Merge pull request #2410 from reitermarkus/container-exectuable

Add `Container::Executable`.

1 files changed, 18 insertions, 0 deletions

diff --git a/Library/Homebrew/cask/lib/hbc/container/executable.rb b/Library/Homebrew/cask/lib/hbc/container/executable.rb
new file mode 100644
index 000000000..848f6d4be
--- /dev/null
+++ b/Library/Homebrew/cask/lib/hbc/container/executable.rb
@@ -0,0 +1,18 @@
+require "hbc/container/naked"
+require "vendor/macho/macho"
+
+module Hbc
+  class Container
+    class Executable < Naked
+      def self.me?(criteria)
+        return true if criteria.magic_number(/^#!\s*\S+/)
+
+        begin
+          MachO.open(criteria.path).header.executable?
+        rescue MachO::MagicError
+          false
+        end
+      end
+    end
+  end
+end