#include <apt-pkg/algorithms.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/version.h>
#include <apt-pkg/sptr.h>
+
#include <apti18n.h>
-
+#include <sys/types.h>
#include <iostream>
/*}}}*/
using namespace std;
the necessary calculations to deal with the problems. */
bool pkgApplyStatus(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
if (I->VersionList == 0)
I->InstState == pkgCache::State::HoldReInstReq)
{
if (I->CurrentVer != 0 && I.CurrentVer().Downloadable() == true)
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
else
{
// Is this right? Will dpkg choke on an upgrade?
if (Cache[I].CandidateVer != 0 &&
Cache[I].CandidateVerIter(Cache).Downloadable() == true)
- Cache.MarkInstall(I);
+ Cache.MarkInstall(I, false, 0, false);
else
return _error->Error(_("The package %s needs to be reinstalled, "
"but I can't find an archive for it."),I.Name());
case pkgCache::State::HalfConfigured:
if ((I->CurrentVer != 0 && I.CurrentVer().Downloadable() == true) ||
I.State() != pkgCache::PkgIterator::NeedsUnpack)
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
else
{
if (Cache[I].CandidateVer != 0 &&
Cache[I].CandidateVerIter(Cache).Downloadable() == true)
- Cache.MarkInstall(I);
+ Cache.MarkInstall(I, true, 0, false);
else
Cache.MarkDelete(I);
}
on the result. */
bool pkgFixBroken(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
// Auto upgrade all broken packages
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if (Cache[I].NowBroken() == true)
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
/* Fix packages that are in a NeedArchive state but don't have a
downloadable install version */
if (Cache[I].InstVerIter(Cache).Downloadable() == false)
continue;
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
}
pkgProblemResolver Fix(&Cache);
*/
bool pkgDistUpgrade(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
/* Auto upgrade all installed packages, this provides the basis
for the installation */
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if (I->CurrentVer != 0)
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
/* Now, auto upgrade all essential packages - this ensures that
the essential packages are present and working */
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
/* We do it again over all previously installed packages to force
conflict resolution on them all. */
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if (I->CurrentVer != 0)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
pkgProblemResolver Fix(&Cache);
if (I->SelectedState == pkgCache::State::Hold)
{
Fix.Protect(I);
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
}
}
}
to install packages not marked for install */
bool pkgAllUpgrade(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
pkgProblemResolver Fix(&Cache);
if (Cache.BrokenCount() != 0)
continue;
if (I->CurrentVer != 0 && Cache[I].InstallVer != 0)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
}
return Fix.ResolveByKeep();
the package is restored. */
bool pkgMinimizeUpgrade(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
if (Cache.BrokenCount() != 0)
return false;
continue;
// Keep it and see if that is OK
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
if (Cache.BrokenCount() != 0)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
else
{
// If keep didnt actually do anything then there was no change..
installable */
bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
{
+ pkgDepCache::ActionGroup group(Cache);
+
if ((Flags[Pkg->ID] & Upgradable) == 0 || Cache[Pkg].Upgradable() == false)
return false;
if ((Flags[Pkg->ID] & Protected) == Protected)
Flags[Pkg->ID] &= ~Upgradable;
bool WasKept = Cache[Pkg].Keep();
- Cache.MarkInstall(Pkg,false);
+ Cache.MarkInstall(Pkg, false, 0, false);
// This must be a virtual package or something like that.
if (Cache[Pkg].InstVerIter(Cache).end() == true)
if (Fail == true)
{
if (WasKept == true)
- Cache.MarkKeep(Pkg);
+ Cache.MarkKeep(Pkg, false, false);
else
Cache.MarkDelete(Pkg);
return false;
upgrade packages to advoid problems. */
bool pkgProblemResolver::Resolve(bool BrokenFix)
{
+ pkgDepCache::ActionGroup group(Cache);
+
unsigned long Size = Cache.Head().PackageCount;
// Record which packages are marked for install
{
if (Cache[I].InstBroken() == true && BrokenFix == true)
{
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Cache[I].Install() == true)
Again = true;
}
pkgCache::Version *OldVer = Cache[I].InstallVer;
Flags[I->ID] &= ReInstateTried;
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Cache[I].InstBroken() == true ||
OldBreaks < Cache.BrokenCount())
{
if (OldVer == 0)
Cache.MarkDelete(I);
else
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
}
else
if (Debug == true)
{
if (Debug == true)
clog << " Or group keep for " << I.Name() << endl;
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
Change = true;
}
}
}
Change = true;
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
break;
}
/* See if a keep will do, unless the package is protected,
then installing it will be necessary */
bool Installed = Cache[I].Install();
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
if (Cache[I].InstBroken() == false)
{
// Unwind operation will be keep now
// Restore
if (InOr == true && Installed == true)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Debug == true)
clog << " Holding Back " << I.Name() << " rather than change " << Start.TargetPkg().Name() << endl;
// Restore
if (InOr == true && Installed == true)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Debug == true)
clog << " Holding Back " << I.Name() << " because I can't find " << Start.TargetPkg().Name() << endl;
{
if (Debug == true)
clog << " Fixing " << I.Name() << " via keep of " << J->Pkg.Name() << endl;
- Cache.MarkKeep(J->Pkg);
+ Cache.MarkKeep(J->Pkg, false, false);
}
if (Counter > 1)
return _error->Error(_("Unable to correct problems, you have held broken packages."));
}
+ // set the auto-flags (mvo: I'm not sure if we _really_ need this, but
+ // I didn't managed
+ pkgCache::PkgIterator I = Cache.PkgBegin();
+ for (;I.end() != true; I++) {
+ if (Cache[I].NewInstall() && !(Flags[I->ID] & PreInstalled)) {
+ if(_config->FindI("Debug::pkgAutoRemove",false)) {
+ std::clog << "Resolve installed new pkg: " << I.Name()
+ << " (now marking it as auto)" << std::endl;
+ }
+ Cache[I].Flags |= pkgCache::Flag::Auto;
+ }
+ }
+
+
return true;
}
/*}}}*/
system was non-broken previously. */
bool pkgProblemResolver::ResolveByKeep()
{
+ pkgDepCache::ActionGroup group(Cache);
+
unsigned long Size = Cache.Head().PackageCount;
if (Debug == true)
{
if (Debug == true)
clog << "Keeping package " << I.Name() << endl;
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
if (Cache[I].InstBroken() == false)
{
K = PList - 1;
{
if (Debug == true)
clog << " Keeping Package " << Pkg.Name() << " due to dep" << endl;
- Cache.MarkKeep(Pkg);
+ Cache.MarkKeep(Pkg, false, false);
}
if (Cache[I].InstBroken() == false)
/* This is used to make sure protected packages are installed */
void pkgProblemResolver::InstallProtect()
{
+ pkgDepCache::ActionGroup group(Cache);
+
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
if ((Flags[I->ID] & Protected) == Protected)
if ((Flags[I->ID] & ToRemove) == ToRemove)
Cache.MarkDelete(I);
else
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
}
}
}
qsort(List,Count,sizeof(*List),PrioComp);
}
/*}}}*/
+
bool RunScripts(const char *Cnf);
bool RunScriptsWithPkgs(const char *Cnf);
bool SendV2Pkgs(FILE *F);
-
+
// The Actuall installation implementation
virtual bool Install(PkgIterator Pkg,string File);
virtual bool Configure(PkgIterator Pkg);
#include <apt-pkg/error.h>
#include <apt-pkg/sptr.h>
#include <apt-pkg/algorithms.h>
+
+#include <apt-pkg/fileutl.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/tagfile.h>
+
+#include <iostream>
+#include <sstream>
#include <apti18n.h>
- /*}}}*/
+
+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 = false;
+ }
+}
+
+pkgDepCache::ActionGroup::~ActionGroup()
+{
+ release();
+}
// DepCache::pkgDepCache - Constructors /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgDepCache::pkgDepCache(pkgCache *pCache,Policy *Plcy) :
- Cache(pCache), PkgState(0), DepState(0)
+ group_level(0), Cache(pCache), PkgState(0), DepState(0)
{
delLocalPolicy = 0;
LocalPolicy = Plcy;
/* 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];
// 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();
if(Prog != 0)
Prog->Done();
-
+
return true;
}
/*}}}*/
+bool pkgDepCache::readStateFile(OpProgress *Prog)
+{
+ FileFd state_file;
+ string state = _config->FindDir("Dir::State") + "pkgstates";
+ if(FileExists(state)) {
+ state_file.Open(state, FileFd::ReadOnly);
+ int file_size = state_file.Size();
+ if(Prog != NULL)
+ Prog->OverallProgress(0, file_size, 1,
+ _("Reading state information"));
+
+ pkgTagFile tagfile(&state_file);
+ pkgTagSection section;
+ int amt=0;
+ while(tagfile.Step(section)) {
+ string pkgname = section.FindS("Package");
+ pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname);
+ // Silently ignore unknown packages and packages with no actual
+ // version.
