Store only country name in cache for OpenStreetMap buffers (to avoid …

…slash)

.github/actions/openstreetmap-buffers/action.yml

@@ -8,9 +8,15 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - name: Extract continent/country from input
+      id: extract-country
+      run: |
+        echo "continent=$(echo ${{ inputs.country }} | cut -d'/' -f1)" >> $GITHUB_OUTPUT
+        echo "country=$(echo ${{ inputs.country }} | cut -d'/' -f2)" >> $GITHUB_OUTPUT
+      shell: bash
     - name: Get current date
-      id: date
-      run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+      id: get-date
+      run: echo "date=$(date '+%Y%m%d')" >> $GITHUB_OUTPUT
       shell: bash
     - name: Cache result
       id: cache-buffers
@@ -19,7 +25,7 @@ runs:
         path: |
           openstreetmap-lines-buffers.geojson
           openstreetmap-polygons-buffers.geojson
-        key: openstreetmap-buffers-${{ inputs.country }}-${{ steps.date.outputs.date }}
+        key: openstreetmap-buffers-${{ steps.extract-country.outputs.country }}-${{ steps.get-date.outputs.date }}
     - name: Download OpenStreetMap extract
       if: ${{ steps.cache-buffers.outputs.cache-hit != 'true' }}
       run: wget -O openstreetmap-latest.osm.pbf https://download.geofabrik.de/${{ inputs.country }}-latest.osm.pbf