Add action.yml

action.yml

@@ -0,0 +1,36 @@
+name: Install esp-idf
+description: Installs or updates esp-idf dependencies (and caches them)
+inputs:
+  idfpath:
+    description: Path to esp-idf (should be a submodule of the firmware repository)
+    required: true
+    default: esp-idf
+outputs: {}
+runs:
+  using: composite
+  steps:
+    - name: Get esp-idf release name
+      id: get-esp-idf-release
+      uses: 0xFEEDC0DE64/get_latest_tag@main
+      with:
+        repo: ${{ inputs.idfpath }}
+
+    - name: Cache .espressif
+      id: cache-espressif
+      uses: actions/cache@v2
+      with:
+        path: ~/.espressif
+        key: ${{ runner.os }}-${{ steps.get-esp-idf-release.outputs.tag_name }}
+
+    - name: Install .espressif dependencies
+      # GitHub doesnt support if
+      #if: steps.cache-espressif.outputs.cache-hit != 'true'
+      #run: $(realpath -s "${{ inputs.idfpath }}")/install.sh
+      run: |
+        if echo ${{ steps.cache-espressif.outputs.cache-hit }} | grep -c "true"
+        then
+          echo "Cache hit - skipping esp-idf install"
+        else
+          $(realpath -s "${{ inputs.idfpath }}")/install.sh
+        fi
+      shell: bash