+ if(!pkg.end() && !pkg.VersionList().end()) {
+ short reason = section.FindI("Auto-Installed", 0);
+ if(reason > 0)
+ PkgState[pkg->ID].Flags |= Flag::Auto;
+ if(_config->FindB("Debug::pkgAutoRemove",false))
+ std::cout << "Auto-Installed : " << pkgname << std::endl;
+ 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;
+}
+
+bool pkgDepCache::writeStateFile(OpProgress *prog)
+{
+ FileFd StateFile;
+ string state = _config->FindDir("Dir::State") + "pkgstates";
+
+ if(_config->FindB("Debug::pkgAutoRemove",false))
+ std::clog << "pkgDepCache::writeStateFile()" << std::endl;
+
+ if(!StateFile.Open(state, FileFd::WriteEmpty))
+ return _error->Error(_("Failed to write StateFile %s"),
+ state.c_str());
+
+ std::ostringstream ostr;
+ for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end();pkg++) {
+
+ if(PkgState[pkg->ID].Flags & Flag::Auto) {
+ if(_config->FindB("Debug::pkgAutoRemove",false))
+ std::clog << "AutoInstall: " << pkg.Name() << std::endl;
+ ostr.str(string(""));
+ ostr << "Package: " << pkg.Name()
+ << "\nAuto-Installed: 1\n\n";
+ StateFile.Write(ostr.str().c_str(), ostr.str().size());
+ }
+ }
+ return true;
+}
+
// DepCache::CheckDep - Checks a single dependency /*{{{*/
// ---------------------------------------------------------------------
/* This first checks the dependency against the main target package and
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
// DepCache::MarkKeep - Put the package in the keep state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkKeep(PkgIterator const &Pkg,bool Soft)
+void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
{
// Simplifies other routines.
if (Pkg.end() == true)
Pkg.CurrentVer().Downloadable() == false)
return;
+ /** \todo Can this be moved later in the method? */
+ ActionGroup group(*this);
+
/* We changed the soft state all the time so the UI is a bit nicer
to use */
StateCache &P = PkgState[Pkg->ID];
if (Pkg->VersionList == 0)
return;
- P.Flags &= ~Flag::Auto;
+ if(FromUser && !P.Marked)
+ P.Flags &= ~Flag::Auto;
RemoveSizes(Pkg);
RemoveStates(Pkg);
if (Pkg.end() == true)
return;
+ ActionGroup group(*this);
+
// Check that it is not already marked for delete
StateCache &P = PkgState[Pkg->ID];
P.iFlags &= ~(AutoKept | Purge);
else
P.Mode = ModeDelete;
P.InstallVer = 0;
- P.Flags &= Flag::Auto;
AddStates(Pkg);
Update(Pkg);
// ---------------------------------------------------------------------
/* */
void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
- unsigned long Depth)
+ unsigned long Depth, bool FromUser)
{
if (Depth > 100)
return;
if (Pkg.end() == true)
return;
+ ActionGroup group(*this);
+
/* Check that it is not already marked for install and that it can be
installed */
StateCache &P = PkgState[Pkg->ID];
P.CandidateVer == (Version *)Pkg.CurrentVer()))
{
if (P.CandidateVer == (Version *)Pkg.CurrentVer() && P.InstallVer == 0)
- MarkKeep(Pkg);
+ MarkKeep(Pkg, false, FromUser);
return;
}
P.Mode = ModeInstall;
P.InstallVer = P.CandidateVer;
- P.Flags &= ~Flag::Auto;
+
+ if(FromUser)
+ {
+ // Set it to manual if it's a new install or cancelling the
+ // removal of a garbage package.
