feat: handle creating releases (#3)

.github/workflows/update-pr.yaml

@@ -11,3 +11,4 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           release-type: node
+          package-name: release-please-action

action.yml

@@ -3,10 +3,13 @@ description: 'automated releases based on conventional commits'
 author: 'Ben Coe <bencoe@google.com>'
 inputs:
   token:
-    description: 'token for creating and grooming release PRs (probably secrets.GITHUB_TOKEN)'
+    description: 'GitHub token for creating and grooming release PRs, e.g., secrets.GITHUB_TOKEN'
+    required: true
+  package-name:
+    description: 'name of the distributions releases are being created for, e.g., "name" in package.json, or "setup.py"'
     required: true
   release-type:
-    description: 'what type of release is this, e.g., nodejs, java'
+    description: 'what type of release is this, one of (ruby, python, node, terraform-module)'
     required: true
 runs:
   using: 'node12'

index.js

@@ -1,17 +1,27 @@
 const core = require('@actions/core')
+const { GitHubRelease } = require('release-please/build/src/github-release')
 const { ReleasePRFactory } = require('release-please/build/src/release-pr-factory')
 
 const RELEASE_LABEL = 'autorelease: pending'
 
-const action = core.getInput('action')
-
 async function main () {
   const token = core.getInput('token')
   const releaseType = core.getInput('release-type')
-  const name = core.getInput('name')
+  const packageName = core.getInput('package-name')
 
+  // First we check for any merged release PRs (PRs merged with the label
+  // "autorelease: pending"):
+  const gr = new GitHubRelease({
+    label: RELEASE_LABEL,
+    repoUrl: process.env.GITHUB_REPOSITORY,
+    packageName
+  })
+  await gr.createRelease()
+
+  // Next we check for PRs merged since the last release, and groom the
+  // release PR:
   const release = ReleasePRFactory.build(releaseType, {
-    packageName: name || 'unknown',
+    packageName: packageName,
     apiUrl: 'https://api.github.com',
     repoUrl: process.env.GITHUB_REPOSITORY,
     token: token,