feat: parse versioning type from the manifest config (#1572)

Fixes #1569

docs/manifest-releaser.md

@@ -114,9 +114,10 @@ minimal content required defines at least one package:
   }
 }
 ```
-The following example shows all the possibilities. Note: for illustration
-purposes the top level values set here are **NOT** the defaults (those are
-documented in comments)
+The following example shows most of the available options. See the documented
+[JSON schema](/schemas/config.json) for the complete configuration definition.
+Note: for illustration purposes the top level values set here are **NOT** the
+defaults (those are documented in comments)
 ```js
 {
   // if this is the first time running `manifest-pr` on a repo

schemas/config.json

@@ -20,6 +20,10 @@
           "description": "Feature changes only bump semver patch if version < 1.0.0",
           "type": "boolean"
         },
+        "versioning": {
+          "description": "Versioning strategy. Defaults to `default`",
+          "type": "string"
+        },
         "changelog-sections": {
           "description": "Override the Changelog configuration sections",
           "type": "array",
@@ -305,6 +309,7 @@
     "release-type": true,
     "bump-minor-pre-major": true,
     "bump-patch-for-minor-pre-major": true,
+    "versioning": true,
     "changelog-sections": true,
     "release-as": true,
     "skip-github-release": true,

src/manifest.ts

@@ -123,6 +123,7 @@ export interface CandidateRelease extends Release {
 
 interface ReleaserConfigJson {
   'release-type'?: ReleaseType;
+  versioning?: VersioningStrategyType;
   'bump-minor-pre-major'?: boolean;
   'bump-patch-for-minor-pre-major'?: boolean;
   'changelog-sections'?: ChangelogSection[];
@@ -1161,6 +1162,7 @@ function extractReleaserConfig(
     releaseType: config['release-type'],
     bumpMinorPreMajor: config['bump-minor-pre-major'],
     bumpPatchForMinorPreMajor: config['bump-patch-for-minor-pre-major'],
+    versioning: config['versioning'],
     changelogSections: config['changelog-sections'],
     changelogPath: config['changelog-path'],
     changelogHost: config['changelog-host'],
@@ -1478,6 +1480,7 @@ function mergeReleaserConfig(
     bumpPatchForMinorPreMajor:
       pathConfig.bumpPatchForMinorPreMajor ??
       defaultConfig.bumpPatchForMinorPreMajor,
+    versioning: pathConfig.versioning ?? defaultConfig.versioning,
     changelogSections:
       pathConfig.changelogSections ?? defaultConfig.changelogSections,
     changelogPath: pathConfig.changelogPath ?? defaultConfig.changelogPath,

test/fixtures/manifest/config/versioning.json

@@ -0,0 +1,13 @@
+{
+  "release-type": "simple",
+  "versioning": "always-bump-patch",
+  "packages": {
+    ".": {
+      "component": "root"
+    },
+    "packages/bot-config-utils": {
+      "component": "bot-config-utils",
+      "versioning": "default"
+    }
+  }
+}

test/manifest.ts

@@ -622,6 +622,38 @@ describe('Manifest', () => {
       ).to.eql('default');
     });
 
+    it('should read versioning type from manifest', async () => {
+      const getFileContentsStub = sandbox.stub(
+        github,
+        'getFileContentsOnBranch'
+      );
+      getFileContentsStub
+        .withArgs('release-please-config.json', 'main')
+        .resolves(
+          buildGitHubFileContent(
+            fixturesPath,
+            'manifest/config/versioning.json'
+          )
+        )
+        .withArgs('.release-please-manifest.json', 'main')
+        .resolves(
+          buildGitHubFileContent(
+            fixturesPath,
+            'manifest/versions/versions.json'
+          )
+        );
+      const manifest = await Manifest.fromManifest(
+        github,
+        github.repository.defaultBranch
+      );
+      expect(manifest.repositoryConfig['.'].versioning).to.eql(
+        'always-bump-patch'
+      );
+      expect(
+        manifest.repositoryConfig['packages/bot-config-utils'].versioning
+      ).to.eql('default');
+    });
+
     it('should throw a configuration error for a missing manifest config', async () => {
       const getFileContentsStub = sandbox.stub(
         github,