chore: Add pkgset script (#19)

Signed-off-by: Matt Roberts <code@rbrts.uk>

.travis/deploy.sh

@@ -85,7 +85,7 @@ if [[ "${BUILD_RELEASE}" = "stable" ]]; then
     git clean -d -f
 
     # Bump the version number.
-    npm run pkgbump
+    npm run pkgset
     export NEW_VERSION=$(node -e "console.log(require('${DIR}/package.json').version)")
 
     # Add the version number changes and push them to Git.

package.json

@@ -21,7 +21,8 @@
     "mocha": "mocha --recursive -t 10000",
     "nyc": "nyc mocha --recursive -t 10000",
     "pkgbump": "node ./scripts/pkgbump.js",
-    "pkgstamp": "node ./scripts/pkgstamp.js"
+    "pkgstamp": "node ./scripts/pkgstamp.js",
+    "pkgset": "node ./scripts/pkgset.js"
   },
   "repository": {
     "type": "git",

scripts/pkgset.js

@@ -0,0 +1,27 @@
+#!/usr/bin/env node
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const semver = require('semver');
+
+const packageDirectory = path.resolve('.');
+const packageConfigFile = path.resolve(packageDirectory, 'package.json');
+const packageConfig = require(packageConfigFile);
+const targetVersion = semver.clean(process.argv[2]);
+packageConfig.version = targetVersion;
+fs.writeFileSync(packageConfigFile, JSON.stringify(packageConfig, null, 2), 'utf8');