X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/e2a5ff0c3398380b15a09d810effffc5eb96ea53..63b70b21c8416351cd5be9bf8dcf939ffe94079e:/apt-pkg/packagemanager.cc diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc index 601fbb484..4f9762701 100644 --- a/apt-pkg/packagemanager.cc +++ b/apt-pkg/packagemanager.cc @@ -13,6 +13,8 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include @@ -22,13 +24,15 @@ #include #include #include - -#include + +#include #include -#include +#include /*}}}*/ using namespace std; +bool pkgPackageManager::SigINTStop = false; + // PM::PackageManager - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -63,7 +67,7 @@ bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources, if (ordering == false) return _error->Error("Internal ordering error"); - for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++) + for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) { PkgIterator Pkg(Cache,*I); FileNames[Pkg->ID] = string(); @@ -99,7 +103,7 @@ bool pkgPackageManager::FixMissing() List->SetFileList(FileNames); bool Bad = false; - for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (List->IsMissing(I) == false) continue; @@ -140,7 +144,7 @@ void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer, unsigned D = I.CurrentVer().DependsList(); } - for ( /* nothing */ ; D.end() == false; D++) + for ( /* nothing */ ; D.end() == false; ++D) if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) { if(!List->IsFlag(D.TargetPkg(), pkgOrderList::Immediate)) @@ -166,14 +170,14 @@ bool pkgPackageManager::CreateOrderList() delete List; List = new pkgOrderList(&Cache); - static bool const NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true); + NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true); ImmConfigureAll = _config->FindB("APT::Immediate-Configure-All",false); if (Debug && ImmConfigureAll) clog << "CreateOrderList(): Adding Immediate flag for all packages because of APT::Immediate-Configure-All" << endl; // Generate the list of affected packages and sort it - for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { // Ignore no-version packages if (I->VersionList == 0) @@ -235,7 +239,7 @@ bool pkgPackageManager::DepAlwaysTrue(DepIterator D) bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D, const char *Ver) { - for (;D.end() == false; D++) + for (;D.end() == false; ++D) { if (D->Type != pkgCache::Dep::Conflicts && D->Type != pkgCache::Dep::Obsoletes) @@ -262,13 +266,14 @@ bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D, // PM::ConfigureAll - Run the all out configuration /*{{{*/ // --------------------------------------------------------------------- /* This configures every package. It is assumed they are all unpacked and - that the final configuration is valid. */ + that the final configuration is valid. This is also used to catch packages + that have not been configured when using ImmConfigureAll */ bool pkgPackageManager::ConfigureAll() { pkgOrderList OList(&Cache); // Populate the order list - for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++) + for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) if (List->IsFlag(pkgCache::PkgIterator(Cache,*I), pkgOrderList::UnPacked) == true) OList.push_back(*I); @@ -280,12 +285,22 @@ bool pkgPackageManager::ConfigureAll() bool const ConfigurePkgs = (conf == "all"); // Perform the configuring - for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++) + for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); ++I) { PkgIterator Pkg(Cache,*I); + + /* Check if the package has been configured, this can happen if SmartConfigure + calls its self */ + if (List->IsFlag(Pkg,pkgOrderList::Configured)) continue; - if (ConfigurePkgs == true && VerifyAndConfigure(Pkg,OList) == false) + if (ConfigurePkgs == true && SmartConfigure(Pkg, 0) == false) { + if (ImmConfigureAll) + _error->Error(_("Could not perform immediate configuration on '%s'. " + "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),1); + else + _error->Error("Internal error, packages left unconfigured. %s",Pkg.Name()); return false; + } List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); } @@ -295,244 +310,162 @@ bool pkgPackageManager::ConfigureAll() /*}}}*/ // PM::SmartConfigure - Perform immediate configuration of the pkg /*{{{*/ // --------------------------------------------------------------------- -/* This routine scheduals the configuration of the given package and all - of it's dependents. */ -bool pkgPackageManager::SmartConfigure(PkgIterator Pkg) +/* This function tries to put the system in a state where Pkg can be configured. + This involves