init

1 files changed, 35 insertions, 0 deletions

diff --git a/Library/Homebrew/cask/lib/hbc/source/tapped.rb b/Library/Homebrew/cask/lib/hbc/source/tapped.rb
new file mode 100644
index 000000000..da9366840
--- /dev/null
+++ b/Library/Homebrew/cask/lib/hbc/source/tapped.rb
@@ -0,0 +1,35 @@
+class Hbc::Source::Tapped
+  def self.me?(query)
+    path_for_query(query).exist?
+  end
+
+  def self.path_for_query(query)
+    # Repeating Hbc.all_tokens is very slow for operations such as
+    # brew cask list, but memoizing the value might cause breakage
+    # elsewhere, given that installation and tap status is permitted
+    # to change during the course of an invocation.
+    token_with_tap = Hbc.all_tokens.find { |t| t.split("/").last == query.sub(%r{\.rb$}i, "") }
+    if token_with_tap
+      user, repo, token = token_with_tap.split("/")
+      Tap.fetch(user, repo).cask_dir.join("#{token}.rb")
+    else
+      Hbc.default_tap.cask_dir.join(query.sub(%r{(\.rb)?$}i, ".rb"))
+    end
+  end
+
+  attr_reader :token
+
+  def initialize(token)
+    @token = token
+  end
+
+  def load
+    path = self.class.path_for_query(token)
+    Hbc::Source::PathSlashOptional.new(path).load
+  end
+
+  def to_s
+    # stringify to fully-resolved location
+    self.class.path_for_query(token).expand_path.to_s
+  end
+end