oh-my-posh を Homebrew でインストール

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• oh-my-posh

プロジェクトの歴史

The JanDeDobbeleer/oh-my-posh repository was created on 2019-03-13. Its README says the project started as the offspring of oh-my-posh2 for PowerShell, then became a cross-platform, highly customizable and extensible prompt theme engine after four years of work on oh-my-posh.

The documentation explains the design shift from script-per-theme prompt tools to a single shareable configuration file. Prompt output is assembled from blocks and segments, where segments render context such as the current directory, user information, or Git status.

採用の歴史

Oh My Posh's adoption is visible across both source hosting and package managers. GitHub API metadata fetched on 2026-07-01 reported 22,950 stars and 2,749 forks, while Homebrew Formulae reported 61,035 installs in its 365-day analytics window. The input metadata lists Homebrew, Chocolatey, Fedora/dnf, MacPorts, Nix, Scoop, and WinGet packaging.

The project also benefited from the Windows Terminal and PowerShell customization wave. Official installation docs cover Windows via WinGet, manual PowerShell install script, and Chocolatey, macOS via Homebrew and MacPorts, and Linux through separate installation instructions.

使われ方

A user installs the oh-my-posh binary, installs a font capable of rendering prompt icons when needed, and adds shell initialization code that evaluates the prompt renderer. Themes can be selected from bundled configurations or customized through blocks, segments, colors, templates, secondary prompts, right prompts, transient prompts, and tooltips.

Developers use Oh My Posh to make repository state, language runtime versions, cloud context, exit status, execution time, and other environment details visible in the prompt. The project competes in the same mental space as Powerline-style themes and Starship, while keeping its own configuration and segment ecosystem.

パッケージ好きにとっての重要性

Oh My Posh is interesting to package nerds because it is a single CLI that must integrate with many shells and terminals, while also depending on fonts, glyph rendering, and per-platform installation conventions. Its package metadata spans Windows package managers, Unix package managers, and Go source builds.

タイムライン

• 2019-03-13: the JanDeDobbeleer/oh-my-posh GitHub repository was created.
• Version 4: the documentation says existing themes were added to version 4 so users could start without learning all theming internals.
• 2026-07-01: Homebrew Formulae listed stable version 29.19.1 and GitHub API metadata reported 22,950 stars.

Related projects

• The README credits influences and adjacent tools including oh-my-posh2, posh-git, oh-my-zsh, powerline-go, and Starship. Its topic metadata includes PowerShell, Bash, Zsh, Fish, Cmd, Nushell, Nerd Fonts, Powerline, Git, and shell prompt tooling.

ソース

• https://api.github.com/repos/JanDeDobbeleer/oh-my-posh
• https://formulae.brew.sh/api/formula/oh-my-posh.json
• https://formulae.brew.sh/formula/oh-my-posh
• https://github.com/JanDeDobbeleer/oh-my-posh
• https://ohmyposh.dev/docs/
• https://ohmyposh.dev/docs/installation/macos
• https://ohmyposh.dev/docs/installation/windows
• https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/README.md