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ci: publish Maven artifacts and p2 update site #1311

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5bf9294
fix: do not delete .gitignore files during maven clean phase
joaodinissf Apr 21, 2026
6119f38
ci: publish Maven artifacts and p2 update site
joaodinissf Apr 21, 2026
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304 changes: 304 additions & 0 deletions .github/workflows/publish.yml
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name: publish

on:
workflow_dispatch: {}
push:
branches: [master]
tags: ['v*']

concurrency:
group: publish-ghpages-${{ github.repository }}
cancel-in-progress: false

permissions:
contents: write
packages: write
pull-requests: write

jobs:
publish:
runs-on: ubuntu-24.04
steps:
- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
with:
fetch-depth: 0

- name: Set up JDK 21
uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
with:
distribution: 'temurin'
java-version: '21'
server-id: github

- name: Log tool versions
run: |
java --version
mvn --version

- name: Set up workspace
run: echo "WORKSPACE=${{ github.workspace }}" >> $GITHUB_ENV

- name: Cache Maven dependencies
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
with:
path: ~/.m2/repository
key: ${{ runner.os }}-maven-publish-${{ hashFiles('**/pom.xml', '**/*.target') }}
restore-keys: |
${{ runner.os }}-maven-publish-
${{ runner.os }}-maven-0-

- name: Determine release version
id: version
if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v')
run: |
CURRENT=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout -f ./ddk-parent/pom.xml)
EXPECTED="${CURRENT%-SNAPSHOT}"

if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
VERSION="$EXPECTED"
else
VERSION="${GITHUB_REF_NAME#v}"
if [ "$VERSION" != "$EXPECTED" ]; then
echo "::error::Tag version $VERSION does not match pom version $EXPECTED (from $CURRENT)"
exit 1
fi
fi

echo "RELEASE_VERSION=$VERSION" >> "$GITHUB_ENV"
echo "release=true" >> "$GITHUB_OUTPUT"

- name: Prepare release
if: steps.version.outputs.release == 'true'
run: |
git config user.email "github-actions[bot]@users.noreply.github.com"
git config user.name "github-actions[bot]"
mvn -f ./ddk-parent/pom.xml \
org.eclipse.tycho:tycho-versions-plugin:set-version \
-DnewVersion="$RELEASE_VERSION" \
--batch-mode
git add -A
git commit -m "Release $RELEASE_VERSION"

if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
git tag "v$RELEASE_VERSION"
git push origin "v$RELEASE_VERSION"
fi

- name: Build and deploy
run: |
REPO_URL="https://maven.pkg.github.com/${{ github.repository }}"
xvfb-run mvn clean deploy \
-f ./ddk-parent/pom.xml \
-DreleaseRepoId=github \
-DreleaseRepoName="GitHub Packages" \
-DreleaseRepoUrl="$REPO_URL" \
-DsnapshotRepoId=github \
-DsnapshotRepoName="GitHub Packages" \
-DsnapshotRepoUrl="$REPO_URL" \
-Dp2ArtifactoryReleaseRepoId=github \
-Dp2ArtifactoryReleaseRepoName="GitHub Packages" \
-Dp2ArtifactoryReleaseRepoUrl="$REPO_URL" \
-Dp2ArtifactorySnapshotRepoId=github \
-Dp2ArtifactorySnapshotRepoName="GitHub Packages" \
-Dp2ArtifactorySnapshotRepoUrl="$REPO_URL" \
--batch-mode
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

- name: Upload p2 update site as artifact
uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
with:
name: p2-update-site-${{ github.sha }}
path: ddk-repository/target/repository/
retention-days: 30

- name: Check out gh-pages branch
id: checkout-gh-pages
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
with:
ref: gh-pages
path: gh-pages
fetch-depth: 1
continue-on-error: true

- name: Bootstrap gh-pages branch if missing
if: steps.checkout-gh-pages.outcome != 'success'
run: |
rm -rf gh-pages
mkdir gh-pages
cd gh-pages
git init -b gh-pages
git remote add origin "https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