checking each of Pkg's dependanies and unpacking and + configuring packages where needed. + + Note on failure: This method can fail, without causing any problems. + This can happen when using Immediate-Configure-All, SmartUnPack may call + SmartConfigure, it may fail because of a complex dependancy situation, but + a error will only be reported if ConfigureAll fails. This is why some of the + messages this function reports on failure (return false;) as just warnings + only shown when debuging*/ +bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) { - if (Debug == true) - clog << "SmartConfigure " << Pkg.Name() << endl; - - pkgOrderList OList(&Cache); - - if (DepAdd(OList,Pkg) == false) - return false; - - static std::string const conf = _config->Find("PackageManager::Configure","all"); - static bool const ConfigurePkgs = (conf == "all" || conf == "smart"); - - if (ConfigurePkgs == true) - if (OList.OrderConfigure() == false) - return false; - - // Perform the configuring - for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++) - { - PkgIterator Pkg(Cache,*I); - - if (ConfigurePkgs == true && VerifyAndConfigure(Pkg,OList) == false) - return false; - - List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); + // If this is true, only check and correct and dependancies without the Loop flag + bool PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop); + + if (Debug) { + VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer); + clog << OutputInDepth(Depth) << "SmartConfigure " << Pkg.Name() << " (" << InstallVer.VerStr() << ")"; + if (PkgLoop) + clog << " (Only Correct Dependancies)"; + clog << endl; } - if (Cache[Pkg].InstVerIter(Cache)->MultiArch == pkgCache::Version::Same) - for (PkgIterator P = Pkg.Group().PackageList(); - P.end() == false; P = Pkg.Group().NextPkg(P)) - { - if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true || - Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && - (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) - continue; - SmartConfigure(P); - } - - // Sanity Check - if (List->IsFlag(Pkg,pkgOrderList::Configured) == false) - return _error->Error(_("Could not perform immediate configuration on '%s'. " - "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),1); - - return true; -} - -// PM::VerifyConfigure - Check configuration of dependancies /*{{{*/ -// --------------------------------------------------------------------- -/* This routine checks that all a packages dependancies have been - configured, before it is going to be configured. If this gives a warning - on a virtual package, it means that the package thats providing it is not - configured*/ -bool pkgPackageManager::VerifyConfigure(PkgIterator Pkg, pkgOrderList &OList) -{ - // If this is true at the end, then the package should not be configured - bool error=true; - // This holds the the OR status of the previous dependancy - bool previousOr=false; - - // First iterate through the dependancies of Pkg - for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); D.end() == false; D++) + VerIterator const instVer = Cache[Pkg].InstVerIter(Cache); + + /* Because of the ordered list, most dependancies should be unpacked, + however if there is a loop (A depends on B, B depends on A) this will not + be the case, so check for dependancies before configuring. */ + bool Bad = false; + for (DepIterator D = instVer.DependsList(); + D.end() == false; ) { + // Compute a single dependency element (glob or) + pkgCache::DepIterator Start; + pkgCache::DepIterator End; + D.GlobOr(Start,End); - /* If the dependancy is of type Depends or PreDepends, we need to check it, but only if it is going to be - configured at some point */ - if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) { + if (End->Type == pkgCache::Dep::Depends) + Bad = true; + + // Check for dependanices that have not been unpacked, probably due to loops. + while (End->Type == pkgCache::Dep::Depends) { + PkgIterator DepPkg; + VerIterator InstallVer; + SPtrArray VList = Start.AllTargets(); - /* If the previous package and this package are OR dependancies, and the previous package satisfied the dependancy - then skip this dependancy as it is not relevent, this will repeat for the next package if the situation is the - same */ - if (previousOr && !error) { // As error has not been reset, this refers to the previous dependancy - previousOr = (D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or; - continue; - } - - // Reset error - error = true; + // Check through each version of each package that could satisfy this dependancy + for (Version **I = VList; *I != 0; I++) { + VerIterator