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CCM-15317: Adding New PR Enforcement Action #183

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CCM-15317: Adding New PR Enforcement Action #183

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CCM-15317: Adding New PR Enforcement Action
damientobin1 Apr 16, 2026
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CCM-15317: Adding New PR Enforcement Action
damientobin1 Apr 16, 2026
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CCM-15317: Adding New PR Enforcement Action
damientobin1 Apr 16, 2026
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CCM-15317: Adding New PR Enforcement Action
damientobin1 Apr 16, 2026
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51 changes: 51 additions & 0 deletions .github/actions/check-pr-title-format/action.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,51 @@
name: Validate PR title
description: Validate pull request title against a regex
inputs:
title:
description: Pull request title
required: true
pattern:
description: Regex pattern the PR title must match
required: true
error_message:
description: Custom error message
required: false
default: Pull request title does not match required format
runs:
using: composite
steps:
- name: Validate PR title
shell: bash
env:
TITLE: ${{ inputs.title }}
PATTERN: ${{ inputs.pattern }}
MESSAGE: ${{ inputs.error_message }}
run: |
title="$TITLE"
pattern="$PATTERN"
message="$MESSAGE"

echo "PR title: $title"
echo "Required pattern: $pattern"

if [ -z "$pattern" ]; then
echo "::error::Input 'pattern' must be a non-empty regular expression"
exit 1
fi
if printf '%s\n' "$title" | grep -Eq -- "$pattern"; then
echo "PR title is valid"
else
status=$?
case "$status" in
1)
echo "::error::$message"
;;
Comment on lines +40 to +42
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Copilot AI Apr 16, 2026

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The workflow-command annotation echo "::error::$message" uses a free-form message without escaping. If the message contains characters like %, carriage returns, or newlines, it can break the annotation formatting and (in worst cases) enable workflow command injection. Escape the message per GitHub’s workflow command rules (e.g., replace %, \r, \n) or avoid passing unescaped user-provided text into ::error:: commands.

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2)
echo "::error::Input 'pattern' is not a valid regular expression: $pattern"
;;
*)
echo "::error::Unexpected error while validating PR title"
;;
esac
exit 1
fi