wip

.github/scripts/checkChangesets.mts

@@ -0,0 +1,37 @@
+import { prHasChangeset, prHasLabel, getPr } from './pr.mjs'
+
+async function checkChangesets() {
+  const hasChangesetsOkLabel = prHasLabel('changesets-ok')
+  if (hasChangesetsOkLabel) {
+    console.log('Skipping check because of the "changesets-ok" label')
+    return
+  }
+
+  if (await prHasChangeset()) {
+    // Empty space here and in subsequent console logs for formatting.
+    console.log(
+      [
+        '',
+        "Added a changeset",
+      ].join('\n')
+    )
+    return
+  }
+
+  const pr = getPr()
+  console.log(
+    [
+      '',
+      '📝 Consider adding a changeset',
+      '==============================',
+      '',
+      'If this is a user-facing PR (a feature or a fix), it should probably have a changeset.',
+      `Run \`yarn changesets ${pr.number}\` to create a changeset for this PR.`,
+      "If it doesn't need one (it's a chore), you can add the 'changesets-ok' label.",
+    ].join('\n')
+  )
+
+  process.exitCode = 1
+}
+
+await checkChangesets()

.github/scripts/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "redwood-ci-scripts",
+  "private": true,
+  "dependencies": {
+    "@actions/github": "6.0.0",
+    "zx": "7.2.3"
+  },
+  "packageManager": "yarn@4.1.1",
+  "devDependencies": {
+    "tsx": "^4.7.1"
+  }
+}

.github/scripts/pr.mts

@@ -0,0 +1,31 @@
+import { context as ghContext } from '@actions/github'
+import { $ } from 'zx'
+import { getLines } from './zxHelpers.mjs'
+
+type Label = {
+  name: string
+}
+
+function getPrLabels(): Label[] {
+  return []
+}
+
+export function prHasLabel(label) {
+  const labels = getPrLabels()
+  return labels.some((l) => l.name === label)
+}
+
+async function getPrChangedFiles() {
+  await $`git fetch origin main`.quiet()
+  const changedFiles = getLines(await $`git diff origin/main --name-only`.quiet())
+  return changedFiles
+}
+
+export async function prHasChangeset() {
+  const changedFiles = await getPrChangedFiles()
+  return changedFiles.some((file) => file.startsWith('.changesets/'))
+}
+
+export function getPr() {
+  return ghContext.payload.pull_request
+}