Ver(Cache,*I); + DepPkg = Ver.ParentPkg(); + InstallVer = VerIterator(Cache,Cache[DepPkg].InstallVer); - // Check thorugh all possible versions of this dependancy (D) - SPtrArray VList = D.AllTargets(); - for (Version **I = VList; *I != 0; I++) - { - VerIterator DepVer(Cache,*I); - PkgIterator DepPkg = DepVer.ParentPkg(); - VerIterator DepInstallVer(Cache,Cache[DepPkg].InstallVer); - - if (DepPkg.CurrentVer() == DepVer && !List->IsFlag(DepPkg,pkgOrderList::UnPacked)) { - error=false; + // Check if the current version of the package is avalible and will satisfy this dependancy + if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && + !List->IsFlag(DepPkg,pkgOrderList::Removed) && DepPkg.State() == PkgIterator::NeedsNothing) + { + Bad = false; break; } - if (Cache[DepPkg].InstallVer == DepVer && - (List->IsFlag(DepPkg,pkgOrderList::Configured) || OList.IsFlag(DepPkg,pkgOrderList::InList))) { - error=false; - break; + // Check if the version that is going to be installed will satisfy the dependancy + if (Cache[DepPkg].InstallVer == *I) { + if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) { + if (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop) { + // This dependancy has already been dealt with by another SmartConfigure on Pkg + Bad = false; + break; + } else if (List->IsFlag(Pkg,pkgOrderList::Loop)) { + /* Check for a loop to prevent one forming + If A depends on B and B depends on A, SmartConfigure will + just hop between them if this is not checked. Dont remove the + loop flag after finishing however as loop is already set. + This means that there is another SmartConfigure call for this + package and it will remove the loop flag */ + Bad = !SmartConfigure(DepPkg, Depth + 1); + } else { + /* Check for a loop to prevent one forming + If A depends on B and B depends on A, SmartConfigure will + just hop between them if this is not checked */ + List->Flag(Pkg,pkgOrderList::Loop); + Bad = !SmartConfigure(DepPkg, Depth + 1); + List->RmFlag(Pkg,pkgOrderList::Loop); + } + // If SmartConfigure was succesfull, Bad is false, so break + if (!Bad) break; + } else if (List->IsFlag(DepPkg,pkgOrderList::Configured)) { + Bad = false; + break; + } } } - - /* Only worry here if this package is a OR with the next, as even though this package does not satisfy the OR - the next one might */ - if (error && !((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)) { - _error->Error("Package %s should not be configured because package %s is not configured",Pkg.Name(),D.TargetPkg().Name()); - return false; - /* If the previous package is a OR but not this package, but there is still an error then fail as it will not - be satisfied */ - } else if (error && previousOr && !((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)) { - _error->Error("Package %s should not be configured because package %s (or any alternatives) are not configured",Pkg.Name(),D.TargetPkg().Name()); - return false; + + /* If the dependany is still not satisfied, try, if possible, unpacking a package to satisfy it */ + if (InstallVer != 0 && Bad) { + if (List->IsNow(DepPkg)) { + Bad = false; + if (List->IsFlag(Pkg,pkgOrderList::Loop)) + { + if (Debug) + std::clog << OutputInDepth(Depth) << "Package " << Pkg << " loops in SmartConfigure" << std::endl; + } + else + { + List->Flag(Pkg,pkgOrderList::Loop); + if (Debug) + cout << OutputInDepth(Depth) << "Unpacking " << DepPkg.Name() << " to avoid loop" << endl; + SmartUnPack(DepPkg, true, Depth + 1); + List->RmFlag(Pkg,pkgOrderList::Loop); + } + } + } + + if (Start==End) { + if (Bad && Debug && List->IsFlag(DepPkg,pkgOrderList::Loop) == false) + std::clog << OutputInDepth(Depth) << "Could not satisfy dependancies for " << Pkg.Name() << std::endl; + break; + } else { + Start++; } - - previousOr = (D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or; - } else { - previousOr=false; } } - return true; -} - -// PM::VerifyAndConfigure - Check configuration of dependancies /*{{{*/ -// --------------------------------------------------------------------- -/* This routine verifies if a package can be configured and if so - configures it */ -bool pkgPackageManager::VerifyAndConfigure(PkgIterator Pkg, pkgOrderList &OList) -{ - if (VerifyConfigure(Pkg, OList)) - return Configure(Pkg); - else - return false; -} - /*}}}*/ -// PM::DepAdd - Add all dependents to the oder list /*{{{*/ -// --------------------------------------------------------------------- -/* This recursively adds all dependents to the order list */ -bool pkgPackageManager::DepAdd(pkgOrderList &OList,PkgIterator Pkg,int Depth) -{ - if (OList.IsFlag(Pkg,pkgOrderList::Added) == true) - return