feat: add cli support

closes #3

package.json

@@ -5,6 +5,9 @@
       "latest"
     ]
   },
+  "bin": {
+    "cordova-set-version": "dist/cli.js"
+  },
   "bugs": {
     "url": "https://github.com/gligoran/cordova-set-version/issues"
   },
@@ -14,6 +17,7 @@
     }
   },
   "dependencies": {
+    "meow": "3.7.0",
     "mz": "2.6.0",
     "read-pkg": "2.0.0",
     "xml2js": "0.4.17",

src/cli.js

@@ -0,0 +1,42 @@
+#!/usr/bin/env node
+
+import meow from 'meow';
+
+import setCordovaVersion from './index';
+
+const help = `
+    Usage
+      $ cordova-set-version [-v|--version <version>] [-b|--build-number <build-number>] [config.xml]
+    
+    Options
+      -v, --version Version to set
+      -b, --build-number Build number to set
+      
+    Examples
+      $ cordova-set-version -v 2.4.9
+      $ cordova-set-version -b 86
+      $ cordova-set-version -v 2.4.9 -b 86
+`;
+
+const cli = meow(
+    {
+        version: false,
+        help
+    }, {
+        alias: {
+            v: 'version',
+            b: 'buildNumber'
+        }
+    }
+);
+
+const filename = cli.input[0] || 'config.xml';
+let promise = Promise.resolve();
+
+if (cli.flags.version) {
+    promise = promise.then(() => setCordovaVersion.setVersion(filename, cli.flags.version));
+}
+
+if (cli.flags.buildNumber) {
+    promise = promise.then(() => setCordovaVersion.setBuildNumber(filename, cli.flags.buildNumber));
+}