Keycloak

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name: Maven Cache
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description: Caches Maven artifacts
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inputs:
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  create-cache-if-it-doesnt-exist:
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    description: > 
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      Only those callers which fill the cache with the right contents should set this to true to avoid creating a cache
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      which contains too few or too many entries.
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    required: false
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    default: false
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runs:
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  using: composite
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  steps:
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    - id: weekly-cache-key
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      name: Key for weekly rotation of cache
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      shell: bash
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      run: echo "key=mvn-`date -u "+%Y-%U"`" >> $GITHUB_OUTPUT
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    - id: cache-maven-repository
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      name: Maven cache
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      uses: actions/cache@v3
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      if: inputs.create-cache-if-it-doesnt-exist == 'true'
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      with:
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        # Two asterisks are needed to make the follow-up exclusion work
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        # see https://github.com/actions/toolkit/issues/713 for the upstream issue
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        path: |
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          ~/.m2/repository/*/*
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          !~/.m2/repository/org/keycloak
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        key: ${{ steps.weekly-cache-key.outputs.key }}
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    - id: restore-maven-repository
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      name: Maven cache
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      uses: actions/cache/restore@v3
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      if: inputs.create-cache-if-it-doesnt-exist == 'false'
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      with:
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        # Two asterisks are needed to make the follow-up exclusion work
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        # see https://github.com/actions/toolkit/issues/713 for the upstream issue
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        path: |
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          ~/.m2/repository/*/*
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          !~/.m2/repository/org/keycloak
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        key: ${{ steps.weekly-cache-key.outputs.key }}
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    - name: Cache Maven Wrapper
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      uses: actions/cache@v3
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      with:
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        path: .mvn/wrapper/maven-wrapper.jar
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        key: ${{ runner.os }}-maven-wrapper-${{ hashFiles('**/maven-wrapper.properties') }}
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        # use a previously cached JAR file as something else besides the version could have changed in the file
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        restore-keys: |
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          ${{ runner.os }}-maven-wrapper-