+ if(P.Status == 2 || (!Pkg.CurrentVer().end() && !P.Marked))
+ 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;
}
}
- if (InstPkg.end() == false)
+ if (InstPkg.end() == false)
{
if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
std::clog << "Installing " << InstPkg.Name()
<< " as dep of " << Pkg.Name()
<< std::endl;
- MarkInstall(InstPkg,true,Depth + 1);
-
- // Set the autoflag, after MarkInstall because MarkInstall unsets it
- if (P->CurrentVer == 0)
- PkgState[InstPkg->ID].Flags |= Flag::Auto;
+ MarkInstall(InstPkg, true, Depth + 1, false);
}
-
continue;
}
PkgIterator Pkg = Ver.ParentPkg();
MarkDelete(Pkg);
- PkgState[Pkg->ID].Flags |= Flag::Auto;
}
continue;
}
/* */
void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To)
{
+ ActionGroup group(*this);
+
RemoveSizes(Pkg);
RemoveStates(Pkg);
/* */
void pkgDepCache::SetCandidateVersion(VerIterator TargetVer)
{
+ ActionGroup group(*this);
+
pkgCache::PkgIterator Pkg = TargetVer.ParentPkg();
StateCache &P = PkgState[Pkg->ID];
-
+
RemoveSizes(Pkg);
RemoveStates(Pkg);
Update(Pkg);
AddSizes(Pkg);
}
+
+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 /*{{{*/
// ---------------------------------------------------------------------
return Dep.IsCritical();
}
/*}}}*/
+
+pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc()
+ : constructedSuccessfully(false)
+{
+ Configuration::Item const *Opts;
+ Opts = _config->Tree("APT::NeverAutoRemove");
+ if (Opts != 0 && Opts->Child != 0)
+ {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+
+ regex_t *p = new regex_t;
+ if(regcomp(p,Opts->Value.c_str(),
+ REG_EXTENDED | REG_ICASE | REG_NOSUB) != 0)
+ {
+ regfree(p);
+ delete p;
+ _error->Error("Regex compilation error for APT::NeverAutoRemove");
+ return;
+ }
+
+ rootSetRegexp.push_back(p);
+ }
+ }
+
+ constructedSuccessfully = true;
+}
+
+pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc()
+{
+ for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
+ {
+ regfree(rootSetRegexp[i]);
+ delete rootSetRegexp[i];
+ }
+}
+
+
+bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg)
+{
+ for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
+ if (regexec(rootSetRegexp[i], pkg.Name(), 0, 0, 0) == 0)
+ return true;
+
+ return false;
+}
+
+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", false);
+}
+
+// the main mark algorithm
+bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
+{
+ bool follow_recommends;
+ bool follow_suggests;
+
+ // init the states
+ for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+ {
+ PkgState[p->ID].Marked = false;
+ PkgState[p->ID].Garbage = false;
+
+ // debug output
+ if(_config->FindB("Debug::pkgAutoRemove",false)
+ && PkgState[p->ID].Flags & Flag::Auto)
+ std::clog << "AutoDep: " << p.Name() << 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) ||
+ userFunc.InRootSet(p))
+
+ {
+ // 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;
+}
+
+// mark a single package in Mark-and-Sweep
+void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
+ const pkgCache::VerIterator &ver,
+ bool follow_recommends,
+ bool follow_suggests)
+{
+ pkgDepCache::StateCache &state = PkgState[pkg->ID];
+ VerIterator candver = state.CandidateVerIter(*this);
+ VerIterator instver = state.InstVerIter(*this);
+
+#if 0
+ // 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
+
+ // Ignore versions other than the InstVer, and ignore packages
+ // that are already going to be removed or just left uninstalled.
