runInLinuxVM: fix createEmptyImage/preVM case
#14638
Workflow file for this run
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| name: "Check whether nix files are parseable v2" | |
| permissions: | |
| pull-requests: read | |
| contents: read | |
| on: | |
| # avoids approving first time contributors | |
| pull_request_target: | |
| branches-ignore: | |
| - 'release-**' | |
| jobs: | |
| tests: | |
| name: nix-files-parseable-check | |
| runs-on: ubuntu-latest | |
| if: "github.repository_owner == 'NixOS' && !contains(github.event.pull_request.title, '[skip treewide]')" | |
| steps: | |
| - name: Get list of changed files from PR | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| gh api \ | |
| repos/NixOS/nixpkgs/pulls/${{github.event.number}}/files --paginate \ | |
| | jq --raw-output '.[] | select(.status != "removed" and (.filename | endswith(".nix"))) | .filename' \ | |
| > "$HOME/changed_files" | |
| if [[ -s "$HOME/changed_files" ]]; then | |
| echo "CHANGED_FILES=$HOME/changed_files" > "$GITHUB_ENV" | |
| fi | |
| - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| # pull_request_target checks out the base branch by default | |
| ref: refs/pull/${{ github.event.pull_request.number }}/merge | |
| if: ${{ env.CHANGED_FILES && env.CHANGED_FILES != '' }} | |
| - uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30 | |
| with: | |
| nix_path: nixpkgs=channel:nixpkgs-unstable | |
| - name: Parse all changed or added nix files | |
| run: | | |
| ret=0 | |
| while IFS= read -r file; do | |
| out="$(nix-instantiate --parse "$file")" || { echo "$out" && ret=1; } | |
| done < "$HOME/changed_files" | |
| exit "$ret" | |
| if: ${{ env.CHANGED_FILES && env.CHANGED_FILES != '' }} |