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server lint

server lint #893

Workflow file for this run

name: server lint
on:
label:
pull_request:
paths:
- "server/**"
jobs:
hlint:
runs-on: ubuntu-20.04
if: "!contains(github.event.pull_request.labels.*.name, 'ignore-server-hlint-checks') && github.event.label.name != 'ignore-server-hlint-checks'"
env:
working-directory: .
HLINT_BASE_URL: https://github.com/ndmitchell/hlint/releases/download
HLINT_ARCH: x86_64
HLINT_OS: linux
steps:
- uses: actions/checkout@v2
with:
fetch-depth: 0
- name: Download hlint
run: |
HLINT_VERSION="$(jq -r '.hlint' ./server/VERSIONS.json)"
HLINT_URL="${{env.HLINT_BASE_URL}}/v${HLINT_VERSION}/hlint-${HLINT_VERSION}-${{env.HLINT_ARCH}}-${{env.HLINT_OS}}.tar.gz"
echo "Downloading from ${HLINT_URL}"
curl --fail --location --output "./hlint.tar.gz" "${HLINT_URL}"
tar xvf \
hlint.tar.gz \
--directory='.' \
--strip-components=1 \
"hlint-${HLINT_VERSION}/hlint"
- name: Run hlint
shell: bash
run: |
CHANGED_HS_FILES=$(git diff --name-only origin/${{github.base_ref}}...${{github.sha}} -- "./*.hs" | xargs -i -d '\n' sh -c 'ls -d {} 2>/dev/null || true')
echo "$CHANGED_HS_FILES"
JQ_SCRIPT='.[] | "::" + (if (.severity=="Warning" or .severity=="Error") then "error" else "warning" end) + " file=\(.file),line=\(.startLine),col=\(.startColumn)::\(.severity):" + " \(.hint)%0AFound:%0A \(.from | gsub("\n";"%0A "))%0A" + try ("Perhaps:%0A " + (.to | gsub("\n";"%0A ")) + "%0A") catch "" + try (if .note | length > 0 then "Note:%0A " + (.note | join("\n") | gsub("\n";"%0A ")) else "" end) catch ""'
if [[ "$CHANGED_HS_FILES" ]]
then
OUT=$(mktemp)
echo "$CHANGED_HS_FILES" | xargs ${{env.working-directory}}/hlint --no-exit-code --json --hint=./.hlint.yaml | jq -r "$JQ_SCRIPT" | tee $OUT
test -z "$(grep -E '^::error' $OUT)"
fi