From 870b21114f9982ddb4bf3585bd1542c27a0b30bc Mon Sep 17 00:00:00 2001
From: Frederick Ros <frederick.ros@gmail.com>
Date: Tue, 7 May 2013 17:01:40 +0200
Subject: [PATCH] Added an option to create a summary file

---
 Gruntfile.js                 |  6 ++++++
 tasks/rev.js                 |  6 +++++-
 test/fixtures/revsummary.txt |  1 +
 test/rev_test.js             | 10 ++++++++++
 4 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 test/fixtures/revsummary.txt

diff --git a/Gruntfile.js b/Gruntfile.js
index a9e2b22..61de6f5 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -56,6 +56,12 @@ module.exports = function(grunt) {
         },
         src: ['tmp/international.txt']
       },
+      summary_options: {
+        options: {
+          summary: 'tmp/rev_summary.js'
+        },
+        src: ['tmp/revsummary.txt']
+      }
     },
 
     // Unit tests.
diff --git a/tasks/rev.js b/tasks/rev.js
index f6f77c2..2212d6a 100644
--- a/tasks/rev.js
+++ b/tasks/rev.js
@@ -28,6 +28,7 @@ module.exports = function(grunt) {
       algorithm: 'md5',
       length: 8
     });
+    var summary = {};
 
     this.files.forEach(function(filePair) {
       filePair.src.forEach(function(f) {
@@ -36,7 +37,7 @@ module.exports = function(grunt) {
           prefix = hash.slice(0, options.length),
           renamed = [prefix, path.basename(f)].join('.'),
           outPath = path.resolve(path.dirname(f), renamed);
-
+        summary[f] = path.join(path.dirname(f), renamed);
         grunt.verbose.ok().ok(hash);
         fs.renameSync(f, outPath);
         grunt.log.write(f + ' ').ok(renamed);
@@ -44,6 +45,9 @@ module.exports = function(grunt) {
       });
     });
 
+    if (options.summary) {
+      grunt.file.write(options.summary, JSON.stringify(summary));
+    }
   });
 
 };
diff --git a/test/fixtures/revsummary.txt b/test/fixtures/revsummary.txt
new file mode 100644
index 0000000..ff3bb63
--- /dev/null
+++ b/test/fixtures/revsummary.txt
@@ -0,0 +1 @@
+The quick brown fox jumps over the lazy dog
\ No newline at end of file
diff --git a/test/rev_test.js b/test/rev_test.js
index b876642..549419c 100644
--- a/test/rev_test.js
+++ b/test/rev_test.js
@@ -49,6 +49,16 @@ exports.rev = {
     var exists = grunt.file.exists('tmp/faa07745.international.txt');
     test.ok(exists, '8 character MD5 hash prefix for international content');
 
+    test.done();
+  },
+  rev_summary_options: function(test) {
+    test.expect(2);
+
+    var exists = grunt.file.exists('tmp/rev_summary.js');
+    test.ok(exists, 'summary file produced');
+
+    var summary = grunt.file.readJSON('tmp/rev_summary.js');
+    test.equal(summary['tmp/revsummary.txt'], 'tmp/9e107d9d.revsummary.txt');
     test.done();
   }
 };