fwup を Homebrew でインストール

プロジェクトリンク

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コマンドとエイリアス

• fwup
• img2fwup

プロジェクトの歴史

The public repository was created in June 2014. GitHub release metadata shows 0.x releases in 2015, and the 1.x line continued through the mid-2020s.

The README describes a design focused on minimal dependencies, streaming archive processing, careful write ordering, verification, and limited scripting so that failure modes on embedded targets are easier to reason about.

Recent changelog entries show continued work on delta updates, encrypted partitions, block cache sizing, U-Boot environment handling, and package dependencies for static builds.

採用の歴史

fwup is distributed through release artifacts and several package managers. The README names Homebrew for macOS, Linux packages, Chocolatey for Windows, Alpine, Buildroot, Yocto via meta-fwup, and version-manager support through asdf-fwup and mise.

The README points to the Nerves Project as a better-maintained source of examples, which reflects fwup's practical role in the Nerves embedded Elixir ecosystem and embedded Linux image update workflows.

使われ方

Users create firmware archives with a `fwup.conf` file, apply `.fw` archives to devices or image files, generate signing keys, verify or sign archives, and use `img2fwup` to convert raw images to `.fw` files.

The tool is deliberately not an update distribution service. Upstream documentation expects users to deliver `.fw` files through external media, network streams, Ansible, or other deployment tooling.

パッケージ好きにとっての重要性

fwup matters to package maintainers because it packages firmware update policy, payloads, signing, partition manipulation, metadata, progress reporting, and failure behavior into one portable artifact format.

It is also a useful counterexample to application-level update tools: its domain is block devices, boot partitions, sparse writes, and embedded recovery flows, where package-manager semantics meet physical storage constraints.

タイムライン

• 2014: Public GitHub repository created.
• 2015: Early 0.x releases published.
• 2016: README notes Buildroot support included upstream since Buildroot 2016.05.
• 2024: 1.12.0 adds features such as extended MBR partitions and Raspberry Pi tryboot support.
• 2025: 1.13.x and 1.14.x improve delta updates and metadata handling.
• 2026: 1.15.x and 1.16.0 improve encrypted update performance and block-cache sizing.

Related projects

• asdf-fwup and mise support manage fwup versions with `.tool-versions` files.
• meta-fwup supports Yocto integration, and Buildroot includes upstream support.
• The Nerves Project and nerves_system_br are related embedded Linux users and examples.

ソース

• https://api.github.com/repos/fwup-home/fwup
• https://github.com/fwup-home/fwup
• https://github.com/fwup-home/fwup/releases
• https://raw.githubusercontent.com/fwup-home/fwup/main/CHANGELOG.md
• https://raw.githubusercontent.com/fwup-home/fwup/main/README.md