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6d4b1f8e30
We can avoid running old jobs to completion, when pushing changes to a pull request. This is done via concurrency groups. We set them on the workflow level, with the following keys in the group name: - `github.workflow` to only cancel / block the same workflow. - `github.event_name` to avoid blocking between pull_request and pull_request_target. - `github.head_ref` which is unique for a PR, but the same when changing it. This will cause PRs to cancel in progress jobs. Unset on pushes to master & co. - `github.run_id` as fallback for push events. In this case, the run_id is unique for every push, thus *no* cancelling happens on the dev branches.
54 lines
2.4 KiB
YAML
54 lines
2.4 KiB
YAML
# Some workflows depend on the base branch of the PR, but changing the base branch is not included in the default trigger events, which would be `opened`, `synchronize` or `reopened`.
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# Instead it causes an `edited` event.
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# Since `edited` is also triggered when PR title/body is changed, we use this wrapper workflow, to run the other workflows conditionally only.
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# There are already feature requests for adding a `base_changed` event:
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# - https://github.com/orgs/community/discussions/35058
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# - https://github.com/orgs/community/discussions/64119
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#
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# Instead of adding this to each workflow's pull_request_target event, we trigger this in a separate workflow.
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# This has the advantage, that we can actually skip running those jobs for simple edits like changing the title or description.
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# The actual trigger happens by closing and re-opening the pull request, which triggers the default pull_request_target events.
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# This is much simpler and reliable than other approaches.
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name: "Edited base branch"
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on:
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pull_request_target:
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types: [edited]
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concurrency:
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group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.run_id }}
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cancel-in-progress: true
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permissions: {}
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jobs:
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base:
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name: Trigger jobs
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runs-on: ubuntu-24.04
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if: github.event.changes.base.ref.from && github.event.changes.base.ref.from != github.event.pull_request.base.ref
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steps:
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# Use a GitHub App to create the PR so that CI gets triggered
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# The App is scoped to Repository > Contents and Pull Requests: write for Nixpkgs
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# We only need Pull Requests: write here, but the app is also used for backports.
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- uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
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id: app-token
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with:
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app-id: ${{ vars.NIXPKGS_CI_APP_ID }}
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private-key: ${{ secrets.NIXPKGS_CI_APP_PRIVATE_KEY }}
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permission-pull-requests: write
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- uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
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with:
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github-token: ${{ steps.app-token.outputs.token }}
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script: |
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function changeState(state) {
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return github.rest.pulls.update({
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owner: context.repo.owner,
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repo: context.repo.repo,
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pull_number: context.payload.pull_request.number,
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state
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})
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}
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await changeState('closed')
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await changeState('open')
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