使用 Homebrew, apt, Nix 安装 unyaffs

项目链接

• 主页

命令和别名

• unyaffs

项目历史

The available upstream README says unyaffs was based on work from the YAFFS project, that the original implementation was by Kai Wei and hosted on Google Code, and that Bernhard Ehlers started a fork after the original project became inactive. A public mirror records the project as an extraction tool for YAFFS2 images created by mkyaffs2image.

The source-level history in the public mirror records v0.8 in August 2011 and v0.9 in September 2011. The README presents it as a conventional C utility for Unix-like systems with a make-based build.

采用历史

Homebrew, Debian, Nix, and Ubuntu packaging in the supplied input show that unyaffs stayed available mostly through distribution package sets. That is typical for firmware-forensics utilities: small upstream, occasional packaging, and long shelf life because old image formats continue to appear.

使用方式

The README documents extraction of all files from a YAFFS2 filesystem image, optional layout selection, listing without extraction, verbose listings, standard-input support, and restoration of permissions, times, ownership, links, and special files where the host OS permits it.

为什么软件包爱好者会关心

The package is notable in a narrow niche: unpacking historical Android, embedded Linux, and NAND-flash images where YAFFS2 appears. Package maintainers care because it provides a single-purpose CLI that can be installed from general-purpose package managers instead of being recovered from archived Google Code downloads.

时间线

• 2008: Source comments in the mirrored code record an initial version upload to Google Code.
• 2011: v0.8 and v0.9 tags appear in the public mirror.
• 2011: Public mirror repository created.
• 2026: Homebrew input still lists unyaffs as packaged.

Related projects

• The README ties unyaffs to the YAFFS project and mkyaffs2image. Other tools in the same niche include yaffs2utils and YAFFS parsers, but those are outside the official unyaffs sources used here.

来源

• https://github.com/whataday/unyaffs
• https://raw.githubusercontent.com/whataday/unyaffs/master/README
• https://raw.githubusercontent.com/whataday/unyaffs/master/unyaffs.c
• source_facts.package-manager