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-rw-r--r--apt-pkg/algorithms.cc91
-rw-r--r--debian/changelog4
-rw-r--r--doc/apt.conf.5.xml11
-rw-r--r--doc/examples/configure-index1
-rw-r--r--po/apt-all.pot8
5 files changed, 84 insertions, 31 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index bd33d5ef1..4b1bb4430 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -489,6 +489,34 @@ void pkgProblemResolver::MakeScores()
unsigned long Size = Cache.Head().PackageCount;
memset(Scores,0,sizeof(*Scores)*Size);
+ // Important Required Standard Optional Extra
+ signed short PrioMap[] = {
+ 0,
+ _config->FindI("pkgProblemResolver::Scores::Important",3),
+ _config->FindI("pkgProblemResolver::Scores::Required",2),
+ _config->FindI("pkgProblemResolver::Scores::Standard",1),
+ _config->FindI("pkgProblemResolver::Scores::Optional",-1),
+ _config->FindI("pkgProblemResolver::Scores::Extra",-2)
+ };
+ signed short PrioEssentials = _config->FindI("pkgProblemResolver::Scores::Essentials",100);
+ signed short PrioInstalledAndNotObsolete = _config->FindI("pkgProblemResolver::Scores::NotObsolete",1);
+ signed short PrioDepends = _config->FindI("pkgProblemResolver::Scores::Depends",1);
+ signed short AddProtected = _config->FindI("pkgProblemResolver::Scores::AddProtected",10000);
+ signed short AddEssential = _config->FindI("pkgProblemResolver::Scores::AddEssential",5000);
+
+ if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
+ clog << "Settings used to calculate pkgProblemResolver::Scores::" << endl
+ << " Important => " << PrioMap[1] << endl
+ << " Required => " << PrioMap[2] << endl
+ << " Standard => " << PrioMap[3] << endl
+ << " Optional => " << PrioMap[4] << endl
+ << " Extra => " << PrioMap[5] << endl
+ << " Essentials => " << PrioEssentials << endl
+ << " InstalledAndNotObsolete => " << PrioInstalledAndNotObsolete << endl
+ << " Depends => " << PrioDepends << endl
+ << " AddProtected => " << AddProtected << endl
+ << " AddEssential => " << AddEssential << endl;
+
// Generate the base scores for a package based on its properties
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
@@ -502,11 +530,9 @@ void pkgProblemResolver::MakeScores()
to allow an obsolete essential packages to be removed by
a conflicts on a powerfull normal package (ie libc6) */
if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
- Score += 100;
+ Score += PrioEssentials;
// We transform the priority
- // Important Required Standard Optional Extra
- signed short PrioMap[] = {0,3,2,1,-1,-2};
if (Cache[I].InstVerIter(Cache)->Priority <= 5)
Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority];
@@ -515,7 +541,7 @@ void pkgProblemResolver::MakeScores()
if those are not obsolete
*/
if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable())
- Score += 1;
+ Score += PrioInstalledAndNotObsolete;
}
// Now that we have the base scores we go and propogate dependencies
@@ -527,7 +553,7 @@ void pkgProblemResolver::MakeScores()
for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; D++)
{
if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
- Scores[D.TargetPkg()->ID]++;
+ Scores[D.TargetPkg()->ID]+= PrioDepends;
}
}
@@ -572,10 +598,10 @@ void pkgProblemResolver::MakeScores()
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
if ((Flags[I->ID] & Protected) != 0)
- Scores[I->ID] += 10000;
+ Scores[I->ID] += AddProtected;
if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
- Scores[I->ID] += 5000;
- }
+ Scores[I->ID] += AddEssential;
+ }
}
/*}}}*/
// ProblemResolver::DoUpgrade - Attempt to upgrade this package /*{{{*/
@@ -751,19 +777,21 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
*PEnd++ = I;
This = this;
qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort);
-
-/* for (pkgCache::Package **K = PList; K != PEnd; K++)
- if (Scores[(*K)->ID] != 0)
- {
- pkgCache::PkgIterator Pkg(Cache,*K);
- clog << Scores[(*K)->ID] << ' ' << Pkg.Name() <<
- ' ' << (pkgCache::Version *)Pkg.CurrentVer() << ' ' <<
- Cache[Pkg].InstallVer << ' ' << Cache[Pkg].CandidateVer << endl;
- } */
+
+ if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
+ {
+ clog << "Show Scores" << endl;
+ for (pkgCache::Package **K = PList; K != PEnd; K++)
+ if (Scores[(*K)->ID] != 0)
+ {
+ pkgCache::PkgIterator Pkg(Cache,*K);
+ clog << Scores[(*K)->ID] << ' ' << Pkg << std::endl;
+ }
+ }
if (Debug == true)
clog << "Starting 2" << endl;
-
+
/* Now consider all broken packages. For each broken package we either
remove the package or fix it's problem. We do this once, it should
not be possible for a loop to form (that is a < b < c and fixing b by
@@ -878,7 +906,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
}
if (Debug == true)
- clog << "Package " << I.Name() << " has broken dep on " << Start.TargetPkg().Name() << endl;
+ clog << "Package " << I.Name() << " has broken " << Start.DepType() << " on " << Start.TargetPkg().Name() << endl;
/* Look across the version list. If there are no possible
targets then we keep the package and bail. This is necessary
@@ -1137,9 +1165,6 @@ bool pkgProblemResolver::ResolveByKeep()
unsigned long Size = Cache.Head().PackageCount;
- if (Debug == true)
- clog << "Entering ResolveByKeep" << endl;
-
MakeScores();
/* We have to order the packages so that the broken fixing pass
@@ -1152,7 +1177,21 @@ bool pkgProblemResolver::ResolveByKeep()
*PEnd++ = I;
This = this;
qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort);
-
+
+ if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
+ {
+ clog << "Show Scores" << endl;
+ for (pkgCache::Package **K = PList; K != PEnd; K++)
+ if (Scores[(*K)->ID] != 0)
+ {
+ pkgCache::PkgIterator Pkg(Cache,*K);
+ clog << Scores[(*K)->ID] << ' ' << Pkg << std::endl;
+ }
+ }
+
+ if (Debug == true)
+ clog << "Entering ResolveByKeep" << endl;
+
// Consider each broken package
pkgCache::Package **LastStop = 0;
for (pkgCache::Package **K = PList; K != PEnd; K++)
@@ -1198,8 +1237,8 @@ bool pkgProblemResolver::ResolveByKeep()
while (true)
{
if (Debug == true)
- clog << "Package " << I.Name() << " has broken dep on " << Start.TargetPkg().Name() << endl;
-
+ clog << "Package " << I.Name() << " has broken " << Start.DepType() << " on " << Start.TargetPkg().Name() << endl;
+
// Look at all the possible provides on this package
SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
for (pkgCache::Version **V = VList; *V != 0; V++)
@@ -1215,7 +1254,7 @@ bool pkgProblemResolver::ResolveByKeep()
if ((Flags[I->ID] & Protected) == 0)
{
if (Debug == true)
- clog << " Keeping Package " << Pkg.Name() << " due to dep" << endl;
+ clog << " Keeping Package " << Pkg.Name() << " due to " << Start.DepType() << endl;
Cache.MarkKeep(Pkg, false, false);
}
diff --git a/debian/changelog b/debian/changelog
index bb75ad8af..d1959c074 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -24,8 +24,10 @@ apt (0.7.22) UNRELEASED; urgency=low
* support running "--simulate" as user
* add depth information to the debug output and show what depends
type triggers a autoinst (closes: #458389)
- * add debug::pkgDepCache::Marker with more detailed debug output
+ * add Debug::pkgDepCache::Marker with more detailed debug output
(closes: #87520)
+ * add Debug::pkgProblemResolver::ShowScores and make the scores
+ adjustable
[ Julian Andres Klode ]
* apt-pkg/contrib/configuration.cc: Fix a small memory leak in
diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml
index 841bb8f66..eece75d28 100644
--- a/doc/apt.conf.5.xml
+++ b/doc/apt.conf.5.xml
@@ -778,6 +778,17 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
</varlistentry>
<varlistentry>
+ <term><literal>Debug::pkgProblemResolver::ShowScores</literal></term>
+ <listitem>
+ <para>
+ Display a list of all installed packages with their calculated score
+ used by the pkgProblemResolver. The description of the package
+ is the same as described in <literal>Debug::pkgDepCache::Marker</literal>
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><literal>Debug::sourceList</literal></term>
<listitem>
diff --git a/doc/examples/configure-index b/doc/examples/configure-index
index dd8d667db..cea0dcc09 100644
--- a/doc/examples/configure-index
+++ b/doc/examples/configure-index
@@ -288,6 +288,7 @@ DPkg
Debug
{
pkgProblemResolver "false";
+ pkgProblemResolver::ShowScores "false";
pkgDepCache::AutoInstall "false"; // what packages apt install to satify dependencies
pkgDepCache::Marker "false";
pkgAcquire "false";
diff --git a/po/apt-all.pot b/po/apt-all.pot
index 2aa99cfa2..a1d7cb99d 100644
--- a/po/apt-all.pot
+++ b/po/apt-all.pot
@@ -780,7 +780,7 @@ msgstr ""
msgid "Do you want to continue [Y/n]? "
msgstr ""
-#: cmdline/apt-get.cc:984 cmdline/apt-get.cc:2223 apt-pkg/algorithms.cc:1349
+#: cmdline/apt-get.cc:984 cmdline/apt-get.cc:2223 apt-pkg/algorithms.cc:1388
#, c-format
msgid "Failed to fetch %s %s\n"
msgstr ""
@@ -2302,17 +2302,17 @@ msgid ""
"The package %s needs to be reinstalled, but I can't find an archive for it."
msgstr ""
-#: apt-pkg/algorithms.cc:1107
+#: apt-pkg/algorithms.cc:1135
msgid ""
"Error, pkgProblemResolver::Resolve generated breaks, this may be caused by "
"held packages."
msgstr ""
-#: apt-pkg/algorithms.cc:1109
+#: apt-pkg/algorithms.cc:1137
msgid "Unable to correct problems, you have held broken packages."
msgstr ""
-#: apt-pkg/algorithms.cc:1375 apt-pkg/algorithms.cc:1377
+#: apt-pkg/algorithms.cc:1414 apt-pkg/algorithms.cc:1416
msgid ""
"Some index files failed to download, they have been ignored, or old ones "
"used instead."