feat : Replace 'checkout master' with 'git checkout master',which is a common mistake beginners makes

thefuck/rules/git-checkout-master-no-git

@@ -0,0 +1,11 @@
+def match(command):
+
+    return (
+        command.script == "checkout master"
+    )
+
+
+
+
+def get_new_command(command):
+    return (command.script.replace("checkout master","git checkout master",1))