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Merged
ppkarwasz merged 1 commit into from
Jun 10, 2025
Merged

Improve reliability of reproducibility verification #406

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25 changes: 24 additions & 1 deletion .github/workflows/verify-reproducibility-reusable.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,30 @@ jobs:
with:
distribution: zulu
java-version: ${{ inputs.java-version }}
cache: maven

#
# Generates a cache key prefix to enable partial cache hits.
# If there's no exact match for the full cache key, any cache with this prefix can be used as a fallback.
# To avoid unbounded cache growth, the prefix includes the current month,
# ensuring a new cache is started each month.
#
- name: Compute Cache Key Prefix
shell: bash
run: |
date +"CACHE_KEY=verify-reproducibility-%Y-%m" >> $GITHUB_ENV

#
# Configures caching for the local Maven repository.
# Uses a custom cache key to isolate artifacts built in this workflow,
# preventing reproducibility results from being affected by cached outputs from other workflows.
#
- name: Set up Maven Cache
uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # 4.2.3
with:
path: ~/.m2/repository
key: "${{ env.CACHE_KEY }}-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}"
restore-keys: |
${{ env.CACHE_KEY }}-${{ runner.os }}-

# `clean verify artifact:compare` is required to generate the build reproducibility report.
# For details, see: https://maven.apache.org/guides/mini/guide-reproducible-builds.html#how-to-test-my-maven-build-reproducibility
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10 changes: 10 additions & 0 deletions src/changelog/.12.x.x/verify_reproducibility-cache.xml
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@@ -0,0 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<entry xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="https://logging.apache.org/xml/ns"
xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
type="fixed">
<issue id="388" link="https://github.com/apache/logging-parent/issues/388"/>
<description format="asciidoc">
Improve reliability of reproducibility verification.
</description>
</entry>
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