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ci: build core SDK once and share Maven Local across kit matrix #747

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ci: build core SDK once and share Maven Local across kit matrix
jamesnrokt Jul 30, 2026
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ci: pin artifact actions to commit SHAs
jamesnrokt Jul 30, 2026
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56 changes: 51 additions & 5 deletions .github/workflows/build-kits.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,47 @@ jobs:
- id: set
run: echo "matrix=$(jq -c . kits/matrix.json)" >> "$GITHUB_OUTPUT"

# Builds the core SDK once and shares the resulting Maven Local repository with
# every build-kits matrix job, instead of each of them rebuilding it.
publish-core:
name: Publish core SDK to Maven Local
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

- name: Set SDK version
run: |
echo "ORG_GRADLE_PROJECT_VERSION=$(head -n 1 VERSION)" >> "$GITHUB_ENV"
echo "ORG_GRADLE_PROJECT_version=$(head -n 1 VERSION)" >> "$GITHUB_ENV"

- name: Install JDK 17
uses: actions/setup-java@ad2b38190b15e4d6bdf0c97fb4fca8412226d287 # v5
with:
distribution: zulu
java-version: "17"

# Writable, unlike build-kits below: one job, so one cache entry per run.
- name: Setup Gradle
uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # v5.0.2

- name: Publish core SDK to Maven Local
run: ./gradlew publishMavenPublicationToMavenLocal

- name: Archive Maven Local repository
run: tar -czf maven-local.tar.gz -C "$HOME/.m2" repository

- name: Upload Maven Local repository
uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: maven-local-core
path: maven-local.tar.gz
retention-days: 1
compression-level: 0

build-kits:
name: Build ${{ matrix.kit.name }}
needs: load-matrix
needs: [load-matrix, publish-core]
runs-on: ubuntu-latest
strategy:
fail-fast: false
Expand All @@ -35,8 +73,8 @@ jobs:

- name: Set SDK version
run: |
echo "ORG_GRADLE_PROJECT_VERSION=$(head -n 1 VERSION)" >> $GITHUB_ENV
echo "ORG_GRADLE_PROJECT_version=$(head -n 1 VERSION)" >> $GITHUB_ENV
echo "ORG_GRADLE_PROJECT_VERSION=$(head -n 1 VERSION)" >> "$GITHUB_ENV"
echo "ORG_GRADLE_PROJECT_version=$(head -n 1 VERSION)" >> "$GITHUB_ENV"

- name: Install JDK 17
uses: actions/setup-java@ad2b38190b15e4d6bdf0c97fb4fca8412226d287 # v5
Expand All @@ -49,8 +87,16 @@ jobs:
with:
cache-read-only: true

- name: Publish core SDK to Maven Local
run: ./gradlew publishMavenPublicationToMavenLocal
- name: Download Maven Local repository
uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
with:
name: maven-local-core

- name: Restore core SDK into Maven Local
run: |
mkdir -p "$HOME/.m2"
tar -xzf maven-local.tar.gz -C "$HOME/.m2"
rm maven-local.tar.gz

- name: Run kit unit tests
if: ${{ matrix.kit.skip_unit_tests != true }}
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