fix action

action.yml

@@ -13,39 +13,22 @@ inputs:
     description: 'Where to get the SDKs from (git URL)'
     required: false
     default: 'https://github.com/theos/sdks'
-  use-cache:
-    description: 'Whether to cache the SDKs or not (true/false)'
-    required: false
-    default: true
 runs:
   using: "composite"
   steps:
     - name: prepare environment
+      shell: bash
       run: |
         brew install ldid make
         echo "THEOS=$GITHUB_WORKSPACE/${{ inputs.theos-dir }}" >> $GITHUB_ENV
         echo "PATH=$PATH:/usr/local/opt/make/libexec/gnubin" >> $GITHUB_ENV
 
-    - name: verify updated cache
-      id: verify-cache
-      if: inputs.use-cache = 'true'
-      run: |
-        echo "::set-output name=theos-heads::`git ls-remote ${{ inputs.theos-src }} | head -n 1 | cut -f 1`-`git ls-remote ${{ inputs.theos-sdks }} | head -n 1 | cut -f 1`"
-
-    - name: use cache
-      id: cache
-      if: inputs.use-cache = 'true'
-      uses: actions/cache@v2
-      with:
-        path: ${{ github.workspace }}/${{ inputs.theos-dir }}
-        key: ${{ runner.os }}-${{ steps.verify-cache.outputs.theos-heads }}
-
     - name: get theos
-      if: steps.cache.outputs.cache-hit != 'true'
+      shell: bash
       run: |
         git clone ${{ inputs.theos-src }} ${{ github.workspace }}/${{ inputs.theos-dir }} --recursive
 
     - name: get sdks
-      if: steps.cache.outputs.cache-hit != 'true'
+      shell: bash
       run: |
         git clone ${{ inputs.theos-sdks }} ${{ github.workspace }}/${{ inputs.theos-dir }}/sdks --depth=1