feat: add components

components/component-git.js

@@ -0,0 +1,9 @@
+
+exports.isGitUptodate = () => {
+    var r = $STR($$.shell().commands('git', 'fetch', '--dry-run').mergeError().start()[0]);
+    if (r.trim().length > 0) {
+        return false;
+    }
+    return true;
+};
+