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-rw-r--r--apt-pkg/acquire-item.cc164
1 files changed, 69 insertions, 95 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index d0b92ec66..f52cd5b6c 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -398,26 +398,45 @@ bool pkgAcqTransactionItem::QueueURI(pkgAcquire::ItemDesc &Item)
Status = StatDone;
return false;
}
+ // this ensures we rewrite only once and only the first step
+ auto const OldBaseURI = Target.Option(IndexTarget::BASE_URI);
+ if (OldBaseURI.empty() || APT::String::Startswith(Item.URI, OldBaseURI) == false)
+ return pkgAcquire::Item::QueueURI(Item);
+
+ std::vector<std::string> urls = {Item.URI};
// If we got the InRelease file via a mirror, pick all indexes directly from this mirror, too
if (TransactionManager->BaseURI.empty() == false && TransactionManager->UsedMirror.empty() == false &&
URI::SiteOnly(Item.URI) != URI::SiteOnly(TransactionManager->BaseURI))
{
- // this ensures we rewrite only once and only the first step
- auto const OldBaseURI = Target.Option(IndexTarget::BASE_URI);
- if (OldBaseURI.empty() == false && APT::String::Startswith(Item.URI, OldBaseURI))
+ auto ExtraPath = Item.URI.substr(OldBaseURI.length());
+ auto newURI = flCombine(TransactionManager->BaseURI, std::move(ExtraPath));
+ if (IsGoodAlternativeURI(newURI))
{
- auto const ExtraPath = Item.URI.substr(OldBaseURI.length());
- auto newURI = flCombine(TransactionManager->BaseURI, ExtraPath);
- if (IsGoodAlternativeURI(newURI))
- {
- PushAlternativeURI(std::string(Item.URI), {}, false);
- Item.URI = std::move(newURI);
- UsedMirror = TransactionManager->UsedMirror;
- if (Item.Description.find(" ") != string::npos)
- Item.Description.replace(0, Item.Description.find(" "), UsedMirror);
- }
+ urls.push_back(std::move(newURI));
+ UsedMirror = TransactionManager->UsedMirror;
+ if (Item.Description.find(" ") != string::npos)
+ Item.Description.replace(0, Item.Description.find(" "), UsedMirror);
}
}
+ // add URI and by-hash based on it
+ auto const Expected = GetExpectedHashes();
+ auto const TargetHash = Expected.find(nullptr);
+ auto const useByHash = AcquireByHash();
+ for (auto &&U : urls)
+ {
+ PushAlternativeURI(std::string(U), {}, false);
+ if (useByHash == false || unlikely(TargetHash == nullptr))
+ continue;
+ auto const trailing_slash = U.find_last_of("/");
+ if (unlikely(trailing_slash == std::string::npos))
+ continue;
+ auto byhashSuffix = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue();
+ U.replace(trailing_slash, U.length() - trailing_slash, std::move(byhashSuffix));
+ PushAlternativeURI(std::move(U), {}, false);
+ }
+ // the last URI added is the first one tried
+ if (unlikely(PopAlternativeURI(Item.URI) == false))
+ return false;
return pkgAcquire::Item::QueueURI(Item);
}
/* The transition manager InRelease itself (or its older sisters-in-law
@@ -624,6 +643,26 @@ bool pkgAcqDiffIndex::TransactionState(TransactionStates const state)
return true;
}
/*}}}*/
+// pkgAcqTransactionItem::AcquireByHash and specialisations for child classes /*{{{*/
+bool pkgAcqTransactionItem::AcquireByHash() const
+{
+ if (TransactionManager->MetaIndexParser == nullptr)
+ return false;
+ auto const useByHashConf = Target.Option(IndexTarget::BY_HASH);
+ if (useByHashConf == "force")
+ return true;
+ return StringToBool(useByHashConf) == true && TransactionManager->MetaIndexParser->GetSupportsAcquireByHash();
+}
+// pdiff patches have a unique name already, no need for by-hash
+bool pkgAcqIndexMergeDiffs::AcquireByHash() const
+{
+ return false;
+}
+bool pkgAcqIndexDiffs::AcquireByHash() const
+{
+ return false;
+}
+ /*}}}*/
class APT_HIDDEN NoActionItem : public pkgAcquire::Item /*{{{*/
/* The sole purpose of this class is having an item which does nothing to
