diff options
| -rw-r--r-- | Library/Homebrew/dependency_collector.rb | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Library/Homebrew/dependency_collector.rb b/Library/Homebrew/dependency_collector.rb index 0e3feac8e..2b5cfc704 100644 --- a/Library/Homebrew/dependency_collector.rb +++ b/Library/Homebrew/dependency_collector.rb @@ -21,6 +21,8 @@ class DependencyCollector :chicken, :jruby, :lua, :node, :ocaml, :perl, :python, :rbx, :ruby ].freeze + CACHE = {} + attr_reader :deps, :requirements def initialize @@ -29,7 +31,7 @@ class DependencyCollector end def add(spec) - case dep = build(spec) + case dep = fetch(spec) when Dependency @deps << dep when Requirement @@ -38,6 +40,18 @@ class DependencyCollector dep end + def fetch(spec) + CACHE.fetch(cache_key(spec)) { |key| CACHE[key] = build(spec) } + end + + def cache_key(spec) + if Resource === spec && spec.download_strategy == CurlDownloadStrategy + File.extname(spec.url) + else + spec + end + end + def build(spec) spec, tags = case spec when Hash then destructure_spec_hash(spec) |