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-rw-r--r--apt-pkg/algorithms.cc23
-rw-r--r--apt-pkg/deb/deblistparser.cc3
-rw-r--r--apt-pkg/depcache.cc40
-rw-r--r--apt-pkg/orderlist.cc17
-rw-r--r--apt-pkg/pkgcache.cc9
-rw-r--r--apt-pkg/pkgcache.h6
-rw-r--r--apt-pkg/tagfile.cc1
7 files changed, 81 insertions, 18 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index ac9d3be0b..f50c52a32 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;
@@ -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 +974,21 @@ 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;
+ continue;
+ }
+
// Skip adding to the kill list if it is protected
if ((Flags[Pkg->ID] & Protected) != 0)
continue;
@@ -989,6 +1009,7 @@ 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)
{
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index c2b26b5eb..074abea6d 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -105,6 +105,8 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
return false;
if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false)
return false;
+ if (ParseDepends(Ver,"Breaks",pkgCache::Dep::DpkgBreaks) == false)
+ return false;
if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false)
return false;
@@ -193,6 +195,7 @@ unsigned short debListParser::VersionHash()
// "Suggests",
// "Recommends",
"Conflicts",
+ "Breaks",
"Replaces",0};
unsigned long Result = INIT_FCS;
char S[1024];
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 78c929d62..4d193dc2e 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -273,7 +273,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
we allow it anyhow because dpkg does. Technically it is a packaging
bug. Conflicts may never self match */
if (Dep.TargetPkg() != Dep.ParentPkg() ||
- (Dep->Type != Dep::Conflicts && Dep->Type != Dep::Obsoletes))
+ (Dep->Type != Dep::Conflicts && Dep->Type != Dep::DpkgBreaks && Dep->Type != Dep::Obsoletes))
{
PkgIterator Pkg = Dep.TargetPkg();
// Check the base package
@@ -303,7 +303,8 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
{
/* Provides may never be applied against the same package if it is
a conflicts. See the comment above. */
- if (P.OwnerPkg() == Pkg && Dep->Type == Dep::Conflicts)
+ if (P.OwnerPkg() == Pkg &&
+ (Dep->Type == Dep::Conflicts || Dep->Type == Dep::DpkgBreaks))
continue;
// Check if the provides is a hit
@@ -457,7 +458,9 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V)
/* Invert for Conflicts. We have to do this twice to get the
right sense for a conflicts group */
- if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+ if (D->Type == Dep::Conflicts ||
+ D->Type == Dep::DpkgBreaks ||
+ D->Type == Dep::Obsoletes)
State = ~State;
// Add to the group if we are within an or..
@@ -468,7 +471,9 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V)
Group = 0;
// Invert for Conflicts
- if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+ if (D->Type == Dep::Conflicts ||
+ D->Type == Dep::DpkgBreaks ||
+ D->Type == Dep::Obsoletes)
State = ~State;
}
}
@@ -601,7 +606,9 @@ void pkgDepCache::Update(OpProgress *Prog)
Group = 0;
// Invert for Conflicts
- if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+ if (D->Type == Dep::Conflicts ||
+ D->Type == Dep::DpkgBreaks ||
+ D->Type == Dep::Obsoletes)
State = ~State;
}
}
@@ -631,7 +638,9 @@ void pkgDepCache::Update(DepIterator D)
State = DependencyState(D);
// Invert for Conflicts
- if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+ if (D->Type == Dep::Conflicts ||
+ D->Type == Dep::DpkgBreaks ||
+ D->Type == Dep::Obsoletes)
State = ~State;
RemoveStates(D.ParentPkg());
@@ -894,7 +903,8 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
/* This bit is for processing the possibilty of an install/upgrade
fixing the problem */
SPtrArray<Version *> List = Start.AllTargets();
- if ((DepState[Start->ID] & DepCVer) == DepCVer)
+ if (Start->Type != Dep::DpkgBreaks &&
+ (DepState[Start->ID] & DepCVer) == DepCVer)
{
// Right, find the best version to install..
