Add stuff

.github/workflows/audit.yml

@@ -7,13 +7,59 @@ jobs:
   lighthouse:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkount
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          hugo-version: latest
+          extended: true
+
+      - name: Show some variables
+        run: |
+          echo ${{ github.event.pull_request.base.ref }}
+          echo ${{ github.event.pull_request.base.sha }}
+          echo ${{ github.event.base_ref }}
+          echo ${{ github.event.before }}
+          exit 1 # i don't want to continue for now
+
+      - name: Checkout
         uses: actions/checkout@v2
         with:
           submodules: recursive
           fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}}
-          repository: ${{github.event.pull_request.head.repo.full_name}}
+
+      - name: Checkout previous commit
+        run: git checkout HEAD^
+
+      - name: Build previous commit
+        run: |
+          hugo --printI18nWarnings --printPathWarnings --baseURL https://localhost
+          mv public/ old/
+
+      - name: Checkout current commit
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+          fetch-depth: 0
+          ref: ${{ github.ref }}
+
+      - name: Build current commit
+        run: |
+          hugo --printI18nWarnings --printPathWarnings --baseURL https://localhost
+          cp public/ new/
+          # copy so that public/ stays, it will be needed for Caddy to serve
+
+      - name: Find changed URLs
+        id: changed_urls
+        env:
+          SCHEME: https
+          DOMAIN: localhost
+        run: |
+          echo "::set-output name=urls::$(./changed-urls.sh)"
+
+      # https://dev.to/scienta/get-changed-files-in-github-actions-1p36
+
+      - name: Echo changed URLs
+        run: echo ${{ steps.changed_urls.outputs.urls }}
 
       - name: Install Caddy
         run: |
@@ -23,15 +69,6 @@ jobs:
           sudo apt install caddy
           sudo systemctl disable --now caddy
 
-      - name: Setup Hugo
-        uses: peaceiris/actions-hugo@v2
-        with:
-          hugo-version: latest
-          extended: true
-
-      - name: Build
-        run: hugo --printI18nWarnings --printPathWarnings --baseURL https://localhost
-
       - name: Compress
         run: time ./compress.sh
 

changed-urls.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+#diff -qr old/ new/ |
+#    grep -v '^Only in old' |
+#    sed 's/^Only in new\/: /new\//'
+#    #grep -oP '(?<=Files )old.*(?= and new.* differ)' |
+#    #grep 'index.html$' |
+#    #sed 's/index.html$//' |
+#    #sed "s/^old/${SCHEME:=http}:\/\/${DOMAIN:=example.com}/"
+
+# https://github.com/koalaman/shellcheck/wiki/SC2044
+#while IFS= read -r -d '' f; do
+#    echo "$f"
+#done < <(find new/ -name '*.html' -print0)
+
+#diff -qr old/ new/ |
+#    grep -v '^Only in old' |
+#    sed '/^Only in new/ s/^Only in new\/: /new\//'
+
+diff -qrN old/ new/ |
+    grep -oP '(?<=\s)new\/\S*' |
+    xargs -d '\n' ls -1d 2>/dev/null |
+    grep 'index.html$' |
+    sed 's/index.html$//' |
+    sed "s/^new/${SCHEME:=http}:\/\/${DOMAIN:=example.com}/"