# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
name: Link Checker
on:
pull_request:
jobs:
link-check:
runs-on: ubuntu-latest
steps:
- name: Checkout Repository
uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
- name: Restore lychee cache
uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
with:
path: .lycheecache
key: cache-lychee-${{ github.sha }}
restore-keys: cache-lychee-
- name: Link Checker
uses: lycheeverse/lychee-action@a8c4c7cb88f0c7386610c35eb25108e448569cb0 # v2
with:
args: >
--verbose
--no-progress
--cache
--max-cache-age 1d
README.md
docs/
output: /tmp/foo.txt
fail: true
jobSummary: true
debug: true
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
# This step only runs if the 'lychee_check' step fails, ensuring the
# context note only appears when the developer needs to troubleshoot.
- name: Display Link Context Note on Failure
if: ${{ failure() }}
run: |
echo "## Link Resolution Note" >> $GITHUB_STEP_SUMMARY
echo "Local links and directory changes work differently on GitHub than on the docsite." >> $GITHUB_STEP_SUMMARY
echo "You must ensure fixes pass the **GitHub check** and also work with **\`hugo server\`**." >> $GITHUB_STEP_SUMMARY
echo "---" >> $GITHUB_STEP_SUMMARY