123 lines
5.7 KiB
YAML
123 lines
5.7 KiB
YAML
# Checks pkgs/by-name (see pkgs/by-name/README.md)
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# using the nixpkgs-check-by-name tool (see https://github.com/NixOS/nixpkgs-check-by-name)
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#
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# When you make changes to this workflow, also update pkgs/test/check-by-name/run-local.sh adequately
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name: Check pkgs/by-name
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on:
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# Using pull_request_target instead of pull_request avoids having to approve first time contributors
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pull_request_target:
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# This workflow depends on the base branch of the PR,
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# but changing the base branch is not included in the default trigger events,
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# which would be `opened`, `synchronize` or `reopened`.
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# Instead it causes an `edited` event, so we need to add it explicitly here
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# While `edited` is also triggered when the PR title/body is changed,
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# this PR action is fairly quick, and PR's don't get edited that often,
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# so it shouldn't be a problem
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# There is a feature request for adding a `base_changed` event:
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# https://github.com/orgs/community/discussions/35058
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types: [opened, synchronize, reopened, edited]
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permissions: {}
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# We don't use a concurrency group here, because the action is triggered quite often (due to the PR edit
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# trigger), and contributers would get notified on any canceled run.
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# There is a feature request for supressing notifications on concurrency-canceled runs:
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# https://github.com/orgs/community/discussions/13015
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jobs:
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check:
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# This needs to be x86_64-linux, because we depend on the tooling being pre-built in the GitHub releases
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runs-on: ubuntu-latest
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# This should take 1 minute at most, but let's be generous.
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# The default of 6 hours is definitely too long
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timeout-minutes: 10
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steps:
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# This step has to be in this file,
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# because it's needed to determine which revision of the repository to fetch,
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# and we can only use other files from the repository once it's fetched.
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- name: Resolving the merge commit
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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# This checks for mergeability of a pull request as recommended in
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# https://docs.github.com/en/rest/guides/using-the-rest-api-to-interact-with-your-git-database?apiVersion=2022-11-28#checking-mergeability-of-pull-requests
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# Retry the API query this many times
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retryCount=5
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# Start with 5 seconds, but double every retry
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retryInterval=5
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while true; do
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echo "Checking whether the pull request can be merged"
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prInfo=$(gh api \
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-H "Accept: application/vnd.github+json" \
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-H "X-GitHub-Api-Version: 2022-11-28" \
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/repos/"$GITHUB_REPOSITORY"/pulls/${{ github.event.pull_request.number }})
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mergeable=$(jq -r .mergeable <<< "$prInfo")
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mergedSha=$(jq -r .merge_commit_sha <<< "$prInfo")
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if [[ "$mergeable" == "null" ]]; then
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if (( retryCount == 0 )); then
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echo "Not retrying anymore, probably GitHub is having internal issues"
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exit 1
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else
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(( retryCount -= 1 )) || true
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# null indicates that GitHub is still computing whether it's mergeable
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# Wait a couple seconds before trying again
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echo "GitHub is still computing whether this PR can be merged, waiting $retryInterval seconds before trying again ($retryCount retries left)"
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sleep "$retryInterval"
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(( retryInterval *= 2 )) || true
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fi
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else
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break
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fi
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done
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if [[ "$mergeable" == "true" ]]; then
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echo "The PR can be merged, checking the merge commit $mergedSha"
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echo "mergedSha=$mergedSha" >> "$GITHUB_ENV"
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else
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echo "The PR cannot be merged, it has a merge conflict, skipping the rest.."
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fi
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- uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
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if: env.mergedSha
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with:
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# pull_request_target checks out the base branch by default
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ref: ${{ env.mergedSha }}
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# Fetches the merge commit and its parents
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fetch-depth: 2
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- name: Checking out base branch
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if: env.mergedSha
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run: |
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base=$(mktemp -d)
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git worktree add "$base" "$(git rev-parse HEAD^1)"
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echo "base=$base" >> "$GITHUB_ENV"
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- uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
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if: env.mergedSha
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- name: Fetching the pinned tool
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if: env.mergedSha
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# Update the pinned version using pkgs/test/check-by-name/update-pinned-tool.sh
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run: |
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# The pinned version of the tooling to use
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toolVersion=$(<pkgs/test/check-by-name/pinned-version.txt)
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# Fetch the x86_64-linux-specific release artifact containing the Gzipped NAR of the pre-built tool
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toolPath=$(curl -sSfL https://github.com/NixOS/nixpkgs-check-by-name/releases/download/"$toolVersion"/x86_64-linux.nar.gz \
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| gzip -cd | nix-store --import | tail -1)
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# Adds a result symlink as a GC root
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nix-store --realise "$toolPath" --add-root result
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- name: Running nixpkgs-check-by-name
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if: env.mergedSha
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env:
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# Force terminal colors to be enabled. The library that
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# nixpkgs-check-by-name uses respects: https://bixense.com/clicolors/
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CLICOLOR_FORCE: 1
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run: |
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if result/bin/nixpkgs-check-by-name --base "$base" .; then
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exit 0
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else
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exitCode=$?
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echo "To run locally: ./maintainers/scripts/check-by-name.sh $GITHUB_BASE_REF https://github.com/$GITHUB_REPOSITORY.git"
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exit "$exitCode"
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fi
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