Code support format detection

scripts/format.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+# Format all shell scripts in the Mole project
+#
+# Usage:
+#   ./scripts/format.sh           # Format all scripts
+#   ./scripts/format.sh --check   # Check only, don't modify
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+CHECK_ONLY=false
+
+# Parse arguments
+if [[ "${1:-}" == "--check" ]]; then
+    CHECK_ONLY=true
+elif [[ "${1:-}" == "--help" || "${1:-}" == "-h" ]]; then
+    cat << 'EOF'
+Usage: ./scripts/format.sh [--check]
+
+Format shell scripts using shfmt.
+
+Options:
+  --check    Check formatting without modifying files
+  --help     Show this help
+
+Install: brew install shfmt
+EOF
+    exit 0
+fi
+
+# Check if shfmt is installed
+if ! command -v shfmt > /dev/null 2>&1; then
+    echo "Error: shfmt not installed"
+    echo "Install: brew install shfmt"
+    exit 1
+fi
+
+# Find all shell scripts
+cd "$PROJECT_ROOT"
+
+# shfmt options: -i 4 (4 spaces), -ci (indent switch cases), -sr (space after redirect)
+if [[ "$CHECK_ONLY" == "true" ]]; then
+    echo "Checking formatting..."
+    if shfmt -i 4 -ci -sr -d . > /dev/null 2>&1; then
+        echo "✓ All scripts properly formatted"
+        exit 0
+    else
+        echo "✗ Some scripts need formatting:"
+        shfmt -i 4 -ci -sr -d .
+        echo ""
+        echo "Run './scripts/format.sh' to fix"
+        exit 1
+    fi
+else
+    echo "Formatting scripts..."
+    shfmt -i 4 -ci -sr -w .
+    echo "✓ Done"
+fi

scripts/install-hooks.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+# Install git hooks for Mole project
+#
+# Usage:
+#   ./scripts/install-hooks.sh
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+GREEN='\033[0;32m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+cd "$PROJECT_ROOT"
+
+# Check if this is a git repository
+if [ ! -d ".git" ]; then
+    echo "Error: Not a git repository"
+    exit 1
+fi
+
+echo -e "${BLUE}Installing git hooks...${NC}"
+
+# Install pre-commit hook
+if [ -f ".git/hooks/pre-commit" ]; then
+    echo "Pre-commit hook already exists, creating backup..."
+    mv .git/hooks/pre-commit .git/hooks/pre-commit.backup
+fi
+
+ln -s ../../scripts/pre-commit.sh .git/hooks/pre-commit
+chmod +x .git/hooks/pre-commit
+
+echo -e "${GREEN}✓ Pre-commit hook installed${NC}"
+echo ""
+echo "The hook will:"
+echo "  • Auto-format shell scripts before commit"
+echo "  • Run shellcheck on changed files"
+echo "  • Show warnings but won't block commits"
+echo ""
+echo "To uninstall:"
+echo "  rm .git/hooks/pre-commit"
+echo ""

scripts/pre-commit.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+# Git pre-commit hook for Mole
+# Automatically formats shell scripts before commit
+#
+# Installation:
+#   ln -s ../../scripts/pre-commit.sh .git/hooks/pre-commit
+#   chmod +x .git/hooks/pre-commit
+#
+# Or use the install script:
+#   ./scripts/install-hooks.sh
+
+set -e
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+# Only check shell files that are staged
+STAGED_SH_FILES=$(git diff --cached --name-only --diff-filter=ACMR | grep -E '\.sh$|^mole$' || true)
+
+if [ -z "$STAGED_SH_FILES" ]; then
+    exit 0
+fi
+
+echo -e "${YELLOW}Running pre-commit checks on shell files...${NC}"
+
+# Check if shfmt is installed
+if ! command -v shfmt &> /dev/null; then
+    echo -e "${RED}shfmt is not installed. Install with: brew install shfmt${NC}"
+    exit 1
+fi
+
+# Check if shellcheck is installed
+if ! command -v shellcheck &> /dev/null; then
+    echo -e "${RED}shellcheck is not installed. Install with: brew install shellcheck${NC}"
+    exit 1
+fi
+
+NEEDS_FORMAT=0
+
+# Check formatting
+for file in $STAGED_SH_FILES; do
+    if ! shfmt -i 4 -ci -sr -d "$file" > /dev/null 2>&1; then
+        echo -e "${YELLOW}Formatting $file...${NC}"
+        shfmt -i 4 -ci -sr -w "$file"
+        git add "$file"
+        NEEDS_FORMAT=1
+    fi
+done
+
+# Run shellcheck
+for file in $STAGED_SH_FILES; do
+    if ! shellcheck -S warning "$file" > /dev/null 2>&1; then
+        echo -e "${YELLOW}ShellCheck warnings in $file:${NC}"
+        shellcheck -S warning "$file"
+        echo -e "${YELLOW}Continuing with commit (warnings are non-critical)...${NC}"
+    fi
+done
+
+if [ $NEEDS_FORMAT -eq 1 ]; then
+    echo -e "${GREEN}✓ Files formatted and re-staged${NC}"
+fi
+
+echo -e "${GREEN}✓ Pre-commit checks passed${NC}"
+exit 0