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-rw-r--r--apt-pkg/orderlist.cc98
1 files changed, 68 insertions, 30 deletions
diff --git a/apt-pkg/orderlist.cc b/apt-pkg/orderlist.cc
index 1e412ead5..0ac9a83e3 100644
--- a/apt-pkg/orderlist.cc
+++ b/apt-pkg/orderlist.cc
@@ -63,6 +63,8 @@
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include<config.h>
+
#include <apt-pkg/orderlist.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/error.h>
@@ -145,14 +147,14 @@ bool pkgOrderList::DoRun()
Depth = 0;
WipeFlags(Added | AddPending | Loop | InList);
- for (iterator I = List; I != End; I++)
+ for (iterator I = List; I != End; ++I)
Flag(*I,InList);
// Rebuild the main list into the temp list.
iterator OldEnd = End;
End = NList;
- for (iterator I = List; I != OldEnd; I++)
- if (VisitNode(PkgIterator(Cache,*I)) == false)
+ for (iterator I = List; I != OldEnd; ++I)
+ if (VisitNode(PkgIterator(Cache,*I), "DoRun") == false)
{
End = OldEnd;
return false;
@@ -197,7 +199,7 @@ bool pkgOrderList::OrderCritical()
{
clog << "** Critical Unpack ordering done" << endl;
- for (iterator I = List; I != End; I++)
+ for (iterator I = List; I != End; ++I)
{
PkgIterator P(Cache,*I);
if (IsNow(P) == true)
@@ -222,7 +224,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
WipeFlags(After);
// Set the inlist flag
- for (iterator I = List; I != End; I++)
+ for (iterator I = List; I != End; ++I)
{
PkgIterator P(Cache,*I);
if (IsMissing(P) == true && IsNow(P) == true)
@@ -270,7 +272,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
{
clog << "** Unpack ordering done" << endl;
- for (iterator I = List; I != End; I++)
+ for (iterator I = List; I != End; ++I)
{
PkgIterator P(Cache,*I);
if (IsNow(P) == true)
@@ -323,7 +325,7 @@ int pkgOrderList::Score(PkgIterator Pkg)
Score += ScoreImmediate;
for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList();
- D.end() == false; D++)
+ D.end() == false; ++D)
if (D->Type == pkgCache::Dep::PreDepends)
{
Score += ScorePreDepends;
@@ -488,40 +490,76 @@ bool pkgOrderList::VisitRProvides(DepFunc F,VerIterator Ver)
return true;
bool Res = true;
- for (PrvIterator P = Ver.ProvidesList(); P.end() == false; P++)
+ for (PrvIterator P = Ver.ProvidesList(); P.end() == false; ++P)
Res &= (this->*F)(P.ParentPkg().RevDependsList());
return Res;
}
/*}}}*/
// OrderList::VisitProvides - Visit all of the providing packages /*{{{*/
// ---------------------------------------------------------------------
-/* This routine calls visit on all providing packages. */
+/* This routine calls visit on all providing packages.
+
+ If the dependency is negative it first visits packages which are
+ intended to be removed and after that all other packages.
+ It does so to avoid situations in which this package is used to
+ satisfy a (or-group/provides) dependency of another package which
+ could have been satisfied also by upgrading another package -
+ otherwise we have more broken packages dpkg needs to auto-
+ deconfigure and in very complicated situations it even decides
+ against it! */
bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)
-{
+{
SPtrArray<Version *> List = D.AllTargets();
- for (Version **I = List; *I != 0; I++)
+ for (Version **I = List; *I != 0; ++I)
{
VerIterator Ver(Cache,*I);
PkgIterator Pkg = Ver.ParentPkg();
+ if (D.IsNegative() == true && Cache[Pkg].Delete() == false)
+ continue;
+
if (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing)
continue;
-
+
if (D.IsNegative() == false &&
Cache[Pkg].InstallVer != *I)
continue;
-
+
if (D.IsNegative() == true &&
(Version *)Pkg.CurrentVer() != *I)
continue;
-
+
// Skip over missing files
if (Critical == false && IsMissing(D.ParentPkg()) == true)
continue;
- if (VisitNode(Pkg) == false)
+ if (VisitNode(Pkg, "Provides-1") == false)
return false;
}
+ if (D.IsNegative() == false)
+ return true;
+ for (Version **I = List; *I != 0; ++I)
+ {
+ VerIterator Ver(Cache,*I);
+ PkgIterator Pkg = Ver.ParentPkg();
+
+ if (Cache[Pkg].Delete() == true)
+ continue;
+
+ if (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing)
+ continue;
+
+ if ((Version *)Pkg.CurrentVer() != *I)
+ continue;
+
+ // Skip over missing files
+ if (Critical == false && IsMissing(D.ParentPkg()) == true)
+ continue;
+
+ if (VisitNode(Pkg, "Provides-2") == false)
+ return false;
+ }
+
return true;
}
/*}}}*/
@@ -530,7 +568,7 @@ bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)
/* This is the core ordering routine. It calls the set dependency
consideration functions which then potentialy call this again. Finite
depth is achived through the colouring mechinism. */
-bool pkgOrderList::VisitNode(PkgIterator Pkg)
+bool pkgOrderList::VisitNode(PkgIterator Pkg, char const* from)
{
// Looping or irrelevent.
