Merge pull request #270 from leighhalliday/allow-no-files

Option to allow for no files

lib/erb_lint/cli.rb

@@ -35,7 +35,11 @@ def run(args = ARGV)
       load_config
 
       if !@files.empty? && lint_files.empty?
-        failure!("no files found...\n")
+        if allow_no_files?
+          success!("no files found...\n")
+        else
+          failure!("no files found...\n")
+        end
       elsif lint_files.empty?
         failure!("no files found or given, specify files or config...\n#{option_parser}")
       end
@@ -302,6 +306,10 @@ def option_parser
           @options[:autocorrect] = config
         end
 
+        opts.on("--allow-no-files", "When no matching files found, exit successfully (default: false)") do |config|
+          @options[:allow_no_files] = config
+        end
+
         opts.on(
           "-sFILE",
           "--stdin FILE",
@@ -333,5 +341,9 @@ def invalid_format_error_message(given_format)
     def stdin?
       @options[:stdin].present?
     end
+
+    def allow_no_files?
+      @options[:allow_no_files]
+    end
   end
 end

spec/erb_lint/cli_spec.rb

@@ -561,6 +561,22 @@ def run(processed_source)
             expect { subject }.to(output(/no files found\.\.\./).to_stderr)
             expect(subject).to(be(false))
           end
+
+          context "allowing for no matching files" do
+            let(:args) do
+              [
+                "--config", config_file,
+                "--enable-linter", "linter_with_errors,final_newline",
+                "--stdin", linted_file,
+                "--allow-no-files",
+              ]
+            end
+
+            it "exits with success status" do
+              expect { subject }.to(output(/no files found\.\.\./).to_stdout)
+              expect(subject).to(be(true))
+            end
+          end
         end
       end
     end