true; - if (List->IsFlag(Pkg,pkgOrderList::Configured) == true) - return true; - if (List->IsFlag(Pkg,pkgOrderList::UnPacked) == false) + if (Bad) { + if (Debug) + _error->Warning(_("Could not configure '%s'. "),Pkg.Name()); return false; + } + + if (PkgLoop) return true; - if (Debug) - std::clog << OutputInDepth(Depth) << "DepAdd: " << Pkg.Name() << std::endl; - - // Put the package on the list - OList.push_back(Pkg); - OList.Flag(Pkg,pkgOrderList::Added); - Depth++; - - // Check the dependencies to see if they are all satisfied. - bool Bad = false; - for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); D.end() == false;) - { - if (D->Type != pkgCache::Dep::Depends && D->Type != pkgCache::Dep::PreDepends) - { - D++; - continue; - } - - // Grok or groups - Bad = true; - for (bool LastOR = true; D.end() == false && LastOR == true; D++) - { - LastOR = (D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or; - - if (Bad == false) - continue; + static std::string const conf = _config->Find("PackageManager::Configure","all"); + static bool const ConfigurePkgs = (conf == "all" || conf == "smart"); - SPtrArray VList = D.AllTargets(); - for (Version **I = VList; *I != 0 && Bad == true; I++) - { - VerIterator Ver(Cache,*I); - PkgIterator Pkg = Ver.ParentPkg(); - VerIterator InstallVer(Cache,Cache[Pkg].InstallVer); - VerIterator CandVer(Cache,Cache[Pkg].CandidateVer); - - if (Debug && false) { - if (Ver==0) { - cout << OutputInDepth(Depth) << "Checking if " << Ver << " of " << Pkg.Name() << " satisfies this dependancy" << endl; - } else { - cout << OutputInDepth(Depth) << "Checking if " << Ver.VerStr() << " of " << Pkg.Name() << " satisfies this dependancy" << endl; - } + if (List->IsFlag(Pkg,pkgOrderList::Configured)) + return _error->Error("Internal configure error on '%s'.", Pkg.Name()); - if (Pkg.CurrentVer()==0) { - cout << OutputInDepth(Depth) << " CurrentVer " << Pkg.CurrentVer() << " IsNow " << List->IsNow(Pkg) << " NeedsNothing " << (Pkg.State() == PkgIterator::NeedsNothing) << endl; - } else { - cout << OutputInDepth(Depth) << " CurrentVer " << Pkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(Pkg) << " NeedsNothing " << (Pkg.State() == PkgIterator::NeedsNothing) << endl; - } + if (ConfigurePkgs == true && Configure(Pkg) == false) + return false; - if (InstallVer==0) { - cout << OutputInDepth(Depth )<< " InstallVer " << InstallVer << endl; - } else { - cout << OutputInDepth(Depth )<< " InstallVer " << InstallVer.VerStr() << endl; - } - if (CandVer != 0) - cout << " CandVer " << CandVer.VerStr() << endl; + List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); - cout << OutputInDepth(Depth) << " Keep " << Cache[Pkg].Keep() << " Unpacked " << List->IsFlag(Pkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(Pkg,pkgOrderList::Configured) << endl; - - } - // See if the current version is ok - if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true && - Pkg.State() == PkgIterator::NeedsNothing) - { - Bad = false; - continue; - } - - // Not the install version - if ((Cache[Pkg].InstallVer != *I && Cache[Pkg].CandidateVer != *I) || - (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing && - (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) - continue; - - if (List->IsFlag(Pkg,pkgOrderList::UnPacked) == true) - Bad = !DepAdd(OList,Pkg,Depth); - if (List->IsFlag(Pkg,pkgOrderList::Configured) == true) - Bad = false; - } - } - - if (Bad == true) + if ((Cache[Pkg].InstVerIter(Cache)->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same) + for (PkgIterator P = Pkg.Group().PackageList(); + P.end() == false; P = Pkg.Group().NextPkg(P)) { - if (Debug) - std::clog << OutputInDepth(Depth) << "DepAdd FAILS on: " << Pkg.Name() << std::endl; - OList.Flag(Pkg,0,pkgOrderList::Added); - OList.pop_back(); - Depth--; - return false; + if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true || + Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && + (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) + continue; + SmartConfigure(P, (Depth +1)); } - } - - Depth--; + + // Sanity Check + if (List->IsFlag(Pkg,pkgOrderList::Configured) == false) + return _error->Error(_("Could not configure '%s'. "),Pkg.Name()); + return true; } /*}}}*/ @@ -562,7 +495,7 @@ bool pkgPackageManager::EarlyRemove(PkgIterator Pkg) if (Pkg->CurrentVer != 0) { for (DepIterator D = Pkg.RevDependsList(); D.end() == false && - IsEssential == false; D++) + IsEssential == false; ++D) if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) if ((D.ParentPkg()->Flags & pkgCache::Flag::Essential) != 0) IsEssential = true; @@ -601,33 +534,36 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg) /*}}}*/ // PM::SmartUnPack - Install helper /*{{{*/ // --------------------------------------------------------------------- -/* This performs the task of handling pre-depends. */ +/* This puts the system in a state where it can Unpack Pkg, if Pkg is allready + unpacked, or when it has been unpacked, if Immediate==true it configures it. */ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg) { - return SmartUnPack(Pkg, true); + return SmartUnPack(Pkg, true, 0); } -bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) +bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int const Depth) { - if (Debug == true) - clog << "SmartUnPack " << Pkg.Name() << endl; + bool PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop); - // Check if it is already unpacked - if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure && - Cache[Pkg].Keep() == true) - { - List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States); - if (Immediate == true && - List->IsFlag(Pkg,pkgOrderList::Immediate) == true) - if (SmartConfigure(Pkg) == false) - return _error->Error(_("Could not perform immediate configuration on already unpacked '%s'. " - "Please see man 5 apt.conf under APT::Immediate-Configure for details."),Pkg.Name()); - return true; + if (Debug) { + clog << OutputInDepth(Depth) << "SmartUnPack " << Pkg.Name(); + VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer); + if (Pkg.CurrentVer() == 0) + cout << " (install version " << InstallVer.VerStr() << ")"; + else + cout << " (replace version " << Pkg.CurrentVer().VerStr() << " with " << InstallVer.VerStr() << ")"; + if (PkgLoop) + cout << " (Only Perform PreUnpack Checks)"; + cout << endl; } - + VerIterator const instVer = Cache[Pkg].InstVerIter(Cache); - /* See if this packages install version has any predependencies - that are not met by 'now' packages. */ + /* PreUnpack Checks: This loop checks and attempts to rectify and problems that would prevent the package being unpacked. + It addresses: PreDepends, Conflicts, Obsoletes and Breaks (DpkgBreaks). Any resolutions that do not require it should + avoid configuration (calling SmartUnpack with Immediate=true), this is because when unpacking some packages with + complex dependancy structures, trying to configure some packages while breaking the loops can complicate things . + This will be either dealt with if the package is configured as a dependency of Pkg (if and when Pkg is configured), + or by the ConfigureAll call at the end of the for loop in OrderInstall. */ for (DepIterator D = instVer.DependsList(); D.end() == false; ) { @@ -639,7 +575,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) while (End->Type == pkgCache::Dep::PreDepends) { if (Debug) - clog << "PreDepends order for " << Pkg.Name() << std::endl; + clog << OutputInDepth(Depth) << "PreDepends order for " << Pkg.Name() << std::endl; // Look for possible ok targets. SPtrArray VList = Start.AllTargets(); @@ -655,7 +591,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) { Bad = false; if (Debug) - clog << "Found ok package " << Pkg.Name() << endl; + clog << OutputInDepth(Depth) << "Found ok package " << Pkg.Name() << endl; continue; } } @@ -670,10 +606,15 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) if (Cache[Pkg].InstallVer != *I || (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing)) continue; + + if (List->IsFlag(Pkg,pkgOrderList::Configured)) { + Bad = false; + continue; + } if (Debug) - clog << "Trying to SmartConfigure " << Pkg.Name() << endl; - Bad = !SmartConfigure(Pkg); + clog << OutputInDepth(Depth) << "Trying to SmartConfigure " << Pkg.Name() << endl; + Bad = !SmartConfigure(Pkg, Depth + 1); } /* If this or element did not match then continue on to the @@ -685,7 +626,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) return _error->Error("Couldn't configure pre-depend %s for %s, " "probably a dependency cycle.", End.TargetPkg().Name(),Pkg.Name()); - Start++; + ++Start; } else break; @@ -704,46 +645,27 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) VerIterator InstallVer(Cache,Cache[ConflictPkg].InstallVer); // See if the current version is conflicting - if (ConflictPkg.CurrentVer() == Ver && !List->IsFlag(ConflictPkg,pkgOrderList::UnPacked)) - { - if (Debug && false) - cout << " " << Pkg.Name() << " conflicts with " << ConflictPkg.Name() << endl; - - if (Debug && false) { - if (Ver==0) { - cout << " Checking if " << Ver << " of " << ConflictPkg.Name() << " satisfies this dependancy" << endl; - } else { - cout << " Checking if " << Ver.VerStr() << " of " << ConflictPkg.Name() << " satisfies this dependancy" << endl; - } - - if (ConflictPkg.CurrentVer()==0) { - cout << " CurrentVer " << ConflictPkg.CurrentVer() << " IsNow " << List->IsNow(ConflictPkg) << " NeedsNothing " << (ConflictPkg.State() == PkgIterator::NeedsNothing) << endl; - } else { - cout << " CurrentVer " << ConflictPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(ConflictPkg) << " NeedsNothing " << (ConflictPkg.State() == PkgIterator::NeedsNothing) << endl; - } - - if (InstallVer==0) { - cout << " InstallVer " << InstallVer << endl; - } else { - cout << " InstallVer " << InstallVer.VerStr() << endl; - } - - cout << " Keep " << Cache[ConflictPkg].Keep() << " Unpacked " << List->IsFlag(ConflictPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(ConflictPkg,pkgOrderList::Configured) << " Removed " << List->IsFlag(ConflictPkg,pkgOrderList::Removed) << " Loop " << List->IsFlag(ConflictPkg,pkgOrderList::Loop) << endl; - cout << " Delete " << Cache[ConflictPkg].Delete() << endl; - } - + if (ConflictPkg.CurrentVer() == Ver && List->IsNow(ConflictPkg)) + { + cout << OutputInDepth(Depth) << Pkg.Name() << " conflicts with " << ConflictPkg.Name() << endl; + /* If a loop is not present or has not yet been detected, attempt to unpack packages + to resolve this conflict. If there is a loop present, remove packages to resolve this conflict */ if (!List->IsFlag(ConflictPkg,pkgOrderList::Loop)) { if (Cache[ConflictPkg].Keep() == 0 && Cache[ConflictPkg].InstallVer != 0) { - cout << "Unpacking " << ConflictPkg.Name() << " to prevent conflict" << endl; - List->Flag(Pkg,pkgOrderList::Loop); - SmartUnPack(ConflictPkg,false); + if (Debug) + cout << OutputInDepth(Depth) << OutputInDepth(Depth) << "Unpacking " << ConflictPkg.Name() << " to prevent conflict" << endl; + List->Flag(Pkg,pkgOrderList::Loop); + SmartUnPack(ConflictPkg,false, Depth + 1); + // Remove loop to allow it to be used later if needed + List->RmFlag(Pkg,pkgOrderList::Loop); } else { if (EarlyRemove(ConflictPkg) == false) return _error->Error("Internal Error, Could not early remove %s",ConflictPkg.Name()); } } else { if (!List->IsFlag(ConflictPkg,pkgOrderList::Removed)) { - cout << "Because of conficts knot, removing " << ConflictPkg.Name() << " to conflict violation" << endl; + if (Debug) + cout << OutputInDepth(Depth) << "Because of conficts knot, removing " << ConflictPkg.Name() << " to conflict violation" << endl; if (EarlyRemove(ConflictPkg) == false) return _error->Error("Internal Error, Could not early remove %s",ConflictPkg.Name()); } @@ -761,186 +683,98 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) PkgIterator BrokenPkg = Ver.ParentPkg(); VerIterator InstallVer(Cache,Cache[BrokenPkg].InstallVer); - cout << " " << Pkg.Name() << " breaks " << BrokenPkg.Name() << endl; - if (Debug && false) { - if (Ver==0) { - cout << " Checking if " << Ver << " of " << BrokenPkg.Name() << " satisfies this dependancy" << endl; - } else { - cout << " Checking if " << Ver.VerStr() << " of " << BrokenPkg.Name() << " satisfies this dependancy" << endl; - } - - if (BrokenPkg.CurrentVer()==0) { - cout << " CurrentVer " << BrokenPkg.CurrentVer() << " IsNow " << List->IsNow(BrokenPkg) << " NeedsNothing " << (BrokenPkg.State() == PkgIterator::NeedsNothing) << endl; - } else { - cout << " CurrentVer " << BrokenPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(BrokenPkg) << " NeedsNothing " << (BrokenPkg.State() == PkgIterator::NeedsNothing) << endl; - } - - if (InstallVer==0) { - cout << " InstallVer " << InstallVer << endl; - } else { - cout << " InstallVer " << InstallVer.VerStr() << endl; - } - - cout << " Keep " << Cache[BrokenPkg].Keep() << " Unpacked " << List->IsFlag(BrokenPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(BrokenPkg,pkgOrderList::Configured) << " Removed " << List->IsFlag(BrokenPkg,pkgOrderList::Removed) << " Loop " << List->IsFlag(BrokenPkg,pkgOrderList::Loop) << " InList " << List->IsFlag(BrokenPkg,pkgOrderList::InList) << endl; - cout << " Delete " << Cache[BrokenPkg].Delete() << endl; - } // Check if it needs to be unpacked if (List->IsFlag(BrokenPkg,pkgOrderList::InList) && Cache[BrokenPkg].Delete() == false && - !List->IsFlag(BrokenPkg,pkgOrderList::Loop) && List->IsNow(BrokenPkg)) { - List->Flag(Pkg,pkgOrderList::Loop); - // Found a break, so unpack the package - if (Debug) - cout << " Unpacking " << BrokenPkg.Name() << " to avoid break" << endl; - SmartUnPack(BrokenPkg, false); + List->IsNow(BrokenPkg)) { + if (List->IsFlag(BrokenPkg,pkgOrderList::Loop) && PkgLoop) { + // This dependancy has already been dealt with by another SmartUnPack on Pkg + break; + } else