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RFC: Add gcc offloading to GPUs #21189

RFC: Add gcc offloading to GPUs

RFC: Add gcc offloading to GPUs #21189

Workflow file for this run

name: Eval
on:
pull_request_target:
push:
# Keep this synced with ci/request-reviews/dev-branches.txt
branches:
- master
- staging
- release-*
- staging-*
- haskell-updates
- python-updates
permissions:
contents: read
jobs:
attrs:
name: Attributes
runs-on: ubuntu-latest
outputs:
mergedSha: ${{ steps.merged.outputs.mergedSha }}
baseSha: ${{ steps.baseSha.outputs.baseSha }}
systems: ${{ steps.systems.outputs.systems }}
steps:
# Important: Because of `pull_request_target`, this doesn't check out the PR,
# but rather the base branch of the PR, which is needed so we don't run untrusted code
- name: Check out the ci directory of the base branch
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
path: base
sparse-checkout: ci
- name: Check if the PR can be merged and get the test merge commit
id: merged
env:
GH_TOKEN: ${{ github.token }}
GH_EVENT: ${{ github.event_name }}
run: |
case "$GH_EVENT" in
push)
echo "mergedSha=${{ github.sha }}" >> "$GITHUB_OUTPUT"
;;
pull_request_target)
if mergedSha=$(base/ci/get-merge-commit.sh ${{ github.repository }} ${{ github.event.number }}); then
echo "Checking the merge commit $mergedSha"
echo "mergedSha=$mergedSha" >> "$GITHUB_OUTPUT"
else
# Skipping so that no notifications are sent
echo "Skipping the rest..."
fi
;;
esac
rm -rf base
- name: Check out the PR at the test merge commit
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
# Add this to _all_ subsequent steps to skip them
if: steps.merged.outputs.mergedSha
with:
ref: ${{ steps.merged.outputs.mergedSha }}
fetch-depth: 2
path: nixpkgs
- name: Determine base commit
if: github.event_name == 'pull_request_target' && steps.merged.outputs.mergedSha
id: baseSha
run: |
baseSha=$(git -C nixpkgs rev-parse HEAD^1)
echo "baseSha=$baseSha" >> "$GITHUB_OUTPUT"
- name: Install Nix
uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
if: steps.merged.outputs.mergedSha
- name: Evaluate the list of all attributes and get the systems matrix
id: systems
if: steps.merged.outputs.mergedSha
run: |
nix-build nixpkgs/ci -A eval.attrpathsSuperset
echo "systems=$(<result/systems.json)" >> "$GITHUB_OUTPUT"
- name: Upload the list of all attributes
uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
if: steps.merged.outputs.mergedSha
with:
name: paths
path: result/*
outpaths:
name: Outpaths
runs-on: ubuntu-latest
needs: attrs
# Skip this and future steps if the PR can't be merged
if: needs.attrs.outputs.mergedSha
strategy:
matrix:
system: ${{ fromJSON(needs.attrs.outputs.systems) }}
steps:
- name: Download the list of all attributes
uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
with:
name: paths
path: paths
- name: Check out the PR at the test merge commit
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
ref: ${{ needs.attrs.outputs.mergedSha }}
path: nixpkgs
- name: Install Nix
uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
- name: Evaluate the ${{ matrix.system }} output paths for all derivation attributes
env:
MATRIX_SYSTEM: ${{ matrix.system }}
run: |
nix-build nixpkgs/ci -A eval.singleSystem \
--argstr evalSystem "$MATRIX_SYSTEM" \
--arg attrpathFile ./paths/paths.json \
--arg chunkSize 10000
# If it uses too much memory, slightly decrease chunkSize
- name: Upload the output paths and eval stats
uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
if: needs.attrs.outputs.mergedSha
with:
name: intermediate-${{ matrix.system }}
path: result/*
process:
name: Process
runs-on: ubuntu-latest
needs: [ outpaths, attrs ]
outputs:
baseRunId: ${{ steps.baseRunId.outputs.baseRunId }}
steps:
- name: Download output paths and eval stats for all systems
uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
with:
pattern: intermediate-*
path: intermediate
- name: Check out the PR at the test merge commit
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
ref: ${{ needs.attrs.outputs.mergedSha }}
path: nixpkgs
- name: Install Nix
uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
- name: Combine all output paths and eval stats
run: |
nix-build nixpkgs/ci -A eval.combine \
--arg resultsDir ./intermediate \
-o prResult
- name: Upload the combined results
uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
with:
name: result
path: prResult/*
- name: Get base run id
if: needs.attrs.outputs.baseSha
id: baseRunId
run: |
# Get the latest eval.yml workflow run for the PR's base commit
if ! run=$(gh api --method GET /repos/"$REPOSITORY"/actions/workflows/eval.yml/runs \
-f head_sha="$BASE_SHA" \
--jq '.workflow_runs | sort_by(.run_started_at) | .[-1]') \
|| [[ -z "$run" ]]; then
echo "Could not find an eval.yml workflow run for $BASE_SHA, cannot make comparison"
exit 0
fi
echo "Comparing against $(jq .html_url <<< "$run")"
runId=$(jq .id <<< "$run")
conclusion=$(jq -r .conclusion <<< "$run")
while [[ "$conclusion" == null ]]; do
echo "Workflow not done, waiting 10 seconds before checking again"
sleep 10
conclusion=$(gh api /repos/"$REPOSITORY"/actions/runs/"$runId" --jq '.conclusion')
done
if [[ "$conclusion" != "success" ]]; then
echo "Workflow was not successful, cannot make comparison"
exit 0
fi
echo "baseRunId=$runId" >> "$GITHUB_OUTPUT"
env:
REPOSITORY: ${{ github.repository }}
BASE_SHA: ${{ needs.attrs.outputs.baseSha }}
GH_TOKEN: ${{ github.token }}
- uses: actions/download-artifact@v4
if: steps.baseRunId.outputs.baseRunId
with:
name: result
path: baseResult
github-token: ${{ github.token }}
run-id: ${{ steps.baseRunId.outputs.baseRunId }}
- name: Compare against the base branch
if: steps.baseRunId.outputs.baseRunId
run: |
nix-build nixpkgs/ci -A eval.compare \
--arg beforeResultDir ./baseResult \
--arg afterResultDir ./prResult \
-o comparison
# TODO: Request reviews from maintainers for packages whose files are modified in the PR
- name: Upload the combined results
if: steps.baseRunId.outputs.baseRunId
uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
with:
name: comparison
path: comparison/*
# Separate job to have a very tightly scoped PR write token
tag:
name: Tag
runs-on: ubuntu-latest
needs: process
if: needs.process.outputs.baseRunId
permissions:
pull-requests: write
steps:
- name: Download process result
uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
with:
name: comparison
path: comparison
- name: Tagging pull request
run: |
gh api \
--method POST \
/repos/${{ github.repository }}/issues/${{ github.event.number }}/labels \
--input <(jq -c '{ labels: .labels }' comparison/changed-paths.json)
env:
GH_TOKEN: ${{ github.token }}