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-rw-r--r--apt-pkg/algorithms.cc142
1 files changed, 106 insertions, 36 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 479927d65..158f9c258 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -14,16 +14,17 @@
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/algorithms.h"
-#endif
#include <apt-pkg/algorithms.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/version.h>
#include <apt-pkg/sptr.h>
+
#include <apti18n.h>
-
+#include <sys/types.h>
+#include <cstdlib>
+#include <algorithm>
#include <iostream>
/*}}}*/
using namespace std;
@@ -100,6 +101,7 @@ 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)
{
@@ -149,6 +151,8 @@ 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();
}
@@ -220,6 +224,8 @@ void pkgSimulate::ShortBreaks()
the necessary calculations to deal with the problems. */
bool pkgApplyStatus(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
if (I->VersionList == 0)
@@ -230,13 +236,13 @@ bool pkgApplyStatus(pkgDepCache &Cache)
I->InstState == pkgCache::State::HoldReInstReq)
{
if (I->CurrentVer != 0 && I.CurrentVer().Downloadable() == true)
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
else
{
// Is this right? Will dpkg choke on an upgrade?
if (Cache[I].CandidateVer != 0 &&
Cache[I].CandidateVerIter(Cache).Downloadable() == true)
- Cache.MarkInstall(I);
+ 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.Name());
@@ -251,14 +257,16 @@ bool pkgApplyStatus(pkgDepCache &Cache)
re-unpacked (probably) */
case pkgCache::State::UnPacked:
case pkgCache::State::HalfConfigured:
+ case pkgCache::State::TriggersAwaited:
+ case pkgCache::State::TriggersPending:
if ((I->CurrentVer != 0 && I.CurrentVer().Downloadable() == true) ||
I.State() != pkgCache::PkgIterator::NeedsUnpack)
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
else
{
if (Cache[I].CandidateVer != 0 &&
Cache[I].CandidateVerIter(Cache).Downloadable() == true)
- Cache.MarkInstall(I);
+ Cache.MarkInstall(I, true, 0, false);
else
Cache.MarkDelete(I);
}
@@ -284,10 +292,12 @@ bool pkgApplyStatus(pkgDepCache &Cache)
on the result. */
bool pkgFixBroken(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
// Auto upgrade all broken packages
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if (Cache[I].NowBroken() == true)
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
/* Fix packages that are in a NeedArchive state but don't have a
downloadable install version */
@@ -300,7 +310,7 @@ bool pkgFixBroken(pkgDepCache &Cache)
if (Cache[I].InstVerIter(Cache).Downloadable() == false)
continue;
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
}
pkgProblemResolver Fix(&Cache);
@@ -317,23 +327,25 @@ bool pkgFixBroken(pkgDepCache &Cache)
*/
bool pkgDistUpgrade(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
/* Auto upgrade all installed packages, this provides the basis
for the installation */
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if (I->CurrentVer != 0)
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
/* Now, auto upgrade all essential packages - this ensures that
the essential packages are present and working */
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
- Cache.MarkInstall(I,true);
+ Cache.MarkInstall(I, true, 0, false);
/* We do it again over all previously installed packages to force
conflict resolution on them all. */
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
if (I->CurrentVer != 0)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
pkgProblemResolver Fix(&Cache);
@@ -345,7 +357,7 @@ bool pkgDistUpgrade(pkgDepCache &Cache)
if (I->SelectedState == pkgCache::State::Hold)
{
Fix.Protect(I);
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
}
}
}
@@ -360,6 +372,8 @@ bool pkgDistUpgrade(pkgDepCache &Cache)
to install packages not marked for install */
bool pkgAllUpgrade(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
pkgProblemResolver Fix(&Cache);
if (Cache.BrokenCount() != 0)
@@ -376,7 +390,7 @@ bool pkgAllUpgrade(pkgDepCache &Cache)
continue;
if (I->CurrentVer != 0 && Cache[I].InstallVer != 0)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
}
return Fix.ResolveByKeep();
@@ -389,6 +403,8 @@ bool pkgAllUpgrade(pkgDepCache &Cache)
the package is restored. */
bool pkgMinimizeUpgrade(pkgDepCache &Cache)
{
+ pkgDepCache::ActionGroup group(Cache);
+
if (Cache.BrokenCount() != 0)
return false;
@@ -405,9 +421,9 @@ bool pkgMinimizeUpgrade(pkgDepCache &Cache)
continue;
// Keep it and see if that is OK
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
if (Cache.BrokenCount() != 0)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
else
{
// If keep didnt actually do anything then there was no change..
@@ -494,8 +510,10 @@ void pkgProblemResolver::MakeScores()
Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority];
/* This helps to fix oddball problems with conflicting packages
- on the same level. We enhance the score of installed packages */
- if (I->CurrentVer != 0)
+ on the same level. We enhance the score of installed packages
+ if those are not obsolete
+ */
+ if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable())
Score += 1;
}
@@ -565,6 +583,8 @@ void pkgProblemResolver::MakeScores()
installable */
bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
{
+ pkgDepCache::ActionGroup group(Cache);
+
if ((Flags[Pkg->ID] & Upgradable) == 0 || Cache[Pkg].Upgradable() == false)
return false;
if ((Flags[Pkg->ID] & Protected) == Protected)
@@ -573,7 +593,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
Flags[Pkg->ID] &= ~Upgradable;
bool WasKept = Cache[Pkg].Keep();
- Cache.MarkInstall(Pkg,false);
+ Cache.MarkInstall(Pkg, false, 0, false);
// This must be a virtual package or something like that.
