fix: isProhibitedBranch detection (#394)

Co-authored-by: peaceiris <30958501+peaceiris@users.noreply.github.com>

__tests__/set-tokens.test.ts

@@ -47,6 +47,32 @@ describe('setGithubToken()', () => {
     expect(test).toMatch(expected);
   });
 
+  test('return remote url with GITHUB_TOKEN gh-pages (RegExp)', () => {
+    const expected = 'https://x-access-token:GITHUB_TOKEN@github.com/owner/repo.git';
+    const test = setGithubToken(
+      'GITHUB_TOKEN',
+      'owner/repo',
+      'gh-pages',
+      '',
+      'refs/heads/gh-pages-base',
+      'push'
+    );
+    expect(test).toMatch(expected);
+  });
+
+  test('throw error gh-pages-base to gh-pages-base (RegExp)', () => {
+    expect(() => {
+      setGithubToken(
+        'GITHUB_TOKEN',
+        'owner/repo',
+        'gh-pages-base',
+        '',
+        'refs/heads/gh-pages-base',
+        'push'
+      );
+    }).toThrowError('You deploy from gh-pages-base to gh-pages-base');
+  });
+
   test('throw error master to master', () => {
     expect(() => {
       setGithubToken('GITHUB_TOKEN', 'owner/repo', 'master', '', 'refs/heads/master', 'push');

src/set-tokens.ts

@@ -83,7 +83,7 @@ Use deploy_key or personal_token.
   }
 
   if (eventName === 'push') {
-    isProhibitedBranch = ref.includes(`refs/heads/${publishBranch}`);
+    isProhibitedBranch = ref.match(new RegExp(`^refs/heads/${publishBranch}$`)) !== null;
     if (isProhibitedBranch) {
       throw new Error(`You deploy from ${publishBranch} to ${publishBranch}`);
     }