if (List->IsFlag(Pkg,pkgOrderList::Loop)) { + /* Found a break, so unpack the package, but dont remove loop as already set. + This means that there is another SmartUnPack call for this + package and it will remove the loop flag. */ + if (Debug) + cout << OutputInDepth(Depth) << " Unpacking " << BrokenPkg.Name() << " to avoid break" << endl; + + SmartUnPack(BrokenPkg, false, Depth + 1); + } else { + List->Flag(Pkg,pkgOrderList::Loop); + // Found a break, so unpack the package + if (Debug) + cout << OutputInDepth(Depth) << " Unpacking " << BrokenPkg.Name() << " to avoid break" << endl; + + SmartUnPack(BrokenPkg, false, Depth + 1); + List->RmFlag(Pkg,pkgOrderList::Loop); + } } + // Check if a package needs to be removed if (Cache[BrokenPkg].Delete() == true && !List->IsFlag(BrokenPkg,pkgOrderList::Configured)) { if (Debug) - cout << " Removing " << BrokenPkg.Name() << " to avoid break" << endl; + cout << OutputInDepth(Depth) << " Removing " << BrokenPkg.Name() << " to avoid break" << endl; SmartRemove(BrokenPkg); } } } } - // FIXME: Crude but effective fix, allows the SmartUnPack method to be used for packages that new to the system - if (instVer != 0) { - //cout << "Check for reverse conflicts on " << Pkg.Name() << " " << instVer.VerStr() << endl; - - // Check for reverse conflicts. - if (CheckRConflicts(Pkg,Pkg.RevDependsList(), + // Check for reverse conflicts. + if (CheckRConflicts(Pkg,Pkg.RevDependsList(), instVer.VerStr()) == false) - return false; + return false; - for (PrvIterator P = instVer.ProvidesList(); - P.end() == false; P++) - CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion()); - - List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States); + for (PrvIterator P = instVer.ProvidesList(); + P.end() == false; ++P) + if (Pkg->Group != P.OwnerPkg()->Group) + CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion()); - if (instVer->MultiArch == pkgCache::Version::Same) - for (PkgIterator P = Pkg.Group().PackageList(); - P.end() == false; P = Pkg.Group().NextPkg(P)) - { - if (Pkg == P || List->IsFlag(P,pkgOrderList::UnPacked) == true || - Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && - (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) - continue; - SmartUnPack(P, false); - } - - } else { - VerIterator InstallVer(Cache,Cache[Pkg].InstallVer); - //cout << "Check for reverse conflicts on " << Pkg.Name() << " " << InstallVer.VerStr() << endl; - - // Check for reverse conflicts. - if (CheckRConflicts(Pkg,Pkg.RevDependsList(), - InstallVer.VerStr()) == false) - return false; - - List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States); - } + if (PkgLoop) + return true; - if(Install(Pkg,FileNames[Pkg->ID]) == false) - return false; + List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States); - /* Because of the ordered list, most dependancies should be unpacked, - however if there is a loop this is not the case, so check for dependancies before configuring. - This is done after the package installation as it makes it easier to deal with conflicts problems */ - for (DepIterator D = instVer.DependsList(); - D.end() == false; ) + if (Immediate == true && instVer->MultiArch == pkgCache::Version::Same) { - // Compute a single dependency element (glob or) - pkgCache::DepIterator Start; - pkgCache::DepIterator End; - D.GlobOr(Start,End); - - // Check for dependanices that have not been unpacked, probably due to loops. - bool Bad = true; - while (End->Type == pkgCache::Dep::Depends) { - PkgIterator DepPkg; - VerIterator InstallVer; - SPtrArray VList = Start.AllTargets(); - - for (Version **I = VList; *I != 0; I++) { - VerIterator Ver(Cache,*I); - DepPkg = Ver.ParentPkg(); - - if (!Bad) continue; - - InstallVer = VerIterator(Cache,Cache[DepPkg].InstallVer); - VerIterator CandVer(Cache,Cache[DepPkg].CandidateVer); - - if (Debug && false) { - if (Ver==0) { - cout << " Checking if " << Ver << " of " << DepPkg.Name() << " satisfies this dependancy" << endl; - } else { - cout << " Checking if " << Ver.VerStr() << " of " << DepPkg.Name() << " satisfies this dependancy" << endl; - } - - if (DepPkg.CurrentVer()==0) { - cout << " CurrentVer " << DepPkg.CurrentVer() << " IsNow " << List->IsNow(DepPkg) << " NeedsNothing " << (DepPkg.State() == PkgIterator::NeedsNothing) << endl; - } else { - cout << " CurrentVer " << DepPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(DepPkg) << " NeedsNothing " << (DepPkg.State() == PkgIterator::NeedsNothing) << endl; - } - - if (InstallVer==0) { - cout << " InstallVer " << InstallVer << endl; - } else { - cout << " InstallVer " << InstallVer.VerStr() << endl; - } - if (CandVer != 0) - cout << " CandVer " << CandVer.VerStr() << endl; - - cout << " Keep " << Cache[DepPkg].Keep() << " Unpacked " << List->IsFlag(DepPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(DepPkg,pkgOrderList::Configured) << endl; - - } - - // Check if it satisfies this dependancy - if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && - DepPkg.State() == PkgIterator::NeedsNothing) - { - Bad = false; - continue; - } - - if (Cache[DepPkg].InstallVer == *I && !List->IsNow(DepPkg)) { - Bad = false; - continue; - } - } - - if (InstallVer != 0 && Bad) { - Bad = false; - // Found a break, so unpack the package - List->Flag(Pkg,pkgOrderList::Loop); - if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) { - if (Debug) - cout << " Unpacking " << DepPkg.Name() << " to avoid loop" << endl; - SmartUnPack(DepPkg, false); - } - } - - if (Start==End) { - if (Bad) { - //return - _error->Error("Could not satisfy dependancies for %s",Pkg.Name()); - } - break; - - } else { - Start++; - } + /* Do lockstep M-A:same unpacking in two phases: + First unpack all installed architectures, then the not installed. + This way we avoid that M-A: enabled packages are installed before + their older non-M-A enabled packages are replaced by newer versions */ + bool const installed = Pkg->CurrentVer != 0; + if (installed == true && Install(Pkg,FileNames[Pkg->ID]) == false) + return false; + for (PkgIterator P = Pkg.Group().PackageList(); + P.end() == false; P = Pkg.Group().NextPkg(P)) + { + if (P->CurrentVer == 0 || P == Pkg || List->IsFlag(P,pkgOrderList::UnPacked) == true || + Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && + (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) + continue; + if (SmartUnPack(P, false, Depth + 1) == false) + return false; + } + if (installed == false && Install(Pkg,FileNames[Pkg->ID]) == false) + return false; + for (PkgIterator P = Pkg.Group().PackageList(); + P.end() == false; P = Pkg.Group().NextPkg(P)) + { + if (P->CurrentVer != 0 || P == Pkg || List->IsFlag(P,pkgOrderList::UnPacked) == true || + Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && + (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) + continue; + if (SmartUnPack(P, false, Depth + 1) == false) + return false; } } - - // Perform immedate configuration of the package. - if (Immediate == true && - List->IsFlag(Pkg,pkgOrderList::Immediate) == true) - if (SmartConfigure(Pkg) == false) - //return - _error->Error(_("Could not perform immediate configuration on '%s'. " - "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),2); + // packages which are already unpacked don't need to be unpacked again + else if (Pkg.State() != pkgCache::PkgIterator::NeedsConfigure && Install(Pkg,FileNames[Pkg->ID]) == false) + return false; + + if (Immediate == true) { + // Perform immedate configuration of the package. + if (SmartConfigure(Pkg, Depth + 1) == false) + _error->Warning(_("Could not perform immediate configuration on '%s'. " + "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),2); + } return true; } @@ -971,15 +805,22 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall() clog << "Done ordering" << endl; bool DoneSomething = false; - for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++) + for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) { PkgIterator Pkg(Cache,*I); if (List->IsNow(Pkg) == false) { - if (Debug == true) - clog << "Skipping already done " << Pkg.Name() << endl; + if (!List->IsFlag(Pkg,pkgOrderList::Configured) && !NoImmConfigure) { + if (SmartConfigure(Pkg, 0) == false && Debug) + _error->Warning("Internal Error, Could not configure %s",Pkg.Name()); + // FIXME: The above warning message might need changing + } else { + if (Debug == true) + clog << "Skipping already done " << Pkg.Name() << endl; + } continue; + } if (List->IsMissing(Pkg) == true) @@ -1010,9 +851,16 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall() return Failed; } else - if (SmartUnPack(Pkg) == false) + if (SmartUnPack(Pkg,List->IsFlag(Pkg,pkgOrderList::Immediate),0) == false) return Failed; DoneSomething = true; + + if (ImmConfigureAll) { + /* ConfigureAll here to pick up and packages left unconfigured becuase they were unpacked in the + "PreUnpack Checks" section */ + if (!ConfigureAll()) + return Failed; + } } // Final run through the configure phase @@ -1020,7 +868,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall() return Failed; // Sanity check - for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++) + for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) { if (List->IsFlag(*I,pkgOrderList::Configured) == false) {