diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/acquire-item.cc | 86 |
1 files changed, 50 insertions, 36 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index 1b76f1b7a..53f7f3295 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -999,6 +999,10 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/ // at this point the real Items are loaded in the fetcher ExpectedAdditionalItems = 0; + bool metaBaseSupportsByHash = false; + if (TransactionManager != NULL && TransactionManager->MetaIndexParser != NULL) + metaBaseSupportsByHash = TransactionManager->MetaIndexParser->GetSupportsAcquireByHash(); + for (std::vector <IndexTarget>::iterator Target = IndexTargets.begin(); Target != IndexTargets.end(); ++Target) @@ -1028,6 +1032,15 @@ void pkgAcqMetaBase::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(); @@ -2437,29 +2450,58 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner, } /*}}}*/ // AcqIndex::Init - defered Constructor /*{{{*/ -void pkgAcqIndex::Init(string const &URI, string const &URIDesc, - string const &ShortDesc) +static void NextCompressionExtension(std::string &CurrentCompressionExtension, std::string &CompressionExtensions, bool const preview) { - Stage = STAGE_DOWNLOAD; - - DestFile = GetPartialFileNameFromURI(URI); - size_t const nextExt = CompressionExtensions.find(' '); if (nextExt == std::string::npos) { CurrentCompressionExtension = CompressionExtensions; - CompressionExtensions.clear(); + if (preview == false) + CompressionExtensions.clear(); } else { CurrentCompressionExtension = CompressionExtensions.substr(0, nextExt); - CompressionExtensions = CompressionExtensions.substr(nextExt+1); + if (preview == false) + 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(TransactionManager->MetaIndexParser == NULL || CurrentCompressionExtension.empty())) + return; + if (CurrentCompressionExtension != "uncompressed") + { + Desc.URI = URI + '.' + CurrentCompressionExtension; + DestFile = DestFile + '.' + CurrentCompressionExtension; + } + + 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 @@ -2468,8 +2510,6 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, DestFile = DestFile + '.' + CurrentCompressionExtension; } - if(TransactionManager->MetaIndexParser != NULL) - InitByHashIfNeeded(); Desc.Description = URIDesc; Desc.Owner = this; @@ -2478,32 +2518,6 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, QueueURI(Desc); } /*}}}*/ -// AcqIndex::AdjustForByHash - modify URI for by-hash support /*{{{*/ -void pkgAcqIndex::InitByHashIfNeeded() -{ - std::string const useByHash = Target.Option(IndexTarget::BY_HASH); - if(useByHash == "force" || (StringToBool(useByHash) == true && - TransactionManager->MetaIndexParser->GetSupportsAcquireByHash())) - { - HashStringList const Hashes = GetExpectedHashes(); - if(Hashes.usable()) - { - // FIXME: should we really use the best hash here? or a fixed one? - HashString const * const TargetHash = Hashes.find(""); - std::string const ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue(); - size_t const trailing_slash = Desc.URI.find_last_of("/"); - Desc.URI = Desc.URI.replace( - trailing_slash, - Desc.URI.substr(trailing_slash+1).size()+1, - ByHash); - } else { - _error->Warning( - "Fetching ByHash requested but can not find record for %s", - GetMetaKey().c_str()); - } - } -} - /*}}}*/ // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ |