCache::PkgIterator::NeedsUnpack &&
P.Delete() == false)
{
- iDownloadSize += Mult*P.InstVerIter(*this)->Size;
+ if (Inverse == false)
+ iDownloadSize += P.InstVerIter(*this)->Size;
+ else
+ iDownloadSize -= P.InstVerIter(*this)->Size;
return;
}
// Removing
if (Pkg->CurrentVer != 0 && P.InstallVer == 0)
{
- iUsrSize -= Mult*Pkg.CurrentVer()->InstalledSize;
+ if (Inverse == false)
+ iUsrSize -= Pkg.CurrentVer()->InstalledSize;
+ else
+ iUsrSize += Pkg.CurrentVer()->InstalledSize;
return;
}
}
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
+ // 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)
// 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.Upgradable() == false)
- {
+ if (State.Status == 0)
+ {
if (State.Mode == ModeDelete)
iDelCount += Add;
+ else
+ if ((State.iFlags & ReInstall) == ReInstall)
+ iInstCount += Add;
+
return;
}
{
unsigned char Group = 0;
- for (DepIterator D = V.DependsList(); D.end() != true; D++)
+ for (DepIterator D = V.DependsList(); D.end() != true; ++D)
{
// Build the dependency state.
unsigned char &State = DepState[D->ID];
/* Invert for Conflicts. We have to do this twice to get the
right sense for a conflicts group */
- if (D->Type == Dep::Conflicts)
+ if (D.IsNegative() == true)
State = ~State;
// Add to the group if we are within an or..
Group = 0;
// Invert for Conflicts
- if (D->Type == Dep::Conflicts)
+ if (D.IsNegative() == true)
State = ~State;
}
}
// Compute a single dependency element (glob or)
DepIterator Start = D;
unsigned char State = 0;
- for (bool LastOR = true; D.end() == false && LastOR == true; D++)
+ for (bool LastOR = true; D.end() == false && LastOR == true; ++D)
{
State |= DepState[D->ID];
LastOR = (D->CompareOp & Dep::Or) == Dep::Or;
iKeepCount = 0;
iBrokenCount = 0;
iBadCount = 0;
-
+
// Perform the depends pass
int Done = 0;
- for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++)
+ for (PkgIterator I = PkgBegin(); I.end() != true; ++I, ++Done)
{
if (Prog != 0 && Done%20 == 0)
Prog->Progress(Done);
- for (VerIterator V = I.VersionList(); V.end() != true; V++)
+ for (VerIterator V = I.VersionList(); V.end() != true; ++V)
{
unsigned char Group = 0;
-
- for (DepIterator D = V.DependsList(); D.end() != true; D++)
+
+ for (DepIterator D = V.DependsList(); D.end() != true; ++D)
{
// Build the dependency state.
unsigned char &State = DepState[D->ID];
- State = DependencyState(D);;
+ State = DependencyState(D);
// Add to the group if we are within an or..
Group |= State;
Group = 0;
// Invert for Conflicts
- if (D->Type == Dep::Conflicts)
+ if (D.IsNegative() == true)
State = ~State;
- }
+ }
}
- // Compute the pacakge dependency state and size additions
+ // Compute the package dependency state and size additions
AddSizes(I);
UpdateVerState(I);
AddStates(I);
}
- if (Prog != 0)
+ if (Prog != 0)
Prog->Progress(Done);
+
+ readStateFile(Prog);
}
/*}}}*/
// DepCache::Update - Update the deps list of a package /*{{{*/
// ---------------------------------------------------------------------
/* This is a helper for update that only does the dep portion of the scan.
