Omamail: Omarchy OS Theme Integration for Mailspring

Automatic inheritance of active Omarchy themes (colors, dark/light mode, and accents) in the Mailspring email client with real-time hot-reloading.

Features

• Automatic Theme Inheritance: Seamlessly tracks your active Omarchy system theme (Nord, Catppuccin, Tokyo Night, Gruvbox, Catppuccin Latte, etc.).
• Real-Time Hot-Reloading: Automatically updates running Mailspring windows when switching themes via omarchy theme set <theme> without requiring an application restart.
• Smart Light/Dark Mode Adaptation: Dynamically adjusts icon filters, headers, and contrasts according to the theme palette mode.
• Zero-Trace Uninstall: Leaves no lingering files, hooks, or config modifications when uninstalled.

Installation

Run the installer script:

./install.sh

Uninstallation

To completely remove all integration files, templates, hooks, plugins, and revert Mailspring configuration:

./uninstall.sh

Directory Structure

• templates/ — Omarchy theme template (mailspring-ui-variables.less.tpl)
• theme/ — Mailspring theme package (omarchy)
• plugin/ — Mailspring hot-reload plugin (omarchy-sync)
• hooks/ — Omarchy theme-set automation hook
• install.sh — Automated installer
• uninstall.sh — Complete cleanup and removal script