Update to sync with Python 1st ed

.github/workflows/build_book.yml

@@ -12,6 +12,7 @@ on:
       - 'source/*.css'
       - 'data/**'
       - 'img/**'
+      - 'build_html.sh'
 
 jobs:
   deploy-book:
@@ -36,6 +37,6 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: docs/
-          force_orphan: true
+          force_orphan: true # this will clean up all previous PR previews / main branch preview
           cname: datasciencebook.ca
 

.github/workflows/deploy_main_preview.yml

@@ -0,0 +1,45 @@
+name: Rebuild and deploy dev version of book to gh-pages branch in dev/ folder
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'index.Rmd'
+      - '_bookdown.yml'
+      - '_output.yml'
+      - 'source/*.Rmd'
+      - 'source/*.bib'
+      - 'source/*.css'
+      - 'data/**'
+      - 'img/**'
+      - 'build_html.sh'
+
+jobs:
+  deploy-main-preview:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+          ref: 'main'
+
+      - name: Build the book
+        run: |
+          ./build_html.sh
+
+       # Push the book's HTML to github-pages
+      - name: GitHub Pages action
+        uses: peaceiris/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: docs/
+          keep_files: true
+          destination_dir: dev
+          # force_orphan: true # once peaceiris updates to v4, change this to true and keep_files: true for the PR / main branch deploy previews
+
+
+

.github/workflows/deploy_pr_preview.yml

@@ -0,0 +1,62 @@
+name: "Rebuild and deploy PR version of book to gh-pages branch in pull###/ folder"
+on:
+  pull_request:
+    types: [opened, synchronize]
+    paths:
+      - 'index.Rmd'
+      - '_bookdown.yml'
+      - '_output.yml'
+      - 'source/*.Rmd'
+      - 'source/*.bib'
+      - 'source/*.css'
+      - 'data/**'
+      - 'img/**'
+      - 'Dockerfile'
+    branches:
+      - 'main'
+
+jobs:
+  deploy-pr-preview:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+      pull-requests: write
+
+    steps:
+      - name: Wait for potential build environment update
+        uses: fountainhead/[email protected]
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          checkName: "Rebuild docker image"
+          ref: ${{ github.event.pull_request.head.sha }}
+          timeoutSeconds: 60000
+
+      - name: Checkout the repo
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+          ref: ${{ github.head_ref }}
+
+      - name: Build the book
+        run: |
+          ./build_html.sh
+
+       # Push the book's HTML to github-pages
+      - name: GitHub Pages action
+        uses: peaceiris/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: docs/
+          keep_files: true
+          destination_dir: pull${{ github.event.number }}
+          # force_orphan: true # once peaceiris updates to v4, change this to true and keep_files: true for the PR / main branch deploy previews
+
+      - name: Post URLS to PR thread
+        uses: mshick/[email protected]
+        with:
+          message: |
+              Hello! I've built a preview of your PR so that you can compare it to the current `main` branch.
+              * PR deploy preview available [here](https://datasciencebook.ca/pull${{ github.event.number }}/index.html)
+              * Current `main` deploy preview available [here](https://datasciencebook.ca/dev/index.html)
+              * Public production build available [here](https://datasciencebook.ca)