// This should probably trancend not installed packages
@@ -541,7 +579,7 @@ bool pkgOrderList::VisitNode(PkgIterator Pkg)
if (Debug == true)
{
for (int j = 0; j != Depth; j++) clog << ' ';
- clog << "Visit " << Pkg.FullName() << endl;
+ clog << "Visit " << Pkg.FullName() << " from " << from << endl;
}
Depth++;
@@ -615,7 +653,7 @@ bool pkgOrderList::VisitNode(PkgIterator Pkg)
Loops are preprocessed and logged. */
bool pkgOrderList::DepUnPackCrit(DepIterator D)
{
- for (; D.end() == false; D++)
+ for (; D.end() == false; ++D)
{
if (D.Reverse() == true)
{
@@ -636,7 +674,7 @@ bool pkgOrderList::DepUnPackCrit(DepIterator D)
if (CheckDep(D) == true)
continue;
- if (VisitNode(D.ParentPkg()) == false)
+ if (VisitNode(D.ParentPkg(), "UnPackCrit") == false)
return false;
}
else
@@ -693,7 +731,7 @@ bool pkgOrderList::DepUnPackPreD(DepIterator D)
if (D.Reverse() == true)
return DepUnPackCrit(D);
- for (; D.end() == false; D++)
+ for (; D.end() == false; ++D)
{
if (D.IsCritical() == false)
continue;
@@ -736,7 +774,7 @@ bool pkgOrderList::DepUnPackPre(DepIterator D)
if (D.Reverse() == true)
return true;
- for (; D.end() == false; D++)
+ for (; D.end() == false; ++D)
{
/* Only consider the PreDepends or Depends. Depends are only
considered at the lowest depth or in the case of immediate
@@ -791,7 +829,7 @@ bool pkgOrderList::DepUnPackPre(DepIterator D)
bool pkgOrderList::DepUnPackDep(DepIterator D)
{
- for (; D.end() == false; D++)
+ for (; D.end() == false; ++D)
if (D.IsCritical() == true)
{
if (D.Reverse() == true)
@@ -811,7 +849,7 @@ bool pkgOrderList::DepUnPackDep(DepIterator D)
if (IsMissing(D.ParentPkg()) == true)
continue;
- if (VisitNode(D.ParentPkg()) == false)
+ if (VisitNode(D.ParentPkg(), "UnPackDep-Parent") == false)
return false;
}
else
@@ -825,7 +863,7 @@ bool pkgOrderList::DepUnPackDep(DepIterator D)
if (CheckDep(D) == true)
continue;
- if (VisitNode(D.TargetPkg()) == false)
+ if (VisitNode(D.TargetPkg(), "UnPackDep-Target") == false)
return false;
}
}
@@ -846,7 +884,7 @@ bool pkgOrderList::DepConfigure(DepIterator D)
if (D.Reverse() == true)
return true;
- for (; D.end() == false; D++)
+ for (; D.end() == false; ++D)
if (D->Type == pkgCache::Dep::Depends)
if (VisitProvides(D,false) == false)
return false;
@@ -868,7 +906,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
{
if (D.Reverse() == false)
return true;
- for (; D.end() == false; D++)
+ for (; D.end() == false; ++D)
if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
{
// Duplication elimination, consider the current version only
@@ -924,7 +962,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
if (IsFlag(P, InList) == true &&
IsFlag(P, AddPending) == false &&
Cache[P].InstallVer != 0 &&
- VisitNode(P) == true)
+ VisitNode(P, "Remove-P") == true)
{
Flag(P, Immediate);
tryFixDeps = false;
@@ -960,7 +998,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
if (IsFlag(F.TargetPkg(), InList) == true &&
IsFlag(F.TargetPkg(), AddPending) == false &&
Cache[F.TargetPkg()].InstallVer != 0 &&
- VisitNode(F.TargetPkg()) == true)
+ VisitNode(F.TargetPkg(), "Remove-Target") == true)
{
Flag(F.TargetPkg(), Immediate);
tryFixDeps = false;
@@ -974,7 +1012,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
if (IsFlag(Prv.OwnerPkg(), InList) == true &&
IsFlag(Prv.OwnerPkg(), AddPending) == false &&
Cache[Prv.OwnerPkg()].InstallVer != 0 &&
- VisitNode(Prv.OwnerPkg()) == true)
+ VisitNode(Prv.OwnerPkg(), "Remove-Owner") == true)
{
Flag(Prv.OwnerPkg(), Immediate);
tryFixDeps = false;
@@ -994,7 +1032,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
if (IsMissing(D.ParentPkg()) == true)
continue;
- if (VisitNode(D.ParentPkg()) == false)
+ if (VisitNode(D.ParentPkg(), "Remove-Parent") == false)
return false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 15:14:50 +0000