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ci.yml
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name: "CI"
on:
pull_request:
push:
permissions: read-all
jobs:
eval:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: cachix/install-nix-action@v30
- run: nix --experimental-features 'nix-command flakes' flake show --all-systems --json
tests:
strategy:
fail-fast: false
matrix:
os: [ubuntu-latest, macos-latest]
runs-on: ${{ matrix.os }}
timeout-minutes: 60
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: cachix/install-nix-action@v30
with:
# The sandbox would otherwise be disabled by default on Darwin
extra_nix_config: |
sandbox = true
max-jobs = 1
- uses: DeterminateSystems/magic-nix-cache-action@main
# Since ubuntu 22.30, unprivileged usernamespaces are no longer allowed to map to the root user:
# https://ubuntu.com/blog/ubuntu-23-10-restricted-unprivileged-user-namespaces
- run: sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0
if: matrix.os == 'ubuntu-latest'
- run: scripts/build-checks
- run: scripts/prepare-installer-for-github-actions
- name: Upload installer tarball
uses: actions/upload-artifact@v4
with:
name: installer-${{matrix.os}}
path: out/*
installer_test:
needs: [tests]
strategy:
fail-fast: false
matrix:
os: [ubuntu-latest, macos-latest]
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v4
- name: Download installer tarball
uses: actions/download-artifact@v4
with:
name: installer-${{matrix.os}}
path: out
- name: Serving installer
id: serving_installer
run: ./scripts/serve-installer-for-github-actions
- uses: cachix/install-nix-action@v30
with:
install_url: 'http://localhost:8126/install'
install_options: "--tarball-url-prefix http://localhost:8126/"
- run: sudo apt install fish zsh
if: matrix.os == 'ubuntu-latest'
- run: brew install fish
if: matrix.os == 'macos-latest'
- run: exec bash -c "nix-instantiate -E 'builtins.currentTime' --eval"
- run: exec sh -c "nix-instantiate -E 'builtins.currentTime' --eval"
- run: exec zsh -c "nix-instantiate -E 'builtins.currentTime' --eval"
- run: exec fish -c "nix-instantiate -E 'builtins.currentTime' --eval"
- run: exec bash -c "nix-channel --add https://releases.nixos.org/nixos/unstable/nixos-23.05pre466020.60c1d71f2ba nixpkgs"
- run: exec bash -c "nix-channel --update && nix-env -iA nixpkgs.hello && hello"
# Steps to test CI automation in your own fork.
# 1. Sign-up for https://hub.docker.com/
# 2. Store your dockerhub username as DOCKERHUB_USERNAME in "Repository secrets" of your fork repository settings (https://github.com/$githubuser/nix/settings/secrets/actions)
# 3. Create an access token in https://hub.docker.com/settings/security and store it as DOCKERHUB_TOKEN in "Repository secrets" of your fork
check_secrets:
permissions:
contents: none
name: Check Docker secrets present for installer tests
runs-on: ubuntu-latest
outputs:
docker: ${{ steps.secret.outputs.docker }}
steps:
- name: Check for secrets
id: secret
env:
_DOCKER_SECRETS: ${{ secrets.DOCKERHUB_USERNAME }}${{ secrets.DOCKERHUB_TOKEN }}
run: |
echo "::set-output name=docker::${{ env._DOCKER_SECRETS != '' }}"
docker_push_image:
needs: [tests, vm_tests, check_secrets]
permissions:
contents: read
packages: write
if: >-
needs.check_secrets.outputs.docker == 'true' &&
github.event_name == 'push' &&
github.ref_name == 'master'
runs-on: ubuntu-latest
steps:
- name: Check for secrets
id: secret
env:
_DOCKER_SECRETS: ${{ secrets.DOCKERHUB_USERNAME }}${{ secrets.DOCKERHUB_TOKEN }}
run: |
echo "::set-output name=docker::${{ env._DOCKER_SECRETS != '' }}"
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: cachix/install-nix-action@v30
with:
install_url: https://releases.nixos.org/nix/nix-2.20.3/install
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: echo NIX_VERSION="$(nix --experimental-features 'nix-command flakes' eval .\#nix.version | tr -d \")" >> $GITHUB_ENV
- run: nix --experimental-features 'nix-command flakes' build .#dockerImage -L
- run: docker load -i ./result/image.tar.gz
- run: docker tag nix:$NIX_VERSION ${{ secrets.DOCKERHUB_USERNAME }}/nix:$NIX_VERSION
- run: docker tag nix:$NIX_VERSION ${{ secrets.DOCKERHUB_USERNAME }}/nix:master
# We'll deploy the newly built image to both Docker Hub and Github Container Registry.
#
# Push to Docker Hub first
- name: Login to Docker Hub
uses: docker/login-action@v3
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/nix:$NIX_VERSION
- run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/nix:master
# Push to GitHub Container Registry as well
- name: Login to GitHub Container Registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Push image
run: |
IMAGE_ID=ghcr.io/${{ github.repository_owner }}/nix
# Change all uppercase to lowercase
IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
docker tag nix:$NIX_VERSION $IMAGE_ID:$NIX_VERSION
docker tag nix:$NIX_VERSION $IMAGE_ID:latest
docker push $IMAGE_ID:$NIX_VERSION
docker push $IMAGE_ID:latest
# deprecated 2024-02-24
docker tag nix:$NIX_VERSION $IMAGE_ID:master
docker push $IMAGE_ID:master
vm_tests:
runs-on: ubuntu-22.04
steps:
- uses: actions/checkout@v4
- uses: DeterminateSystems/nix-installer-action@main
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: |
nix build -L \
.#hydraJobs.tests.functional_user \
.#hydraJobs.tests.githubFlakes \
.#hydraJobs.tests.nix-docker \
.#hydraJobs.tests.tarballFlakes \
;
flake_regressions:
needs: vm_tests
runs-on: ubuntu-22.04
steps:
- name: Checkout nix
uses: actions/checkout@v4
- name: Checkout flake-regressions
uses: actions/checkout@v4
with:
repository: NixOS/flake-regressions
path: flake-regressions
- name: Checkout flake-regressions-data
uses: actions/checkout@v4
with:
repository: NixOS/flake-regressions-data
path: flake-regressions/tests
- uses: DeterminateSystems/nix-installer-action@main
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: nix build -L --out-link ./new-nix && PATH=$(pwd)/new-nix/bin:$PATH MAX_FLAKES=25 flake-regressions/eval-all.sh