- It is mainly ment to scan reverse dependencies. */
+ It is mainly meant to scan reverse dependencies. */
void pkgDepCache::Update(DepIterator D)
{
// Update the reverse deps
- for (;D.end() != true; D++)
+ for (;D.end() != true; ++D)
{
unsigned char &State = DepState[D->ID];
State = DependencyState(D);
// Invert for Conflicts
- if (D->Type == Dep::Conflicts)
+ if (D.IsNegative() == true)
State = ~State;
-
+
RemoveStates(D.ParentPkg());
BuildGroupOrs(D.ParentVer());
UpdateVerState(D.ParentPkg());
/* This is called whenever the state of a package changes. It updates
all cached dependencies related to this package. */
void pkgDepCache::Update(PkgIterator const &Pkg)
-{
+{
// Recompute the dep of the package
RemoveStates(Pkg);
UpdateVerState(Pkg);
// Update the provides map for the current ver
if (Pkg->CurrentVer != 0)
for (PrvIterator P = Pkg.CurrentVer().ProvidesList();
- P.end() != true; P++)
+ P.end() != true; ++P)
Update(P.ParentPkg().RevDependsList());
// Update the provides map for the candidate ver
- for (PrvIterator P = PkgState[Pkg->ID].CandidateVerIter(*this).ProvidesList();
- P.end() != true; P++)
- Update(P.ParentPkg().RevDependsList());
+ if (PkgState[Pkg->ID].CandidateVer != 0)
+ for (PrvIterator P = PkgState[Pkg->ID].CandidateVerIter(*this).ProvidesList();
+ P.end() != true; ++P)
+ Update(P.ParentPkg().RevDependsList());
}
-
/*}}}*/
-
// DepCache::MarkKeep - Put the package in the keep state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkKeep(PkgIterator const &Pkg,bool Soft)
+bool pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
+ unsigned long Depth)
{
- // Simplifies other routines.
- if (Pkg.end() == true)
- return;
+ if (IsModeChangeOk(ModeKeep, Pkg, Depth, FromUser) == false)
+ 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 */
StateCache &P = PkgState[Pkg->ID];
+
+ // Check that it is not already kept
+ if (P.Mode == ModeKeep)
+ return true;
+
if (Soft == true)
P.iFlags |= AutoKept;
else
P.iFlags &= ~AutoKept;
-
- // Check that it is not already kept
- if (P.Mode == ModeKeep)
- return;
- // We dont even try to keep virtual packages..
- if (Pkg->VersionList == 0)
- return;
-
- P.Flags &= ~Flag::Auto;
+ ActionGroup group(*this);
+
+#if 0 // reseting the autoflag here means we lose the
+ // auto-mark information if a user selects a package for removal
+ // but changes his mind then and sets it for keep again
+ // - 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 surprising
+ if(FromUser && !P.Marked)
+ P.Flags &= ~Flag::Auto;
+#endif
+
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << "MarkKeep " << Pkg << " FU=" << FromUser << std::endl;
+
RemoveSizes(Pkg);
RemoveStates(Pkg);
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 pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
+ unsigned long Depth, bool FromUser)
{
- // Simplifies other routines.
- if (Pkg.end() == true)
- return;
+ if (IsModeChangeOk(ModeDelete, Pkg, Depth, FromUser) == false)
+ return false;
- // Check that it is not already marked for delete
StateCache &P = PkgState[Pkg->ID];
- P.iFlags &= ~AutoKept;
- if (P.Mode == ModeDelete || P.InstallVer == 0)
- return;
- // We dont even try to delete virtual packages..
- if (Pkg->VersionList == 0)
- return;
+ // Check that it is not already marked for delete
+ if ((P.Mode == ModeDelete || P.InstallVer == 0) &&
+ (Pkg.Purge() == true || rPurge == false))
+ return true;
+
+ // check if we are allowed to remove the package
+ if (IsDeleteOk(Pkg,rPurge,Depth,FromUser) == false)
+ return false;
+
+ P.iFlags &= ~(AutoKept | Purge);
+ if (rPurge == true)
+ P.iFlags |= Purge;
+
+ ActionGroup group(*this);
+
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << (rPurge ? "MarkPurge " : "MarkDelete ") << Pkg << " FU=" << FromUser << std::endl;
RemoveSizes(Pkg);
RemoveStates(Pkg);
- if (Pkg->CurrentVer == 0)
+ if (Pkg->CurrentVer == 0 && (Pkg.Purge() == true || rPurge == false))
P.Mode = ModeKeep;
else
P.Mode = ModeDelete;
P.InstallVer = 0;
- P.Flags &= Flag::Auto;
AddStates(Pkg);
Update(Pkg);
AddSizes(Pkg);
+
+ return true;
+}
+ /*}}}*/
+// DepCache::IsDeleteOk - check if it is ok to remove this package /*{{{*/
+// ---------------------------------------------------------------------
+/* The default implementation tries to prevent deletion of install requests.
