# vtclock を Homebrew でインストール

vtclock のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:vtclock
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install vtclock
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:vtclock
- **パッケージマネージャ:** Homebrew
- **パッケージマネージャページ:** <https://formulae.brew.sh/formula/vtclock>
- **バージョン:** 0.99.1
- **ソース概要:** Text-mode fullscreen digital clock
- **ホームページ:** <https://github.com/dse/vtclock>
- **リポジトリ:** <https://github.com/dse/vtclock>
- **ライセンス:** GPL-2.0-or-later
- **ソースアーカイブ:** <https://github.com/dse/vtclock/archive/refs/tags/v0.99.1.tar.gz>
- **生成日時:** 2026-08-04T22:13:35+00:00

## 実行可能ファイル

- vtclock (cli)
- vtclock (エイリアス)

## ビルド依存関係

- pkgconf

## macOS 提供ライブラリ

- ncurses

## インストール挙動

- post-install フック: 未定義
- Bottle: 利用可能 対象 arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, monterey, sonoma, ventura, x86_64_linux

## バージョンと鮮度

- ページ生成日: 2026-08-04
- マネージャ版: 0.99.1
- ローカルデータ: OK
- 上流リポジトリ: https://github.com/dse/vtclock
- 検出された最新: v0.99.1 (最新)
- 情報: No package-manager update timestamp was available.
## プロジェクトの歴史と使われ方

vtclock is a text-terminal program that displays a large fullscreen digital clock. It is a tiny terminal utility in the tradition of making otherwise idle character-cell terminals visibly useful.

### プロジェクトの歴史

The project page says vtclock began when students in the ACM Lab and Student Chapter Office at the University of Louisville wanted to make use of a spare DEC VT220 terminal. Rob Hoeft is credited as the original author, with dse later maintaining the GitHub version and adding improvements.

### 使われ方

The practical use case is simple: run it in a terminal and leave the terminal acting as a clock. The upstream page shows a VT220 being used as a wall clock, and the README notes display options plus future ideas such as figlet fonts, transitions, custom date formats, analog mode, and multi-terminal mode.

### パッケージ好きにとっての重要性

vtclock is package-nerd charming because it preserves a very specific terminal-era utility: a fullscreen clock for real or emulated text terminals. Its value is less broad adoption than the continuity of small ncurses-like tools that make Unix terminals do one visible job.

### タイムライン

- 2004-02: Early news entries added new fonts, blinking colons, and display-refresh behavior.
- 2005-02-20: vtclock gained the ability to display one line at a time from a file or command.
- 2016-12-28: A later release added resize handling, figlet support, option fixes, and build fixes.

### ソース

- GitHub README: https://github.com/dse/vtclock
- Project history page: https://webonastick.com/vtclock/


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals

## ソースデータベース詳細

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** vtclock
- **Version Scheme:** 1
- **Revision:** 0
- **Head Version:** HEAD
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** head, stable


## 関連リンク

- [Source-control packages](https://pkg.so/ja/source-control-tools/) - Belongs to a source-control command family.
- [Terminal utility packages](https://pkg.so/ja/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://pkg.so/ja/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Networking and protocol packages](https://pkg.so/ja/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [pkgconf](https://pkg.so/ja/brew/pkgconf/) - Build dependency declared by Homebrew.
- [tty-clock](https://pkg.so/ja/brew/tty-clock/) - Shares pkgdb curated category or tags: cli, clock, productivity, terminal.
- [clock-rs](https://pkg.so/ja/brew/clock-rs/) - Shares pkgdb curated category or tags: cli, clock, productivity, terminal.
- [arttime](https://pkg.so/ja/brew/arttime/) - Shares pkgdb curated category or tags: cli, clock, productivity, terminal.
- [tmux](https://pkg.so/ja/brew/tmux/) - Shares pkgdb curated category or tags: cli, productivity, terminal.
- [vim](https://pkg.so/ja/brew/vim/) - Shares pkgdb curated category or tags: cli, productivity, terminal.
- [yazi](https://pkg.so/ja/brew/yazi/) - Shares pkgdb curated category or tags: cli, productivity, terminal.
- [midnight-commander](https://pkg.so/ja/brew/midnight-commander/) - Shares pkgdb curated category or tags: cli, productivity, terminal.
- [mutt](https://pkg.so/ja/brew/mutt/) - Shares pkgdb curated category or tags: cli, productivity, terminal.

## Combined YAML source

View the package source record on GitHub. [combined/vtclock.yml](https://github.com/mxcl/pkgdb/blob/main/combined/vtclock.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- package-page enrichment
- curated package history
- package version freshness
- pkgdb category and tag curation
- package relationship graph
- cross-ecosystem install command graph