/*}}}*/
using namespace std;
+bool pkgPackageManager::SigINTStop = false;
+
// PM::PackageManager - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
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++)
continue;
// Mark the package and its dependends for immediate configuration
- if (((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential ||
+ if ((((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential ||
(I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) &&
- NoImmConfigure == false)
+ NoImmConfigure == false) || ImmConfigureAll)
{
- if(Debug)
+ if(Debug && !ImmConfigureAll)
clog << "CreateOrderList(): Adding Immediate flag for " << I.Name() << endl;
List->Flag(I,pkgOrderList::Immediate);
-
- // Look for other install packages to make immediate configurea
- ImmediateAdd(I, true);
- // And again with the current version.
- ImmediateAdd(I, false);
+ if (!ImmConfigureAll) {
+ // Look for other install packages to make immediate configurea
+ ImmediateAdd(I, true);
+
+ // And again with the current version.
+ ImmediateAdd(I, false);
+ }
}
// Not interesting
// 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);
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 && Configure(Pkg) == false)
+ if (ConfigurePkgs == true && SmartConfigure(Pkg) == 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);
}
/*}}}*/
// PM::SmartConfigure - Perform immediate configuration of the pkg /*{{{*/
// ---------------------------------------------------------------------
-/* This routine scheduals the configuration of the given package and all
- of it's dependents. */
+/* 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)
{
- if (Debug == true)
+ if (Debug)
clog << "SmartConfigure " << Pkg.Name() << endl;
+
+ 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 (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<Version *> VList = Start.AllTargets();
+
+ // 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);
- pkgOrderList OList(&Cache);
-
- if (DepAdd(OList,Pkg) == 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;
+ }
+
+ // 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)) {
+ /* 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 */
+ if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+ List->Flag(Pkg,pkgOrderList::Loop);
+ // If SmartConfigure was succesfull, Bad is false, so break
+ Bad = !SmartConfigure(DepPkg);
+ List->RmFlag(Pkg,pkgOrderList::Loop);
+ if (!Bad) break;
+ }
+ } else if (List->IsFlag(DepPkg,pkgOrderList::Configured)) {
+ Bad = false;
+ break;
+ }
+ }
+ }
+
+ /* If the dependany is still not satisfied, try, if possible, unpacking a package to satisfy it */
+ if (InstallVer != 0 && Bad) {
+ Bad = false;
+ if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+ List->Flag(Pkg,pkgOrderList::Loop);
+ if (Debug)
+ cout << " Unpacking " << DepPkg.Name() << " to avoid loop" << endl;
+ SmartUnPack(DepPkg, true);
+ //List->Flag(Pkg,~pkgOrderList::Loop);
+ }
+ }
+
+ if (Start==End) {
+ if (Bad && Debug) {
+ if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+ _error->Warning("Could not satisfy dependancies for %s",Pkg.Name());
+ }
+ }
+ break;
+ } else {
+ Start++;
+ }
+ }
+ }
+
+ if (Bad) {
+ if (Debug)
+ _error->Warning(_("Could not configure '%s'. "),Pkg.Name());
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;
+ if (List->IsFlag(Pkg,pkgOrderList::Configured))
+ return _error->Error("Internal configure error on '%s'. ",Pkg.Name(),1);
- // Perform the configuring
- for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++)
- {
- PkgIterator Pkg(Cache,*I);
-
- if (ConfigurePkgs == true && Configure(Pkg) == false)
- return false;
+ if (ConfigurePkgs == true && Configure(Pkg) == false)
+ return false;
- List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
- }
+ List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
if (Cache[Pkg].InstVerIter(Cache)->MultiArch == pkgCache::Version::Same)
for (PkgIterator P = Pkg.Group().PackageList();
// 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 _error->Error(_("Could not configure '%s'. "),Pkg.Name());
return true;
}
/*}}}*/
-// 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)
- return false;
-
- 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;