+ 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)
+ {
+ StateCache &P = PkgState[Pkg->ID];
+ if (P.InstallVer != 0 && P.Status == 2 && (P.Flags & Flag::Auto) != Flag::Auto)
+ {
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << "Manual install request prevents MarkDelete of " << Pkg << std::endl;
+ return false;
+ }
+ }
+ return true;
+}
+ /*}}}*/
+// DepCache::IsModeChangeOk - check if it is ok to change the mode /*{{{*/
+// ---------------------------------------------------------------------
+/* this is used by all Mark methods on the very first line to check sanity
+ 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 */
+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";
+ }
+}
+bool pkgDepCache::IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg,
+ unsigned long const Depth, bool const FromUser)
+{
+ // we are not trying to hard…
+ if (unlikely(Depth > 100))
+ return false;
+
+ // general sanity
+ if (unlikely(Pkg.end() == true || Pkg->VersionList == 0))
+ return false;
+
+ // the user is always right
+ if (FromUser == true)
+ 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))
+ std::clog << OutputInDepth(Depth) << "Ignore Mark" << PrintMode(mode)
+ << " of " << Pkg << " as its mode (" << PrintMode(P.Mode)
+ << ") is protected" << std::endl;
+ return false;
+ }
+ // enforce dpkg holds
+ else if (mode != ModeKeep && Pkg->SelectedState == pkgCache::State::Hold &&
+ _config->FindB("APT::Ignore-Hold",false) == false)
+ {
+ if (unlikely(DebugMarker == true))
+ std::clog << OutputInDepth(Depth) << "Hold prevents Mark" << PrintMode(mode)
+ << " of " << Pkg << std::endl;
+ return false;
+ }
+
+ return true;
}
/*}}}*/
// DepCache::MarkInstall - Put the package in the install state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst)
-{
- // Simplifies other routines.
- if (Pkg.end() == true)
- return;
-
+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 false;
+
+ StateCache &P = PkgState[Pkg->ID];
+
+ // See if there is even any possible instalation candidate
+ if (P.CandidateVer == 0)
+ return false;
+
/* Check that it is not already marked for install and that it can be
installed */
- StateCache &P = PkgState[Pkg->ID];
- P.iFlags &= ~AutoKept;
- if (P.InstBroken() == false && (P.Mode == ModeInstall ||
+ if ((P.InstPolicyBroken() == false && P.InstBroken() == false) &&
+ (P.Mode == ModeInstall ||
P.CandidateVer == (Version *)Pkg.CurrentVer()))
{
if (P.CandidateVer == (Version *)Pkg.CurrentVer() && P.InstallVer == 0)
- MarkKeep(Pkg);
- return;
+ return MarkKeep(Pkg, false, FromUser, Depth+1);
+ return true;
}
-
- // We dont even try to install virtual packages..
- if (Pkg->VersionList == 0)
- return;
-
+
+ // check if we are allowed to install the package
+ if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false)
+ return false;
+
+ ActionGroup group(*this);
+ P.iFlags &= ~AutoKept;
+
/* Target the candidate version and remove the autoflag. We reset the
autoflag below if this was called recursively. Otherwise the user
should have the ability to de-auto a package by changing its state */
P.Mode = ModeInstall;
P.InstallVer = P.CandidateVer;
- P.Flags &= ~Flag::Auto;
+
+ if(FromUser)
+ {
+ // Set it to manual if it's a new install or already installed,
+ // but only if its not marked by the autoremover (aptitude depend on this behavior)
+ // or if we do automatic installation (aptitude never does it)
+ if(P.Status == 2 || (Pkg->CurrentVer != 0 && (AutoInst == true || P.Marked == false)))
+ P.Flags &= ~Flag::Auto;
+ }
+ else
+ {
+ // Set it to auto if this is a new install.
