diff options
Diffstat (limited to 'apt-pkg/packagemanager.cc')
| -rw-r--r-- | apt-pkg/packagemanager.cc | 116 |
1 files changed, 113 insertions, 3 deletions
diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc index fe9f6eb68..7fcaa8d41 100644 --- a/apt-pkg/packagemanager.cc +++ b/apt-pkg/packagemanager.cc @@ -278,7 +278,7 @@ bool pkgPackageManager::ConfigureAll() { PkgIterator Pkg(Cache,*I); - if (ConfigurePkgs == true && Configure(Pkg) == false) + if (ConfigurePkgs == true && VerifyAndConfigure(Pkg,OList) == false) return false; List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); @@ -313,7 +313,7 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg) { PkgIterator Pkg(Cache,*I); - if (ConfigurePkgs == true && Configure(Pkg) == false) + if (ConfigurePkgs == true && VerifyAndConfigure(Pkg,OList) == false) return false; List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); @@ -337,6 +337,91 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg) 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++) + { + + /* 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 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 thorugh all possible versions of this dependancy (D) + SPtrArray<Version *> 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; + break; + } + + if (Cache[DepPkg].InstallVer == DepVer && + (List->IsFlag(DepPkg,pkgOrderList::Configured) || OList.IsFlag(DepPkg,pkgOrderList::InList))) { + error=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; + } + + 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 /*{{{*/ // --------------------------------------------------------------------- @@ -391,6 +476,13 @@ bool pkgPackageManager::DepAdd(pkgOrderList &OList,PkgIterator Pkg,int Depth) continue; } + // Check if this package is being re-installed + if ((Cache[Pkg].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall && Cache[Pkg].InstallVer != *I && + List->IsNow(Pkg) == true && Pkg.State() == PkgIterator::NeedsNothing) { + Bad = false; + continue; + } + // Not the install version if (Cache[Pkg].InstallVer != *I || (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing)) @@ -490,6 +582,9 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg) } bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) { + if (Debug == true) + clog << "SmartUnPack " << Pkg.Name() << endl; + // Check if it is already unpacked if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure && Cache[Pkg].Keep() == true) @@ -589,6 +684,21 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate) } } } + + // Check for breaks + if (End->Type == pkgCache::Dep::DpkgBreaks) { + SPtrArray<Version *> VList = End.AllTargets(); + for (Version **I = VList; *I != 0; I++) + { + VerIterator Ver(Cache,*I); + PkgIterator Pkg = Ver.ParentPkg(); + // Check if it needs to be unpacked + if (List->IsFlag(Pkg,pkgOrderList::InList) && Cache[Pkg].Delete() == false) { + // Found a break, so unpack the package + SmartUnPack(Pkg, false); + } + } + } } // Check for reverse conflicts. @@ -741,4 +851,4 @@ pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd) return DoInstallPostFork(statusFd); } - /*}}}*/ + /*}}}*/ |