-
- SPtrArray<Version *> VList = D.AllTargets();
- for (Version **I = VList; *I != 0 && Bad == true; I++)
- {
- VerIterator Ver(Cache,*I);
- PkgIterator Pkg = Ver.ParentPkg();
-
- // 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].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
- 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 (Debug)
- std::clog << OutputInDepth(Depth) << "DepAdd FAILS on: " << Pkg.Name() << std::endl;
- OList.Flag(Pkg,0,pkgOrderList::Added);
- OList.pop_back();
- Depth--;
- return false;
- }
- }
-
- Depth--;
- return true;
-}
- /*}}}*/
// PM::EarlyRemove - Perform removal of packages before their time /*{{{*/
// ---------------------------------------------------------------------
/* This is called to deal with conflicts arising from unpacking */
/*}}}*/
// 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);
}
bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate)
{
+ if (Debug)
+ clog << "SmartUnPack " << Pkg.Name() << endl;
+
// Check if it is already unpacked
if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure &&
Cache[Pkg].Keep() == true)
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'. "
+ _error->Warning(_("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;
}
-
+
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; )
{
while (End->Type == pkgCache::Dep::PreDepends)
{
- if (Debug == true)
+ if (Debug)
clog << "PreDepends order for " << Pkg.Name() << std::endl;
// Look for possible ok targets.
Pkg.State() == PkgIterator::NeedsNothing)
{
Bad = false;
- if (Debug == true)
+ if (Debug)
clog << "Found ok package " << Pkg.Name() << endl;
continue;
}
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 == true)
+ if (Debug)
clog << "Trying to SmartConfigure " << Pkg.Name() << endl;
Bad = !SmartConfigure(Pkg);
}
End.TargetPkg().Name(),Pkg.Name());
Start++;
}
- else
+ else
break;
}
for (Version **I = VList; *I != 0; I++)
{
VerIterator Ver(Cache,*I);
- PkgIterator Pkg = Ver.ParentPkg();
+ PkgIterator ConflictPkg = Ver.ParentPkg();
+ VerIterator InstallVer(Cache,Cache[ConflictPkg].InstallVer);
// See if the current version is conflicting
- if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true)
- {
- if (EarlyRemove(Pkg) == false)
- return _error->Error("Internal Error, Could not early remove %s",Pkg.Name());
+ if (ConflictPkg.CurrentVer() == Ver && List->IsNow(ConflictPkg))
+ {
+ cout << 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) {
+ if (Debug)
+ cout << "Unpacking " << ConflictPkg.Name() << " to prevent conflict" << endl;
+ List->Flag(Pkg,pkgOrderList::Loop);
+ SmartUnPack(ConflictPkg,false);
+ // 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)) {
+ if (Debug)
+ cout << "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());
+ }
+ }
+ }
+ }
+ }
+
+ // 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 BrokenPkg = Ver.ParentPkg();
+ VerIterator InstallVer(Cache,Cache[BrokenPkg].InstallVer);
+
+ // 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->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;
+ SmartRemove(BrokenPkg);
}
}
}
}
-
+
// 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());
+ P.end() == false; P++)
+ CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());
List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
if (instVer->MultiArch == pkgCache::Version::Same)
for (PkgIterator P = Pkg.Group().PackageList();
- P.end() == false; P = Pkg.Group().NextPkg(P))
+ 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);
+ 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);
}
if(Install(Pkg,FileNames[Pkg->ID]) == 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);
+ if (Immediate == true && List->IsFlag(Pkg,pkgOrderList::Immediate) == true) {
+
+ // Perform immedate configuration of the package.
+ if (SmartConfigure(Pkg) == 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;
}
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) == 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)
if (SmartUnPack(Pkg) == 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
PkgIterator(Cache,*I).Name());
return Failed;
}
- }
+ }
return Completed;
}
return DoInstallPostFork(statusFd);
}
- /*}}}*/
+ /*}}}*/
projects / apt.git / blobdiff