+ if(P.Status == 2)
+ P.Flags |= Flag::Auto;
+ }
if (P.CandidateVer == (Version *)Pkg.CurrentVer())
P.Mode = ModeKeep;
AddStates(Pkg);
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;
DepIterator Dep = P.InstVerIter(*this).DependsList();
for (; Dep.end() != true;)
// Grok or groups
DepIterator Start = Dep;
bool Result = true;
- for (bool LastOR = true; Dep.end() == false && LastOR == true; Dep++)
+ unsigned Ors = 0;
+ for (bool LastOR = true; Dep.end() == false && LastOR == true; ++Dep, ++Ors)
{
LastOR = (Dep->CompareOp & Dep::Or) == Dep::Or;
/* 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
- it will be installed. Otherwise we only worry about critical deps */
+ it will be installed. Otherwise we only check for important
+ deps that have changed from the installed version
+ */
if (IsImportantDep(Start) == false)
continue;
- if (Pkg->CurrentVer != 0 && Start.IsCritical() == false)
- continue;
- // Now we have to take action...
- PkgIterator P = Start.SmartTargetPkg();
- if ((DepState[Start->ID] & DepCVer) == DepCVer)
+ /* 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 && Start.IsNegative() == false)
{
- MarkInstall(P,true);
-
- // Set the autoflag, after MarkInstall because MarkInstall unsets it
- if (P->CurrentVer == 0)
- PkgState[P->ID].Flags |= Flag::Auto;
+ 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 have absolutely no chance to install it,
+ // so if it wasn't installed remove it again. If it was, discard the candidate
+ // as the problemresolver will trip over it otherwise trying to install it (#735967)
+ if (Pkg->CurrentVer == 0)
+ MarkDelete(Pkg,false,Depth + 1, false);
+ else
+ SetCandidateVersion(Pkg.CurrentVer());
+ return false;
+ }
+ /* Check if any ImportantDep() (but not Critical) were added
+ * since we installed the package. Also check for deps that
+ * were satisfied in the past: for instance, if a version
+ * restriction in a Recommends was tightened, upgrading the
+ * package should follow that Recommends rather than causing the
+ * dependency to be removed. (bug #470115)
+ */
+ if (Pkg->CurrentVer != 0 && ForceImportantDeps == false && Start.IsCritical() == false)
+ {
+ bool isNewImportantDep = true;
+ bool isPreviouslySatisfiedImportantDep = false;
+ for (DepIterator D = Pkg.CurrentVer().DependsList(); D.end() != true; ++D)
+ {
+ //FIXME: Should we handle or-group better here?
+ // We do not check if the package we look for is part of the same or-group
+ // we might find while searching, but could that really be a problem?
