Merge pull request #93 from josephbisch/ecdsa

Add configurable signer to gsign

bin/gsign

@@ -45,6 +45,10 @@ OptionParser.new do |opts|
   opts.on("-d DEST", "--destination DEST", "directory to place signature in") do |v|
     @options[:destination] = v
   end
+
+  opts.on("-p PROG", "--signing_program PROG", "specify signing program to use") do |v|
+    @options[:program] = v
+  end
 end.parse!
 
 base_dir = Pathname.new(__FILE__).expand_path.dirname.parent
@@ -76,6 +80,7 @@ result['type'] = 'build'
 result['optionals'] = optionals
 
 signer = @options[:signer] or raise "must supply signer with --signer"
+program = @options[:program] || "gpg --detach-sign"
 
 FileUtils.mkdir_p(destination)
 
@@ -85,4 +90,4 @@ assert_path = File.join(release_path, "#{package_name}-build.assert")
 File.open(assert_path, "w") do |io|
   io.write result.to_yaml
 end
-system!("gpg --detach-sign -u \"#{signer}\" \"#{assert_path}\"")
+system!("#{program} -u \"#{signer}\" \"#{assert_path}\"")