workflows: add ghcp setup

.github/commands/send.js

@@ -9,7 +9,7 @@ module.exports = async ([mergedArtifactURL], helpers) => {
     branch: 'main',
     inputs: {
       versions: JSON.stringify(require('../../versions.json')),
-      mergedArtifactURL: mergedArtifactURL,
+      mergedArtifactURL,
       prNumber: process.env.PR_NUMBER
     }
   }

.github/commands/setupCopilot.js

@@ -0,0 +1,91 @@
+/**
+ * setupCopilot.js
+ *
+ * Reads versions from:
+ *  - versions.json at repo root (if present), else
+ *  - directories under mc/
+ *
+ * For each version it runs:
+ *   ./gradlew :mc:<version>:runServer --stacktrace
+ *
+ * Uses child_process.execSync(cmd, { stdio: 'inherit' }) so logs stream to the action console.
+ * Errors are caught, logged, and the loop continues. At the end the script writes
+ * success_versions and failed_versions to $GITHUB_OUTPUT (if available) for downstream steps.
+ *
+ * To force the action to fail if any version errors, set env FAIL_ON_ERROR=true in the workflow.
+ */
+
+const cp = require('child_process')
+const fs = require('fs')
+const { join } = require('path')
+
+const failOnError = process.env.FAIL_ON_ERROR === 'true'
+
+// Save some time by skipping old versions as we are not parallelizing builds
+const versions = require('../../versions.json')
+const SKIP_VERSIONS = versions.slice(0, versions.indexOf('1.21.3'))
+
+async function main () {
+
+  if (!Array.isArray(versions) || versions.length === 0) {
+    console.error('No versions found (no VERSION env, no versions.json, no mc/* directories).')
+    process.exit(1)
+  }
+
+  console.log('Versions to build:', versions.join(', '))
+
+  process.chdir(join(__dirname, '../../'))
+
+  const successes = []
+  const failures = []
+
+  for (const v of versions) {
+    if (SKIP_VERSIONS.includes(v)) {
+      console.log(`Skipping old version ${v}...`)
+      continue
+    }
+    console.log('')
+    console.log('=== Building version:', v, '===')
+    const cmd = `./gradlew :mc:${v}:runServer --stacktrace`
+    try {
+      // stream output to the runner logs
+      cp.execSync(cmd, { stdio: 'inherit' })
+      successes.push(v)
+      console.log(`✅ ${v} succeeded`)
+    } catch (err) {
+      failures.push(v)
+      console.error(`❌ ${v} failed (continuing to next version)`)
+      // continue to next version
+    }
+  }
+
+  // Write outputs for downstream jobs, if GITHUB_OUTPUT available
+  const ghOut = process.env.GITHUB_OUTPUT
+  if (ghOut) {
+    try {
+      fs.appendFileSync(ghOut, `success_versions=${JSON.stringify(successes)}\n`)
+      fs.appendFileSync(ghOut, `failed_versions=${JSON.stringify(failures)}\n`)
+    } catch (e) {
+      console.warn('Could not write to GITHUB_OUTPUT:', e && e.message)
+    }
+  } else {
+    console.log('GITHUB_OUTPUT not found; printing summaries to stdout instead.')
+    console.log('success_versions=', JSON.stringify(successes))
+    console.log('failed_versions=', JSON.stringify(failures))
+  }
+
+  console.log('')
+  console.log('Summary:')
+  console.log('  succeeded:', JSON.stringify(successes))
+  console.log('  failed:   ', JSON.stringify(failures))
+
+  if (failOnError && failures.length > 0) {
+    console.error('FAIL_ON_ERROR is true and some builds failed — exiting with non-zero code.')
+    process.exit(1)
+  }
+
+  // otherwise exit 0 so the workflow continues (Copilot can triage failures)
+  process.exit(0)
+}
+
+main()

.github/workflows/copilot-setup-steps.yml

@@ -0,0 +1,37 @@
+# https://docs.github.com/en/copilot/how-tos/use-copilot-agents/coding-agent/customize-the-agent-environment
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+  pull_request:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+
+jobs:
+  copilot-setup-steps:
+    name: Build and generate data (single-step loop via Node)
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Validate Gradle wrapper
+        uses: gradle/actions/wrapper-validation@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+        with:
+          add-job-summary-as-pr-comment: on-failure
+
+      - name: Run Copilot setup script
+        run: node .github/commands/setupCopilot.js
+        shell: bash