Update Workflow

Author: andre-dietrich

.github/workflows/website.yml

@@ -1,33 +1,38 @@
 name: Deploy LiaScript-Web-Site to Pages
 
 on:
-  # Runs on pushes targeting the default branch
   push:
     branches:
       - master
-
-  # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions:
   contents: write
   pages: write
   id-token: write
 
-# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
-# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
 concurrency:
   group: "pages"
   cancel-in-progress: false
 
-# Default to bash
 defaults:
   run:
     shell: bash
 
 jobs:
-  # Build job
+  check_liascript_changes:
+    runs-on: ubuntu-latest
+    outputs:
+      should_build: ${{ steps.check.outputs.should_build }}
+    steps:
+      - name: Check LiaScript repository
+        id: check
+        run: |
+          LAST_COMMIT=$(curl -s https://api.github.com/repos/LiaScript/LiaScript/commits/development | jq -r '.sha')
+          echo "Last commit: $LAST_COMMIT"
+          echo "should_build=$([ "$LAST_COMMIT" != "$(cat .liascript_last_commit 2>/dev/null)" ] && echo 'true' || echo 'false')" >> $GITHUB_OUTPUT
+          echo $LAST_COMMIT > .liascript_last_commit
+
   hugo:
     runs-on: ubuntu-latest
     env:
@@ -68,8 +73,10 @@ jobs:
         with:
           name: public
           path: ./public
-  
+
   liascript:
+    needs: check_liascript_changes
+    if: needs.check_liascript_changes.outputs.should_build == 'true'
     runs-on: ubuntu-latest
     steps:
       - name: Set ELM_HOME
@@ -102,7 +109,15 @@ jobs:
           name: course
           path: ./LiaScript/dist
 
+      - name: Cache LiaScript artifact
+        uses: actions/cache@v2
+        with:
+          path: ./LiaScript/dist
+          key: ${{ runner.os }}-liascript-${{ github.sha }}
+
   liascript-nightly:
+    needs: check_liascript_changes
+    if: needs.check_liascript_changes.outputs.should_build == 'true'
     runs-on: ubuntu-latest
     steps:
       - name: Set ELM_HOME
@@ -136,14 +151,20 @@ jobs:
           name: nightly
           path: ./LiaScript/dist
 
-  # Deployment job
+      - name: Cache LiaScript-nightly artifact
+        uses: actions/cache@v2
+        with:
+          path: ./LiaScript/dist
+          key: ${{ runner.os }}-liascript-nightly-${{ github.sha }}
+
   deploy:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
     needs:
       - hugo
+      - check_liascript_changes
       - liascript
       - liascript-nightly
     steps:
@@ -191,6 +212,22 @@ jobs:
           tar -xvf public/nightly/artifact.tar -C public/nightly
           rm public/nightly/artifact.tar
 
+      - name: Download or use cached LiaScript artifact
+        uses: actions/cache@v2
+        with:
+          path: ./public/course
+          key: ${{ runner.os }}-liascript-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-liascript-
+
+      - name: Download or use cached LiaScript-nightly artifact
+        uses: actions/cache@v2
+        with:
+          path: ./public/nightly
+          key: ${{ runner.os }}-liascript-nightly-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-liascript-nightly-
+
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         with: