Add ENC override CLI option

Author: Kevin Paulisse

lib/octocatalog-diff/cli/options/enc_override.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+# Allow override of ENC parameters on the command line. ENC parameter overrides can be supplied for the 'to' or 'from' catalog,
+# or for both. There is some attempt to handle data types here (since all items on the command line are strings)
+# by permitting a data type specification as well. For parameters nested in hashes, use `::` as the delimiter.
+OctocatalogDiff::Cli::Options::Option.newoption(:enc_override) do
+  has_weight 322
+
+  def parse(parser, options)
+    # Set 'enc_override_in' because more processing is needed, once the command line options
+    # have been parsed, to make this into the final form 'enc_override'.
+    OctocatalogDiff::Cli::Options.option_globally_or_per_branch(
+      parser: parser,
+      options: options,
+      cli_name: 'enc-override',
+      option_name: 'enc_override_in',
+      desc: 'Override parameter from ENC',
+      datatype: []
+    )
+  end
+end

spec/octocatalog-diff/tests/cli/options/enc_override_spec.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+require_relative '../options_helper'
+
+describe OctocatalogDiff::Cli::Options do
+  describe '#opt_enc_override' do
+    include_examples 'global array option', 'enc-override', :enc_override_in
+
+    it 'should accept multiple ENC parameters of the same type' do
+      args = ['--to-enc-override', 'foo=bar', '--to-enc-override', 'baz=buzz']
+      result = run_optparse(args)
+      expect(result[:to_enc_override_in]).to eq(['foo=bar', 'baz=buzz'])
+    end
+  end
+end