Redirects github action

.github/workflows/add-redirects.yml

@@ -0,0 +1,62 @@
+name: add-redirects
+on:
+  pull_request_target:
+jobs:
+  get-redirects-renamed:
+    name: Get Renamed Files
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      contents: write
+      pull-requests: write
+      repository-projects: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Get renamed files
+        id: changed-files
+        # pin to a specific commit to ensure stability
+        uses: tj-actions/changed-files@c65cd883420fd2eb864698a825fc4162dd94482c
+        with:
+          include_all_old_new_renamed_files: true
+          files: |
+            source/**
+            **.txt
+      - name: Parse renamed files
+        id: renamed-files
+        if: steps.changed-files.outputs.renamed_files_count > 0
+        env:
+          RENAMED_FILES: ${{ steps.changed-files.outputs.all_old_new_renamed_files }}
+        run: |
+          renamed_redirects=""
+          for file in $RENAMED_FILES; do
+            old=$(echo "$file" | cut -d',' -f1)
+            old="${old#source}"
+            old="${old%.txt}"
+            new=$(echo "$file" | cut -d',' -f2)
+            new="${new#source}"
+            new="${new%.txt}"
+            renamed_redirects+="- [\\*-master]: \$\{prefix\}/\$\{version\}$old/ -> \$\{base\}/\$\{version\}$new/<br/>"
+          done
+          if [ "$renamed_redirects" == "" ]; then
+            renamed_redirects="No redirects to add"
+          fi
+          echo "redirects=${renamed_redirects}" >> "$GITHUB_OUTPUT"
+      - name: Parse deleted files
+        id: deleted-files
+        if: steps.changed-files.outputs.deleted_files_count > 0
+        env:
+          DELETED_FILES: ${{ steps.changed-files.outputs.deleted_files }}
+        run: |
+          deleted_redirects=""
+          for file in $DELETED_FILES; do
+            old=$(echo "$file" | cut -d',' -f1)
+            old="${old#source}"
+            old="${old%.txt}/"
+            deleted_redirects+="[\*-master]: \$\{prefix\}/\$\{version\}$old -> \$\{base\}/\$\{version\}\\n"
+          done
+          echo "${deleted_redirects}"
+      - name: Update the PR Description
+        uses: MongoCaleb/pr-description-action@master
+        with:
+          content: "\n- [ ] Did you add redirects for renamed files?\n${{ steps.renamed-files.outputs.redirects }}\n- [ ] Did you add redirects for deleted files?"
+          token: ${{ secrets.GITHUB_TOKEN }}