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-rw-r--r--apt-pkg/algorithms.cc26
1 files changed, 24 insertions, 2 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 55f44fbd5..58498aa19 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -102,6 +102,7 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
DepIterator End;
D.GlobOr(Start,End);
if (Start->Type == pkgCache::Dep::Conflicts ||
+ Start->Type == pkgCache::Dep::DpkgBreaks ||
Start->Type == pkgCache::Dep::Obsoletes ||
End->Type == pkgCache::Dep::PreDepends)
{
@@ -151,6 +152,8 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
cout << " Obsoletes:" << D.TargetPkg().Name();
else if (D->Type == pkgCache::Dep::Conflicts)
cout << " Conflicts:" << D.TargetPkg().Name();
+ else if (D->Type == pkgCache::Dep::DpkgBreaks)
+ cout << " Breaks:" << D.TargetPkg().Name();
else
cout << " Depends:" << D.TargetPkg().Name();
}
@@ -651,6 +654,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
/* We let the algorithm deal with conflicts on its next iteration,
it is much smarter than us */
if (Start->Type == pkgCache::Dep::Conflicts ||
+ Start->Type == pkgCache::Dep::DpkgBreaks ||
Start->Type == pkgCache::Dep::Obsoletes)
break;
@@ -800,7 +804,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
continue;
if (Debug == true)
- cout << "Investigating " << I.Name() << endl;
+ clog << "Investigating " << I.Name() << endl;
// Isolate the problem dependency
PackageKill KillList[100];
@@ -873,6 +877,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
if (*VList == 0 && (Flags[I->ID] & Protected) != Protected &&
Start->Type != pkgCache::Dep::Conflicts &&
+ Start->Type != pkgCache::Dep::DpkgBreaks &&
Start->Type != pkgCache::Dep::Obsoletes &&
Cache[I].NowBroken() == false)
{
@@ -903,6 +908,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
if (Scores[I->ID] <= Scores[Pkg->ID] ||
((Cache[Start] & pkgDepCache::DepNow) == 0 &&
End->Type != pkgCache::Dep::Conflicts &&
+ End->Type != pkgCache::Dep::DpkgBreaks &&
End->Type != pkgCache::Dep::Obsoletes))
{
// Try a little harder to fix protected packages..
@@ -968,7 +974,22 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
(Start->Type == pkgCache::Dep::Conflicts ||
Start->Type == pkgCache::Dep::Obsoletes))
continue;
-
+
+ if (Start->Type == pkgCache::Dep::DpkgBreaks)
+ {
+ /* Would it help if we upgraded? */
+ if (Cache[End] & pkgDepCache::DepGCVer) {
+ if (Debug)
+ clog << " Upgrading " << Pkg.Name() << " due to Breaks field in " << I.Name() << endl;
+ Cache.MarkInstall(Pkg, false, 0, false);
+ continue;
+ }
+ if (Debug)
+ clog << " Will not break " << Pkg.Name() << " as stated in Breaks field in " << I.Name() <<endl;
+ Cache.MarkKeep(I, false, false);
+ continue;
+ }
+
// Skip adding to the kill list if it is protected
if ((Flags[Pkg->ID] & Protected) != 0)
continue;
@@ -989,6 +1010,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
// Hm, nothing can possibly satisify this dep. Nuke it.
if (VList[0] == 0 &&
Start->Type != pkgCache::Dep::Conflicts &&
+ Start->Type != pkgCache::Dep::DpkgBreaks &&
Start->Type != pkgCache::Dep::Obsoletes &&
(Flags[I->ID] & Protected) != Protected)
{