Fix commit inclusion in release ranges

Author: alexcanessa

.eslintrc

@@ -56,3 +56,8 @@ rules:
     prefer-rest-params: error
     prefer-promise-reject-errors: 0
     valid-typeof: 0
+overrides:
+    files:
+        - "*.spec.js"
+    env:
+        mocha: true

lib/src/Gren.js

@@ -652,10 +652,10 @@ class Gren {
      *
      * @return {string}
      */
-    _generateCommitsBody(commits = []) {
+    _generateCommitsBody(commits = [], addEmptyCommit) {
         const bodyMessages = Array.from(commits);
 
-        if (bodyMessages.length === 1) {
+        if (bodyMessages.length === 1 || addEmptyCommit) {
             bodyMessages.push(null);
         }
 
@@ -716,7 +716,7 @@ class Gren {
                         name: this.options.prefix + range[0].name,
                         release: range[0].name,
                         published_at: range[0].date,
-                        body: this._generateCommitsBody(commits) + '\n'
+                        body: this._generateCommitsBody(commits, range[1].id === 0) + '\n'
                     };
                 })
         );
@@ -1091,8 +1091,7 @@ class Gren {
         }
 
         for (let i = 0; i < sortedReleaseDates.length - 1; i++) {
-            // NOTE: Get one second later
-            const until = (new Date(new Date(sortedReleaseDates[i + 1].date).getTime() + 1000).toISOString()).replace(/\.000Z$/, 'Z');
+            const until = sortedReleaseDates[i + 1].date;
             ranges.push([
                 sortedReleaseDates[i],
                 {

test/Gren.spec.js

@@ -8,6 +8,7 @@ const TOKEN = process.env.GREN_GITHUB_TOKEN;
 
 if (!TOKEN) {
     console.log(chalk.blue('Token not present, skipping Gren tests.'));
+    // eslint-disable-next-line no-global-assign
     describe = describe.skip;
 }
 
@@ -78,23 +79,23 @@ describe('Gren', () => {
                         date: '2017-10-01T23:00:00.000Z'
                     },
                     {
-                        date: '2017-09-01T23:00:01Z'
+                        date: '2017-09-01T23:00:00.000Z'
                     }
                 ],
                 [
                     {
                         date: '2017-09-01T23:00:00.000Z'
                     },
                     {
-                        date: '2017-05-01T23:00:01Z'
+                        date: '2017-05-01T23:00:00.000Z'
                     }
                 ],
                 [
                     {
                         date: '2017-05-01T23:00:00.000Z'
                     },
                     {
-                        date: '2016-09-01T23:00:01Z'
+                        date: '2016-09-01T23:00:00.000Z'
                     }
                 ]
             ];
@@ -108,7 +109,7 @@ describe('Gren', () => {
                 },
                 {
                     id: 0,
-                    date: '1970-01-01T00:00:01Z'
+                    date: new Date('1970-01-01T00:00:00.000Z')
                 }
             ]]), 'Given release blocks with all tags option in');
         });