Fix absolute paths

Author: Sean McGivern

Gruntfile.js

@@ -1,4 +1,7 @@
 'use strict';
+function absolutePath(path) {
+  return __dirname + '/' + path;
+}
 module.exports = function (grunt) {
   grunt.initConfig({
     jshint: {
@@ -18,6 +21,15 @@ module.exports = function (grunt) {
       options: {
         sourceMap: true
       },
+      absolute: {
+        files: [{
+          src: [
+            'test/fixtures/input_one.css',
+            'test/fixtures/input_two.css'
+          ].map(absolutePath),
+          dest: absolutePath('tmp/absolute.css')
+        }]
+      },
       compress: {
         files: {
           'tmp/style.css': [

tasks/cssmin.js

@@ -34,6 +34,11 @@ module.exports = function (grunt) {
 
       options.target = file.dest;
 
+      var unCompiledCssString = availableFiles.map(function (file) {
+        options.relativeTo = path.dirname(file);
+        return grunt.file.read(file);
+      }).join('');
+
       try {
         compiled = new CleanCSS(options).minify(availableFiles);
       } catch (err) {
@@ -43,10 +48,6 @@ module.exports = function (grunt) {
 
       var compiledCssString = compiled.styles;
 
-      var unCompiledCssString = availableFiles.map(function (file) {
-        return grunt.file.read(file);
-      }).join('');
-
       if (options.sourceMap) {
         compiledCssString += '\n' + '/*# sourceMappingURL=' + path.basename(file.dest) + '.map */';
         grunt.file.write(file.dest + '.map', compiled.sourceMap.toString());

test/expected/absolute.css

@@ -18,6 +18,15 @@ exports.cssmin = {
     var result = grunt.file.read('tmp/inline_import.css').replace(/\r\n/g,'').replace(/\n/g,'');
     test.equal(expect, result, 'should inline @import');
 
+    test.done();
+  },
+  absolute: function(test) {
+    test.expect(1);
+
+    var expect = grunt.file.read('test/expected/absolute.css').replace(/\r\n/g,'').replace(/\n/g,'');
+    var result = grunt.file.read('tmp/absolute.css').replace(/\r\n/g,'').replace(/\n/g,'');
+    test.equal(expect, result, 'should perform the standard tasks when given absolute paths');
+
     test.done();
   }
 };