diff --git a/grunt/aliases.yaml b/grunt/aliases.yaml
index 5772bb3..9ed3e23 100644
--- a/grunt/aliases.yaml
+++ b/grunt/aliases.yaml
@@ -69,6 +69,7 @@ pushSite:
 # Provide all Front-End service files plus CSS styling for CMS needs, copy it to separate branch "css" and push it to remote git server.
 # ==================================
 pushCss:
+    - 'checkMaster' #task helper
     #Dev
     - 'dev' #task helper
     #Postcss autoprefixer
@@ -84,6 +85,7 @@ pushCss:
 # Provide all Front-End service files plus LESS styling for CMS needs, copy it to separate branch "less" and push it to remote git server.
 # ==================================
 pushLess:
+    - 'checkMaster' #task helper
     #Dev
     - 'dev' #task helper
     #Less
@@ -138,5 +140,12 @@ pushLessBranch:
     - 'buildcontrol:less'
     - 'notify:less'
 
+# check is local master branch synced with remote master
+checkMaster:
+    # check Is Master
+    - 'shell:isMaster'
+    # check is Updated
+    - 'shell:isUpdated'
+
 # ==================================
 # ==================================
diff --git a/grunt/shell.js b/grunt/shell.js
new file mode 100644
index 0000000..47be042
--- /dev/null
+++ b/grunt/shell.js
@@ -0,0 +1,55 @@
+function isMaster(err, stdout, stderr, cb) {
+    if (err) {
+        cb(err);
+        return;
+    }
+    var match = stdout.match(/\n/i);
+    stdout = stdout.slice(0, match.index);
+    if (stdout === 'master') {
+        cb();
+        return;
+    } else {
+        console.log('You are not at master brunch!');
+        console.log('Please switch to master branch and start script again.');
+        cb();
+        process.exit();
+    }
+}
+function isUpdated(err, stdout, stderr, cb) {
+    if (err) {
+        cb(err);
+        return;
+    }
+    var match = stdout.match(/\n/i);
+    stdout = stdout.slice(0, match.index);
+    var matchAhead = stdout.match(/ahead/i);
+    if (!matchAhead) {
+        cb();
+        return;
+    } else {
+        console.log('Error!');
+        console.log('Your local master branch is not synchronized with remote master.');
+        console.log('Please push you changes to remote repo (git push), and start script again.');
+        cb();
+        process.exit();
+    }
+}
+
+module.exports = {
+    isMaster: {
+        command: 'git rev-parse --abbrev-ref HEAD',
+        options: {
+            stderr: false,
+            stdout: false,
+            callback: isMaster
+        }
+    },
+    isUpdated: {
+        command: 'git status -sb',
+        options: {
+            stderr: false,
+            stdout: false,
+            callback: isUpdated
+        }
+    }
+};