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ci: workflow that runs bumpversion and pushes when issue filed (#650)
* Add tag workflow that relies on tagging a PR with a specific label
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‎.github/workflows/tag.yml

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# NB: release notes inspired by https://blogs.sap.com/2018/06/22/generating-release-notes-from-git-commit-messages-using-basic-shell-commands-gitgrep/
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name: Tag Creator
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on:
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pull_request:
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types: [labeled, closed]
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env:
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IS_MAJOR: >-
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${{ contains( github.event.pull_request.labels.*.name, 'bumpversion/major' ) }}
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IS_MINOR: >-
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${{ contains( github.event.pull_request.labels.*.name, 'bumpversion/minor' ) }}
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IS_PATCH: >-
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${{ contains( github.event.pull_request.labels.*.name, 'bumpversion/patch' ) }}
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PR_NUMBER: ${{ github.event.pull_request.number }}
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PR_TITLE: ${{ github.event.pull_request.title }}
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GITHUB_HEAD_REF: ${{ github.head_ref }}
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jobs:
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bumpversion:
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if: >-
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(
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contains( github.event.pull_request.labels.*.name, 'bumpversion/major' ) ||
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contains( github.event.pull_request.labels.*.name, 'bumpversion/minor' ) ||
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contains( github.event.pull_request.labels.*.name, 'bumpversion/patch' )
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) && (
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github.event.sender.login == 'lukasheinrich' ||
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github.event.sender.login == 'matthewfeickert' ||
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github.event.sender.login == 'kratsg'
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)
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runs-on: ubuntu-latest
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steps:
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- name: Dump GitHub context
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env:
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GITHUB_CONTEXT: ${{ toJson(github) }}
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run: echo "$GITHUB_CONTEXT"
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- name: Determine version part
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run: |
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if [ $IS_MAJOR == 'true' ]
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then
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echo "::set-env name=BV_PART::major"
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elif [ $IS_MINOR == 'true' ]
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then
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echo "::set-env name=BV_PART::minor"
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else
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echo "::set-env name=BV_PART::patch"
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fi
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- name: Checkout repository
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uses: actions/checkout@v1.2.0
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- name: Set up git user
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run: |
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git config --local user.email "action@github.com"
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git config --local user.name "GitHub Action"
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- name: Checkout master
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run: git checkout master
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- name: Squash and merge PR#${{ github.event.pull_request.number }} to master
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if: github.event.action == 'labeled'
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run: |
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git merge --squash "origin/${GITHUB_HEAD_REF}"
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git commit -m "${PR_TITLE} (#${PR_NUMBER})"
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- name: Set up Python 3.7
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uses: actions/setup-python@v1
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with:
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python-version: 3.7
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- name: Install bumpversion
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run: |
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python -m pip install --upgrade pip setuptools wheel
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python -m pip install bumpversion
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- name: Run bumpversion ${{ env['BV_PART'] }}
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run: |
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OLD_TAG=$(git describe --tags --abbrev=0)
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echo "::set-env name=OLD_TAG::${OLD_TAG}"
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bumpversion $BV_PART --message "Bump version: {current_version} → {new_version}
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Triggered by #${PR_NUMBER} via GitHub Actions."
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NEW_TAG=$(git describe --tags --abbrev=0)
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echo "::set-env name=NEW_TAG::${NEW_TAG}"
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git tag -n99 -l $NEW_TAG
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CHANGES=$(git log --pretty=format:'%s' $OLD_TAG..HEAD -i -E --grep='^([a-z]*?):')
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CHANGES_NEWLINE="$(echo "${CHANGES}" | sed -e 's/^/ - /')"
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SANITIZED_CHANGES=$(echo "${CHANGES}" | sed -e 's/^/<li>/' -e 's|$|</li>|' -e 's/(#[0-9]\+)//' )
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echo "::set-env name=CHANGES::${SANITIZED_CHANGES//$'\n'/}"
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NUM_CHANGES=$(echo -n "$CHANGES" | grep -c '^')
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echo "::set-env name=NUM_CHANGES::${NUM_CHANGES}"
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git tag $NEW_TAG $NEW_TAG^{} -f -m "$(printf "This is a $BV_PART release from $OLD_TAG → $NEW_TAG.\n\nChanges:\n$CHANGES_NEWLINE")"
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git tag -n99 -l $NEW_TAG
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- name: Comment on issue
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if: >-
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github.event.action == 'labeled'
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uses: actions/github-script@0.3.0
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with:
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github-token: ${{ secrets.GITHUB_TOKEN }}
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script: |
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github.issues.createComment({...context.issue, body: "I've queued this up. When it gets merged, I'll create a ${{ env['BV_PART'] }} release from ${{ env['OLD_TAG'] }} → ${{ env['NEW_TAG'] }} which includes the following ${{ env['NUM_CHANGES'] }} change(s) [including this PR]:<br />${{ env['CHANGES'] }}<br />If you make any more changes, you probably want to re-trigger me again by removing the `bumpversion/${{ env['BV_PART'] }}` label and then adding it back again."})
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- name: Push changes
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if: >-
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github.event.action == 'closed' && github.event.pull_request.merged
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uses: ad-m/github-push-action@v0.5.0
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with:
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github_token: ${{ secrets.GITHUB_PAT }}
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- name: Comment that something failed
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if: failure()
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uses: actions/github-script@0.3.0
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with:
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github-token: ${{ secrets.GITHUB_TOKEN }}
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script: |
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github.issues.createComment({...context.issue, body: ":cry: Something went wrong. I am not able to push. Check the [Actions pipeline](https://github.com/${{ github.repository }}/actions?query=workflow%3A%22Tag+Creator%22) to see what happened. If you make any more changes, you probably want to re-trigger me again by adding the `bumpversion/${{ env['BV_PART'] }}` label again."})
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github.issues.removeLabels({...context.issue, "bumpversion/${{ env['BV_PART'] }}" })
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always_job:
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name: Always run job
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runs-on: ubuntu-latest
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steps:
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- name: Always run
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run: echo "This job is used to prevent the workflow status from showing as failed when all other jobs are skipped. See https://github.community/t5/GitHub-Actions/Workflow-is-failing-if-no-job-can-be-ran-due-to-condition/m-p/38085 for more information."

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