delete all but the latest copies of VS Code on the remote server.

vscode_cleanup.sh

#!/bin/bash

# === VSCode Server Cleanup Script ===
# Description:
#   This script cleans up specified VSCode server directories by deleting all
#   subdirectories except the two most recently modified ones.
#
# Usage:
#   ./vscode_cleanup.sh [--dry-run]
#
# Options:
#   --dry-run    Perform a dry run without deleting any directories.
#
# Logs:
#   Actions are logged to ~/vscode_cleanup.log

# Exit immediately if a command exits with a non-zero status
set -e

# Function to display usage information
usage() {
    echo "Usage: $0 [--dry-run]"
    echo
    echo "Options:"
    echo "  --dry-run    Perform a dry run without deleting any directories."
    exit 1
}

# Parse command-line arguments
dry_run=false
while [[ "$#" -gt 0 ]]; do
    case $1 in
        --dry-run)
            dry_run=true
            shift
            ;;
        -*|--*)
            echo "Unknown option: $1"
            usage
            ;;
        *)
            echo "Unknown argument: $1"
            usage
            ;;
    esac
done

# Notify if dry run mode is enabled
if [ "$dry_run" = true ]; then
    echo "=== Dry Run Mode Enabled: No directories will be deleted ==="
fi

# Array of directories to clean
directories=(
    "$HOME/.vscode-server/bin/"
    "$HOME/.vscode-server/cli/servers/"
)

# Log file path
log_file="$HOME/vscode_cleanup.log"

# Iterate over each target directory
for dir in "${directories[@]}"; do
    # Check if the directory exists
    if [ -d "$dir" ]; then
        echo "Cleaning up directory: $dir" | tee -a "$log_file"

        # Navigate to the directory
        cd "$dir" || { echo "Failed to enter directory: $dir" | tee -a "$log_file"; continue; }

        # Find all non-hidden subdirectories, sorted by modification time (newest first)
        # and store them in an array
        mapfile -t sorted_dirs < <(
            find . -maxdepth 1 -mindepth 1 -type d ! -name ".*" -printf '%T@ %p\n' |
            sort -nr |
            awk '{print $2}'
        )

        # Check if there are more than two subdirectories
        if [ "${#sorted_dirs[@]}" -le 2 ]; then
            echo "No directories to delete in $dir. Only ${#sorted_dirs[@]} subdirectories present." | tee -a "$log_file"
            cd - >/dev/null || exit
            continue
        fi

        # Retain the two most recently modified directories
        latest_dir1="${sorted_dirs[0]}"
        latest_dir2="${sorted_dirs[1]}"
        echo "Retaining the most recent directories:" | tee -a "$log_file"
        echo "1. ${latest_dir1#./}" | tee -a "$log_file"
        echo "2. ${latest_dir2#./}" | tee -a "$log_file"

        # Directories to delete: all except the first two
        dirs_to_delete=("${sorted_dirs[@]:2}")

        if [ "${#dirs_to_delete[@]}" -gt 0 ]; then
            if [ "$dry_run" = true ]; then
                echo "=== Dry Run: The following directories would be deleted ===" | tee -a "$log_file"
                for del_dir in "${dirs_to_delete[@]}"; do
                    # Extract modification time in human-readable format
                    mtime=$(stat -c '%y' "$del_dir" 2>/dev/null)
                    echo "Directory: ${del_dir#./} | mtime: $mtime" | tee -a "$log_file"
                done
            else
                echo "Deleting the following directories:" | tee -a "$log_file"
                for del_dir in "${dirs_to_delete[@]}"; do
                    # Extract modification time in human-readable format
                    mtime=$(stat -c '%y' "$del_dir" 2>/dev/null)
                    echo "Directory: ${del_dir#./} | mtime: $mtime" | tee -a "$log_file"

                    # Delete the directory
                    rm -rf -- "$del_dir"
                done
            fi
        else
            echo "No directories to delete in $dir." | tee -a "$log_file"
        fi

        # Return to the original directory
        cd - >/dev/null || exit
    else
        echo "Directory does not exist: $dir" | tee -a "$log_file"
    fi
done

# === End of VSCode Server Cleanup Script ===