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Fix commit validation workflow #6593

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Fix commit validation workflow #6593

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347e3ca
Only validate commit messages in PRs destined for main
cevich Dec 10, 2025
614666c
Workaround commit title-length check workflow bug
cevich Dec 10, 2025
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19 changes: 18 additions & 1 deletion .github/workflows/pr.yml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
name: validate
on:
pull_request:
branches:
- main

jobs:
commit:
Expand All @@ -14,10 +16,25 @@ jobs:
with:
token: ${{ secrets.GITHUB_TOKEN }}

# Workaround limitation/bug in commit-message-checker-with-regex (action below) where
# it breaks if there are "too many" commits in the PR.
# Ref: https://github.com/tim-actions/commit-message-checker-with-regex/issues/7

- name: Reduce commit data
run: >
echo '${{ steps.get-pr-commits.outputs.commits }}' | \
jq --monochrome-output --compact-output '[.[] | {"sha": .sha, "commit":{ "message": .commit.message }}]' \
> filtered-commits.json

- name: Load filtered commit data into output
id: 'get-pr-commit-messages'
run: >
echo "commit-messages=$(cat filtered-commits.json)" >> $GITHUB_OUTPUT

- if: contains(github.head_ref, 'renovate/') != true
name: check subject line length
uses: tim-actions/commit-message-checker-with-regex@094fc16ff83d04e2ec73edb5eaf6aa267db33791 # v0.3.2
with:
commits: ${{ steps.get-pr-commits.outputs.commits }}
commits: ${{ steps.get-pr-commit-messages.outputs.commit-messages }}
pattern: '^.{0,72}(\n.*)*$'
error: 'Subject too long (max 72)'