+ if(!(ver == instver && !instver.end()))
+ return;
+
+ // if we are marked already we are done
+ if(state.Marked)
+ return;
+
+ //std::cout << "Setting Marked for: " << pkg.Name() << std::endl;
+ state.Marked=true;
+
+ if(!ver.end())
+ {
+ 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(_system->VS->CheckDep(V.VerStr(), d->CompareOp, d.TargetVer()))
+ {
+ MarkPackage(V.ParentPkg(), V,
+ follow_recommends, follow_suggests);
+ }
+ }
+ // Now try virtual packages
+ for(PrvIterator prv=d.TargetPkg().ProvidesList();
+ !prv.end(); ++prv)
+ {
+ if(_system->VS->CheckDep(prv.ProvideVersion(), d->CompareOp,
+ d.TargetVer()))
+ {
+ MarkPackage(prv.OwnerPkg(), prv.OwnerVer(),
+ follow_recommends, follow_suggests);
+ }
+ }
+ }
+ }
+ }
+}
+
+bool pkgDepCache::Sweep()
+{
+ // do the sweep
+ for(PkgIterator p=PkgBegin(); !p.end(); ++p)
+ {
+ StateCache &state=PkgState[p->ID];
+
+ // if it is not marked and it is installed, it's garbage
+ if(!state.Marked && (!p.CurrentVer().end() || state.Install()) &&
+ !state.Delete())
+ {
+ state.Garbage=true;
+ if(_config->FindB("Debug::pkgAutoRemove",false))
+ std::cout << "Garbage: " << p.Name() << std::endl;
+ }
+ }
+
+ return true;
+}
-// -*- mode: cpp; mode: fold -*-
+// -*- mode: c++; mode: fold -*-
// Description /*{{{*/
// $Id: depcache.h,v 1.14 2001/02/20 07:03:17 jgg Exp $
/* ######################################################################
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/progress.h>
+#include <regex.h>
+
+#include <vector>
+
class pkgDepCache : protected pkgCache::Namespace
{
public:
+
+ /** \brief An arbitrary predicate on packages. */
+ class InRootSetFunc
+ {
+ public:
+ virtual bool InRootSet(const pkgCache::PkgIterator &pkg) {return false;};
+ virtual ~InRootSetFunc() {};
+ };
+
+ private:
+ /** \brief Mark a single package and all its unmarked important
+ * dependencies during mark-and-sweep.
+ *
+ * Recursively invokes itself to mark all dependencies of the
+ * package.
+ *
+ * \param pkg The package to mark.
+ *
+ * \param ver The version of the package that is to be marked.
+ *
+ * \param follow_recommends If \b true, recommendations of the
+ * package will be recursively marked.
+ *
+ * \param follow_suggests If \b true, suggestions of the package
+ * will be recursively marked.
+ */
+ void MarkPackage(const pkgCache::PkgIterator &pkg,
+ const pkgCache::VerIterator &ver,
+ bool follow_recommends,
+ bool follow_suggests);
+
+ /** \brief Update the Marked field of all packages.
+ *
+ * Each package's StateCache::Marked field will be set to \b true
+ * if and only if it can be reached from the root set. By
+ * default, the root set consists of the set of manually installed
+ * or essential packages, but it can be extended using the
+ * parameter #rootFunc.
+ *
+ * \param rootFunc A callback that can be used to add extra
+ * packages to the root set.
+ *
+ * \return \b false if an error occured.
+ */
+ bool MarkRequired(InRootSetFunc &rootFunc);
+
+ /** \brief Set the StateCache::Garbage flag on all packages that
+ * should be removed.
+ *
+ * Packages that were not marked by the last call to #MarkRequired
+ * are tested to see whether they are actually garbage. If so,
+ * they are marked as such.
+ *
+ * \return \b false if an error occured.
+ */
+ bool Sweep();
+
+ public:
// These flags are used in DepState
enum DepFlags {DepNow = (1 << 0),DepInstall = (1 << 1),DepCVer = (1 << 2),
enum VersionTypes {NowVersion, InstallVersion, CandidateVersion};
enum ModeList {ModeDelete = 0, ModeKeep = 1, ModeInstall = 2};
+
+ /** \brief Represents an active action group.
+ *
+ * An action group is a group of actions that are currently being
+ * performed. While an active group is active, certain routine
+ * clean-up actions that would normally be performed after every
+ * cache operation are delayed until the action group is
+ * completed. This is necessary primarily to avoid inefficiencies
+ * when modifying a large number of packages at once.
+ *
+ * This class represents an active action group. Creating an
+ * instance will create an action group; destroying one will
+ * destroy the corresponding action group.
+ *
+ * The following operations are suppressed by this class:
+ *
+ * - Keeping the Marked and Garbage flags up to date.
+ *
+ * \note This can be used in the future to easily accumulate
+ * atomic actions for undo or to display "what apt did anyway";
+ * e.g., change the counter of how many action groups are active
+ * to a std::set of pointers to them and use those to store
+ * information about what happened in a group in the group.
+ */
+ class ActionGroup
+ {
+ pkgDepCache &cache;
+
+ bool released;
+
+ /** Action groups are noncopyable. */
+ ActionGroup(const ActionGroup &other);
+ public:
+ /** \brief Create a new ActionGroup.
+ *
+ * \param cache The cache that this ActionGroup should
+ * manipulate.
+ *
+ * As long as this object exists, no automatic cleanup
+ * operations will be undertaken.
