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ci: allow for using the latest build of the experimental installer

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Until these repos are potentially merged, this is good for dogfooding
alongside the experimental installer. It also uses the more official
`artifacts.nixos.org` endpoint to install stable releases now

More immediately though, we need a patch for the experimental installer
to really work in CI at all, and that hasn't landed in a tag yet. So,
this lets us use it right from `main`!
This commit is contained in:
Seth Flynn
2025-10-03 02:01:03 -04:00
parent d2293fb458
commit 92d7381826
1 changed files with 35 additions and 14 deletions
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49
.github/actions/install-nix-action/action.yaml vendored
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@@ -7,6 +7,10 @@ inputs:
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:
@@ -50,36 +54,51 @@ runs:
env:
GH_TOKEN: ${{ inputs.github_token }}
DOGFOOD_REPO: "NixOS/nix"
- name: "Download experimental installer"
- name: "Gather system info for experimental installer"
shell: bash
id: download-experimental-nix-installer
if: ${{ inputs.experimental-installer == 'true' }}
run: |
echo "::notice Using experimental installer from $EXPERIMENTAL_INSTALLER_REPO (https://github.com/$EXPERIMENTAL_INSTALLER_REPO)"
if [ "$RUNNER_OS" == "Linux" ]; then
INSTALLER_OS="linux"
EXPERIMENTAL_INSTALLER_SYSTEM="linux"
echo "EXPERIMENTAL_INSTALLER_SYSTEM=$EXPERIMENTAL_INSTALLER_SYSTEM" >> "$GITHUB_ENV"
elif [ "$RUNNER_OS" == "macOS" ]; then
INSTALLER_OS="darwin"
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
INSTALLER_ARCH="x86_64"
EXPERIMENTAL_INSTALLER_ARCH=x86_64
echo "EXPERIMENTAL_INSTALLER_ARCH=$EXPERIMENTAL_INSTALLER_ARCH" >> "$GITHUB_ENV"
elif [ "$RUNNER_ARCH" == "ARM64" ]; then
INSTALLER_ARCH="aarch64"
EXPERIMENTAL_INSTALLER_ARCH=aarch64
echo "EXPERIMENTAL_INSTALLER_ARCH=$EXPERIMENTAL_INSTALLER_ARCH" >> "$GITHUB_ENV"
else
echo "::error ::Unsupported RUNNER_ARCH: $RUNNER_ARCH"
exit 1
fi
EXPERIMENTAL_INSTALLER_ARTIFACT="nix-installer-$INSTALLER_ARCH-$INSTALLER_OS"
EXPERIMENTAL_INSTALLER_PATH="$GITHUB_WORKSPACE/$EXPERIMENTAL_INSTALLER_ARTIFACT"
# TODO: This uses the latest release. It should probably be pinned, or dogfood the experimental repo's default branch - similar to the above
gh release download -R "$EXPERIMENTAL_INSTALLER_REPO" -D "$EXPERIMENTAL_INSTALLER_PATH" -p "nix-installer.sh" -p "$EXPERIMENTAL_INSTALLER_ARTIFACT"
chmod +x "$EXPERIMENTAL_INSTALLER_PATH/$EXPERIMENTAL_INSTALLER_ARTIFACT"
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 "$EXPERIMENTAL_INSTALLER_REPO" --workflow ci.yml --branch main --status success --json databaseId --jq ".[0].databaseId")
echo "installer-path=$EXPERIMENTAL_INSTALLER_PATH" >> "$GITHUB_OUTPUT"
EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR="$GITHUB_WORKSPACE/$EXPERIMENTAL_INSTALLER_ARTIFACT"
mkdir -p "$EXPERIMENTAL_INSTALLER_DOWNLOAD_DIR"
echo "::notice Using experimental installer from $EXPERIMENTAL_INSTALLER_REPO (https://github.com/$EXPERIMENTAL_INSTALLER_REPO)"
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"
@@ -94,6 +113,8 @@ runs:
if: ${{ inputs.experimental-installer == 'true' }}
with:
diagnostic-endpoint: ""
local-root: ${{ steps.download-experimental-nix-installer.outputs.installer-path }}
# 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 }}