Merge target options with main options.

Fixes #701.

bin/runRollup.js

@@ -171,6 +171,17 @@ function execute ( options, command ) {
 	}
 }
 
+function clone ( object ) {
+	return assign( {}, object );
+}
+
+function assign ( target, source ) {
+	Object.keys( source ).forEach( function ( key ) {
+		target[ key ] = source[ key ];
+	});
+	return target;
+}
+
 function bundle ( options ) {
 	if ( !options.entry ) {
 		handleError({ code: 'MISSING_INPUT_OPTION' });
@@ -185,7 +196,7 @@ function bundle ( options ) {
 			var result = null;
 
 			options.targets.forEach( function ( target ) {
-				result = bundle.write(target);
+				result = bundle.write( assign( clone( options ), target ) );
 			});
 
 			return result;

test/cli/multiple-targets-shared-config/_config.js

@@ -0,0 +1,4 @@
+module.exports = {
+	description: 'uses shared config for each target',
+	command: 'rollup -c'
+};

test/cli/multiple-targets-shared-config/_expected/cjs.js

@@ -0,0 +1,6 @@
+'use strict';
+
+var main = 0;
+
+module.exports = main;
+//# sourceMappingURL=cjs.js.map

test/cli/multiple-targets-shared-config/_expected/cjs.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"cjs.js","sources":["../main.js"],"sourcesContent":["export default 0;\n"],"names":[],"mappings":";;WAAe,CAAC,CAAC,;;"}

test/cli/multiple-targets-shared-config/_expected/es6.js

@@ -0,0 +1,4 @@
+var main = 0;
+
+export default main;
+//# sourceMappingURL=es6.js.map

test/cli/multiple-targets-shared-config/_expected/es6.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"es6.js","sources":["../main.js"],"sourcesContent":["export default 0;\n"],"names":[],"mappings":"WAAe,CAAC,CAAC,;;"}

test/cli/multiple-targets-shared-config/main.js

@@ -0,0 +1 @@
+export default 0;

test/cli/multiple-targets-shared-config/rollup.config.js

@@ -0,0 +1,14 @@
+export default {
+	entry: 'main.js',
+	sourceMap: true,
+	targets: [
+		{
+			format: 'cjs',
+			dest: '_actual/cjs.js'
+		},
+		{
+			format: 'es6',
+			dest: '_actual/es6.js'
+		}
+	]
+};