if (Cache[Pkg].InstVerIter(Cache).end() == true)
@@ -637,6 +657,7 @@ 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;
@@ -658,7 +679,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
if (Fail == true)
{
if (WasKept == true)
- Cache.MarkKeep(Pkg);
+ Cache.MarkKeep(Pkg, false, false);
else
Cache.MarkDelete(Pkg);
return false;
@@ -685,6 +706,8 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
upgrade packages to advoid problems. */
bool pkgProblemResolver::Resolve(bool BrokenFix)
{
+ pkgDepCache::ActionGroup group(Cache);
+
unsigned long Size = Cache.Head().PackageCount;
// Record which packages are marked for install
@@ -700,7 +723,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
{
if (Cache[I].InstBroken() == true && BrokenFix == true)
{
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Cache[I].Install() == true)
Again = true;
}
@@ -766,14 +789,14 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
pkgCache::Version *OldVer = Cache[I].InstallVer;
Flags[I->ID] &= ReInstateTried;
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Cache[I].InstBroken() == true ||
OldBreaks < Cache.BrokenCount())
{
if (OldVer == 0)
Cache.MarkDelete(I);
else
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
}
else
if (Debug == true)
@@ -784,7 +807,7 @@ 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];
@@ -818,7 +841,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
{
if (Debug == true)
clog << " Or group keep for " << I.Name() << endl;
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
Change = true;
}
}
@@ -839,7 +862,12 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
OldEnd = LEnd;
}
else
+ {
Start++;
+ // We only worry about critical deps.
+ if (Start.IsCritical() != true)
+ continue;
+ }
// Dep is ok
if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall)
@@ -857,6 +885,7 @@ 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)
{
@@ -868,7 +897,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
}
Change = true;
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
break;
}
@@ -887,6 +916,7 @@ 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..
@@ -905,7 +935,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
/* See if a keep will do, unless the package is protected,
then installing it will be necessary */
bool Installed = Cache[I].Install();
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
if (Cache[I].InstBroken() == false)
{
// Unwind operation will be keep now
@@ -914,7 +944,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
// Restore
if (InOr == true && Installed == true)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Debug == true)
clog << " Holding Back " << I.Name() << " rather than change " << Start.TargetPkg().Name() << endl;
@@ -952,7 +982,22 @@ 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;
@@ -973,6 +1018,7 @@ 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)
{
@@ -986,7 +1032,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
// Restore
if (InOr == true && Installed == true)
- Cache.MarkInstall(I,false);
+ Cache.MarkInstall(I, false, 0, false);
if (Debug == true)
clog << " Holding Back " << I.Name() << " because I can't find " << Start.TargetPkg().Name() << endl;
@@ -1031,7 +1077,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
{
if (Debug == true)
clog << " Fixing " << I.Name() << " via keep of " << J->Pkg.Name() << endl;
- Cache.MarkKeep(J->Pkg);
+ Cache.MarkKeep(J->Pkg, false, false);
}
if (Counter > 1)
@@ -1061,6 +1107,20 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
return _error->Error(_("Unable to correct problems, you have held broken packages."));
}
+ // set the auto-flags (mvo: I'm not sure if we _really_ need this, but
+ // I didn't managed
+ pkgCache::PkgIterator I = Cache.PkgBegin();
+ for (;I.end() != true; I++) {
+ if (Cache[I].NewInstall() && !(Flags[I->ID] & PreInstalled)) {
+ if(_config->FindI("Debug::pkgAutoRemove",false)) {
+ std::clog << "Resolve installed new pkg: " << I.Name()
+ << " (now marking it as auto)" << std::endl;
+ }
+ Cache[I].Flags |= pkgCache::Flag::Auto;
+ }
+ }
+
+
return true;
}
/*}}}*/
@@ -1071,6 +1131,8 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
system was non-broken previously. */
bool pkgProblemResolver::ResolveByKeep()
{
+ pkgDepCache::ActionGroup group(Cache);
+
unsigned long Size = Cache.Head().PackageCount;
if (Debug == true)
@@ -1104,7 +1166,7 @@ bool pkgProblemResolver::ResolveByKeep()
{
if (Debug == true)
clog << "Keeping package " << I.Name() << endl;
- Cache.MarkKeep(I);
+ Cache.MarkKeep(I, false, false);
if (Cache[I].InstBroken() == false)
{
K = PList - 1;
@@ -1152,7 +1214,7 @@ bool pkgProblemResolver::ResolveByKeep()
{
if (Debug == true)
clog << " Keeping Package " << Pkg.Name() << " due to dep" << endl;
- Cache.MarkKeep(Pkg);
+ Cache.MarkKeep(Pkg, false, false);
}
if (Cache[I].InstBroken() == false)
@@ -1189,14 +1251,21 @@ bool pkgProblemResolver::ResolveByKeep()
/* This is used to make sure protected packages are installed */
void pkgProblemResolver::InstallProtect()
{
+ pkgDepCache::ActionGroup group(Cache);
+
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
if ((Flags[I->ID] & Protected) == Protected)
{
if ((Flags[I->ID] & ToRemove) == ToRemove)
Cache.MarkDelete(I);
- else
- Cache.MarkInstall(I,false);
+ else
+ {
+ // preserve the information whether the package was auto
+ // or manually installed
+ bool autoInst = (Cache[I].Flags & pkgCache::Flag::Auto);
+ Cache.MarkInstall(I, false, 0, !autoInst);
+ }
}
}
}
@@ -1232,3 +1301,4 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List)
qsort(List,Count,sizeof(*List),PrioComp);
}
/*}}}*/
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 20:45:47 +0000