erofs-utils ☆

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Description:
Utilities for Enhanced Read-Only File System

Type: Formula | Latest Version: 1.8.10@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: System utilities

Tags: filesystem compression linux embedded development

Install: brew install erofs-utils

About:
erofs-utils provides a suite of command-line utilities for creating and manipulating EROFS (Enhanced Read-Only File System) images. This toolset enables users to compress and package files into highly efficient, read-only filesystems optimized for performance. It is particularly valuable for system developers and embedded Linux environments where fast boot times and minimal storage overhead are critical.

Key Features:

High-performance decompression with multiple algorithms (LZ4, LZMA, etc.)
Support for creating filesystem images from directory trees
Tools for inspecting and debugging EROFS images
Designed for low-memory and fast-boot scenarios

Use Cases:

Creating compressed root filesystems for embedded Linux devices
Packaging application assets for efficient distribution
Analyzing and modifying existing EROFS images

Alternatives:

squashfs-tools – SquashFS is a widely used alternative for compressed read-only filesystems, but EROFS often provides better performance and lower memory usage on modern kernels.

License: GPL-2.0-or-later

Dependencies: lz4, xz, libfuse, util-linux

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux

Version History

Detected	Change	Commit
Sep 13, 2025 4:10pm	VERSION_BUMP	3b9473aa
Jan 2, 2025 4:57pm	VERSION_BUMP	4bdefb86
Dec 14, 2024 5:44am	VERSION_BUMP	be29e3e9
Dec 14, 2024 4:55am	VERSION_BUMP	db906cdb
Nov 26, 2024 11:59am	VERSION_BUMP	8b9c985a
Sep 22, 2024 7:47pm	VERSION_BUMP	a3c3da5a
Sep 13, 2024 3:18am	VERSION_BUMP	722326a6
Oct 19, 2023 5:19pm	VERSION_BUMP	b5d422c8
Apr 16, 2023 3:32pm	VERSION_BUMP	f8690def