+ if (D.IsCritical() == true || IsImportantDep(D) == false ||
+ Start.TargetPkg() != D.TargetPkg())
+ continue;
+
+ isNewImportantDep = false;
+
+ while ((D->CompareOp & Dep::Or) != 0)
+ ++D;
+
+ isPreviouslySatisfiedImportantDep = (((*this)[D] & DepGNow) != 0);
+ if (isPreviouslySatisfiedImportantDep == true)
+ break;
+ }
+
+ if(isNewImportantDep == true)
+ {
+ if (DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "new important dependency: "
+ << Start.TargetPkg().FullName() << std::endl;
+ }
+ else if(isPreviouslySatisfiedImportantDep == true)
+ {
+ if (DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "previously satisfied important dependency on "
+ << Start.TargetPkg().FullName() << std::endl;
+ }
+ else
+ {
+ if (DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "ignore old unsatisfied important dependency on "
+ << Start.TargetPkg().FullName() << std::endl;
+ continue;
+ }
+ }
+
+ /* 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)
+ {
+ 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)
+ {
+ 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;
+ verlist.insert(Cand);
+ }
+ CompareProviders comp(Start);
+
+ do {
+ APT::VersionList::iterator InstVer = std::max_element(verlist.begin(), verlist.end(), comp);
+
+ if (InstVer == verlist.end())
+ break;
+
+ pkgCache::PkgIterator InstPkg = InstVer.ParentPkg();
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "Installing " << InstPkg.Name()
+ << " as " << Start.DepType() << " of " << Pkg.Name()
+ << std::endl;
+ 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;
+ MarkAuto(InstPkg, false);
+ }
+ break;
+ } while(true);
continue;
}
-
- // For conflicts we just de-install the package and mark as auto
- if (Start->Type == Dep::Conflicts)
+ /* 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)
{
- Version **List = Start.AllTargets();
+ SPtrArray<Version *> List = Start.AllTargets();
+ pkgCache::PkgIterator TrgPkg = Start.TargetPkg();
for (Version **I = List; *I != 0; I++)
{
VerIterator Ver(*this,*I);
PkgIterator Pkg = Ver.ParentPkg();
-
- MarkDelete(Pkg);
- PkgState[Pkg->ID].Flags |= Flag::Auto;
+
+ /* The List includes all packages providing this dependency,
+ even providers which are not installed, so skip them. */
+ if (PkgState[Pkg->ID].InstallVer == 0)
+ continue;
+
+ /* 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 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);
+}
+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;
+}
+ /*}}}*/
+// DepCache::SetReInstall - Set the reinstallation flag /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To)
+{
+ 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);
+
+ 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)
+{
+ pkgCache::PkgIterator Pkg = TargetVer.ParentPkg();
+ StateCache &P = PkgState[Pkg->ID];
+
+ if (P.CandidateVer == TargetVer)
+ return;
+
+ ActionGroup group(*this);
+
+ RemoveSizes(Pkg);
+ RemoveStates(Pkg);
+
+ if (P.CandidateVer == P.InstallVer && P.Install() == true)
+ P.InstallVer = (Version *)TargetVer;
+ P.CandidateVer = (Version *)TargetVer;
+ P.Update(Pkg,*this);
+
+ AddStates(Pkg);
+ Update(Pkg);
+ AddSizes(Pkg);
+
+}
+ /*}}}*/
+// DepCache::SetCandidateRelease - Change the candidate version /*{{{*/
+// ---------------------------------------------------------------------
+/* changes the candidate of a package and walks over all its dependencies
+ to check if it needs to change the candidate of the dependency, too,
+ to reach a installable versionstate */
+bool pkgDepCache::SetCandidateRelease(pkgCache::VerIterator TargetVer,
+ std::string const &TargetRel)
+{
+ std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> > Changed;
+ return SetCandidateRelease(TargetVer, TargetRel, Changed);
+}
+bool pkgDepCache::SetCandidateRelease(pkgCache::VerIterator TargetVer,
+ std::string const &TargetRel,
+ std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> > &Changed)
+{
+ ActionGroup group(*this);
+ SetCandidateVersion(TargetVer);
+
+ if (TargetRel == "installed" || TargetRel == "candidate") // both doesn't make sense in this context
+ return true;
+
+ pkgVersionMatch Match(TargetRel, pkgVersionMatch::Release);
+ // save the position of the last element we will not undo - if we have to
+ std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> >::iterator newChanged = --(Changed.end());
+
+ for (pkgCache::DepIterator D = TargetVer.DependsList(); D.end() == false; ++D)
+ {
+ if (D->Type != pkgCache::Dep::PreDepends && D->Type != pkgCache::Dep::Depends &&
+ ((D->Type != pkgCache::Dep::Recommends && D->Type != pkgCache::Dep::Suggests) ||
+ IsImportantDep(D) == false))
+ continue;
+
+ // walk over an or-group and check if we need to do anything
+ // for simpilicity no or-group is handled as a or-group including one dependency
+ pkgCache::DepIterator Start = D;
+ bool itsFine = false;
+ for (bool stillOr = true; stillOr == true; ++Start)
+ {
+ stillOr = (Start->CompareOp & Dep::Or) == Dep::Or;
+ pkgCache::PkgIterator const P = Start.TargetPkg();
+ // virtual packages can't be a solution
+ if (P.end() == true || (P->ProvidesList == 0 && P->VersionList == 0))
+ continue;
+ pkgCache::VerIterator const Cand = PkgState[P->ID].CandidateVerIter(*this);
+ // no versioned dependency - but is it installable?
