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README.md

PMD CI Scripts

This folder contains scripts used for CI, that are PMD specific. It uses the common scripts from build-tools.

.ci/files/public-env.gpg

This files contains the following environment variables:

  • DANGER_GITHUB_API_TOKEN: Token for danger to add comments to PRs as https://github.com/pmd-test. The token needs the scope "public_repo". Note: The default GITHUB_TOKEN can't be used, because danger runs in pull request builds from fork and the default GITHUB_TOKEN has read-only access there and can't write comments. Therefore the personal access token of the bot account "pmd-test" is used. pmd-test has no commit permissions, but can comment on any public repo, including pmd/pmd.
  • PMD_CI_CHUNK_TOKEN: Token for uploading reports to chunk.io

The file is encrypted, so that the tokens are not automatically disabled when github detects them in clear text.

Decrypting:

gpg --batch --yes --decrypt --passphrase="GnxdjywUEPveyCD1RLiTd7t8CImnefYr" \
    --output .ci/files/public-env .ci/files/public-env.gpg

Encrypting:

gpg --batch --symmetric --cipher-algo AES256 \
    --armor --passphrase="GnxdjywUEPveyCD1RLiTd7t8CImnefYr" \
    --output .ci/files/public-env.gpg .ci/files/public-env

Local tests with docker

Using the same docker container as described in build-env @ build-tools.

Testing a push build (snapshot)

Start docker without binding to local directory, so that we can do a fresh checkout

$ docker run \
    --interactive \
    --tty \
    --name pmd-build-env_pmd \
    pmd-build-env:latest

export LANG=en_US.UTF-8
export PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/pmd/build-tools/master/scripts

export PMD_CI_SECRET_PASSPHRASE="xyz"
export PMD_CI_DEBUG=true

MAIN_BRANCH="master"
eval $(~/create-gh-actions-env.sh push pmd/pmd $MAIN_BRANCH)

cd /workspaces/pmd
rmdir pmd && mkdir pmd
cd pmd
git init
git remote add origin https://github.com/pmd/pmd
git fetch --no-tags --prune --progress --no-recurse-submodules --depth=2 origin  refs/heads/${MAIN_BRANCH}:refs/remotes/origin/${MAIN_BRANCH}
git checkout --progress --force -B ${MAIN_BRANCH} refs/remotes/origin/${MAIN_BRANCH}


f=check-environment.sh; \
        mkdir -p .ci && \
        ( [ -e .ci/$f ] || curl -sSL "${PMD_CI_SCRIPTS_URL}/$f" > ".ci/$f" ) && \
        chmod 755 .ci/$f && \
        .ci/$f

.ci/build.sh

Testing a pull request

Same as the above, but this line changes:

eval $(~/create-gh-actions-env.sh pull_request pmd/pmd $MAIN_BRANCH)

Maybe update /workspaces/event.json to fill in a real pull request number, so that danger can comment the correct PR.

And the checkout must be different. Example for PR 3220:

PMD_CI_PULL_REQUEST_NUMBER=3220
cd /workspace/pmd
rmdir pmd && mkdir pmd
cd pmd
git init
git remote add origin https://github.com/pmd/pmd
git fetch --no-tags --prune --progress --no-recurse-submodules --depth=2 origin  refs/pull/${PMD_CI_PULL_REQUEST_NUMBER}/merge:refs/remotes/pull/${PMD_CI_PULL_REQUEST_NUMBER}/merge
git checkout --progress --force refs/remotes/pull/${PMD_CI_PULL_REQUEST_NUMBER}/merge

Forked build

A build executing on a forked repository.

$(~/create-gh-actions-env.sh push adangel/pmd $MAIN_BRANCH)

Performing a release (push) build

export LANG=en_US.UTF-8
export PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/pmd/build-tools/master/scripts

export PMD_CI_SECRET_PASSPHRASE="xyz"
export PMD_CI_DEBUG=true

TAG_NAME=pmd_releases/6.33.0

eval $(~/create-gh-actions-env.sh push pmd/pmd refs/tags/$TAG_NAME)

cd /workspaces/pmd
rmdir pmd && mkdir pmd
cd pmd
git init
git remote add origin https://github.com/pmd/pmd
git fetch --no-tags --prune --progress --no-recurse-submodules --depth=2 origin  refs/tags/$TAG_NAME:refs/tags/$TAG_NAME
git checkout --progress --force refs/tags/$TAG_NAME

f=check-environment.sh; \
        mkdir -p .ci && \
        ( [ -e .ci/$f ] || curl -sSL "${PMD_CI_SCRIPTS_URL}/$f" > ".ci/$f" ) && \
        chmod 755 .ci/$f && \
        .ci/$f

#
# .ci/build.sh
#

Calling .ci/build.sh directly would re-release the tag $TAG_NAME - that's why it is commented out. All the side-effects of a release would be carried out like creating and publishing a release on github, uploading the release to sourceforge, uploading the docs to docs.pmd-code.org, uploading a new baseline for the regression tester and so on. While the release should be reproducible and therefore should produce exactly the same artifacts, re-uploading artifacts is not desired just for testing.

Note that maven-central would not be changed, since this is skipped via MAVEN_OPTS: MAVEN_OPTS contains -DskipRemoteStaging=true, so that no maven artifacts are deployed to maven central (this is set by create-gh-actions-env.sh).

So for now in order to test the build script, you need to manually edit the script and comment out the critical lines... (like publish github releases, uploading files to sourceforge ...). Later a "dry-run" mode could be added.

Make sure to cleanup after the test, e.g. discard the draft github release.

Workflow git-repo-sync

Synchronizes the github git repository pmd/pmd on every push to sourceforge.