Hi @Simran-B thanks for the reply, it’s much appreciated!

Indeed your proposal create properly the expected key:

Screen Shot 2021-03-31 at 9.09.45 PM1934×598 103 KB

However, I have no clue why but the cache is never hits even if the tests are green and the key generated have exactly same value.

Anyway, the encouraged way to cache:

jobs:
  test:
    env:
      BUNDLE_GEMFILE: "${{ github.workspace }}/gemfiles/rails_${{ matrix.rails-version }}.gemfile"
    steps:
    - name: Set up Ruby ${{ matrix.ruby-version }}
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: ${{ matrix.ruby-version }}
        bundler-cache: true

Generate a correct unique key and works!

Cache key: setup-ruby-bundler-cache-v3-ubuntu-20.04-ruby-3.0.0-/home/runner/work/swl/swl/gemfiles/rails_6.1.3.1.gemfile.lock-211b34df2618f8c21c0e5de2f6f46650fe73e6cba559b547f6fb289d6ed2cb4b

Cache key: setup-ruby-bundler-cache-v3-ubuntu-20.04-ruby-debug-revision-2a02b61fae2c5dcfaf123f43c08c7c7949c1790c-/home/runner/work/swl/swl/gemfiles/rails_main.gemfile.lock-4d904ceb814ad73ded167c4cd1d4035caadc4f9814ca9056d85a1daf598bc7a1

the cache is never hits even if the tests are green and the key generated have exactly same value.

If it’s the exact same value, then none of the hashed files can have changed… Very peculiar. I wonder why it doesn’t work with the cache action. But good that you found an alternative solution!

Yes indeed, it might have an edge case over there but I have not time to investigate further. you can have look though:

Here I added back the Manual Cache Setup

Build software better, together

swl/runs/2269910877

GitHub is where people build software. More than 56 million people use GitHub to discover, fork, and contribute to over 100 million projects.

I did a nonsignificant change, pushed again:

Build software better, together

swl/runs/2269940124

GitHub is where people build software. More than 56 million people use GitHub to discover, fork, and contribute to over 100 million projects.

Same Key in both, but the key still not found.

Linux-3.0.0-6.1.3.1-test-7c88e8a6370e87e67677b3d3c8f7ae315acdc4f241f95167a042013df4231f17

Thanks anyway.

Shouldn’t it be gemfiles/vendor/bundle instead of vendor/bundle for the cache action path?