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feat: explanations for cases applied to non-inductive types #7200

feat: explanations for cases applied to non-inductive types

feat: explanations for cases applied to non-inductive types #7200

name: Check for copyright header
on: [pull_request]
jobs:
check-lean-files:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Verify .lean files start with a copyright header.
run: |
FILES=$(find ./src -type d \( -path "./src/lake/examples" -o -path "./src/lake/tests" \) -prune -o -type f -name "*.lean" -exec perl -ne 'BEGIN { $/ = undef; } print "$ARGV\n" if !m{\A/-\nCopyright}; exit;' {} \;)
if [ -n "$FILES" ]; then
echo "Found .lean files which do not have a copyright header:"
echo "$FILES"
exit 1
else
echo "All copyright headers present."
fi