Update Preview Branch #64
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| name: Update Preview Branch | |
| on: | |
| schedule: | |
| # Daily at 04:00 AM UTC (this corresponds to the time set in CTestConfig.cmake + 1 hour) | |
| # | |
| # This workflow is synchronized with the nightly builds on the Kitware-hosted dashboards, | |
| # which are configured via crontab to trigger daily at 11:00 PM Eastern Time (ET). The conversion | |
| # from ET to UTC depends on whether daylight saving time is in effect: | |
| # | |
| # - During the spring/summer months (typically March to November), Eastern Daylight Time (EDT), | |
| # which is UTC-04:00, is observed. Thus, 11:00 PM EDT corresponds to 03:00 AM UTC. | |
| # - During the autumn/winter months (typically November to March), Eastern Standard Time (EST), | |
| # which is UTC-05:00, is observed. Thus, 11:00 PM EST corresponds to 04:00 AM UTC. | |
| # | |
| # The build jobs are configured to start via the crontab on the Kitware-hosted dashboards at | |
| # 11:00 PM ET, and this workflow is scheduled to run daily at 04:00 AM UTC to ensure it executes | |
| # after the nightly builds have started and completed their source checkout, regardless of daylight | |
| # saving time. | |
| # | |
| # This is important because the preview branch should be updated to reflect the state of the | |
| # repository as of the latest nightly build. | |
| - cron: "0 4 * * *" | |
| # Manual trigger | |
| workflow_dispatch: | |
| permissions: | |
| contents: read | |
| jobs: | |
| update-slicer-preview-branch: | |
| permissions: | |
| # Needed in publish step to update the preview branch | |
| contents: write | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7 | |
| with: | |
| ref: main | |
| # The 'fetch-depth' option ensures that a sufficient number of commits are retrieved (250) | |
| # to allow the "git rev-parse" command used below to accurately reference a commit based | |
| # on time. | |
| # This mitigates potential warnings that occur when there aren't enough commits fetched. | |
| # We assume no more than 250 commits are made in a single day. | |
| fetch-depth: 250 | |
| - name: Install time zone and daylight-saving time data | |
| run: | | |
| sudo apt-get -y install tzdata | |
| env: | |
| DEBIAN_FRONTEND: noninteractive | |
| - name: "Compute last preview build date" | |
| id: preview | |
| run: | | |
| # Get the current hour in 24-hour format | |
| current_hour=$(date +%H) | |
| # Check if the current time is before or after 11 PM | |
| if [ "$current_hour" -lt 23 ]; then | |
| # If before 11 PM, return the date of the previous day | |
| date=$(TZ=":US/Eastern" date -d "yesterday" +"%Y-%m-%d") | |
| else | |
| # If it's 11 PM or later, return today's date | |
| date=$(TZ=":US/Eastern" date +"%Y-%m-%d") | |
| fi | |
| echo $date | |
| echo "date=$date" >> $GITHUB_OUTPUT | |
| - name: "Convert dashboard start time from ET to UTC" | |
| id: convert | |
| run: | | |
| time=$(TZ=":US/Eastern" date -d"$DATE 23:00:00" "+%Y-%m-%d %H:%M:%S %z") | |
| echo "time [$time]" | |
| echo "time=$time" >> $GITHUB_OUTPUT | |
| env: | |
| DATE: ${{ steps.preview.outputs.date }} | |
| - name: "Retrieve preview branch SHA" | |
| id: retrieve | |
| run: | | |
| sha=$(TZ=":US/Eastern" git rev-list -1 --before="${TIME}" main) | |
| echo "sha [$sha]" | |
| echo "sha=$sha" >> $GITHUB_OUTPUT | |
| env: | |
| TIME: ${{ steps.convert.outputs.time }} | |
| - uses: actions/create-github-app-token@5d869da34e18e7287c1daad50e0b8ea0f506ce69 # v1.11.0 | |
| id: app-token | |
| with: | |
| app-id: ${{ vars.SLICER_APP_ID }} | |
| private-key: ${{ secrets.SLICER_APP_PRIVATE_KEY }} | |
| - name: "Publish" | |
| run: | | |
| if [ -z "$SHA" ]; then | |
| echo "::error ::Failed to retrieve SHA" | |
| exit 1 | |
| fi | |
| remote=https://${SLICERBOT_GITHUB_TOKEN}@github.com/${REPOSITORY}.git | |
| git push $remote $SHA:refs/heads/${PREVIEW_BRANCH} --force | |
| env: | |
| SHA: ${{ steps.retrieve.outputs.sha }} | |
| SLICERBOT_GITHUB_TOKEN: ${{ steps.app-token.outputs.token }} | |
| REPOSITORY: ${{ github.repository }} | |
| PREVIEW_BRANCH: nightly-main |