X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/9a4dfc82c563d6335bb37a928a8925efe329fd8d..a70c81475ae682d9b1f4d3ed76c1644f701bfca2:/apt-pkg/algorithms.cc
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index ac9d3be0b..bd33d5ef1 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -14,18 +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 <apt-pkg/acquire-item.h>
#include <apti18n.h>
#include <sys/types.h>
+#include <cstdlib>
+#include <algorithm>
#include <iostream>
/*}}}*/
using namespace std;
@@ -38,7 +37,8 @@ pkgProblemResolver *pkgProblemResolver::This = 0;
this is not necessary since the pkgCaches are fully shared now. */
pkgSimulate::pkgSimulate(pkgDepCache *Cache) : pkgPackageManager(Cache),
iPolicy(Cache),
- Sim(&Cache->GetCache(),&iPolicy)
+ Sim(&Cache->GetCache(),&iPolicy),
+ group(Sim)
{
Sim.Init(0);
Flags = new unsigned char[Cache->Head().PackageCount];
@@ -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();
}
@@ -255,6 +258,8 @@ 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, false, false);
@@ -492,7 +497,7 @@ void pkgProblemResolver::MakeScores()
signed short &Score = Scores[I->ID];
- /* This is arbitary, it should be high enough to elevate an
+ /* This is arbitrary, it should be high enough to elevate an
essantial package above most other packages but low enough
to allow an obsolete essential packages to be removed by
a conflicts on a powerfull normal package (ie libc6) */
@@ -506,8 +511,10 @@ 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;
}
@@ -651,6 +658,7 @@ 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;
@@ -800,7 +808,7 @@ 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];
@@ -855,7 +863,12 @@ 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)
@@ -873,6 +886,7 @@ 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 +917,7 @@ 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 +983,22 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
(Start->Type == pkgCache::Dep::Conflicts ||
Start->Type == pkgCache::Dep::Obsoletes))
continue;
-
+
+ if (Start->Type == pkgCache::Dep::DpkgBreaks)
+ {
+ // first, try upgradring the package, if that
+ // does not help, the breaks goes onto the
+ // kill list
+ // FIXME: use DoUpgrade(Pkg) instead?
+ 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;
+ }
+ }
+
// Skip adding to the kill list if it is protected
if ((Flags[Pkg->ID] & Protected) != 0)
continue;
@@ -989,6 +1019,7 @@ 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)
{
@@ -1036,6 +1067,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
if ((Cache[J->Dep] & pkgDepCache::DepGNow) == 0)
{
if (J->Dep->Type == pkgCache::Dep::Conflicts ||
+ J->Dep->Type == pkgCache::Dep::DpkgBreaks ||
J->Dep->Type == pkgCache::Dep::Obsoletes)
{
if (Debug == true)
@@ -1229,8 +1261,13 @@ void pkgProblemResolver::InstallProtect()
{
if ((Flags[I->ID] & ToRemove) == ToRemove)
Cache.MarkDelete(I);
- else
- Cache.MarkInstall(I, false, 0, 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);
+ }
}
}
}
@@ -1267,3 +1304,85 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List)
}
/*}}}*/
+// CacheFile::ListUpdate - update the cache files /*{{{*/
+// ---------------------------------------------------------------------
+/* This is a simple wrapper to update the cache. it will fetch stuff
+ * from the network (or any other sources defined in sources.list)
+ */
+bool ListUpdate(pkgAcquireStatus &Stat,
+ pkgSourceList &List,
+ int PulseInterval)
+{
+ pkgAcquire::RunResult res;
+ pkgAcquire Fetcher(&Stat);
+
+ // Populate it with the source selection
+ if (List.GetIndexes(&Fetcher) == false)
+ return false;
+
+ // Run scripts
+ RunScripts("APT::Update::Pre-Invoke");
+
+ // check arguments
+ if(PulseInterval>0)
+ res = Fetcher.Run(PulseInterval);
+ else
+ res = Fetcher.Run();
+
+ if (res == pkgAcquire::Failed)
+ return false;
+
+ bool Failed = false;
+ bool TransientNetworkFailure = false;
+ for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin();
+ I != Fetcher.ItemsEnd(); I++)
+ {
+ if ((*I)->Status == pkgAcquire::Item::StatDone)
+ continue;
+
+ (*I)->Finished();
+
+ ::URI uri((*I)->DescURI());
+ uri.User.clear();
+ uri.Password.clear();
+ string descUri = string(uri);
+ _error->Warning(_("Failed to fetch %s %s\n"), descUri.c_str(),
+ (*I)->ErrorText.c_str());
+
+ if ((*I)->Status == pkgAcquire::Item::StatTransientNetworkError)
+ {
+ TransientNetworkFailure = true;
+ continue;
+ }
+
+ Failed = true;
+ }
+
+ // Clean out any old list files
+ // Keep "APT::Get::List-Cleanup" name for compatibility, but
+ // this is really a global option for the APT library now
+ if (!TransientNetworkFailure && !Failed &&
+ (_config->FindB("APT::Get::List-Cleanup",true) == true &&
+ _config->FindB("APT::List-Cleanup",true) == true))
+ {
+ if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
+ Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
+ // something went wrong with the clean
+ return false;
+ }
+
+ if (TransientNetworkFailure == true)
+ _error->Warning(_("Some index files failed to download, they have been ignored, or old ones used instead."));
+ else if (Failed == true)
+ return _error->Error(_("Some index files failed to download, they have been ignored, or old ones used instead."));
+
+
+ // Run the success scripts if all was fine
+ if(!TransientNetworkFailure && !Failed)
+ RunScripts("APT::Update::Post-Invoke-Success");
+
+ // Run the other scripts
+ RunScripts("APT::Update::Post-Invoke");
+ return true;
+}
+ /*}}}*/