🛠 ✨ grunt master (#8251)

refs #8235

- add a new grunt command `dev-master`
- this command will bring back your working directory to latest master
- plus it will update your dependencies and checks your database health
- it won't build the client (!)

* 🛠  ✨  grunt dev-master
* fix jscs 💣
* change to grunt master

Gruntfile.js

@@ -236,6 +236,21 @@ var overrides      = require('./core/server/overrides'),
                 }
             },
 
+            // ### grunt-shell
+            // Command line tools where it's easier to run a command directly than configure a grunt plugin
+            shell: {
+                master: {
+                    command: function () {
+                        var upstream = grunt.option('upstream') || 'origin';
+                        return 'git checkout master; git pull ' + upstream + ' master; npm install;';
+                    }
+                },
+
+                dbhealth: {
+                    command: 'knex-migrator health'
+                }
+            },
+
             // ### grunt-docker
             // Generate documentation from code
             docker: {
@@ -670,6 +685,18 @@ var overrides      = require('./core/server/overrides'),
             }
         });
 
+        /**
+         * This command helps you to bring your working directory back to current master.
+         * It will also update your dependencies and shows you if your database is health.
+         * It won't build the client!
+         *
+         * grunt master [origin is the default upstream to pull from]
+         * grunt master --upstream=parent
+         */
+        grunt.registerTask('master', 'Update your current working folder to latest master.',
+            ['shell:master', 'update_submodules', 'subgrunt:init', 'shell:dbhealth']
+        );
+
         // ### Release
         // Run `grunt release` to create a Ghost release zip file.
         // Uses the files specified by `.npmignore` to know what should and should not be included.