Blank check hooks for Claude Code

claude-format-check.sh

#!/bin/bash

# Format check and fix script for Claude
# Fixes files according to CLAUDE.md formatting rules
# Hooks-compatible version - Can be auto-executed on PostToolUse events

# When called via hooks (JSON is passed via stdin)
if [ ! -t 0 ]; then
    # Read JSON from stdin
    json=$(cat)

    # Process only for Edit, Write, or MultiEdit tools
    tool_name=$(echo "$json" | jq -r '.tool_name // empty')
    if [ "$tool_name" != "Edit" ] && [ "$tool_name" != "Write" ] && [ "$tool_name" != "MultiEdit" ]; then
        exit 0
    fi

    # Extract file path
    file_path=$(echo "$json" | jq -r '.tool_input.file_path // empty')
    if [ -z "$file_path" ]; then
        exit 0
    fi

    # Process as single file
    files=("$file_path")
else
    # When called with command line arguments
    if [ $# -eq 0 ]; then
        echo "Usage: $0 <file1> [file2] ..."
        echo "Example: $0 CLAUDE.md docs/*.md"
        exit 1
    fi
    files=("$@")
fi

for file in "${files[@]}"; do
    if [ ! -f "$file" ]; then
        echo "File not found: $file"
        continue
    fi

    echo "Checking: $file"

    # Remove trailing spaces
    sed -i 's/[[:space:]]*$//' "$file"
    echo "  - Removed trailing spaces"

    # Check and add final newline
    if [ $(tail -c 1 "$file" | wc -l) -eq 0 ]; then
        echo >> "$file"
        echo "  - Added final newline"
    else
        echo "  - Final newline OK"
    fi
done

echo "Format check completed."