@@ -1453,7 +1492,6 @@ void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/
std::set<std::string> targetsSeen;
bool const hasReleaseFile = TransactionManager->MetaIndexParser != NULL;
- bool const metaBaseSupportsByHash = hasReleaseFile && TransactionManager->MetaIndexParser->GetSupportsAcquireByHash();
bool hasHashes = true;
auto IndexTargets = TransactionManager->MetaIndexParser->GetIndexTargets();
if (hasReleaseFile && verify == false)
@@ -1589,15 +1627,6 @@ void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/
if (types.empty() == false)
{
std::ostringstream os;
- // add the special compressiontype byhash first if supported
- std::string const useByHashConf = Target.Option(IndexTarget::BY_HASH);
- bool useByHash = false;
- if(useByHashConf == "force")
- useByHash = true;
- else
- useByHash = StringToBool(useByHashConf) == true && metaBaseSupportsByHash;
- if (useByHash == true)
- os << "by-hash ";
std::copy(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "));
os << *types.rbegin();
Target.Options["COMPRESSIONTYPES"] = os.str();
@@ -2243,8 +2272,6 @@ pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner,
CompressionExtensions = os.str();
}
}
- if (Target.Option(IndexTarget::COMPRESSIONTYPES).find("by-hash") != std::string::npos)
- CompressionExtensions = "by-hash " + CompressionExtensions;
Init(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Target.ShortDesc);
if(Debug)
@@ -2255,7 +2282,7 @@ void pkgAcqDiffIndex::QueueOnIMSHit() const /*{{{*/
{
// list cleanup needs to know that this file as well as the already
// present index is ours, so we create an empty diff to save it for us
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, Target.URI);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target);
}
/*}}}*/
static bool RemoveFileForBootstrapLinking(std::string &ErrorText, std::string const &For, std::string const &Boot)/*{{{*/
@@ -2655,31 +2682,14 @@ void pkgAcqDiffIndex::Done(string const &Message,HashStringList const &Hashes, /
}
else
{
- // we have something, queue the diffs
- string::size_type const last_space = Description.rfind(" ");
- if(last_space != string::npos)
- Description.erase(last_space, Description.size()-last_space);
-
- std::string indexURI = Desc.URI;
- auto const byhashidx = indexURI.find("/by-hash/");
- if (byhashidx != std::string::npos)
- indexURI = indexURI.substr(0, byhashidx - strlen(".diff"));
- else
- {
- auto end = indexURI.length() - strlen(".diff/Index");
- if (CurrentCompressionExtension != "uncompressed")
- end -= (1 + CurrentCompressionExtension.length());
- indexURI = indexURI.substr(0, end);
- }
-
if (pdiff_merge == false)
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, indexURI, available_patches);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
else
{
diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size());
for(size_t i = 0; i < available_patches.size(); ++i)
(*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, TransactionManager,
- Target, indexURI,
+ Target,
available_patches[i],
diffs);
}
@@ -2708,9 +2718,8 @@ pkgAcqDiffIndex::~pkgAcqDiffIndex()
pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *const Owner,
pkgAcqMetaClearSig *const TransactionManager,
IndexTarget const &Target,
- std::string const &indexURI,
vector<DiffInfo> const &diffs)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target),
available_patches(diffs)
{
DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
@@ -2718,7 +2727,6 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *const Owner,
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
Desc.Owner = this;
- Description = Target.Description;
Desc.ShortDesc = Target.ShortDesc;
if(available_patches.empty() == true)
@@ -2835,8 +2843,8 @@ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/
}
// queue the right diff
