claude-force-reinstall

gistfile1.txt

#!/bin/bash
# Force reinstall Claude Code when it's borked
# Run this when: claude command not found, permission errors, or other weirdness

set -e

echo "🔧 Force reinstalling Claude Code..."
echo ""

# Find the npm global prefix (works across different node versions)
NPM_PREFIX=$(npm config get prefix)

# Safety check: ensure npm prefix looks reasonable
if [[ -z "$NPM_PREFIX" ]] || [[ "$NPM_PREFIX" == "/" ]]; then
    echo "❌ Error: npm prefix looks invalid: '$NPM_PREFIX'"
    exit 1
fi

echo "📍 Found npm prefix: $NPM_PREFIX"

# Try npm uninstall first (the safe way)
echo "🗑️  Removing old Claude Code installation..."
if npm uninstall -g @anthropic-ai/claude-code 2>/dev/null; then
    echo "   ✓ Uninstalled via npm"
else
    echo "   ℹ️  npm uninstall failed (package may be corrupted)"

    # Only remove if the path contains expected structure
    CLAUDE_DIR="$NPM_PREFIX/lib/node_modules/@anthropic-ai"
    if [[ -d "$CLAUDE_DIR" ]] && [[ "$CLAUDE_DIR" == *"node_modules/@anthropic-ai"* ]]; then
        echo "   ✓ Cleaning up manually (validated path)"
        npm exec -- npx rimraf "$CLAUDE_DIR" 2>/dev/null || {
            # Fallback to manual cleanup only if rimraf not available
            [ -d "$CLAUDE_DIR/claude-code" ] && mv "$CLAUDE_DIR/claude-code" "$CLAUDE_DIR/.claude-code-backup-$$"
            [ -d "$CLAUDE_DIR/.claude-code-"* ] && find "$CLAUDE_DIR" -maxdepth 1 -name '.claude-code-*' -type d -exec rm -rf {} +
            [ -d "$CLAUDE_DIR/.claude-code-backup-$$" ] && rm -rf "$CLAUDE_DIR/.claude-code-backup-$$"
        }
    fi
fi

# Clean npm cache
echo "🧹 Cleaning npm cache..."
npm cache clean --force 2>/dev/null || true

# Fresh install
echo "📦 Installing fresh Claude Code..."
npm install -g @anthropic-ai/claude-code

echo ""
echo "✅ Verification:"
which claude
claude --version

echo ""
echo "🎉 Claude Code reinstalled successfully!"