##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#include<config.h>
+#include <config.h>
#include <apt-pkg/packagemanager.h>
#include <apt-pkg/orderlist.h>
#include <apt-pkg/algorithms.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/sptr.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/strutl.h>
+
+#include <stddef.h>
+#include <list>
+#include <string>
+#include <iostream>
#include <apti18n.h>
-#include <iostream>
-#include <fcntl.h>
/*}}}*/
using namespace std;
return true;
}
/*}}}*/
-// PM::DepAlwaysTrue - Returns true if this dep is irrelevent /*{{{*/
+// PM::DepAlwaysTrue - Returns true if this dep is irrelevant /*{{{*/
// ---------------------------------------------------------------------
/* The restriction on provides is to eliminate the case when provides
are transitioning between valid states [ie exim to smail] */
D->Type != pkgCache::Dep::Obsoletes)
continue;
- // The package hasnt been changed
+ // The package hasn't been changed
if (List->IsNow(Pkg) == false)
continue;
- // Ignore self conflicts, ignore conflicts from irrelevent versions
+ // Ignore self conflicts, ignore conflicts from irrelevant versions
if (D.IsIgnorable(Pkg) || D.ParentVer() != D.ParentPkg().CurrentVer())
continue;
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
+ SmartConfigure, it may fail because of a complex dependency 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*/
however if there is a loop (A depends on B, B depends on A) this will not
be the case, so check for dependencies before configuring. */
bool Bad = false, Changed = false;
- do {
+ const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 5000);
+ unsigned int i=0;
+ std::list<DepIterator> needConfigure;
+ do
+ {
Changed = false;
for (DepIterator D = instVer.DependsList(); D.end() == false; )
{
continue;
Bad = true;
- // Search for dependencies which are unpacked but aren't configured yet (maybe loops)
+ // Check for dependencies that have not been unpacked, probably due to loops.
for (DepIterator Cur = Start; true; ++Cur)
{
SPtrArray<Version *> VList = Cur.AllTargets();
}
// Check if the version that is going to be installed will satisfy the dependency
- if (Cache[DepPkg].InstallVer != *I)
+ if (Cache[DepPkg].InstallVer != *I || List->IsNow(DepPkg) == false)
continue;
- if (List->IsFlag(DepPkg,pkgOrderList::UnPacked))
+ if (PkgLoop == true)
{
- if (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop)
- {
- // This dependency has already been dealt with by another SmartConfigure on Pkg
- Bad = false;
- break;
- }
- /* 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 */
+ if (Debug)
+ std::clog << OutputInDepth(Depth) << "Package " << Pkg << " loops in SmartConfigure" << std::endl;
+ Bad = false;
+ break;
+ }
+ else
+ {
+ if (Debug)
+ clog << OutputInDepth(Depth) << "Unpacking " << DepPkg.FullName() << " to avoid loop " << Cur << endl;
if (PkgLoop == false)
List->Flag(Pkg,pkgOrderList::Loop);
- if (SmartConfigure(DepPkg, Depth + 1) == true)
+ if (SmartUnPack(DepPkg, true, Depth + 1) == true)
{
Bad = false;
if (List->IsFlag(DepPkg,pkgOrderList::Loop) == false)
- Changed = true;
+ Changed = true;
}
if (PkgLoop == false)
- List->RmFlag(Pkg,pkgOrderList::Loop);
- // If SmartConfigure was succesfull, Bad is false, so break
+ List->RmFlag(Pkg,pkgOrderList::Loop);
if (Bad == false)
break;
}
- else if (List->IsFlag(DepPkg,pkgOrderList::Configured))
- {
- Bad = false;
- break;
- }
}
- if (Cur == End)
+
+ if (Cur == End || Bad == false)
break;
- }
+ }
if (Bad == false)
continue;
- // Check for dependencies that have not been unpacked, probably due to loops.
