feat: Add ruby-version manager (#3515)

Adds functionality to detect and update `.ruby-version` files.

lib/config/definitions.js

@@ -1214,6 +1214,17 @@ const options = [
     },
     mergeable: true,
   },
+  {
+    name: 'ruby-version',
+    stage: 'package',
+    type: 'object',
+    default: {
+      fileMatch: ['(^|/)\\.ruby-version$'],
+      versionScheme: 'ruby',
+    },
+    mergeable: true,
+    cli: false,
+  },
   {
     name: 'terraform',
     description: 'Configuration object for Terraform module renovation',

lib/manager/index.js

@@ -25,6 +25,7 @@ const managerList = [
   'poetry',
   'terraform',
   'travis',
+  'ruby-version',
 ];
 const managers = {};
 for (const manager of managerList) {

lib/manager/ruby-version/extract.js

@@ -0,0 +1,18 @@
+const ruby = require('../../versioning/ruby');
+
+module.exports = {
+  extractPackageFile,
+};
+
+function extractPackageFile(content) {
+  logger.trace('ruby-version.extractPackageFile()');
+  const dep = {
+    depName: 'ruby',
+    currentValue: content.trim(),
+    datasource: 'rubyVersion',
+  };
+  if (!ruby.isValid(dep.currentValue)) {
+    dep.skipReason = 'unsupported-version';
+  }
+  return { deps: [dep] };
+}

lib/manager/ruby-version/index.js

@@ -0,0 +1,10 @@
+const { extractPackageFile } = require('./extract');
+const { updateDependency } = require('./update');
+
+const language = 'ruby';
+
+module.exports = {
+  extractPackageFile,
+  language,
+  updateDependency,
+};

lib/manager/ruby-version/update.js

@@ -0,0 +1,8 @@
+module.exports = {
+  updateDependency,
+};
+
+function updateDependency(fileContent, upgrade) {
+  logger.debug(`ruby-version.updateDependency(): ${upgrade.newVersions}`);
+  return `${upgrade.newValue}\n`;
+}

renovate-schema.json

@@ -813,6 +813,14 @@
       },
       "$ref": "#"
     },
+    "ruby-version": {
+      "type": "object",
+      "default": {
+        "fileMatch": ["(^|/)\\.ruby-version$"],
+        "versionScheme": "ruby"
+      },
+      "$ref": "#"
+    },
     "terraform": {
       "description": "Configuration object for Terraform module renovation",
       "type": "object",

test/config/__snapshots__/validation.spec.js.snap

@@ -87,7 +87,7 @@ Array [
     "depName": "Configuration Error",
     "message": "packageRules:
         You have included an unsupported manager in a package rule. Your list: foo. 
-        Supported managers are: (ansible, bazel, buildkite, bundler, cargo, circleci, composer, docker-compose, dockerfile, github-actions, gitlabci, gomod, gradle, gradle-wrapper, kubernetes, maven, meteor, npm, nuget, nvm, pip_requirements, pip_setup, pipenv, poetry, terraform, travis).",
+        Supported managers are: (ansible, bazel, buildkite, bundler, cargo, circleci, composer, docker-compose, dockerfile, github-actions, gitlabci, gomod, gradle, gradle-wrapper, kubernetes, maven, meteor, npm, nuget, nvm, pip_requirements, pip_setup, pipenv, poetry, terraform, travis, ruby-version).",
   },
 ]
 `;

test/manager/ruby-version/__snapshots__/extract.spec.js.snap

@@ -0,0 +1,32 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`lib/manager/ruby-version/extract extractPackageFile() returns a result 1`] = `
+Array [
+  Object {
+    "currentValue": "8.4.0",
+    "datasource": "rubyVersion",
+    "depName": "ruby",
+  },
+]
+`;
+
+exports[`lib/manager/ruby-version/extract extractPackageFile() skips non ranges 1`] = `
+Array [
+  Object {
+    "currentValue": "latestn",
+    "datasource": "rubyVersion",
+    "depName": "ruby",
+    "skipReason": "unsupported-version",
+  },
+]
+`;
+
+exports[`lib/manager/ruby-version/extract extractPackageFile() supports ranges 1`] = `
+Array [
+  Object {
+    "currentValue": "8.4",
+    "datasource": "rubyVersion",
+    "depName": "ruby",
+  },
+]
+`;

test/manager/ruby-version/__snapshots__/update.spec.js.snap

@@ -0,0 +1,6 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`manager/nvm/update updateDependency updates values 1`] = `
+"8.9.1
+"
+`;

test/manager/ruby-version/extract.spec.js

@@ -0,0 +1,20 @@
+const {
+  extractPackageFile,
+} = require('../../../lib/manager/ruby-version/extract');
+
+describe('lib/manager/ruby-version/extract', () => {
+  describe('extractPackageFile()', () => {
+    it('returns a result', () => {
+      const res = extractPackageFile('8.4.0\n');
+      expect(res.deps).toMatchSnapshot();
+    });
+    it('supports ranges', () => {
+      const res = extractPackageFile('8.4\n');
+      expect(res.deps).toMatchSnapshot();
+    });
+    it('skips non ranges', () => {
+      const res = extractPackageFile('latestn');
+      expect(res.deps).toMatchSnapshot();
+    });
+  });
+});

test/manager/ruby-version/update.spec.js

@@ -0,0 +1,15 @@
+const {
+  updateDependency,
+} = require('../../../lib/manager/ruby-version/update');
+
+describe('manager/nvm/update', () => {
+  describe('updateDependency', () => {
+    it('updates values', () => {
+      const upgrade = {
+        newValue: '8.9.1',
+      };
+      const res = updateDependency('8.9.0\n', upgrade);
+      expect(res).toMatchSnapshot();
+    });
+  });
+});

test/workers/repository/extract/__snapshots__/index.spec.js.snap

@@ -74,6 +74,9 @@ Object {
   "poetry": Array [
     Object {},
   ],
+  "ruby-version": Array [
+    Object {},
+  ],
   "terraform": Array [
     Object {},
   ],

website/docs/configuration-options.md

@@ -885,6 +885,8 @@ Set this to false either globally, per-language, or per-package if you want to d
 
 ## ruby
 
+## ruby-version
+
 ## schedule
 
 The `schedule` option allows you to define times of week or month for Renovate updates. Running Renovate around the clock may seem too "noisy" for some projects and therefore `schedule` is a good way to reduce the noise by reducing the timeframe in which Renovate will operate on your repository.