+ */
+ ActionGroup(pkgDepCache &cache);
+
+ /** \brief Clean up the action group before it is destroyed.
+ *
+ * If it is destroyed later, no second cleanup wil be run.
+ */
+ void release();
+
+ /** \brief Destroy the action group.
+ *
+ * If this is the last action group, the automatic cache
+ * cleanup operations will be undertaken.
+ */
+ ~ActionGroup();
+ };
+
+ /** \brief Returns \b true for packages matching a regular
+ * expression in APT::NeverAutoRemove.
+ */
+ class DefaultRootSetFunc : public InRootSetFunc
+ {
+ std::vector<regex_t *> rootSetRegexp;
+ bool constructedSuccessfully;
+
+ public:
+ DefaultRootSetFunc();
+ ~DefaultRootSetFunc();
+
+ /** \return \b true if the class initialized successfully, \b
+ * false otherwise. Used to avoid throwing an exception, since
+ * APT classes generally don't.
+ */
+ bool wasConstructedSuccessfully() const { return constructedSuccessfully; }
+
+ bool InRootSet(const pkgCache::PkgIterator &pkg);
+ };
+
struct StateCache
{
// Epoch stripped text versions of the two version fields
unsigned short Flags;
unsigned short iFlags; // Internal flags
+ /** \brief \b true if this package can be reached from the root set. */
+ bool Marked;
+
+ /** \brief \b true if this package is unused and should be removed.
+ *
+ * This differs from !#Marked, because it is possible that some
+ * unreachable packages will be protected from becoming
+ * garbage.
+ */
+ bool Garbage;
+
// Various tree indicators
signed char Status; // -1,0,1,2
unsigned char Mode; // ModeList
virtual ~Policy() {};
};
+
+ private:
+ /** The number of open "action groups"; certain post-action
+ * operations are suppressed if this number is > 0.
+ */
+ int group_level;
+
+ friend class ActionGroup;
protected:
inline StateCache &operator [](PkgIterator const &I) {return PkgState[I->ID];};
inline unsigned char &operator [](DepIterator const &I) {return DepState[I->ID];};
- // Manipulators
- void MarkKeep(PkgIterator const &Pkg,bool Soft = false);
+ /** \return A function identifying packages in the root set other
+ * than manually installed packages and essential packages, or \b
+ * NULL if an error occurs.
+ *
+ * \todo Is this the best place for this function? Perhaps the
+ * settings for mark-and-sweep should be stored in a single
+ * external class?
+ */
+ virtual InRootSetFunc *GetRootSetFunc();
+
+ /** \return \b true if the garbage collector should follow recommendations.
+ */
+ virtual bool MarkFollowsRecommends();
+
+ /** \return \b true if the garbage collector should follow suggestions.
+ */
+ virtual bool MarkFollowsSuggests();
+
+ /** \brief Update the Marked and Garbage fields of all packages.
+ *
+ * This routine is implicitly invoked after all state manipulators
+ * and when an ActionGroup is destroyed. It invokes #MarkRequired
+ * and #Sweep to do its dirty work.
+ *
+ * \param rootFunc A predicate that returns \b true for packages
+ * that should be added to the root set.
