Update ci.yml

.github/workflows/ci.yml

@@ -285,6 +285,7 @@ jobs:
       if: runner.os != 'windows'
       run: |
         echo "BUILD_TYPE=Release" >> $GITHUB_ENV
+        echo "CACHE=OFF" >> $GITHUB_ENV
         os="${{ matrix.os }}"
         if [[ "${os}" == "macos"* ]]; then
           echo "ncpus=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV
@@ -296,6 +297,7 @@ jobs:
       if: runner.os == 'windows'
       run: |
         echo "BUILD_TYPE=Release" >> $env:GITHUB_ENV
+        echo "CACHE=OFF" >> $env:GITHUB_ENV
         echo "ncpus=%NUMBER_OF_PROCESSORS%" 
         echo "ncpus=%NUMBER_OF_PROCESSORS%" >> $GITHUB_ENV
 
@@ -403,11 +405,14 @@ jobs:
       if: ${{ runner.os != 'windows' && steps.cache.outputs.cache-hit == 'true' }}
       run: |
         mv ./llvm-project/ ../
+        echo "CACHE=ON" >> $GITHUB_ENV
+        
 
     - name: Move llvm-project to top level directory
       if: ${{ runner.os == 'windows' && steps.cache.outputs.cache-hit == 'true' }}
       run: |
         mv .\llvm-project\ ..\
+        echo "CACHE=ON" >> $env:GITHUB_ENV
 
     - name: Build LLVM/Cling on Unix systems if the cache is invalid
       if: ${{ runner.os != 'windows' && steps.cache.outputs.cache-hit != 'true' }}
@@ -566,8 +571,7 @@ jobs:
         if [[ "${cling_on}" == "ON" ]]; then
 
           #FIXME: Currently Cling directory not found if using cache, so cloning again, until reason why is found.
-          test -d ./cling
-          if [[ $? == 1 ]]; then
+          if [[ $CACHE == "ON" ]]; then
             echo "Cling folder not found. Cloning again."
             git clone https://github.com/root-project/cling.git
             cd ./cling/