Merge pull request #3800 from joshuataylor/disable-github-actions-caching

disable github actions caching for gradle, for now

Author: joshuataylor

.github/actions/setup-env/action.yml

@@ -15,10 +15,6 @@ inputs:
     description: 'IntelliJ IDEA version to test against. Keep in sync with the matrix in shared-test.yml'
     required: false
     default: '253.30387.90'  # 2025.3.2 - should match first version in shared-test.yml
-  gradle-cache-read-only:
-    description: 'If true, Gradle and Elixir caches are read-only (no writes). Set to false on main branch to seed caches for PRs.'
-    required: false
-    default: 'true'
   github-token:
     description: 'GitHub token for API access (required for setup-java to download JBR)'
     required: true
@@ -93,7 +89,7 @@ runs:
       id: setup-gradle
       uses: gradle/actions/setup-gradle@v5
       with:
-        cache-read-only: ${{ inputs.gradle-cache-read-only }}
+        cache-disabled: true
         add-job-summary-as-pr-comment: 'on-failure'
         build-scan-publish: ${{ inputs.build-scan-publish }}
         build-scan-terms-of-use-url: 'https://gradle.com/terms-of-service'
@@ -130,7 +126,7 @@ runs:
 
     - name: Save Elixir cache
       id: cache-elixir-save
-      if: always() && inputs.gradle-cache-read-only != 'true' && steps.cache-elixir-restore.outputs.cache-hit != 'true' && inputs.setup-elixir == 'true'
+      if: always() && steps.cache-elixir-restore.outputs.cache-hit != 'true' && inputs.setup-elixir == 'true'
       uses: actions/cache/save@v5
       with:
         path: |

.github/workflows/publish-canary.yml

@@ -16,7 +16,6 @@ jobs:
         uses: ./.github/actions/setup-env
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-          gradle-cache-read-only: 'false'
           setup-elixir: false
 
       - name: Download Release Asset

.github/workflows/release.yml

@@ -23,7 +23,6 @@ jobs:
         uses: ./.github/actions/setup-env
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-          gradle-cache-read-only: 'false'
           skip-searchable-options: 'false'
 
       - name: Build with Gradle

.github/workflows/shared-test.yml

@@ -58,7 +58,6 @@ jobs:
           elixir-version: ${{ inputs.elixir-version || '1.13.4' }}
           otp-version: ${{ inputs.otp-version || '24.3.4.6' }}
           idea-version: ${{ matrix.idea-version }}
-          gradle-cache-read-only: ${{ github.event_name == 'pull_request' }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Run Tests
@@ -113,7 +112,6 @@ jobs:
         uses: ./.github/actions/setup-env
         with:
           setup-elixir: false
-          gradle-cache-read-only: ${{ github.event_name == 'pull_request' }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
           idea-version: '2025.3.2'
 

.github/workflows/tag.yml

@@ -40,7 +40,6 @@ jobs:
         uses: ./.github/actions/setup-env
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-          gradle-cache-read-only: 'false'
           skip-searchable-options: 'false'
 
       - name: Build with Gradle