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-rw-r--r--apt-pkg/algorithms.cc40
1 files changed, 29 insertions, 11 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 12c5b8710..5641869ab 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -187,7 +187,7 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
}
cout << endl;
- _error->Error("Conf Broken %s",Pkg.FullName(false));
+ _error->Error("Conf Broken %s",Pkg.FullName(false).c_str());
}
else
{
@@ -290,7 +290,7 @@ bool pkgApplyStatus(pkgDepCache &Cache)
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.FullName(true));
+ "but I can't find an archive for it."),I.FullName(true).c_str());
}
continue;
@@ -325,7 +325,7 @@ bool pkgApplyStatus(pkgDepCache &Cache)
default:
if (I->InstState != pkgCache::State::Ok)
return _error->Error("The package %s is not ok and I "
- "don't know how to fix it!",I.FullName(false));
+ "don't know how to fix it!",I.FullName(false).c_str());
}
}
return true;
@@ -847,6 +847,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
not be possible for a loop to form (that is a < b < c and fixing b by
changing a breaks c) */
bool Change = true;
+ bool const TryFixByInstall = _config->FindB("pkgProblemResolver::FixByInstall", true);
for (int Counter = 0; Counter != 10 && Change == true; Counter++)
{
Change = false;
@@ -863,7 +864,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
(Flags[I->ID] & ReInstateTried) == 0)
{
if (Debug == true)
- clog << " Try to Re-Instate " << I.FullName(false) << endl;
+ clog << " Try to Re-Instate (" << Counter << ") " << I.FullName(false) << endl;
unsigned long OldBreaks = Cache.BrokenCount();
pkgCache::Version *OldVer = Cache[I].InstallVer;
Flags[I->ID] &= ReInstateTried;
@@ -886,7 +887,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
continue;
if (Debug == true)
- clog << "Investigating " << I << endl;
+ clog << "Investigating (" << Counter << ") " << I << endl;
// Isolate the problem dependency
PackageKill KillList[100];
@@ -904,9 +905,9 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
if (Start == End)
{
// Decide what to do
- if (InOr == true)
+ if (InOr == true && OldEnd == LEnd)
{
- if (OldEnd == LEnd && OrOp == OrRemove)
+ if (OrOp == OrRemove)
{
if ((Flags[I->ID] & Protected) != Protected)
{
@@ -914,9 +915,9 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
clog << " Or group remove for " << I.FullName(false) << endl;
Cache.MarkDelete(I);
Change = true;
- }
- }
- if (OldEnd == LEnd && OrOp == OrKeep)
+ }
+ }
+ else if (OrOp == OrKeep)
{
if (Debug == true)
clog << " Or group keep for " << I.FullName(false) << endl;
@@ -1041,6 +1042,23 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
if (Counter > 1 && Scores[Pkg->ID] > Scores[I->ID])
Scores[I->ID] = Scores[Pkg->ID];
}
+ else if (TryFixByInstall == true &&
+ Start.TargetPkg()->CurrentVer == 0 &&
+ Cache[Start.TargetPkg()].Delete() == false &&
+ Cache.GetCandidateVer(Start.TargetPkg()).end() == false)
+ {
+ /* Before removing or keeping the package with the broken dependency
+ try instead to install the first not previously installed package
+ solving this dependency. This helps every time a previous solver
+ is removed by the resolver because of a conflict or alike but it is
+ dangerous as it could trigger new breaks/conflicts… */
+ std::cout << " Try Installing " << Start.TargetPkg() << " before changing " << I.FullName(false) << std::endl;
+ unsigned long const OldBroken = Cache.BrokenCount();
+ Cache.MarkInstall(Start.TargetPkg(), true, 1, false);
+ // FIXME: we should undo the complete MarkInstall process here
+ if (Cache[Start.TargetPkg()].InstBroken() == true || Cache.BrokenCount() > OldBroken)
+ Cache.MarkDelete(Start.TargetPkg(), false, 1, false);
+ }
}
}
@@ -1325,7 +1343,7 @@ bool pkgProblemResolver::ResolveByKeep()
// Restart again.
if (K == LastStop)
- return _error->Error("Internal Error, pkgProblemResolver::ResolveByKeep is looping on package %s.",I.FullName(false));
+ return _error->Error("Internal Error, pkgProblemResolver::ResolveByKeep is looping on package %s.",I.FullName(false).c_str());
LastStop = K;
K = PList - 1;
}