+ */
+ bool MarkAndSweep(InRootSetFunc &rootFunc)
+ {
+ return MarkRequired(rootFunc) && Sweep();
+ }
+
+ bool MarkAndSweep()
+ {
+ std::auto_ptr<InRootSetFunc> f(GetRootSetFunc());
+ if(f.get() != NULL)
+ return MarkAndSweep(*f.get());
+ else
+ return false;
+ }
+
+ /** \name State Manipulators
+ */
+ // @{
+ void MarkKeep(PkgIterator const &Pkg, bool Soft = false,
+ bool FromUser = true);
void MarkDelete(PkgIterator const &Pkg,bool Purge = false);
void MarkInstall(PkgIterator const &Pkg,bool AutoInst = true,
- unsigned long Depth = 0);
+ unsigned long Depth = 0, bool FromUser = true);
void SetReInstall(PkgIterator const &Pkg,bool To);
void SetCandidateVersion(VerIterator TargetVer);
+
+ /** Set the "is automatically installed" flag of Pkg. */
+ void MarkAuto(const PkgIterator &Pkg, bool Auto);
+ // @}
// This is for debuging
void Update(OpProgress *Prog = 0);
+
+ // read persistent states
+ bool readStateFile(OpProgress *prog);
+ bool writeStateFile(OpProgress *prog);
// Size queries
inline double UsrSize() {return iUsrSize;};
# methods/makefile - FIXME
LIBRARY=apt-pkg
LIBEXT=$(GLIBC_VER)$(LIBSTDCPP_VER)
-MAJOR=3.11
+MAJOR=3.12
MINOR=0
SLIBS=$(PTHREADLIB) $(INTLLIBS)
APT_DOMAIN:=libapt-pkg$(MAJOR)
// Okay, this file is missing and we need it. Mark it for keep
Bad = true;
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
}
// We have to empty the list otherwise it will not have the new changes
// ---------------------------------------------------------------------
/* This uses the filenames in FileNames and the information in the
DepCache to perform the installation of packages.*/
-pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int status_fd)
+pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd)
{
- OrderResult Res = OrderInstall();
- if(Debug)
- std::clog << "OrderInstall() returned: " << Res << std::endl;
- if (Res != Failed)
- if (Go(status_fd) == false)
- return Failed;
- return Res;
+ if(DoInstallPreFork() == Failed)
+ return Failed;
+
+ return DoInstallPostFork(statusFd);
}
/*}}}*/
#endif
#include <string>
+#include <iostream>
#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/depcache.h>
using std::string;
virtual bool Remove(PkgIterator /*Pkg*/,bool /*Purge*/=false) {return false;};
virtual bool Go(int statusFd=-1) {return true;};
virtual void Reset() {};
-
+
+ // the result of the operation
+ OrderResult Res;
+
public:
// Main action members
bool GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
pkgRecords *Recs);
- OrderResult DoInstall(int statusFd=-1);
+
+ // Do the installation
+ OrderResult DoInstall(int statusFd=-1);
+
+ // stuff that needs to be done before the fork() of a library that
+ // uses apt
+ OrderResult DoInstallPreFork() {
+ Res = OrderInstall();
+ return Res;
+ };
+
+ // stuff that needs to be done after the fork
+ OrderResult DoInstallPostFork(int statusFd=-1) {
+ bool goResult = Go(statusFd);
+ if(goResult == false)
+ return Failed;
+
+ // if all was fine update the state file
+ if(Res == Completed) {
+ Cache.writeStateFile(NULL);
+ }
+ return Res;
+ };
+
bool FixMissing();
pkgPackageManager(pkgDepCache *Cache);
#include <apt-pkg/sptr.h>
#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/tagfile.h>
+
#include <apti18n.h>
#include <vector>
#include <errno.h>
#include <regex.h>
#include <sys/wait.h>
+#include <sstream>
/*}}}*/
using namespace std;
cerr << _("Unable to correct missing packages.") << endl;
return _error->Error(_("Aborting install."));
}
-
+
_system->UnLock();
int status_fd = _config->FindI("APT::Status-Fd",-1);
pkgPackageManager::OrderResult Res = PM->DoInstall(status_fd);
return true;
}
/*}}}*/
+// DoAutomaticRemove - Remove all automatic unused packages /*{{{*/
+// ---------------------------------------------------------------------
+/* Remove unused automatic packages */
+bool DoAutomaticRemove(CacheFile &Cache)
+{
+ if(_config->FindI("Debug::pkgAutoRemove",false))
+ std::cout << "DoAutomaticRemove()" << std::endl;
+
+ if (_config->FindB("APT::Get::Remove",true) == false)
+ return _error->Error(_("We are not supposed to delete stuff, can't "
+ "start AutoRemover"));
+
+ {
+ pkgDepCache::ActionGroup group(*Cache);
+