+ if (Start.TargetVer() == 0 || Start.TargetVer()[0] == '\0')
+ {
+ // Check if one of the providers is installable
+ if (P->ProvidesList != 0)
+ {
+ pkgCache::PrvIterator Prv = P.ProvidesList();
+ for (; Prv.end() == false; ++Prv)
+ {
+ pkgCache::VerIterator const C = PkgState[Prv.OwnerPkg()->ID].CandidateVerIter(*this);
+ if (C.end() == true || C != Prv.OwnerVer() ||
+ (VersionState(C.DependsList(), DepInstall, DepCandMin, DepCandPolicy) & DepCandMin) != DepCandMin)
+ continue;
+ break;
+ }
+ if (Prv.end() == true)
+ continue;
+ }
+ // no providers, so check if we have an installable candidate version
+ else if (Cand.end() == true ||
+ (VersionState(Cand.DependsList(), DepInstall, DepCandMin, DepCandPolicy) & DepCandMin) != DepCandMin)
+ continue;
+ itsFine = true;
+ break;
}
- delete [] List;
+ if (Cand.end() == true)
+ continue;
+ // check if the current candidate is enough for the versioned dependency - and installable?
+ if (Start.IsSatisfied(Cand) == true &&
+ (VersionState(Cand.DependsList(), DepInstall, DepCandMin, DepCandPolicy) & DepCandMin) == DepCandMin)
+ {
+ itsFine = true;
+ break;
+ }
+ }
+
+ if (itsFine == true) {
+ // something in the or-group was fine, skip all other members
+ for (; (D->CompareOp & Dep::Or) == Dep::Or; ++D);
continue;
- }
+ }
+
+ // walk again over the or-group and check each if a candidate switch would help
+ itsFine = false;
+ for (bool stillOr = true; stillOr == true; ++D)
+ {
+ stillOr = (D->CompareOp & Dep::Or) == Dep::Or;
+ // changing candidate will not help if the dependency is not versioned
+ if (D.TargetVer() == 0 || D.TargetVer()[0] == '\0')
+ {
+ if (stillOr == true)
+ continue;
+ break;
+ }
+
+ pkgCache::VerIterator V;
+ if (TargetRel == "newest")
+ V = D.TargetPkg().VersionList();
+ else
+ V = Match.Find(D.TargetPkg());
+
+ // check if the version from this release could satisfy the dependency
+ if (V.end() == true || D.IsSatisfied(V) == false)
+ {
+ if (stillOr == true)
+ continue;
+ break;
+ }
+
+ pkgCache::VerIterator oldCand = PkgState[D.TargetPkg()->ID].CandidateVerIter(*this);
+ if (V == oldCand)
+ {
+ // Do we already touched this Version? If so, their versioned dependencies are okay, no need to check again
+ for (std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> >::const_iterator c = Changed.begin();
+ c != Changed.end(); ++c)
+ {
+ if (c->first->ParentPkg != V->ParentPkg)
+ continue;
+ itsFine = true;
+ break;
+ }
+ }
+
+ if (itsFine == false)
+ {
+ // change the candidate
+ Changed.push_back(make_pair(V, TargetVer));
+ if (SetCandidateRelease(V, TargetRel, Changed) == false)
+ {
+ if (stillOr == false)
+ break;
+ // undo the candidate changing
+ SetCandidateVersion(oldCand);
+ Changed.pop_back();
+ continue;
+ }
+ itsFine = true;
+ }
+
+ // something in the or-group was fine, skip all other members
+ for (; (D->CompareOp & Dep::Or) == Dep::Or; ++D);
+ break;
+ }
+
+ if (itsFine == false && (D->Type == pkgCache::Dep::PreDepends || D->Type == pkgCache::Dep::Depends))
+ {
+ // undo all changes which aren't lead to a solution
+ for (std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> >::const_iterator c = ++newChanged;
+ c != Changed.end(); ++c)
+ SetCandidateVersion(c->first);
+ Changed.erase(newChanged, Changed.end());
+ return false;
+ }
}
+ return true;
}
/*}}}*/
+// DepCache::MarkAuto - set the Auto flag for a package /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgDepCache::MarkAuto(const PkgIterator &Pkg, bool Auto)
+{
+ StateCache &state = PkgState[Pkg->ID];
+ ActionGroup group(*this);
+
+ if(Auto)
+ state.Flags |= Flag::Auto;
+ else
+ state.Flags &= ~Flag::Auto;
+}
+ /*}}}*/
// StateCache::Update - Compute the various static display things /*{{{*/
