Files
superpowers/skills/systematic-debugging/find-polluter.sh
dev_Hakaze 54d0efefd7 fix(systematic-debugging): match find -path ./ prefix in find-polluter.sh (#2011)
find . emits ./-prefixed paths, so -path "src/**/*.test.ts" matched
nothing; wc -l on empty stdin then lied as "Found 1". Fixes #2008.

Co-authored-by: arimu1 <19286898+arimu1@users.noreply.github.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-23 10:53:39 -07:00

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#!/usr/bin/env bash
# Bisection script to find which test creates unwanted files/state
# Usage: ./find-polluter.sh <file_or_dir_to_check> <test_pattern>
# Example: ./find-polluter.sh '.git' 'src/**/*.test.ts'
set -e
if [ $# -ne 2 ]; then
echo "Usage: $0 <file_to_check> <test_pattern>"
echo "Example: $0 '.git' 'src/**/*.test.ts'"
exit 1
fi
POLLUTION_CHECK="$1"
TEST_PATTERN="$2"
echo "🔍 Searching for test that creates: $POLLUTION_CHECK"
echo "Test pattern: $TEST_PATTERN"
echo ""
# Get list of test files (find . emits ./-prefixed paths)
TEST_FILES=$(find . -path "./$TEST_PATTERN" | sort)
if [ -z "$TEST_FILES" ]; then
TOTAL=0
else
TOTAL=$(printf '%s\n' "$TEST_FILES" | wc -l | tr -d ' ')
fi
echo "Found $TOTAL test files"
echo ""
COUNT=0
for TEST_FILE in $TEST_FILES; do
COUNT=$((COUNT + 1))
# Skip if pollution already exists
if [ -e "$POLLUTION_CHECK" ]; then
echo "⚠️ Pollution already exists before test $COUNT/$TOTAL"
echo " Skipping: $TEST_FILE"
continue
fi
echo "[$COUNT/$TOTAL] Testing: $TEST_FILE"
# Run the test
npm test "$TEST_FILE" > /dev/null 2>&1 || true
# Check if pollution appeared
if [ -e "$POLLUTION_CHECK" ]; then
echo ""
echo "🎯 FOUND POLLUTER!"
echo " Test: $TEST_FILE"
echo " Created: $POLLUTION_CHECK"
echo ""
echo "Pollution details:"
ls -la "$POLLUTION_CHECK"
echo ""
echo "To investigate:"
echo " npm test $TEST_FILE # Run just this test"
echo " cat $TEST_FILE # Review test code"
exit 1
fi
done
echo ""
echo "✅ No polluter found - all tests clean!"
exit 0