Version **Cur = List;
@@ -939,17 +949,23 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
}
continue;
}
-
+
/* For conflicts we just de-install the package and mark as auto,
- Conflicts may not have or groups */
- if (Start->Type == Dep::Conflicts || Start->Type == Dep::Obsoletes)
+ Conflicts may not have or groups. For dpkg's Breaks we try to
+ upgrade the package. */
+ if (Start->Type == Dep::Conflicts || Start->Type == Dep::Obsoletes ||
+ Start->Type == Dep::DpkgBreaks)
{
for (Version **I = List; *I != 0; I++)
{
VerIterator Ver(*this,*I);
PkgIterator Pkg = Ver.ParentPkg();
-
- MarkDelete(Pkg);
+
+ if (Start->Type != Dep::DpkgBreaks)
+ MarkDelete(Pkg);
+ else
+ if (PkgState[Pkg->ID].CandidateVer != *I)
+ MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps);
}
continue;
}
diff --git a/apt-pkg/orderlist.cc b/apt-pkg/orderlist.cc
index 8d3a97983..61d8d914e 100644
--- a/apt-pkg/orderlist.cc
+++ b/apt-pkg/orderlist.cc
@@ -491,11 +491,13 @@ bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)
continue;
if (D->Type != pkgCache::Dep::Conflicts &&
+ D->Type != pkgCache::Dep::DpkgBreaks &&
D->Type != pkgCache::Dep::Obsoletes &&
Cache[Pkg].InstallVer != *I)
continue;
if ((D->Type == pkgCache::Dep::Conflicts ||
+ D->Type == pkgCache::Dep::DpkgBreaks ||
D->Type == pkgCache::Dep::Obsoletes) &&
(Version *)Pkg.CurrentVer() != *I)
continue;
@@ -630,6 +632,7 @@ bool pkgOrderList::DepUnPackCrit(DepIterator D)
/* Forward critical dependencies MUST be correct before the
package can be unpacked. */
if (D->Type != pkgCache::Dep::Conflicts &&
+ D->Type != pkgCache::Dep::DpkgBreaks &&
D->Type != pkgCache::Dep::Obsoletes &&
D->Type != pkgCache::Dep::PreDepends)
continue;
@@ -668,7 +671,7 @@ bool pkgOrderList::DepUnPackCrit(DepIterator D)
}
return true;
}
- /*}}}*/
+
// OrderList::DepUnPackPreD - Critical UnPacking ordering with depends /*{{{*/
// ---------------------------------------------------------------------
/* Critical PreDepends (also configure immediate and essential) strives to
@@ -803,9 +806,20 @@ bool pkgOrderList::DepUnPackDep(DepIterator D)
return false;
}
else
+ {
if (D->Type == pkgCache::Dep::Depends)
if (VisitProvides(D,false) == false)
return false;
+
+ if (D->Type == pkgCache::Dep::DpkgBreaks)
+ {
+ if (CheckDep(D) == true)
+ continue;
+
+ if (VisitNode(D.TargetPkg()) == false)
+ return false;
+ }
+ }
}
return true;
}
@@ -953,6 +967,7 @@ bool pkgOrderList::CheckDep(DepIterator D)
/* Conflicts requires that all versions are not present, depends
just needs one */
if (D->Type != pkgCache::Dep::Conflicts &&
+ D->Type != pkgCache::Dep::DpkgBreaks &&
D->Type != pkgCache::Dep::Obsoletes)
{
/* Try to find something that does not have the after flag set
diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 162ab4f27..35eb23dfa 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -228,8 +228,8 @@ const char *pkgCache::DepType(unsigned char Type)
{
const char *Types[] = {"",_("Depends"),_("PreDepends"),_("Suggests"),
_("Recommends"),_("Conflicts"),_("Replaces"),
- _("Obsoletes")};
- if (Type < 8)
+ _("Obsoletes"),_("Breaks")};
+ if (Type < sizeof(Types)/sizeof(*Types))
return Types[Type];
return "";
}
@@ -292,10 +292,11 @@ pkgCache::PkgIterator::OkState pkgCache::PkgIterator::State() const
// DepIterator::IsCritical - Returns true if the dep is important /*{{{*/
// ---------------------------------------------------------------------
/* Currently critical deps are defined as depends, predepends and
- conflicts. */
+ conflicts (including dpkg's Breaks fields). */
bool pkgCache::DepIterator::IsCritical()
{
if (Dep->Type == pkgCache::Dep::Conflicts ||
+ Dep->Type == pkgCache::Dep::DpkgBreaks ||
Dep->Type == pkgCache::Dep::Obsoletes ||
Dep->Type == pkgCache::Dep::Depends ||
Dep->Type == pkgCache::Dep::PreDepends)
@@ -381,6 +382,7 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets()
continue;
if ((Dep->Type == pkgCache::Dep::Conflicts ||
+ Dep->Type == pkgCache::Dep::DpkgBreaks ||
Dep->Type == pkgCache::Dep::Obsoletes) &&
ParentPkg() == I.ParentPkg())
continue;
@@ -397,6 +399,7 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets()
continue;
if ((Dep->Type == pkgCache::Dep::Conflicts ||
+ Dep->Type == pkgCache::Dep::DpkgBreaks ||
Dep->Type == pkgCache::Dep::Obsoletes) &&
ParentPkg() == I.OwnerPkg())
continue;
diff --git a/apt-pkg/pkgcache.h b/apt-pkg/pkgcache.h
index c7a3172cc..970759492 100644
--- a/apt-pkg/pkgcache.h
+++ b/apt-pkg/pkgcache.h
@@ -66,10 +66,14 @@ class pkgCache
class Namespace;
// These are all the constants used in the cache structures
+
+ // WARNING - if you change these lists you must also edit
+ // the stringification in pkgcache.cc and also consider whether
+ // the cache file will become incompatible.
struct Dep
{
enum DepType {Depends=1,PreDepends=2,Suggests=3,Recommends=4,
- Conflicts=5,Replaces=6,Obsoletes=7};
+ Conflicts=5,Replaces=6,Obsoletes=7,DpkgBreaks=8};
enum DepCompareOp {Or=0x10,NoOp=0,LessEq=0x1,GreaterEq=0x2,Less=0x3,
Greater=0x4,Equals=0x5,NotEquals=0x6};
};
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 8fcbeb23b..146829566 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -422,6 +422,7 @@ static const char *iTFRewritePackageOrder[] = {
"Recommends",
"Suggests",
"Conflicts",
+ "Breaks",
"Conffiles",
"Filename",
"Size",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 11:15:03 +0000