diff options
Diffstat (limited to 'apt-pkg/acquire-item.cc')
| -rw-r--r-- | apt-pkg/acquire-item.cc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index 91d7a3eae..0e1614330 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -46,6 +46,7 @@ #include <ctime> #include <sstream> #include <numeric> +#include <random> #include <apti18n.h> /*}}}*/ @@ -1340,6 +1341,23 @@ void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/ if (hasReleaseFile && verify == false) hasHashes = std::any_of(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &Target) { return TransactionManager->MetaIndexParser->Exists(Target.MetaKey); }); + if (_config->FindB("Acquire::IndexTargets::Randomized", true) && likely(IndexTargets.empty() == false)) + { + /* For fallback handling and to have some reasonable progress information + we can't randomize everything, but at least the order in the same type + can be as we shouldn't be telling the mirrors (and everyone else watching) + which is native/foreign arch, specific order of preference of translations, … */ + auto range_start = IndexTargets.begin(); + std::random_device rd; + std::default_random_engine g(rd()); + do { + auto const type = range_start->Option(IndexTarget::CREATED_BY); + auto const range_end = std::find_if_not(range_start, IndexTargets.end(), + [&type](IndexTarget const &T) { return type == T.Option(IndexTarget::CREATED_BY); }); + std::shuffle(range_start, range_end, g); + range_start = range_end; + } while (range_start != IndexTargets.end()); + } for (auto&& Target: IndexTargets) { // if we have seen a target which is created-by a target this one here is declared a |