cursor_setup_and_update.sh

#!/bin/bash

set -euo pipefail

# Directory setup
APP_DIR="${HOME}/Applications"
ICON_DIR="${HOME}/.local/share/icons"
DESKTOP_DIR="${HOME}/.local/share/applications"
BIN_DIR="${HOME}/.local/bin"

# File paths
DOWNLOAD_URL="https://downloader.cursor.sh/linux/appImage/x64"
ICON_DOWNLOAD_URL="https://global.discourse-cdn.com/business7/uploads/cursor1/original/2X/a/a4f78589d63edd61a2843306f8e11bad9590f0ca.png"
APPIMAGE_NAME="cursor.AppImage"
APPIMAGE_PATH="${APP_DIR}/${APPIMAGE_NAME}"
ICON_PATH="${ICON_DIR}/cursor-icon.png"
DESKTOP_FILE_PATH="${DESKTOP_DIR}/cursor.desktop"
LAUNCHER_SCRIPT="${BIN_DIR}/cursor"

# Utility functions
log() { printf '%s\n' "$*"; }
error() { printf 'Error: %s\n' "$*" >&2; exit 1; }

# Create necessary directories
mkdir -p "${APP_DIR}" "${ICON_DIR}" "${DESKTOP_DIR}" "${BIN_DIR}"

# Download the latest Cursor AppImage
log "Downloading the latest Cursor AppImage..."
curl -L "${DOWNLOAD_URL}" -o "${APPIMAGE_PATH}" || error "Failed to download Cursor AppImage"
chmod +x "${APPIMAGE_PATH}"
log "Downloaded and made executable: ${APPIMAGE_PATH}"

# Download the Cursor icon if it doesn't exist
if [ ! -f "${ICON_PATH}" ]; then
  curl -sSo "${ICON_PATH}" "${ICON_DOWNLOAD_URL}" || error "Failed to download icon"
  log "Downloaded logo to: ${ICON_PATH}"
fi

# Create or update the .desktop file
cat > "${DESKTOP_FILE_PATH}" << EOF
[Desktop Entry]
Name=Cursor
Exec=${LAUNCHER_SCRIPT} %F
Terminal=false
Type=Application
Icon=${ICON_PATH}
StartupWMClass=Cursor
X-AppImage-Version=latest
Comment=Cursor is an AI-first coding environment.
MimeType=x-scheme-handler/cursor;
Categories=Utility;Development
EOF
chmod +x "${DESKTOP_FILE_PATH}"
log "Updated .desktop file at: ${DESKTOP_FILE_PATH}"

# Create the launcher script
cat > "${LAUNCHER_SCRIPT}" << EOF
#!/bin/bash
nohup ${APPIMAGE_PATH} "\$@" > ~/.cursor_log 2>&1 &
EOF
chmod +x "${LAUNCHER_SCRIPT}"
log "Created launcher script: ${LAUNCHER_SCRIPT}"

# Update the desktop database
update-desktop-database "${DESKTOP_DIR}" || log "Failed to update desktop database. You may need to restart your session."

# Update icon cache
gtk-update-icon-cache -f -t ~/.local/share/icons || log "Failed to update icon cache. You may need to restart your session."

log "Cursor has been successfully installed and updated."
log "To run Cursor, you can now:"
log "1. Look for 'Cursor' in your application launcher"
log "2. Run it from the terminal with: cursor"
log "3. Run it directly with: ${APPIMAGE_PATH}"
log "You can also open files or directories with Cursor by using: cursor <file_or_directory>"
log "You may need to log out and log back in for all changes to take effect."
log "If you encounter any issues, check the ~/.cursor_log file for error messages."