- name: Publish p2 update site to gh-pages
run: |
cd gh-pages
git config user.email "github-actions[bot]@users.noreply.github.com"
git config user.name "github-actions[bot]"

if [ -n "$RELEASE_VERSION" ]; then
TARGET="p2/releases/$RELEASE_VERSION"
REF_DESC="release $RELEASE_VERSION"
else
TARGET="p2/snapshots/${GITHUB_SHA::8}"
REF_DESC="snapshot ${GITHUB_SHA::8}"
fi

rm -rf "$TARGET"
mkdir -p "$TARGET"
cp -r ../ddk-repository/target/repository/. "$TARGET/"

if [ -n "$RELEASE_VERSION" ]; then
HIGHEST=$(ls -1 p2/releases | grep -v latest | sort -Vr | head -1)
rm -rf p2/releases/latest
cp -r "p2/releases/$HIGHEST" p2/releases/latest
else
rm -rf p2/snapshots/latest
cp -r "p2/snapshots/${GITHUB_SHA::8}" p2/snapshots/latest
# Prune snapshots to last 20
if [ -d p2/snapshots ]; then
(cd p2/snapshots && ls -1t | grep -v latest | tail -n +21 | xargs -I{} rm -rf "{}")
fi
fi

# Generate index.html
{
echo '<!DOCTYPE html>'
echo '<html><body>'
echo '<h1>DSL DevKit p2 Repository</h1>'
echo '<h2>Snapshots</h2>'
echo '<ul>'
if [ -d p2/snapshots/latest ]; then
echo ' <li><a href="p2/snapshots/latest/">Latest Snapshot</a></li>'
fi
if [ -d p2/snapshots ]; then
for s in $(cd p2/snapshots && ls -1t | grep -v latest | head -20); do
echo " <li><a href=\"p2/snapshots/$s/\">$s</a></li>"
done
fi
echo '</ul>'
if [ -d p2/releases ] && [ -n "$(ls -A p2/releases 2>/dev/null)" ]; then
echo '<h2>Releases</h2>'
echo '<ul>'
if [ -d p2/releases/latest ]; then
echo ' <li><a href="p2/releases/latest/">Latest Release</a></li>'
fi
for v in $(ls -1 p2/releases | grep -v latest | sort -Vr); do
echo " <li><a href=\"p2/releases/$v/\">$v</a></li>"
done
echo '</ul>'
fi
echo '</body></html>'
} > index.html

git add -A
if git diff --cached --quiet; then
echo "No changes to publish"
exit 0
fi
git commit -m "Publish $REF_DESC"
for attempt in 1 2 3; do
if git push origin HEAD:gh-pages; then
exit 0
fi
echo "Push attempt $attempt failed; fetching and rebasing"
git fetch origin gh-pages
git rebase origin/gh-pages
done
echo "Failed to push gh-pages after 3 attempts"
exit 1
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

- name: Create release with p2 update site
if: steps.version.outputs.release == 'true'
run: |
cd ddk-repository/target
zip -r p2-update-site.zip repository/
gh release create "v$RELEASE_VERSION" \
p2-update-site.zip \
--generate-notes \
--title "Release $RELEASE_VERSION"
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

- name: Create version bump PR
if: steps.version.outputs.release == 'true'
run: |
git config user.email "github-actions[bot]@users.noreply.github.com"
git config user.name "github-actions[bot]"
rm -rf gh-pages

MAJOR=$(echo "$RELEASE_VERSION" | cut -d. -f1)
MINOR=$(echo "$RELEASE_VERSION" | cut -d. -f2)
PATCH=$(echo "$RELEASE_VERSION" | cut -d. -f3)

if [ "$PATCH" -gt 0 ]; then
NEXT="${MAJOR}.${MINOR}.$((PATCH + 1))-SNAPSHOT"
BASE_BRANCH="release/${MAJOR}.${MINOR}.x"
elif [ "$MINOR" -ge 4 ]; then
NEXT="$((MAJOR + 1)).0.0-SNAPSHOT"
BASE_BRANCH="master"
else
NEXT="${MAJOR}.$((MINOR + 1)).0-SNAPSHOT"
BASE_BRANCH="master"
fi

git fetch origin "$BASE_BRANCH"
git checkout -f "$BASE_BRANCH"
mvn -f ./ddk-parent/pom.xml \
org.eclipse.tycho:tycho-versions-plugin:set-version \
-DnewVersion="$NEXT" \
--batch-mode
BRANCH="chore/bump-$NEXT"
git checkout -b "$BRANCH"
git add -u
git commit -m "chore: bump to $NEXT"
git push origin "$BRANCH" --force
gh pr create \
--base "$BASE_BRANCH" \
--head "$BRANCH" \
--title "chore: bump to $NEXT" \
--body "Automated version bump after release $RELEASE_VERSION. Merge to start the next development cycle."
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

- name: Clean up old Maven snapshots
if: steps.version.outputs.release != 'true'
run: |
OWNER="${{ github.repository_owner }}"
KEEP=20
echo "Pruning all but last $KEEP versions per package"

