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nix/.github/actions/install-nix-action/action.yaml
Sergei Zimmerman 4c4eb5d07f
ci: Bump magic-nix-cache with post-build-hook fix
No tagged release with the fix for [^].

[^]: 578f01e147
2025-10-24 01:34:09 +03:00

131 lines
6.8 KiB
YAML

name: "Install Nix"
description: "Helper action for installing Nix with support for dogfooding from master"
inputs:
dogfood:
description: "Whether to use Nix installed from the latest artifact from master branch"
required: true # Be explicit about the fact that we are using unreleased artifacts
experimental-installer:
description: "Whether to use the experimental installer to install Nix"
default: false
experimental-installer-version:
description: "Version of the experimental installer to use. If `latest`, the newest artifact from the default branch is used."
# TODO: This should probably be pinned to a release after https://github.com/NixOS/experimental-nix-installer/pull/49 lands in one
default: "latest"
extra_nix_config:
description: "Gets appended to `/etc/nix/nix.conf` if passed."
install_url:
description: "URL of the Nix installer"
required: false
default: "https://releases.nixos.org/nix/nix-2.32.1/install"
tarball_url:
description: "URL of the Nix tarball to use with the experimental installer"
required: false
github_token:
description: "Github token"
required: true
use_cache:
description: "Whether to setup magic-nix-cache"
default: true
required: false
runs:
using: "composite"
steps:
- name: "Download nix install artifact from master"
shell: bash
id: download-nix-installer
if: inputs.dogfood == 'true'
run: |
RUN_ID=$(gh run list --repo "$DOGFOOD_REPO" --workflow ci.yml --branch master --status success --json databaseId --jq ".[0].databaseId")
if [ "$RUNNER_OS" == "Linux" ]; then
INSTALLER_ARTIFACT="installer-linux"
elif [ "$RUNNER_OS" == "macOS" ]; then
INSTALLER_ARTIFACT="installer-darwin"
else
echo "::error ::Unsupported RUNNER_OS: $RUNNER_OS"
exit 1
fi
INSTALLER_DOWNLOAD_DIR="$GITHUB_WORKSPACE/$INSTALLER_ARTIFACT"
mkdir -p "$INSTALLER_DOWNLOAD_DIR"
gh run download "$RUN_ID" --repo "$DOGFOOD_REPO" -n "$INSTALLER_ARTIFACT" -D "$INSTALLER_DOWNLOAD_DIR"
echo "installer-path=file://$INSTALLER_DOWNLOAD_DIR" >> "$GITHUB_OUTPUT"
TARBALL_PATH="$(find "$INSTALLER_DOWNLOAD_DIR" -name 'nix*.tar.xz' -print | head -n 1)"
echo "tarball-path=file://$TARBALL_PATH" >> "$GITHUB_OUTPUT"
echo "::notice ::Dogfooding Nix installer from master (https://github.com/$DOGFOOD_REPO/actions/runs/$RUN_ID)"
env:
GH_TOKEN: ${{ inputs.github_token }}
DOGFOOD_REPO: "NixOS/nix"
- name: "Gather system info for experimental installer"
shell: bash
if: ${{ inputs.experimental-installer == 'true' }}
run: |
echo "::notice Using experimental installer from $EXPERIMENTAL_INSTALLER_REPO (https://github.com/$EXPERIMENTAL_INSTALLER_REPO)"
if [ "$RUNNER_OS" == "Linux" ]; then
EXPERIMENTAL_INSTALLER_SYSTEM="linux"
echo "EXPERIMENTAL_INSTALLER_SYSTEM=$EXPERIMENTAL_INSTALLER_SYSTEM" >> "$GITHUB_ENV"
elif [ "$RUNNER_OS" == "macOS" ]; then
EXPERIMENTAL_INSTALLER_SYSTEM="darwin"
echo "EXPERIMENTAL_INSTALLER_SYSTEM=$EXPERIMENTAL_INSTALLER_SYSTEM" >> "$GITHUB_ENV"
else
echo "::error ::Unsupported RUNNER_OS: $RUNNER_OS"
exit 1
fi
if [ "$RUNNER_ARCH" == "X64" ]; then
EXPERIMENTAL_INSTALLER_ARCH=x86_64