// ---------------------------------------------------------------------
/* This is called whenever the Candidate version changes. */
return Ver;
}
/*}}}*/
+// Policy::GetCandidateVer - Returns the Candidate install version /*{{{*/
+// ---------------------------------------------------------------------
+/* The default just returns the highest available version that is not
+ a source and automatic. */
+pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator const &Pkg)
+{
+ /* Not source/not automatic versions cannot be a candidate version
+ unless they are already installed */
+ VerIterator Last(*(pkgCache *)this,0);
+
+ for (VerIterator I = Pkg.VersionList(); I.end() == false; ++I)
+ {
+ if (Pkg.CurrentVer() == I)
+ return I;
+
+ for (VerFileIterator J = I.FileList(); J.end() == false; ++J)
+ {
+ if ((J.File()->Flags & Flag::NotSource) != 0)
+ 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 (Last.end() == true)
+ Last = I;
+ continue;
+ }
+
+ return I;
+ }
+ }
+
+ return Last;
+}
+ /*}}}*/
+// Policy::IsImportantDep - True if the dependency is important /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep)
+{
+ if(Dep.IsCritical())
+ return true;
+ 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
+ // recommends are cleaned up
+ const char *sec = Dep.ParentVer().Section();
+ if (sec && ConfigValueInSubTree("APT::Install-Recommends-Sections", sec))
+ return true;
+ }
+ else if(Dep->Type == pkgCache::Dep::Suggests)
+ 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;
+ if(f->wasConstructedSuccessfully())
+ return f;
+ else
+ {
+ delete f;
+ return NULL;
+ }
+}
+ /*}}}*/
+bool pkgDepCache::MarkFollowsRecommends()
+{
+ return _config->FindB("APT::AutoRemove::RecommendsImportant", true);
+}
+
+bool pkgDepCache::MarkFollowsSuggests()
+{
+ return _config->FindB("APT::AutoRemove::SuggestsImportant", true);
+}
+
+// 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);
+
+ // init the states
+ for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+ {
+ 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;
+ }
+
+ // init vars
+ 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) ||
+ // 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())
+ MarkPackage(p, p.CurrentVer(),
+ follow_recommends, follow_suggests);
+ // the package is to be installed
+ else if(PkgState[p->ID].Install())
+ MarkPackage(p, PkgState[p->ID].InstVerIter(*this),
+ follow_recommends, follow_suggests);
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
+// MarkPackage - mark a single package in Mark-and-Sweep /*{{{*/
+void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
+ const pkgCache::VerIterator &ver,
+ bool const &follow_recommends,
+ bool const &follow_suggests)
+{
+ pkgDepCache::StateCache &state = PkgState[pkg->ID];
+
+ // if we are marked already we are done
+ if(state.Marked)
+ return;
+
+ VerIterator const currver = pkg.CurrentVer();
+ VerIterator const instver = state.InstVerIter(*this);
+
+#if 0
+ VerIterator const candver = state.CandidateVerIter(*this);
+
+ // If a package was garbage-collected but is now being marked, we
+ // should re-select it
+ // For cases when a pkg is set to upgrade and this trigger the
+ // removal of a no-longer used dependency. if the pkg is set to
+ // keep again later it will result in broken deps
+ if(state.Delete() && state.RemoveReason = Unused)
+ {
+ if(ver==candver)
+ mark_install(pkg, false, false, NULL);
+ else if(ver==pkg.CurrentVer())
+ MarkKeep(pkg, false, false);
+
+ instver=state.InstVerIter(*this);
+ }
+#endif
+
+ // For packages that are not going to be removed, ignore versions
+ // other than the InstVer. For packages that are going to be
+ // removed, ignore versions other than the current version.