+ needConfigure.push_back(Start);
+ }
+ if (i++ > max_loops)
+ return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (1) for %s, aborting", Pkg.FullName().c_str());
+ } while (Changed == true);
+
+ Bad = false, Changed = false, i = 0;
+ do
+ {
+ Changed = false;
+ for (std::list<DepIterator>::const_iterator D = needConfigure.begin(); D != needConfigure.end(); ++D)
+ {
+ // Compute a single dependency element (glob or) without modifying D
+ pkgCache::DepIterator Start, End;
+ {
+ pkgCache::DepIterator Discard = *D;
+ Discard.GlobOr(Start,End);
+ }
+
+ if (End->Type != pkgCache::Dep::Depends)
+ continue;
+ Bad = true;
+
+ // Search for dependencies which are unpacked but aren't configured yet (maybe loops)
for (DepIterator Cur = Start; true; ++Cur)
{
SPtrArray<Version *> VList = Cur.AllTargets();
PkgIterator DepPkg = Ver.ParentPkg();
// Check if the version that is going to be installed will satisfy the dependency
- if (Cache[DepPkg].InstallVer != *I || List->IsNow(DepPkg) == false)
+ if (Cache[DepPkg].InstallVer != *I)
continue;
- if (PkgLoop == true)
- {
- if (Debug)
- std::clog << OutputInDepth(Depth) << "Package " << Pkg << " loops in SmartConfigure" << std::endl;
- Bad = false;
- break;
- }
- else
+ if (List->IsFlag(DepPkg,pkgOrderList::UnPacked))
{
- if (Debug)
- clog << OutputInDepth(Depth) << "Unpacking " << DepPkg.FullName() << " to avoid loop " << Cur << endl;
+ if (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop)
+ {
+ // This dependency has already been dealt with by another SmartConfigure on Pkg
+ Bad = false;
+ break;
+ }
+ /* 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 */
if (PkgLoop == false)
List->Flag(Pkg,pkgOrderList::Loop);
- if (SmartUnPack(DepPkg, true, Depth + 1) == true)
+ if (SmartConfigure(DepPkg, Depth + 1) == true)
{
Bad = false;
if (List->IsFlag(DepPkg,pkgOrderList::Loop) == false)
- Changed = true;
+ Changed = true;
}
if (PkgLoop == false)
- List->RmFlag(Pkg,pkgOrderList::Loop);
+ List->RmFlag(Pkg,pkgOrderList::Loop);
+ // If SmartConfigure was succesfull, Bad is false, so break
if (Bad == false)
break;
}
+ else if (List->IsFlag(DepPkg,pkgOrderList::Configured))
+ {
+ Bad = false;
+ break;
+ }
}
-
- if (Cur == End)
+ if (Cur == End || Bad == false)
break;
- }
+ }
+
if (Bad == true && Changed == false && Debug == true)
- std::clog << OutputInDepth(Depth) << "Could not satisfy " << Start << std::endl;
+ std::clog << OutputInDepth(Depth) << "Could not satisfy " << *D << std::endl;
}
+ if (i++ > max_loops)
+ return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (2) for %s, aborting", Pkg.FullName().c_str());
} while (Changed == true);
if (Bad) {
P.end() == false; P = Pkg.Group().NextPkg(P))
{
if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true ||
+ List->IsFlag(P,pkgOrderList::UnPacked) == false ||
Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
(Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
continue;
/*}}}*/
// PM::SmartUnPack - Install helper /*{{{*/
// ---------------------------------------------------------------------
-/* This puts the system in a state where it can Unpack Pkg, if Pkg is allready
+/* This puts the system in a state where it can Unpack Pkg, if Pkg is already
unpacked, or when it has been unpacked, if Immediate==true it configures it. */
bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
{
clog << " (replace version " << Pkg.CurrentVer().VerStr() << " with " << InstallVer.VerStr() << ")";
if (PkgLoop)
clog << " (Only Perform PreUnpack Checks)";
+ if (Immediate)
+ clog << " immediately";
clog << endl;
}
/* 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 .
+ complex dependency 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. */
bool Changed = false;
- do {
+ const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 5000);
+ unsigned int i = 0;
+ do
+ {
Changed = false;
for (DepIterator D = instVer.DependsList(); D.end() == false; )
{
// Look for easy targets: packages that are already okay
for (DepIterator Cur = Start; Bad == true; ++Cur)
{
- SPtrArray<Version *> VList = Start.AllTargets();
+ SPtrArray<Version *> VList = Cur.AllTargets();
for (Version **I = VList; *I != 0; ++I)
{
VerIterator Ver(Cache,*I);
}
// Look for something that could be configured.
- for (DepIterator Cur = Start; Bad == true; ++Cur)
+ for (DepIterator Cur = Start; Bad == true && Cur.end() == false; ++Cur)
{
- SPtrArray<Version *> VList = Start.AllTargets();
+ SPtrArray<Version *> VList = Cur.AllTargets();
for (Version **I = VList; *I != 0; ++I)
{
VerIterator Ver(Cache,*I);
// See if the current version is conflicting
if (ConflictPkg.CurrentVer() == Ver && List->IsNow(ConflictPkg))
{
- clog << OutputInDepth(Depth) << Pkg.FullName() << " conflicts with " << ConflictPkg.FullName() << endl;
+ if (Debug)
+ clog << OutputInDepth(Depth) << Pkg.FullName() << " conflicts with " << ConflictPkg.FullName() << 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) == false)
{
if (List->IsFlag(BrokenPkg,pkgOrderList::Loop) && PkgLoop)
{
- // This dependancy has already been dealt with by another SmartUnPack on Pkg
+ // This dependency has already been dealt with by another SmartUnPack on Pkg
break;
}
else
VerIterator V(Cache,*I);
PkgIterator P = V.ParentPkg();
// we are checking for installation as an easy 'protection' against or-groups and (unchosen) providers
- if (P->CurrentVer == 0 || P != Pkg || (P.CurrentVer() != V && Cache[P].InstallVer != V))
+ if (P != Pkg || (P.CurrentVer() != V && Cache[P].InstallVer != V))
continue;
circle = true;
break;
}
}
}
+ if (i++ > max_loops)
+ return _error->Error("Internal error: APT::pkgPackageManager::MaxLoopCount reached in SmartConfigure for %s, aborting", Pkg.FullName().c_str());
} while (Changed == true);
// Check for reverse conflicts.
