Fix no merge warning + fix modification date

sitegin/gitInfo.js

@@ -183,14 +183,18 @@ module.exports = function(obj) {
             article.metadata.date = {};
 
           if(article.metadata.date.creation === undefined) {
-            if(mergeCommit === undefined)
+            if(mergeCommit === undefined) {
+              console.log('[Warning] Article '+ file +' does not have merge commit.');
               article.metadata.date.creation = moment();
-            else
+            } else
               article.metadata.date.creation = mergeCommit.date;
           }
 
           article.metadata.date.modification = newestCommit.date;
-          article.metadata.date.modified = (newestCommit !== oldestCommit);
+          var sameDay = function(a,b) {
+            return a.getYear()==b.getYear() && a.getMonth() == b.getMonth() && a.getDate() == b.getDate();
+          }
+          article.metadata.date.modified = !sameDay(newestCommit.date, oldestCommit.date);
 
           if(article.metadata.author === undefined)
             article.metadata.author = {}
@@ -201,7 +205,7 @@ module.exports = function(obj) {
 
           article.commits = commits;
         } else {
-          console.log('[Warning] Article '+ file +' is not in git repository or doesn\'t have merge commit');
+          console.log('[Warning] Article '+ file +' is not in git repository.');
         }
       });
       return obj;