echo "EXPERIMENTAL_INSTALLER_ARCH=$EXPERIMENTAL_INSTALLER_ARCH" >> "$GITHUB_ENV"
elif [ "$RUNNER_ARCH" == "ARM64" ]; then
EXPERIMENTAL_INSTALLER_ARCH=aarch64
echo "EXPERIMENTAL_INSTALLER_ARCH=$EXPERIMENTAL_INSTALLER_ARCH" >> "$GITHUB_ENV"
else
echo "::error ::Unsupported RUNNER_ARCH: $RUNNER_ARCH"
exit 1
fi
echo "EXPERIMENTAL_INSTALLER_ARTIFACT=nix-installer-$EXPERIMENTAL_INSTALLER_ARCH-$EXPERIMENTAL_INSTALLER_SYSTEM" >> "$GITHUB_ENV"
env:
EXPERIMENTAL_INSTALLER_REPO: "NixOS/experimental-nix-installer"
- name: "Download latest experimental installer"
shell: bash
id: download-latest-experimental-installer
if: ${{ inputs.experimental-installer == 'true' && inputs.experimental-installer-version == 'latest' }}
run: |
RUN_ID=$(gh run list --repo "$EXPERIMENTAL_INSTALLER_REPO" --workflow ci.yml --branch main --status success --json databaseId --jq ".[0].databaseId")
EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR="$GITHUB_WORKSPACE/$EXPERIMENTAL_INSTALLER_ARTIFACT"
mkdir -p "$EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR"
gh run download "$RUN_ID" --repo "$EXPERIMENTAL_INSTALLER_REPO" -n "$EXPERIMENTAL_INSTALLER_ARTIFACT" -D "$EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR"
# Executable permissions are lost in artifacts
find $EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR -type f -exec chmod +x {} +
echo "installer-path=$EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR" >> "$GITHUB_OUTPUT"
env:
GH_TOKEN: ${{ inputs.github_token }}
EXPERIMENTAL_INSTALLER_REPO: "NixOS/experimental-nix-installer"
- uses: cachix/install-nix-action@c134e4c9e34bac6cab09cf239815f9339aaaf84e # v31.5.1
if: ${{ inputs.experimental-installer != 'true' }}
with:
# Ternary operator in GHA: https://www.github.com/actions/runner/issues/409#issuecomment-752775072
install_url: ${{ inputs.dogfood == 'true' && format('{0}/install', steps.download-nix-installer.outputs.installer-path) || inputs.install_url }}
install_options: ${{ inputs.dogfood == 'true' && format('--tarball-url-prefix {0}', steps.download-nix-installer.outputs.installer-path) || '' }}
extra_nix_config: ${{ inputs.extra_nix_config }}
- uses: DeterminateSystems/nix-installer-action@786fff0690178f1234e4e1fe9b536e94f5433196 # v20
if: ${{ inputs.experimental-installer == 'true' }}
with:
diagnostic-endpoint: ""
# TODO: It'd be nice to use `artifacts.nixos.org` for both of these, maybe through an `/experimental-installer/latest` endpoint? or `/commit/<hash>`?
local-root: ${{ inputs.experimental-installer-version == 'latest' && steps.download-latest-experimental-installer.outputs.installer-path || '' }}
source-url: ${{ inputs.experimental-installer-version != 'latest' && 'https://artifacts.nixos.org/experimental-installer/tag/${{ inputs.experimental-installer-version }}/${{ env.EXPERIMENTAL_INSTALLER_ARTIFACT }}' || '' }}
nix-package-url: ${{ inputs.dogfood == 'true' && steps.download-nix-installer.outputs.tarball-path || (inputs.tarball_url || '') }}
extra-conf: ${{ inputs.extra_nix_config }}
- uses: DeterminateSystems/magic-nix-cache-action@565684385bcd71bad329742eefe8d12f2e765b39 # v13
if: ${{ inputs.use_cache == 'true' }}
with:
diagnostic-endpoint: ''
use-flakehub: false
use-gha-cache: true
source-revision: 92d9581367be2233c2d5714a2640e1339f4087d8 # main