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-rw-r--r--apt-pkg/acquire-item.cc14
1 files changed, 13 insertions, 1 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 959627a01..8c45acddd 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -1196,9 +1196,18 @@ void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/
// at this point the real Items are loaded in the fetcher
ExpectedAdditionalItems = 0;
+ std::set<std::string> targetsSeen;
bool const metaBaseSupportsByHash = TransactionManager->MetaIndexParser->GetSupportsAcquireByHash();
- for (auto Target : TransactionManager->MetaIndexParser->GetIndexTargets())
+ for (auto &Target: TransactionManager->MetaIndexParser->GetIndexTargets())
{
+ // if we have seen a target which is created-by a target this one here is declared a
+ // fallback to, we skip acquiring the fallback (but we make sure we clean up)
+ if (targetsSeen.find(Target.Option(IndexTarget::FALLBACK_OF)) != targetsSeen.end())
+ {
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
+ new CleanupItem(Owner, TransactionManager, Target);
+ continue;
+ }
// all is an implementation detail. Users shouldn't use this as arch
// We need this support trickery here as e.g. Debian has binary-all files already,
// but arch:all packages are still in the arch:any files, so we would waste precious
@@ -1267,6 +1276,7 @@ void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/
else if (hashes.FileSize() == 0)
{
new CleanupItem(Owner, TransactionManager, Target);
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
continue;
}
}
@@ -1327,6 +1337,7 @@ void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/
std::string const idxfilename = GetFinalFileNameFromURI(GetDiffIndexURI(Target));
if (FileExists(idxfilename))
new NoActionItem(Owner, Target, idxfilename);
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
continue;
}
@@ -1348,6 +1359,7 @@ void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/
}
// Queue the Index file (Packages, Sources, Translation-$foo, …)
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
if (trypdiff)
new pkgAcqDiffIndex(Owner, TransactionManager, Target);
else