[pull] master from NixOS:master #2827
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Check changed Nix files with nixf-tidy (experimental) | |
| on: | |
| pull_request_target: | |
| types: [opened, synchronize, reopened, edited] | |
| permissions: | |
| contents: read | |
| jobs: | |
| nixos: | |
| name: exp-nixf-tidy-check | |
| runs-on: ubuntu-latest | |
| if: "!contains(github.event.pull_request.title, '[skip treewide]')" | |
| steps: | |
| - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7 | |
| with: | |
| # pull_request_target checks out the base branch by default | |
| ref: refs/pull/${{ github.event.pull_request.number }}/merge | |
| # Fetches the merge commit and its parents | |
| fetch-depth: 2 | |
| - name: Checking out base branch | |
| run: | | |
| base=$(mktemp -d) | |
| baseRev=$(git rev-parse HEAD^1) | |
| git worktree add "$base" "$baseRev" | |
| echo "baseRev=$baseRev" >> "$GITHUB_ENV" | |
| echo "base=$base" >> "$GITHUB_ENV" | |
| - name: Get Nixpkgs revision for nixf | |
| run: | | |
| # pin to a commit from nixpkgs-unstable to avoid e.g. building nixf | |
| # from staging | |
| # This should not be a URL, because it would allow PRs to run arbitrary code in CI! | |
| rev=$(jq -r .rev ci/pinned-nixpkgs.json) | |
| echo "url=https://github.com/NixOS/nixpkgs/archive/$rev.tar.gz" >> "$GITHUB_ENV" | |
| - uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b # v27 | |
| with: | |
| # explicitly enable sandbox | |
| extra_nix_config: sandbox = true | |
| nix_path: nixpkgs=${{ env.url }} | |
| - name: Install nixf and jq | |
| # provided jq is incompatible with our expression | |
| run: "nix-env -f '<nixpkgs>' -iAP nixf jq" | |
| - name: Check that Nix files pass nixf-tidy | |
| run: | | |
| # Filtering error messages we don't like | |
| nixf_wrapper(){ | |
| nixf-tidy --variable-lookup < "$1" | jq -r ' | |
| [ | |
| "sema-escaping-with" | |
| ] | |
| as $ignored_errors|[.[]|select(.sname as $s|$ignored_errors|index($s)|not)] | |
| ' | |
| } | |
| failedFiles=() | |
| # Don't report errors to file overview | |
| # to avoid duplicates when editing title and description | |
| if [[ "${{ github.event.action }}" == 'edited' ]] && [[ -z "${{ github.event.edited.changes.base }}" ]]; then | |
| DONT_REPORT_ERROR=1 | |
| else | |
| DONT_REPORT_ERROR= | |
| fi | |
| # TODO: Make this more parallel | |
| # Loop through all Nix files touched by the PR | |
| while readarray -d '' -n 2 entry && (( ${#entry[@]} != 0 )); do | |
| type=${entry[0]} | |
| file=${entry[1]} | |
| case $type in | |
| A*) | |
| source="" | |
| dest=$file | |
| ;; | |
| M*) | |
| source=$file | |
| dest=$file | |
| ;; | |
| C*|R*) | |
| source=$file | |
| read -r -d '' dest | |
| ;; | |
| *) | |
| echo "Ignoring file $file with type $type" | |
| continue | |
| esac | |
| if [[ -n "$source" ]] && [[ "$(nixf_wrapper ${{ env.base }}/"$source")" != '[]' ]] 2>/dev/null; then | |
| echo "Ignoring file $file because it doesn't pass nixf-tidy in the base commit" | |
| echo # insert blank line | |
| else | |
| nixf_report="$(nixf_wrapper "$dest")" | |
| if [[ "$nixf_report" != '[]' ]]; then | |
| echo "$dest doesn't pass nixf-tidy. Reported by nixf-tidy:" | |
| errors=$(echo "$nixf_report" | jq -r --arg dest "$dest" ' | |
| def getLCur: "line=" + (.line+1|tostring) + ",col=" + (.column|tostring); | |
| def getRCur: "endLine=" + (.line+1|tostring) + ",endColumn=" + (.column|tostring); | |
| def getRange: "file=\($dest)," + (.lCur|getLCur) + "," + (.rCur|getRCur); | |
| def getBody: . as $top|(.range|getRange) + ",title="+ .sname + "::" + | |
| (.message|sub("{}" ; ($top.args.[]|tostring))); | |
| def getNote: "\n::notice " + (.|getBody); | |
| def getMessage: "::error " + (.|getBody) + (if (.notes|length)>0 then | |
| ([.notes.[]|getNote]|add) else "" end); | |
| .[]|getMessage | |
| ') | |
| if [[ -z "$DONT_REPORT_ERROR" ]]; then | |
| echo "$errors" | |
| else | |
| # just print in plain text | |
| echo "$errors" | sed 's/^:://' | |
| echo # add one empty line | |
| fi | |
| failedFiles+=("$dest") | |
| fi | |
| fi | |
| done < <(git diff -z --name-status ${{ env.baseRev }} -- '*.nix') | |
| if [[ -n "$DONT_REPORT_ERROR" ]]; then | |
| echo "Edited the PR but didn't change the base branch, only the description/title." | |
| echo "Not reporting errors again to avoid duplication." | |
| echo # add one empty line | |
| fi | |
| if (( "${#failedFiles[@]}" > 0 )); then | |
| echo "Some new/changed Nix files don't pass nixf-tidy." | |
| echo "See ${{ github.event.pull_request.html_url }}/files for reported errors." | |
| echo "If you believe this is a false positive, ping @Aleksanaa and @inclyc in this PR." | |
| exit 1 | |
| fi |