#!/bin/sh
# Fails if any *.rs file under ROOT/crates has more than 500 lines.
# Files under any target/ directory are ignored. Test files count.
ROOT="${1:-.}"

bad=$(find "$ROOT/crates" -type f -name '*.rs' ! -path '*/target/*' \
    -exec awk 'END { exit !(NR > 500) }' {} \; -print 2>/dev/null)
if [ -n "$bad" ]; then
    echo "$bad" | while read -r f; do
        [ -n "$f" ] && echo "check-lines: $f" >&2
    done
    exit 1
fi
exit 0