.github/workflows/update_build_environment.yml

@@ -1,22 +1,44 @@
 name: Rebuild and publish new ubcdsci/intro-to-ds image on DockerHub
 on:
-  push:
-    branches:
-      - main
-    paths:
-      - Dockerfile
+  pull_request:
+    types: [opened, synchronize]
 jobs:
   rebuild-docker:
+    name: Rebuild docker image
     runs-on: ubuntu-latest
     permissions:
       contents: write
     steps:
-    - name: Checkout main
+    - name: Checkout PR branch
       uses: actions/checkout@v3
       with:
         fetch-depth: '0'
-        ref: 'main'
+        ref: ${{ github.head_ref }}
+    - name: Check if Dockerfile needs to be rebuilt
+      id: check-stale
+      run: |
+        echo "Checking if Dockerfile was modified since last commit on this PR"
+        echo "GitHub PR action type: ${{ github.event.action }}"
+        if [ "${{ github.event.action }}" == "opened" ]; then
+            echo "GitHub base ref: ${{ github.event.pull_request.base.sha }}"
+            echo "GitHub head ref: ${{ github.event.pull_request.head.sha }}"
+            BEFORE=${{ github.event.pull_request.base.sha }}
+            AFTER=${{ github.event.pull_request.head.sha }}
+        else
+            echo "GitHub event before: ${{ github.event.before }}"
+            echo "GitHub event after: ${{ github.event.after }}"
+            BEFORE=${{ github.event.before }}
+            AFTER=${{ github.event.after }}
+        fi
+        if git diff --quiet $BEFORE $AFTER Dockerfile; then
+            echo "PR synchronized, but Dockerfile was not edited. Not rebuilding the image."
+            echo "stale_dockerfile=false" >> "$GITHUB_OUTPUT"
+        else
+            echo "PR synchronized, and Dockerfile was edited, so rebuilding the image."
+            echo "stale_dockerfile=true" >> "$GITHUB_OUTPUT"
+        fi
     - name: Rebuild and publish image
+      if: ${{ steps.check-stale.outputs.stale_dockerfile == 'true' }}
       id: rebuild
       uses: elgohr/Publish-Docker-Github-Action@v5
       with:
@@ -26,33 +48,37 @@ jobs:
         dockerfile: Dockerfile
         snapshot: true
     - name: Update build_html.sh script
+      if: ${{ steps.check-stale.outputs.stale_dockerfile == 'true' }}
       run: |
         git config --local user.email "[email protected]"
         git config --local user.name "GitHub Action"
-        git pull origin main
+        git pull origin ${{ github.head_ref }}
         sed 's/ubcdsci\/intro-to-ds:[[:alnum:]]\+/ubcdsci\/intro-to-ds:${{ steps.rebuild.outputs.snapshot-tag }}/g' build_html.sh > build_html.tmp && mv build_html.tmp build_html.sh
         chmod u+x build_html.sh
         git add build_html.sh
         git commit -m "update build_html.sh script with new docker image"
     - name: Update build_pdf.sh script
+      if: ${{ steps.check-stale.outputs.stale_dockerfile == 'true' }}
       run: |
         git config --local user.email "[email protected]"
         git config --local user.name "GitHub Action"
-        git pull origin main
+        git pull origin ${{ github.head_ref }}
         sed 's/ubcdsci\/intro-to-ds:[[:alnum:]]\+/ubcdsci\/intro-to-ds:${{ steps.rebuild.outputs.snapshot-tag }}/g' build_pdf.sh > build_pdf.tmp && mv build_pdf.tmp build_pdf.sh
         chmod u+x build_pdf.sh
         git add build_pdf.sh
         git commit -m "update build_pdf.sh script with new docker image"
     - name: Update docker-compose.yml script
+      if: ${{ steps.check-stale.outputs.stale_dockerfile == 'true' }}
       run: |
         git config --local user.email "[email protected]"
         git config --local user.name "GitHub Action"
-        git pull origin main
+        git pull origin ${{ github.head_ref }}
         sed 's/ubcdsci\/intro-to-ds:[[:alnum:]]\+/ubcdsci\/intro-to-ds:${{ steps.rebuild.outputs.snapshot-tag }}/g' docker-compose.yml > docker-compose.tmp && mv docker-compose.tmp docker-compose.yml
         git add docker-compose.yml
         git commit -m "update docker-compose.yml script with new docker image"
     - name: Push changes to build scripts
+      if: ${{ steps.check-stale.outputs.stale_dockerfile == 'true' }}
       uses: ad-m/github-push-action@master
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        branch: 'main'
+        branch: ${{ github.head_ref }}