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authorMichael Vogt <michael.vogt@ubuntu.com>2010-05-04 10:06:57 +0200
committerMichael Vogt <michael.vogt@ubuntu.com>2010-05-04 10:06:57 +0200
commitaf8a8da9c1aa6506d230a0df8abc670661176ba3 (patch)
tree343935c56f2294c835082233398fdef5d5d5e2eb /apt-pkg/depcache.cc
parent549edd163e34a50091623b47881f2eefbdc53aca (diff)
parentedde664d0cc5fe46f572696c605832700c553b9e (diff)
merged from davids branch
Diffstat (limited to 'apt-pkg/depcache.cc')
-rw-r--r--apt-pkg/depcache.cc117
1 files changed, 82 insertions, 35 deletions
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 2c7cdd5c2..423161b13 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -841,42 +841,15 @@ void pkgDepCache::Update(OpProgress *Prog)
if (installed == false)
recheck.insert(G.Index());
}
- std::vector<std::string> Archs = APT::Configuration::getArchitectures();
- bool checkChanged = false;
- do {
- for(std::set<unsigned long>::const_iterator g = recheck.begin();
- g != recheck.end(); ++g) {
- GrpIterator G = GrpIterator(*Cache, Cache->GrpP + *g);
- VerIterator allV = G.FindPkg("all").CurrentVer();
- for (std::vector<std::string>::const_iterator a = Archs.begin();
- a != Archs.end(); ++a)
- {
- PkgIterator P = G.FindPkg(*a);
- if (P.end() == true) continue;
- for (VerIterator V = P.VersionList(); V.end() != true; ++V)
- {
- // FIXME: String comparison isn't a save indicator!
- if (strcmp(allV.VerStr(),V.VerStr()) != 0)
- continue;
- unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
- if ((CurDepState & DepInstMin) != DepInstMin)
- break; // we found the correct version, but it is broken. Better try another arch or later again
- P->CurrentVer = V.Index();
- AddStates(P);
- Update(P);
- AddSizes(P);
- checkChanged = true;
- break;
- }
- }
- recheck.erase(g);
- }
- } while (checkChanged == true && recheck.empty() == false);
- if (_config->FindB("Debug::MultiArchKiller", false) == true)
- for(std::set<unsigned long>::const_iterator g = recheck.begin();
- g != recheck.end(); ++g)
- std::cout << "No pseudo package for »" << GrpIterator(*Cache, Cache->GrpP + *g).Name() << "« installed" << std::endl;
+ while (recheck.empty() != true)
+ {
+ std::set<unsigned long>::const_iterator g = recheck.begin();
+ unsigned long const G = *g;
+ recheck.erase(g);
+ if (unlikely(ReInstallPseudoForGroup(G, recheck) == false))
+ _error->Warning(_("Internal error, group »%s« has no installable pseudo package"), GrpIterator(*Cache, Cache->GrpP + *g).Name());
+ }
}
if (Prog != 0)
@@ -885,6 +858,80 @@ void pkgDepCache::Update(OpProgress *Prog)
readStateFile(Prog);
}
/*}}}*/
+// DepCache::ReInstallPseudoForGroup - MultiArch helper for Update() /*{{{*/
+// ---------------------------------------------------------------------
+/* RemovePseudoInstalledPkg() is very successful. It even kills packages
+ to an amount that no pseudo package is left, but we need a pseudo package
+ for upgrading senarios so we need to reinstall one pseudopackage which
+ doesn't break everything. Thankfully we can't have architecture depending
+ negative dependencies so this problem is already eliminated */
+bool pkgDepCache::ReInstallPseudoForGroup(pkgCache::PkgIterator const &P, std::set<unsigned long> &recheck)
+{
+ if (P->CurrentVer != 0)
+ return true;
+ // recursive call for packages which provide this package
+ for (pkgCache::PrvIterator Prv = P.ProvidesList(); Prv.end() != true; ++Prv)
+ ReInstallPseudoForGroup(Prv.OwnerPkg(), recheck);
+ // check if we actually need to look at this group
+ unsigned long const G = P->Group;
+ std::set<unsigned long>::const_iterator Pi = recheck.find(G);
+ if (Pi == recheck.end())
+ return true;
+ recheck.erase(Pi); // remove here, so we can't fall into an endless loop
+ if (unlikely(ReInstallPseudoForGroup(G, recheck) == false))
+ {
+ recheck.insert(G);
+ return false;
+ }
+ return true;
+}
+bool pkgDepCache::ReInstallPseudoForGroup(unsigned long const &G, std::set<unsigned long> &recheck)
+{
+ std::vector<std::string> static const Archs = APT::Configuration::getArchitectures();
+ pkgCache::GrpIterator Grp(*Cache, Cache->GrpP + G);
+ if (unlikely(Grp.end() == true))
+ return false;
+ for (std::vector<std::string>::const_iterator a = Archs.begin();
+ a != Archs.end(); ++a)
+ {
+ pkgCache::PkgIterator P = Grp.FindPkg(*a);
+ if (P.end() == true)
+ continue;
+ pkgCache::VerIterator allV = Grp.FindPkg("all").CurrentVer();
+ for (VerIterator V = P.VersionList(); V.end() != true; ++V)
+ {
+ // search for the same version as the all package
+ if (allV->Hash != V->Hash || strcmp(allV.VerStr(),V.VerStr()) != 0)
+ continue;
+ unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+ // If it is broken, try to install dependencies first before retry
+ if ((CurDepState & DepInstMin) != DepInstMin)
+ {
+ for (pkgCache::DepIterator D = V.DependsList(); D.end() != true; ++D)
+ {
+ if (D->Type != pkgCache::Dep::PreDepends && D->Type != pkgCache::Dep::Depends)
+ continue;
+ ReInstallPseudoForGroup(D.TargetPkg(), recheck);
+ }
+ unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+ // if package ist still broken… try another arch
+ if ((CurDepState & DepInstMin) != DepInstMin)
+ break;
+ }
+ // dependencies satisfied: reinstall the package
+ RemoveSizes(P);
+ RemoveStates(P);
+ P->CurrentVer = V.Index();
+ PkgState[P->ID].InstallVer = V;
+ AddStates(P);
+ Update(P);
+ AddSizes(P);
+ return true;
+ }
+ }
+ return false;
+}
+ /*}}}*/
// DepCache::Update - Update the deps list of a package /*{{{*/
// ---------------------------------------------------------------------
/* This is a helper for update that only does the dep portion of the scan.