- Desc.URI = indexURI + ".diff/" + available_patches[0].file + ".gz";
- Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
+ Desc.URI = Target.URI + ".diff/" + available_patches[0].file + ".gz";
+ Desc.Description = Target.Description + " " + available_patches[0].file + string(".pdiff");
DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file), Target);
if(Debug)
@@ -2888,7 +2896,7 @@ void pkgAcqIndexDiffs::Done(string const &Message, HashStringList const &Hashes,
// see if there is more to download
if(available_patches.empty() == false)
{
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, indexURI, available_patches);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
Finish();
} else {
DestFile = PatchedFile;
@@ -2917,19 +2925,17 @@ pkgAcqIndexDiffs::~pkgAcqIndexDiffs() {}
pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *const Owner,
pkgAcqMetaClearSig *const TransactionManager,
IndexTarget const &Target,
- std::string const &indexURI,
DiffInfo const &patch,
std::vector<pkgAcqIndexMergeDiffs *> const *const allPatches)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target),
patch(patch), allPatches(allPatches), State(StateFetchDiff)
{
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
- Description = Target.Description;
Desc.Owner = this;
Desc.ShortDesc = Target.ShortDesc;
- Desc.URI = indexURI + ".diff/" + patch.file + ".gz";
- Desc.Description = Description + " " + patch.file + ".pdiff";
+ Desc.URI = Target.URI + ".diff/" + patch.file + ".gz";
+ Desc.Description = Target.Description + " " + patch.file + ".pdiff";
DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file + ".gz");
if(Debug)
@@ -3085,60 +3091,28 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
}
/*}}}*/
// AcqIndex::Init - deferred Constructor /*{{{*/
-static void NextCompressionExtension(std::string &CurrentCompressionExtension, std::string &CompressionExtensions, bool const preview)
+void pkgAcqIndex::Init(string const &URI, string const &URIDesc,
+ string const &ShortDesc)
{
+ Stage = STAGE_DOWNLOAD;
+
+ DestFile = GetPartialFileNameFromURI(URI);
size_t const nextExt = CompressionExtensions.find(' ');
if (nextExt == std::string::npos)
{
CurrentCompressionExtension = CompressionExtensions;
- if (preview == false)
- CompressionExtensions.clear();
+ CompressionExtensions.clear();
}
else
{
CurrentCompressionExtension = CompressionExtensions.substr(0, nextExt);
- if (preview == false)
- CompressionExtensions = CompressionExtensions.substr(nextExt+1);
+ CompressionExtensions = CompressionExtensions.substr(nextExt+1);
}
-}
-void pkgAcqIndex::Init(string const &URI, string const &URIDesc,
- string const &ShortDesc)
-{
- Stage = STAGE_DOWNLOAD;
-
- DestFile = GetPartialFileNameFromURI(URI);
- NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, false);
if (CurrentCompressionExtension == "uncompressed")
{
Desc.URI = URI;
}
- else if (CurrentCompressionExtension == "by-hash")
- {
- NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, true);
- if(unlikely(CurrentCompressionExtension.empty()))
- return;
- if (CurrentCompressionExtension != "uncompressed")
- {
- Desc.URI = URI + '.' + CurrentCompressionExtension;
- DestFile = DestFile + '.' + CurrentCompressionExtension;
- }
- else
- Desc.URI = URI;
-
- HashStringList const Hashes = GetExpectedHashes();
- HashString const * const TargetHash = Hashes.find(NULL);
- if (unlikely(TargetHash == nullptr))
- return;
- std::string const ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue();
- size_t const trailing_slash = Desc.URI.find_last_of("/");
- if (unlikely(trailing_slash == std::string::npos))
- return;
- Desc.URI = Desc.URI.replace(
- trailing_slash,
- Desc.URI.substr(trailing_slash+1).size()+1,
- ByHash);
- }
else if (unlikely(CurrentCompressionExtension.empty()))
return;
else