Add bin and edit workflow

bin/gems/ffi-1.17.4-x86_64-linux-gnu/ffi.gemspec

@@ -0,0 +1,43 @@
+require File.expand_path("../lib/#{File.basename(__FILE__, '.gemspec')}/version", __FILE__)
+
+Gem::Specification.new do |s|
+  s.name = 'ffi'
+  s.version = FFI::VERSION
+  s.author = 'Wayne Meissner'
+  s.email = 'wmeissner@gmail.com'
+  s.homepage = 'https://github.com/ffi/ffi/wiki'
+  s.summary = 'Ruby FFI'
+  s.description = 'Ruby FFI library'
+  if s.respond_to?(:metadata)
+    s.metadata['bug_tracker_uri'] = 'https://github.com/ffi/ffi/issues'
+    s.metadata['changelog_uri'] = 'https://github.com/ffi/ffi/blob/master/CHANGELOG.md'
+    s.metadata['documentation_uri'] = 'https://github.com/ffi/ffi/wiki'
+    s.metadata['wiki_uri'] = 'https://github.com/ffi/ffi/wiki'
+    s.metadata['source_code_uri'] = 'https://github.com/ffi/ffi/'
+    s.metadata['mailing_list_uri'] = 'http://groups.google.com/group/ruby-ffi'
+    s.metadata['rubygems_mfa_required'] = 'true'
+  end
+  s.files = `git ls-files -z`.split("\x0").reject do |f|
+    f =~ /^(\.|bench|gen|libtest|nbproject|spec|rakelib)/
+  end
+
+  # Add libffi git files
+  lfs = `git --git-dir ext/ffi_c/libffi/.git ls-files -z`.split("\x0").reject do |f|
+    f =~ /^(\.|testsuite)/
+  end
+  # Add autoconf generated files of libffi
+  lfs += %w[ compile configure config.guess config.sub install-sh ltmain.sh missing fficonfig.h.in ]
+  # Add automake generated files of libffi
+  lfs += `git --git-dir ext/ffi_c/libffi/.git ls-files -z *.am */*.am`.gsub(".am\0", ".in\0").split("\x0")
+  s.files += lfs.map do |f|
+    File.join("ext/ffi_c/libffi", f)
+  end
+
+  s.extensions << 'ext/ffi_c/extconf.rb'
+  s.rdoc_options = %w[--exclude=ext/ffi_c/.*\.o$ --exclude=ffi_c\.(bundle|so)$]
+  s.license = 'BSD-3-Clause'
+  s.require_paths << 'ext/ffi_c'
+  s.required_ruby_version = '>= 2.5'
+
+  s.metadata['msys2_mingw_dependencies'] = 'libffi'
+end