Restore CWD after build

Author: sebbASF

pelican/action.yml

@@ -54,16 +54,17 @@ runs:
       shell: bash
       run: |
         {
-          # Don't pollute site checkout
-          cd ..
           # disable stdout unless debug is on
           if [ "${{ inputs.debug }}" == 'true' ]
           then
             DEBUG_STEPS=1; export DEBUG_STEPS
           else
             exec >/dev/null
           fi
-          bash ${{ github.action_path }}/build-cmark.sh
+          # Don't pollute site checkout
+          pushd .. # .. must agree with LIBCMARKDIR
+            bash ${{ github.action_path }}/build-cmark.sh
+          popd
         }
 
     - name: Generate website from markdown