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)
+ if (installed == true &&
+ (instVer != Pkg.CurrentVer() ||
+ ((Cache[Pkg].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)) &&
+ Install(Pkg,FileNames[Pkg->ID]) == false)
return false;
for (PkgIterator P = Pkg.Group().PackageList();
P.end() == false; P = Pkg.Group().NextPkg(P))
P.end() == false; P = Pkg.Group().NextPkg(P))
{
if (P->CurrentVer != 0 || P == Pkg || List->IsFlag(P,pkgOrderList::UnPacked) == true ||
+ List->IsFlag(P,pkgOrderList::Configured) == true ||
Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
(Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
continue;
}
}
// 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)
+ else if ((instVer != Pkg.CurrentVer() ||
+ ((Cache[Pkg].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)) &&
+ Install(Pkg,FileNames[Pkg->ID]) == false)
return false;
if (Immediate == true) {
for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I)
{
PkgIterator Pkg(Cache,*I);
-
+
if (List->IsNow(Pkg) == false)
{
- if (!List->IsFlag(Pkg,pkgOrderList::Configured) && !NoImmConfigure) {
- if (SmartConfigure(Pkg, 0) == false && Debug)
- _error->Warning("Internal Error, Could not configure %s",Pkg.FullName().c_str());
- // FIXME: The above warning message might need changing
- } else {
- if (Debug == true)
- clog << "Skipping already done " << Pkg.FullName() << endl;
- }
+ if (Debug == true)
+ clog << "Skipping already done " << Pkg.FullName() << endl;
continue;
-
}
-
+
if (List->IsMissing(Pkg) == true)
{
if (Debug == true)
DoneSomething = true;
if (ImmConfigureAll) {
- /* ConfigureAll here to pick up and packages left unconfigured becuase they were unpacked in the
+ /* ConfigureAll here to pick up and packages left unconfigured because they were unpacked in the
"PreUnpack Checks" section */
if (!ConfigureAll())
return Failed;
}
return Completed;
+}
+// PM::DoInstallPostFork - compat /*{{{*/
+// ---------------------------------------------------------------------
+ /*}}}*/
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+pkgPackageManager::OrderResult
+pkgPackageManager::DoInstallPostFork(int statusFd)
+{
+ APT::Progress::PackageManager *progress = new
+ APT::Progress::PackageManagerProgressFd(statusFd);
+ pkgPackageManager::OrderResult res = DoInstallPostFork(progress);
+ delete progress;
+ return res;
}
/*}}}*/
// PM::DoInstallPostFork - Does install part that happens after the fork /*{{{*/
// ---------------------------------------------------------------------
pkgPackageManager::OrderResult
-pkgPackageManager::DoInstallPostFork(int statusFd)
+pkgPackageManager::DoInstallPostFork(APT::Progress::PackageManager *progress)
{
- if(statusFd > 0)
- // FIXME: use SetCloseExec here once it taught about throwing
- // exceptions instead of doing _exit(100) on failure
- fcntl(statusFd,F_SETFD,FD_CLOEXEC);
- bool goResult = Go(statusFd);
- if(goResult == false)
- return Failed;
-
- return Res;
+ bool goResult = Go(progress);
+ if(goResult == false)
+ return Failed;
+
+ return Res;
};
+#else
+pkgPackageManager::OrderResult
+pkgPackageManager::DoInstallPostFork(int statusFd)
+{
+ bool goResult = Go(statusFd);
+ if(goResult == false)
+ return Failed;
+
+ return Res;
+}
+#endif
+ /*}}}*/
+// PM::DoInstall - Does the installation /*{{{*/
+// ---------------------------------------------------------------------
+/* compat */
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+pkgPackageManager::OrderResult
+pkgPackageManager::DoInstall(int statusFd)
+{
+ APT::Progress::PackageManager *progress = new
+ APT::Progress::PackageManagerProgressFd(statusFd);
+ OrderResult res = DoInstall(progress);
+ delete progress;
+ return res;
+ }
+#else
+pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd)
+{
+ if(DoInstallPreFork() == Failed)
+ return Failed;
+ return DoInstallPostFork(statusFd);
+}
+#endif
+ /*}}}*/
// PM::DoInstall - Does the installation /*{{{*/
// ---------------------------------------------------------------------
/* This uses the filenames in FileNames and the information in the
DepCache to perform the installation of packages.*/
-pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd)
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+pkgPackageManager::OrderResult
+pkgPackageManager::DoInstall(APT::Progress::PackageManager *progress)
{
if(DoInstallPreFork() == Failed)
return Failed;
- return DoInstallPostFork(statusFd);
+ return DoInstallPostFork(progress);
}
+#endif
/*}}}*/
projects / apt.git / blobdiff