Add workflow to update pixi version, move check-dist to build.yml (#46)

.github/workflows/build.yml

@@ -6,6 +6,8 @@ on:
   pull_request:
     branches: [main]
   merge_group:
+  schedule:
+    - cron: 0 6 * * MON
 
 jobs:
   build:
@@ -29,7 +31,7 @@ jobs:
 
       - name: Rebuild the dist/ directory
         run: pnpm build
-      
+
       - name: Lint
         run: pnpm lint
 
@@ -41,10 +43,81 @@ jobs:
 
       - name: Assert latest setup-pixi version is mentioned in README
         run: |
+          set -euo pipefail
           latest_version="$(jq -r '.version' package.json)"
           count_expected=10
           count_actual="$(grep -c "setup-pixi@v$latest_version" README.md || true)"
           if [ "$count_actual" -ne "$count_expected" ]; then
-            echo "::error file=README.md::Expected $count_expected mentions of setup-pixi@v$latest_version in README.md, but found $count_actual."
+            echo "::error file=README.md::Expected $count_expected mentions of \`setup-pixi@v$latest_version\` in README.md, but found $count_actual."
+            exit 1
+          fi
+
+  reference-latest-pixi-version-in-readme:
+    name: Reference latest Pixi version in README
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Assert latest pixi version is mentioned in README
+        run: |
+          set -euo pipefail
+          latest_version="$(gh repo view --json latestRelease prefix-dev/pixi | jq -r '.latestRelease.tagName')"
+          count_expected=1
+          count_actual="$(grep -c "pixi-version: $latest_version" README.md || true)"
+          if [ "$count_actual" -ne "$count_expected" ]; then
+            echo "::error file=README.md::Expected $count_expected mentions of \`pixi-version: $latest_version\` in README.md, but found $count_actual."
+            sed -i "s/pixi-version: .*/pixi-version: $latest_version/" README.md
             exit 1
           fi
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create pull request
+        uses: peter-evans/create-pull-request@153407881ec5c347639a548ade7d8ad1d6740e38
+        if: failure() && github.ref_name == 'main'
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: Reference latest Pixi version in README
+          title: Reference latest Pixi version in README
+          labels: documentation
+
+  check-dist:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Rebuild the dist/ directory
+        run: pnpm build
+
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/* | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build.  See status below:"
+            git diff
+            exit 1
+          fi
+        id: diff
+
+      # If index.js or post.js are different than expected, upload the expected version as an artifact
+      - uses: actions/upload-artifact@v3
+        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+        with:
+          name: dist
+          path: dist/