Add version-only option

Author: polys

README.md

@@ -52,6 +52,14 @@ Otherwise, the name of the current folder is used as the `name` and `version` is
 }
 ```
 
+or with `--version-only`:
+```json
+{
+  "name": "get-git-version",
+  "version": "0.1.4"
+}
+```
+
 ## Command-line Options
 
 * `-w [path]` or `--working-dir [path]` overrides the working directory (defaults to the current directory)
@@ -60,6 +68,7 @@ Otherwise, the name of the current folder is used as the `name` and `version` is
 * `--app-id [id]` overrides the application `id` (defaults to `app`)
 * `--version-tag-prefix [prefix]` overrides the default version tag prefix (defaults to `v[0-9]*`)
 * `--no-pretty` disables pretty printing the output JSON
+* `--version-only` returns only the version, without git information
 * `-h` or `--help` outputs usage information
 
 ## Configuration file example

package.json

@@ -1,6 +1,6 @@
 {
   "name": "get-git-version",
-  "version": "0.1.4",
+  "version": "0.2.0",
   "author": "Polys Georgiou",
   "license": "MIT",
   "homepage": "https://github.com/polys/git-version",

version.js

@@ -12,6 +12,7 @@ commander
   .option('--app-id [id]', 'override default application id', 'app')
   .option('--version-tag-prefix [prefix]', 'override default version tag prefix', 'v[0-9]*')
   .option('--no-pretty', 'disable pretty printing the output JSON')
+  .option('--version-only', 'return only the version without git information')
   .parse(process.argv);
 
 const {
@@ -20,7 +21,8 @@ const {
   configFile,
   appId,
   versionTagPrefix,
-  pretty
+  pretty,
+  versionOnly
 } = commander;
 
 if (!workingDir || !fs.existsSync(workingDir) || !fs.lstatSync(workingDir).isDirectory()) {
@@ -103,13 +105,18 @@ Promise.all(config.map(async item => (
   const app = versions.find(c => c.id === appId);
   const components = versions.filter(c => c.id !== appId);
 
-  const version = {
+  let version = {
     name: app.name,
-    version: app.version || appConfig.version,
-    git: app.git,
-    components
+    version: app.version || appConfig.version
   };
 
+  if (!versionOnly) {
+    version = Object.assign(version, {
+      git: app.git,
+      components
+    });
+  }
+
   const json = JSON.stringify(version, undefined, pretty ? 2 : 0);
 
   if (outFilePath) {