+ if(!(ver == instver && !instver.end()) &&
+ !(ver == currver && instver.end() && !ver.end()))
+ return;
+
+ bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove", false);
+
+ if(debug_autoremove)
+ {
+ std::clog << "Marking: " << pkg.FullName();
+ if(!ver.end())
+ std::clog << " " << ver.VerStr();
+ if(!currver.end())
+ std::clog << ", Curr=" << currver.VerStr();
+ if(!instver.end())
+ std::clog << ", Inst=" << instver.VerStr();
+ std::clog << std::endl;
+ }
+
+ state.Marked=true;
+
+ if(ver.end() == true)
+ return;
+
+ for(DepIterator d = ver.DependsList(); !d.end(); ++d)
+ {
+ if(d->Type == Dep::Depends ||
+ d->Type == Dep::PreDepends ||
+ (follow_recommends &&
+ d->Type == Dep::Recommends) ||
+ (follow_suggests &&
+ d->Type == Dep::Suggests))
+ {
+ // Try all versions of this package.
+ for(VerIterator V = d.TargetPkg().VersionList();
+ !V.end(); ++V)
+ {
+ if(d.IsSatisfied(V))
+ {
+ if(debug_autoremove)
+ {
+ std::clog << "Following dep: " << d.ParentPkg().FullName()
+ << " " << d.ParentVer().VerStr() << " "
+ << d.DepType() << " " << d.TargetPkg().FullName();
+ if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp)
+ {
+ std::clog << " (" << d.CompType() << " "
+ << d.TargetVer() << ")";
+ }
+ std::clog << std::endl;
+ }
+ MarkPackage(V.ParentPkg(), V,
+ follow_recommends, follow_suggests);
+ }
+ }
+ // Now try virtual packages
+ for(PrvIterator prv=d.TargetPkg().ProvidesList();
+ !prv.end(); ++prv)
+ {
+ if(d.IsSatisfied(prv))
+ {
+ if(debug_autoremove)
+ {
+ std::clog << "Following dep: " << d.ParentPkg().FullName() << " "
+ << d.ParentVer().VerStr() << " "
+ << d.DepType() << " " << d.TargetPkg().FullName() << " ";
+ if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp)
+ {
+ std::clog << " (" << d.CompType() << " "
+ << d.TargetVer() << ")";
+ }
+ std::clog << ", provided by "
+ << prv.OwnerPkg().FullName() << " "
+ << prv.OwnerVer().VerStr()
+ << std::endl;
+ }
+
+ MarkPackage(prv.OwnerPkg(), prv.OwnerVer(),
+ follow_recommends, follow_suggests);
+ }
+ }
+ }
+ }
+}
+ /*}}}*/
+bool pkgDepCache::Sweep() /*{{{*/
+{
+ bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+
+ // do the sweep
+ for(PkgIterator p=PkgBegin(); !p.end(); ++p)
+ {
+ StateCache &state=PkgState[p->ID];
+
+ // skip required packages
+ if (!p.CurrentVer().end() &&
+ (p.CurrentVer()->Priority == pkgCache::State::Required))
+ continue;
+
+ // if it is not marked and it is installed, it's garbage
+ if(!state.Marked && (!p.CurrentVer().end() || state.Install()))
+ {
+ state.Garbage=true;
+ if(debug_autoremove)
+ std::clog << "Garbage: " << p.FullName() << std::endl;
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
projects / apt.git / blobdiff