summaryrefslogtreecommitdiff
path: root/apt-pkg/acquire-item.cc
diff options
context:
space:
mode:
authorMichael Vogt <mvo@debian.org>2014-06-18 10:46:08 +0200
committerMichael Vogt <mvo@debian.org>2014-06-18 10:46:08 +0200
commitb6fea8bbe25e3c0312de72c99b0d49c699d02b7b (patch)
treee0f1b5f51e568be9370dece04ede0352ee37684a /apt-pkg/acquire-item.cc
parentda029b0aaebdc64a3a9f6b7012213539421c934b (diff)
parent59194959326dbf114a5c894e4279c04844b4a793 (diff)
Merge remote-tracking branch 'mvo/feature/update-by-hash' into debian/experimental
Diffstat (limited to 'apt-pkg/acquire-item.cc')
-rw-r--r--apt-pkg/acquire-item.cc34
1 files changed, 34 insertions, 0 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 70d03b845..e45308557 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -1018,6 +1018,8 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, string const &S
indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey);
if(Record)
FileSize = Record->Size;
+
+ InitByHashIfNeeded(MetaKey);
}
Desc.Description = URIDesc;
@@ -1027,6 +1029,38 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, string const &S
QueueURI(Desc);
}
/*}}}*/
+// AcqIndex::AdjustForByHash - modify URI for by-hash support /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqIndex::InitByHashIfNeeded(const std::string MetaKey)
+{
+ // TODO:
+ // - (maybe?) add support for by-hash into the sources.list as flag
+ // - make apt-ftparchive generate the hashes (and expire?)
+ std::string HostKnob = "APT::Acquire::" + ::URI(Desc.URI).Host + "::By-Hash";
+ if(_config->FindB("APT::Acquire::By-Hash", false) == true ||
+ _config->FindB(HostKnob, false) == true ||
+ MetaIndexParser->GetSupportsAcquireByHash())
+ {
+ indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey);
+ if(Record)
+ {
+ // FIXME: should we really use the best hash here? or a fixed one?
+ const HashString *TargetHash = Record->Hashes.find("");
+ std::string ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue();
+ size_t 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",
+ MetaKey.c_str());
+ }
+ }
+}
+ /*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */