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Nix CI

Nix CI #22230

Workflow file for this run

name: Nix CI
on:
push:
branches:
- master
tags:
- '*'
pull_request:
merge_group:
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
jobs:
# see ci.yml
configure:
runs-on: ubuntu-latest
outputs:
matrix: ${{ steps.set-matrix.outputs.result }}
steps:
- name: Configure build matrix
id: set-matrix
uses: actions/github-script@v7
with:
script: |
let large = ${{ github.repository == 'leanprover/lean4' }};
let matrix = [
{
"name": "Nix Linux",
"os": large ? "nscloud-ubuntu-22.04-amd64-8x8" : "ubuntu-latest",
}
];
console.log(`matrix:\n${JSON.stringify(matrix, null, 2)}`);
return matrix;
Build:
needs: [configure]
runs-on: ${{ matrix.os }}
defaults:
run:
shell: nix run .#ciShell -- bash -euxo pipefail {0}
strategy:
matrix:
include: ${{fromJson(needs.configure.outputs.matrix)}}
# complete all jobs
fail-fast: false
name: ${{ matrix.name }}
env:
NIX_BUILD_ARGS: --print-build-logs --fallback
steps:
- name: Checkout
uses: actions/checkout@v4
with:
# the default is to use a virtual merge commit between the PR and master: just use the PR
ref: ${{ github.event.pull_request.head.sha }}
- name: Set Up Nix Cache
uses: actions/cache@v4
with:
path: nix-store-cache
key: ${{ matrix.name }}-nix-store-cache-${{ github.sha }}
# fall back to (latest) previous cache
restore-keys: |
${{ matrix.name }}-nix-store-cache
save-always: true
- name: Further Set Up Nix Cache
shell: bash -euxo pipefail {0}
run: |
# Nix seems to mutate the cache, so make a copy
cp -r nix-store-cache nix-store-cache-copy || true
- name: Install Nix
uses: DeterminateSystems/nix-installer-action@main
with:
extra-conf: |
extra-sandbox-paths = /nix/var/cache/ccache?
substituters = file://${{ github.workspace }}/nix-store-cache-copy?priority=10&trusted=true https://cache.nixos.org
- name: Prepare CCache Cache
run: |
sudo mkdir -m0770 -p /nix/var/cache/ccache
sudo chown -R $USER /nix/var/cache/ccache
- name: Setup CCache Cache
uses: actions/cache@v4
with:
path: /nix/var/cache/ccache
key: ${{ matrix.name }}-nix-ccache-${{ github.sha }}
# fall back to (latest) previous cache
restore-keys: |
${{ matrix.name }}-nix-ccache
save-always: true
- name: Further Set Up CCache Cache
run: |
sudo chown -R root:nixbld /nix/var/cache
sudo chmod -R 770 /nix/var/cache
- name: Build
run: |
nix build $NIX_BUILD_ARGS .#cacheRoots -o push-build
- name: Test
run: |
nix build --keep-failed $NIX_BUILD_ARGS .#test -o push-test || (ln -s /tmp/nix-build-*/build/source/src/build ./push-test; false)
- name: Test Summary
uses: test-summary/action@v2
with:
paths: push-test/test-results.xml
if: always()
continue-on-error: true
- name: Build manual
run: |
nix build $NIX_BUILD_ARGS --update-input lean --no-write-lock-file ./doc#{lean-mdbook,leanInk,alectryon,inked} -o push-doc
nix build $NIX_BUILD_ARGS --update-input lean --no-write-lock-file ./doc
# https://github.com/netlify/cli/issues/1809
cp -r --dereference ./result ./dist
if: matrix.name == 'Nix Linux'
- name: Rebuild Nix Store Cache
run: |
rm -rf nix-store-cache || true
nix copy ./push-* --to file://$PWD/nix-store-cache?compression=none
- id: deploy-info
name: Compute Deployment Metadata
run: |
set -e
python3 -c 'import base64; print("alias="+base64.urlsafe_b64encode(bytes.fromhex("${{github.sha}}")).decode("utf-8").rstrip("="))' >> "$GITHUB_OUTPUT"
echo "message=`git log -1 --pretty=format:"%s"`" >> "$GITHUB_OUTPUT"
- name: Publish manual to Netlify
uses: nwtgck/[email protected]
id: publish-manual
with:
publish-dir: ./dist
production-branch: master
github-token: ${{ secrets.GITHUB_TOKEN }}
deploy-message: |
${{ github.event_name == 'pull_request' && format('pr#{0}: {1}', github.event.number, github.event.pull_request.title) || format('ref/{0}: {1}', github.ref_name, steps.deploy-info.outputs.message) }}
alias: ${{ steps.deploy-info.outputs.alias }}
enable-commit-comment: false
enable-pull-request-comment: false
github-deployment-environment: "lean-lang.org/lean4/doc"
fails-without-credentials: false
env:
NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
NETLIFY_SITE_ID: "b8e805d2-7e9b-4f80-91fb-a84d72fc4a68"
- name: Fixup CCache Cache
run: |
sudo chown -R $USER /nix/var/cache