[TOOLS] Use @v2 checkout

.github/workflows/update-filters.yml

@@ -13,18 +13,27 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      # -------------------------------
+      # Checkout main branch
+      # -------------------------------
       - name: Checkout main branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v2
         with:
           repository: 'uazo/cromite'
           ref: main
-          fetch-depth: 1
           path: main
+          fetch-depth: 1
 
+      # -------------------------------
+      # Prepare output directory
+      # -------------------------------
       - name: Prepare output directory
         run: mkdir -p main/out/filters
 
-      - name: Download filter lists (fail-safe)
+      # -------------------------------
+      # Download filter lists (fail-safe)
+      # -------------------------------
+      - name: Download filter lists
         run: |
           set -e
           KO=0
@@ -32,11 +41,8 @@ jobs:
           while IFS= read -r line; do
             [ -z "$line" ] && continue
 
-            url="${line%%=*}"
-            file="${line#*=}"
-
-            url=$(echo "$url" | xargs)
-            file=$(echo "$file" | xargs)
+            url=$(echo "$line" | cut -d '=' -f1 | xargs)
+            file=$(echo "$line" | cut -d '=' -f2 | xargs)
 
             if [ -z "$file" ]; then
               file=$(basename "$url")
@@ -55,15 +61,20 @@ jobs:
             exit 1
           fi
 
-      - name: Checkout gh-pages branch
-        if: success()
-        uses: actions/checkout@v4
+      # -------------------------------
+      # Checkout pages branch
+      # -------------------------------
+      - name: Checkout pages branch
+        uses: actions/checkout@v2
         with:
           repository: 'uazo/cromite'
           ref: pages
-          fetch-depth: 1
           path: pages
+          fetch-depth: 1
 
+      # -------------------------------
+      # Deploy filters (only .txt)
+      # -------------------------------
       - name: Deploy to pages
         run: |
           cd pages
@@ -76,7 +87,7 @@ jobs:
           git config user.name "github-actions"
           git config user.email "github-actions@github.com"
 
-          # add ONLY txt files
+          # add ONLY .txt files
           find filters -type f -name "*.txt" -exec git add {} +
 
           if git diff --cached --quiet; then