ENTITY_TYPE=$(gh api "/users/$OWNER" -q '.type' 2>/dev/null || echo "User")
if [ "$ENTITY_TYPE" = "Organization" ]; then
API_PREFIX="/orgs/$OWNER"
else
API_PREFIX="/users/$OWNER"
fi

gh api "$API_PREFIX/packages?package_type=maven" --paginate -q '.[].name' | \
while read -r PKG; do
gh api "$API_PREFIX/packages/maven/$PKG/versions" --paginate \
-q 'sort_by(.created_at) | reverse | .[].id' | tail -n +$((KEEP + 1)) | \
while read -r VID; do
echo " Deleting $PKG version $VID"
gh api --method DELETE "$API_PREFIX/packages/maven/$PKG/versions/$VID" || true
done
done
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

# Release workflow:
# Snapshots: every push to master → build, deploy, p2/snapshots/<sha>/ (last 20 kept)
# Release: click "Run workflow" or push v* tag → build, deploy, p2/releases/<version>/
# Bump: automatic PR after each release (0-4 minor cycle, then major)
# Patches: push v* tag from release/X.Y.x branch → bump PR targets release branch
#
# p2 repository URLs (GitHub Pages):
# Latest snapshot: https://dsldevkit.github.io/dsl-devkit/p2/snapshots/latest/
# Pinned snapshot: https://dsldevkit.github.io/dsl-devkit/p2/snapshots/<sha>/
# Latest release: https://dsldevkit.github.io/dsl-devkit/p2/releases/latest/
# Pinned release: https://dsldevkit.github.io/dsl-devkit/p2/releases/{version}/
52 changes: 52 additions & 0 deletions ddk-parent/pom.xml
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Expand Up @@ -56,6 +56,13 @@
<pmd.version>7.23.0</pmd.version>
<tycho.version>5.0.2</tycho.version>
<xtend.version>2.42.0</xtend.version>

<!-- jgit qualifier: error in CI, warning for local dirty trees -->
<jgit.dirtyWorkingTree>error</jgit.dirtyWorkingTree>

<!-- Baseline version validation (skip until first release populates p2/releases/latest/) -->
<baseline.repo.url>https://dsldevkit.github.io/dsl-devkit/p2/releases/latest/</baseline.repo.url>
<baseline.skip>true</baseline.skip>
</properties>

<modules>
Expand Down Expand Up @@ -215,7 +222,17 @@
<groupId>org.eclipse.tycho</groupId>
<artifactId>tycho-packaging-plugin</artifactId>
<version>${tycho.version}</version>
<dependencies>
<dependency>
<groupId>org.eclipse.tycho</groupId>
<artifactId>tycho-buildtimestamp-jgit</artifactId>
<version>${tycho.version}</version>
</dependency>
</dependencies>
<configuration>
<timestampProvider>jgit</timestampProvider>
<jgit.ignore>pom.xml</jgit.ignore>
<jgit.dirtyWorkingTree>${jgit.dirtyWorkingTree}</jgit.dirtyWorkingTree>
<format>'v'yyyyMMdd-HHmm</format>
<archive>
<manifestEntries>
Expand All @@ -242,6 +259,26 @@
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.eclipse.tycho.extras</groupId>
<artifactId>tycho-p2-extras-plugin</artifactId>
<version>${tycho.version}</version>
<executions>
<execution>
<id>compare-version-with-baselines</id>
<phase>verify</phase>
<goals>
<goal>compare-version-with-baselines</goal>
</goals>
<configuration>
<baselines>
<url>${baseline.repo.url}</url>
</baselines>
<skip>${baseline.skip}</skip>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.eclipse.tycho</groupId>
<artifactId>tycho-surefire-plugin</artifactId>
Expand Down Expand Up @@ -373,6 +410,9 @@
<includes>
<include>**</include>
</includes>
<excludes>
<exclude>.gitignore</exclude>
</excludes>
</fileset>
</filesets>
</configuration>
Expand Down Expand Up @@ -422,5 +462,17 @@
<osgi.arch>x86_64</osgi.arch>
</properties>
</profile>
<profile>
<!-- Relax jgit dirty-tree check locally; CI keeps it as error. -->
<id>local-dev</id>
<activation>
<property>
<name>!env.CI</name>
</property>
</activation>
<properties>
<jgit.dirtyWorkingTree>warning</jgit.dirtyWorkingTree>
</properties>
</profile>
</profiles>
</project>