+ // look over the cache to see what can be removed
+ for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
+ {
+ if (Cache[Pkg].Garbage)
+ {
+ if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
+ fprintf(stdout,"We could delete %s\n", Pkg.Name());
+
+ if(Pkg.CurrentVer() != 0 && Pkg->CurrentState != pkgCache::State::ConfigFiles)
+ Cache->MarkDelete(Pkg, _config->FindB("APT::Get::Purge", false));
+ else
+ Cache->MarkKeep(Pkg, false, false);
+ }
+ }
+ }
+
+ // Now see if we destroyed anything
+ if (Cache->BrokenCount() != 0)
+ {
+ c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n"
+ "shouldn't happen. Please file a bug report against apt.") << endl;
+ c1out << endl;
+ c1out << _("The following information may help to resolve the situation:") << endl;
+ c1out << endl;
+ ShowBroken(c1out,Cache,false);
+
+ return _error->Error(_("Internal Error, AutoRemover broke stuff"));
+ }
+ return true;
+}
+
// DoUpgrade - Upgrade all packages /*{{{*/
// ---------------------------------------------------------------------
/* Upgrade all packages without installing new packages or erasing old
bool DefRemove = false;
if (strcasecmp(CmdL.FileList[0],"remove") == 0)
DefRemove = true;
+ else if (strcasecmp(CmdL.FileList[0], "autoremove") == 0)
+ {
+ _config->Set("APT::Get::AutomaticRemove", "true");
+ DefRemove = true;
+ }
for (const char **I = CmdL.FileList + 1; *I != 0; I++)
{
return _error->Error(_("Broken packages"));
}
+ if (_config->FindB("APT::Get::AutomaticRemove")) {
+ if (!DoAutomaticRemove(Cache))
+ return false;
+ }
+
/* Print out a list of packages that are going to be installed extra
to what the user asked */
if (Cache->InstCount() != ExpectedInst)
if (*J == 0) {
List += string(I.Name()) + " ";
- VersionsList += string(Cache[I].CandVersion) + "\n";
- }
+ VersionsList += string(Cache[I].CandVersion) + "\n";
+ }
}
ShowList(c1out,_("The following extra packages will be installed:"),List,VersionsList);
_config->Set("APT::Get::Fix-Broken",false);
_config->Set("APT::Get::Force-Yes",false);
_config->Set("APT::Get::List-Cleanup",true);
+ _config->Set("APT::Get::AutomaticRemove",false);
}
/*}}}*/
// SigWinch - Window size change signal handler /*{{{*/
{0,"remove","APT::Get::Remove",0},
{0,"only-source","APT::Get::Only-Source",0},
{0,"arch-only","APT::Get::Arch-Only",0},
+ {0,"auto-remove","APT::Get::AutomaticRemove",0},
{0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},
{'c',"config-file",0,CommandLine::ConfigFile},
{'o',"option",0,CommandLine::ArbItem},
{"upgrade",&DoUpgrade},
{"install",&DoInstall},
{"remove",&DoInstall},
+ {"autoremove",&DoInstall},
{"dist-upgrade",&DoDistUpgrade},
{"dselect-upgrade",&DoDSelectUpgrade},
{"build-dep",&DoBuildDep},
* Add Welsh translation from Dafydd Harries
(daf@muse.19inch.net--2005/apt--main--0--patch-1)
* Change debian/bugscript to use #!/bin/bash (Closes: #313402)
+ * Fix a incorrect example in the man-page (closes: #282918)
-- Matt Zimmerman <mdz@ubuntu.com> Tue, 24 May 2005 14:38:25 -0700
mkdir -p debian/arch-build/apt-$(APT_DEBVER)
tar -c --exclude=arch-build --no-recursion -f - `bzr inventory` | (cd debian/arch-build/$(PKG)-$(APT_DEBVER);tar xf -)
$(MAKE) -C debian/arch-build/apt-$(APT_DEBVER) startup doc
- (cd debian/arch-build/apt-$(APT_DEBVER); $(DEB_BUILD_PROG))
+ (cd debian/arch-build/apt-$(APT_DEBVER); $(DEB_BUILD_PROG); dpkg-genchanges -S > ../apt_$(APT_DEBVER)_source.changes)
<programlisting>
Package: *
Pin: release a=unstable
-Pin-Priority: 50
+Pin-Priority: 500
</programlisting>
<simpara>The following record assigns a high priority to all package versions
{
Architecture "i386";
Build-Essential "build-essential";
-
+
+ NeverAutoRemove { "linux-kernel.*"; }; // packages that should never
+ // considered for autoRemove
+
// Options for apt-get
Get
{
Arch-Only "false";
+ AutomaticRemove "false";
Download-Only "false";
Simulate "false";
Assume-Yes "false";
pkgDPkgPM "false";
pkgDPkgProgressReporting "false";
pkgOrderList "false";
-
+ pkgAutoRemove "false"; // show information about automatic removes
+
pkgInitialize "false"; // This one will dump the configuration space
NoLocking "false";
Acquire::Ftp "false"; // Show ftp command traffic
projects / apt.git / commitdiff
